CN220959739U - Combined gas-liquid heat exchanger - Google Patents
Combined gas-liquid heat exchanger Download PDFInfo
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- CN220959739U CN220959739U CN202322712854.XU CN202322712854U CN220959739U CN 220959739 U CN220959739 U CN 220959739U CN 202322712854 U CN202322712854 U CN 202322712854U CN 220959739 U CN220959739 U CN 220959739U
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- 239000007788 liquid Substances 0.000 title claims abstract description 153
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000009833 condensation Methods 0.000 description 9
- 230000005494 condensation Effects 0.000 description 9
- 238000004891 communication Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010819 recyclable waste Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a combined gas-liquid heat exchanger, which comprises a shell, wherein a first heat exchange chamber and a second heat exchange chamber are arranged in the shell, the first heat exchange chamber is sequentially communicated with the second heat exchange chamber in the flow direction of shell side heat exchange medium, a first heat exchange plate group is arranged in the first heat exchange chamber, and a second heat exchange plate group and a heat exchange tube group are sequentially arranged in the second heat exchange chamber; the first heat exchange plate group, the second heat exchange plate group and the heat exchange tube group are respectively provided with a heat exchange channel, and tube side heat exchange medium can enter the heat exchange channels to exchange heat with shell side heat exchange medium; the heat exchange channels of the second heat exchange plate group are sequentially communicated with the heat exchange channels of the first heat exchange plate group in the flow direction along the tube side heat exchange medium; the utility model has the advantages of lower equipment cost, smaller occupied space and higher heat exchange efficiency, and can effectively reduce the comprehensive cost of the heat exchanger.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to a combined gas-liquid heat exchanger.
Background
According to investigation, the total waste heat resources of each industry account for 17% -67% of the total fuel consumption, and the recyclable waste heat resources are about 60% of the total waste heat resources. Currently, many mechanical devices produce a large amount of exhaust gas (flue gas) during operation.
In the prior art, when waste heat recovery is performed on heat in waste gas, a gas-liquid heat exchanger is often adopted. However, the conventional gas-liquid heat exchanger has the problems of low heat exchange efficiency, more occupied space of the whole machine and higher cost, and is not beneficial to reducing the industrial comprehensive cost of the heat exchanger.
Disclosure of utility model
In view of the above, the utility model aims to provide a combined gas-liquid heat exchanger so as to solve the problems of low heat exchange efficiency, more occupied space of the whole machine and higher cost of the gas-liquid heat exchanger in the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
The combined gas-liquid heat exchanger comprises a shell, wherein a first heat exchange chamber and a second heat exchange chamber are arranged in the shell, the first heat exchange chamber and the second heat exchange chamber are sequentially communicated in the flow direction of shell side heat exchange medium, a first heat exchange plate group is arranged in the first heat exchange chamber, and a second heat exchange plate group and a heat exchange tube group are sequentially arranged in the second heat exchange chamber; the first heat exchange plate group, the second heat exchange plate group and the heat exchange tube group are provided with heat exchange channels, and tube side heat exchange media can enter the heat exchange channels to exchange heat with shell side heat exchange media; and in the flowing direction of the heat exchange medium along the tube side, the heat exchange channels of the second heat exchange plate group are sequentially communicated with the heat exchange channels of the first heat exchange plate group, and the heat exchange channels of the heat exchange tube group are sequentially communicated with the heat exchange channels of the first heat exchange plate group.
Further, the first heat exchange plate group and the second heat exchange plate group both comprise heat exchange plates, for any one heat exchange plate, a medium flow channel is arranged in the plate body of the heat exchange plate, and collecting pipes are arranged at two ends of the plate body and are communicated with the medium flow channel; the heat exchange tube group includes heat exchange tubes.
Further, in the up-down direction, any two adjacent heat exchange plates are stacked; in the front-rear direction, a gas flow passage is formed between any one heat exchange plate and the heat exchange plate adjacent to the front-rear.
Further, in the front-rear direction, a support member is provided between any adjacent two heat exchange plates.
Further, the combined gas-liquid heat exchanger comprises a first liquid inlet pipe box, a first liquid outlet pipe box, a second liquid inlet pipe box and a second liquid outlet pipe box, wherein the liquid inlet of the second heat exchange plate group and the liquid inlet of the heat exchange tube group are communicated with the first liquid inlet pipe box, the liquid outlet of the second heat exchange plate group and the liquid outlet of the heat exchange tube group are communicated with the first liquid outlet pipe box, the first liquid outlet pipe box is communicated with the second liquid inlet pipe box, the liquid inlet of the first heat exchange plate group is communicated with the second liquid inlet pipe box, and the liquid outlet of the first heat exchange plate group is communicated with the second liquid outlet pipe box.
Further, the combined gas-liquid heat exchanger comprises a connecting pipe, and the first liquid outlet of the first liquid outlet pipe box is connected with the second liquid inlet of the second liquid inlet pipe box through the connecting pipe.
Further, the first liquid inlet pipe box, the first liquid outlet pipe box, the second liquid inlet pipe box and the second liquid outlet pipe box are all connected with the shell, and tube plates are respectively arranged between the first liquid inlet pipe box, the first liquid outlet pipe box, the second liquid inlet pipe box, the second liquid outlet pipe box and the shell, and the collecting tubes of the heat exchange tubes and the heat exchange plates can penetrate through the tube plates.
Further, the heat exchange tube group comprises a support plate and a plurality of heat exchange tubes, and any one of the heat exchange tubes penetrates through the support plate.
Furthermore, the first heat exchange plate group and the second heat exchange plate group are both non-condensing sections, and the heat exchange plate group is a condensing section.
Compared with the prior art, the combined gas-liquid heat exchanger has the following advantages:
According to the combined gas-liquid heat exchanger, the two heat exchange chambers are arranged, and the corresponding heat exchange groups are arranged, so that shell side heat exchange medium sequentially flows through the first heat exchange plate group, the second heat exchange plate group and the heat exchange tube group to exchange heat, and the combined form of the heat exchange plate group and the heat exchange tube group is utilized, so that the cost of the heat exchanger is reduced as much as possible, the heat exchange efficiency is guaranteed, and meanwhile, the whole machine of the combined gas-liquid heat exchanger occupies a small space; for the comprehensive cost of the indexes such as equipment cost, heat exchange efficiency and the like, the comprehensive cost of the combined gas-liquid heat exchanger is far lower than that of a conventional plate heat exchanger and a conventional tube heat exchanger.
In addition, the application enables the gas to exchange heat step by carrying out specific combination and layout on the heat exchange plate group and the heat exchange tube group, is beneficial to guaranteeing the overall heat exchange efficiency of the heat exchanger, and ensures that the gas is concentrated at the most downstream heat exchange tube group to generate condensation, so that on one hand, condensed water is easy to drop along the tube body, and is convenient for collecting and discharging the condensed water, and on the other hand, in the actual production and process accounting of the combined gas-liquid heat exchanger, the heat exchange plate group with lower heat conductivity is arranged at a non-condensation section, and the heat exchange tube with higher heat conductivity is arranged at a condensation section, so that the comprehensive cost of the whole heat exchanger can be obviously reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of a combined gas-liquid heat exchanger according to an embodiment of the present utility model;
FIG. 2 is a schematic view of an embodiment of the present utility model with heat exchange plate sets, heat exchange tube sets, and connecting tubes removed from FIG. 1;
FIG. 3 is a side view of a combined gas-liquid heat exchanger according to an embodiment of the present utility model;
FIG. 4 is an enlarged view of a portion of the embodiment of the utility model at A in FIG. 1;
FIG. 5 is a schematic cross-sectional view of an embodiment of the utility model taken in the direction B-B of FIG. 1 (with the tubesheet omitted);
FIG. 6 is an enlarged view of a portion of FIG. 5C in accordance with an embodiment of the present utility model;
FIG. 7 is an enlarged view of a portion of the embodiment of the utility model at D in FIG. 5;
Fig. 8 is a schematic diagram of a combined gas-liquid heat exchanger according to an embodiment of the present utility model, wherein the schematic diagram is between two heat exchange plates adjacent to each other;
Fig. 9 is a front view of any heat exchange plate in a combined gas-liquid heat exchanger according to an embodiment of the present utility model;
FIG. 10 is a side view of the embodiment of the utility model based on FIG. 9;
FIG. 11 is a schematic cross-sectional view in the direction E-E in FIG. 9, of an embodiment of the present utility model;
Fig. 12 is a schematic view of another structure of a combined gas-liquid heat exchanger according to an embodiment of the present utility model.
Reference numerals illustrate:
1. A housing; 11. an air inlet; 12. an air outlet; 13. a first heat exchange chamber; 14. a communication chamber; 15. a second heat exchange chamber; 16. a gas flow passage; 2. a first liquid inlet pipe box; 21. a first liquid inlet; 3. a first liquid outlet pipe box; 31. a first liquid outlet; 4. a second liquid inlet pipe box; 41. a second liquid inlet; 5. a second liquid outlet pipe box; 51. a second liquid outlet; 6. a tube sheet; 7. a connecting pipe; 8. a heat exchange plate group; 81. a heat exchange plate; 811. a plate body; 812. a media flow path; 814. a manifold; 82. a support; 9. a heat exchange tube group; 91. a heat exchange tube; 92. a support plate; 10. a lower case; 101. an air outlet pipe; 102. a water baffle; 103. and a liquid discharge pipe.
Detailed Description
The inventive concepts of the present disclosure will be described below using terms commonly used by those skilled in the art to convey the substance of their work to others skilled in the art. These inventive concepts may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The terms of orientation in the present utility model, such as "up and down", refer to the coordinates in fig. 1, 5 and 12.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
In order to solve the problems of low heat exchange efficiency, more occupied space of the whole machine and higher cost of the gas-liquid heat exchanger in the prior art, the embodiment provides a combined gas-liquid heat exchanger, as shown in fig. 1-11, the combined gas-liquid heat exchanger comprises a shell 1, a first heat exchange chamber 13 and a second heat exchange chamber 15 are arranged in the shell 1, the first heat exchange chamber 13 and the second heat exchange chamber 15 are sequentially communicated in the flow direction of shell side heat exchange medium, at least one group of first heat exchange plate groups is arranged in the first heat exchange chamber 13, and a second heat exchange plate group and a heat exchange tube group 9 are sequentially arranged in the second heat exchange chamber 15, namely, the second heat exchange plate group is positioned at the upstream of the heat exchange tube group 9; the first heat exchange plate group, the second heat exchange plate group and the heat exchange tube group 9 are provided with heat exchange channels, and tube side heat exchange media can enter the heat exchange channels to exchange heat with shell side heat exchange media; in the flow direction along the tube side heat exchange medium, the heat exchange channels of the second heat exchange plate group are sequentially communicated with the heat exchange channels of the first heat exchange plate group, and the heat exchange channels of the heat exchange tube group 9 are sequentially communicated with the heat exchange channels of the first heat exchange plate group.
Under the non-condensing condition, the heat conductivity coefficient has little influence on the heat exchange area, the heat exchange plate has more advantages, the heat exchange plate is 15% -25% larger than the heat exchange pipe in area, the heat exchange wall of the heat exchange plate is thin, the material cost is low, and the comprehensive cost of the heat exchange plate is low. Under the condensing condition, the heat exchange tube with high heat conductivity has obvious advantages, and compared with the heat exchange plate with low heat conductivity, the heat exchange tube has more small heat exchange area and low comprehensive cost.
According to the application, by arranging the two heat exchange chambers and arranging the corresponding heat exchange groups, shell side heat exchange media sequentially flow through the first heat exchange plate group, the second heat exchange plate group and the heat exchange tube group 9 for heat exchange, so that the combination mode of the heat exchange plate group and the heat exchange tube group is utilized, on one hand, the cost of the heat exchanger is reduced as much as possible, on the other hand, the heat exchange efficiency is ensured, and meanwhile, the whole machine of the combined gas-liquid heat exchanger occupies a smaller space; for the comprehensive cost of the indexes such as equipment cost, heat exchange efficiency and the like, the comprehensive cost of the combined gas-liquid heat exchanger is far lower than that of a conventional plate heat exchanger and a conventional tube heat exchanger.
The shell 1 is provided with a gas inlet 11 and a gas outlet 12, the gas inlet 11 is a gas inlet of the first heat exchange chamber 13, and the gas outlet 12 is a gas outlet of the second heat exchange chamber 15. Wherein the shell side heat exchange medium is preferably a gaseous medium, such as a high temperature exhaust gas; the tube side heat exchange medium is preferably a liquid medium, such as normal temperature water.
The first heat exchange plate group and the second heat exchange plate group can be regarded as the heat exchange plate group 8 in the drawing, and are divided into the first heat exchange plate group and the second heat exchange plate group for convenience of description. The first heat exchange plate group and the second heat exchange plate group both comprise heat exchange plates 81, for any one heat exchange plate 81, a medium flow channel 812 is arranged in a plate body 811 of the heat exchange plate 81, and collecting pipes 814 are arranged at two ends of the plate body 811, and the collecting pipes 814 are communicated with the medium flow channel 812, so that liquid can flow along the medium flow channel 812 to exchange heat. Referring to the two views of fig. 1 and 5, for the first heat exchange plate group, the first heat exchange plate group is formed by arranging a plurality of heat exchange plates, including heat exchange plates which are transversely arranged (which can be understood as a horizontal direction) and longitudinally arranged (which can be understood as an up-down direction); the second heat exchange plate group is also the same, and will not be described in detail.
Within the same heat exchange chamber, two heat exchange plates 81 arbitrarily adjacent in the up-down direction are stacked; in the front-rear direction, a gas flow passage 16 is formed between any one heat exchange plate 81 and the heat exchange plate 81 adjacent to the front-rear. So that the gas can exchange heat along the gas flow channel 16 through the surface of the heat exchange plate 81 while flowing through the first heat exchange plate group and the second heat exchange plate group. Preferably, in the front-rear direction, a supporting member 82 is arranged between any two adjacent heat exchange plates 81, so that the assembly stability of the heat exchange plate group 8 is ensured, displacement or rotation of the heat exchange plates 81 is avoided, and the normal operation of the heat exchanger is ensured.
The heat exchange tube group 9 includes a support plate 92 and a plurality of heat exchange tubes 91, wherein any one of the heat exchange tubes 91 penetrates through the support plate 92, and the support plate 92 provides a supporting function for the relatively slender heat exchange tube 91. Referring to both views of fig. 1 and 5, for the heat exchange tube group 9, it is composed of a plurality of heat exchange tube arrays including heat exchange tubes arranged laterally (which may be understood as a horizontal direction) and longitudinally (which may be understood as an up-down direction).
The combined gas-liquid heat exchanger comprises a plurality of tube box structures, which are respectively marked as a first liquid inlet tube box 2, a first liquid outlet tube box 3, a second liquid inlet tube box 4 and a second liquid outlet tube box 5, wherein the liquid inlet of the second heat exchange plate group and the liquid inlet of the heat exchange tube group 9 are communicated with the first liquid inlet tube box 2, the liquid outlet of the second heat exchange plate group and the liquid outlet of the heat exchange tube group 9 are communicated with the first liquid outlet tube box 3, the first liquid outlet tube box 3 is communicated with the second liquid inlet tube box 4, the liquid inlet of the first heat exchange plate group is communicated with the second liquid inlet tube box 4, and the liquid outlet of the first heat exchange plate group is communicated with the second liquid outlet tube box 5. So that the liquid medium flows into the second heat exchange plate group or the heat exchange tube group 9 through the first liquid inlet tube box 2 to perform first-stage heat exchange, then flows through the first liquid outlet tube box 3 and the second liquid inlet tube box 4 in sequence, flows into the first heat exchange plate group to perform second-stage heat exchange, and finally flows out of the second liquid outlet tube box 5.
Specifically, the first liquid inlet pipe box 2 is provided with a first liquid inlet 21, the first liquid outlet pipe box 3 is provided with a first liquid outlet 31, the second liquid inlet pipe box 4 is provided with a second liquid inlet 41, and the second liquid outlet pipe box 5 is provided with a second liquid outlet 51. Preferably, the combined gas-liquid heat exchanger comprises a connecting pipe 7, and the first liquid outlet 31 of the first liquid outlet pipe box 3 is connected with the second liquid inlet 41 of the second liquid inlet pipe box 4 through the connecting pipe 7.
The first liquid inlet pipe box 2, the first liquid outlet pipe box 3, the second liquid inlet pipe box 4 and the second liquid outlet pipe box 5 are all connected with the shell 1, and the corresponding tube plates 6 are respectively arranged among the first liquid inlet pipe box 2, the first liquid outlet pipe box 3, the second liquid inlet pipe box 4, the second liquid outlet pipe box 5 and the shell 1, and the heat exchange tubes 91 and the collecting tubes 814 of the heat exchange plates 81 can penetrate through the tube plates 6, so that the heat exchange plates 81 and the heat exchange tubes 91 can be communicated with the corresponding pipe box structures, and meanwhile, the fixing of the heat exchange plates 81, the heat exchange tubes 91, the pipe box structures and other components is ensured. Meanwhile, as the two ends of the heat exchange plate 81 are arranged in the form of the tube, the heat exchange plate 81 can be assembled in the form of the tube while maintaining the plate structure and the plate heat exchange form, so that the assembly with the tube plate 6 can be realized relatively simply, the low-cost advantage of the heat exchange plate can be utilized, the assembly difficulty of the heat exchange plate is reduced while the cost of heat exchange components is reduced, and the assembly efficiency is improved.
The shell 1 comprises a communication chamber 14, one side of the communication chamber 14 is communicated with the first heat exchange chamber 13, and the other side of the communication chamber is communicated with the second heat exchange chamber 15, so that gas can sequentially flow through the first heat exchange chamber 13, the communication chamber 14 and the second heat exchange chamber 15, sequentially exchange heat with the multi-stage heat exchange plates 81 and then exchange heat with the heat exchange tubes 91.
In the present application, the heat exchange plate 81 and the heat exchange tube 91 are preferably made of engineering plastics, and the heat conductivity of the heat exchange plate 81 is 1W/(m·k) and the heat conductivity of the heat exchange tube 91 is 2W/(m·k) -7W/(m·k) in the thickness direction of the heat exchange wall. Correspondingly, when the gas and the liquid flow through the heat exchange plate 81 for heat exchange, the gas temperature is higher, the heat exchange efficiency of the heat exchange plate 81 is not high, the heat exchange plate group 8 is in a non-condensing section (specifically, the first heat exchange plate group and the second heat exchange plate group are both in a non-condensing section), then, when the gas and the liquid flow through the heat exchange pipe 91 for heat exchange, the gas temperature is lower, the heat exchange efficiency of the heat exchange pipe 91 is higher, and the water vapor in the gas is condensed at the heat exchange pipe 91, so that the heat exchange pipe group 9 is in a condensing section. The application makes the gas exchange step by making specific combination and layout of the heat exchange plate group 8 and the heat exchange tube group 9, which is beneficial to guaranteeing the overall heat exchange efficiency of the heat exchanger, and the gas concentrates on the most downstream heat exchange tube group 9 to generate condensation, so that on one hand, the condensation water is easy to drop along the tube body to facilitate the collection and discharge of the condensation water, and on the other hand, in the actual production and process accounting of the combined gas-liquid heat exchanger, the heat exchange plate group with lower heat conductivity is arranged in a non-condensation section, and the heat exchange tube with higher heat conductivity is arranged in a condensation section, thereby being capable of remarkably reducing the comprehensive cost of the whole heat exchanger.
Example 2
As shown in fig. 12, in this embodiment, on the basis of all the contents of embodiment 1, the combined gas-liquid heat exchanger further includes a lower shell 10, the gas outlet 12 of the shell 1 is connected with the lower shell 10, and enters the lower shell 10 after gas exchange, the side wall of the lower shell 10 is provided with a gas outlet pipe 101, so that the gas after the heat exchange flows out to downstream equipment, and the bottom of the lower shell 10 is provided with a liquid discharge pipe 103, so that condensed water generated by the condensation section falls into the lower shell 10 and is collected at the bottom of the lower shell 10 and discharged outside via the liquid discharge pipe 103.
The lower shell 10 is internally provided with a water baffle 102, and the water baffle 102 is positioned at the inlet of the air outlet pipe 101 and is used for filtering and baffling the air flowing to the air outlet pipe 101, so that the air is properly slowed down on one hand, and the air is prevented from carrying water mist or other sundries into downstream equipment on the other hand.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (9)
1. The combined gas-liquid heat exchanger is characterized by comprising a shell (1), wherein a first heat exchange chamber (13) and a second heat exchange chamber (15) are arranged in the shell (1), the first heat exchange chamber (13) and the second heat exchange chamber (15) are sequentially communicated in the flow direction of shell side heat exchange medium, a first heat exchange plate group is arranged in the first heat exchange chamber (13), and a second heat exchange plate group and a heat exchange tube group (9) are sequentially arranged in the second heat exchange chamber (15); the first heat exchange plate group, the second heat exchange plate group and the heat exchange tube group (9) are provided with heat exchange channels, and tube side heat exchange media can enter the heat exchange channels to exchange heat with shell side heat exchange media; in the flowing direction along the tube side heat exchange medium, the heat exchange channels of the second heat exchange plate group are sequentially communicated with the heat exchange channels of the first heat exchange plate group, and the heat exchange channels of the heat exchange tube group (9) are sequentially communicated with the heat exchange channels of the first heat exchange plate group.
2. A combined gas-liquid heat exchanger according to claim 1, characterized in that the first heat exchange plate group and the second heat exchange plate group both comprise heat exchange plates (81), for any one heat exchange plate (81), a medium flow channel (812) is arranged in a plate body (811) of the heat exchange plate (81), and collecting pipes (814) are arranged at two ends of the plate body (811), and the collecting pipes (814) are communicated with the medium flow channel (812); the heat exchange tube group (9) includes a heat exchange tube (91).
3. A combined gas-liquid heat exchanger according to claim 2, characterized in that any adjacent two heat exchanger plates (81) are stacked in the up-down direction; in the front-rear direction, a gas flow passage (16) is formed between any one heat exchange plate (81) and the heat exchange plate (81) adjacent to the front-rear.
4. A combined gas-liquid heat exchanger according to claim 2, characterized in that a support (82) is provided between any adjacent two heat exchanger plates (81) in the front-rear direction.
5. The combined gas-liquid heat exchanger according to claim 2, wherein the combined gas-liquid heat exchanger comprises a first liquid inlet pipe box (2), a first liquid outlet pipe box (3), a second liquid inlet pipe box (4) and a second liquid outlet pipe box (5), wherein the liquid inlet of the second heat exchange plate group and the liquid inlet of the heat exchange tube group (9) are communicated with the first liquid inlet pipe box (2), the liquid outlet of the second heat exchange plate group and the liquid outlet of the heat exchange tube group (9) are communicated with the first liquid outlet pipe box (3), the first liquid outlet pipe box (3) is communicated with the second liquid inlet pipe box (4), and the liquid inlet of the first heat exchange plate group is communicated with the second liquid inlet pipe box (4), and the liquid outlet of the first heat exchange plate group is communicated with the second liquid outlet pipe box (5).
6. A combined gas-liquid heat exchanger according to claim 5, characterized in that the combined gas-liquid heat exchanger comprises a connecting pipe (7), the first liquid outlet (31) of the first liquid outlet pipe box (3) being connected with the second liquid inlet (41) of the second liquid inlet pipe box (4) by means of the connecting pipe (7).
7. The combined gas-liquid heat exchanger according to claim 5, wherein the first liquid inlet pipe box (2), the first liquid outlet pipe box (3), the second liquid inlet pipe box (4) and the second liquid outlet pipe box (5) are all connected with the shell (1), and tube plates (6) are respectively arranged between the first liquid inlet pipe box (2), the first liquid outlet pipe box (3), the second liquid inlet pipe box (4), the second liquid outlet pipe box (5) and the shell (1), and the heat exchange tubes (91) and the collecting tubes (814) of the heat exchange plates (81) can penetrate through the tube plates (6).
8. A combined gas-liquid heat exchanger according to claim 1, characterized in that the heat exchange tube group (9) comprises a support plate (92) and a plurality of heat exchange tubes (91), any one heat exchange tube (91) penetrating the support plate (92).
9. A combined gas-liquid heat exchanger according to claim 1, wherein the first heat exchanger plate group and the second heat exchanger plate group are both non-condensing sections, and the heat exchanger tube group (9) is a condensing section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322712854.XU CN220959739U (en) | 2023-10-10 | 2023-10-10 | Combined gas-liquid heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322712854.XU CN220959739U (en) | 2023-10-10 | 2023-10-10 | Combined gas-liquid heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220959739U true CN220959739U (en) | 2024-05-14 |
Family
ID=91014014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322712854.XU Active CN220959739U (en) | 2023-10-10 | 2023-10-10 | Combined gas-liquid heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220959739U (en) |
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2023
- 2023-10-10 CN CN202322712854.XU patent/CN220959739U/en active Active
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