CN219284029U - Low-carbon energy-saving heat exchanger - Google Patents
Low-carbon energy-saving heat exchanger Download PDFInfo
- Publication number
- CN219284029U CN219284029U CN202320285244.3U CN202320285244U CN219284029U CN 219284029 U CN219284029 U CN 219284029U CN 202320285244 U CN202320285244 U CN 202320285244U CN 219284029 U CN219284029 U CN 219284029U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- liquid
- cylinder
- heat exchanger
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a low-carbon energy-saving heat exchanger, which comprises a first heat exchange cylinder, a second heat exchange cylinder, a first liquid cylinder and a second liquid cylinder, wherein the cylinder opening of the first heat exchange cylinder is fixedly connected with the cylinder opening of the first liquid cylinder, a first mounting plate is arranged at the end part of the first heat exchange cylinder, a first partition plate is fixedly connected to the first mounting plate, the first partition plate is embedded into the first liquid cylinder, the first liquid cylinder is divided into a first liquid inlet cavity and a first liquid outlet cavity by the first partition plate, a plurality of first liquid inlets are formed in the first mounting plate of the part communicated with the first liquid inlet cavity, and a plurality of first liquid outlets are formed in the first mounting plate of the part communicated with the first liquid outlet cavity.
Description
Technical Field
The utility model relates to the technical field of heat exchange equipment, in particular to a low-carbon energy-saving heat exchanger.
Background
In modern industry, some plants often produce some waste gases with very high heat during production runs, which are not usually heat treated or recycled. For the exhaust gas directly discharged to the outside without heat removal treatment, the exhaust gas has a certain influence on the increase of the ambient temperature, and the unnecessary waste of energy is caused. Therefore, a heat exchanger is generally adopted to collect heat contained in the exhaust gas, which not only changes waste into valuable, but also is beneficial to environmental improvement. However, in the existing heat exchangers, the heat utilization of the exhaust gas is not satisfactory, the heat exchanger cannot fully collect the heat in the exhaust gas, so that the heat exchange efficiency is low, and the waste of resources occurs.
Disclosure of Invention
The utility model overcomes the defects of the prior art and provides the low-carbon energy-saving heat exchanger.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a low-carbon energy-saving heat exchanger, which comprises a first heat exchange cylinder, a second heat exchange cylinder, a first liquid cylinder and a second liquid cylinder, wherein the cylinder opening of the first heat exchange cylinder is fixedly connected with the cylinder opening of the first liquid cylinder, a first mounting plate is arranged at the end part of the first heat exchange cylinder, a first partition plate is fixedly connected to the first mounting plate, the first partition plate is embedded into the first liquid cylinder, the first liquid cylinder is divided into a first liquid inlet cavity and a first liquid outlet cavity by the first partition plate, a plurality of first liquid inlets are formed in the first mounting plate of the part communicated with the first liquid inlet cavity, a plurality of first liquid outlets are formed in the first mounting plate of the part communicated with the first liquid outlet cavity, a plurality of first U-shaped heat exchange tubes are arranged in the first heat exchange cylinder, the input ends of the first U-shaped heat exchange tubes are connected with the first liquid inlets, and the output ends of the first U-shaped heat tubes are connected with the first liquid outlets;
the tube mouth of second heat exchange tube with the tube mouth fixed connection of second liquid section of thick bamboo, the tip of second heat exchange tube is provided with the second mounting panel, fixedly connected with second division board on the second installation, just the second division board embedding the inside of second liquid section of thick bamboo, through the second division board will second liquid section of thick bamboo is cut apart into second feed liquor chamber and second liquid outlet chamber, with a plurality of second feed liquor mouths have been seted up on the second mounting panel of second feed liquor chamber intercommunication part, with a plurality of second liquid outlets have been seted up on the second mounting panel of second liquid outlet chamber intercommunication part, be provided with a plurality of second U type heat exchange tubes in the second heat exchange tube, just the input of second U type heat exchange tube with the second feed liquor mouth is connected, the output of second U type heat exchange tube with the second liquid outlet is connected.
Further, in a preferred embodiment of the present utility model, a first liquid inlet connection pipe is disposed on the first liquid inlet cavity, and a first liquid outlet connection pipe is disposed on the first liquid outlet cavity.
Further, in a preferred embodiment of the present utility model, a second liquid inlet connection pipe is disposed on the second liquid inlet cavity, and a second liquid outlet connection pipe is disposed on the second liquid outlet cavity.
Further, in a preferred embodiment of the present utility model, the first liquid outlet connection pipe is connected to the second liquid inlet connection pipe.
Further, in a preferred embodiment of the present utility model, the first heat exchange tube is provided with a first air inlet connection pipe and a first air outlet connection pipe.
Further, in a preferred embodiment of the present utility model, the second heat exchange tube is provided with a second air inlet connection pipe and a second air outlet connection pipe.
Further, in a preferred embodiment of the present utility model, the first air outlet connection pipe is connected to the second air inlet connection pipe.
Further, in a preferred embodiment of the present utility model, a plurality of first support plates are disposed in the first heat exchange tube, a plurality of first support holes are disposed on the first support plates, and the first U-shaped heat exchange tube is inserted into the first support holes.
Further, in a preferred embodiment of the present utility model, a plurality of second support plates are disposed in the second heat exchange tube, a plurality of second support holes are disposed on the second support plates, and the second U-shaped heat exchange tubes are inserted into the second support holes.
Further, in a preferred embodiment of the present utility model, the heat exchanger further includes a support frame, and the first heat exchange tube and the second heat exchange tube are fixedly installed on the support frame.
The utility model solves the defects existing in the background technology, and has the following beneficial effects: the heat exchanger adopts a two-stage heat exchange mode to collect heat contained in waste gas, can fully collect heat in waste gas, can further improve heat exchange efficiency, avoids insufficient heat exchange caused by too short heat exchange time, avoids the phenomenon that waste gas with too high temperature is discharged outdoors, thereby affecting the environmental temperature and being beneficial to improving the environment.
Drawings
Embodiments of the present utility model will be understood more fully from the accompanying drawings, which are given by way of illustration and description of various embodiments of the utility model, and which should not be taken to limit the utility model to the specific embodiments, but are for explanation and understanding only, and other drawings may be obtained from these drawings by persons of ordinary skill in the art without undue burden;
FIG. 1 is a schematic view of the overall structure of the heat exchanger;
FIG. 2 is a schematic cross-sectional view of the heat exchanger;
FIG. 3 is a schematic structural view of a first mounting plate and a second mounting plate;
FIG. 4 is a schematic structural diagram of a first U-shaped heat exchange tube and a second U-shaped heat exchange tube;
in the figure: 101. a first heat exchange tube; 102. a second heat exchange tube; 103. a first liquid cartridge; 104. a second liquid cartridge; 105. a first mounting plate; 106. a first partition plate; 107. a first liquid inlet chamber; 108. a first liquid outlet cavity; 109. a first liquid inlet; 201. a first liquid outlet; 202. a first U-shaped heat exchange tube; 203. a second mounting plate; 204. a second partition plate; 205. a second liquid inlet cavity; 206. a second liquid outlet cavity; 207. a second liquid inlet; 208. a second liquid outlet; 209. a second U-shaped heat exchange tube; 301. a support frame; 302. a first liquid inlet connection pipe; 303. a first liquid outlet connection pipe; 304. a second liquid inlet connection pipe; 305. a second liquid outlet connecting pipe; 306. a first air inlet connection pipe; 307. a first outlet connection pipe; 308. a second air inlet connection pipe; 309. a second outlet connection pipe; 401. a first support plate; 402. and a second support plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Reference in the specification to "an embodiment," "one embodiment," "some embodiments," or "other embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiments is included in at least some embodiments, but not necessarily all embodiments. Multiple occurrences of "an embodiment," "one embodiment," or "some embodiments" do not necessarily all refer to the same embodiment. If the specification states a component, feature, structure, or characteristic "may", "might", or "could" be included, that particular component, feature, structure, or characteristic is not required to be included. If the specification or claim refers to "a" or "an" element, that does not mean there is only one of the element. If the specification or claims refer to "an additional" element, that does not preclude there being more than one of the additional element. Furthermore, the particular features, structures, functions, or characteristics may be combined in any suitable manner in one or more embodiments. For example, a first embodiment may be combined with a second embodiment as long as the particular features, structures, functions, or characteristics associated with the two embodiments are not mutually exclusive.
In the description of the present utility model, unless otherwise specified the use of the ordinal adjectives "first", "second", and "third", etc., to describe a common object, merely indicate that different instances of like objects are being referred to, and are not intended to imply that the objects so described must be in a given sequence, either temporally, spatially, in ranking, or in any other manner. In the description of the utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, 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 above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Referring to fig. 1-4, the utility model discloses a low-carbon energy-saving heat exchanger, the heat exchanger comprises a first heat exchange cylinder 101, a second heat exchange cylinder 102, a first liquid cylinder 103 and a second liquid cylinder 104, wherein the cylinder opening of the first heat exchange cylinder 101 is fixedly connected with the cylinder opening of the first liquid cylinder 103, the end part of the first heat exchange cylinder 101 is provided with a first mounting plate 105, a first spacing plate 106 is fixedly connected with the first mounting plate, the first spacing plate 106 is embedded into the first liquid cylinder 103, the first liquid cylinder 103 is divided into a first liquid inlet cavity 107 and a first liquid outlet cavity 108 by the first spacing plate 106, a plurality of first liquid inlets 109 are formed in the first mounting plate 105 of the part communicated with the first liquid inlet cavity 107, a plurality of first liquid outlets 201 are formed in the first heat exchange cylinder 101, a plurality of first U-shaped heat pipes 202 are arranged in the first heat exchange cylinder 101, and the first U-shaped heat pipes 202 are connected with the first liquid inlets and the first liquid outlets 201, and the first liquid outlets of the first U-shaped heat pipes 202 are connected with the first liquid inlets and the first liquid outlets 201.
The tube mouth of the second heat exchange tube 102 is fixedly connected with the tube mouth of the second liquid tube 104, a second mounting plate 203 is disposed at the end of the second heat exchange tube 102, a second partition plate 204 is fixedly connected with the second mounting plate, the second partition plate 204 is embedded into the second liquid tube 104, the second liquid tube 104 is divided into a second liquid inlet cavity 205 and a second liquid outlet cavity 206 by the second partition plate 204, a plurality of second liquid inlets 207 are disposed on the second mounting plate 203 of the portion communicated with the second liquid inlet cavity 205, a plurality of second liquid outlets 208 are disposed on the second mounting plate 203 of the portion communicated with the second liquid outlet cavity 206, a plurality of second U-shaped heat exchange tubes 209 are disposed in the second heat exchange tube 102, and the input end of each second U-shaped heat exchange tube 209 is connected with the second liquid inlet cavity 207, and the output end of each second U-shaped heat exchange tube 209 is connected with the second liquid outlet 208.
The heat exchanger further comprises a supporting frame 301, and the first heat exchange tube 101 and the second heat exchange tube 102 are fixedly installed on the supporting frame 301.
It should be noted that, when the present utility model is used, firstly, the high-heat exhaust gas enters the first heat exchange tube 101 along the first air inlet connection tube 306, and the high-heat exhaust gas gradually fills the first heat exchange tube 101, so that each first U-shaped heat exchange tube 202 is wrapped, meanwhile, the cooling water enters the first liquid inlet cavity 107 along the first liquid inlet connection tube 302, then flows into the corresponding first U-shaped heat exchange tube 202 along each first liquid inlet 109 and flows along the first U-shaped heat exchange tube 202, and when the cooling water flows in the first U-shaped heat exchange tube 202, the cooling water exchanges heat with the high-heat exhaust gas wrapped on the first U-shaped heat exchange tube 202, at this time, the cooling water forms warm water, and the high-heat exhaust gas becomes low-heat hot gas, and then the warm water flows out into the first liquid outlet cavity 108 along the first liquid outlet 201, and then the warm water in the first liquid outlet cavity 108 flows into the second liquid inlet cavity 205 along the first liquid outlet pipe and the second liquid outlet pipe 205; at the same time, the hot gas, which becomes low heat, sinks to the bottom of the first heat exchange tube 101 and flows through the first outlet connection tube 307 and the second inlet connection tube 308 to enter the inside of the second heat exchange tube 102.
In the same way, the second heat exchange tube 102 is gradually filled with the low-heat hot gas, so that each second U-shaped heat exchange tube 209 is wrapped, meanwhile, the hot gas entering the second liquid inlet cavity 205 flows into the corresponding second U-shaped heat exchange tube 209 along each second liquid inlet 207 and flows along the second U-shaped heat exchange tube 209, and when warm water flows in the second U-shaped heat exchange tube 209, the warm water and the low-heat hot gas wrapped on the second U-shaped heat exchange tube 209 further exchange heat, at the moment, the warm water forms hot water, low-heat waste gas is changed into low-temperature gas, then the hot water flows out into the second liquid outlet cavity 206 along the second liquid outlet 208, and then the hot water in the second liquid outlet cavity 206 flows out of the second liquid outlet connecting tube 305 so as to be convenient for subsequent utilization; at the same time, the low temperature gas may sink to the bottom of the second heat exchange tube 102 and be discharged from the second outlet nipple 309.
To sum up, this heat exchanger adopts the mode of second grade heat transfer to collect the heat that contains in the waste gas, can fully collect the heat in the waste gas, can further improve heat exchange efficiency, avoids appearing leading to the insufficient phenomenon of heat transfer because of heat transfer time is too short, avoids the too big waste gas discharge outdoor of temperature to influence to ambient temperature, be favorable to improving the environment.
A first liquid inlet connecting pipe 302 is arranged on the first liquid inlet cavity 107, and a first liquid outlet connecting pipe 303 is arranged on the first liquid outlet cavity 108.
It should be noted that, the end portion of the first liquid inlet connection pipe 302 is provided with a flange connection disc, and the first liquid inlet connection pipe 302 can be connected with a cooling water source water supply pipe outside the heat exchanger through the flange connection disc, so as to realize a function of continuously providing cooling water.
A second liquid inlet connecting pipe 304 is disposed on the second liquid inlet cavity 205, and a second liquid outlet connecting pipe 305 is disposed on the second liquid outlet cavity 206.
The first liquid outlet connection pipe 303 is connected with the second liquid inlet connection pipe 304.
It should be noted that, through the flange connection pad between first liquid outlet connection pipe 303 and the second liquid inlet connection pipe 304, on the one hand, the assembly is convenient to detach, on the other hand, better sealing performance can be improved, leakage phenomenon can be avoided, and reliability is improved.
The first heat exchange tube 101 is provided with a first inlet connection tube 306 and a first outlet connection tube 307. A flange connection is likewise provided on the first intake manifold 306 for connecting to an industrial waste gas outlet, in which device a honeycomb dust collector can be provided.
A second air inlet connection pipe 308 and a second air outlet connection pipe 309 are arranged on the second heat exchange barrel 102.
The first outlet connection 307 is connected to the second inlet connection 308.
It should be noted that, the first air outlet connection pipe 307 and the second air inlet connection pipe 308 are connected through a flange, so that on one hand, the disassembly and the assembly are convenient, on the other hand, the better sealing performance can be improved, the leakage phenomenon can be avoided, and the reliability is improved.
A plurality of first support plates 401 are arranged in the first heat exchange tube 101, a plurality of first support holes are formed in the first support plates 401, and the first U-shaped heat exchange tubes 202 are inserted into the first support holes.
It should be noted that, a certain supporting force is provided to the first U-shaped heat exchange tube 202 by the first supporting plate 401, so that the transition bending phenomenon of the first U-shaped heat exchange tube 202 can be avoided, and the heat exchange function is further ensured.
A plurality of second support plates 402 are arranged in the second heat exchange tube 102, a plurality of second support holes are formed in the second support plates 402, and the second U-shaped heat exchange tubes 209 are inserted into the second support holes.
It should be noted that, a certain supporting force is provided to the second U-shaped heat exchange tube 209 by the second supporting plate 402, so that the second U-shaped heat exchange tube 209 is prevented from being excessively bent, and the heat exchange function is further ensured.
The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (10)
1. The utility model provides a low-carbon energy-saving heat exchanger which characterized in that: the heat exchanger comprises a first heat exchange cylinder, a second heat exchange cylinder, a first liquid cylinder and a second liquid cylinder, wherein the cylinder opening of the first heat exchange cylinder is fixedly connected with the cylinder opening of the first liquid cylinder, a first mounting plate is arranged at the end part of the first heat exchange cylinder, a first partition plate is fixedly connected to the first mounting plate, the first partition plate is embedded into the first liquid cylinder, the first liquid cylinder is divided into a first liquid inlet cavity and a first liquid outlet cavity through the first partition plate, a plurality of first liquid inlets are formed in the first mounting plate of the part communicated with the first liquid inlet cavity, a plurality of first liquid outlets are formed in the first mounting plate of the part communicated with the first liquid outlet cavity, a plurality of first U-shaped heat exchange pipes are arranged in the first heat exchange cylinder, the input ends of the first U-shaped heat exchange pipes are connected with the first liquid inlets, and the output ends of the first U-shaped heat exchange pipes are connected with the first liquid outlets;
the tube mouth of second heat exchange tube with the tube mouth fixed connection of second liquid section of thick bamboo, the tip of second heat exchange tube is provided with the second mounting panel, fixedly connected with second division board on the second installation, just the second division board embedding the inside of second liquid section of thick bamboo, through the second division board will second liquid section of thick bamboo is cut apart into second feed liquor chamber and second liquid outlet chamber, with a plurality of second feed liquor mouths have been seted up on the second mounting panel of second feed liquor chamber intercommunication part, with a plurality of second liquid outlets have been seted up on the second mounting panel of second liquid outlet chamber intercommunication part, be provided with a plurality of second U type heat exchange tubes in the second heat exchange tube, just the input of second U type heat exchange tube with the second feed liquor mouth is connected, the output of second U type heat exchange tube with the second liquid outlet is connected.
2. A low carbon, energy efficient heat exchanger according to claim 1, wherein: the first liquid inlet cavity is provided with a first liquid inlet connecting pipe, and the first liquid outlet cavity is provided with a first liquid outlet connecting pipe.
3. A low carbon, energy efficient heat exchanger according to claim 2, wherein: the second liquid inlet cavity is provided with a second liquid inlet connecting pipe, and the second liquid outlet cavity is provided with a second liquid outlet connecting pipe.
4. A low carbon, energy efficient heat exchanger according to claim 3 wherein: the first liquid outlet connecting pipe is connected with the second liquid inlet connecting pipe.
5. A low carbon, energy efficient heat exchanger according to claim 1, wherein: the first heat exchange tube is provided with a first air inlet connecting tube and a first air outlet connecting tube.
6. The low carbon, energy efficient heat exchanger according to claim 5, wherein: and a second air inlet connecting pipe and a second air outlet connecting pipe are arranged on the second heat exchange cylinder.
7. The low carbon, energy efficient heat exchanger according to claim 6, wherein: the first air outlet connecting pipe is connected with the second air inlet connecting pipe.
8. A low carbon, energy efficient heat exchanger according to claim 1, wherein: a plurality of first support plates are arranged in the first heat exchange tube, a plurality of first support holes are formed in the first support plates, and the first U-shaped heat exchange tubes are inserted into the first support holes.
9. A low carbon, energy efficient heat exchanger according to claim 1, wherein: a plurality of second supporting plates are arranged in the second heat exchange cylinder, a plurality of second supporting holes are formed in the second supporting plates, and the second U-shaped heat exchange tubes are inserted into the second supporting holes.
10. A low carbon, energy efficient heat exchanger according to claim 1, wherein: the heat exchanger further comprises a supporting frame, and the first heat exchange cylinder and the second heat exchange cylinder are fixedly installed on the supporting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320285244.3U CN219284029U (en) | 2023-02-22 | 2023-02-22 | Low-carbon energy-saving heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320285244.3U CN219284029U (en) | 2023-02-22 | 2023-02-22 | Low-carbon energy-saving heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219284029U true CN219284029U (en) | 2023-06-30 |
Family
ID=86916951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320285244.3U Active CN219284029U (en) | 2023-02-22 | 2023-02-22 | Low-carbon energy-saving heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219284029U (en) |
-
2023
- 2023-02-22 CN CN202320285244.3U patent/CN219284029U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212342696U (en) | Harmonica tubular construction liquid cooling plate with increase battery module cooling area | |
| CN216161800U (en) | Energy storage battery thermal management system | |
| CN219284029U (en) | Low-carbon energy-saving heat exchanger | |
| CN210432274U (en) | Community is with 5G communication edge base station liquid cooling system | |
| CN212962300U (en) | High-performance super-cooled condenser | |
| CN214698249U (en) | Air compressor machine cooling system | |
| CN211982433U (en) | High-temperature rectification device of single-bin cabinet | |
| CN213270168U (en) | Heat dissipation device of wind generating set | |
| CN209027335U (en) | Plate communicate-type plate heat exchanger | |
| CN219457751U (en) | Novel U-shaped mouth organ pipe type cold plate | |
| CN220304335U (en) | Cold and hot energy conversion device | |
| CN216308733U (en) | Collecting pipe assembly of efficient heat exchange evaporator for vehicle | |
| CN220853224U (en) | Pipe for refrigeration equipment | |
| CN216523320U (en) | Novel gas and gas heat exchange device | |
| CN213028415U (en) | 5G cabinet-machine integrated base station | |
| CN218154582U (en) | Series connection mechanism of heat exchanger for gas heat pump air conditioner | |
| CN218820749U (en) | Domestic capillary radiation convection type refrigerating device | |
| CN220895629U (en) | Harmonica pipe liquid cooling plate water chamber structure | |
| CN217004973U (en) | Heat recovery type water chilling unit | |
| CN216744595U (en) | Air conditioning system for foaming workshop | |
| CN210108113U (en) | Gas-liquid heat exchange structure for recovering exhaust waste heat | |
| CN219177751U (en) | Modular condensing device | |
| CN216815095U (en) | Radiator with equal enthalpy cooling spraying | |
| CN215675922U (en) | Efficient air source heat pump | |
| CN217483300U (en) | Energy-saving fin heat exchanger of heating machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |