CN111306781B - Wall-mounted boiler - Google Patents

Wall-mounted boiler Download PDF

Info

Publication number
CN111306781B
CN111306781B CN201911247898.1A CN201911247898A CN111306781B CN 111306781 B CN111306781 B CN 111306781B CN 201911247898 A CN201911247898 A CN 201911247898A CN 111306781 B CN111306781 B CN 111306781B
Authority
CN
China
Prior art keywords
heat exchanger
heating
domestic water
wall
burner
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.)
Withdrawn - After Issue
Application number
CN201911247898.1A
Other languages
Chinese (zh)
Other versions
CN111306781A (en
Inventor
马万颜
马曾文
王映涵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201911247898.1A priority Critical patent/CN111306781B/en
Publication of CN111306781A publication Critical patent/CN111306781A/en
Application granted granted Critical
Publication of CN111306781B publication Critical patent/CN111306781B/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10Continuous-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
    • F24H1/12Continuous-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
    • F24H1/124Continuous-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 using fluid fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/0005Details for water heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/18Arrangement or mounting of grates or heating means
    • F24H9/1809Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1832Arrangement or mounting of combustion heating means, e.g. grates or burners
    • F24H9/1836Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2035Arrangement or mounting of control or safety devices for water heaters using fluid fuel

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

The invention relates to the technical field of electric appliances, in particular to a wall-mounted furnace. The wall-mounted boiler is characterized in that the wall-mounted boiler is communicated with the heating water outlet pipeline through the first three-way reversing valve arranged on the heating water outlet pipeline and the second three-way reversing valve arranged on the domestic water heating circuit and the domestic water heating circuit communicated with the third heat exchanger, so that the wall-mounted boiler can heat the domestic water and the domestic water simultaneously, and the heating system is heated through the domestic water heating circuit under the condition that the domestic water is not used, and the efficiency of the wall-mounted boiler is improved.

Description

Wall-mounted boiler
Technical Field
The invention relates to the technical field of electric appliances, in particular to a wall-mounted furnace.
Background
At present, most wall-hanging furnaces are dual-purpose furnaces, and have a heating function and a domestic water function. Based on actual use demands, the prior wall-mounted boiler adopts the domestic water priority principle when in use, and can stop the heating function while using the hot water function.
But adopt above-mentioned hanging stove, when people need heating and the user demand of supplying hot water simultaneously, especially when using domestic water for a long time in winter, can make the temperature in the heating pipeline reduce, can make indoor have great temperature to drop, user experience is not good. To this kind of hanging stove with heating and domestic water system break away from the relevance, and then can realize heating and domestic water simultaneously, avoid mutual influence, but under the condition of not using domestic water, domestic water system is idle, leads to unnecessary energy loss.
Disclosure of Invention
The invention mainly aims to provide a wall-mounted furnace, which solves the problems that the wall-mounted furnace in the prior art cannot simultaneously supply hot water and heat, and has low working efficiency.
In order to achieve the above purpose, the invention provides a wall-mounted boiler, comprising a heating water inlet pipeline, a heating water outlet pipeline, a domestic water inlet pipeline, a domestic water outlet pipeline and a domestic water heating loop, wherein the wall-mounted boiler further comprises:
A first heat exchanger and a first burner for supplying heat to the first heat exchanger, the first heat exchanger is respectively communicated with the heating water inlet pipeline and the heating water outlet pipeline;
a second heat exchanger and a second burner for supplying heat to the second heat exchanger, the second heat exchanger is communicated with the domestic water heating loop;
The third heat exchanger comprises a first heat exchange channel communicated with the domestic water heating loop and a second heat exchange channel communicated with the domestic water inlet pipeline and the domestic water outlet pipeline, and the third heat exchanger is used for exchanging heat between the first heat exchange channel and the second heat exchange channel;
The domestic water heating loop is communicated with the heating water outlet pipeline through a first three-way reversing valve arranged on the heating water outlet pipeline, and a second three-way reversing valve arranged on the domestic water heating loop is communicated with the third heat exchanger.
Further, the first heat exchanger is a first heater matched with the first burner, and the second heat exchanger is a second heater matched with the second burner.
Further, the third heat exchanger is a plate heat exchanger.
Further, the wall hanging stove further includes:
A first staging valve disposed upstream of the first burner, the staging valve operable for staged combustion by the first burner.
Further, the wall-mounted furnace further comprises a second sectional valve arranged at the upstream of the second burner, and the sectional valve can be used for sectional combustion of the second burner.
Further, the wall-mounted boiler further comprises a fuel gas proportional valve arranged at the upstream of the first sectional valve and the second sectional valve and used for controlling the fuel gas quantity entering the first sectional valve and the second sectional valve.
The technical scheme of the invention has the following advantages:
According to the wall-mounted boiler, the second burner, the second heat exchanger and the first three-way reversing valve arranged on the heating water outlet pipeline are additionally arranged in the wall-mounted boiler and are communicated with the heating water outlet pipeline, and the second three-way reversing valve arranged on the domestic water heating circuit is communicated with the domestic water heating circuit of the third heat exchanger, so that the heating system is heated through the domestic water heating circuit under the condition that domestic water can be simultaneously heated and used, and the efficiency of the wall-mounted boiler is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art. In the drawings:
Fig. 1 is a schematic diagram of a front view structure of a wall-mounted boiler in an embodiment of the present invention, where the wall-mounted boiler is in a single heating and high power mode.
Fig. 2 is a schematic diagram of a front view of the wall-mounted boiler shown in fig. 1, wherein the wall-mounted boiler is in a single heating, higher power mode.
Fig. 3 is a schematic diagram of a front view of the wall-mounted boiler shown in fig. 1, wherein the wall-mounted boiler is in a single heating and medium power mode.
Fig. 4 is a schematic diagram of a front view of the wall-mounted boiler shown in fig. 1, wherein the wall-mounted boiler is in a single heating and low power mode.
Fig. 5 is a schematic diagram of a front view of the wall-mounted boiler shown in fig. 1, wherein the wall-mounted boiler is in a single domestic water, high power mode.
Fig. 6 is a schematic diagram of a front view of the wall-mounted boiler shown in fig. 1, wherein the wall-mounted boiler is in a heating and domestic water sharing mode.
Wherein, the reference numerals in the drawings are as follows:
1. a fume collecting hood; 3, a wind pressure switch; 6, a first heat exchanger, 9, a first burner, 12, a first three-way reversing valve, 14, a fuel gas proportional valve, 15, a heating water inlet pipeline, 16, a first sectional valve, 19, a heating water outlet pipeline, 22, a second sectional valve, 23, a domestic water inlet pipeline, 24, a plate heat exchanger, 25, a domestic water outlet pipeline, 28, a second three-way reversing valve, 30, a second burner, 34 and a second heat exchanger.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 6, the wall-hanging stove according to the present embodiment includes a heating water inlet pipe 15, a heating water outlet pipe 19, a domestic water inlet pipe 23, a domestic water outlet pipe 25, and a domestic water heating circuit, and further includes:
A first heat exchanger 6 and a first burner 9 for supplying heat to the first heat exchanger 6, wherein the first heat exchanger 6 is respectively communicated with the heating water inlet pipeline 15 and the heating water outlet pipeline 19;
a second heat exchanger 34 and a second burner 30 for supplying heat to the second heat exchanger 34, the second heat exchanger 34 being in communication with the domestic water heating circuit;
A third heat exchanger including a first heat exchange passage communicating with the domestic water heating circuit and a second heat exchange passage communicating with the domestic water inlet pipe 23 and the domestic water outlet pipe 25, the third heat exchanger exchanging heat between the first heat exchange passage and the second heat exchange passage;
wherein, the domestic water heating loop is communicated with the heating water outlet pipeline 19 through a first three-way reversing valve 12 arranged on the heating water outlet pipeline 19, and a second three-way reversing valve 28 arranged on the domestic water heating loop is communicated with the third heat exchanger.
Furthermore, by adopting the wall-mounted boiler in this embodiment, the wall-mounted boiler is additionally provided with the second burner 30, the second heat exchanger 34 and the first three-way reversing valve 12 arranged on the heating water outlet pipeline 19 is communicated with the heating water outlet pipeline 19, and the second three-way reversing valve 28 arranged on the domestic water heating circuit is communicated with the domestic water heating circuit of the third heat exchanger, so that the heating system is heated through the domestic water heating circuit under the condition that domestic water and domestic water can be simultaneously heated, and the efficiency of the wall-mounted boiler is improved under the condition that domestic water is not used.
The first heat exchanger 6 in the embodiment is a first heater matched with the first burner 9, and the second heat exchanger 34 is a second heater matched with the second burner 30.
In particular, the third heat exchanger is a plate heat exchanger 24.
Preferably, the wall-mounted boiler further comprises a first sectional valve 16 arranged upstream of the first burner 9, wherein the sectional valve can be used for sectional combustion of the first burner 9. The wall-mounted boiler further comprises a second sectional valve 22 arranged upstream of the second burner 30, wherein the sectional valve can be used for sectional combustion of the second burner 30. And the power regulation ratio of the wall-mounted furnace can be further enlarged, and the user experience is further improved.
Preferably, the wall-mounted boiler further comprises a fuel gas proportional valve 14 arranged upstream of the first sectional valve 16 and the second sectional valve 22 and used for controlling the amount of fuel gas entering the first sectional valve 16 and the second sectional valve 22, so that the adjustable ratio of the power of the wall-mounted boiler is further improved.
Referring further to fig. 1 to 5, the wall-mounted boiler in this embodiment includes two fans, and the two fans may share one fume collecting hood 1, or may use one fume collecting hood 1 alone. The gas proportional valve 14 controls the opening and closing of the gas and the magnitude of the gas flow. And a fire detecting needle and an ignition needle are arranged above the burner fire row in each combustion system and are used for igniting and detecting whether the ignition is successful or not. The water pump provides the power of hydrologic cycle, and the fan provides the required air of burning and the flue gas after getting rid of the burning. The wind pressure switch 3 is used for detecting whether the flue gas channel is normal. The heating water outlet temperature sensing bulb is used for detecting the temperature of heating water outlet, and the three-way motor is used for switching domestic water and heating water. The plate heat exchanger 24 is used for heating domestic water. The domestic water temperature sensing bulb is used for detecting the temperature of hot water outlet.
The working process of the wall-mounted boiler in this embodiment is described below with reference to the accompanying drawings:
as shown in fig. 1, in the case of the wall-hanging stove single heating mode, when the controller main board receives that the unit operation load is large, firstly, the fan is started, when the wind pressure switch 3 detects a pressure difference signal generated by the air flow of the fan on the venturi tube, the signal is fed back to the controller main board, and secondly, the pulse ignition device is used for ignition, and the fuel gas proportional valve 14 is opened to convey fuel gas to the first sectional valve 16 and the second sectional valve 22. The segment valve solenoid valves are then fully opened to deliver fuel gas to both segment burners, the first burner 9 and the second burner 30 starting to burn. The heating water enters the first water pump from the heating water return port, exchanges heat through the first heat exchanger 6, then enters the second heat exchanger 34 through the second water pump through the first three-way reversing valve 12 for performing second heat exchange, and then passes through the second three-way reversing valve 28 to the heating water outlet to flow to the heating tail end, so that the heating cycle is completed.
As shown in fig. 2, in the wall-hanging stove single heating mode, when the controller main board receives a larger unit operation load during operation with higher power, firstly, the fan is started, when the wind pressure switch 3 detects a pressure difference signal generated by the air flow of the fan on the venturi tube, the signal is fed back to the controller main board, and secondly, the pulse ignition device is used for ignition, and the fuel gas proportional valve 14 is opened to convey fuel gas to the first sectional valve 16 and the second sectional valve 22. The segment valve solenoid valve is then fully opened except for the second segment valve 22 to deliver fuel gas to both segment burners, the right side of the first burner 9 and the second burner 30 being started to burn separately. The heating water enters the first water pump from the heating water return port, exchanges heat through the first heat exchanger 6, then enters the second heat exchanger 34 through the second water pump through the first three-way reversing valve 12 for performing second heat exchange, and then passes through the second three-way reversing valve 28 to the heating water outlet to flow to the heating tail end, so that the heating cycle is completed.
As shown in fig. 3, when the wall-hanging stove single heating mode is operated with medium power, when the main board of the controller receives smaller running load of the unit, firstly, the fan is started, when the air pressure switch 3 detects a pressure difference signal generated by air flow of the fan on the venturi tube, the signal is fed back to the main board of the controller, and secondly, the pulse ignition device is used for ignition, and the fuel gas proportional valve 14 is opened to convey fuel gas to the first sectional valve 16. Then the first segment valve 16 solenoid valve is opened to feed the fuel gas to the first burner 9, and the first burner 9 starts combustion. The heating water enters the first water pump from the heating water return port, exchanges heat through the first heat exchanger 6, and then flows to the heating tail end through the first three-way reversing valve 12 to the heating water outlet, so that the heating cycle is completed.
As shown in fig. 4, in the wall-hanging stove single heating mode, when the controller main board receives a smaller unit operation load during low-power operation, firstly, the fan is started, when the wind pressure switch 3 detects a pressure difference signal generated by the air flow of the fan on the venturi tube, the signal is fed back to the controller main board, and secondly, the pulse ignition device is used for ignition, and the fuel gas proportional valve 14 is opened to convey fuel gas to the first sectional valve 16. The first segment valve 16 is then opened to deliver fuel gas to the right side of the first burner 9, and combustion is started on the right side of the first burner 9. The heating water enters the first water pump from the heating water return port, exchanges heat through the first heat exchanger 6, and then flows to the heating tail end through the first three-way reversing valve 12 to the heating water outlet, so that the heating cycle is completed.
As shown in FIG. 5, when the wall-hanging boiler is operated in a high power mode, when the main board of the controller receives the domestic water demand fed back by the water flow sensor and the running load of the unit is large, firstly, the fan is started, when the wind pressure switch 3 detects a pressure difference signal generated by the air flow of the fan on the venturi tube, the signal is fed back to the main board of the controller, and secondly, the pulse ignition device is used for ignition, and the fuel gas proportional valve 14 is opened to convey fuel gas to the second sectional valve 22. The second segment valve 22 is then opened to supply the fuel gas to the second burner 30, and combustion is started on the second burner 30 side. The heating water enters the second heat exchanger 34 from the second water pump to exchange heat, then enters the plate heat exchanger 24 through the second three-way reversing valve 28, exchanges heat with domestic water through the plate heat exchanger 24, and returns to the second water pump to circulate. And the domestic water enters from the domestic water inlet, reaches a set temperature after heat exchange by the plate heat exchanger 24, exits from the domestic water outlet and reaches the tail end of the domestic water, and only the second sectional valve 22 is opened when the power requirement of the domestic water is smaller.
As shown in fig. 6, in the mode of using the wall-mounted boiler with heating and domestic water, when the controller main board receives the air pressure signal generated by the air flow of the fan on the venturi tube and detected by the air pressure switch 3, the signal is fed back to the controller main board, and then the pulse ignition device is used for ignition, and the fuel gas proportional valve 14 is opened to convey fuel gas to the first segment valve 16 and the second segment valve 22. The segment valve solenoid valves are then fully opened to deliver fuel gas to both segment burners, the first burner 9 and the second burner 30 starting to burn. At this time, the first three-way directional valve 12 is closed. The heating water enters the second heat exchanger 34 from the second water pump to exchange heat, then enters the plate heat exchanger 24 through the second three-way reversing valve 28, exchanges heat with domestic water through the plate heat exchanger 24, and returns to the second water pump to circulate. The domestic water enters from the domestic water inlet, after heat exchange by the plate heat exchanger 24, reaches a set temperature, and exits from the domestic water outlet to the tail end of the domestic water, and the heating backwater enters into the first water pump, passes through the first heat exchanger 6 for heat exchange, passes through the first three-way reversing valve 12, reaches the heating water outlet and flows to the heating tail end. The heating mode and the domestic water mode are simultaneously started.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.

Claims (6)

1. The utility model provides a hanging stove, its characterized in that, including heating water inlet pipeline (15), heating water outlet pipeline (19), domestic water inlet pipeline (23), domestic water outlet pipeline (25) and domestic water heating circuit, hanging stove still includes:
A first heat exchanger (6) and a first burner (9) for supplying heat to the first heat exchanger (6), wherein the first heat exchanger (6) is respectively communicated with the heating water inlet pipeline (15) and the heating water outlet pipeline (19);
a second heat exchanger (34) and a second burner (30) for supplying heat to the second heat exchanger (34), the second heat exchanger (34) being in communication with the domestic water heating circuit;
A third heat exchanger comprising a first heat exchange channel communicated with the domestic water heating loop and a second heat exchange channel communicated with the domestic water inlet pipeline (23) and the domestic water outlet pipeline (25), wherein the third heat exchanger is used for exchanging heat between the first heat exchange channel and the second heat exchange channel;
Wherein, domestic water heating circuit is through setting up first three-way reversing valve (12) on heating outlet pipeline (19) with heating outlet pipeline (19) intercommunication, and set up second three-way reversing valve (28) in domestic water heating circuit with third heat exchanger intercommunication.
2. The wall-mounted boiler according to claim 1, wherein the first heat exchanger (6) is a first heater matched with the first burner (9), and the second heat exchanger (34) is a second heater matched with the second burner (30).
3. A wall-hanging stove according to claim 1, characterized in that the third heat exchanger is a plate heat exchanger (24).
4. A wall-hanging stove according to any one of claims 1 to 3, further comprising:
-a first sectional valve (16) arranged upstream of the first burner (9), which sectional valve allows for sectional combustion of the first burner (9).
5. The wall-hung boiler according to claim 4, further comprising a second sectional valve (22) disposed upstream of the second burner (30), the sectional valve being operable for sectional combustion of the second burner (30).
6. The wall-mounted boiler according to claim 5, further comprising a fuel gas proportional valve (14) disposed upstream of the first and second segment valves (16, 22) for controlling the amount of fuel gas entering the first and second segment valves (16, 22).
CN201911247898.1A 2019-12-09 2019-12-09 Wall-mounted boiler Withdrawn - After Issue CN111306781B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911247898.1A CN111306781B (en) 2019-12-09 2019-12-09 Wall-mounted boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911247898.1A CN111306781B (en) 2019-12-09 2019-12-09 Wall-mounted boiler

Publications (2)

Publication Number Publication Date
CN111306781A CN111306781A (en) 2020-06-19
CN111306781B true CN111306781B (en) 2025-02-07

Family

ID=71144984

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911247898.1A Withdrawn - After Issue CN111306781B (en) 2019-12-09 2019-12-09 Wall-mounted boiler

Country Status (1)

Country Link
CN (1) CN111306781B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116625001A (en) * 2023-06-15 2023-08-22 珠海格力电器股份有限公司 heating furnace

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211204401U (en) * 2019-12-09 2020-08-07 珠海格力电器股份有限公司 Wall-mounted stove

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3876877B2 (en) * 2003-11-18 2007-02-07 松下電器産業株式会社 Gas hot water heater
JP2018091541A (en) * 2016-12-02 2018-06-14 株式会社ガスター Water heater
CN106839417A (en) * 2017-04-05 2017-06-13 珠海格力电器股份有限公司 Gas wall-mounted boiler and hot water supply method thereof
CN109028550A (en) * 2018-08-10 2018-12-18 万家乐热能科技有限公司 A kind of gas-heating water heater
CN108645019A (en) * 2018-08-17 2018-10-12 广东万家乐燃气具有限公司 A kind of double gas combustion apparatus and gas heater
CN109539542A (en) * 2018-10-22 2019-03-29 广东万家乐燃气具有限公司 A kind of dual system gas heater
CN110131895B (en) * 2019-05-27 2023-07-25 珠海格力电器股份有限公司 Combustion device, wall-hung boiler and segmental combustion control method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211204401U (en) * 2019-12-09 2020-08-07 珠海格力电器股份有限公司 Wall-mounted stove

Also Published As

Publication number Publication date
CN111306781A (en) 2020-06-19

Similar Documents

Publication Publication Date Title
CN205860500U (en) Gas heater
CN201875806U (en) Dual-purpose wall-hung furnace for plate-type heat exchanger
CN105387613A (en) Sectionalized combustion type gas-fired water heating furnace
CN205066133U (en) Wall -mounted gas heating stove
CN205174787U (en) Gas heating water heater of formula of burning by stage
CN102818368B (en) Adders, gas water heaters, and adder and gas water heater assemblies
CN207422353U (en) A kind of HVAC burnt gas wall hanging furnace branch thermostat
CN212274265U (en) Low-nitrogen condensation wall-mounted furnace
CN102116501A (en) Hybrid power wall-hung boiler
CN111426055A (en) Water heater and control method thereof
CN212205039U (en) water heater
CN211204401U (en) Wall-mounted stove
CN211233353U (en) Wall-mounted stove
CN209623110U (en) A kind of burnt gas wall hanging furnace
CN211261241U (en) Gas self-adaptive full-premixing wall-mounted boiler
CN111306781A (en) fireplace
CN211290526U (en) Wall-mounted furnace
CN106152229A (en) A kind of condensed type combustion gas warm bath dual-purpose stove
CN206001583U (en) A kind of condensed type combustion gas warm up bath dual-purpose stove
CN207162699U (en) A kind of warm bath dual-purpose stove of full pre-mix condensing combustion gas
CN206113100U (en) Bushing type hanging stove
CN210624878U (en) Sleeve type wall-mounted furnace
CN214949847U (en) High-load regulation ratio gas heating water heater
CN211503220U (en) Water heating stove
CN211400281U (en) Wall-mounted furnace

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20250207

Effective date of abandoning: 20251210

AV01 Patent right actively abandoned

Granted publication date: 20250207

Effective date of abandoning: 20251210

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned