Heat exchange device for powder and granular material, and method for its manufacture

FIELD: heating.

SUBSTANCE: heat exchange device for powder and granular material in compliance with this invention is configured so that at least one of multiple heat exchangers, which shall be located on a shaft, is made as a strong hollow disc-shaped heat exchanger, in which a cut-out cavity is directed from circumferential boundary of the heat exchanger to its centre. Plate-like surfaces spreading from one side edge of the cut-out cavity to the other side edge of the next cut-out cavity are formed into a wedge-shaped plate-like surface. A projection that smoothly projects in a horizontal direction if to look from side is made in the central heat exchanger part; and an opening is made at the projection top, and the heat exchanger is located on the shaft by means of shaft insertion into the opening.

EFFECT: improving operating efficiency of a device and simplifying an assembly process.

6 cl, 15 dwg

 

The technical FIELD

The present invention relates to a heat exchange device for drying, heating or cooling of powder and granular materials and to a method of manufacturing a heat-exchange device.

PRIOR art

Mixing dryer with an indirect type of heat exchange and grooves known as a heat exchanger for drying, heating or cooling various powder and granular materials.

The device disclosed, for example, in Japanese patent application, publication number S48-44432 (hereinafter, Patent literature 1) is known as such a device. In the device described in Patent literature 1, the shaft having a lot of heat exchanger located at set intervals, mounted rotatably in a long horizontal case. Heat exchange medium is supplied to the heat exchangers through the shaft, and the rotating heat exchangers inside the case. This device is designed so that the powder and granular material is dried (heated, cooled through indirect heat transfer from the shaft and heat exchangers.

Each of the heat exchangers disclosed in Patent literature 1 has a structure shown in Fig. 11. The heat exchanger is wedge-shaped hollow rotating body 50. Wedge-shaped hollow rotating body 50 is formed is by connecting with each other the two parts of the fan-shaped sheet of material 51, 51 their ends on the one hand, at the same time separating the ends of the fan-shaped sheet of material 51, 51 on the other side to block their periphery using sheet materials 52, 53. Thus, a hollow body of rotation 50 is shaped in the form of a wedge, in which the portion 54 of the front end on the front end in the direction of rotation forms a line, while the portion 55 of the rear end on the rear end in the direction of rotation forms a surface. In the device described in Patent literature 1, there are two wedge-shaped hollow rotating body 50 as a pair. In other words, these two wedge-shaped hollow rotating body 50 are located in symmetrical positions on the shaft 60 with predetermined gaps A, A between them, as shown in Fig. 12. Then a multitude of pairs of two wedge-shaped rotating body 50 have with predetermined intervals in the direction of the axis of the shaft 60.

Mixing dryer with an indirect type of heat exchange with grooves disclosed in patent literature 1 has the following distinctive features:

(1) a Small installation area and small size.

(2) a Large heat transfer coefficient and high thermal efficiency.

(3) self-cleaning Effect achieved due to the wedge-shaped hollow rotating bodies.

(4) the Temperature of the object to be processed and the processing time can be easily controlled.

(5) Can also about the de signed to a powder and granular material with high moisture content.

(6) Excellent piston fluidity (perenesennosti) the object to be processed.

The device described in Patent literature 1, however, has the following problems:

(a) the Processed object sticks/collects in the corners, except for the diagonal leaf surface of the wedge of the heat exchanger, in particular in the area where it joins the shaft and a wedge-shaped heat exchanger. Adhesion/accumulation of the processed object reduces heat transfer area of the heat exchanger, reducing thermal efficiency of the device. In addition, adherent/skaplivayas the object to be processed with the passage of time, returns from the heat exchanger, causing in some cases or in accordance with the history of heating, different types of merged objects, stir inside the object to be processed.

(b) the Production shaft, provided with a wedge-shaped hollow rotating bodies, requires a tremendous amount of time. In other words, each wedge-shaped hollow rotating body 50 is made by positioning the two parts of the fan-shaped sheet of material 51, 51, sheet material 52 in the form of an isosceles triangle, and a sheet material 53 in the form of a trapezoid, as shown in Fig. 13, and welding along the entire edge of the adjacent parts between these materials. Therefore, when forming the real the heat exchanger are many stages only in the welding process, and automation of the welding action is complex. In addition, when fixing each of the obtained heat exchangers on the shaft 60, the sheet material 61 made with cut out holes, which have almost the same shape as the portion (hole) of each heat exchanger, which is in contact with the shaft 60, install (weld) on the entire outer side surface of the shaft 60, and thereafter the sheet material 61, the shaft 60 and part of the heat exchanger adjacent to the sheet material 61 and the shaft 60, must be welded across the border surrounding areas. In addition, when such welding is necessary to change the methods of welding of each layer. For this reason, the problem of the device described in Patent literature 1 is that it requires a huge amount of time to create heat exchangers.

There is also a device in which the hollow disks simply attached to the shaft as heat exchangers. The exchanger with such a configuration, however, cannot provide a piston fluidity of the object to be processed, which is a distinctive feature of the wedge-shaped hollow rotating body described in Patent literature 1. This is due to the fact that the piston flowability of the processed object can be achieved for the first time by permission of the processed object regularly is prohodit through the gaps A, A two fan-shaped hollow rotating bodies 50, 50, attached to the shaft 60. Here the piston flowability is an important factor for the realization of the effect of first-in - first-out" for the object to be processed, as well as to achieve the length of stay, history of heating, the reaction time and the like to maintain all of the particles of the powder/granular object monotonous. Piston flowability is an important attribute of the heat exchange device to maintain uniformity of quality of the processed object.

Gaps A, A, is described in Patent literature 1 is used to transfer a layer of powder and granular material, which is formed in the short side (horse side) inside the device, from the side of the feed holes of the original substance to the output side of the product, by the way, when each of the wedge-shaped hollow rotating body 50, which rotates due to the rotation of the shaft, cut the layer of powder and granular material. At this point, the wedge-shaped hollow rotating body 50 by itself doesn't have the buoyancy force, which has the screw. For this reason, the powder and granular material is cut regularly, namely twice per rotation, in order to be moved through the gap A, A, just using the pressure of the powder and granular mater is Ala. Therefore this device rarely come back mixing or short passage of powder and granular material, so that the effect of "first in - first out" can be provided, and the piston flowability can be implemented. On the other hand, in cases of simple hollow rotating disc-shaped bodies, the object to be processed is moved from the gap between the body and each body rotation to the underside. As a result, a reverse mixing or effect a short passage occurs when part of the layer of powder and granular material near the shaft remains in this position, while part of the same layer near the body moves quickly. Thus, in the case of such a simple hollow rotating bodies in the form of discs piston flowability cannot be implemented.

DISCLOSURE of INVENTIONS

The present invention was conceived in view of the above problems of the prior art. The present invention is the provision of a heat exchanging device for powder and granular material, which is capable of holding the object to be processed from clumping/accumulation, at the same time maintaining high thermal efficiency, high flowability and other advantages of the traditional devices that use a wedge-shaped hollow rotating body, and reduces the giving the number of man-hours of production process (time). The present invention also aims to provide a production method of such a heat exchange device.

To achieve the objectives described above, the heat exchanging device for powder and granular material in accordance with the present invention is a heat exchanging device for powder and granular material, which is configured in such a way that the shaft is supported rotatably inside a horizontally elongated housing, many heat exchangers are located on the shaft with predetermined intervals, the heat exchange medium is supplied to the heat exchangers through the shaft, and the rotating heat exchangers inside the housing, in which at least one of the multiple heat exchangers formed as essentially hollow disc-shaped heat exchanger, which is provided by the cut out recess directed away from the circumferential edge of the heat exchanger to its centre; plate surface extending from one side edge of the cutout recess to the other lateral edge of the next cut grooves, formed in the shape of a wedge-shaped plate surface by gradually increasing the distance between the plate surfaces; ledge which smoothly protrudes in the horizontal direction when viewed from the side, is formed in the Central part of those which of labmedica; and a hole formed on the top of the ledge, and heat exchangers are located on the shaft by inserting the shaft into the hole on the merits of the hollow disc-shaped heat exchanger having a wedge-shaped plate surface.

In accordance with the present invention it is preferable to cut the recesses of the heat exchangers was given essentially trapezoidal shape. Also preferably, the cutout recess of the heat exchanger were presented in two pieces in symmetrical positions on the ring edge, and to the plate surface between the two cut grooves were made in the form of a wedge-shaped flat surfaces.

To achieve the objective described above, a method of manufacturing a heat exchanging device for powder and granular material in accordance with the present invention is a method having: a step of stamping parts, which are obtained by dividing essentially of a hollow disc-shaped heat exchanger having a wedge-shaped plate surface into two parts in the middle in the thickness direction of the heat exchanger used in the device according to the present invention; and a step of joining two stamped parts for adjacency to each other in the direction in which their peripheral edge areas are adjacent to each other, obrazovawe is essentially a hollow disc-shaped heat exchanger, having a wedge-shaped plate surface, by welding the two parts on the peripheral edge areas adjacent to each other, and fixing the heat exchangers on the shaft by welding heat exchangers to the shaft at a peripheral edge of the hole made at the top of the protruding part of the heat exchanger.

In accordance with the present invention it is preferable that the step of fabrication of the heat exchanger and the fixation of the heat exchanger on the shaft included the step of joining two stamped parts adjacent to each other in the direction in which their peripheral edge areas are adjacent to each other, and welding the two parts on the outer edge areas adjacent to each other, the step of inserting the shaft into the hole on the merits of the hollow disc-shaped heat exchanger having a wedge-shaped plate surface, produced by welding, and the location of many existing heat exchangers on the shaft, and the step of welding heat exchangers located to the shaft at a peripheral edge of a hole formed on the top ledge of each of the heat exchangers. Alternatively, in accordance with the present invention, preferably, the step of manufacturing a heat exchanger and fixation of the heat exchanger on the shaft included stage sequential insertion of the shaft into the holes of the pair of due stanova who's details so to have many pairs of stamped parts on the shaft, and the step of the successive welding parts located on the outer edge areas adjacent to each other, and welding the peripheral edge of the holes formed on the top of the ledge to the shaft.

In accordance with a heat exchange device for a powder and granular material corresponding to the present invention, each of the heat exchangers located on the shaft, have carved a recess directed away from the circumferential boundary of the heat exchanger to its center, and a flat surface extending from one side edge of the cutout grooves, to the other lateral edge of the next cut grooves, formed in the wedge-shaped plate surface, where the width of the flat surfaces is gradually increased. Therefore, in accordance with this heat exchange device, the gap between the wedge-shaped plate surfaces of two adjacent heat exchangers, gradually tapering from one side of the heat exchanger to the other lateral edge, and a heat exchanger cuts the layer of the object to be processed while rotating the shaft. As a result, the compressive force may be gradually act on the layer of the object to be processed in a narrowing gap between the wedge-shaped plate surface, and the compressive force can point the material to escape through the cut-out recesses. Thus, the layer of powder and granular material, which is processed by the object, may be repeatedly compressed and expanded by rotation of the shaft, allowing the powder and granular material can be efficiently heated up or cooled down. In other words, the compression of the layer of powder and granular material between the gradually tapering wedge-shaped plate surfaces means the internal compression of the air layer. Thus, it can be realized the effect of reducing thermal insulation and improved heat transfer. On the other hand, the layer of powder and granular material is released from compression and extends into the cut out recess located on the target boundary of the wedge-shaped plane surfaces, and thus, the vaporized materials, etc. contained in the gap between the powder and granular material can be ejected from the system to the outside. Such a device according to the present invention can provide the effect of repeated compression and expansion of the layer of powder and granular material to achieve high thermal efficiency. Each of the heat exchangers used in the present invention, have carved a recess directed away from the circumferential boundary of the heat exchanger to its center, as described above. Therefore, th is the exchange device can ensure the passage of the object to be processed from the cutout recess of the heat exchanger, providing a piston flowability of the processed object.

In addition, in accordance with a heat exchange device for a powder and granular material corresponding to the present invention, the protrusion, which smoothly protrudes in the horizontal direction when viewed from the side, is formed in the Central portion of each heat exchanger, the top protrusion is formed in the hole, and the heat exchanger and the shaft are fixed by inserting the shaft into the hole. In accordance with a heat exchange device section in which the heat exchanger and shaft are joined, forms a smooth curved surface, which prevents adhesion/accumulation of the processed object. As a result, the heat exchanger and the shaft can provide a wide heat transfer area for the realization of devices with high thermal efficiency. In addition, to prevent the adhesion or accumulation of the processed object, and therefore it is not dropping and mixing it in the merged object, i.e. can be implemented highly reliable operation of the heat transfer to the powder and granular material.

In the heat exchange device for a powder and granular material in accordance with the present invention, the full configuration of each heat exchanger are presented in the form proceduresthe hollow disk. This allowed the heat exchange device to significantly reduce the number of man-hours of production process (time) in order to achieve a simple automation of the welding process.

In accordance with the production method of the above-described heat exchanging device for powder and granular material in accordance with the present invention, in the manufacture of each of the heat exchanger, it is only necessary to perform only one operation welding at their outer edge area where the two parts pressed parts adjacent to each other (there is only one line of weld). Thus, the welding process can be performed in a short time, which facilitates the automation of the welding process. When attaching the heat exchangers on the shaft, it is only necessary to insert the shaft into the hole formed in the heat exchanger, and to weld the heat exchanger to the shaft on the outer edge of the hole. This leads to a simple welding process and a significant reduction in welding time. In this case, also, as it is formed only one line welding, automation can be implemented incredibly easy.

BRIEF DESCRIPTION of DRAWINGS

Fig. 1 is a side view in section, showing part of a heat exchanging device for powder and granular material in accordance with the present invention;

Figure 2 is an enlarged view in cross-section, taken along the line x-X of Fig. 1;

In Fig. 3 shows the heat exchanger, where (a) is a top view, (b) is a front view, and (c) lateral view;

Fig. 4 is a view of the heat exchanger in the future;

Fig. 5 is a view in vertical section of the heat exchanger located on the shaft;

Fig. 6 is a perspective view showing the pressed parts used for the manufacture of the heat exchanger;

Fig. 7 is a side view cross-section showing the stamped parts used for the manufacture of the heat exchanger;

Fig. 8 is a side view cross-section showing how the stamped parts welded together;

Fig. 9 is a side view cross-section of the heat exchanger, showing how the heat exchanger are welded to the shaft;

Fig. 10 is a top view showing how the shaft with a heat exchanger located inside the enclosure;

Fig. 11 is a perspective view of a traditional heat exchanger;

Fig. 12 is a front view of the conventional heat exchanger, located on the shaft; and

Fig. 13 is an enlarged perspective view of components of a traditional heat exchanger.

The BEST OPTION of carrying out the INVENTION

Embodiments of the above-mentioned heat exchanging device for powder and granulares the material in accordance with the present invention and a method of manufacturing such a heat exchange device will be now described in detail with respect to the drawings.

In Fig. 1 and 2 the reference position 1 corresponds to the case of heat-exchange device that is relatively horizontally elongated tank. This case 1 if necessary, slightly tilted by means of the supports 2. As shown in Fig. 2, the cross section of the housing 1 is made in the shape of a bowl formed by two circular arcs. In the Central lower part of the Cup protruding body 3 formed in a convex shape by a circle, passes in the direction from front to back of the housing 1. Heat exchange jacket 4 is provided on almost the entire surface, including the bottom and side surfaces of the housing 1.

As shown in Fig. 1, the supply pipe 5 and the discharge pipe 6 for supplying and discharging the heat exchange medium that is attached to the heat exchange jacket 4. In the rear end of the lower housing 1 provided with the discharge outlet 7 for removal of the object to be processed, and the cover 8 is attached to the upper surface of the housing 1 by means of bolts or similar means. The front end part of the casing 8 provided with an inlet opening for loading the object to be processed, the front part and the rear part of the casing 8 intake ports 10, 11 for the carrier gas, respectively, and the Central part of the casing 8 outlet 12 for the carrier gas.

Two hollow shaft 13, 13 are parallel in the direction of the front-back the housing 1. These two hollow shaft 13, 13 are supported by the bearings 14, 14 and 15, 15 provided in the front and rear parts of the housing 1, to be able to rotate freely. The front part of the shafts 13, 13 is provided with gear wheels 16, 16, respectively. Gear wheels 16, 16 are coupling with each other, so that the shafts 13, 13 are rotated in directions opposite to each other. One of the shafts 13 is supplied with a chain wheel 17. The rotation of the motor (not shown) is transmitted to the shafts 13, 13 via a chain (not shown), coupled with this sprocket 17.

Feed tubes 19, 19 for supplying a heat exchange medium are connected, respectively, with the front ends of the shafts 13, 13 by rotating joints 18, 18. Similarly, the exhaust pipes 21, 21 for the manufacture of heat-exchanging medium are connected, respectively, with the rear ends of the shafts 13, 13 by rotating units 20, 20. As shown in Fig. 2, each of the shafts 13 is provided by a partition 22, 22, dividing the inner space of the shaft 13 into two parts in the longitudinal direction. The inner space of the shaft 13 is divided by a partition 22 in the primary chamber 23 and the secondary chamber 24. Primary chamber 23 communicates with the front part of the shaft 13, while the secondary chamber 24 communicates with the rear part of the shaft 13. In this state, although not shown in detail, the above-described configuration can be realized pic what edstam closing the front end of the secondary chamber 24 sickle-shaped end plate in the front part of the shaft 13, and closing the rear end of the primary chamber 23 sickle-shaped end plate at the rear of the shaft 13.

In addition, each of the shafts 13, 13 with predetermined intervals are many heat exchangers 30, 30, ... so that one of the heat exchangers 30, 30 hits in (overlaps) another, as shown in Fig. 2 and 10.

As shown in Fig. 3 and 4, each heat exchanger 30 has, in symmetrical positions, almost two trapezoid cut recesses 31, 31 directed toward the center of the heat exchanger 30 from its circumferential edge. A flat surface extending from one side edge 31a of one of the cut grooves 31 to the other lateral edge 31b of the other carved recesses 31 are formed in a wedge-shaped flat surface 32, 32 through the gradual increase of the distance between the plate surfaces. The Central part of the heat exchanger 30 has projections 33, 33 which continuously act in the horizontal direction when viewed from the side. The tops of the projections 33, 33 are formed in the holes 34, 34. The entire heat exchanger 30 has the form mainly of a hollow disk.

Note that the number of the cut grooves 31 formed in the heat exchanger 30 is not limited to two. In other words, each carved recess 31 can have an open area that is large enough to make p khojdenie object to be processed. More specifically, square cut grooves 31 (the region with the dashed diagonal lines in Fig. 3(b)) can be essentially equal to the squares of the two fan-shaped gaps A, A, which is formed between the two wedge-shaped hollow rotating bodies 50, 50, is attached to one perpendicular to the surface of the shaft 60 in the conventional technology shown in Fig. 12. Therefore, the number of the cut grooves 31 may be one, three or more. However, when there are two or more cut-out recesses 31, it is preferable that the cutout recess 31 located at equal intervals in the circumferential direction, and the flat surface of the cut grooves 31 formed in a wedge-shaped flat surface 32, as described above. Also preferably, the inclined surface of the wedge-shaped flat surfaces 32 formed in the heat exchanger 30, were bilateral symmetrical to each other. The angle at the vertex formed by the wedge-shaped plate surfaces 32, 32 (shown as α in Fig. 3(c)), is preferably in the range from 4 to 8 degrees.

Many heat exchangers 30 in the above-described configuration are arranged on each of the shafts 13 with equal intervals so that the cutout recesses 31 are aligned in one direction. The gaps between the heat exchangers can be provided on what redstem connection tops of the projections 33, 33 of the adjacent heat exchangers 30, 30 in contact with each other when the shaft 13 is inserted into the hole 34 of the respective heat exchangers 30. Accommodation independent of the sleeves between adjacent heat exchangers 30, 30 can provide the formation of gaps between the heat exchangers.

When there are two carved recesses 31 in each heat exchanger 30, the two shafts 13, 13 are placed in the housing 1 in such a way that the cutout recesses 31, 31 of the heat exchanger 30 are shifted by 90 degrees, and the heat exchanger 30 hits (overrides) to another, as shown in figure 2. Note that the number of shafts 13 are not limited to two, and may be, for example, is four or more, or even one (uniaxial). Also the heat exchangers located on the shafts 13, can be the above-mentioned solid hollow shaped discs heat exchangers 30 with a wedge-shaped plate surfaces. The heat exchangers may properly be combined with other heat exchangers having various designs, in accordance with the quality of the object to be processed, to obtain a structure in which a solid hollow-shaped disks of the heat exchangers 30 with a wedge-shaped plate surfaces attached to the shaft 13.

As shown in Fig. 4 and the like, scraping blade 35 is attached near the side edges 31b cut the frame recesses 31, located in the rear part of the wedge-shaped plate surface 32 of the heat exchanger 30. Scraping blade 35 can be attached to all heat exchangers 30. Depending on the quality of the processed object, scraping blade 35 can be attached to each of the second heat exchanger 30, or every few heat exchangers 30, or may not be attached to any heat exchanger 30.

As shown in Fig. 5, the inner section of each heat exchanger 30 is attached to wall 36. This wall 36 divides the interior space 37 of the heat exchanger 30 for forming the thread in which the heat exchange medium flows from the primary chamber 23 above the shaft 13, in the inner space 37 of the heat exchanger 30 through the continuous hole 25, is circulated in the internal space 37 in a fixed direction, and flows into the secondary chamber 24 of the shaft 13 through the continuous hole 26. Note that in the case of a relatively small device, the baffle 36 may be one. On the contrary, in the case of a large device, the set of partitions 36 may be provided for separating the internal space 37 of the heat exchanger 30 to be more precise and, similarly, may be provided continuous holes 25, 26 for communication of the internal space 37 with the primary chamber 23 and the secondary chamber 24 of the shaft.

The heat exchanger 3 with the above-described configuration can be manufactured as follows.

First, as shown in Fig. 6 and 7, parts 40a, 40b, which are obtained by separating essentially of a hollow disc-shaped heat exchanger 30 with a wedge-shaped plate surfaces, into two parts at the middle in the width direction, are made by stamping a sheet material. This stamping can be performed at one time using a pair of molds. Stamping can be performed separately on the outer edge areas, parts of the flat surfaces of the Central part and the like, using separate molds. Each of these parts can be Vistanova slowly in several stages. However, it is preferable that the parts 40a, 40b formed slowly in at least many stages, for precise shaping of the parts 40a, 40b without deformation. The sheet material may be first cut off, whereas the shape and size of the final heat exchanger 30, and then the cut sheet material may be subjected to stamping. In addition, the press machine with the function of circumcision can be used for cutting the outer edges and forming the Central part at the same time during the building process.

Then two manufactured parts 40a, 40b are combined so that they were in contact with each other in the direction in which the outer edge sections 41a, 41b are adjacent to each other, to the to shown in Fig. 8. The entire circumference of the adjacent outer edge sections 41a, 41b welded to form a strong hollow disc-shaped heat exchanger 30, which has a wedge-shaped plate surface, as shown in Fig. 4. If this is the partition 36 (not shown)which divides the inner space 37 of the heat exchanger 30 to provide strengthening, if necessary, other components may also be attached to the heat exchanger 30 by welding or similar methods.

After that, the shaft 13 is inserted into hole 34 is made of the heat exchanger 30. The sleeve 38 to define gaps between the heat exchangers 30 is inserted in the shaft 13. Thus, many of the heat exchangers 30, 30, ... come on the shaft 13. The entire circumference of the supporting part between each partition wall 33 of each of the heat exchanger 30, is placed on the shaft 13, and the end part of the sleeve 38, weld, as shown in Fig. 9. Through these processes, each heat exchanger 30 is welded and fixed to the surface of the shaft 13. Then scraping blade 35 is attached to the corresponding section of the heat exchanger 30 by welding or similar means. The shaft 13, on which at predetermined intervals there are many exchangers 30, 30, ..., placed inside the housing 1, as shown in Fig. 10, for the manufacture of heat-exchange device.

Unlike the processes described above, in the l 13 is inserted into hole 34 without welding stamped couples the two parts 40a, 40b. After placing the set of pairs of stamped parts 40a, 40b on the shaft 13 of the outer edge sections 41a, 41b that are adjacent to the parts 40a, 40b located on the shaft 13 weld, and then the peripheral edges of the holes 34 formed on the tops of the protrusions, and the shaft 13, welded together. This is a method of manufacturing a heat exchange device, which has a step of manufacturing a solid hollow-shaped heat exchanger 30 having a wedge-shaped plate surface, and the step of fixing the heat exchanger 30 on the shaft 13.

In the manufacture of each of the heat exchanger 30 of the present invention only one section should be welded (there is only one welding line), i.e. the outer edge sections 41a, 41b, which are adjacent to two stamped parts 40a, 40b. Thus, the welding process can be performed in a short time, which facilitates the automation of the welding process. The heat exchanger 30 can be welded and fixed on the shaft 13 by means of welding of the heat exchanger 30 to the shaft 13 along the outer edges of the holes 34 formed on the tops of the protrusions 33 of the heat exchanger 30. This can significantly reduce the welding time. In this case, also, the automation of the welding process can be implemented incredibly easy as it is formed only one line of welding. In addition, when the traditional wedge exchanger is ennik 50 weld, requires manual welding with the shaft 60; must apply the method of multi-layer welding in which the welding method corresponds to the layers, as mentioned above. On the other hand, the heat exchanger 30 of the present invention allows the use of automatic welding with the shaft 13; automatic welding of one layer may complete the heat exchanger 30 via the selection of suitable welding conditions. This can further reduce the welding time. In the manufacture of traditional wedge-shaped heat exchanger 50 must be performed multilayer welding for welding sections, where the sheet materials are adjacent to each other. The heat exchanger 30 of the present invention, however, can be completed through the automatic welding of one layer. Similarly, it may further reduce the welding time. In addition, partition walls 33 of the heat exchanger 30 according to the present invention can act as a sheet of material (cladding) 61, which is required when joining a traditional wedge-shaped heat exchanger 50 to the shaft 60. Thus, the amount of material can be reduced by reducing the number of man-hours of production process.

Further described as a powder and granular material is dried using a heat exchange device of the present invention described above.

First, powder and granular mater is al (can be either a powder material, or granular material, which is processed by the object, is fed continuously at constant quantities of feed opening 9 of the heat exchange device of the present invention in the housing 1. In this case, the heating medium a predetermined temperature, such as steam or hot water, is circulated through the jacket 4 for heating the housing 1 to a fixed temperature. Two shafts 13, 13 are rotated by the motor through a chain wheel 17 and the gear wheels 16, 16. Heating a substance, such as steam or hot water is fed to the shafts 13, 13 through the supply pipes 19, 19 for supplying a heat exchange medium through the rotating connections 18, 18. The heating medium supplied to each shaft 13, flows from the primary chamber 23 of the shaft 13 into the inner space 37 of the heat exchanger 30 for heating the heat exchanger 30. The heating medium used for the heat exchanger 30, and then is discharged through the discharge pipe 21 of the heat exchange medium through the secondary chamber 24 of the shaft and the rotating connection 20 at the rear of the shaft.

Powder and granular material fed into the housing 1, is heated by the body 1 and the heat exchanger 30, and volatile fractions are evaporated from the powder and granular material discharged together with the carrier gas. As a carrier gas is used, for example, air, inert gas and other Gas-Sitel, entering through the inlet 10, 11, passes through the upper layer inside the housing 1, and then discharged through the outlet 12 along with easily evaporated fractions evaporated from the powder and granular material (water, steam, organic solvents, and the like). The carrier gas containing the easily evaporated fraction evaporated from the powder and granular material, and then appropriately handled outside the system. When easily evaporated fractions are organic solvent, an inactive gas, such as nitrogen, is used as the carrier gas, and the exhaust port 12 is connected with the condenser solvent which is separated into an organic solvent. The carrier gas is passed through the condenser, again enters the housing 1 through the inlet openings 10, 11 and cyclically used.

Flowability in powder and granular material is generated by performing mechanical operations of mixing, when the powder and granular material enters the housing 1 through the inlet opening 9. The applied powder and granular material is then gradually flows into the housing 1 by means of pressure generated as a powder and granular material fills the inlet opening 9, and tilt of the housing 1, which is provided according to need is Timoti. Powder and granular material then passes through the cutout recess 31 of the heat exchanger 30 and moves to the outlet 7.

Powder and granular material through one's pressing away rotation in strong hollow disc-shaped heat exchangers 30 perpendicular to the direction of movement, and at the same time there is a heat exchange, so that the powder and granular material effectively dried. In particular, the heat exchanger 30 used in the present invention, has carved recesses 31 directed from the circumferential edge of the heat exchanger 30 to the center, in which the plate surface extending from the side edges 31a of the cutout recess 31 to the side edge 31b of the next cut recesses 31 are formed in a wedge-shaped plate surface 32, where the plate surface gradually become thin. For this reason, the clearance between the wedge-shaped plate surfaces 32, 32 of two adjacent heat exchangers 30, 30, gradually tapering from the side edges 31a to the side edge 31b of the heat exchanger 30. In this state, each heat exchanger 30 is cut into the layer of powder and granular material during rotation of the shaft 13. Thus, the compressive force may be gradually applied to the layer of powder and granular material in gradually narrowing the gap between the gradually tapering winobranie plate surfaces 32, 32. In addition, the compressive force can be instantly removed in the cut grooves 31, as soon as the layer of powder and granular material passes through the side flange 31b. Thus, the layer of powder and granular material can be repeatedly compressed and expanded by rotation of the shaft, allowing the powder and granular material can be effectively dried. In other words, the compression of the layer of powder and granular material in gradually narrowing the gap between the wedge-shaped plate surfaces 32, 32 means the internal compression of the air layer. Thus can be implemented with the effect of reducing thermal insulation and improved heat transfer. On the other hand, the layer of powder and granular material is released from compression and extends into the cut out recess 31 located on the terminal edge of the wedge-shaped plate surfaces, and thus the vaporized materials, etc. contained in the powder and granular material can be ejected from the system to the outside. Such a device according to the present invention can provide the effect of repeated compression and expansion of the layer of powder and granular material to achieve high thermal efficiency. In the device, the appropriate options for implementation, the heat exchangers 30 Kli is obraznymi plate surfaces 32 and the cut grooves 31 to perform actions and effects located in the housing 1 so that one heat exchanger 30 cuts into (overlaps) another, as shown in Fig. 2 and 10. This improves the repeated compression and expansion of the layer of powder and granular material, which leads to a device with a high thermal efficiency. Each heat exchanger 30 has a cutout recess 31, as described above. This makes possible the passage of the powder and granular material from the cut grooves 31, providing a piston flowability. Powder and granular material obtained after the standing time, smoothly sent to the outlet 7 and is discharged from the exhaust hole 7.

The Central part of the heat exchanger 30 used in the present invention has projections 33 which continuously act in the horizontal direction when viewed from the side. The tops of the protrusions are formed in the openings 34. The shaft 13 is inserted into the holes 34 in order to fix the heat exchanger 30 on the shaft 13. The section in which the heat exchanger 30 and the shaft 13 are attached, forms a smooth curved surface, which prevents adhesion/accumulation of powder and granular material, which is processed by the object. As a result, the heat exchanger 30 and the shaft 13 can provide a large area of heat transfer, implementing the device have its high thermal efficiency. In addition, due to prevent falling sticky/congestion the object to be processed with heat exchanger and mixing in the merged objects can be implemented highly reliable operation of the heat transfer to the powder and granular material.

The above-described embodiments of the heat exchange device for a powder and granular material in accordance with the present invention and a method of manufacturing such a heat exchange device, but the present invention is not limited to these options, implementation, and, of course, various modifications and changes may be made within the scope of the technical concept of the present invention described in the claims of the patent.

Many of the heat transfer devices can be combined together in series where it is necessary to improve the degree of dryness of the processed object. In addition, you can add more shafts on which are the heat exchangers where it is necessary to increase the capacity.

The device according to the present invention can be used for drying the objects being processed, as well as a damp powder, granular materials and block materials, such as dehydrated the sintered mass. For example, the device according to the present invention can be used is about at the stage of drying of inorganic compounds, such as aluminum hydroxide, titanium oxide and graphite, food organic compounds, such as flour and starch, and dehydrated products of synthetic resins, such as polyester, polyvinyl alcohol and polipropilen. The device of the present invention can also be used at the stage of heating and participate in reactions of compounds, such as Tris sodium, which reacts after drying.

INDUSTRIAL APPLICABILITY

Heat exchanging device for powder and granular material corresponding to the present invention, is used for drying, heating, cooling and reactive powder granular material in a wide range of areas, including synthetic resins, food products and chemical products.

1. Heat exchanging device for powder and granular material, which is configured so that the shaft is supported rotatably in a horizontally elongated housing, many heat exchangers are located on the shaft with predetermined intervals, the heat exchange medium is supplied to the heat exchangers through the shaft, and the rotating heat exchangers in the building,
moreover, at least one of the multiple heat exchangers formed as essentially hollow disc-shaped heat exchanger, which is provided by the cut out recess directed away from the OK is uenoi edges of the heat exchanger to its center; plate surface extending from one side edge of the cutout recess to the other lateral edge of the next cut grooves, formed in the wedge-shaped plate surface by gradually increasing the distance between the plate surfaces; ledge which smoothly protrudes in the horizontal direction when viewed from the side, is formed in the Central part of the heat exchanger; and a hole formed on the top of the ledge, and the heat exchanger is located on the shaft by inserting the shaft into the hole, essentially, of a hollow disc-shaped heat exchanger having a wedge-shaped plate surface.

2. Heat exchanging device for powder and granular material according to claim 1, in which the cut recess of the heat exchanger is formed in essentially trapezoidal shape.

3. Heat exchanging device for powder and granular material according to claim 1, in which the cutout recess of the heat exchanger are provided in two symmetrical positions of a circumferential edge, and the plate surface between the two cut grooves formed in a wedge-shaped plate surface.

4. A method of manufacturing a heat exchanging device for powder and granular material, including:
step stamping parts, which are the ay separation, essentially, a hollow disc-shaped heat exchanger having a wedge-shaped plate surface, described in any one of claims 1 to 3, in two parts in the middle in the thickness direction; and
the step of combining the two stamped parts for adjacency to each other in the direction in which their peripheral edge areas are adjacent to each other, producing, essentially, of a hollow disc-shaped heat exchanger having a wedge-shaped plate surface, by welding the two parts on the peripheral edge areas adjacent to each other, and fixing the heat exchanger to the shaft by welding the heat exchanger to the shaft at a peripheral edge of a hole formed on the top ledge of the heat exchanger.

5. A method of manufacturing a heat exchanging device for powder and granular material according to claim 4, in which the stage of manufacture of the heat exchanger and the fixation of the heat exchanger on the shaft includes the step of joining two stamped parts for adjacency to each other in the direction in which their peripheral edge areas are adjacent to each other, and welding the two parts on the peripheral edge areas adjacent to each other, the step of inserting the shaft into the hole, essentially, of a hollow disc-shaped heat exchanger having a wedge-shaped plate surface, produced by welding, and RA is the displacement of the heat exchanger, which is provided in plural on the shaft, and the step of welding heat exchangers located to the shaft at a peripheral edge of a hole formed on the top ledge of each of the heat exchangers.

6. A method of manufacturing a heat exchanging device for powder and granular material according to claim 4, in which the stage of manufacture of the heat exchanger and the fixation of the heat exchanger on the shaft includes the step of the successive insertion of the shaft into the holes of the pair of two stamped parts, so as to accommodate many pairs of stamped parts on the shaft, and the step of the successive welding parts located on the peripheral edge areas adjacent to each other, and welding the peripheral edges of the openings formed on the top of the ledge with the shaft.



 

Same patents:

FIELD: power engineering.

SUBSTANCE: heat exchange device comprises a heat exchanger with a body and a cylindrical shell, forming channels, input and output headers, an additional heat exchanger, arranged in series with the first one, comprising input and output headers. Besides, inside heat exchangers there is a tubular heat exchanger, comprising input and output headers, arranged between two first heat exchangers, besides, the tubular heat exchanger has uniting input and output headers, connected by pipelines to each other and to input and output headers, besides, inside the tubular heat exchanger there is a cylindrical screen with a fairing, and the output uniting header is connected with the body of the first heat exchanger by pylons, arranged at the angle a to the axis of the heat exchange device. The tubular heat exchanger also comprises a band installed between the uniting headers, and the additional heat exchanger is equipped with a nozzle.

EFFECT: invention makes it possible to increase efficiency of a heat exchange device without increasing its dimensions.

3 cl, 1 dwg

Heat exchange unit // 2486425

FIELD: heating.

SUBSTANCE: heat exchange unit includes a housing made in the form of a cylinder, on end faces of which plates are fixed. Inside the housing, along its axis there arranged are pipes with gaps between themselves and inner surface of the housing. End faces of pipes and the housing are attached to plates so that tightness is provided. Partition walls are mounted between the pipes in inner cavity of the housing. On external end faces of the plates there installed are cover plates, the cavities of which are separated with a diametrical partition wall into two chambers connected to branch pipes for supply and discharge of heat exchange media. Pipes inside the housing are installed concentrically one into another with formation between them and the wall of the housing of annular cavities for flow of cooled and cooling media alternating between themselves in radial direction. On each plate there are through arc-shaped slots interconnected on one half of end surface with annular cavities for cooling media, and on the other half of the end surface with annular cavities for cooled medium. In each annular cavity there installed are partition walls in the form of spirals forming together with pipe walls the spiral channels for flow of cooled and cooling media, which connect the corresponding arc-shaped slots on opposite plates.

EFFECT: invention allows providing the most effective heat exchange of cooling and cooled media at minimum dimensions of the unit, and improving its processibility.

2 cl, 7 dwg

FIELD: heating.

SUBSTANCE: in a heat exchange pipe that includes a tubular workpiece, on the inner surface of which longitudinal slots are made and on the outer surface of which a hollow core with longitudinal slots is made, fins are inserted on one side into slots of the tubular workpiece, and on the other side into the core slots. Tubular workpiece is oriented relative to the core so that their longitudinal slots can be offset relative to each other through the specified angle α. Fins are made in the form of flat parts; each fin consists of two straight-line components, one of which has a longitudinal pointed end section in the interface zone with the second component provided with a mating wedge-shaped part. Low-melting inserts are arranged in slots of the tubular workpiece and the core. Fin component with the mating wedge-shaped part consists of two symmetrical longitudinal parts. Angle of taper of the longitudinal end section of one fin component is less than aperture angle of the wedge-shaped slot of the second fin component.

EFFECT: increasing safety of the device under conditions of increased temperatures or a fire; reducing manufacturing working hours.

4 cl, 2 dwg

FIELD: power industry.

SUBSTANCE: vortex heat exchange element containing cylindrical heat exchange tubes coaxially located one in the other, in each of which there installed are at least two vortex tubes; at that, one vortex tube is installed at the section inlet, and the other one is installed at the distance between them, which is determined by complete damping of rotational movement of vortex flow at complete heat load, has the packs of ribs on cylindrical pipe of large diameter along external surface in each section determined with complete damping of rotational movement of vortex flow; at that, distance between ribs in each pack decreases. At that, inlet of heat carriers to each of sections of large-diameter pipe and internal pipe is made either on one and the same side, or on opposite sides in relation to flow movement, thus ensuring both counter-flow and direct-flow scheme of heat carrier movement in the element; internal pipe with cylindrical surfaces is made from bimetal; at that, material of internal pipe surface on the side of hot heat carrier has heat conductivity coefficient which is by 2.0-2.5 times more than material of surface of internal pipe on the side of cold heat carrier.

EFFECT: heat exchange intensification is achieved by uniform distribution of heat flow.

3 dwg

Adapter // 2410621

FIELD: heating.

SUBSTANCE: invention relates to the field of thermotechnics and can be used in adapters of heat exchange element of type "pipe in pipe" when changing the hydraulic circuit of movement of heat-exchanging fluids of in the heat exchanger of nuclear power (NPP), working on liquid-metal coolant in the mode of variable current sinks. In the adapter, comprising a body in the form of a socket with parallel channels, an edge for connecting pipes, and forming with the last a heat exchanger element of type "pipe in pipe", one of the parallel channels in a cross-section of paths adapter area is made with a square of cross-section equal to area of passage section of each of the pipes joined back to back to the edges of the adapter, the area of the passage section of another parallel channel is equal to the square of cross-section of tubular annulus formed by the inner and outer tubes, at that both parallel channels are aimed at the same angle to the main axis of the heat exchanger element.

EFFECT: design of the proposed adapter enables to increase reliability of work of the heat exchanger element of type "pipe in pipe" on a plot of the phase transition of the heated medium due to changing the hydraulic circuit of heat transfer and, therefore, to exclude the critical values of thermal cycling stresses.

1 dwg

Adapter // 2410620

FIELD: heating.

SUBSTANCE: invention relates to the field of thermotechnics and can be used in adapters of heat exchange element of type "pipe in pipe" when changing the hydraulic circuit of movement of heat-exchanging fluids of in the heat exchanger of nuclear power plant (NPP), working on liquid-metal coolant in the mode of variable current sinks. In the adapter containing overflow gaps, axial, radial and circle canals, edges for sealing pipe joints, and forming with the last a heat exchanger element of type "pipe in pipe", the adapter edges are connected with one side to the inner and outer tubes back to back, at that the edge for connecting the inner tube is removed from the adapter relative to the edge to connect the outer pipe so that it forms a chamber transmitted with a tube cavity which is connected back to back to the edge of the adapter on the other side, using the equidistant located overflow gaps, and the radial channels are made flat with a width equal to the diametre of axial channel for connecting the inner tube, and are extended along the axis of the adapter, and are made with an inclination to its axis, and the inner tube cavity through the axial channel of the adapter communicates with the radial ones.

EFFECT: design of the adapter of the proposed type enables to increase reliability of the heat exchanger element of type "pipe in pipe" on a site of the phase transition of the heated medium due to changing the hydraulic circuit of heat transfer and, therefore, to exclude critical values of thermal cycling stresses.

2 dwg

FIELD: power engineering.

SUBSTANCE: method for manufacturing of cooling path in thermally stressed structures consists in production of inner and outer shells by means of turning, arrangement of ribs on outer surface of inner shell and further connection of inner and outer shells along tops of ribs, for instance with the help of soldering, to form cooling channels. On surfaces of ribs that form cooling channels, grooves are arranged in the form of spiral grooves or in the form of part of circumference arc, besides at one side of each rib, arc beginning is arranged near rib base, and at the other side - near its top.

EFFECT: improved conditions of heat and mass transfer.

2 dwg

FIELD: heating.

SUBSTANCE: heat exchanging unit for extraction of heat from gas flow into medium flow, comprising several heat exchangers and structure that embraces them with bottom section, on which they rest by means of support structure. Besides heat exchangers are equipped with substantially gas impermeable wall and are arranged at least partially one into another relative to longitudinal axis of embracing structure so that flow of gas every time passes in space formed by two heat exchangers arranged one inside the other. Support structure comprises surface with holes at least in one of heat exchangers for passage of gas flow from one side of heat exchanger to its other side. By means of heat exchanging block, according to invention, method is realised, in which heat is transferred in the first heat exchanger in direction of organic medium flow in order to cool gas down to its final temperature.

EFFECT: development of method for heating and evaporation of organic medium, in which it is possible to avoid overheating of organic medium, and development of heat exchanging unit suitable for evaporation and heating of organic medium by hot gas, especially by fuel gas produced as a result of biomass combustion.

12 cl, 7 dwg

Adapter // 2396499

FIELD: heating.

SUBSTANCE: invention may be used as adapter of heat exchange element of "pipe-in-pipe" type when changing hydraulic pattern of heat exchange liquids motion in heat exchanger of nuclear power plant, which operates on liquid metal coolant in mode of alternating loads. Adapter in the form of axial bush with parallel channels and tails for connection of pipes, rigidly joined to inner and outer pipes and creating heat exchange element of "pipe-in-pipe" type, besides inner pipe spacing relative to outer pipe is done with the help of bends, moreover, bends of inner pipe are arranged along helical line as each bend contacts outer pipe, moreover, straight section after each turn of bends equals 4-6 diametres of inner pipe.

EFFECT: design of proposed adapter increases reliability of heat exchange pipe operation at section of phase changeover of heated liquid, since hydraulic pattern of heat exchange changes, which results in absence of thermocyclic stresses.

3 dwg

FIELD: process engineering.

SUBSTANCE: invention is intended for separation and can be used for cleaning gas phase of uranium hexafluoride of admixtures in the form of fluorocarbons. Proposed separator comprises casing with bundle of heat exchange tubes fixed in tube plate, overflow tubes, feed and discharge branch unions and condensate drain union. Overflow tubes are located coaxially inside heat exchange tubes and have free end on the side of lower edges of heat exchange tubes. Gap between free end of overflow tube and lower edge of heat exchange tube makes at least 1.2 and does not exceed 1.5-1.7 of heat exchange tube ID.

EFFECT: stable process characteristics, ease of production and efficient separation.

3 cl, 2 dwg

FIELD: heating.

SUBSTANCE: invention relates to the method of heat transfer from the first, relatively cold, medium to the second, relatively hot, medium, including stages of rotation of a compressed fluid medium contained in a certain volume (6) around the axis of rotation for developing thus a radial gradient of temperature in this medium, and heating of the second medium by means of a fluid medium in the fluid medium section that is relatively distant from the axis of rotation. This invention also relates to a device for realisation of the specified method.

EFFECT: efficient production of a medium with high temperature.

14 cl, 5 dwg

FIELD: engines and pumps.

SUBSTANCE: external combustion engine includes sealed housing in the form of flattened cone, which is partially filled with heat carrier. Housing includes evaporator and condenser. The housing includes heat-insulating ring being the element of the housing and rigidly attached both to evaporative section, and to condensation section of the engine housing. Turbine impellers with moving blades enclosed with a rim are rigidly attached to heat-insulating ring. Turbine impellers are rigidly attached to engine shaft. Turbine wheels with guide vanes enclosed with the rim representing an internal annular magnet are installed on the shaft. Rims of all wheels are installed so that an annular gap with housing is formed. Wheels with guide vanes are installed with possibility of being rotated in relation to the shaft - on bearings. External annular magnet rigidly attached to the housing is installed above internal annular magnet. Propeller is rigidly fixed on the engine shaft. The condenser includes bars, on which there rigidly fixed are cone-shaped plates of wave-like profile both on internal, and external sides of the housing. Combustion chamber with injectors is located around evaporator.

EFFECT: reducing mass and dimensions characteristics of the engine; enlarging its functional capabilities.

3 cl, 6 dwg

FIELD: machine building.

SUBSTANCE: in compliance with first version, cooler comprises outer and inner cases 1 and 2 with clearance 8 there between. Note here that inner case 2 has coke feed and discharge openings 3 and 4 while said clearance 8 communicates with cooling water feed and discharge tubes 5 and 5 arranged in coke discharge zone. Blank lengthwise partitions are arranged inside said clearance 8 to make, at least, two sections for cooling water feed, and communicated with feed tube 5, and two cooling water discharge sections communicated with discharge tube 6. note here that said sections are intercommunicated by openings 12 in coke feed zone. In compliance second version, aforesaid clearance accommodates intermediate case to form, with inner case, an annular cooling water feed while, with outer case, a cooling water discharge channel. Note here that said channels are intercommunicated via openings for water crossflow in coke loading zone.

EFFECT: reduced dynamic and thermo mechanical loads, simplified design and repair, longer life.

10 cl, 4 dwg

FIELD: heating.

SUBSTANCE: invention is intended for gas drying, cleaning and heat exchanging and may be used for air ventilation and conditioning. Device is provided with shell, rotor with set of disks fixed to hollow shaft and a set of heat exchanging tubes arranged circumferentially along set of disks but at some distance from shaft, inlet and outlet nozzles. At full circle, rotor disk edges are represented in the form of blades directed either in parallel to disk radius or at ϕ - angle to disk radius and deflected to inter-disk space at tilting angle 0<α<180°. Blades are flat or deflected lengthwise and edgewise with permanent thickness or profiled shape in cross section. Distance b between disks is selected based on the following condition λ>1, λ=b (ω/ν)0.5, where b - distance between dicks; ν - cinematic viscosity of gas; ω -cyclic rotation frequency of rotor. Rotor in shell is installed with clearance d, defined by condition 0<d/R<0.5, where d - clearance between shell and rotor disks; R - disk radius.

EFFECT: increase of device productivity by mass flow rate and heat exchange especially at low gas pressure and improvement of gas cleaning quality.

3 dwg

FIELD: ventilation; air conditioning.

SUBSTANCE: device can be used in buildings and premises of different purpose for cleaning and drying gas and air and for heat exchange. Device for cleaning and drying gas and air has case, rotor provided with pack of discs fastened onto hollow shaft, which has channel for heat exchange, and inlet and outlet branches. Channel of heat exchange is made in form of a set of heat-exchange pipes, which pass through the whole pack of discs and disposed along their circle at some distance from hollow shaft coaxial to its axis. Heat-exchange pipes communicate with shaft by means of radial located channels to form closed heat-exchange channel. Set of heat-exchange pipes is placed onto discs of rotor. Heat-exchange pipes are fastened to any disc of rotor inside bushings made of heat-conducting material to provide thermal contact, for example, by means of heat-conducting glue.

EFFECT: improved efficiency of heat exchange.

2 dwg

FIELD: mechanical engineering.

SUBSTANCE: method and device can be also used in chemical industry, power engineering. Direction and intensity of working medium flow is preset according to the method by form of rotor and its cellular structure being permeable at different directions. Catalytic material is used as cellular material; moreover power and mass exchange processes and chemical interaction take place inside the body of rotor including its developed surface. Rotor-type power-transforming device has at least one rotor mounted onto shaft for rotation, working medium supply and removal collectors. Rotor can have any geometric shape, for example, disc, cone, truncated cone or sphere being permeable at different directions of high-porous cellular material to form channels inside body of rotor for letting working medium flow. Working medium and heat removal collector is placed along periphery of rotor. Permeable rotor is made of material having non-uniform permeability and is provided with heat-exchange surface. Heat-exchange surface is disposed at one side of rotor which side is opposite to one-directed flow of working medium or it can be placed inside rotor when flows of working medium are oriented at different directions. As a cellular material the catalytic material or ceramic either metal carrier onto surface of which carrier the catalyst is applied. As a catalyst at least one noble metal and/or metal oxide is applied. Metal can be chosen from the group containing IV period transition metals. Direction and intensity of working medium flow can be adjusted according to the method as well as mass- heat-exchange processes can be intensified. Method also allows increasing heat output from unit of area of heat-exchange surface.

EFFECT: improved efficiency of operation.

8 cl, 3 dwg

Disk heat exchanger // 2255282

FIELD: heat exchanging apparatus.

SUBSTANCE: disk heat exchanger comprises passage which receives at least one rotating rotor made of disks secured to the common shaft at a distance from each other and baffles with slots mounted inside the passage. The rotor is multistep and its disks are divided into the steps by unmovable plates. The by-pass passages are interposed between the steps. The disks are flexible, and the baffles are provided with rotatable combs.

EFFECT: enhanced efficiency.

1 cl, 2 dwg

FIELD: the invention is meant for application in ventilation and conditioning of air and may find application in energy-saving technologies.

SUBSTANCE: the arrangement for utilization of heat and cold has a rotary heat exchanger, placed in a body with openings and divided by a bulkhead on two chambers and a rotary drive. At that according to the invention the heat exchanger is fulfilled of corrugated metal wrapped up around sealed pipes which were preliminary filled with low-boiling liquid. Besides the rotary drive of the heat exchanger is fulfilled out of two winged pinions kinematically connected with the shaft of the heat exchanger. The rotary drive of the heat exchanger may be fulfilled in the form of a screw winded round the heat exchanger and located in an annular gap between the body of the arrangement and the heat exchanger. The rotary drive of the heat exchanger may be also fulfilled in the form of balancers symmetrically fixed to the rotary shaft of the heat exchanger and manufactured out of materials changing their length and the arrangement itself is installed with the bulkhead perpendicularly to the Earth's surface.

EFFECT: the invention allows to increase effectiveness of utilization of secondary resources of energy.

4 cl, 4 dwg

Heat hydraulic // 2228503

FIELD: process engineering.

SUBSTANCE: proposed method is realised at vitrification temperature. Polyester material melt is fed into cooling water flow and separated from cooling water after passing the cooling section. Note here that polyester material residence time on said cooling section varies from 0.2 to 5.0 s, while cooling water in said section features pressure of at least 2 bar (0.2 MPa). Invention covers also the application of product thus produced for immediate feed into reactor or drier of solid-phase post condensation, preferably, tower- or pit-type drier is used.

EFFECT: controlled formation of granule surface structure, ruling out sintering of granules.

15 cl, 2 dwg, 1 tbl

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