Manufacturing method of air cooling unit

FIELD: heating.

SUBSTANCE: at manufacture of a gas air cooling unit, manufacture and installation of heat exchange sections with heat exchange tubes, gas supply and discharge headers and a supporting structure of the unit is performed. Connection of heat exchange tubes to a header is made through horizontal and inclined combs; with that, X-shaped edge preparation for welding is made in the horizontal comb; V-shaped edge preparation for welding is made in the inclined comb; the horizontal comb is welded to the header; a rectangular cavity is made on the horizontal comb from the contact point of the comb and the header; the inclined comb is tack welded to the header; a comb installation device is removed; the inclined comb is welded to the header; heat treatment and air cooling is performed; holes are drilled in combs; ends of heat exchange tubes are inserted into holes of the combs; ends of heat exchange tubes are welded in the holes of the combs; heat exchange sections are assembled.

EFFECT: simpler connection of heat exchange tubes and the header.

6 dwg

 

The invention is intended for use in power engineering and can be used in the manufacture of heat exchangers, in particular in the manufacture of air-cooling of the gas.

A method for manufacturing a cooler gas, which provides for the manufacture of heat exchanger tubes, making the frame, at least one heat transfer section with side walls and beams uniting them, the production of the chambers of the gas entry and exit, gasket bundle of heat exchanger tubes, manufacture of manifolds for supplying and discharging gas, the support structure of the apparatus with the supports under the fan motor and Assembly of the components of the apparatus, and each side wall heat transfer section is in the form of a channel bar with shelves facing the heat exchange tubes and placed on the inner wall surface of the channel longitudinally oriented propellants - fairing flow of the cooling medium, forming a stiffener channel, which set the height of the walls of the channel with a step in the axes corresponding to the double step between the rows of tubes in a bundle, wherein at least a portion of the volume of each extreme pipes in series and/or its fins, at least one row when the gasket is slid under the overhang shelf channel of the respective side wall of Teploobmennik�th section of the apparatus, the support under the engine perform each fan pendant consisting of a Central support element and cord, connecting it with the corresponding nodes of the reference design cooler gas (Patent RF №2266493, publ. 20.12.2005).

The closest to the proposed invention the technical essence is a method of manufacturing a cooler gas, which provides for the manufacture and installation of heat exchange sections with cameras inlet and outlet gas and the bundle of heat exchanger tubes, manifolds and outlet of gas and the support structure of the apparatus with the supports under the fan motors, with a support under the engine perform each fan pendant consisting of a Central support element and cord, connecting it with the corresponding nodes of the reference design cooler gas, moreover, the Central support element is in the form of a multi-faceted of the socket having a Central through hole of the support plate under the fan motor and connected with it and with each other forming the side faces of the socket alternating around the perimeter of the supporting and connecting plates, the reference of which is performed with a configuration corresponding to the configuration given to them abutment area of the end portions of the bands, advantages�of n rectangular, and include a base plate with a contact surface with the surface of the base pad end portion of the respective cord and the connecting plate is in the form of pairwise identical trapezoids facing smaller bases to the support platform under the fan motor, and trapezoid of each pair are placed diametrically opposite each other, wherein the Central supporting element is preferably performed on the stocks (Patent RF №2266492, publ. 20.12.2005 - prototype).

A common drawback of the known solutions is the number of intermediate elements between the heat transfer tubes and the collector, duration and multistage connection of heat exchanger tubes and the collector, which causes the appearance of additional resistances to gas flow and reduces the cooling efficiency.

In the proposed method solves the problem of reduced distance from the heat exchange tubes to the manifold, simplify the connection of heat exchanger tubes and the header.

The problem is solved in that in the method of manufacturing of the air cooling device that includes fabrication and installation of heat exchange sections with heat-exchange tubes, manifolds and outlet of gas and the support structure of the apparatus according to the invention the connection of heat exchanger tubes to the collector is performed through a horizontal inconnu combs, in the horizontal comb carry out the holes for connection with the heat transfer tubes in the plane of contact with the commutator perform X-shaped groove weld, in the inclined comb carry out the holes for connection with the heat transfer tubes produce a beveled side surface to the plane of contact with the collector, on the plane of contact with the manifold on the side opposite the bevel, perform V-shaped groove weld, horizontal comb is welded to the manifold, which establish horizontal comb on the collector, grab welding perform welding of the root pass with one hand, perform root pass welding on the reverse side, perform welding the facing seams layers to the cooling of the weld to a temperature of 90°C on the horizontal comb from the place of contact of the comb and the collector performs a rectangular recess, an inclined comb is placed in a fixture for mounting the dies, providing the angle between the dies with the base on the axis of the collector is equal to 35°±30', the angled comb is placed in the fixture by the bevel surface to the horizontal comb, a fixture in contact with a rectangular recess in a horizontal comb, grab welding an angled brush to the manifold, remove the fixture for mounting combs, welded�are inclined comb to the collector, why do the welding of the root pass from the side surface with the bevel, root pass welding on the reverse side, perform welding filling seams and lining seams, heat-treated and air cooling, reams holes in the combs, are inserted into the openings of the dies, the ends of heat exchanger tubes, brewed the ends of heat exchanger tubes in the holes of the dies, collect the heat transfer section, wherein the bevel inclined side surface of the comb and the rectangular recess of the horizontal comb fulfill the conditions of the distance between the dies on the surface of the collector is not less than 20 mm.

Summary of the invention

Assembly of air coolers is very time-consuming. A common drawback of the known solutions is the number of intermediate elements between the heat transfer tubes and the collector, duration and multistage connection of heat exchanger tubes and the collector, which causes the appearance of additional resistances to gas flow and reduces the cooling efficiency. Thus, in the prior art method of fabrication of cooler gas is characterized in that it provides for the manufacture of heat exchanger tubes, making the frame, at least one heat transfer section with side walls and uniting them beam�and, manufacturer of cameras inlet and gas outlet, gasket bundle of heat exchanger tubes, manufacture of manifolds for supplying and discharging gas, the support structure of the apparatus with the supports under the fan motor and Assembly of the components of the apparatus. Each side wall heat transfer section is in the form of a channel bar with shelves facing the heat exchange tubes, and placed on the inner wall surface of the channel longitudinally oriented propellants - fairing flow of the cooling medium, forming a stiffener channel, which set the height of the walls of the channel with a step in the axes corresponding to the double step between the rows of tubes in a bundle, wherein at least a portion of the volume of each extreme pipes in series and/or its fins, at least one row when the gasket is slid under the overhang shelf channel of the respective side wall heat transfer section of the apparatus, the support under the engine perform each fan pendant consisting of a Central support element and cord, connecting it with the corresponding nodes of the reference design cooler gas. The camera input or output gas is produced by performing the blanks from sheet metal for side, top, bottom and end walls and at least two power having openings for the passage through them of the gas flow� walls of the chamber, the subsequent Assembly and connections for welding the side walls with the power dividers and through them to each other to form a single rigid structure, to which are attached upper and lower walls, and then in one of the side walls forming the tube plate, carry out the holes for the ends of the heat exchange tubes, and the other side wall forming an external Board, perform coaxially with the holes in the tube plate threaded holes to allow the introduction of technological tools to secure the ends of the tubes in the tube plate and subsequent installation of plugs mainly on the threaded holes in the outer boards, and the bottom and/or top walls perform hole nozzles mainly with flanges for connection to the collector, respectively, for supplying or discharging gas. Each manifold for supplying or discharging gas is accomplished by the manufacture of at least the intermediate sections of its body with holes for pipes with flanges for connection to the cameras enter or exit gas heat transfer section of the apparatus, the manufacture of end items of the hull in the bottoms of double curvature, as well as the manufacture of flanges mostly in the pipes, Assembly and welding of the housing of the collector by pristykovyvayas the intermediate sections to the Central cylindrical section in the form of a tee with �two coaxially attached to the intermediate cylindrical sections, having a diameter not smaller diameter intermediate sections, areas and adjacent to these areas at the angle of mainly 90° also third cylindrical section for connection to the pipeline, welding to the intermediate sections of the bottoms, and then mounted on the body of the manifold pipes with flanges with fixing flanges on the plane, the angle of rotation and the design of the distance between the flanges with their subsequent accession to the housing, which bore the body of the manifold is mounted on technological supports, at least some of which are performed with two reference planes, arranged at an angle to each other with the possibility of leaning on them housing manifold with a simultaneous touch at least two forming its cylindrical surface, and further fixed to the housing by at least one swivel the clamping element.

Thus, the apparatus according to the prior art contains many elements, parts, components, connected together by welding, threaded, which inevitably reduces the reliability of operation of the apparatus. The total number of parts can be more than 40, and the number of operations for manufacturing the apparatus can reach 50 or more.

In the proposed invention the intermediate chamber and the excluded nodes, the connection elements formed by welding only, interested�the number of elements is minimized and does not exceed 20, and the number of operations for manufacturing the apparatus does not exceed 40. As elements are used, mainly, details, commercially available in the form of pipes, bars, etc.

Fig.1 is a perspective view of the inventive of the air cooling device of Fig.2 - node for supplying and discharging coolant, Fig.3 - side and top view of the comb and the collector of Fig.4 - section b-b of Fig.5 - detailing the collector node after welding, Fig.6 - device for mounting combs.

The air cooling device includes a heat transfer section 1 with the heat transfer tubes 2, 3 collectors inlet 4 and outlet 5 strip and the support structure of the apparatus 6. The connection of heat exchanger tubes 2 with header 3 through 7 horizontal and inclined 8 combs. In the horizontal comb 7 is provided with holes 9 for connection with the heat transfer tubes 2. On the plane of the horizontal pin 10 of the comb 7 to the collector 3 is X-shaped cutting 11 weld 12. In the inclined comb 8 is provided with holes 13 for connection with the heat transfer tubes 2. On the side surface 14 inclined comb 8 has a bevel 15 of the side surface 14 to the plane of the contact 16 to the collector 3. On the plane of the pin 16 from the side 17 opposite to the side surface 14 made V-shaped cutting 18 weld 19. Horizontal comb Pref�Rena to the longitudinal portion of the manifold 3. On the horizontal comb 7 from contact with the reservoir 3 is formed a rectangular recess 20. To the collector 3 is welded angled comb 8. The angle between the dies 7 and 8 with the base on the axis of the collector 3 is equal to α=35°±30'. Inclined comb 8 facing the bevel 15 to the horizontal comb 7. The bevel 15 of the side surface 14 inclined comb 8 and a rectangular recess 20 of the horizontal comb 7 provide the distance "A" between the dies 7 and 8 on the surface of the collector 3 is not less than 20 mm.

The air cooling device is assembled as follows.

Perform fabrication and installation of heat exchange sections 1 with the heat transfer tubes 2, 3 collectors inlet 4 and outlet 5 strip and the support structure of the apparatus 6. As a collector and used 3 large diameter pipe. The connection of heat exchanger tubes 2 to the collector 3 is performed through a horizontal 7 and 8 inclined comb. Each comb 7 and 8 is a metal bar, which drilled the holes 9 and 13 for interfacing with the heat transfer tubes 2. In the horizontal comb 7 is performed openings 9 for connection with the heat transfer tubes 2, in the plane of the contact 10 with header 3 perform X-shaped cutting 11 weld 12. In the inclined comb 8 perform holes 13 for connection with the heat transfer tubes 2, produce the bevel 15 of the side surface�surface 14 to the plane of the contact 16 to the collector 3. On the plane of the pin 16 from the side 17 opposite to the side surface 14, perform V-shaped groove 18 weld 19. Horizontal comb 7 is welded to the collector 3, which sets the horizontal size fits 7 to the collector 3, grab the 12 welding perform welding 12 root on one side for 2-3 pass, perform 12 welding of the root pass from the back side for 2-3 pass, perform welding 12 facing seams for 5-6 passes layers to the cooling of the weld to a temperature of 90°C. On the horizontal comb 7 from the place of contact with the commutator 3 perform milling a rectangular recess 20.

A rectangular recess 20 to perform in advance of the welding is not necessary, because when welding horizontal comb 7 to the collector 3 pre verterbrae rectangular recess 20 would lead to the warping of the comb 7 due to the large volume of weld metal during welding.

The angled comb 8 is placed in the fixture 21 for mounting the dies 7 and 8, providing the angle between the dies 7 and 8 with the base on the axis of the collector 3 is equal to α=35°±30'. The angled comb 8 is placed in the fixture 21 is a bevel 15 to the horizontal comb 7. The fixture 21 are in contact with the rectangular recess 20 of the horizontal comb 7. Grab welding 19 angled brush 8 to the collector 3, remove featu�obline 21, welded angled brush 8 to the collector 3, which perform 19 welding of the root pass from the side of the beveled surface 15, 19 welding of the root pass from the back side, perform welding 19 filling seams and lining seams with the number of layer 4-6. Welded construction thermoablative at a temperature of 600-650°C with an exposure of 1.8-2.0 hours and air cooling, reams holes 9 and 13 in the combs 7 and 8, are inserted into the holes 9 and 13 of the dies 7 and 8, the heat exchanger tubes 2, brewed heat transfer tubes 2 in the holes 9 and 13 and collect heat exchange section 1. When assembling and welding provide the distance "A" between the dies 7 and 8 on the surface of the collector 3 is not less than 20 mm.

The device 21 for mounting the dies 7 and 8, is a team structure with grooves to accommodate the dies 7 and 8, providing immobility combs 7 and 8 in the fixture 21 and the angle α=35°±30'.

The angle α=35°±30' selected on the basis of the condition of minimizing the width of the entire air cooling device.

The distance "A" between the dies 7 and 8 on the surface of the collector 3 is not less than 20 mm are chosen to provide the installation and welding dies while retaining the strength of the whole structure.

The result is the construction of the apparatus with a minimum number of elements, short duration of manufacture and low staging of works.

Example �konkretnogo run

Perform fabrication and installation of cooler gas. The apparatus is designed for condensing the vapor of ammonia in a continuous production process for producing a liquid ammonia. The apparatus is a heat transfer section 1 with the heat transfer tubes 2, header 3 inlet 4 and outlet 5 and gas support structure of the apparatus 6.

As a collector 3 used pipe with an outer diameter of 219 mm and a wall thickness of 45 mm. Connection of heat exchanger tubes 2 with a diameter of 25 mm with manifold 3 is performed through a horizontal 7 and 8 inclined comb. Each comb 7 and 8 is a metal bar with a height of 120 mm, a width of 50 mm and a length of 2500 mm, in which the drilled holes 38 9 39 holes 13 for interfacing with the heat transfer tubes 2. In the horizontal comb 7 is performed openings 9 for connection with the heat transfer tubes 2, in the plane of the contact 10 with header 3 perform X-shaped cutting 11 weld 12. In the inclined comb 8 perform holes 13 for connection with the heat transfer tubes 2, produce the bevel 15 of the side surface 14 to the plane of the contact 16 to the collector 3. The bevel is made on a length of 50 mm and a depth of 5 mm In the plane of the pin 16 from the side 17 opposite to the side surface 14, perform V-shaped groove 18 weld 19. Horizontal comb 7 is welded to the collector 3, DL� what sets the horizontal size fits 7 to the collector 3, grab a 12 welding perform welding 12 root on one side for 2-3 pass, perform 12 welding of the root pass from the back side for 2 - 3 passes, perform welding 12 facing seams for 5-6 passes layers to the cooling of the weld to a temperature of 90°C. On the horizontal comb 7 along its entire length from the point of contact with the commutator 3 perform milling a rectangular recess 20 of a width of 52 mm and a depth of 5 mm Angled comb 8 is placed in the fixture 21 for mounting the dies 7 and 8, providing the angle between the dies 7 and 8 with the base on the axis of the collector 3 is equal to α=35°±30'. The angled comb 8 is placed in the fixture 21 is a bevel 15 to the horizontal comb 7. The fixture 21 are in contact with the rectangular recess 20 of the horizontal comb 7, grab welding 19 angled brush 8 to the collector 3, remove the fixture 21, welded angled brush 8 to the collector 3, which perform 19 welding of the root pass from the side of the beveled surface 15, 19 welding of the root pass from the back side, perform welding 19 filling seams and lining seams with the number of layer 4-6. Welded construction thermoablative at a temperature of 600-650°C with an exposure of 1.9 hours and air cooling, reams holes 9 and 13 in the combs 7 and 8 with the continuation of the holes in the manifold 3, is inserted into the hole 9 � 13 combs 7 and 8, the heat exchanger tubes 2, welded heat exchanger tubes 2 in the holes 9 and 13 to the dies 7 and 8, and collect heat exchange section 1. When assembling and welding provide the distance "A" between the dies 7 and 8 on the surface of the collector 3 is not less than 20 mm.

The assembled air cooler gas has a short path from the heat exchange tubes to the manifold, a simplified connection of heat exchanger tubes and the header.

Application of the proposed method will allow to solve the problem of reducing the path from the heat exchange tubes to the manifold, simplify the connection of heat exchanger tubes and the header.

A method of manufacturing the air cooling device that includes fabrication and installation of heat exchange sections with heat-exchange tubes, manifolds and outlet of gas and the support structure of the apparatus, characterized in that the connection of heat exchanger tubes to the collector is performed through a horizontal and an inclined comb, in a horizontal comb carry out the holes for connection with the heat transfer tubes in the plane of contact with the commutator perform X-shaped groove weld, in the inclined comb carry out the holes for connection with the heat transfer tubes produce a beveled side surface to the plane of contact with the collector, on the plane of contact with the manifold on the side opposite the bevel, perform V-shaped cutting with under�arch horizontal comb is welded to the manifold, which establish horizontal comb on the collector, grab welding perform welding of the root pass with one hand, perform root pass welding on the reverse side, perform facing welding seams layers to the cooling of the weld to a temperature of 90°C on the horizontal comb from the place of contact of the comb and the collector performs a rectangular recess, an inclined comb is placed in a fixture for mounting the dies, providing the angle between the dies with the base on the axis of the collector is equal to 35°±30', the angled comb is placed in the fixture by the bevel surface to the horizontal comb, the fixture in contact with the rectangular recess of the horizontal comb, grab welding an angled brush to the manifold, remove the fixture for mounting combs, welded angled comb to the collector, which perform the welding of the root pass from the side surface with the bevel, root pass welding on the reverse side, perform welding filling seams and lining seams, heat-treated and air cooling, reams holes in the combs, are inserted into the openings of the dies, the ends of heat exchanger tubes, brewed the ends of heat exchanger tubes in the holes combs, collect heat �ecchi, in this case, the slant side surface inclined comb and a rectangular recess horizontal comb fulfill the conditions of the distance between the dies on the surface of the collector is not less than 20 mm.



 

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4 dwg, 19 cl

FIELD: the invention refers to heat-and-power engineering particularly to the rows of heat exchanging tubes and may be used in gas air cooling apparatus.

SUBSTANCE: the tube row of the gas air cooling apparatus consists of finned tubes successively located in a row with spacing in axes making 1,7-3,4 diameter of the body of the tube without taking into consideration the diameter of fins. At that the finning of each tube is fulfilled transversely relatively to the central longitudinal axle of the tube and located under an angle to the mentioned axle. The central longitudinal axes of the tubes are oriented predominantly in parallel and located in a conditioned flatness normal to the vector of the flow of the exterior cooling environment, predominantly air. At that the tubes are located to form the flow in the projection of the mentioned conditioned flatness of aerodynamics shading with various aerodynamics transparency consisting of plots of complete aerodynamics opaque corresponding to projections on the mentioned flatness of the bodies of the tubes without taking the finning into account and the plots of incomplete aerodynamics transparency each limited from one side with a conditioned direct line passing along the tops of the fins and from the other side - with the contour of the body of the tube to the base of the fins. At that the tubes in the row are accepted at the condition according to which correlation on the unit of the square of the mentioned flatness of total square of the mentioned plots with various aerodynamics opaque compose correspondingly (0,25-0,52):(0,29-0,58).

EFFECT: allows to increase thermal aerodynamics characteristics of the tube row of the gas air cooling apparatus and improve conditions for streamlining tubes in the row with the exterior cooling environment and provides increasing thermal effectiveness of the apparatus at minimal metal consuming by the construction.

3 cl, 3 dwg

FIELD: the invention is designed for application in heat exchanging apparatus namely in heat exchanging sections and may be used in air cooling apparatus.

SUBSTANCE: the heat exchanging section of a gas air cooling apparatus has a frame consisting of lateral walls provided with wall displacers of the flow of exterior cooling environment predominantly air, upper and low beams and also chambers with tube plates for inputting and outputting of the cooling gas. In the tube plates the ends of finned heat exchanging tubes are choked up. These tubes develop a multi-row, single passing bundle. AT that each chamber of input and output of gas is located correspondingly on the input and the output of the heat exchanging tubes and together with them a vessel working under pressure. At that the chamber of input or output of gas is formed by corresponding tube plate and the parallel exterior plate which has transparent openings provided with removable corks. These openings are coaxial with the openings in the tube plate and the openings in the tube plates are located in rows at the height of the section with an axial pitch making up (0,95-1,35)-d and with axial pitch in the rows adjacent according the height making (0,91-1,21)-d where d - an exterior diameter of the finning of the heat exchanging tube. At that the openings in each row are displaced on 0,4-0,6 of the pitch from the axles of the openings in the row relatively to the adjacent rows according to the height. The number of the heat exchanging tubes in the direction of the vector of the flow of the exterior cooling environment predominantly air makes from 4 to 14 and in the row the number of the heat exchanging tubes edgewise of the section exceeds in 4-9 times the number of the heat exchanging tubes located in series along the way of the mentioned flow of exterior cooling environment predominantly air.

EFFECT: allows to increase efficiency of heat exchanging at minimum metal consuming in the construction due to optimization of the parameters of heat exchanging elements.

19 cl, 6 dwg

FIELD: the invention is designed for application in the field of heat exchange-and-power engineering namely in heat exchanging apparatus of the type of a gas air cooling apparatus.

SUBSTANCE: the heat exchanging apparatus of the type of a gas air cooling apparatus has an arrangement for drawing off and feeding into the zone of the bundle of heat exchanging tubes of exterior heat exchanging environment fulfilled in the shape of a vessel open from the side of the gables. The vessel is formed in the zone of location of the heat exchanging tubes with the help of lateral and gables walls of the heat exchanging section of the apparatus and a multi-row bundle of heat exchanging tubes. At the input it is fulfilled with multi-mouth section formed by the mouths of the casings of ventilators for feeding the cooling environment . Each of them has a baffle with a round transversal section in the zone of locating the ventilator and a multi angular predominantly rectangular transversal section in the zone adjoining to the heat exchanging section c with at least two opposite edges adjoining to the corresponding contact plots of the lateral walls of the heat exchanging section. AT that the lateral walls from the interior side of the vessel are provided with longitudinal cowl-displacers in the shape of the elements forming in the vessel extensive projections at least on the most part of the length of the interior wall of the vessel and the gables of the vessel are formed with the help of the tube plates of the gas input-output chambers of the heat exchanging section at least at the part of their height making up 0,5-0,85 of the height of the lateral walls. The tube plates are installed as piers of different height in the final ends of the plots of the lateral walls of the vessel. AT that the correlation of the total square of the multi mouth section at the input of the vessel formed with the help of mouths of the casings of the ventilators in the vessel to the square of the section of the vessel at its output makes according to overall dimensions of the vessel ∑Flow:FUPPER=0,42-0,9 and in the flatness of aerodynamic shading formed by the upper row of the bundle of the heat exchanging tubes the mentioned correlation makes 0,51±11,5% where ∑low- total square of the multi mouth input section of the vessel, m2; F upper - the dimension square of the working section of the vessel in its upper part without taking into consideration the aerodynamics shading developed by the heat exchanging tubes of the bundle,m2.

EFFECT: allows to increase efficiency of a gas air cooling apparatus due to constructive decisions of the walls of a vessel securing better aerodynamics of passing of the cooling environment including wall zones of the vessel and also in high adaptability of the system of the vessel to seasonal changes in exterior environment and mass of the cooling gas passing through the heat exchanging tubes of the bundle of the vessel at the expense of optimization of correlation of parameters of passing sections of the vessel and of the whole apparatus.

4 cl, 3 dwg

FIELD: the invention is designed for application in energy engineering namely in the technology of manufacturing and construction of heat exchanging sections of a gas air cooling apparatus.

SUBSTANCE: the mode of manufacturing of a heat exchanging section of a gas air cooling apparatus includes manufacturing predominantly on a loft of the lateral walls of the frame of the

section with wall displacers-cowls of air environment, assembling on a slip with support poles of the elements of the frame of the section - lateral walls, lower transversal beams and gas input-output chambers forming gables of the frame and also of frame rigidity elements with the following packing of the multi-row bundle with single-passing finned heat exchanging tubes with forming with them and the gas input-output chambers of a vessel working under pressure, installation of upper transversal beams and carrying out hydraulic tests of the assembled section. At that the terminal poles of the slip are executed with locating their leaning sites at different levels with height difference making ( 1,1-4,6)d, where d - an interior diameter of a tube of the bundle and at assembling the frame the gas input-output chambers are installed on the final poles of the slip.

The heat exchanging section of the gas air cooling apparatus is fabricated in accord with above indicated mode. The mode of manufacturing of the heat exchanging section of the gas air cooling apparatus includes manufacturing on the loft of the lateral walls of the frame of the section with wall dispersers-cowls of air environment, and also elements of rigidity of the frame, assembling on the loft with support poles of the elements of the frame - lateral walls , lower transversal beams and forming gables of the walls of the frame of the chambers of input-output of the gas and also of the elements of rigidity of the frame with following packing of the multi-row bundle out of single-passing finned heat exchanging tubes forming with their help and the gas input-output chambers of a vessel working under pressure, installation of upper transversal beams and carrying out of hydraulic tests of the assembled section. At that the low and the upper transversal beams of the frame of the section are installed along the length of the lateral walls with spacing overall of height marks, equal (0,12-),51)d, where d - an interior diameter of the tube of the bundle and cuts of different height predominantly for dimensions of the transversal section of the chambers are made for installation of gas input-output chambers on the final plots of the lateral walls in the upper belt and the overall part of the height of the walls. The heat exchanging section of the gas air cooling apparatus is characterized with the fact that it is manufactured in accord with this mode.

EFFECT: allows to increase manufacturability of fabricating of the heat exchanging sections at simultaneous lowering of metal consuming of construction, simplification of the process of fabricating and lowering labor-intensiveness.

13 cl, 10 dwg .

FIELD: the invention is designed for application in energy engineering and namely is used for manufacturing of heat exchanging equipment particular for gas air cooling apparatus.

SUBSTANCE: the mode of manufacturing of a tube chamber of the gas air cooling apparatus or a section of the gas air cooling apparatus fabrication of half-finished articles out of metallic sheet for lateral, upper, lower and butt-ends walls and for no less than two power bulkheads of the tube chamber with openings for passing of a gas flow. At that the length of the half-finished articles for lateral walls are fulfilled correspondingly the width of the apparatus or of the section of the apparatus. All half-finished articles are fabricated for the lateral walls with fulfilling chamfers for welding. At that at least the chamfers on the half-finished articles for the lateral walls forming the tube and the exterior plates of the chamber and also the chambers on upper and lower walls are fulfilled of broken configuration in the transversal section with forming support regions and edges of a welding mouth with a technological angle of opening-out 41-53°. After fabrication of half-finished articles an in series assembling and connection on welding of lateral walls with power bulkheads are executed and trough them a united rigid construction to which the upper and the lower walls are connected is formed. After that in one of the lateral wall forming a tube plate openings for the ends of the heat exchanging tubes openings are made and in the other lateral wall forming an exterior plate threading openings coaxial with the openings in the tube plate are fulfilled for providing possibilities of introduction of technological instruments for fixing the ends of the tubes in the tube plate and the subsequent installation of caps predominantly along the thread in the openings of the exterior plate and in the upper and/or in the upper walls openings for sleeves predominantly with flanges for connection with a collector of feeding or for offsetting of gas are fulfilled. At that the power bulkheads are installed in a high range making up ±1/4 of the high of the chamber counting from medium horizontal flatness along the height of the chamber, and the gables of the chamber are mounted after installation and fixing of the ends of the heat exchanging tubes of the chamber.

The tube chamber of the gas air cooling apparatus or the section of the gas air cooling apparatus, the gas input chamber of the gas air cooling apparatus or the section of the gas air cooling apparatus and the gas output chamber of the gas air cooling apparatus or of the section of the gas air cooling apparatus are manufactured in accord with the above indicated mode.

EFFECT: allows to decrease the labor-intensiveness of the mode, increase manufacturability of the measuring chambers and improve their strength characteristics and thermal efficiency.

15 cl, 8 dwg

FIELD: the invention is designed for application in energy engineering namely it may be used at manufacturing of heat exchanging apparatus particularly for manufacturing of heat exchanging sections of gas air cooling apparatus.

SUBSTANCE: the mode of manufacturing of a heat exchanging section of a gas air cooling apparatus envisages manufacturing and assembling of a frame of a heat exchanging section, a chamber of input and a chamber of output of cooling gas with upper, lower walls, lateral walls forming correspondingly tube and exterior plates with openings, gables and at least one power bulkhead, assembling the walls of the heat exchanging section with wall dispersers-cowls of the flow of the exterior cooling environment predominantly of air, packing the heat exchanging section with a bundle of heat exchanging finned, single passing tubes with their installation in the heat exchanging section in rows along the height with dividing the rows with elements on different distances and fixing the ends of the tubes in the openings of the tube plates. At that the number n on a meter of the width of the transversal section of the bundle of the heat exchanging tubes is taken out of condition where FT - arelative total square of the heat exchanging surface of the bundle of finned tubes falling on 1 m2 of the square of the transversal section of the flow of the heat exchanging environment predominately of air taken in the diapason 72,4<FT < 275,8, a stretched magnitude; D1- a diameter of a heat exchanging tube with finning, m; D2 -a diameter of the same heat exchanging tube without finning, m; Δ -the thickness of the fin of the finning or an average thickness of a fin, m; Β - a pitch of the fin of the tube, m.

EFFECT: allows to decrease labor-intensiveness of manufacturing and assembling of a heat exchanging section of the gas air cooling apparatus at simultaneous increasing of heat exchanging effectiveness and manufacturability due to optimization of the quantity of heat exchanging tubes in a bundle and as a result of mass of elements of the chamber of input and of the chamber of output of gas namely tube and exterior plates, optimal number of openings in which their mass is decreased at simultaneous security of demanded solidity and longevity of separate elements of a heat exchanging section and as a result of the whole gas air cooling apparatus.

5 cl, 7 dwg

FIELD: the invention is designed for application in energy engineering and namely may be used at manufacturing of heat exchanging apparatus particularly at manufacturing of gas air cooling apparatus.

SUBSTANCE: the mode of manufacturing of a gas air cooling apparatus envisages manufacturing and mounting of heat exchanging sections with chambers of input and output of gas and with a bundle of heat exchanging finned tubes, collectors of input and output of gas and supporting construction of the apparatus with supports for the engines of the ventilators. At that the support for the engine of each ventilator is made suspended consisting of a central supporting element and tension bars connecting it with corresponding bundles of the supporting construction of the gas air cooling apparatus. At that the central supporting element is fulfilled in the shape of a many-sided socket with a supporting site with a central transparent opening for the engine of the ventilator and connected with it and between themselves the supporting and connecting plates forming lateral edges of the socket interchanging along its perimeter supporting and connecting plates. The supporting plates are fulfilled with configuration corresponding to the configuration of supporting sites of tension bars of end plots predominantly rectangular inverted to them, the supporting plates are located with possibility to contact along its surface with the surface of the supporting site of the end plot of corresponding tension bar. The connecting plates are fulfilled in the shape of pairs of identical trapezes inverted with their smaller foundations to the supporting site for the engine of the ventilator. At that the trapeze of each pair is located diametrically opposite to each other and the central supporting element is fulfilled preferably on the slip.

EFFECT: allows to increase manufacturability of the gas air cooling apparatus, to simplify the assembling of its elements at simultaneous decreasing of men-hours and material consumption and increase reliability and longevity of the manufactured construction due to simplification of manufacturing of supports for the engines of the ventilators and the supporting construction of the apparatus as a whole and using for manufacturing of the elements of the apparatus of the technological rigging developed in the invention that allows to increase accuracy of assembling and to reduce labor-intensiveness.

15 cl, 13 dwg

FIELD: the invention is designed for application in energy engineering and namely may be used at manufacturing of gas air cooling apparatus.

SUBSTANCE: the mode of manufacturing of gas air cooling apparatus envisages manufacturing of heat exchanging finned tubes, manufacturing of a frame, at least one heat exchanging section with lateral walls and interconnecting beams, manufacturing of chambers of input and output of gas, packing the bundle of heat exchanging tubes, manufacturing of collectors of input and output of gas, a supporting construction for the apparatus with supports for the engines of the ventilators and assembling of the elements of the apparatus. At that each lateral wall of the heat exchanging section is fulfilled in the shape of a channel with shelves inverted to the heat exchanging tubes and located on the interior surface of the channel's wall longitudinally oriented by dispersers-cowls of the flow of cooling environment forming the channel's ribs of rigidity which are installed in accord with the height of the channel's wall with a pitch in the axles corresponding to the double pitch between the rows of the tubes in the bundle. At that at least part of the volume of each marginal tube in the row and/or its finning is placed at least in a row under the overhang of the channel's shelf corresponding to the lateral wall of the heat exchanging section of the apparatus. At that the support for the engine of each ventilator consisting out of a central supporting element and tension bars is fulfilled suspended connecting it with corresponding bundles of the supporting construction of the gas air cooling apparatus.

EFFECT: allows to increase manufacturability of assembling the apparatus and its elements at simultaneous decreasing of labor and consumption of materials and increasing thermal technical efficiency of the heat exchanging sections and reliability of the apparatus in the whole due to manufacturing walls of heat exchanging sections allowing to use to optimum the heat exchanging volume of the section and to optimize the feeding of the exterior cooling environment to the tubes at the expense of reducing energy waists for feeding the exterior cooling environment with excluding the necessity in reverse cross-flows in the wall zones of the chambers and combining of functions of the chambers' elements providing the indicated thermal technical effect and simultaneously increasing rigidity of the frame of the heat exchanging sections.

13 dwg, 23 cl

FIELD: heating.

SUBSTANCE: invention relates to heat engineering. The proposed device allows heat exchange between fluid medium and gas and comprises the casing, at least, one flat screen carcass made up of several heat-conducting-material capillaries arranged in parallel and equidistant relative to each other, and several heat-conducting-material wires connected to aforesaid capillaries to transfer heat via metal contacting, and pass at equal distance and crosswire relative to capillaries. The distance between wires approximates to that of their diametre. Gas flows along the wires to transfer heat to fluid medium that flows in capillaries, through capillary walls and via wires. The heat exchanger design allows the gas flowing along each screen carcass, lengthwise relative to the wires, and prevents flowing of a notable amount of gas through screen carcasses. The hothouse comprises soil surface with plants arranged thereon or in bearing pots, cultivation chute and, at least one heat exchanger. Note here that one gas inlet or outlet holes is located above leaf surface, while the other one is located below the said level, or both holes are located within the limits of the said surface. At least one heat exchanger purifies air. Several heat exchangers make the central heating system. Thermal pump system incorporates the heat exchanger.

EFFECT: higher efficiency and simplified servicing.

28 cl, 11 dwg

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