CN212409053U - Multifunctional low-nitrogen-emission wall-mounted furnace - Google Patents
Multifunctional low-nitrogen-emission wall-mounted furnace Download PDFInfo
- Publication number
- CN212409053U CN212409053U CN202020739928.2U CN202020739928U CN212409053U CN 212409053 U CN212409053 U CN 212409053U CN 202020739928 U CN202020739928 U CN 202020739928U CN 212409053 U CN212409053 U CN 212409053U
- Authority
- CN
- China
- Prior art keywords
- water
- nitrogen
- low
- heating
- smoke exhaust
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
The utility model discloses a multi-functional low nitrogen discharges hanging stove, which comprises an outer shell, the burning smoke discharging structure, business turn over water structure and water pressure steady voltage structure, the burning smoke discharging structure includes combustion assembly, heat exchange component and the subassembly of discharging fume, combustion assembly includes the low nitrogen combustor, the combustion chamber, thermal-insulated room, the gas import, the water inlet, the delivery port, the single-needle point fire needle, heat exchange component includes main heat exchanger and limit temperature detect switch, business turn over water structure includes the heating delivery port, the heating return water mouth, domestic water import and domestic water export, shell bottom inboard still is equipped with the plate heat exchanger of connecting the heating outlet pipe, plate heat exchanger exchanges the heat of the part of water of heating outlet pipe for domestic water. The utility model discloses warm up the dual function of heat supply and domestic water heat supply with having combined, the while combustion temperature can obtain effective control to reduce combustion temperature, reduce nitrogen oxide's formation, make the waste gas nitrogen content of its emission low, not only save the gas resource, protect the air quality moreover.
Description
Technical Field
The utility model relates to a heating equipment especially relates to a multi-functional low nitrogen discharges hanging stove.
Background
The hanging stove generally is used for providing the floor heating with pipeline circulation hot water or is used for providing the life hot water of kitchen bathroom, and conventional hanging stove often only possesses single function, and the combustion temperature of burning structure is higher moreover, has more nitrogen oxide to generate, and the nitrogen content of the waste gas that leads to discharging out is higher, not only extravagant gas resource, influences the air quality moreover.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the defect that exists among the above-mentioned prior art and not enough, a dual function that has combined heating and domestic water heating has been provided, the heat that can make full use of combustor production, the structure of discharging fume of burning has adopted water-cooling structure and the great low nitrogen combustor of air input to burn simultaneously, combustion temperature can obtain effective control, thereby reduce combustion temperature, reduce nitrogen oxide's formation, make the waste gas nitrogen content of its emission low, not only save the gas resource, and the multi-functional low nitrogen of protection air quality discharges the hanging stove.
The technical scheme of the utility model: the utility model provides a multi-functional low nitrogen discharges hanging stove, includes the shell, sets up burning smoke exhaust structure, business turn over water structure and water pressure steady voltage structure in the shell, burning smoke exhaust structure includes combustion assembly, is located the heat transfer subassembly of combustion assembly top and is located the subassembly of discharging fume of heat transfer subassembly top, combustion assembly includes the combustion chamber of low nitrogen combustor, the cooperation low nitrogen combustor, installs the heat-proof room in the combustion chamber, sets up gas inlet, water inlet and the delivery port on the low nitrogen combustor and install the single needle ignition needle on the low nitrogen combustor, heat transfer subassembly includes the extreme temperature control switch of main heat exchanger and cooperation main heat exchanger, main heat exchanger passes through a return pipe and is connected with the low nitrogen combustor, smoke exhaust subassembly includes the exhaust hood, the smoke exhaust fan of cooperation exhaust hood and installs the discharge flue at smoke exhaust fan top, business turn over water structure includes heating delivery port, water outlet, Heating return water mouth, domestic water import and domestic water export, the heating return water mouth passes through water-cooled pump and water-cooled pump union coupling low-nitrogen burner, the heating delivery port is through heating water piping connection main heat exchanger, water-cooled pump, low-nitrogen burner, wet return, main heat exchanger, heating outlet pipe and outside ground heating pipe form the circulation heating return circuit, shell bottom inboard still is equipped with the plate heat exchanger of connecting the heating outlet pipe, domestic water import and domestic water export are respectively through the inlet outlet of pipe connection plate heat exchanger, plate heat exchanger exchanges the heat of the part of water of heating outlet pipe for domestic water.
The utility model discloses warm up the dual function of heat supply and domestic water heat supply, the heat that can make full use of combustor production, the simultaneous combustion smoke exhaust structure has adopted water-cooling structure and the great low nitrogen combustor of air input to burn, and combustion temperature can obtain effective control to reduce combustion temperature, reduce nitrogen oxide's formation, make the waste gas nitrogen content of its emission low, not only save the gas resource, the protection air quality moreover.
Preferably, the heating water outlet pipe is connected with the plate heat exchanger through a three-way motor, the water-cooled water pump is connected with a water replenishing port for replenishing water to the circulating heating loop and a water replenishing valve matched with the water replenishing port, and the water pressure stabilizing structure is an expansion water tank.
The structure is convenient for transferring heat in the heating water outlet pipe to the plate heat exchanger for domestic water to heat, water can be conveniently supplemented to the circulating heating loop, the water quantity in the circulating heating loop is ensured to be sufficient, and meanwhile, the water pressure is ensured to be stable and reliable (the expansion water tank is a conventional structure for stabilizing the water pressure of the wall-mounted boiler, so detailed description is omitted).
Preferably, the bottom of shell is equipped with the gas and inserts the mouth, the gas is inserted the mouth and is passed through the gas pipeline and is connected with the gas import on the low nitrogen combustor, be equipped with the gas valve on the gas pipeline.
The structure ensures that the gas inlet of the low-nitrogen combustor is stable and reliable.
Preferably, the low-nitrogen combustor is a 12-drain water-cooled combustor, the single-needle ignition needle is mounted on one side of the low-nitrogen combustor through an ignition needle support, and the fuel gas inlet is located at the bottom of the low-nitrogen combustor.
This kind of structure further ensures the cooling effect of low-nitrogen combustor to and smoke exhausting fan's smoke exhausting effect.
Preferably, the water inlet, the water outlet and the single-needle ignition needle are located on the same side of the low-nitrogen combustor, the water inlet is used for being connected with a water-cooling water pump pipe, and the water outlet is used for being connected with a water return pipe.
The structure enables the combustor to be compact in structure and convenient to assemble.
Preferably, the main heat exchanger is provided with a water inlet pipe joint for connecting a water return pipe and a water outlet pipe joint for connecting a heating water outlet pipe, and the water inlet pipe joint and the water outlet pipe joint are respectively positioned at opposite ends of two sides of the main heat exchanger.
The structure ensures that the main heat exchanger has compact structure and convenient assembly.
Preferably, the water inlet pipe joint and the water outlet pipe joint are both provided with a clamping groove and a clamping plate for fixing the water pipe.
The structure ensures that the connection between the main heat exchanger and the water pipe is convenient and firm.
Preferably, the smoke exhaust fan is installed on the upper portion of the smoke exhaust hood, and an air hole matched with an air inlet of the smoke exhaust fan is formed in the upper portion of the smoke exhaust hood.
The structure ensures that the assembly of the smoke exhaust hood and the smoke exhaust fan is stable and reliable.
Preferably, the combustion chamber comprises a combustion chamber bottom plate, a combustion chamber side plate and a combustion chamber cover plate, and the heat insulation chamber comprises a heat insulation chamber bottom plate matched with the combustion chamber bottom plate, a heat insulation chamber side plate matched with the combustion chamber side plate and a heat insulation chamber cover plate matched with the combustion chamber cover plate.
The structure can well protect the combustion chamber, and further ensure the full and reliable combustion of the combustor.
Preferably, the bottom of the heating water outlet pipe is provided with a heating NTC, a domestic water NTC is arranged at a domestic water outlet, a water pressure gauge is connected to the heating water outlet, and a fire observation cover is further arranged inside the shell.
This kind of structure ensures the temperature control to heating water and ensures the temperature and the pressure control to domestic water, further ensures the safety of burning simultaneously.
The utility model discloses warm up the dual function of heat supply and domestic water heat supply, the heat that can make full use of combustor production, the simultaneous combustion smoke exhaust structure has adopted water-cooling structure and the great low nitrogen combustor of air input to burn, and combustion temperature can obtain effective control to reduce combustion temperature, reduce nitrogen oxide's formation, make the waste gas nitrogen content of its emission low, not only save the gas resource, the protection air quality moreover.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an exploded view of the smoke evacuation structure of the present invention;
FIG. 4 is a schematic view of the combustion chamber with the cover plate, the cover plate and the duct removed;
in the figure, 1, a combustion assembly, 2, a heat exchange assembly, 3, a smoke exhaust assembly, 4, a low-nitrogen burner, 5, a combustion chamber, 6, a heat insulation chamber, 7, a fuel gas inlet, 8, a water inlet, 9, a water outlet, 10, a single-needle ignition needle, 11, a main heat exchanger, 12, a limit temperature control switch, 13, a water return pipe, 14, a smoke exhaust hood, 15, a smoke exhaust fan, 16, a smoke exhaust channel, 17, an ignition needle support, 18, a water-cooling water pump pipe, 19, a water inlet pipe joint, 20, a water outlet pipe joint, 21, a heating water outlet pipe, 22, a clamping groove, 23, a clamping plate, 24, an air hole, 25, a combustion chamber bottom plate, 26, a combustion chamber side plate, 27, a combustion chamber cover plate, 28, a heat insulation chamber bottom plate, 29, a heat insulation chamber side plate, 30, a heat insulation chamber cover plate, 31, a shell, 32, a fire observation hood, 33, a combustion smoke exhaust structure, 34, 37. the heating water outlet 38, the heating water return port 39, the domestic water inlet 40, the domestic water outlet 41, the water-cooling water pump 42, the three-way motor 43, the gas inlet 43, the gas pipeline 44, the gas valve 45, the heating NTC46, the domestic water NTC47, the water pressure gauge 48, the water replenishing port 49 and the water replenishing valve 50.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1-4, a multifunctional wall-mounted low-nitrogen emission furnace comprises a shell 31, a combustion smoke exhaust structure 33 arranged in the shell 31, a water inlet and outlet structure 34 and a water pressure stabilizing structure, wherein the combustion smoke exhaust structure 32 comprises a combustion assembly 1, a heat exchange assembly 2 positioned above the combustion assembly 1 and a smoke exhaust assembly 3 positioned above the heat exchange assembly 2. The combustion assembly 1 comprises a low-nitrogen combustor 4, a combustion chamber 5 matched with the low-nitrogen combustor 4, a heat insulation chamber 6 installed in the combustion chamber 5, a fuel gas inlet 7 arranged on the low-nitrogen combustor 4, a water inlet 8, a water outlet 9 and a single-needle ignition needle 10 installed on the low-nitrogen combustor 4, a heat exchange assembly comprises a main heat exchanger 11 and a limit temperature control switch 12 matched with the main heat exchanger 11, the main heat exchanger 11 is connected with the low-nitrogen combustor 4 through a return pipe 13, the smoke exhaust assembly comprises a smoke exhaust hood 14, a smoke exhaust fan 15 matched with the smoke exhaust hood 14 and a smoke exhaust channel 16 installed at the top of the smoke exhaust fan 15. The water inlet and outlet structure 34 comprises a heating water outlet 37, a heating water return port 38, a domestic water inlet 39 and a domestic water outlet 40, the heating water return port 38 is connected with the low-nitrogen burner 4 through a water-cooling water pump 41 and a water-cooling water pump pipe 18, the heating water outlet 37 is connected with the main heat exchanger 11 through a heating water outlet pipe 21, and the water-cooling water pump 41, the water-cooling water pump pipe 18, the low-nitrogen burner 4, the water return pipe 13, the main heat exchanger 11, the heating water outlet pipe 21 and an external ground heating pipeline form a circulating heating loop. The inner side of the bottom of the shell 31 is also provided with a plate type heat exchanger 36 connected with the heating water outlet pipe 21, a domestic water inlet 39 and a domestic water outlet 40 are respectively connected with the water inlet and the water outlet of the plate type heat exchanger 36 through pipelines, and the plate type heat exchanger 36 exchanges the heat of part of water in the heating water outlet pipe 21 to domestic water. The heating water outlet pipe 21 is connected with the plate heat exchanger 36 through a three-way motor 42, the water cooling water pump 41 is connected with a water replenishing port 49 for replenishing water for the circulating heating loop and a water replenishing valve 50 matched with the water replenishing port 49, and the water pressure stabilizing structure is an expansion water tank 35. The bottom of shell 31 is equipped with gas and inserts mouth 43, and gas is inserted mouth 43 and is connected with gas import 7 on the low nitrogen combustor 4 through gas pipeline 44, is equipped with gas valve 45 on the gas pipeline 44. The low-nitrogen combustor 4 is a 12-water-discharge cold combustor, the single-needle ignition needle 10 is installed on one side of the low-nitrogen combustor 4 through the ignition needle support 17, and the fuel gas inlet 7 is located at the bottom of the low-nitrogen combustor 4. The water inlet 8, the water outlet 9 and the single-needle ignition needle 10 are all located on the same side of the low-nitrogen combustor 4, the water inlet 8 is used for being connected with a water-cooling water pump pipe 18, and the water outlet 9 is used for being connected with a water return pipe 13. The main heat exchanger 11 is provided with a water inlet pipe joint 19 for connecting the water return pipe 13 and a water outlet pipe joint 20 for connecting the heating water outlet pipe 21, and the water inlet pipe joint 19 and the water outlet pipe joint 20 are respectively positioned on the opposite ends of both sides of the main heat exchanger 11. The water inlet pipe joint 19 and the water outlet pipe joint 20 are both provided with a clamping groove 22 and a clamping plate 23 for fixing a water pipe. The smoke exhaust fan 15 is arranged on the upper part of the smoke exhaust hood 14, and the upper part of the smoke exhaust hood 14 is provided with an air hole 24 matched with an air inlet of the smoke exhaust fan 15. The combustion chamber 5 includes a combustion chamber bottom plate 25, a combustion chamber side plate 26, and a combustion chamber cover plate 27, and the heat insulating chamber 6 includes a heat insulating chamber bottom plate 26 fitted to the combustion chamber bottom plate 25, a heat insulating chamber side plate 29 fitted to the combustion chamber side plate 26, and a heat insulating chamber cover plate 30 fitted to the combustion chamber cover plate 27. The bottom of the heating water outlet pipe 21 is provided with heating NTC46, the domestic water outlet 40 is provided with domestic water NTC47, the heating water outlet 37 is connected with a water pressure gauge 48, and the inside of the shell 31 is also provided with a fire observation cover 32.
The utility model discloses during the use, circulation heating return circuit working process as follows:
firstly, opening a water replenishing valve, adding water to the circulating heating loop from a water replenishing port, and then closing the water replenishing valve of the water replenishing port; cold water is sent into the low-nitrogen combustor from a water inlet through a water-cooling water pump and a water-cooling water pump pipe, the cold water cools the low-nitrogen combustor to a certain degree, the combustion temperature is reduced, then the cold water is sent into the main heat exchanger from a water outlet through a water return pipe, the combustion of the low-nitrogen combustor heats the main heat exchanger, so that water flowing through the main heat exchanger is heated, the heated water flows out of a heating water outlet through a heating water outlet pipe to a floor heating pipeline, the water used by the floor heating pipeline enters the water-cooling water pump pipe from the heating water return port under the action of the water cold water pump, then enters the water inlet into the low-nitrogen combustor, and circulates in a reciprocating manner;
the domestic water heating process is as follows: the hot water in the heating outlet pipe enters the plate heat exchanger under the action of the three-way motor, the cold water entering the plate heat exchanger from the domestic water inlet is heated, the hot water after heat exchange of the plate heat exchanger flows out of a domestic water outlet to be used in a toilet or a kitchen, and the like, and partial hot water in the heating outlet pipe returns to a heating outlet pipe through a circulating pipeline after being heated for domestic water in the plate heat exchanger (because the water temperature in the heating outlet pipe is higher, even if the water temperature of partial hot water returning from the plate heat exchanger is lower, the water temperature of the heating outlet pipe is enabled to more meet the requirement of floor heating water after being uniform.
The utility model discloses warm up the dual function of heat supply and domestic water heat supply, the heat that can make full use of combustor production, the simultaneous combustion smoke exhaust structure has adopted water-cooling structure and the great low nitrogen combustor of air input to burn, and combustion temperature can obtain effective control to reduce combustion temperature, reduce nitrogen oxide's formation, make the waste gas nitrogen content of its emission low, not only save the gas resource, the protection air quality moreover.
Claims (10)
1. The utility model provides a multi-functional low nitrogen discharges hanging stove, includes the shell, sets up burning smoke exhaust structure, business turn over water structure and water pressure steady voltage structure in the shell, burning smoke exhaust structure includes combustion assembly, is located the heat exchange assemblies of combustion assembly top and is located the subassembly of discharging fume of heat exchange assemblies top, its characterized in that: the combustion assembly comprises a low-nitrogen combustor, a combustion chamber matched with the low-nitrogen combustor, a heat insulation chamber installed in the combustion chamber, a gas inlet, a water inlet and a water outlet arranged on the low-nitrogen combustor, and a single-needle ignition needle installed on the low-nitrogen combustor, the heat exchange assembly comprises a main heat exchanger and a limit temperature control switch matched with the main heat exchanger, the main heat exchanger is connected with the low-nitrogen combustor through a return pipe, the smoke exhaust assembly comprises a smoke exhaust fan and a smoke exhaust channel, the smoke exhaust fan comprises a smoke exhaust hood and a matched smoke exhaust hood, the smoke exhaust channel is installed at the top of the smoke exhaust fan, the water inlet and outlet structure comprises a heating water outlet, a heating water return port, a domestic water inlet and a domestic water outlet, the heating water return port is connected with the low-nitrogen combustor through a water cooling pump and a water cooling pump pipe, the heating water outlet is connected with the, The low-nitrogen combustor, the wet return, main heat exchanger, heating outlet pipe and outside ground heating pipeline form the circulation heating return circuit, shell bottom inboard still is equipped with the plate heat exchanger of connecting the heating outlet pipe, domestic water import and domestic water export are respectively through the inlet outlet of pipe connection plate heat exchanger, plate heat exchanger exchanges the heat of the part of water of heating outlet pipe for domestic water.
2. The multifunctional low-nitrogen-emission wall-mounted boiler according to claim 1, characterized in that: the heating water outlet pipe is connected with the plate heat exchanger through a three-way motor, the water-cooling water pump is connected with a water replenishing port for replenishing water for the circulating heating loop and a water replenishing valve matched with the water replenishing port, and the water pressure stabilizing structure is an expansion water tank.
3. The multifunctional low-nitrogen-emission wall-mounted boiler according to claim 1, characterized in that: the bottom of shell is equipped with the gas and inserts the mouth, the gas is inserted the mouth and is passed through the gas pipeline and is connected with the gas access on the low nitrogen combustor, be equipped with the gas valve on the gas pipeline.
4. The multifunctional low-nitrogen-emission wall-mounted furnace according to claim 3, characterized in that: the single-needle ignition needle is installed on one side of the low-nitrogen combustor through the ignition needle support, and the fuel gas inlet is located at the bottom of the low-nitrogen combustor.
5. The multifunctional low-nitrogen-emission wall-mounted boiler according to claim 1, characterized in that: the water inlet, the water outlet and the single-needle ignition needle are located on the same side of the low-nitrogen combustor, the water inlet is used for being connected with a water-cooling water pump pipe, and the water outlet is used for being connected with a water return pipe.
6. The multifunctional low-nitrogen-emission wall-mounted boiler according to claim 1, characterized in that: the main heat exchanger is provided with a water inlet pipe joint used for connecting a water return pipe and a water outlet pipe joint used for connecting a heating water outlet pipe, and the water inlet pipe joint and the water outlet pipe joint are respectively positioned on the opposite ends of the two sides of the main heat exchanger.
7. The multifunctional low-nitrogen-emission wall-mounted furnace according to claim 6, characterized in that: and the water inlet pipe joint and the water outlet pipe joint are respectively provided with a clamping groove and a clamping plate for fixing a water pipe.
8. The multifunctional low-nitrogen-emission wall-mounted boiler according to claim 1, characterized in that: the smoke exhaust fan is installed on the upper portion of the smoke exhaust hood, and an air hole matched with an air inlet of the smoke exhaust fan is formed in the upper portion of the smoke exhaust hood.
9. The multifunctional low-nitrogen-emission wall-mounted boiler according to claim 1, characterized in that: the combustion chamber comprises a combustion chamber bottom plate, a combustion chamber side plate and a combustion chamber cover plate, and the heat insulation chamber comprises a heat insulation chamber bottom plate matched with the combustion chamber bottom plate, a heat insulation chamber side plate matched with the combustion chamber side plate and a heat insulation chamber cover plate matched with the combustion chamber cover plate.
10. The multifunctional low-nitrogen-emission wall-mounted boiler according to claim 1, characterized in that: the bottom of heating outlet pipe is equipped with the heating NTC, domestic water exit is equipped with domestic water NTC, be connected with the water pressure gauge on the heating delivery port, the inside of shell still is equipped with sees the fire cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020739928.2U CN212409053U (en) | 2020-05-08 | 2020-05-08 | Multifunctional low-nitrogen-emission wall-mounted furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020739928.2U CN212409053U (en) | 2020-05-08 | 2020-05-08 | Multifunctional low-nitrogen-emission wall-mounted furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212409053U true CN212409053U (en) | 2021-01-26 |
Family
ID=74375787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020739928.2U Active CN212409053U (en) | 2020-05-08 | 2020-05-08 | Multifunctional low-nitrogen-emission wall-mounted furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212409053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704954A (en) * | 2022-04-28 | 2022-07-05 | 浙江昂科拉热能科技有限公司 | Wall-mounted furnace control method with zero cold water reservation function |
-
2020
- 2020-05-08 CN CN202020739928.2U patent/CN212409053U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704954A (en) * | 2022-04-28 | 2022-07-05 | 浙江昂科拉热能科技有限公司 | Wall-mounted furnace control method with zero cold water reservation function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212409053U (en) | Multifunctional low-nitrogen-emission wall-mounted furnace | |
| CN103032951B (en) | Positive displacement gas water heater | |
| CN201344621Y (en) | Coal-fired and oil-fired boiler | |
| CN212253131U (en) | Airflow distribution type low-nitrogen emission variable-frequency wall-mounted furnace | |
| CN100543372C (en) | Combined heat storage and heating stove and method of operating thereof | |
| CN207279977U (en) | New energy-conserving fuel gas water heater for heating | |
| CN206488441U (en) | A kind of novel gas water heater for heating | |
| WO2018018977A1 (en) | Gas water heater | |
| CN212409051U (en) | Special low nitrogen of hanging stove discharges burning smoke exhaust structure | |
| CN115682434A (en) | Gas water heater based on pulse combustion technology | |
| CN220892566U (en) | High-power full-premix condensing furnace and heat supply and heating system thereof | |
| CN216204336U (en) | Low-nitrogen condensation wall-mounted furnace | |
| CN213178430U (en) | Multifunctional hearth system for utilizing flue gas waste heat of commercial frying furnace | |
| CN215864027U (en) | Gas water heater | |
| CN217274820U (en) | Dual-system dual-purpose stove | |
| CN218442791U (en) | Gas-electricity hybrid heat exchanger | |
| CN212409052U (en) | Multifunctional wall-mounted boiler with airflow distribution and smoke exhaust functions | |
| CN214949780U (en) | Environment-friendly gas hanging stove | |
| CN220852627U (en) | Gas water heating system | |
| CN211119536U (en) | Waste heat recovery system for kitchen range | |
| CN221505286U (en) | Small-volume condensation wall-mounted furnace | |
| CN214370898U (en) | Wall-mounted furnace | |
| CN221744299U (en) | Gas water heating equipment | |
| CN214370902U (en) | Solar energy gas heating stove | |
| CN212644938U (en) | Directly-heated boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |