Fluid accumulator and distributor for packed columns

FIELD: process engineering.

SUBSTANCE: invention relates to heat-and-mass exchange. Proposed device comprises packing layer, multiple lengthwise elements spaced apart in horizontal plane and having iner side and top end nearby packing layer bottom, and at least one plate spaced along vertical from packing layer bottom. Note here that every plate collects portion of falling fluid and has opposite ends jointed with inner sides of two lengthwise elements. It comprises, at least, one cup-shape passage for steam rising in exchange column from plate bottom to plate top. Note here that every said cup is provided with cap spaced along vertical from packing layer bottom.

EFFECT: higher efficiency, simplified mounting.

20 cl, 7 dwg

 

The present invention relates to devices and methods for the collection and redistribution of the liquid descending in the exchange columns Packed, for processes of heat and/or mass transfer. The invention has particular application in cryogenic processes for air separation using distillation, although it can also be applied to other processes of heat and/or mass transfer, which uses a nozzle (for example, an unordered or ordered attachment). In addition, the present invention relates to a method of mounting devices for the collection and redistribution of the liquid descending in the exchange Packed columns.

Used herein, the term "column" (or "exchange column") refers to a distillation or distillation column or zone, i.e., the column or zone, where the liquid and vapor phase prototechno contact to ensure separation of liquid mixtures, such as, for example, by contacting the steam and liquid phases in Packed items or the number of plates installed inside the column at intervals along the height.

The term "nozzle" refers to a solid or hollow body of a given size, shape and configuration that is used as the internal elements of the column to create the surface for the liquid to allow mesopredator on the boundary surface of the liquid-vapor during counter the internal currents of the two phases. Two broad classes of nozzles are "disordered" and "ordered" nozzle.

The term "disordered nozzle" means a nozzle in which the individual elements have no specific orientation relative to each other or to the axis of the column. Disordered attachment is a small hollow elements with a large surface area per unit volume, which disordered loaded into the column.

The term "ordered the nozzle" means a nozzle in which the individual elements have a specific orientation relative to each other and to the axis of the column. Ordered nozzles are usually made of sheet metal, porous metal, or woven wire mesh, stacked layers or in the form of a spiral ligament; however, there may be used other structural materials, such as ordinary sheet metal.

For manufacturing processes, such as distillation or direct contact cooling is useful ordered the nozzle to facilitate heat and misoperation between opposite current flow of liquid and vapor. Compared with disordered attachment or plates ordered the nozzle benefit from the greater efficiency of heat and mass transfer with less pressure drop. In addition, ordered the attachment that has more than predictable specifications, than disordered attachment.

Cryogenic air separation is realized by the transmission of liquid and vapor through the distillation column when they countercurrent contact. Vapor phase mixture rises with increasing concentration of the more volatile components (e.g., nitrogen), while the liquid phase of the mixture is lowered with increasing concentration of the less volatile components (e.g., oxygen).

To bring into contact a liquid and gaseous phase of the mixture to effect the mass transfer between phases, using different nozzles and plates. The use of nozzles for distillation is standard practice and has many advantages in cases where the pressure drop is important.

Initial supply of liquid and vapor to the nozzle is usually made through distributors. Liquid distributor whose purpose is essentially uniform irrigation nozzle fluid is located above the nozzle, while the humidifier, whose purpose is the creation of essentially uniform flow of steam nozzle, is located under the nozzle. In addition to the steam distributor, under the cap is also a fluid collector, the purpose of which is to collect all the liquid leaving the nozzle, and the direction of its further down the column. Born is to the liquid and the steam distributor is usually enclosed in one and the same device, which performs both functions.

In U.S. patent No. 4744929(in the name of Robinson and others), entitled "Support device for Packed columns", describes a support device for Packed columns. This supporting device is intended to function both as a support device for the nozzle, and as a collector for the descending liquid.

The prior art many other devices for the collection and redistribution of fluids in Packed columns. In General, these devices are independent pieces of equipment that need support in certain places in the column that occupy the space (height) inside the column, making the column above. This leads to increased cost of production, transportation, installation and operation of the column.

It is desirable to have an apparatus and method for collection and redistribution of flow of a liquid descending in the exchange column, which require relatively little additional height of the column and associated with these costs.

More desirable to have an apparatus and method for collection and redistribution of flow of a liquid descending in the exchange column at which the fluid collector easily combined into one unit with the supporting bars or other elements.

Even more desirable to have new, more effective device is the primary objective and the method for collection and redistribution of fluid flow, descending in the exchange column.

Even more desirable to have a device and method that effectively distribute pairs, while collecting and redistributing a flow of a liquid descending in the exchange column.

Even more desirable to have an apparatus and method for collection and redistribution of flow of a liquid descending in the exchange column that eliminate known from the prior art difficulties, problems, limitations, shortcomings and imperfections, providing a better and more useful results.

In addition, it is desirable to have a mounting device for the collection and redistribution of flow of the liquid descending in the exchange column, which gives a better distribution of the liquid than in the prior art and which, in addition, eliminates many of the known from the prior art problems and shortcomings by providing a better and more useful results.

Summary of the invention

The invention relates to a device and method for collection and redistribution of flow of a liquid descending in the exchange column. In addition, the invention relates to a method of installation of such a device.

There are several aspects of the devices and their variants. According to the first aspect of the device for collection and redistribution of flow of a liquid descending in the exchange column, which shall meet the longitudinal axis and the cross-sectional area and contains a packing layer, having an upper portion and a lower portion opposite the upper portion, the lower part of the layer of the nozzle passes across at least part of the cross-sectional area of the exchange column, contains three parts. The first part is a lot located at intervals along the horizontal longitudinal members, including at least one pair of longitudinal elements, which contains the first longitudinal member and second longitudinal member located at intervals horizontally from the first longitudinal element. Each longitudinal element passes across at least part of the cross-sectional area of the exchange column and has at least one interior side, the top end of the near bottom layer of the nozzle and a lower end opposite the upper end. The second part is at least one plate is located with a vertical spacing from the bottom layer of the nozzle and passing across at least part of the cross-sectional area of the exchange column. The plate is made with the possibility to collect the first part of the flow of the liquid descending in the exchange column, and has a first end and a second end opposite the first end. The first end plate connected to the inner side of the first longitudinal member and the second end plate connected to the inner side of Deuteronomy is the first longitudinal element. The third element is at least one glass for steam passage being in communication on fluid plate, which is made with the ability to take and pass at least part of the flow of steam rising in the exchange column, from the first space under the plate to a second location above the plate. The glass for the passage of steam has a cover button with a vertical spacing from the bottom of the nozzle, at least one vertical wall connected to the plate, the protruding upward above the plate and connected with the cover, and at least one hole is made with the possibility to skip at least part of the flow of steam out of the Cup for the passage of steam.

There are several embodiments of the device according to the first aspect. In one embodiment, the at least one hole in the glass for the passage of steam represents at least one opening in the at least one vertical wall of the Cup for the passage of steam. In another embodiment, at least one of the first longitudinal member and second longitudinal element structurally support at least part of the layer of the nozzle.

In another embodiment, the cover is made with the possibility to take the second part of the flow of a liquid descending in the exchange column, and reject, at least znachitelno is part of the second portion of the fluid flow down to the plate. In yet another embodiment, the cover has a collecting channel which has a capability to receive and collect the second part of the flow of a liquid descending in the exchange column.

The device according to the second aspect is similar to the device according to the above first aspect, but contains an additional element. An additional element is at least one transport channel, passing across at least part of the cross-sectional area of the exchange column and executed with the opportunity to take and pass the stream, at least part of the liquid collected on at least one plate. In a variation on this option, at least one transport channel is an annular channel having an outer perimeter that is equal to the inner perimeter exchange column or less.

The device according to the third aspect is similar to the device according to the second aspect, but contains an additional element. An additional element is at least one passage being in communication fluid with at least one transport channel and executed with the opportunity to take and pass at least a portion of the collected liquid from the at least one transport channel downward in the exchange column.

According to another aspect of the invention is proposed JV is own collection and redistribution of the descending flow of liquid and an ascending flow of vapor in the exchange column, having a longitudinal axis and the cross-sectional area. Exchange column contains a packing layer having an upper portion and a lower portion opposite the upper portion. The lower part of the layer of the nozzle passes across at least part of the cross-sectional area of the exchange column. According to the first aspect of the way it contains many stages. The first stage is the input of the descending flow of liquid in the upper part of the exchange column. The second stage is the input of an ascending flow of vapor in the lower part of the exchange column. The third stage is the placement within the exchange column device containing three constituent parts according to the first aspect of performance of the device. The fourth stage is a pass, at least part of the steam flow from the lower portion of the column to the first place in the plate near at least one glass for the passage of steam.

There are many options available to the first aspect of the method. In one embodiment, the at least one hole in the glass for the passage of steam represents at least one slot in at least one vertical wall of the Cup for the passage of steam. In another embodiment, at least one of the first longitudinal member and second longitudinal element structurally support at least part of the layer of the nozzle.

According to other variant p is pout aspect of the method the cover to do with the ability to take the second part of the fluid flow, descending in the exchange column, and to reject at least a significant part of the second part of the fluid flow down to the plate. In yet another embodiment, the cover has a collecting channel which has a capability to receive and collect the second part of the flow of a liquid descending in the exchange column.

The method according to the second aspect is similar to the method according to the first aspect, but contains two additional stages. The first stage is the use of at least one transport channel, passing across at least part of the cross-sectional area of the exchange column and executed with the opportunity to take and pass the stream, at least part of the liquid collected on at least one plate. The second stage is the distribution of flow at least part of the liquid collected on at least one plate to the at least one transport channel. In the variant of the second aspect of the method, at least one transport channel is performed in the form of an annular channel having an outer perimeter that is equal to the inner perimeter exchange column or less.

The method according to the third aspect is similar to the method according to the second aspect, but includes three additional stages. The first additional step is the use of at least one the first passage, being in hydraulic communication with at least one transport channel and executed with the opportunity to take and pass at least a portion of the collected liquid from the at least one transport channel downward in the exchange column. The second additional step is to pass at least one passage, at least part of the collected liquid is distributed to the at least one transport channel. The third additional step is a pass in at least one passage, at least part of the collected liquid, adopted from the at least one transport channel downward in the exchange column.

According to another aspect of the invention proposes a method of collecting device for collecting and redistribution of flow of a liquid descending in the exchange column. According to the first aspect of the way it contains many stages. The first stage is to provide the exchange column, which has a longitudinal axis and the cross-sectional area and contains a packing layer having an upper portion and a lower portion opposite the upper portion, the lower part of the layer of the nozzle passes across at least part of the cross-sectional area of the exchange column. The second stage is the provision in the exchange column set located at intervals along the horizontal longitudinal members, the key, at least one pair of longitudinal elements, which contains the longitudinal member and second longitudinal member located at intervals horizontally from the first longitudinal element. Each longitudinal element passes across at least part of the cross-sectional area of the exchange column and has at least one interior side, the top end of the near bottom layer of the nozzle and a lower end opposite the upper end.

The third stage is the provision in the exchange column at least one pad located with a vertical spacing from the bottom layer of the nozzle and extending across at least part of the cross-sectional area of the exchange column. The plate is made with the possibility to collect the first part of the flow of the liquid descending in the exchange column, and has a first end and a second end opposite the first end. The first end plate connected to the inner side of the first longitudinal member and the second end plate connected to the inner side of the second longitudinal element.

The fourth stage is the provision in the exchange column at least one glass for steam passage in hydraulic communication with the plate, which is made with the ability to take and pass at least part of the flow of steam rising in the exchange column, the first place under the plate to a second location above the plate. The glass for the passage of steam has a cover button with a vertical spacing from the bottom of the nozzle, one vertical wall connected to the plate, the protruding upward above the plate and connected with the cover and at least one hole is made with the possibility to skip at least part of the flow of steam out of the Cup for the passage of steam.

In a variant of the first aspect of the method of mounting at least one of the first longitudinal member and second longitudinal element structurally support at least part of the layer of the nozzle.

The method of Assembly of the device according to the second aspect is similar to the method of Assembly according to the first aspect, but contains an additional stage. An additional step is used in the exchange column at least one transport channel, passing across at least part of the cross-sectional area of the exchange column and executed with the opportunity to take and pass the stream, at least part of the liquid collected on at least one plate.

The method of Assembly of the device according to the third aspect is similar to the method of Assembly according to the second aspect, but contains an additional stage. An additional step is used in the exchange column at least one passage being in hydraulic with what benii with, at least one transport channel and executed with the opportunity to take and pass at least a portion of the collected liquid from the at least one transport channel downward in the exchange column.

Brief description of drawings

The invention will be described as an example with reference to the accompanying drawings, in which:

Figure 1 - schematic vertical view in section of the device according to one variant embodiment of the invention;

Figure 2 - schematic top view in section of the device according to one variant embodiment of the invention;

Figure 3 is a vertical view in section of a glass of the same type for the passage of steam for a device according to one variant embodiment of the invention;

4 is a vertical view in section of a glass of a different type for the passage of steam device according to another variant embodiment of the invention;

5 is a schematic top view in section of the column containing device according to another variant embodiment of the invention;

6 is a schematic top view in the context of exchange column containing device according to another variant embodiment of the invention; and

7 is a schematic top view in section of the column containing device according to another variant embodiment of the invention.

A detailed description of izaberete the Oia

Figure 1-7 shows some embodiments of a device and the method for collection and distribution of liquid descending in the exchange column. Figure 1 and 2 shows an embodiment of the device in the exchange column having a small diameter, while figure 5-7 shows some embodiments of a device in the exchange columns of large diameter. As will be clear to experts in the art, many other options are possible, embodying the invention, and many variations of the embodiments of the invention shown and described here.

Figure 1 and 2 show a device 10 for collecting and redistribution of flow of a liquid descending in the exchange column 12. Although the apparatus and method discussed here in connection with the orderly nozzle, specialists in the art will understand that the apparatus and method can also be used with other nozzle types (for example, disordered attachment).

The packing layer 12 is supported by support elements 16, which are usually elongated metal elements, perpendicular to the cross-sectional area of the exchange column 14. Plate 18 (for example, a flat metal plate) is placed between the support elements 16 and connected to each supporting member 16 by welding or other the means of attachment. In addition, the plate 18 is held against the support elements 16 to the inner wall of the exchange column 14 where it is attached to the wall by means of connection 26.

The plate includes a Cup 20 for the passage of steam. As will be clear to experts in the art, the glass for the passage of steam may have a different configuration or shape. Shows the glass for steam passage has a vertical wall 30 spaced from each other and attached to the plate 18. The cover 24 at the top of the glass for steam passage connects the vertical walls that are perforated so that the steam rising in the exchange column and included in the glass for the passage of steam may pass through the openings 22 and continue to rise up, to eventually enter the packing layer 12.

As shown in figure 1, most of the liquid passing through the packing layer 12, pouring down through the screening area above the plate 18. However, as schematically shown in the figures, some of the fluid flows through the inner stinks exchange column 14 and on both sides of the supporting elements 16.

Although most of the liquid, which flows down, falls on the plate 18, the portion of the descending liquid falls on the cover 24 cups 20 for the passage of steam. Figure 3 shows one case where the cover has projections 32, inclined downwards to reflect the fluid in the from to the plate. Figure 4 shows another variant where the cover has the shape of a channel with vertical walls 34, spaced from each other. The liquid collected in the channel can drain down to the plate 18 with one or both ends of the channel at the top of the Cup 20 for the passage of steam. As will be clear to experts in the art, other forms of cover and means for passing liquid from the lid down to the plate.

The liquid collected on the plate 18, is given plate downward in the exchange column 14. Figure 2 and figure 5-7 shows some embodiments of a device having various means for doing this. The liquid is then sent to the collector (not shown) or to a downstream distributor (not shown).

In figure 2 the fluid flows to either end of the plate 18 and falls into the drain Cup 28. As will be clear to experts in the art, other choices are possible in relation to the size, shape, location, design and number of drain cups.

In the embodiment of the invention shown in figure 5, the channel 36 extending across the cross-sectional area of the exchange column 14, receives the liquid flowing from the plates 18 on both sides of the channel. One or more drain cups 38 are taking the liquid collected in the channel 36, and skip the liquid down in the exchange number of the nnu.

In the embodiment of the invention, shown in Fig.6, the annular channel (trench) 46 receives the collected liquid from the plates 18. The fluid received in the annular channel, passed down through the drain cups 48, located in different places, as shown in Fig.6. The annular channel is preferably continuous and adjacent to the perimeter of the inner wall of the exchange column 14, as shown in Fig.6. However, as will be clear to experts in the art, the annular channel does not necessarily have to be contiguous and adjacent to the inner wall of the exchange column, so that other possible ways of its implementation.

7 shows another possible implementation of numerous channels 36 and the drain channel 38 for receiving liquid collected on the plates 18, and passes the liquid downward in the exchange column 14 through a drain cups. 7 shows two channels 36, which are located at a distance from each other and have the same dimensions and are parallel to the diameter of the exchange column and equidistant from it. However, as will be clear to experts in the art, many other possible location options and varieties.

Drain the cups 38 as figure 5, and figure 7 shows in the form of a circular passages, which are located in the areas shown relative activities the diameter but exchange column 14. However, as will be clear to experts in the art, the drain glasses can have other shapes and/or be in other places.

In addition, in the preferred embodiment of the invention, the plate 18 is made in one piece with the support elements 16, which provide structural support for the layer of the nozzle 12. However, there may be other designs. For example, the plate (plate) can be connected with other elongated elements, which are located within the exchange column 14 and extend upward from the plate (plate) to the bottom layer of the nozzle or near it. As will be clear to experts in the field of technology, there are various other ways to perform, including different combinations (for example, some elongated elements provide structural support at the same time as other elongated elements do not provide such support.

Thanks to the collection of fluid in one piece with the supporting elements of the height of the column occupied by the device is less than the height occupied by the collections of fluid, known from the prior art, a lower comparative cost of the equipment. The practical result of the reduction of the height of the exchange column is to reduce costs for production, transport, installation and operation of the column. In addition to the WMD, the device for collecting and redistributing the liquid becomes less expensive and easier to manufacture, it provides good usability for small failures and work satisfactorily on all process conditions used in air separation distillation.

Although the present invention is shown and described herein with reference to certain specific variations in its implementation, it is, however, assumed not to be limited to the shown and described in detail. Rather, can be made various changes in the details within the equivalents of the claims and not deviating from the invention.

1. Device for collection and redistribution of flow of the liquid descending in the exchange column, which has a longitudinal axis and the cross-sectional area and contains a packing layer having an upper portion and a lower portion opposite the upper portion, the lower part of the layer of the nozzle passes across at least part of the cross-sectional area of the exchange column, contains:
many are located at intervals along the horizontal longitudinal members, including at least one pair of longitudinal elements, containing the first longitudinal member and second longitudinal member located at intervals on the horizon is Ali from the first longitudinal element, each longitudinal element passes across at least part of the cross-sectional area of the exchange column and has at least one interior side, the top end of the near bottom layer of the nozzle and a lower end opposite the upper end;
at least one plate with a vertical spacing from the bottom layer of the nozzle and passing across at least part of the cross-sectional area of the exchange column; the plate is configured to collect the first part of the flow of the liquid descending in the exchange column, and has a first end and a second end opposite the first end; the first end plate connected to the inner side of the first longitudinal member and the second end plate connected to the inner side of the second longitudinal element; and
at least one glass for steam passage being in communication fluid to the plate and performed with the opportunity to take and pass at least part of the flow of steam rising in the exchange column, from the first space under the plate to a second location above the plate, and the glass for the passage of steam has a cover button with a vertical spacing from the bottom of the nozzle, at least one vertical wall connected to the plate, the protruding upward above the plate and soedinyayu the cover, and at least one hole is made with the possibility to skip at least part of the flow of steam out of the Cup for the passage of steam.

2. The device according to claim 1, in which at least one hole in the glass for the passage of steam represents at least one opening in the at least one vertical wall of the Cup for the passage of steam.

3. The device according to claim 1, in which the cover is made with a chance to take the second part of the flow of a liquid descending in the exchange column, and to reject at least a significant part of the second part of the fluid flow down to the plate.

4. The device according to claim 1, wherein the cover has a collecting channel which has a capability to receive and collect the second part of the flow of a liquid descending in the exchange column.

5. The device according to claim 1, in which at least one of the first longitudinal member and second longitudinal element structurally support at least part of the layer of the nozzle.

6. The device according to claim 1, additionally containing at least one transport channel, passing across at least part of the cross-sectional area of the exchange column and executed with the opportunity to take and pass the stream, at least part of the liquid collected on at least one plate.

7. The device according to claim 6, in which, IU the greater extent, one transport channel is an annular channel having an outer perimeter that is equal to the inner perimeter exchange column or less.

8. The device according to claim 6, further containing at least one passage being in communication fluid with at least one transport channel and executed with the opportunity to take and pass at least a portion of the collected liquid from the at least one transport channel downward in the exchange column.

9. The method of collection and redistribution of the descending flow of liquid and an ascending flow of vapor in the exchange column, which has a longitudinal axis and the cross-sectional area and contains a packing layer having an upper portion and a lower portion opposite the upper portion, the lower part of the layer of the nozzle passes across at least part of the cross-sectional area of the exchange column contains the stage: enter the descending flow of liquid in the upper part of the exchange column;
enter the rising steam flow in the lower part of the exchange column; place within the exchange column, the device containing:
many are located at intervals along the horizontal longitudinal members, including at least one pair of longitudinal elements, containing the first longitudinal member and second longitudinal element is the first interval in the horizontal direction from the first longitudinal element, each longitudinal element passes across at least part of the cross-sectional area of the exchange column and has at least one interior side, the top end of the near bottom layer of the nozzle and a lower end opposite the upper end;
at least one plate with a vertical spacing from the bottom layer of the nozzle and passing across at least part of the cross-sectional area of the exchange column; the plate is configured to collect the first part of the flow of the liquid descending in the exchange column, and has a first end and a second end opposite the first end; the first end plate connected to the inner side of the first longitudinal member and the second end plate connected to the inner side of the second longitudinal element; and
at least one glass for steam passage being in communication on fluid plate, which is made with the ability to take and pass at least part of the flow of steam rising in the exchange column, from the first space under the plate to a second location above the plate, and which has a cover that is located with a vertical spacing from the bottom of the nozzle, at least one vertical wall connected to the plate, the protruding upward above the plate and connected with the cover, and m is Nisha least one hole is made with the possibility to skip at least part of the flow of steam out of the Cup for the passage of steam; collect the first part of the fluid flow on the plate; and transmit at least a portion of the steam flow from the lower portion of the column to the first place in the plate near at least one glass for the passage of steam.

10. The method according to claim 9, wherein at least one hole in the glass for the passage of steam represents at least one slot in at least one vertical wall of the Cup for the passage of steam.

11. The method according to claim 9, wherein the cover is configured to accept the second part of the flow of a liquid descending in the exchange column, and to reject at least a significant part of the second part of the fluid flow down to the plate.

12. The method according to claim 9, wherein the cover has a collecting channel which has a capability to receive and collect the second part of the flow of a liquid descending in the exchange column.

13. The method according to claim 9, wherein at least one of the first longitudinal member and second longitudinal element structurally support at least part of the layer of the nozzle.

14. The method according to claim 9, containing additional stages:
provide at least one transport channel, passing across at least part of the square the Popper is nogo-section exchange column and executed with the opportunity to take and pass the thread at least part of the liquid collected on at least one plate; and
distribute the flow of at least part of the liquid collected on at least one plate, at least one transport channel.

15. The method according to 14, wherein at least one transport channel is performed in the form of an annular channel having an outer perimeter that is equal to the inner perimeter exchange column or less.

16. The method according to 14, containing additional stages:
provide at least one passage being in communication fluid with at least one transport channel and executed with the opportunity to take and pass at least a portion of the collected liquid from the at least one transport channel downward in the exchange column;
pass to at least one flow passage, at least part of the collected liquid is distributed to the at least one transport channel; and
pass in at least one passage, at least a portion of the collected liquid, adopted from the at least one transport channel, downward in the exchange column.

17. The method of Assembly of the device for collection and redistribution of flow of the liquid descending in the exchange column contains the stage:
provide exchange column, which has continued the optimum axis and the cross-sectional area and contains a packing layer, having an upper portion and a lower portion opposite the upper portion, the lower part of the layer of the nozzle passes across at least part of the cross-section exchange column;
provide in the exchange column, many located at intervals along the horizontal longitudinal members, including at least one pair of longitudinal elements, containing the first longitudinal member and second longitudinal member located at intervals horizontally from the first longitudinal member, each longitudinal element passes across at least part of the cross-sectional area of the exchange column and has at least one interior side, the top end near the bottom of the nozzle and a lower end opposite the upper end;
provide in the exchange column at least one plate with a vertical spacing from the bottom layer of the nozzle and passing across at least part of the cross-sectional area of the exchange column; the plate is configured to collect the first part of the flow of the liquid descending in the exchange column, and has a first end and a second end opposite the first end; the first end plate connected to the inner side of the first longitudinal member and the second end plate connected to the inner side of the second longitudinal element; the
provide in the exchange column at least one glass for steam passage being in communication fluid to the plate, and which is designed with the ability to take and pass at least part of the flow of steam rising in the exchange column, from the first space under the plate to a second location above the plate, and the glass for the passage of steam has a cover button with a vertical spacing from the bottom of the nozzle, at least one vertical wall connected to the plate, the protruding upward above the plate and connected with the cover, and, at least one hole is made with the possibility to skip at least part of the flow of steam out of the Cup for the passage of steam.

18. The method of Assembly of the device according to 17, wherein at least one of the first longitudinal member and second longitudinal element structurally support at least part of the layer of the nozzle.

19. The method of Assembly of the device 17, containing the additional step:
provide in the exchange column at least one transport channel, passing across at least part of the cross-sectional area of the exchange column and executed with the opportunity to take and pass the stream, at least part of the liquid collected on at least one plate.

20. Way to build us the device according to claim 19, containing additional step:
use in the exchange column at least one passage being in communication fluid with at least one transport channel and executed with the opportunity to take and pass at least a portion of the collected liquid from the at least one transport channel downward in the exchange column.



 

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4 cl, 5 dwg

FIELD: process engineering.

SUBSTANCE: invention may be used in air treatment. Device to remove trace CO2 from atmospheric air comprises one or several elements made from foamed material with exposed or screened pores. Foamed material has open CO2 passages coated with solid sorbent. Multiple elements of foamed material may be arranged spaced apart to make open CO2 passages coated with solid absorbent. Method of increasing contact between trace CO2 in atmospheric air low and solid sorbent comprises producing surfaces coated by solid sorbent in foamed material with open and/or screened pores and forcing gas flow along lower-drag paths crossing foamed material. Note here that foamed material is filled, mainly, with air. At least some air volumes inside said pores are interconnected and connected with gas flow in channels passing through foamed material.

EFFECT: better contact between sorbent and air flow.

8 cl, 17 dwg

FIELD: machine building.

SUBSTANCE: horizontal disc heat- and weight-exchanging device consists of cylinder case with bottoms and at least one split flange, of branches of input and output of working components, of set of dividing circular partitions, of longitudinal pins passing through dividing circular partitions along their periphery, and of two shafts: shaft installed in bearings with packing in bottoms of case and eccentric shaft, both at one end fixed in flange connection of case, while at another end shafts are fixed in end dividing circular partition. Solid discs are rigidly mounted on the shaft in each section; circular contact discs are secured on the solid discs. The dividing circular partitions are rigidly fixed relative to one another with thrust bushings installed on the longitudinal pins; the latter are equipped with overhead split flexible packing rings along their external diametre; the rings can travel radially and are pressed to the dividing circular partitions with springs. The eccentric shaft is equipped with a holder of angular position and with a packing system.

EFFECT: simplified design of device ensuring higher processability and efficiency of process of heat and weight exchange; increased efficiency of device.

9 cl, 12 dwg

FIELD: technological processes.

SUBSTANCE: invention relates to a chemical, metallurgical, energy, food and other industries that require a deep air cleaning of industrial emissions. In the body of the device there are one or more mixing stages, which has connections for input and output of fluids, stages are located coaxially with the vertical, each of which is made in the form of swirl, which is a cylindrical shell with tangential slits and straight blades set at a tangent to the inner circle. Butt shell facing the flow of the incoming mixture is closed with a disk so that when the spreading mixture goes through a gap in the space between the shoulder blades and the on the other end of the blade shell is attached to the disk with a central hol, designed to yield a swirled foam gas-liquid flow. Separator is a rigidly mounted static element (a flat disc or cone) placed under the central hole of the disc of the last mixing stage overlying section of the outflowing stream; it uses centrifugal force of spinning gas-liquid flow at the exit of the swirler to separate liquid and gas.

EFFECT: ensuring ease of manufacture and operation.

4 cl, 3 dwg

FIELD: chemistry.

SUBSTANCE: invention relates to a vessel which is used in an ethylene oxide extraction/distillation system, ethylene oxide extraction/distillation system and a method of extracting ethylene oxide from an aqueous liquid - ethylene oxide absorbent. Distillation and reabsorption processes during extraction of ethylene oxide from an aqueous absorbent are usually carried out separately. The invention discloses a single vessel for extracting and distilling ethylene oxide, which is divided by an inner partition wall into separate sections where reabsorption and distillation take place.

EFFECT: simplification of industrial operations and improved overall safety of the installation due to smaller area of the section required for reabsorption and distillation.

20 cl, 2 dwg

FIELD: technological processes.

SUBSTANCE: invention is related to heat mass exchange devices and may be used in petrochemical, chemical, chemical-pharmaceutical, food and other industries. Vortex spray absorber comprises body with nozzles for gas inlet and outlet and drain of liquid, perforated tube for inlet of liquid, which is installed in body on bearings with possibility of rotation. Impellers are fixed on perforated pipe. Nozzles of gas inlet and outlet are installed on body tangentially, besides nozzle of gas outlet is located towards gas flow that rotates in body. Nozzles of liquid drain are installed on body tangentially towards liquid film that rotates on body wall. In body opposite to each nozzle of liquid drain there are nozzles arranged for separation of phases, which produce annular pockets with bottom arranged above liquid drain nozzle together with body wall.

EFFECT: reduced power inputs and simplified design.

2 dwg

Enthalpy exchanger // 2380142

FIELD: technological processes.

SUBSTANCE: invention is related to chemical and food industry, namely to procedure of gas purification from volatile substances and wet dust collection. Enthalpy exchanger comprises body with nozzles for inlet and outlet of liquid and gaseous phases, separated in sections, where contact devices are installed, having pockets for liquid communicated to overflow nozzles. Contact device is arranged in the form of cone-shaped shell, which is directed upwards with its smaller base. Overflow nozzle is equipped with liquid distributor installed on its end, which includes shaft and bushes arranged on shaft with adjusting rings and supercharger, for instance pump. Shaft of liquid distributor is arranged as hollow, adjusting rings are made of elastic material, besides one end of adjusting ring is fixed on bush by means of yoke, and the other one freely adjoins end of bush, pins are rigidly fixed in lower part of bush. Adjustment of thickness and speed of film dome outflow is realised by variation of overpressure value inside cavity, which is produced by bushes and adjusting bushes. As a result of gas contact with liquid film, a layer of intensive turbulence is produced, and processes of admixture absorption are executed more intensely.

EFFECT: invention provides for equal thickness of film dome, and also possibility to adjust thickness and speed of film dome outflow in process of device operation.

2 dwg

FIELD: production processes.

SUBSTANCE: invention refers to processes and apparatus of chemical machine industry and may be used in power, petroleum, chemical, food industry and other branches of industry. Apparatus contains cylindrical body with bottoms, in its upper part tubes for gas delivery and extraction are installed, and in its lower part - tubes for delivery and extraction of liquid. Apparatus is provided with circular baffles forming sections with external annular channels, longitudinal shaft and also with transverse solid and circular contact discs (CCD) installed on shaft in alignment to it, these discs are installed with clearance in relation to solid discs, shaft and each other and are partially submerged in liquid, and they form contact packages with central axial channels in them. Circular baffles are rigidly fixed in relation to each other and to body, at that solid contact discs are fixed on shaft together with circular contact discs and with installed between them opposite to circular baffles separatory contact discs forming together rotor of circular contact discs which is installed in body with minimal clearance in relation to surfaces of central holes of circular baffles. Side surfaces of circular contact discs, between which gas-vapor mixture (GVM) flows from central axial channels to external annular channels, are provided with corrugations which form profile of channels of centrifugal contact packages. Profile of corrugations on circular contact discs, along which flow of gas-vapor mixture is directed from external annular channels to central axial channels, is designed analogous to profile forming system of corrugations on contact discs of centrifugal contact packages, and circular contact discs are installed in rotor in such a way, with respect to circular contact discs of centrifugal contact packages, that they form centripetal contact packages.

EFFECT: structure of heat- and mass-transfer apparatus allows to provide high effectiveness of its production, assembling and disassembling, to increase operating characteristics and to improve process efficiency.

11 cl, 11 dwg

FIELD: chemistry.

SUBSTANCE: apparatus has a housing which is divided by horizontal partition walls into sections through which pass transparent cylindrical tubes, having suspension distributors and helical spirals, an incandescent lamp, a bubbling device and arched connecting pipes with nozzles for inlet of a mixture of carbon dioxide gas and air. The horizontal partition walls are transparent and form suspension inlet and outlet sections, suspension circular and film flow sections and an intermediate section of the housing. The transparent partition wall which separates the inlet section from the suspension circular flow section has depressions. The suspension circular flow section is fitted with two DNaT-type incandescent lamps in the top and bottom parts of the section and transparent cylindrical tubes with screwed caps fitted inside.

EFFECT: invention increases specific output, creates optimum conditions for culturing a wide range of autotrophic microorganisms, reduces power consumption and carbon dioxide gas consumption.

4 dwg

FIELD: process engineering.

SUBSTANCE: invention is intended for collecting fluid, its removal or redistribution over apparatus cross-section, distribution and separation of gas flows from fluid drops. Fluid collector comprises open-top chutes and inclined plates provided with drip extractors atop them, and vertical plates secured at bottom of aforesaid chutes. Inclined rectangular plates have their one ends jointed with top part of vertical plates and opposite ends jointed with bottom sides of vertical plates, and are arranged with clearance with walls of aforesaid chutes. Several inclined plates are arranged closely, one after another, along vertical plates and turned in opposite sides relative to each other. Plates with chutes make bearing grid. Vertical plate bottom section is furnished with teeth secured in chutes. Joints between vertical and inclined plates make drip extractors. Vertical plates are made from porous material on both sides while inclined plates are from porous material or furnished with porous coat applied to bottom surfaces.

EFFECT: decreased weight and overall dimensions, higher separation efficiency, simplified design.

8 cl, 6 dwg

FIELD: chemistry.

SUBSTANCE: invention refers to the way of production of phenol, acetone and α-methylsterene, and to the installation for its implementation. The way consists in decompounding of cumene hydroperoxide and dimethylphenyl carbinol that are included into the technical cumene hydroperoxide, in the solvent with the presence of heterogeneous catalyst by means of catalytical distillation in the continuous isothermal mode at the boiling point of the solvent and with the latter's recirculation; as a solid heterogeneous catalyst, heteropoly acid H3PW12O40 or caesium-displaced salt of heteropoly acid Cs2.5H0.5PW12O40 is applied on the silicon dioxide, and as a solvent, acetone is employed. As a bearer, mesoporous silicon dioxide of MCM-41 grade is used, and decompounding of the cumene hydroperoxide and dimethylphenyl carbinol is carried out in two stages; the first stage stipulates decompounding of cumene hydroperoxide thus releasing phenol and acetone, and the second one - of dimethylphenyl carbinol thus releasing a-methylsterene; the mesoporous silicon dioxide and heteropoly acid or caesium-displaced salt of the heteropoly acid are used with the following component ratio, weight %: heteropoly acid - 10-50; silicon dioxide - the rest; or caesium-displaced salt of the heteropoly acid - 10-20; silicon dioxide - the rest.

EFFECT: decompounding of the cumene hydroperoxide and dimethylphenyl carbinol with 100 % conversion and 100 % selectance.

8 cl, 1 dwg, 8 ex

FIELD: technological processes.

SUBSTANCE: invention relates to inlet device for fluid medium, used to introduce mixture of liquid and gas into process device. Inlet device (1) for introduction of liquid and gas mixture into process device (5) comprises channel for inlet of flow, having inlet end (12) to receive mixture of liquid and gas, and multiple curvilinear guide vanes (20). Each blade (20) includes isolating part (22), which passes in direction of inlet end of channel for entry of flow, and deflecting part (25), which forms as a whole a concave surface and convex surface of curvilinear blade. Deflecting parts (25) of two neighbouring blades form outlet channel of inlet device and determine gas flow direction in output channel, besides at least one of blades (25) is equipped with liquid trap (40) arranged at the angle to direction of gas flow.

EFFECT: invention provides for the possibility to work with lower carryover and accordingly with higher efficiency of separation.

17 cl, 10 dwg

Gas distributor // 2394623

FIELD: process engineering.

SUBSTANCE: invention is intended for use in gas production, petrochemical industry and oil-and-gas-processing industry. Gas distributor is arranged inside apparatus housing opposite the gas inlet branch pipe with clearance relative to housing and represents hexagonal prism accommodating coaxially fitted inner cylinder with slots or perforation. Cylinder length is divided into sections by circular disks with hole diametres decreasing from gas inlet branch pipe. Prism lateral sides accommodate sets of corrugated sheets with their crimps made crossing. Space between hexagonal prism and inner cylinder can be filled with irregular packing.

EFFECT: uniform distribution of gas flow over apparatus section and higher quality of separation of finely dispersed flows.

2 cl, 3 dwg

Rectification plant // 2393904

FIELD: process engineering.

SUBSTANCE: invention relates to chemical, petrochemical, food and other industries, in particular to method of separating bi- and multi-component mixes by rectification. Rectification plant comprises rectification column representing tubular-case heat exchange apparatus with tube space making column bearing section with tubular annulus making column distillation section, heat exchanger communicated with top part of tubular annulus, compressor to compress vapors, distiller communicated with top part of column concentration section, line to feed vapor-fluid mix from column bottom via heat exchanger into top part of tubular annulus, and reducer valve arranged in aforesaid line and fitted on one shaft with compressor. Tubular annulus and space inside tube are filled with packing, grid or screen is arranged nearby tube bottom edge while tube walls are corrugated.

EFFECT: higher efficiency due to lower power consumption.

4 cl, 4 dwg

FIELD: technological processes.

SUBSTANCE: invention is related to apparatus for distillation and increase of concentration and further condensation and final increase of concentration of easily evaporated component, preferably aqueous mixture. Heat required for distillation and increase of concentration is sent via common heat-transmitting body (3). Heat is produced as a result of condensation of steam generated by distillation and increase of concentration, moreover, steam by means of compression with application of heat pump obtains increase of boiling temperature, which is required for condensation. Apparatus consists of two sections: section of distillation and increase of condensation or the first section (1) and section of condensation and final increase of concentration or the second section (2), besides sections are combined around common heat transmitting body (3), which forms separating wall. Each section is additionally limited by a horizontal partially cylindrical jacket (13) and end wall at each side. Every section is equipped with spraying rotor (4), adjusted for liquid injection from each side from lower part of horizontal partially cylindrical jacket (13) inside towards direction of common heat-transmitting body, besides axial liquid channel (5) provides for continuous passage of liquid through apparatus, passing along lower part.

EFFECT: apparatus may provide for distillation and increase of concentration without necessity to use traditional distillation and concentration column, which reduces capital investments.

5 cl, 2 dwg

FIELD: process engineering.

SUBSTANCE: proposed method comprises injecting fluid into scrubber (3) in countercurrent to gas at several levels. Note here that gas is forced through at least two inlets (2) made in scrubber housing. To reduce difference in gas contact interval, gas is directed, nearby inlets (2), inside scrubber with its diametre equal or larger than 12 m, in particular, exceeding 20 m to make two gas flows intercrossing there inside at section from scrubber center to half its radius behind the scrubber center.

EFFECT: higher intensity of interaction between gas and fluid.

6 cl, 12 dwg

FIELD: chemistry.

SUBSTANCE: invention relates to a thermal separation method using fractional condensation of a product-gas mixture, obtained through heterogeneous catalysed partial oxidation of propene and/or propane in gaseous phase to acrylic acid, for separating at least one mass flow, concentrated with acrylic acid, from a product-gas mixture containing acrylic acid, which involves continuous static operation of at least one device for thermal separation, containing at least one effective separation chamber with a fractionation column which has mass-transfer trays as built-in separating elements, in which the product-gas mixture is loaded, containing acrylic acid as at least one mass flow, and from which at least one mass flow containing acrylic acid is unloaded under the condition that, the overall mass flow loaded into the effective separation chamber and obtained from combining separate mass flows loaded into the separating chamber, contains X wt % components distinct from acrylic acid, the mass flow which is unloaded from the effective separation chamber with the largest content of acrylic acid, contains Y wt % components distinct from acrylic acid, ratio X:Y is ≥5, effective separation chamber, except the loading and unloading place, is bordered by a solid phase and contains, besides the mass-exchange trays as built-in separating elements in the fractionation column, at least one circulating heat exchanger, and total volume of the chamber, filled with liquid phase, is ≥1 m3, wherein temperature of the liquid phase is at least partially ≥80°C, when the effective separation chamber is divided into n separate volume elements, wherein the highest and lowest temperature of liquid phase in a separate volume element differ by not more than 2°C, and the volume element in the effective separation chamber is solid, total dwell time ttotal.

≤20 h, where A = (Ti-To)/10°C, To= 100°C, Ti = arithmetic mean value of the highest and lowest temperature of the ith volume element in the liquid phase in °C, msi = total mass of acrylic acid in the volume of the liquid phase of the ith volume element, mi = total liquid phase mass unloaded from the ith volume element, and is the sum of all volume elements i, under the condition that, volume elements i with liquid phase mass mi and as volume elements with a dead zone are also not included in the sum of all volume elements i, as well as volume elements i, which do not contain liquid phase, and total amount of liquid phase contained in volume elements with a dead zone is not more than 5 wt % of the total amount of liquid phase contained in the effective separation chamber.

EFFECT: separation of mass flow concentrated with acrylic acid.

10 cl, 12 dwg, 2 ex, 2 tbl

FIELD: mechanics.

SUBSTANCE: plate-type column features plates, two or more support elements (2) attached at bottom surface of the plates and supporting the plates, and mantle ring (4) for plates at internal case (1) of the plate-type column. Flutes in mantle ring allow avoiding triple junction between internal case (1) of column, mantle ring (4) and support element (2), which are most critical initiation areas of chemical and physical transformation of substances, causing contamination of plate-type columns.

EFFECT: fluid drain through flutes without impairing carrying capacity of mantle ring.

8 cl, 3 dwg

FIELD: cryogenic engineering, in particular, devices for separation of crypton-xenon concentrate obtained at air-separating installations.

SUBSTANCE: the mass-transfer apparatus has a contact device including the concentration and exhausting sections filled with packings, inlet chamber, condenser-evaporator, still with an electric heater and evaporator, still with an electric heater and evaporator. In addition, the inlet chamber of the feed flow of the mass-transfer apparatus (rectifying column) has a packing section with a specific surface less than the specific surface of the packing of the concentration section, is provided with a heater and a thermal converter, and the feed flow branch pipe- with a thermal bridge. The concentration and exhausting sections have different dimensions of the free cross-sectional areas, have reflux distributors and redistributors spaced in height at distance L=(150 to 300)d equiv; where d equiv. - the equivalent diameter of the packing, perforated tubular vertical inserts are additionally installed in the drain holes of the bottoms of the reflux distributors and redistributors. The straight-tubular tube still of the condenser of the intermediate heat-transfer agent has at least one duct, whose cross-sectional area is commensurable with the total area of the flow areas of the heat-transfer tubes, and the still electric heater - the heat-transfer base with an electric heating element packed and covered with heat-transfer powder and pressed to the still bottom by pull rods provided with springs.

EFFECT: enhanced reliability of the mass-transfer apparatus and reduced specific amount of metal per structure.

6 dwg

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