CN219140896U - Methanol wall-mounted furnace and solar heating linkage system - Google Patents
Methanol wall-mounted furnace and solar heating linkage system Download PDFInfo
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- CN219140896U CN219140896U CN202222789149.5U CN202222789149U CN219140896U CN 219140896 U CN219140896 U CN 219140896U CN 202222789149 U CN202222789149 U CN 202222789149U CN 219140896 U CN219140896 U CN 219140896U
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Abstract
The utility model discloses a methanol wall-mounted furnace and solar heating linkage system, which comprises: the system comprises a methanol wall-mounted furnace heating system, a solar heat collection system and a control center; a linkage heat exchange device is also arranged in the methanol wall-mounted furnace main body; a linkage circulating waterway and a linkage circulating water pump are arranged between the linkage heat exchange device and the water storage tank; the linkage heat exchange device is arranged at a backwater section of the heating circulating waterway and is used for transferring heat carried by water in the linkage circulating waterway to the water in the heating circulating waterway. The utility model uses the heat collected by the solar heat collection system to preheat the low-temperature backwater of the heating circulation waterway for one time, can improve the backwater temperature entering the heat exchanger, reduce the heat required to be provided by the heat exchanger, the fire-exhaust burner and other elements, reduce the working strength and prolong the service life of the whole methanol wall-mounted stove; the collocation of two clean energy sources of methanol and solar energy is more in line with the concept of green development.
Description
Technical Field
The utility model relates to the technical field of heating equipment, in particular to a methanol wall-mounted furnace and solar heating linkage system.
Background
The wall-mounted boiler has a powerful home central heating function, can meet the heating requirements of multiple rooms, and can set comfortable temperature at will according to the requirements. Methanol is a relatively environment-friendly fuel, and along with research and development, the methanol wall-mounted furnace is gradually replaced by the methanol wall-mounted furnace, so that the methanol wall-mounted furnace is favored by the market. The methanol wall-mounted furnace is used for heating independently, the alcohol-based fuel is required to be continuously supplied, larger energy consumption exists, the expenditure of a user is larger, and the environment-friendly cleaning concept is not met; and the methanol fuel is more troublesome to supplement than natural gas or liquefied petroleum gas, frequent methanol fuel supplementation can reduce purchasing and configuring desire of users, and the methanol wall-mounted furnace can work with high power for a long time, can aggravate ageing of elements such as a heat exchanger water tank, a fire grate, a methanol pump and the like, and is difficult to ensure longer service life.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a methanol wall-mounted furnace and solar heating linkage system.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: a methanol wall-hanging stove and solar heating linkage system, comprising: the system comprises a methanol wall-mounted furnace heating system, a solar heat collection system and a control center;
the heating system of the methanol wall-mounted furnace comprises a methanol wall-mounted furnace main body, a heating radiator, a heating circulating water pump and a heating circulating water channel; a combustion chamber, a burner, a methanol pump and a heat exchanger are arranged in the methanol wall-mounted furnace main body; the heating circulating waterway is connected with the heat exchanger; the combustion chamber is arranged below the heat exchanger, and the methanol pump can supply methanol to a combustor in the combustion chamber; the heating radiator is connected with the methanol wall-mounted furnace main body through the heating circulating waterway;
the solar heat collection system comprises a solar heat collection device, a water storage tank, a solar circulating waterway and a solar water pump; the water storage tank is connected with the solar heat collection device through a solar circulating waterway;
a linkage heat exchange device is also arranged in the methanol wall-mounted furnace main body; a linkage circulating water path and a linkage circulating water pump are arranged between the linkage heat exchange device and the water storage tank; the linkage heat exchange device is arranged on a backwater section of the heating circulating waterway and is used for transferring heat carried by water in the linkage circulating waterway to the water in the heating circulating waterway;
and the control center is respectively and electrically connected with the methanol pump, the heating circulating water pump, the linkage circulating water pump and the solar water pump.
Optionally, the methanol wall-mounted boiler body is internally provided with a methanol vaporizer, and the methanol vaporizer is arranged between the methanol pump and the burner.
Optionally, the water storage tank is provided with a water tank temperature probe for measuring the temperature of the water body in the water storage tank; the heating circulating waterway is provided with a backwater temperature sensor; the backwater temperature sensor is positioned at the front end of the linkage heat exchange device and is used for measuring the temperature of the water body in the backwater section of the heating circulating waterway; the water tank temperature probe and the backwater temperature sensor are electrically connected with the control center.
Optionally, the heating circulation waterway is provided with a water outlet temperature sensor electrically connected with the control center; the water outlet temperature sensor is arranged at the rear end of the heat exchanger and is used for measuring the temperature of the water outlet section of the heating circulating waterway.
Optionally, the methanol wall-mounted furnace main body is also provided with a sealing chamber and a variable-frequency adjustable-speed fan; the combustion chamber and the heat exchanger are arranged in the sealing chamber, and the variable-frequency speed-adjustable fan is arranged above the heat exchanger; the variable-frequency adjustable-speed fan is electrically connected with the control center.
Optionally, a heating water outlet temperature limiter is arranged at the water outlet end of the heat exchanger, and the heating water outlet temperature limiter is electrically connected with the control center.
Optionally, the heating circulation waterway comprises a plurality of safety devices; the safety device comprises one or more of a water pressure sensor, a flow sensor, a safety valve and an expansion water tank.
Optionally, the heating radiator, the solar heat collecting device and the water storage tank are all provided with automatic exhaust valves.
Optionally, the water storage tank is provided with a water supplementing valve and a water outlet valve.
Optionally, the solar energy circulating waterway and the linkage circulating waterway are provided with filters.
The utility model has the beneficial effects that: the methanol pump is connected with a methanol fuel pipe, can pump methanol out and convey the methanol to the burner, and ignites in the combustion chamber through the ignition needle and transfers heat to the heat exchanger; the heating circulation waterway absorbs heat in the heat exchanger to heat the water body and transfers the heat to the heating radiator to heat. The product after the methanol is combusted is single and environment-friendly, and accords with the concept of green development. The solar heat collection system can collect solar heat by utilizing a solar heat collection device, heat water in a solar circulating waterway and store heated hot water in a water storage tank; the linkage circulating waterway can pump hot water in the water storage tank for circulation; the water return sections of the linkage circulating waterway and the heating circulating waterway pass through the linkage heat exchange device, so that heat carried by water bodies in the linkage circulating waterway is transferred to low-temperature water bodies in the heating circulating waterway, and low-temperature water return of the heating circulating waterway is preheated once; and then sent to a heat exchanger for secondary heating. The control center adjusts each circulating waterway by coordinating the heating circulating water pump, the linkage circulating water pump and the solar water pump, and changes the heating power of the methanol wall-mounted furnace by adjusting the methanol pump. The utility model uses the heat collected by the solar heat collection system to preheat the low-temperature backwater of the heating circulation waterway for one time, can improve the backwater temperature entering the heat exchanger, reduce the heat required to be provided by the heat exchanger, the fire exhaust burner and other elements, reduce the working intensity, and the solar energy is sustainable clean energy, thereby effectively reducing the energy consumption of the methanol wall-mounted furnace, reducing the expenditure of users, reducing the operation power of the heat exchanger, the fire exhaust burner and other elements, and prolonging the service life of the whole methanol wall-mounted furnace; the collocation of two clean energy sources of methanol and solar energy is more in line with the concept of green development.
In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural view of a methanol wall-mounted furnace according to the present utility model;
fig. 2 is a schematic structural diagram of the methanol wall-hanging stove and the solar energy linkage heating system of the utility model.
Description of main reference numerals:
100. a heating system of the methanol wall-mounted furnace; 110. a methanol wall-mounted furnace main body; 111. a combustion chamber; 112. a burner; 113. a methanol pump; 114. a heat exchanger; 115. a methanol vaporizer; 116. a sealed chamber; 117. variable frequency adjustable speed fan; 118. heating water outlet temperature limiter; 120. a heating radiator; 130. a heating circulating water pump; 140. a heating circulation waterway; 141. a backwater temperature sensor; 142. a water outlet temperature sensor; 143. a water pressure sensor; 144. a flow sensor; 145. a safety valve; 146. an expansion tank; 200. a solar heat collection system; 210. a solar heat collection device; 220. a water storage tank; 221. a water tank temperature probe; 222. a water supplementing valve; 223. a water outlet valve; 230. a solar energy circulating waterway; 240. a solar water pump; 300. a linkage heat exchange device; 310. a linkage circulating waterway; 320. a linkage circulating water pump; 400. an automatic exhaust valve; 500. and (3) a filter.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.
Examples
Referring to fig. 1 and 2, the utility model provides a methanol wall-mounted stove and solar heating linkage system, comprising: the system comprises a methanol wall-mounted furnace heating system 100, a solar heat collection system 200 and a control center;
the methanol wall-mounted furnace heating system 100 comprises a methanol wall-mounted furnace main body 110, a heating radiator 120, a heating circulating water pump 130 and a heating circulating water channel 140; a combustion chamber 111, a burner 112, a methanol pump 113 and a heat exchanger 114 are arranged in the methanol wall-mounted furnace main body 110; the heating circulation waterway 140 is connected to the heat exchanger 114; the combustion chamber 111 is disposed below the heat exchanger 114, and the methanol pump 113 may supply methanol to the burner 112 in the combustion chamber 111; the heating radiator 120 is connected with the methanol wall-mounted furnace main body 110 through a heating circulating waterway 140;
the solar heat collection system 200 comprises a solar heat collection device 210, a water storage tank 220, a solar circulating waterway 230 and a solar water pump 240; the water storage tank 220 and the solar heat collecting device 210 are connected through a solar circulating waterway 230;
a linkage heat exchange device 300 is also arranged in the methanol wall-mounted furnace main body 110; a linkage circulating water path 310 and a linkage circulating water pump 320 are arranged between the linkage heat exchange device 300 and the water storage tank 220; the linkage heat exchange device 300 is arranged at the backwater section of the heating circulation waterway 140 and is used for transferring heat carried by water in the linkage circulation waterway 310 to the water in the heating circulation waterway 140;
the control center is electrically connected with the methanol pump 113, the heating circulating water pump 130, the linkage circulating water pump 320 and the solar water pump 240, respectively.
In the present utility model, a methanol pump 113 is connected to a methanol fuel pipe, and can pump methanol out and deliver the methanol to a burner 112, and the methanol is ignited in a combustion chamber 111 by an ignition needle and transfer heat to a heat exchanger 114; the heating circulation waterway 140 absorbs heat in the heat exchanger 114 to heat the water body, and transfers the heat to the heating radiator 120 to perform heating. The product after the methanol is combusted is single and environment-friendly, and accords with the concept of green development. The solar heat collection system 200 can collect solar heat by using the solar heat collection device 210, heat the water body in the solar circulating waterway 230, and store the heated hot water in the water storage tank 220; the linkage circulating waterway 310 can pump hot water in the water storage tank 220 for circulation; the return water sections of the linkage circulating waterway 310 and the heating circulating waterway 140 pass through the linkage heat exchange device 300, so that the heat carried by the water body in the linkage circulating waterway 310 is transferred to the low-temperature water body in the heating circulating waterway 140, and the low-temperature return water of the heating circulating waterway 140 is preheated once; and then sent to heat exchanger 114 for secondary heating. The control center adjusts each circulation waterway by coordinating the heating circulation water pump 130, the linkage circulation water pump 320 and the solar water pump 240, and changes the heating power of the methanol wall-mounted furnace by adjusting the methanol pump 113. The utility model uses the heat collected by the solar heat collection system 200 to preheat the low-temperature backwater of the heating circulation waterway 140 for one time, can improve the backwater temperature entering the heat exchanger 114, reduce the heat required to be provided by the heat exchanger 114, the fire grate burner 112 and other elements, reduce the working strength, and the solar energy is sustainable clean energy, can effectively reduce the energy consumption of the methanol wall-mounted furnace, reduce the expenditure of users, and can reduce the running power of the heat exchanger 114, the fire grate burner 112 and other elements, and prolong the service life of the whole methanol wall-mounted furnace; the collocation of two clean energy sources of methanol and solar energy is more in line with the concept of green development.
In this embodiment, a methanol vaporizer 115 is further disposed in the methanol wall-hanging stove main body 110, and the methanol vaporizer 115 is disposed between the methanol pump 113 and the burner 112. The combustion of the methanol fuel can be fully mixed with oxygen for combustion after heating and vaporization, and the methanol in the normal temperature environment is in a liquid state. For this purpose, a methanol vaporizer 115 is further provided between the methanol pump 113 and the burner 112, and the methanol fuel is heated and vaporized after being fed into the methanol vaporizer 115, and then is fed to the burner 112, thereby performing a sufficiently efficient combustion. The methanol vaporizer 115 may be heated by an electric heating element, or may be located near the combustion chamber 111, and the heat of the combustion chamber 111 may be used to vaporize the methanol.
In this embodiment, the water tank 220 is provided with a water tank temperature probe 221 for measuring the temperature of the water body in the water tank 220; the heating circulation waterway 140 is provided with a backwater temperature sensor 141; the backwater temperature sensor 141 is located at the front end of the linkage heat exchange device 300 and is used for measuring the temperature of the water body in the backwater section of the heating circulation waterway 140; the tank temperature probe 221 and the return water temperature sensor 141 are both electrically connected with the control center. The water tank temperature probe 221 can detect the temperature of the water body in the water storage tank 220 and feed back to the control center, and the backwater temperature sensor 141 can measure the temperature of the water body in the backwater section of the heating circulation waterway 140 and feed back to the control center, and the control center can select to turn on or off the solar water pump 240 by continuously monitoring and comparing, so as to turn on or off the linkage circulation waterway 310.
For example, in a weather or daytime environment with strong illumination, when the water temperature of the water storage tank 220 is higher than the water temperature of the heating backwater, the linkage circulating waterway 310 is opened, and the heating backwater is preheated once by using the high temperature water of the water storage tank 220; in the weather or night environment with weak illumination, when the water temperature of the heating backwater is higher than the water temperature of the water storage tank 220, the linkage circulating water channel 310 is closed, so that the solar heat collection system 200 is in a stopped, heat-preserving or reheating state, and the solar heat collection system is reheated until the water temperature of the water storage tank 220 is increased next time. The dynamic adjustment of the electric wall-mounted furnace and solar energy linkage is achieved.
In this embodiment, the heating circulation waterway 140 is provided with a water outlet temperature sensor 142 electrically connected with the control center; the outlet water temperature sensor 142 is disposed at the rear end of the heat exchanger 114, and is used for measuring the temperature of the outlet water section of the heating circulation water path 140. The outlet water temperature sensor 142 can measure the water temperature of the outlet water section of the heating circulation water path 140 after being heated by the heat exchanger 114 and feed back to the control center, and the control center can adjust the overall water temperature and heating performance of the heating water path by comparing the return water temperature of the circulation water path with the outlet water temperature, matching and adjusting the power of the heat exchanger 114 and the flow of the heating circulation water pump 130.
Further, the methanol wall-mounted boiler main body 110 is also provided with a sealing chamber 116 and a variable frequency speed-adjustable fan 117; the combustion chamber 111 and the heat exchanger 114 are arranged in the sealing chamber 116, and the variable-frequency speed-adjustable fan 117 is arranged above the heat exchanger 114; the variable frequency adjustable speed fan 117 is electrically connected with the control center. The sealing chamber 116 limits the air inlet and outlet paths of the combustion chamber 111, the quantity of air entering the sealing chamber 116 is similar to the quantity of air sent out of the combustion chamber 111 by the fan drive, and the variable-frequency adjustable-speed fan 117 can more accurately adjust the flow of air in the combustion chamber 111 due to the sealing structure of the sealing chamber 116 so as to enable the air flow to be more matched with the fire power of the combustor 112; the control center can accurately control the flow of the gas in the combustion chamber 111 through the variable frequency speed-adjustable fan 117, so that the combustion efficiency is at a better value while the combustion power is adjusted by matching with the methanol pump 113.
In the present embodiment, the water outlet end of the heat exchanger 114 is provided with a heating water outlet temperature limiter 118, and the heating water outlet temperature limiter 118 is electrically connected with the control center. When the heating circulation waterway 140 is blocked or other faults occur, the heat of the heat exchanger 114 cannot be dissipated, and when the water temperature of the water outlet of the heating circulation waterway 140 is too high, the control center can timely close the methanol pump 113, and the burner 112 works, so that high-temperature protection is realized.
Further, the heating circulation waterway 140 includes a plurality of safety devices; the safety devices include one or more of a water pressure sensor 143, a flow sensor 144, a safety valve 145, and an expansion tank 146. When faults such as overheating and pressure non-conforming of the system, water shortage and the like occur in operation, the system can be automatically stopped to ensure safety, and the waterway structure has higher stable safety performance.
In the present embodiment, the heating radiator 120, the solar heat collecting device 210, and the water storage tank 220 are provided with an automatic exhaust valve 400. Relatively obvious water flow and heat exchange processes exist in the heating radiator 120, the solar heat collecting device 210 and the water storage tank 220, and gas accumulated in the waterway is timely discharged through the automatic exhaust valve 400, so that potential safety hazards are reduced.
In the present embodiment, the water storage tank 220 is provided with a water replenishment valve 222 and a water outlet valve 223. Solar hot water collected in the water storage tank 220 can be used for providing domestic bathroom hot water through the water outlet valve 223; when the water in the water storage tank 220 is insufficient, water can be supplemented by the water supplementing valve 222.
In addition, since the solar circulation waterway 230 and the linkage circulation waterway 310 connected to the water storage tank 220 are both open waterways, the connected water source may carry dirt or impurities, and the filter 500 is required to be filtered and cleaned, so that the waterway operation stability can be maintained. The solar circulation waterway 230 and the link circulation waterway 310 are provided with a filter 500.
Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are included in the scope of the present utility model as defined in the appended claims.
Claims (10)
1. A methanol hanging stove and solar heating linked system which characterized in that includes: the system comprises a methanol wall-mounted furnace heating system (100), a solar heat collection system (200) and a control center;
the heating system (100) of the methanol wall-mounted furnace comprises a methanol wall-mounted furnace main body (110), a heating radiator (120), a heating circulating water pump (130) and a heating circulating water channel (140); a combustion chamber (111), a burner (112), a methanol pump (113) and a heat exchanger (114) are arranged in the methanol wall-mounted furnace main body (110); the heating circulation waterway (140) is connected with the heat exchanger (114); the combustion chamber (111) is arranged below the heat exchanger (114), and the methanol pump (113) can supply methanol to a combustor (112) in the combustion chamber (111); the heating radiator (120) is connected with the methanol wall-mounted furnace main body (110) through the heating circulating waterway (140);
the solar heat collection system (200) comprises a solar heat collection device (210), a water storage tank (220), a solar circulating waterway (230) and a solar water pump (240); the water storage tank (220) is connected with the solar heat collecting device (210) through a solar circulating waterway (230);
a linkage heat exchange device (300) is further arranged in the methanol wall-mounted furnace main body (110); a linkage circulating water channel (310) and a linkage circulating water pump (320) are arranged between the linkage heat exchange device (300) and the water storage tank (220); the linkage heat exchange device (300) is arranged at a backwater section of the heating circulating waterway (140) and is used for transferring heat carried by water in the linkage circulating waterway (310) to the water in the heating circulating waterway (140);
the control center is electrically connected with the methanol pump (113), the heating circulating water pump (130), the linkage circulating water pump (320) and the solar water pump (240) respectively.
2. The methanol wall-hung stove and solar heating linkage system according to claim 1, wherein: still be provided with methyl alcohol vaporizer (115) in methyl alcohol hanging stove main part (110), methyl alcohol vaporizer (115) set up in between methyl alcohol pump (113) and combustor (112).
3. The methanol wall-hung stove and solar heating linkage system according to claim 1, wherein: the water storage tank (220) is provided with a water tank temperature probe (221) for measuring the temperature of the water body in the water storage tank (220); the heating circulating water channel (140) is provided with a backwater temperature sensor (141); the backwater temperature sensor (141) is positioned at the front end of the linkage heat exchange device (300) and is used for measuring the temperature of the water body in the backwater section of the heating circulation waterway (140); the water tank temperature probe (221) and the backwater temperature sensor (141) are electrically connected with the control center.
4. The methanol wall-hung stove and solar heating linkage system according to claim 3, wherein: the heating circulating waterway (140) is provided with a water outlet temperature sensor (142) which is electrically connected with the control center; the outlet water temperature sensor (142) is arranged at the rear end of the heat exchanger (114) and is used for measuring the temperature of the outlet water section of the heating circulating water channel (140).
5. The methanol wall-hung stove and solar heating linkage system according to claim 4, wherein: the methanol wall-mounted furnace main body (110) is also provided with a sealing chamber (116) and a variable-frequency adjustable-speed fan (117); the combustion chamber (111) and the heat exchanger (114) are arranged in the sealing chamber (116), and the variable-frequency speed-adjustable fan (117) is arranged above the heat exchanger (114); the variable-frequency adjustable-speed fan (117) is electrically connected with the control center.
6. The methanol wall-hung stove and solar heating linkage system according to claim 1, wherein: the water outlet end of the heat exchanger (114) is provided with a heating water outlet temperature limiter (118), and the heating water outlet temperature limiter (118) is electrically connected with the control center.
7. The methanol wall-hung stove and solar heating linkage system according to claim 1, wherein: the heating circulation waterway (140) comprises a plurality of safety devices; the safety device comprises one or more of a water pressure sensor (143), a flow sensor (144), a safety valve (145) and an expansion tank (146).
8. The methanol wall-hung stove and solar heating linkage system according to claim 1, wherein: the heating radiator (120), the solar heat collecting device (210) and the water storage tank (220) are all provided with an automatic exhaust valve (400).
9. The methanol wall-hung stove and solar heating linkage system according to claim 1, wherein: the water storage tank (220) is provided with a water supplementing valve (222) and a water outlet valve (223).
10. The methanol wall-hung stove and solar heating linkage system according to claim 1, wherein: the solar energy circulating waterway (230) and the linkage circulating waterway (310) are provided with filters (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222789149.5U CN219140896U (en) | 2022-10-21 | 2022-10-21 | Methanol wall-mounted furnace and solar heating linkage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222789149.5U CN219140896U (en) | 2022-10-21 | 2022-10-21 | Methanol wall-mounted furnace and solar heating linkage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219140896U true CN219140896U (en) | 2023-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222789149.5U Active CN219140896U (en) | 2022-10-21 | 2022-10-21 | Methanol wall-mounted furnace and solar heating linkage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219140896U (en) |
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2022
- 2022-10-21 CN CN202222789149.5U patent/CN219140896U/en active Active
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