CN219284036U - Heat exchanger and gas water heater - Google Patents
Heat exchanger and gas water heater Download PDFInfo
- Publication number
- CN219284036U CN219284036U CN202223537602.XU CN202223537602U CN219284036U CN 219284036 U CN219284036 U CN 219284036U CN 202223537602 U CN202223537602 U CN 202223537602U CN 219284036 U CN219284036 U CN 219284036U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- heat
- tube group
- assembly
- exchange tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to the technical field of gas water heaters, and discloses a heat exchanger and a gas water heater. The shell of the heat exchanger is provided with a smoke outlet, and smoke can flow out of the shell along a first direction through the smoke outlet; the first heat exchange assembly and the second heat exchange assembly are arranged in the shell, and flue gas can flow through the first heat exchange assembly and the second heat exchange assembly in sequence; the first heat exchange assembly comprises a first heat exchange tube group, the second heat exchange assembly comprises a second heat exchange tube group, a water outlet and a water inlet are further formed in the shell, heat exchange liquid can flow through the second heat exchange tube group and the first heat exchange tube group in sequence after entering through the water inlet and flows out of the water outlet, the first heat exchange tube group and the second heat exchange tube group extend along a second direction, and the second direction is perpendicular to the first direction. According to the utility model, the liquid to be heat-exchanged can flow through the first heat exchange assembly and the second heat exchange assembly in sequence through the water inlet and the water outlet to exchange heat with the flue gas, so that the heat exchange effect is better, and the heat exchange efficiency is higher.
Description
Technical Field
The utility model relates to the technical field of gas water heaters, in particular to a heat exchanger and a gas water heater.
Background
In the related art, the heat exchange structure of the gas appliance comprises a plurality of groups of spiral light pipe heat exchange, flat pipe spiral light pipe heat exchange, spiral fin light pipe heat exchange and the like. However, the heat exchanger has the advantages of large installation size, high cost and effective heat exchange efficiency due to inherent structural problems.
Therefore, a heat exchanger and a gas water heater are needed to solve the above problems.
Disclosure of Invention
One of the technical problems to be solved by the utility model is to provide a heat exchanger which can effectively solve the problems of large size, high cost and low heat exchange efficiency and has the characteristics of compact structure, low cost and high heat exchange efficiency.
The second technical problem to be solved by the utility model is to provide the gas water heater which can effectively solve the problems of low heat exchange efficiency and resource waste, and has high heat exchange efficiency and high flue gas utilization rate.
The first technical problem is solved by the following technical scheme:
a heat exchanger, comprising:
the shell is provided with a smoke outlet, and smoke can flow out of the shell along a first direction through the smoke outlet;
the first heat exchange assembly and the second heat exchange assembly are arranged in the shell, and flue gas can flow through the first heat exchange assembly and the second heat exchange assembly in sequence; the first heat exchange assembly comprises a first heat exchange tube group, the second heat exchange assembly comprises a second heat exchange tube group, a water outlet and a water inlet are further formed in the shell, heat exchange liquid can flow through the second heat exchange tube group and the first heat exchange tube group in sequence after entering from the water inlet, and flows out from the water outlet, the first heat exchange tube group and the second heat exchange tube group extend along a second direction, and the second direction is perpendicular to the first direction.
Compared with the background technology, the heat exchanger has the following beneficial effects:
the utility model is provided with the smoke outlet on the shell for the smoke to flow out of the shell along the first direction; through setting gradually first heat exchange component and second heat exchange component in the casing along first direction for the flue gas can carry out the heat transfer with first heat exchange component and second heat exchange component in proper order, specifically, wait to flow through second heat exchange nest of tubes and first heat exchange nest of tubes after the heat exchange liquid can be through the water inlet in proper order, and by the delivery port outflow. During the period, the flue gas can carry out secondary heat exchange with the liquid to be heat-exchanged, so that the heat exchange effect is better, and the heat exchange efficiency is higher. The first heat exchange tube group and the second heat exchange tube group extend along a second direction perpendicular to the first direction, so that the heat exchange effect and the heat exchange efficiency are ensured, and the structure of the heat exchanger is more compact; meanwhile, the first heat exchange tube group and the second heat exchange tube group are simple in structure, convenient to process and lower in cost.
In one embodiment, the heat exchanger is further provided with a third heat exchange assembly disposed in the housing, the third heat exchange assembly being disposed on a side of the first heat exchange assembly remote from the second heat exchange assembly, the third heat exchange assembly including a third heat exchange tube group extending in the second direction, the third heat exchange tube being in communication with the first heat exchange tube group.
In one embodiment, the housing includes two coamings spaced apart along a third direction, the third direction being perpendicular to the first direction, the first and second heat exchange assemblies being disposed between the two coamings; the third heat exchange tube group comprises a plurality of third heat exchange straight flat tubes, the third heat exchange straight flat tubes are arranged on the inner wall of the coaming, and the third heat exchange straight flat tubes are connected in series.
In one embodiment, a heat insulating plate is arranged between the third heat exchange straight flat tube and the first heat exchange component, and the heat insulating plate is arranged on the inner wall of the coaming.
In one embodiment, the shell comprises two end plates arranged at intervals along the second direction, the two end plates are respectively arranged at two ends of the first heat exchange assembly and the second heat exchange assembly, a water box is arranged on the end plates, the water box is communicated with the first heat exchange tube group, the second heat exchange tube group and the third heat exchange tube group, and the water outlet and the water inlet are arranged on the water box.
In one embodiment, the housing further comprises a bottom plate, both the coaming and both the end plates are connected to the bottom plate, and the smoke outlet is provided in the bottom plate.
In one embodiment, the first heat exchange assembly comprises a plurality of heat exchange plates stacked on each other along the second direction, the heat exchange plates are provided with a plurality of through holes, the first heat exchange tube group comprises a plurality of first heat exchange straight round tubes, and the first heat exchange straight round tubes are correspondingly arranged in the through holes in a penetrating mode.
In one embodiment, the plurality of first straight round heat exchange tubes at least comprises more than two first straight round heat exchange tubes arranged in parallel, and the first straight round heat exchange tubes connected in parallel and not connected in parallel are all connected in series.
In one embodiment, the second heat exchange tube group comprises a plurality of second heat exchange straight flat tubes arranged at intervals along a third direction, the third direction is perpendicular to the first direction, and long shafts of the second heat exchange straight flat tubes extend along the first direction.
In one embodiment, a plurality of second heat exchange straight flat tubes are connected in parallel.
The second technical problem is solved by the following technical scheme:
a gas water heater comprising a heat exchanger as claimed in any one of the preceding claims.
Compared with the background technology, the gas water heater has the beneficial effects that:
according to the utility model, by arranging the heat exchanger, the heat exchange between the high-temperature flue gas and the liquid to be subjected to heat exchange is fully utilized, so that the heat exchange effect and the heat exchange efficiency are better, and the utilization rate of the high-temperature flue gas is higher; meanwhile, the structure is more compact, and the installation is more convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic illustration of a heat exchanger provided in an embodiment of the present utility model;
FIG. 2 is a schematic view of a hidden side end plate of a heat exchanger according to an embodiment of the present utility model;
fig. 3 is a schematic side view of a hidden side end plate of a heat exchanger and a smoke flow diagram according to an embodiment of the present utility model.
Description of the reference numerals:
100. a combustion chamber;
11. coaming plate; 12. an end plate; 121. a water box; 122. a water inlet; 123. a water outlet; 13. a bottom plate; 131. a smoke outlet;
2. a first heat exchange assembly; 21. a first heat exchange tube group; 211. the first heat exchange straight round tube; 22. a heat exchange plate;
3. a second heat exchange assembly; 31. a second heat exchange tube group; 311. the second heat exchange straight flat tube;
4. a third heat exchange assembly; 41. a third heat exchange tube group; 411. a third heat exchange straight flat tube;
5. a heat insulating plate; 51. and (3) a bracket.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
In the description of the present application, it should be understood that the terms "upper," "lower," "vertical," "horizontal," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
As shown in fig. 1-3, the present embodiment provides a heat exchanger, which includes a housing, a first heat exchange assembly 2 and a second heat exchange assembly 3, wherein the housing is provided with a smoke outlet 131, and smoke can flow out of the housing along a first direction through the smoke outlet 131; the first heat exchange assembly 2 and the second heat exchange assembly 3 are arranged in the shell, and flue gas can flow through the first heat exchange assembly 2 and the second heat exchange assembly 3 in sequence; the first heat exchange assembly 2 comprises a first heat exchange tube group 21, the second heat exchange assembly 3 comprises a second heat exchange tube group 31, a water outlet 123 and a water inlet 122 are further formed in the shell, after the heat exchange liquid can enter from the water inlet 122, the heat exchange liquid sequentially flows through the second heat exchange tube group 31 and the first heat exchange tube group 21 and flows out from the water outlet 123, the first heat exchange tube group 21 and the second heat exchange tube group 31 extend along a second direction, and the second direction is perpendicular to the first direction.
A smoke outlet 131 is formed in the shell and is used for enabling smoke to enter and exit the shell along a first direction; through setting gradually first heat transfer subassembly 2 and second heat transfer subassembly 3 in the casing along first direction for the flue gas can exchange heat with first heat transfer subassembly 2 and second heat transfer subassembly 3 in proper order. Specifically, the liquid to be heat-exchanged can flow through the second heat exchange tube group 31 and the first heat exchange tube group 21 in this order after passing through the water inlet 122, and flow out through the water outlet 123. During the period, the flue gas can carry out secondary heat exchange with the liquid to be heat-exchanged, so that the heat exchange effect is better, and the heat exchange efficiency is higher. Wherein, the first heat exchange tube group 21 and the second heat exchange tube group 31 extend along the second direction perpendicular to the first direction, which is beneficial to making the structure of the heat exchanger more compact while ensuring the heat exchange effect and the heat exchange efficiency; meanwhile, the first heat exchange tube group 21 and the second heat exchange tube group 31 are simple in structure, convenient to process and lower in cost.
In this embodiment, the first direction is a vertically downward direction, and a combustion chamber 100 is disposed above the heat exchanger. Because the combustion chamber 100 is positive pressure, the flue gas can enter the first heat exchange assembly 2 and the second heat exchange assembly 3 under the dual actions of positive pressure and gravity, so that the heat exchange efficiency is improved.
As an alternative to a heat exchanger, the housing includes two coamings 11 arranged at intervals along a third direction, which is perpendicular to the first direction, it being understood that the second and third directions are two directions perpendicular to each other in the horizontal direction. Through setting up bounding wall 11 for realize the installation of first heat transfer subassembly 2 and second heat transfer subassembly 3, make first heat transfer subassembly 2 and second heat transfer subassembly 3 can be along vertical direction from top to bottom install in proper order between two bounding walls 11.
In this embodiment, the heat exchanger still is provided with the third heat exchange component 4 of arranging in the casing, through all setting up first heat exchange component 2, second heat exchange component 3 and third heat exchange component 4 in the casing, is favorable to improving the integrated level of heat exchanger, is convenient for process, manufacturing and installation. The third heat exchange assembly 4 is arranged on one side, far away from the second heat exchange assembly 3, of the first heat exchange assembly 2, and the heat exchange efficiency is further improved by arranging the third heat exchange assembly 4. Specifically, the third heat exchange assembly 4 includes a third heat exchange tube group 41 extending in the second direction, which communicates with the first heat exchange tube group 21.
It is worth noting that the third heat exchange assembly 4 is disposed in the combustion chamber 100, the third heat exchange tube group 41 includes a plurality of third heat exchange straight flat tubes 411, the third heat exchange straight flat tubes 411 are provided with two, the two third heat exchange straight flat tubes 411 are respectively disposed on the inner wall of the coaming 11, and the long sides of the third heat exchange straight flat tubes 411 are attached to the coaming 11, so that the coaming 11 is prevented from being damaged by high temperature in the combustion chamber 100, and the contact area between the third heat exchange straight flat tubes 411 and flue gas is increased, so that heat exchange is more sufficient. Meanwhile, compared with a round tube, the third heat exchange straight flat tube 411 has a wider liquid circulation channel to be heat exchanged, so that higher flow can be ensured; in addition, through the long limit and coaming 11 laminating setting of the straight flat pipe 411 of third heat transfer for coaming 11 need not additionally to set up the profiling structure, and processing is simpler. Optionally, the ratio of the major axis to the minor axis of the third heat exchange straight flat tube 411 is D 1 ，D 1 The cross section area of the liquid to be heat-exchanged flow channel of the third heat-exchanging straight flat tube 411 is S, which is arranged at 3-5 1 ，S 1 Is arranged at 300mm 2 ～400mm 2 。
Preferably, the third heat exchange straight flat tubes 411 are connected in series, and as the third heat exchange assembly 4 is arranged in the combustion chamber 100 and the temperature of the flue gas in the combustion chamber 100 is higher, the heat exchange efficiency between the flue gas and the third heat exchange straight flat tubes 411 is higher, and therefore, the better heat exchange effect can be ensured by connecting the third heat exchange straight flat tubes 411 in series.
Further, for being convenient for install first heat exchange component 2, be provided with the clearance between first heat exchange component 2 and the third heat exchange component 4, in order to avoid the heat transfer intracavity high temperature flue gas to cause the damage to the bounding wall 11 of clearance department, be provided with heat insulating board 5 between straight flat pipe 411 of third heat transfer and the first heat exchange component 2, heat insulating board 5 sets up in the inner wall of bounding wall 11. Through setting up heat insulating board 5, the damage of high temperature flue gas in the isolated combustion chamber 100 to bounding wall 11 effectively has realized the heat preservation in the combustion chamber 100 simultaneously effectively, has improved the utilization ratio of flue gas. Optionally, the heat shield 5 is arranged on the inner wall of the housing by means of a bracket 51.
As an alternative to a heat exchanger, the housing further comprises two end plates 12 arranged at intervals along the second direction, the two end plates 12 being arranged at both ends of the first heat exchange assembly 2 and the second heat exchange assembly 3, respectively, and the two end plates 12 and the two enclosing plates 11 enclosing the combustion chamber 100. The end plate 12 is provided with a water box 121 for communicating the first heat exchange tube group 21, the second heat exchange tube group 31 and the third heat exchange tube group 41 by providing the water box 121 so that the liquid to be heat exchanged can flow through the first heat exchange tube group 21, the second heat exchange tube group 31 and the third heat exchange tube group 41 in order to exchange heat with the flue gas.
Specifically, the water outlet 123 and the water inlet 122 are provided on the water cassette 121 and are disposed in this order in the first direction so that the liquid can flow through the second heat exchange tube group 31, the first heat exchange tube group 21, and the third heat exchange tube group 41 in this order from bottom to top. Correspondingly, the flue gas can flow through the third heat exchange assembly 4, the first heat exchange assembly 2 and the second heat exchange assembly 3 in sequence, and the liquid to be heat-exchanged can flow through in sequence. The arrangement ensures that the temperature difference between the flue gas subjected to heat exchange and the liquid to be subjected to heat exchange is small, gradual heat exchange is performed, condensation or pipe group breakage caused by overlarge temperature difference is effectively avoided, the reliability of heat exchange is ensured, and the utilization rate of the flue gas is higher.
Further, the housing further comprises a bottom plate 13, both the two coamings 11 and the two end plates 12 are connected with the bottom plate 13, and the smoke outlet 131 is arranged on the bottom plate 13. Alternatively, the two coamings 11 are integrally provided with the base 13, formed by stamping and bending. The smoke outlet 131 is circular, so that the smoke outlet 131 is convenient to cooperate with smoke outlet guide structures such as smoke outlet pipes, and the like, and the smoke is prevented from overflowing.
In this embodiment, the first heat exchange assembly 2 includes a plurality of heat exchange plates 22 stacked on each other along the second direction, and the heat exchange plates 22 are disposed in abutment with the inner wall of the shroud 11. The heat exchange plate 22 is provided with a plurality of through holes, the first heat exchange tube group 21 comprises a plurality of first heat exchange straight round tubes 211, and the first heat exchange straight round tubes 211 are correspondingly penetrated in the through holes one by one. It should be noted that, the water boxes 121 are arranged in parallel between the first heat exchange straight round tubes 211, and compared with the serpentine-shaped serial channels in the prior art, the heat exchange straight round tubes have the advantage of small resistance, and meanwhile, the heat exchange straight round tubes have the advantages of more compact structure, more convenient processing and lower cost.
Specifically, in order to ensure the heat exchange effect, the through holes are arranged in two rows along the third direction, and the through holes in two rows are staggered. A flow dividing piece is arranged between the adjacent through holes and used for dividing and disturbing the smoke flowing through the first heat exchange assembly 2, so that the contact area between the smoke and the first heat exchange tube group 21 is ensured.
Further, the through hole is provided with an oval shape, and accordingly, the first straight circular heat exchange tube 211 is also provided with an oval shape, and the long axis of the oval shape extends along the first direction, which is beneficial to ensuring that a larger contact area exists between the flue gas and the side wall of the first straight circular heat exchange tube 211.
Illustratively, the spacing between the heat exchange plates 22 and the heat exchange plates 22 is set to be 2.5mm or less, and the flow passage gap between the first straight round heat exchange tube 211 and the flow dividing member through which the flue gas flows is 2.5mm or less. The first heat exchange assembly 2 has better heat exchange capability, the impurities in the flue gas can be forcibly discharged out of the heat exchange plates 22 under the action of the pressure and the gravity of the combustion chamber 100, so that the problem of impurity blockage is effectively avoided, the problems of deformation and color change caused by local high temperature of the heat exchange plates 22 are reduced, the replacement times in the use process are reduced, and the maintenance is simpler.
It should be noted that, the plurality of first straight round heat exchanging pipes 211 at least includes more than two straight round heat exchanging pipes 211 arranged in parallel, and the straight round heat exchanging pipes 211 connected in parallel and non-parallel are all connected in series. Through with the mutual cluster, parallelly connected setting between the straight pipe 211 of a plurality of first heat transfer to the flue gas temperature that the adaptation first heat transfer subassembly 2 positions correspond, make can guarantee the heat transfer effect between waiting heat transfer liquid and the flue gas in the straight pipe 211 of first heat transfer, can guarantee higher heat exchange efficiency again.
As an alternative to a heat exchanger, the second heat exchange tube group 31 includes a plurality of second heat exchange straight flat tubes 311 arranged at intervals along a third direction, the third direction being arranged perpendicular to the first direction, and long axes of the second heat exchange straight flat tubes 311 extending along the first direction. So set up for the straight flat pipe 311 of second heat transfer can contact the heat transfer with the flue gas with the maximum area, guaranteed heat transfer efficiency in limited space. Similar to the first heat exchange straight round tube 211, the plurality of second heat exchange straight flat tubes 311 are also arranged in parallel, so that the resistance is smaller, the structure is more compact, the processing is more convenient, and the cost is lower.
Illustratively, at least 16 second heat exchange straight flat tubes 311 are provided, and the ratio of the major axis to the minor axis of the second heat exchange straight flat tubes 311 is D 2 ，D 2 The cross section area of the liquid to be heat-exchanged flow channel of the second heat-exchanged straight flat pipe 311 is S, which is arranged at 3-5 2 ，S 2 Is arranged at 200mm 2 ～300mm 2 The distance between the second heat exchange straight flat pipe 311 and the second heat exchange straight flat pipe 311 is 1 mm-5 mm.
It should be noted that the plurality of second heat exchange straight flat tubes 311 are connected in parallel. Because the temperature of the flue gas at the position of the second heat exchange assembly 3, which is close to the flue gas outlet 131, is lower, in order to ensure the heat exchange efficiency, a plurality of second heat exchange straight flat pipes 311 are arranged in parallel.
The embodiment also discloses a gas water heater, which comprises the heat exchanger according to any one of the schemes. By arranging the heat exchanger, the gas water heater fully utilizes the heat exchange between the high-temperature flue gas and the liquid to be heat-exchanged, has better heat exchange effect and higher heat exchange efficiency, and has higher utilization rate of the high-temperature flue gas; meanwhile, the structure is more compact, and the installation is more convenient.
In the specific content of the above embodiment, any combination of the technical features may be performed without contradiction, and for brevity of description, all possible combinations of the technical features are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing detailed description of the embodiments presents only a few embodiments of the present utility model, which are described in some detail and are not intended to limit the scope of the present utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. A heat exchanger, comprising:
the device comprises a shell, a smoke outlet (131) and a smoke outlet, wherein smoke can flow out of the shell along a first direction through the smoke outlet (131);
the first heat exchange assembly (2) and the second heat exchange assembly (3) are arranged in the shell, and flue gas can flow through the first heat exchange assembly (2) and the second heat exchange assembly (3) in sequence; the first heat exchange assembly (2) comprises a first heat exchange tube group (21), the second heat exchange assembly (3) comprises a second heat exchange tube group (31), a water outlet (123) and a water inlet (122) are further formed in the shell, heat exchange liquid can flow through the second heat exchange tube group (31) and the first heat exchange tube group (21) in sequence after entering through the water inlet (122), and flows out of the water outlet (123), the first heat exchange tube group (21) and the second heat exchange tube group (31) extend along a second direction, and the second direction is perpendicular to the first direction.
2. A heat exchanger according to claim 1, wherein the heat exchanger is further provided with a third heat exchange assembly (4) placed in the housing, the third heat exchange assembly (4) being arranged at a side of the first heat exchange assembly (2) remote from the second heat exchange assembly (3), the third heat exchange assembly (4) comprising a third heat exchange tube group (41) extending in the second direction, the third heat exchange tube being in communication with the first heat exchange tube group (21).
3. The heat exchanger according to claim 2, wherein the housing comprises two shroud plates (11) arranged at intervals along a third direction, the third direction being arranged perpendicular to the first direction, the first heat exchange assembly (2) and the second heat exchange assembly (3) being arranged between the two shroud plates (11); the third heat exchange tube group (41) comprises a plurality of third heat exchange straight flat tubes (411), the third heat exchange straight flat tubes (411) are arranged on the inner wall of the coaming (11), and the third heat exchange straight flat tubes (411) are connected in series.
4. A heat exchanger according to claim 3, wherein a heat insulating plate (5) is arranged between the third heat exchanging straight flat tube (411) and the first heat exchanging assembly (2), and the heat insulating plate (5) is arranged on the inner wall of the coaming plate (11).
5. The heat exchanger according to claim 2, wherein the housing comprises two end plates (12) arranged at intervals along a second direction, the two end plates (12) are respectively arranged at two ends of the first heat exchange assembly (2) and the second heat exchange assembly (3), a water box (121) is arranged on the end plates (12), the water box (121) is communicated with the first heat exchange tube group (21), the second heat exchange tube group (31) and the third heat exchange tube group (41), and the water outlet (123) and the water inlet (122) are arranged on the water box (121).
6. The heat exchanger according to any one of claims 1 to 5, wherein the first heat exchange assembly (2) comprises a plurality of heat exchange fins (22) stacked on each other along the second direction, the heat exchange fins (22) are provided with a plurality of through holes, the first heat exchange tube group (21) comprises a plurality of first heat exchange straight round tubes (211), and the first heat exchange straight round tubes (211) are arranged in the through holes in a penetrating manner one by one.
7. The heat exchanger according to claim 6, wherein at least two or more of the first straight heat exchanging round tubes (211) are arranged in parallel, and the first straight heat exchanging round tubes (211) connected in parallel and non-parallel are connected in series.
8. The heat exchanger according to any one of claims 1 to 5, wherein the second heat exchange tube group (31) includes a plurality of second heat exchange straight flat tubes (311) arranged at intervals along a third direction, the third direction being arranged perpendicular to the first direction, and a long axis of the second heat exchange straight flat tubes (311) extending along the first direction.
9. The heat exchanger according to claim 8, wherein a plurality of the second heat exchanging straight flat tubes (311) are connected in parallel.
10. Gas water heater, characterized by comprising a heat exchanger according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223537602.XU CN219284036U (en) | 2022-12-29 | 2022-12-29 | Heat exchanger and gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223537602.XU CN219284036U (en) | 2022-12-29 | 2022-12-29 | Heat exchanger and gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219284036U true CN219284036U (en) | 2023-06-30 |
Family
ID=86922598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223537602.XU Active CN219284036U (en) | 2022-12-29 | 2022-12-29 | Heat exchanger and gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219284036U (en) |
-
2022
- 2022-12-29 CN CN202223537602.XU patent/CN219284036U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2246655A1 (en) | Heat exchanger | |
| CN101749863B (en) | Latent heat recovery type heat exchanger | |
| CN219284036U (en) | Heat exchanger and gas water heater | |
| CN113720191A (en) | Heat exchange fin and heat exchange device | |
| CN113218230A (en) | Gas heat exchanger, heat exchange structure and heat exchange fin | |
| CN211876377U (en) | Gas equipment | |
| CN116952020A (en) | Heat exchanger and gas water heater | |
| CN109974509B (en) | Baffle plate assembly | |
| CN112050469A (en) | Heat exchange device and gas water heater | |
| CN212721062U (en) | Heat exchange fin and heat exchanger | |
| CN210036401U (en) | Baffle plate assembly | |
| CN220326117U (en) | Inclined air conditioner surface cooler | |
| CN210951882U (en) | Heat exchange device and gas water heater | |
| CN213984054U (en) | Heat exchanger and gas heater | |
| CN219243880U (en) | Water pan and air treatment equipment with same | |
| CN212299442U (en) | Heat exchange piece, heat exchange structure and water heater | |
| CN216592342U (en) | Microchannel heat exchanger, air conditioner | |
| CN215412490U (en) | Electric water boiler capable of overflowing at normal pressure | |
| CN218120287U (en) | Ice tray cooling structure and ice tray | |
| CN220771963U (en) | Heat exchange device and gas water heater | |
| CN218485191U (en) | Steam pipe natural cooling reflux mechanism | |
| CN212644965U (en) | Heat storage electric boiler | |
| CN216204376U (en) | Gas heat exchange device, combustion structure and combustion chamber | |
| CN217154539U (en) | Water-cooling heat dissipation combustor and gas water heater | |
| CN111692757B (en) | Air duct assembly, heat exchange structure and gas water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |