CN115031407B - Self-generating strong-exhaust gas water heater - Google Patents
Self-generating strong-exhaust gas water heater Download PDFInfo
- Publication number
- CN115031407B CN115031407B CN202210694673.6A CN202210694673A CN115031407B CN 115031407 B CN115031407 B CN 115031407B CN 202210694673 A CN202210694673 A CN 202210694673A CN 115031407 B CN115031407 B CN 115031407B
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- Prior art keywords
- pipeline
- gas
- water heater
- combustion furnace
- strong exhaust
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 239000007789 gas Substances 0.000 claims abstract description 55
- 238000002485 combustion reaction Methods 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 8
- 229910052744 lithium Inorganic materials 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000003546 flue gas Substances 0.000 claims description 5
- 238000012806 monitoring device Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 16
- 239000003345 natural gas Substances 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 7
- 239000002737 fuel gas Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
- F24H1/145—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/212—Temperature of the water
- F24H15/219—Temperature of the water after heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/235—Temperature of exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
A self-generating strong exhaust gas water heater belongs to the technical field of household appliances. It includes a T-shaped burner; the T-shaped burner is arranged in the combustion furnace, and the lower end of the T-shaped burner is connected with the gas valve and the gas inlet; a heating pipe is arranged in the combustion furnace, one end of the heating pipe is connected with the steam cylinder, and the other end of the heating pipe is connected with a water tank with a heat exchange pipeline inside; the turbine in the steam cylinder is in transmission connection with the deceleration direct current generator; the upper end of the combustion furnace is connected with a strong exhaust fan, one end of the strong exhaust fan is connected with a tail gas pipeline, and a preheating pipeline is arranged in the tail gas pipeline; the upper end of the preheating pipeline is connected with the water inlet, and the lower end is connected with one end of the heat exchange pipeline. The water heater only needs to input natural gas as a unique external energy source, does not need to be integrated into a household circuit, and adopts an internal low-voltage circuit for circulation, so that the safety is good; the socket is not required to be reserved during household installation, and the installation requirement is low; and the heat of the fuel gas is fully utilized in a step heat exchange mode, so that the energy is saved and the environment is protected.
Description
Technical Field
The invention belongs to the technical field of household appliances, and particularly relates to a self-generating strong-exhaust gas water heater.
Background
The water heater is a kind of domestic equipment that is indispensable at present, and it mainly has three kinds: solar water heater, electric water heater and gas water heater. Because of the limitations of intermittence, installation space and the like of the solar water heater, the electric water heater and the gas water heater are mostly adopted in the home decoration at present. The gas water heater is popular with families because of the advantages of instant heating, good economy, simple maintenance and the like.
The gas water heater heats water by burning natural gas to supply the water to users, and because the gas water heater is internally provided with an exhaust fan, electronic elements, a display and the like, the gas water heater needs to be externally supplied with power, and the installation area of the gas water heater is limited to be provided with a gas interface and a socket at the same time. The gas water heater not only reduces the integrity and economy of the gas water heater, but also has certain potential safety hazard.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide the self-generating strong exhaust gas water heater which takes natural gas as the only external energy source, can reduce the installation requirement of gas hot water and improves the applicability and the safety of the self-generating strong exhaust gas water heater.
The invention provides the following technical scheme: a self-generating strong exhaust gas water heater comprises a T-shaped burner, a combustion furnace, a strong exhaust fan, a steam cylinder, a deceleration direct current generator, a water tank and a controller;
The T-shaped burner is arranged in the combustion furnace, and the lower end of the T-shaped burner is connected with the gas valve and the gas inlet; a heating pipe is further arranged in the combustion furnace, one end of the heating pipe is connected with the steam cylinder, the other end of the heating pipe is connected with a water tank with a heat exchange pipeline arranged in the combustion furnace, and the upper part of the water tank is communicated with the upper part of the steam cylinder; a group of turbines are arranged in the steam cylinder, and the group of turbines are in transmission connection with the deceleration direct current generator; the upper end of the combustion furnace is connected with a strong exhaust fan, one end of the strong exhaust fan is connected with a tail gas pipeline, and a preheating pipeline is arranged in the tail gas pipeline; the upper end of the preheating pipeline is connected with the water inlet, the lower end of the preheating pipeline is connected with one end of the heat exchange pipeline, and the other end of the heat exchange pipeline is connected with the water outlet and the pressure release valve.
Furthermore, one end of the heating pipe is connected with the steam cylinder through the spray pipe.
Further, a first-stage turbine, a second-stage turbine and a third-stage turbine are sequentially arranged in the steam cylinder from top to bottom, the three turbines are connected with the output end of the deceleration direct current generator through a driving shaft, and a sealing shaft sleeve is arranged on the driving shaft; and the deceleration direct current generator is connected with the lithium battery through a direct current lead.
Further, the tail end of the tail gas pipeline is connected with an exhaust port, and the lower end of the exhaust port is connected with a condensate water outlet; the tail end of the tail gas pipeline is provided with a CO monitoring device.
Further, the upper end of the preheating pipeline is provided with a filter screen at the water inlet, and a water inlet valve is arranged below the filter screen.
Further, a group of partition boards are arranged in the water tank.
Further, a one-way air valve is arranged at the water inlet end of the heating pipe.
Further, the other end of the heat exchange pipeline is provided with a temperature monitor.
Further, a flue gas temperature monitor is arranged on the wall surface of the combustion furnace.
Further, the lithium battery is connected with the strong exhaust fan, the controller and each monitor through wires.
By adopting the technology, compared with the prior art, the invention has the following beneficial effects:
The water heater only needs to input natural gas as a unique external energy source, does not need to be integrated into a household circuit, and adopts an internal low-voltage circuit for circulation, so that the safety is good; the socket is not required to be reserved during household installation, and the installation requirement is low; and the heat of the fuel gas is fully utilized in a step heat exchange mode, so that the energy is saved and the environment is protected.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the water tank of the present invention;
FIG. 3 is a schematic diagram of a connection structure between a deceleration DC generator and a steam cylinder in the present invention;
FIG. 4 is a diagram showing the connection structure of the strong exhaust fan and the tail gas pipeline in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and examples of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
On the contrary, the invention is intended to cover any alternatives, modifications, equivalents, and variations as may be included within the spirit and scope of the invention as defined by the appended claims. Further, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention. The present invention will be fully understood by those skilled in the art without the details described herein.
Referring to fig. 1-4, a self-generating strong exhaust gas water heater comprises a T-type burner 3, a combustion furnace 6, a strong exhaust fan 8, a heating pipe 5, a steam cylinder 27, a deceleration direct current generator 16, a water tank 17, a heat exchange pipeline 18, a lithium battery 25 and a controller 26.
Specifically, the T-shaped burner 3 is arranged in the combustion furnace 6, the lower end of the T-shaped burner is connected with the gas valve 1 and the gas inlet 2, and the upper end of the T-shaped burner 3 is provided with an ignition needle 4;
Specifically, the heating pipe 5 is led into the combustion furnace 6, one end of the heating pipe is connected with the spray pipe 12, one end of the heating pipe is connected with the water tank 17, a one-way air valve 31 is arranged between the heating pipe 5 and the water tank 17, and the right end of the spray pipe 12 is connected with the steam cylinder 27; the upper portion of the water tank 17 communicates with the upper portion of the steam cylinder 27.
Specifically, the steam cylinder 27 is connected with the water tank 17, a first-stage turbine 15, a second-stage turbine 14 and a third-stage turbine 13 are arranged in the steam cylinder, the three turbines are in transmission connection with the output end of the deceleration direct current generator 16 through a driving shaft 28, and a sealing shaft sleeve 29 is arranged on the driving shaft 28; the direct current generator is connected to the lithium battery 25 by a direct current wire. A plurality of partitions are provided in the water tank 17.
Specifically, the upper end of the combustion furnace 6 is connected with a strong exhaust fan 8, one end of the strong exhaust fan 8 is connected with a tail gas pipeline 9, a preheating pipeline 7 is led into the tail gas pipeline 9, a CO monitoring device 10 is arranged at the tail end of the tail gas pipeline 9 and is connected with an exhaust port 11, and the lower part of the exhaust port 11 is connected with a condensate water outlet 32.
Specifically, the heat exchange pipeline 18 is installed in the water tank 17, one end of the heat exchange pipeline is connected with the preheating pipeline 7, the upper end of the preheating pipeline 7 is connected with the water inlet 19, the preheating pipeline 7 is provided with the filter screen 20 at the position of the water inlet 19, the water inlet valve 21 is arranged below the filter screen 20, and the other end of the heat exchange pipeline 18 is connected with the water outlet 22 and the pressure relief valve 23.
Specifically, the other end of the heat exchange pipeline (18) is provided with a temperature monitor 24, and the wall surface of the combustion furnace 6 is provided with a flue gas temperature monitor 30; the lithium battery 25 is connected with the strong exhaust fan 8, the controller 26 and each monitor through wires.
Specifically, a computer is integrated in the controller 26, and the strong exhaust fan 8, the one-way air valve 31 and each monitor are connected and controlled through signal lines.
The working process of the device is as follows:
The T-shaped burner 3 mixes the air entering from the air inlet 2 and the natural gas entering from the gas valve 1 and ignites the mixture through the ignition needle 4, and the steam in the heating pipe 5 is heated in the combustion furnace 6; the water vapor in the heating pipe 5 is converted into supersaturated steam after being heated by flame, and is introduced into the water tank 17 through the one-way air valve 31, condensed into saturated steam after contacting the heat exchange pipeline 18, and flows out of the other end of the water tank 17 and is introduced into the steam cylinder 27 after fully exchanging heat with the water to be heated in the heat exchange pipeline 18, so as to drive the first-stage turbine 15, the second-stage turbine 14 and the third-stage turbine 13 to rotate. The turbines at all stages are combined with the driving shaft 28 to rotate so as to drive the deceleration direct current generator 16 to generate electricity, and the deceleration direct current generator 16 converts mechanical energy into electric energy and stores the electric energy into the lithium battery 25 for uniform distribution so as to supply electricity consumption devices of the gas water heater.
The tail gas after the natural gas is combusted enters a strong exhaust fan 8 through a combustion furnace 6, is driven by the strong exhaust fan 8 and enters a tail gas pipeline 9, and water in the preheating pipeline 7 is heated by waste heat in the tail gas pipeline 9. After the waste heat recovery, the waste heat is discharged through the exhaust port 11, and the partially condensed water is led out through the condensed water outlet 32.
The cold water to be heated enters the preheating pipeline 7 for heating after being filtered by the filter screen 20 through the water inlet 19, the heated warm water is introduced into the heat exchange pipeline 18 in the water tank 17 for further heating to the required temperature, and the heated hot water flows out through the water outlet 22 after the heating is finished.
The controller 26 is connected with a flue gas temperature monitor 30 on the wall of the combustion furnace 6 through a signal wire, a temperature monitor 24 on the tail end of the heat exchange pipeline 18, a CO monitoring device 10 on the tail end of the tail gas pipeline 9, a one-way air valve 31, the gas valve 1 and the strong exhaust fan 8, and natural gas consumption and heat exchange quantity are directly controlled by controlling the strong exhaust fan 8 and the one-way air valve 31, so that water is heated to the temperature required by a user. When the flue gas temperature monitor 30 reaches or exceeds the set safe temperature, the controller 26 controls the strong exhaust fan 8 to reduce the rotation speed, and simultaneously the inflow of the fuel gas valve 1 is reduced, and the combustion furnace 6 is cooled due to the reduction of the reaction amount of the natural gas and the air. When the CO monitoring device 10 prompts that the CO content exceeds the standard, the controller 26 signals, and meanwhile, the water heater is forcibly stopped.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. The utility model provides a from strong gas heater of airing exhaust of electricity which characterized in that: comprises a T-shaped burner, a combustion furnace, a strong exhaust fan, a steam cylinder, a deceleration direct current generator, a water tank and a controller;
The T-shaped burner is arranged in the combustion furnace, and the lower end of the T-shaped burner is connected with the gas valve and the gas inlet; a heating pipe is further arranged in the combustion furnace, one end of the heating pipe is connected with the steam cylinder, the other end of the heating pipe is connected with a water tank with a heat exchange pipeline arranged in the combustion furnace, and the upper part of the water tank is communicated with the upper part of the steam cylinder; a group of turbines are arranged in the steam cylinder, and the group of turbines are in transmission connection with the deceleration direct current generator; the upper end of the combustion furnace is connected with a strong exhaust fan, one end of the strong exhaust fan is connected with a tail gas pipeline, and a preheating pipeline is arranged in the tail gas pipeline; the upper end of the preheating pipeline is connected with the water inlet, the lower end of the preheating pipeline is connected with one end of the heat exchange pipeline, and the other end of the heat exchange pipeline is connected with the water outlet and the pressure relief valve;
a first-stage turbine, a second-stage turbine and a third-stage turbine are sequentially arranged in the steam cylinder from top to bottom, the three turbines are connected with the output end of the deceleration direct current generator through a driving shaft, and a sealing shaft sleeve is arranged on the driving shaft; the deceleration direct current generator is connected with the lithium battery through a direct current lead;
The tail end of the tail gas pipeline is connected with an exhaust port, and the lower end of the exhaust port is connected with a condensate water outlet; the tail end of the tail gas pipeline is provided with a CO monitoring device.
2. The self-generating strong exhaust gas water heater as recited in claim 1, wherein one end of the heating pipe is connected with the steam cylinder through a spray pipe.
3. The self-generating strong exhaust gas water heater as recited in claim 1, wherein the upper end of the preheating pipeline is provided with a filter screen at the water inlet, and a water inlet valve is arranged below the filter screen.
4. The self-generating strong exhaust gas water heater as recited in claim 1, wherein a set of baffles are disposed in said water tank.
5. The self-generating strong exhaust gas water heater as recited in claim 1, wherein the water inlet end of the heating pipe is provided with a one-way air valve.
6. The self-generating strong exhaust gas water heater as recited in claim 1, wherein a temperature monitor is arranged at the other end of the heat exchange pipeline.
7. The self-generating strong exhaust gas water heater as recited in claim 6, wherein a flue gas temperature monitor is installed on a wall surface of said combustion furnace.
8. The self-generating strong exhaust gas water heater as recited in claim 7, wherein said lithium battery is connected to said strong exhaust fan, said controller and said monitors via wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210694673.6A CN115031407B (en) | 2022-06-20 | 2022-06-20 | Self-generating strong-exhaust gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210694673.6A CN115031407B (en) | 2022-06-20 | 2022-06-20 | Self-generating strong-exhaust gas water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115031407A CN115031407A (en) | 2022-09-09 |
| CN115031407B true CN115031407B (en) | 2024-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210694673.6A Active CN115031407B (en) | 2022-06-20 | 2022-06-20 | Self-generating strong-exhaust gas water heater |
Country Status (1)
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| CN (1) | CN115031407B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368818A (en) * | 2016-08-31 | 2017-02-01 | 陈九法 | Solar water heater and methane tank combined power generation device and control method |
| CN215930104U (en) * | 2021-09-24 | 2022-03-01 | 江苏亚屹达环境科技有限公司 | High-efficient condensing gas heater |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1037718A (en) * | 1996-07-19 | 1998-02-10 | Mitsui Eng & Shipbuild Co Ltd | Rare gas power plant |
| CN107359361B (en) * | 2017-08-24 | 2023-04-07 | 中海石油气电集团有限责任公司 | Skid-mounted integrated device and method for hydrogen production by natural gas and integrated combined supply of heat, electricity and cold with proton exchange membrane fuel cell |
| CN109630269B (en) * | 2019-01-15 | 2021-12-31 | 中国石油大学(华东) | Natural gas-steam combined cycle clean power generation process |
-
2022
- 2022-06-20 CN CN202210694673.6A patent/CN115031407B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368818A (en) * | 2016-08-31 | 2017-02-01 | 陈九法 | Solar water heater and methane tank combined power generation device and control method |
| CN215930104U (en) * | 2021-09-24 | 2022-03-01 | 江苏亚屹达环境科技有限公司 | High-efficient condensing gas heater |
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| CN115031407A (en) | 2022-09-09 |
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