CN220017729U - Condensing evaporator - Google Patents
Condensing evaporator Download PDFInfo
- Publication number
- CN220017729U CN220017729U CN202320153598.2U CN202320153598U CN220017729U CN 220017729 U CN220017729 U CN 220017729U CN 202320153598 U CN202320153598 U CN 202320153598U CN 220017729 U CN220017729 U CN 220017729U
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- CN
- China
- Prior art keywords
- heat exchange
- box
- flue gas
- guide
- box body
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000000779 smoke Substances 0.000 claims abstract description 35
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000003546 flue gas Substances 0.000 claims abstract description 29
- 239000003507 refrigerant Substances 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000009833 condensation Methods 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 11
- 238000009825 accumulation Methods 0.000 claims description 6
- 239000003517 fume Substances 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a condensing evaporator, which is used for collecting the heat exchange between the flue gas of hot water equipment and the refrigerant of a heat pump system, and comprises the following components: the box body and the heat exchange tube penetrating the box body are provided with a smoke tube interface and a smoke discharging device; the flue gas-containing box is characterized in that two or more guide plates used for dividing the box into two or more guide cavities are arranged in the box, each guide plate is arranged in a downward inclined mode, a flow channel for allowing flue gas to pass through is reserved between one end of each guide plate and the box, and the flow channels of the adjacent guide plates are mutually far away. The heat exchange efficiency is improved through high temperature difference by utilizing the low temperature characteristic of the refrigerant; the heat exchange tube is adopted to exchange heat, so that the flow resistance of the flue gas is reduced, and the along-path loss is reduced; the guide plate is arranged to simultaneously guide the flue gas and the condensed water, the flue gas flows in the guide cavity in the box body in sequence, the residence time of the flue gas is prolonged, the heat exchange efficiency is further improved, and the structure is simple.
Description
Technical Field
The utility model relates to the technical field of hot water equipment, in particular to a condensing evaporator.
Background
The condensing heat exchanger for the gas water heater or the gas wall-mounted boiler in the market utilizes the difference between the water inlet temperature of high-temperature flue gas and the water inlet temperature of the machine, improves the efficiency of the machine through secondary heat exchange of the flue gas, but because the water temperature in the home of a user is greatly influenced by seasons and regions, when the water temperature in summer is higher or the water load of the user is lower, the heat exchange efficiency of the machine is improved limitedly.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model aims to provide the condensing evaporator with high heat exchange efficiency and simple structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A condensing evaporator for collecting heat exchange between flue gas of a hot water apparatus and a refrigerant of a heat pump system, comprising: the box body and the heat exchange tube penetrating the box body are provided with a smoke tube interface and a smoke discharging device; the flue gas-containing box is characterized in that two or more guide plates used for dividing the box into two or more guide cavities are arranged in the box, each guide plate is arranged in a downward inclined mode, a flow channel for allowing flue gas to pass through is reserved between one end of each guide plate and the box, and the flow channels of the adjacent guide plates are mutually far away.
As a further explanation of the above scheme, the downward inclination angle of the deflector is 5-20 degrees.
As a further explanation of the above scheme, a plurality of condensate water diversion grooves for diversion of condensate water are provided on the top of each of the diversion plates.
As a further explanation of the scheme, the bottom of the box body is connected with a water accumulation box, and a condensation water outlet is formed in the bottom of the water accumulation box.
As a further explanation of the above, the smoke evacuation device includes: a smoke exhaust hood connected with the top of the box body and a smoke exhaust pipe connected with the smoke exhaust hood; a wind shield is rotatably arranged on the smoke exhaust pipe.
As a further explanation of the above scheme, the smoke pipe interface is arranged on the side of the box body and is arranged far away from the flow passage of the guide plate above the smoke pipe interface.
As a further explanation of the above, each of the flow guide plates is connected with a mounting plate for connection with the inner wall of the case.
As a further explanation of the above, the heat exchange tube includes: the heat exchange main pipes are embedded in the box body, and the communication cavities are arranged on two side plates of the box body for installing the heat exchange main pipes and are used for connecting two or more heat exchange main pipes in series.
As a further explanation of the scheme, a plurality of installation bosses used for penetrating the heat exchange main pipe are arranged on the two side plates, a cover plate is arranged on the side plates, and the cover plate is provided with a communication cavity matched with the installation bosses.
The beneficial effects of the utility model are as follows: (1) The evaporation condenser is connected with a smoke outlet of the gas water heating equipment to absorb heat in combustion waste gas, so that energy is saved; as an evaporator, the heat exchange tube is connected with a heat pump refrigerant pipeline, and the heat exchange efficiency is improved through high temperature difference by utilizing the low temperature characteristic of the refrigerant; the heat exchange tube is adopted to exchange heat, so that the flow resistance of the flue gas is reduced, and the along-path loss is reduced; the guide plate is arranged to simultaneously guide the flue gas and the condensed water, the flue gas flows in the guide cavity in the box body in sequence, the residence time of the flue gas is prolonged, the heat exchange efficiency is further improved, and the structure is simple. (2) The fume collecting hood is arranged to guide the fume to flow so as to reduce the resistance along the way, and the wind shield prevents the outside air from flowing back into the condensing heat exchanger, so that the heat exchange efficiency is improved; the connecting cavity is arranged to connect the heat exchange main pipe, so that the welding interface of the heat exchange pipe and the box body is reduced, and water leakage is effectively avoided; meanwhile, the heat exchange area is increased, the water flow resistance is small, and the heat exchange efficiency is high. (3) The downward inclined angle of the guide plate is 5-20 degrees, so that the flue gas in the box body flows uniformly to exchange heat uniformly while ensuring the condensate water guide effect of the guide plate, and the water temperature difference caused by local overheating can be effectively avoided.
Drawings
Fig. 1 is a perspective view of a condensing evaporator according to the present utility model.
Fig. 2 shows a side view of the condensing evaporator provided by the utility model.
Fig. 3 is a diagram showing an internal structure of the condensing evaporator according to the present utility model.
Fig. 4 is a view showing a structure of a deflector of a condensing evaporator according to the present utility model.
Fig. 5 is a diagram showing a structure of a smoke exhausting device of a condensing evaporator.
Fig. 6 shows a diagram of the flue gas flow field of the condensing evaporator provided by the utility model.
Reference numerals illustrate.
1: condensation outlet, 2: ponding box, 3: smoke tube interface, 4: box, 5: smoke exhaust device, 6: communication cavity, 7: mounting bracket, 8: heat exchange main pipe, 9: deflector, 10: side plate, 11: cover plate, 12: mounting boss, 13: water inlet interface, 14: water outlet port, 15: temperature sensor, 9a: bottom deflector, 9b: middle deflector, 9c: top baffle, 51: fume extractor hood, 52: smoke exhaust pipe, 53: wind deflector, 91: condensate water diversion trench, 92: positioning plate, 93: and welding the connecting plate.
Description of the embodiments
In the description of the present utility model, it should be noted that, for the azimuth words such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present utility model that the device or element referred to must have a specific azimuth configuration and operation.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such features, and in the description of the utility model, "at least" means one or more, unless clearly specifically defined otherwise.
In the present utility model, unless explicitly stated and limited otherwise, the terms "assembled," "connected," and "connected" are to be construed broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; can be directly connected or connected through an intermediate medium, and can be communicated with the inside of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless specified and limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "below," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply representing the first feature as having a higher level than the second feature. The first feature being "above," "below," and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or simply indicating that the first feature is level below the second feature.
The following description of the specific embodiments of the present utility model is further provided with reference to the accompanying drawings, so that the technical scheme and the beneficial effects of the present utility model are more clear and definite. The embodiments described below are exemplary by referring to the drawings for the purpose of illustrating the utility model and are not to be construed as limiting the utility model.
As shown in fig. 1 to 3, a condensation evaporator for collecting heat exchange between flue gas of a hot water device and a refrigerant of a heat pump system, includes: the box body 4 and the heat exchange tube penetrating through the box body 4 are provided with a smoke tube interface 3 and a smoke discharging device 5; the flue gas-containing box is characterized in that two or more guide plates 9 for dividing the box into two or more guide cavities are arranged in the box 4, each guide plate 9 is arranged obliquely downwards, a flow passage for allowing flue gas to pass through is reserved between one end of each guide plate 9 and the box 4, and the flow passages of the adjacent guide plates 9 are mutually far away.
Therefore, when in actual use, the evaporative condenser is connected with the smoke outlet of the gas water heating equipment to absorb the heat in the combustion waste gas, thereby saving energy; as an evaporator, the heat exchange tube is connected with a heat pump refrigerant pipeline, and the heat exchange efficiency is improved through high temperature difference by utilizing the low temperature characteristic of the refrigerant; the heat exchange tube is adopted to exchange heat, so that the flow resistance of the flue gas is reduced, and the along-path loss is reduced; the guide plate is arranged to guide the flue gas and condensed water, the flue gas flows in the guide cavity in the box body in sequence, the residence time of the flue gas is prolonged, and the heat exchange efficiency is further improved.
Specifically, the top of each guide plate 9 is provided with a plurality of condensate water guide grooves 91, the bottom of the tank body 4 is connected with a water accumulation box 2, and the bottom of the water accumulation box 2 is provided with a condensate water outlet 1. The condensed water diversion trench diverts condensed water to guide condensed water to flow to the bottom of the tank body and enter the ponding box, and then is discharged through the condensed water outlet.
The smoke pipe connector 3 is arranged on the side part of the box body 4 and is far away from the flow passage of the guide plate 9 above the smoke pipe connector 3.
As shown in fig. 5, the smoke evacuation device 5 includes: a smoke exhaust hood 51 connected to the top of the case 4, and a smoke exhaust pipe 52 connected to the smoke exhaust hood 51; a wind deflector 53 is rotatably mounted to the smoke exhaust pipe 52. The fume collecting hood 51 is arranged to guide the fume to flow so as to reduce the resistance along the way, and the wind shield 53 prevents the outside air from flowing backwards into the condensing heat exchanger, so that the heat exchange efficiency is improved.
In this embodiment, the number of the guide plates 9 is 3, which are respectively a bottom guide plate 9a arranged at the bottom of the box, a middle guide plate 9b arranged in the middle of the box, and a top guide plate 9c arranged at the top of the box. The smoke pipe connector 3 is arranged between the bottom deflector 9c and the middle deflector 9 b. Obviously, the person skilled in the art can adjust the number of middle guide plates according to the size of the actual condensation evaporator, two, three or even more middle guide plates can be arranged, the bottom guide plates can be arranged or not, and the bottom guide plates are arranged for better guiding the condensed water in the embodiment.
As shown in fig. 4, each of the guide plates 9 is connected to a mounting plate for connection to the case. In this embodiment, the mounting plate is fixed to the inner wall of the case by welding, and the mounting plate includes a positioning plate 92 in contact with the inner wall of the case 4, and a welding connection plate 93 provided on the positioning plate 92 for welding with the inner wall of the case. It is obvious that the person skilled in the art can use other mounting means, such as screw mounting, plug mounting instead of welding mounting, not limited to the present embodiment.
Referring to fig. 6, the downward inclination angle of the baffle 9 is 5-20 degrees. Namely, the included angle between the guide plate and the mounting plate is 70-85 degrees. Therefore, the condensed water flow guiding effect of the guide plate can be ensured, and the flue gas in the box body flows uniformly, so that heat exchange is uniform, and the water temperature difference caused by local overheating can be effectively avoided.
In addition, the heat exchange tube includes: the heat exchange main pipes 8 are embedded in the box body, and the communication cavities 6 are arranged on two side plates of the box body for installing the heat exchange main pipes and are used for connecting two or more heat exchange main pipes in series. More specifically, a plurality of installation bosses 12 for penetrating the heat exchange main pipe are arranged on the two side plates, a cover plate 11 is arranged on the upper cover of the side plates, and the cover plate 11 is provided with a communication cavity 6 matched with the installation bosses 12. The connecting cavity is arranged to connect the heat exchange main pipe, so that the welding interface of the heat exchange pipe and the box body is reduced, and water leakage is effectively avoided; meanwhile, the heat exchange area is increased, the water flow resistance is small, and the heat exchange efficiency is high.
It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present utility model is not limited to the specific embodiments described above, but is intended to cover modifications and alternatives falling within the spirit and scope of the utility model as defined by the appended claims and their equivalents. The portions of the detailed description that are not presented are all prior art or common general knowledge.
Claims (9)
1. A condensing evaporator for collecting heat exchange between flue gas of a hot water apparatus and a refrigerant of a heat pump system, comprising: the box body and the heat exchange tube penetrating the box body are provided with a smoke tube interface and a smoke discharging device; the flue gas-containing box is characterized in that two or more guide plates used for dividing the box into two or more guide cavities are arranged in the box, each guide plate is arranged in a downward inclined mode, a flow channel for allowing flue gas to pass through is reserved between one end of each guide plate and the box, and the flow channels of the adjacent guide plates are mutually far away.
2. A condensation evaporator according to claim 1, wherein the deflector is inclined downward at an angle of 5 to 20 degrees.
3. A condensation evaporator according to claim 1, wherein a plurality of condensate water guide grooves for guiding condensate water are provided on the top of each of the guide plates.
4. The condensing evaporator of claim 1, wherein a water accumulation box is connected to the bottom of the box body, and a condensation water outlet is formed in the bottom of the water accumulation box.
5. A condensation evaporator according to claim 1, wherein the fume extractor comprises: a smoke exhaust hood connected with the top of the box body and a smoke exhaust pipe connected with the smoke exhaust hood; a wind shield is rotatably arranged on the smoke exhaust pipe.
6. A condensation evaporator according to claim 1, wherein the smoke tube interface is provided on a side of the housing and is located away from the flow path of the baffle above the smoke tube interface.
7. A condensation evaporator according to claim 1, wherein each of said baffles is connected to a mounting plate for connection to said tank.
8. A condensation evaporator according to claim 1, wherein said heat exchange tube comprises: the heat exchange main pipes are embedded in the box body, and the communication cavities are arranged on two side plates of the box body for installing the heat exchange main pipes and are used for connecting two or more heat exchange main pipes in series.
9. A condensing evaporator according to claim 8 wherein a plurality of mounting bosses for penetrating said heat exchange main tube are provided on both of said side plates, a cover plate is provided on said side plates, and said communicating chamber is provided on said cover plate in cooperation with said mounting bosses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320153598.2U CN220017729U (en) | 2023-02-03 | 2023-02-03 | Condensing evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320153598.2U CN220017729U (en) | 2023-02-03 | 2023-02-03 | Condensing evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220017729U true CN220017729U (en) | 2023-11-14 |
Family
ID=88693594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320153598.2U Active CN220017729U (en) | 2023-02-03 | 2023-02-03 | Condensing evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220017729U (en) |
-
2023
- 2023-02-03 CN CN202320153598.2U patent/CN220017729U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |