CN101532757A - A parallel flow type shell-pipe heat exchanger - Google Patents
A parallel flow type shell-pipe heat exchanger Download PDFInfo
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- CN101532757A CN101532757A CN200910300714A CN200910300714A CN101532757A CN 101532757 A CN101532757 A CN 101532757A CN 200910300714 A CN200910300714 A CN 200910300714A CN 200910300714 A CN200910300714 A CN 200910300714A CN 101532757 A CN101532757 A CN 101532757A
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Abstract
The invention relates to the field of heat exchanger technology, specifically to a parallel flow type shell-pipe heat exchanger which takes parallel flow flat pipe as heat exchange component and has high heat exchange effect. The shell-pipe heat exchanger includes a shell, end covers, refrigerant imported pipes, refrigerant exit tubes, cooling water imported pipes, cooling water exit tubes, which is characterized in that both ends of the shell are respectively provided with an end cover, the two end covers and the shell form a containing space, a fixed plate is respectively provided at both ends of the containing space, a plurality of guide plates are provided between the fixed plates, flat pipe ducts are provided on the guide plates and the fixed plates, parallel flow flat pipes are penetrated and provided in the flat pipe duct, a through groove is provided between each guide plate and the shell, the through groove position of two adjacent guide plates are in symmetric distribution along the vertical axis central line of the end covers of the shell.
Description
Technical field
The present invention relates to a kind of technical field of heat exchangers, relate in particular to a kind of parallel stream flat pipe of using, have the parallel flow type shell-pipe heat exchanger of high heat exchange effect as heat exchanger components.
Background technology
Shell and tube exchanger is widely used in fields such as air-conditioning, chemical industry, biology and food, and by one group thin heat exchange pipe, a bigger housing be distributed in a plurality of deflectors of enclosure interior, and the end cap that is connected the housing two ends is formed.The heat exchange pipe is along the housing axially-aligned, and wherein the dividing plate at every heat exchange pipe and housing two ends all adopts and expands connection and be fixed on the dividing plate.At the enclosure interior of two endplates a plurality of deflectors that distribute, so that cooling water and the abundant heat exchange of heat exchange pipe.Cold-producing medium flows in the heat exchange pipe, flows in the shell of cooling water outside heat exchanger tube and utilizes the heat transfer temperature difference of heat exchange pipe to carry out exchange heat.The exchange capability of heat of the shell and tube exchanger of this structure is relatively poor, and difficulty is installed in limited space, the structure more complicated, and product technology manufacture difficulty height, the refrigerant filling quantity is more.Heat exchanger kind on the market is more, and characteristics are respectively arranged.
As application number is that 200710191219 inventions and the patent No. are that the utility model of ZL200720131234 discloses a kind of case tube heat exchanger, comprise package, the end cap at the axial two ends of package, package inside is provided with and a plurality of tube banks of package axially parallel and the tube sheet that is connected with the tube bank two ends, end cap is provided with tube side import and tube side outlet, shell is provided with shell side import and shell side outlet, each parts of case tube heat exchanger adopt commaterial, the welding process of case tube heat exchanger fixes the position then and carries out the overall vacuum soldering at first superscribing scolder at each parts place to be welded.Air-tightness is better, lighter weight, and each parts thermal coefficient of expansion is close, and the shell inner structure of this structure is different with the present invention.
As the patent No. a kind of heat exchanger that has been the ZL200610132498.2 disclosure of the Invention, comprise some U-shaped pipes with two straight parallel tube portions and a plurality of in this straight-tube portion upper edge its fins set of vertically arranging at certain intervals, be connected by elbow or other connector between the U-shaped pipe, elbow or other connector are to be made by the aluminum or aluminum alloy material, are provided with copper capping layer at its outer wall.The inwall of elbow or other connector also can be provided with copper capping layer.This is invented mainly compared with prior art, and the present invention mainly provides U-shaped pipe and the fins set of being made by the aluminum or aluminum alloy material.
And for example application number provides a kind of shell-and-tube heat exchanger for 200810198425 invention.The tube sheet, the two ends tube sheet that comprise housing, housing two ends are connected with the both sides end cap respectively, be provided with heat exchanger tube and deflection plate between two tube sheets, deflection plate is provided with pore, the pore that heat exchanger tube passes on the deflection plate is fixed between two tube sheets, pore evenly sets in a row, and be communicated with the formation opening in twos, opening and pore are overlapping; Deflection plate is the full circle shape, the opening on preceding deflection plate and the opening on next piece deflection plate be 90 ° vertical.The short circuit shunting phenomenon that the present invention avoids flow media to form in housing can make water cleaning pollution-free.
Summary of the invention
It is poor to the objective of the invention is in order to solve existing heat exchanger exchange capability of heat, difficulty is installed in limited space, the structure more complicated, product technology manufacture difficulty height, the problem that the refrigerant filling quantity is more, cost is high provides a kind of compact conformation, the heat exchange property height, it is few that product technology simply reaches the refrigerant filling quantity, the parallel flow type shell-pipe heat exchanger energy-conservation, that cost is low.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: this parallel flow type shell-pipe heat exchanger, comprise housing, end cap, the refrigerant inlet pipe, the refrigerant outlet pipe, the cooling water inlet pipe, cooling water outlet pipe, it is characterized in that described housing two ends are respectively equipped with end cap, two end cap and housing form an accommodation space, a fixed head is established at two ends at this accommodation space respectively, be provided with some deflectors between two fixed heads, fixed head and deflector are provided with the flat tube groove, wear parallel stream flat pipe in the flat tube groove, all be provided with groove between every deflector and the housing, the groove position between adjacent two deflectors is symmetrically distributed with the longitudinal axis center line of housing along two end cap.
As preferably, described parallel stream flat pipe vertically is arranged on fixed head and the deflector in parallel to each other, and communicates with refrigerant inlet pipe and refrigerant outlet pipe respectively at the two ends of accommodation space.Its distance each other of parallel stream flat pipe cloth postpone has made full use of accommodation space greatly about 1～3 times of flat tube.
As preferably, described every fixed head is provided with several flat tube groove, is parallel to each other between several the flat tube groove, and the flat tube groove is corresponding one by one on two fixed heads, and corresponding a pair of flat tube groove vertically wears same section parallel stream flat pipe.
As preferably, described deflector is provided with several flat tube groove, is parallel to each other between several the flat tube groove, and the flat tube groove on some deflectors is corresponding one by one, and corresponding one group of flat tube groove vertically wears same section parallel stream flat pipe.The core body of forming to the parallel stream flat tube side-by-side to the flat tube groove from fixed head, deflector on the whole, it is to be parallel to each other and corresponding one by one that flat tube groove on fixed head, the deflector all has, be successively from the end cap of an end when parallel stream flat pipe wears, intert by adjacent sequential, end cap to the other end ends, and the outlet at two ends is joined with refrigerant inlet pipe and refrigerant outlet pipe more certainly.The parallel stream flat pipe size is suitable mutually with the size of flat tube groove, and is convenient in order to intert, available suitable gap.
As preferably, described housing comprises U-shaped shell, shrouding, and U-shaped shell, shrouding are provided with some locating slots, and each locating slot cooperates with two fixed heads and some deflectors.Locating slot in manufacturing process, play divide equally, positioning and fixing plate and deflector usefulness, bring convenience to assembling.
As preferably, described two fixed heads do not have the gap and cooperate with U-shaped shell, shrouding four limits, and some deflectors do not have the gap and cooperate with U-shaped shell, shrouding three limits.All be provided with locating slot on U-shaped shell, the shrouding, be that sealing is gapless between upper and lower two fixed heads and the housing, the passage of cooling water is left in some deflector compartment of terrains of mid portion, for cooling water can be passed through with the longest distance, keep the groove place yes each other distance farthest, no matter be circular shell or polygon housing.
As preferably, described refrigerant inlet pipe, refrigerant outlet pipe are located on the two end cap respectively.In cold-producing medium when turnover, is all in the space of end cap and fixed head composition.
As preferably, described cooling water inlet pipe and cooling water outlet pipe are arranged on the side of housing, wherein the cooling water inlet pipe is located between the deflector of lower end cap and foot, and cooling water outlet pipe is located between the deflector of top end cap and topmost.Can select a longest distance to pass through this heat exchanger core body as aforesaid cooling water.What deserves to be mentioned is that this cold-producing medium turnover pipe of the present invention and cooling water turnover pipe make cold-producing medium and cooling-water flow form reflux type, have strengthened the heat exchange effect.
As preferably, described parallel stream flat pipe inside is provided with a plurality of microchannels for the cold-producing mediums circulation, the shape of this microchannel or rectangle or triangle or circle.The inner a plurality of microchannels that are provided with of this flat heat exchange tube spare make refrigerant fully heat exchange in passage, and the refrigerant filling quantity is also less simultaneously, and the flat tube dischargeable capacity obtains reasonable use, have strengthened the exchange capability of heat of entire product.
As preferably, the surface of described fixed head, deflector, housing is with the aluminium alloy scolder, and the material of parallel stream flat pipe, housing, fixed head, deflector is aluminium alloy or copper material, carries out the overall vacuum soldering between each parts.After fixedly assembling the position, integral body is carried out vacuum brazing, once is welded into, and air-tightness is good and reduce the manufacturing cost of product.
Therefore, the present invention is a kind of reasonable in design, can effectively improve the contact area of condenser and water tank, improves the heat exchange amount, and the refrigerant filling quantity is few, the parallel flow type shell-pipe heat exchanger energy-conservation, that cost is low.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the A-A structural representation of Fig. 1 of the present invention.
Fig. 3 is the partial schematic sectional view of Fig. 1 of the present invention.
Fig. 4 is a fixed head structural representation of the present invention.
Fig. 5 is a deflector structure schematic diagram of the present invention.
Among the figure: 1. refrigerant inlet pipe, 2. end cap, 3. fixed head, 4. cooling water outlet pipe, 5. housing, 6. deflector, 7. parallel stream flat pipe, 8. shrouding, 9. cooling water inlet pipe, 10. refrigerant outlet pipe, 11, flat tube groove, 12. grooves, 13. locating slots.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Referring to Fig. 1, the parallel flow type shell-pipe heat exchanger of present embodiment, comprise a housing 5, two end caps 2, a refrigerant inlet pipe 1, a refrigerant outlet pipe 10, cooling water inlet pipe 9, a cooling water outlet pipe 4, its middle shell 5 comprises U-shaped shell, shrouding 8, U-shaped shell, shrouding 8 are provided with some the locating slots 13 that are parallel to each other, each locating slot 13 is used for not having the gap with two fixed heads 3 and some deflectors 6 and cooperates, and carries out vacuum brazing when the time comes again; The two end cap 2 that is parallel to each other is separately positioned on the two ends of housing 5, and two end cap 2 forms an accommodation space with housing 5 like this.
Two ends at this accommodation space, establish a fixed head that is parallel to each other 3 respectively in the inboard of two end cap 2, fixed head 3 is formed a space again with end cap 2, some deflectors 6 also just are located between two fixed heads 3, as shown in Figure 3, fixed head 3 and deflector 6 are provided with flat tube groove 11, as Fig. 4, shown in Figure 5, flat tube groove 11 on every fixed head 3 and the every deflector 6 all is parallel to each other, and two flat tube groove 11 on the fixed head 3 corresponding one by one, corresponding a pair of flat tube groove 11 vertically is to wear same section parallel stream flat pipe 7, vertically is two end cap line direction; Equally, the flat tube groove 11 on the deflector 6 is also corresponding one by one, and corresponding one group of flat tube groove 11 vertically wears same section parallel stream flat pipe 7; Simultaneously, each the flat tube groove 11 on the deflector 6 all with fixed head 3 on flat tube groove 11 corresponding one by one, and wear same section parallel stream flat pipe 7.
Be understood that parallel stream flat pipe 7 vertically also is to be arranged in parallel to each other on fixed head 3 and the deflector 6, and join with refrigerant inlet pipe 1 and refrigerant outlet pipe 10 respectively at the two ends of accommodation space.
As shown in Figure 2, wear parallel stream flat pipe 7 in the flat tube groove 11, all be provided with place's groove 12 between every deflector 6 and the housing 5, groove 12 positions that adjacent two deflectors are 6 are symmetrically distributed with the longitudinal axis center line of housing 5 along two end cap 2, realize this scheme, as long as two fixed heads 3 do not have the gap and cooperate with U-shaped shell, shrouding 8 four limits, some deflector 6 does not have the gap and cooperates with U-shaped shell, shrouding 8 three limits, stay a groove 12, the purpose of distribution groove 12 is that the stroke that allows cooling water be walked in the container of accommodation space is the longest like this, to reach best heat exchange effect.
Cooling water inlet pipe 9 and cooling water outlet pipe 4 are opened on the side of housing 5, and wherein cooling water inlet pipe 9 is located between a lower end cap and the bottom deflector, and cooling water outlet pipe 4 is located between the deflector of top end cap and topmost.
Parallel stream flat pipe 7 inside are provided with a plurality of microchannels for cold-producing mediums circulations, and the shape of this microchannel can multiple shape, as rectangle, triangle, circular or the like.
During making, at the surperficial additional aluminium solder of fixed head 3, deflector 6, housing 5, the material selection aluminium alloy of parallel stream flat pipe 7, housing 5, fixed head 3, deflector 6 carries out the overall vacuum soldering between each parts of assembling back.
Form core body by fixed head 3, deflector 6 and parallel stream flat pipe 7, by the certain size position deflector 6 is set between the fixed head 3, like this space between the fixed head 3 is divided into some compartments, make and carry out heat exchange between cooling water and the parallel stream flat pipe 7.Cold-producing medium enters in the end cap 2 by refrigerant inlet pipe 1, and cold-producing medium accumulates in by parallel stream flat pipe 7 in the end cap 2 of the other end under the stopping of fixed head 3, is finally discharged by refrigerant outlet pipe 10.Equally, cooling water carries out exchange heat with parallel stream flat pipe in the cooling water inlet pipe enters first compartment, and cooling water can contact and carry out exchange heat fully with parallel stream flat pipe 7 under the obstruct of deflector.Cooling water in the compartment flows into second compartment and carries out exchange heat with parallel stream flat pipe 6 by the interval that forms between deflector 6 and the U shell 5.Postpone it, cooling water is flowed out by cooling water outlet pipe.Cold-producing medium and cooling water are set to reflux type, thereby strengthen the heat exchange effect of heat exchanger more.
The foregoing description is to explanation of the present invention, is not limitation of the invention, any structure after the simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (10)
- [claim 1] a kind of parallel flow type shell-pipe heat exchanger, comprise housing, end cap, the refrigerant inlet pipe, the refrigerant outlet pipe, the cooling water inlet pipe, cooling water outlet pipe, it is characterized in that described housing (5) two ends are respectively equipped with end cap (2), two end cap (2) forms an accommodation space with housing (5), establish a fixed head (3) respectively at the two ends of this accommodation space, be provided with some deflectors (6) between two fixed heads (3), fixed head (3) and deflector (6) are provided with flat tube groove (11), wear parallel stream flat pipe (7) in the flat tube groove (11), all be provided with groove (12) between every deflector (6) and the housing (5), groove (12) position between adjacent two deflectors (6) is symmetrically distributed with the longitudinal axis center line of housing (5) along two end cap (2).
- [claim 2] a kind of parallel flow type shell-pipe heat exchanger according to claim 1, it is characterized in that described parallel stream flat pipe (7) vertically is arranged on fixed head (3) and the deflector (6) in parallel to each other, and communicate with refrigerant inlet pipe (1) and refrigerant outlet pipe (10) respectively at the two ends of accommodation space.
- [claim 3] a kind of parallel flow type shell-pipe heat exchanger according to claim 1 and 2, it is characterized in that described every fixed head (3) is provided with several flat tube groove (11), be parallel to each other between several the flat tube groove (11), it is corresponding one by one that two fixed heads (3) are gone up flat tube groove (11), and corresponding a pair of flat tube groove (11) vertically wears same section parallel stream flat pipe (7).
- [claim 4] a kind of parallel flow type shell-pipe heat exchanger according to claim 1 and 2, it is characterized in that described deflector (6) is provided with several flat tube groove (11), be parallel to each other between several the flat tube groove (11), flat tube groove (11) on some the deflectors (6) is corresponding one by one, and corresponding one group of flat tube groove (11) vertically wears same section parallel stream flat pipe (7).
- [claim 5] a kind of parallel flow type shell-pipe heat exchanger according to claim 1, it is characterized in that described housing (5) comprises U-shaped shell, shrouding (8), U-shaped shell, shrouding (8) are provided with some locating slots (13), and each locating slot (13) cooperates with two fixed heads (3) and some deflectors (6).
- [claim 6] a kind of according to claim 1 or 5 parallel flow type shell-pipe heat exchanger, it is characterized in that described two fixed heads (3) do not have the gap and cooperate with U-shaped shell, shrouding (8) four limits, some deflectors (6) do not have the gap and cooperate with U-shaped shell, shrouding (8) three limits.
- [claim 7] a kind of parallel flow type shell-pipe heat exchanger according to claim 1 and 2 is characterized in that described refrigerant inlet pipe (1), refrigerant outlet pipe (10) are located at respectively on the two end cap (2).
- [claim 8] a kind of according to claim 1 or 5 parallel flow type shell-pipe heat exchanger, it is characterized in that described cooling water inlet pipe (9) and cooling water outlet pipe (4) are arranged on the side of housing (5), wherein cooling water inlet pipe (9) is located between the deflector of lower end cap and foot, and cooling water outlet pipe (4) is located between the deflector of top end cap and topmost.
- [claim 9] a kind of parallel flow type shell-pipe heat exchanger according to claim 1 and 2 is characterized in that described parallel stream flat pipe (7) inside is provided with a plurality of microchannels for the cold-producing medium circulation, the shape of this microchannel or rectangle or triangle or circle.
- [claim 10] a kind of parallel flow type shell-pipe heat exchanger according to claim 1, the surface that it is characterized in that described fixed head (3), deflector (6), housing (5) is with the aluminium alloy scolder, the material of parallel stream flat pipe (7), housing (5), fixed head (3), deflector (6) is aluminium alloy or copper material, carries out the overall vacuum soldering between each parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910300714A CN101532757A (en) | 2009-03-06 | 2009-03-06 | A parallel flow type shell-pipe heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910300714A CN101532757A (en) | 2009-03-06 | 2009-03-06 | A parallel flow type shell-pipe heat exchanger |
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| Publication Number | Publication Date |
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| CN101532757A true CN101532757A (en) | 2009-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910300714A Pending CN101532757A (en) | 2009-03-06 | 2009-03-06 | A parallel flow type shell-pipe heat exchanger |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345947A (en) * | 2011-08-26 | 2012-02-08 | 郑引河 | Energy-saving multiplier and cooling multiplying method for the same |
| CN102384607A (en) * | 2011-10-29 | 2012-03-21 | 张翔 | Cooling evaporation device with microchannels |
| CN103673729A (en) * | 2013-12-03 | 2014-03-26 | 上海热泰能源技术有限公司 | Labyrinth distributor |
| CN104101235A (en) * | 2014-07-31 | 2014-10-15 | 洛阳明远石化技术有限公司 | Tube-sheet heat exchanger |
| CN104633694A (en) * | 2015-02-03 | 2015-05-20 | 上海齐耀热能工程有限公司 | Plate air preheater with fully-glass-lined channel |
| CN104110753B (en) * | 2014-05-30 | 2017-03-08 | 美的集团武汉制冷设备有限公司 | Air conditioner room unit |
| CN107062947A (en) * | 2017-04-28 | 2017-08-18 | 浙江大学 | A kind of micro-channel heat exchanger and the vascular refrigerator with the micro-channel heat exchanger |
-
2009
- 2009-03-06 CN CN200910300714A patent/CN101532757A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345947A (en) * | 2011-08-26 | 2012-02-08 | 郑引河 | Energy-saving multiplier and cooling multiplying method for the same |
| CN102384607A (en) * | 2011-10-29 | 2012-03-21 | 张翔 | Cooling evaporation device with microchannels |
| CN103673729A (en) * | 2013-12-03 | 2014-03-26 | 上海热泰能源技术有限公司 | Labyrinth distributor |
| CN103673729B (en) * | 2013-12-03 | 2016-06-29 | 上海热泰能源技术有限公司 | Labyrinth distributor |
| CN104110753B (en) * | 2014-05-30 | 2017-03-08 | 美的集团武汉制冷设备有限公司 | Air conditioner room unit |
| CN104101235A (en) * | 2014-07-31 | 2014-10-15 | 洛阳明远石化技术有限公司 | Tube-sheet heat exchanger |
| CN104633694A (en) * | 2015-02-03 | 2015-05-20 | 上海齐耀热能工程有限公司 | Plate air preheater with fully-glass-lined channel |
| CN104633694B (en) * | 2015-02-03 | 2017-06-06 | 上海齐耀热能工程有限公司 | The plate air preheater of full enamel passage |
| CN107062947A (en) * | 2017-04-28 | 2017-08-18 | 浙江大学 | A kind of micro-channel heat exchanger and the vascular refrigerator with the micro-channel heat exchanger |
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Open date: 20090916 |