CN108061375A - A kind of dual-purpose stove work system - Google Patents
A kind of dual-purpose stove work system Download PDFInfo
- Publication number
- CN108061375A CN108061375A CN201710624991.4A CN201710624991A CN108061375A CN 108061375 A CN108061375 A CN 108061375A CN 201710624991 A CN201710624991 A CN 201710624991A CN 108061375 A CN108061375 A CN 108061375A
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- Prior art keywords
- water
- cavity
- dual
- heating
- heating pipe
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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
- 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
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- 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)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention relates to a kind of dual-purpose stove work systems, including combustion heat-exchange device, gas pipeline, heating pipe, domestic water line, heat exchanger and expansion tank, expansion tank has the first cavity, the second cavity and the 3rd cavity, first cavity is connected with heating pipe, second cavity is connected with domestic water line, and the 3rd cavity is connected with balance source of the gas.The dual-purpose furnace system of the present invention can provide thermal water source for domestic water and heating with water simultaneously, and during heating, domestic water preferentially supplies, and realizes and the energy is efficiently used；Two cavitys of expansion tank are serially connected with the heating water route of dual-purpose stove and domestic water water route simultaneously, it not only can accommodate and supplement the harmomegathus amount of water in the harmomegathus amount of recirculated water in heating loop and domestic water water route, it can be also used for alleviating the pressure oscillation of heating loop and life water, keep the stabilization of water flow, while heating function is ensured, the comfort of Bathroom Live water is promoted.
Description
Technical field
It is particularly a kind of that heating water and hot water for life can be provided simultaneously the present invention relates to a kind of dual-purpose stove work system
Dual-purpose stove work system.
Background technology
For the winter heating systems such as middle-size and small-size supermarket, hotel, household, school, current heating installation is generally deposited
It taking up a large area, limited by geographic areas, investing the shortcomings of big, electric power resource waste is serious and heat production is slow.And it uses common
Floor heating, groundwater resources serious waste caused by being mostly to be lost in vain by sewer or return well because of the water of reflux, open air are main
Pipe installing causes artificial and material investment, and the investment of deep well is huge, and country has also prevented to beat deep well now.If electricity consumption
Hotting mask, power consumption are too big；Common air-conditioning, the power consumption of electric heating device are also very big.
To solve the above-mentioned problems, application publication number is the Chinese invention patent application of CN102620342A《Full-automatic ring
Protect energy-efficient solar heating and hot water for life dual-purpose system》(application number：CN201210125552.6 one kind) is disclosed
Structure, including solar heat-collection plate and the solar energy vacuum tube being arranged on solar heat-collection plate, solar energy vacuum tube difference
Water tank and fuel tank are connected with, fuel tank divides oil circuit device to be connected, is connected between fuel tank and floor heating pipeline circuit with floor heating pipeline
The cycling for adding to warm oneself in oil circulating pump, fuel tank and the solar energy vacuum tube and floor heating pipeline that are connected with fuel tank is led
Deep fat, Xun Huan fuel tank are connected with temperature control system, and water tank is connected respectively by cooling water outlet and hot water inlet with solar energy vacuum tube
It connects, cooling water inlet, hot water outlet and pressure release exhaust outlet is offered on water tank.Although above system can provide heating and life heat
Water, still, after heating when the logical full water in pipeline and always, hot water can generate pressure to pipeline, if things go on like this easy generator tube
Explosion even occurs for road leak, and if the water section in pipeline released, the pressure in pipeline is reduced, then is needing to use water
When, it is easy for the presence of water pressure fluctuations, flow instability；If setting stable water pressure device in pipeline, can increase
The floor space of heating system, and heating and hot water for life can not be taken into account.
Therefore, for the dual-purpose stove work system currently used for providing heating water and hot water for life, up for do into
The improvement of one step.
The content of the invention
The technical problem to be solved by the invention for the present situation of prior art is to provide it is a kind of can reduce simultaneously heating and
The water pressure fluctuations of domestic water, the dual-purpose stove work system for improving flow stability.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of dual-purpose stove work system, feature exist
In：Including
Combustion heat-exchange device；
Gas pipeline, the import of the gas pipeline are connected with fuel gas source, outlet and the burning of the gas pipeline
Heat-exchanger rig is connected；
Heating pipe, the heating pipe pass through the combustion heat-exchange device for a circulating line and part, also, described
Triple valve is provided on the water exit end of heating pipe, first end, the second end of the triple valve are connected on heating pipe；
Domestic water line, the import of the domestic water line are connected with cold water source, which passes through
One heat exchanger exports hot water by exporting, and the inlet segment of the domestic water line is connected with the inlet segment of heating pipe, institute
It states the water exit end of domestic water line with the 3rd end of triple valve to be connected, so that the water in heating pipe enters heat exchanger into one
Step exchanges heat；And
Expansion tank, the expansion tank have the first cavity, the second cavity and the 3rd cavity, first cavity and heating
Pipeline is connected, and second cavity is connected with domestic water line, and the 3rd cavity is connected with balance source of the gas.
As an improvement, the expansion tank includes the first lid shell, the second lid shell, leather diaphragm, the second epithelium and washer, institute
Leather diaphragm is stated, the second epithelium is respectively arranged on the both sides of washer and encloses second cavity jointly with washer, described the
One lid shell is arranged on the outside of leather diaphragm and encloses first cavity jointly therewith, and the second lid shell is arranged on the second skin
The outside of film simultaneously encloses the 3rd cavity jointly therewith.The expansion tank is set there are three cavity, is adopted with meeting simultaneously
Heating coil road and domestic water line demand, and when expansion tank is applied in dual-purpose furnace system, domestic water pipeline and the second chamber
Body connects, and domestic water will not contact directly with cast housing inner wall, will not be mixed with heating water together with, so as to ensure life
It is not contaminated with water.
In said program, the washer has the barrel chamber axially extended, is provided on the periphery wall of the washer with being somebody's turn to do
The second opening that barrel chamber is connected.
In order to increase the volume of the first cavity, it is convex that outwardly first is formed with from proximal edge on the first lid shell
Chamber is provided with the first opening being connected with the first convex chamber on the first lid shell.
In order to increase the volume of the second cavity, it is convex that outwardly second is formed with from proximal edge on the second lid shell
Chamber is provided with the 3rd opening being connected with the second convex chamber on the second lid shell.
Preferably, the leather diaphragm, the both sides of the second epithelium are both provided with convex ribs, to prevent between epithelium and epithelium,
Adhesion between epithelium and lid shell.
Preferably, the first branched pipe is connected between the inlet segment of the domestic water line and the inlet segment of heating pipe
Road is provided with the water compensating valve that moisturizing can be carried out to heating pipe on first lateral；On the inlet segment of the heating pipe
Second branched pipe road is connected with, drain valve is provided on the second branched pipe road.
Preferably, the combustion heat-exchange device includes heat exchange structure, combustion chamber and wind turbine, and the heating pipe is by changing
Heat structure exchanges heat, and the gas pipeline is connected with combustion chamber, and the wind turbine to combustion chamber supplementing air and by cigarette
Gas is discharged.
Preferably, water pump and pressure gauge are provided on the heating pipe, is provided with to adjust on the gas pipeline
The proportioning valve of gas quantity size.
Preferably, it is connected between the heating pipe and domestic water line between the combustion heat-exchange device and triple valve
Three branched pipe road is provided with the by-passing valve that can prevent combustion heat-exchange device dry combustion method on the Three branched pipe road.
Compared with prior art, the advantage of the invention is that：The dual-purpose furnace system of the present invention can simultaneously for domestic water and
Heating provides thermal water source with water, and during heating, domestic water preferentially supplies, and realizes and the energy is efficiently used；It will
Two cavitys of expansion tank are serially connected with the heating water route of dual-purpose stove and domestic water water route simultaneously, not only can accommodate and supplement
In heating loop in the harmomegathus amount of recirculated water and domestic water water route water harmomegathus amount, can be also used for alleviating heating loop and life
The pressure oscillation of running water keeps the stabilization of water flow, and while heating function is ensured, the use for promoting Bathroom Live water is comfortable
Property.
Description of the drawings
Fig. 1 is the structure diagram of dual-purpose furnace system in the embodiment of the present invention；
Fig. 2 is the structure diagram of expansion tank in Fig. 1；
Fig. 3 is the sectional view of Fig. 2；
Fig. 4 is the exploded view of Fig. 2.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing embodiment.
As shown in figures 1-4, the dual-purpose stove work system of the present embodiment includes combustion heat-exchange device 1, gas pipeline 2, heating
Pipeline 3, domestic water line 4, heat exchanger 5 and expansion tank 6.
Wherein, combustion heat-exchange device 1 includes heat exchange structure 11, combustion chamber 12 and wind turbine 13, the import and combustion of gas pipeline 2
Source of the gas is connected, and the outlet of gas pipeline 2 is connected with the combustion chamber 12 of combustion heat-exchange device 1, and heating pipe 3 is a circulation pipe
Road and part exchanges heat by the heat exchange structure 11 of combustion heat-exchange device, wind turbine 13 to combustion chamber 12 supplementing air and will
Flue gas is discharged.The water exit end of heating pipe 3 is provided with triple valve 31, and first end 311, the second end 312 of the triple valve 31 are distinguished
It is connected on heating pipe 3.The import 41 of domestic water line 4 is connected with cold water source, and domestic water line 4 is by heat exchange
Pass through 42 output hot water of outlet after the heat exchange of device 5.The inlet segment of domestic water line 4 is connected with the inlet segment of heating pipe 3, raw
It applies flexibly the water exit end of waterpipe 4 with the 3rd end 313 of triple valve 31 to be connected, so that the water in heating pipe 3 enters heat exchanger 5
Further exchange heat.Expansion tank 6 has the first cavity 61, the second cavity 61 and the 3rd cavity 63, and the first cavity 61 is with adopting
Heating coil road 3 is connected, and the second cavity 62 is connected with domestic water line 4, and the 3rd cavity 63 is connected with balance source of the gas, this reality
It applies and nitrogen is selected in example as Balance Air.
In the present embodiment, expansion tank 6 includes the first lid shell 64, the second lid shell 65, leather diaphragm 66, the second epithelium 67
And washer 68, washer 68 have the barrel chamber 681 axially extended, leather diaphragm 66, the second epithelium 67 are respectively arranged on washer 68
Both sides simultaneously enclose the second cavity 62 jointly with washer 68, are provided with what is be connected with second cavity 62 on the periphery wall of washer 68
Second opening 682.Washer 68 in the present embodiment is made of the plastic material with certain degree of hardness, leather diaphragm 66, second
Epithelium 67 is made of the rubber material of elasticity and better mechanical property.It is formed on first lid shell 64 outside from proximal edge
First convex chamber 641 of protrusion, the first lid shell 64 are arranged on the outside of leather diaphragm 66 and enclose the first cavity 61 jointly therewith, the
First convex 641 outside of chamber of one lid shell 64 is provided with the first opening 642 being connected with first cavity 61.Shape on second lid shell 65
Into there is outwardly the second convex chamber 651 from proximal edge, the second lid shell 65 is arranged on the outside of the second epithelium 67 and common therewith
The 3rd cavity 63 is enclosed, the second convex 651 outside of chamber of the second lid shell 65 is provided with the 3rd opening being connected with the 3rd cavity 63
652.The first lid shell 64, the second lid shell 65 in the present embodiment have to be made of cast iron materials.Leather diaphragm 66, the second epithelium 67
Both sides be both provided with convex ribs 607, to prevent between epithelium and epithelium, adhesion between epithelium and lid shell.First opening 642, the
Two openings, 682 inside is both provided with check valve 80.The first lid shell 64, the second lid shell 65, leather diaphragm 66 in the present embodiment,
It is fixed between two epitheliums 67 and washer 68 by bolt 90 and the cooperation of nut 91.
In the present embodiment, first point is connected between the inlet segment of the inlet segment of domestic water line 4 and heating pipe 3
Branch pipe(tube) 10 is provided with the water compensating valve 101 that moisturizing can be carried out to heating pipe 3 on first lateral 10.Heating pipe 3
Second branched pipe road 20 is connected on inlet segment, drain valve 201 is provided on the second branched pipe road 20.It is set on heating pipe 3
Water pump 30 and pressure gauge 40 are equipped with, is provided on gas pipeline 2 to the proportioning valve 50 of regulating gas amount size.Water service pipe
The inlet segment in road 2 is connected with the 4th lateral 70, combustion heat-exchange dress at heat exchanger 5 between 3 inlet segment of heating pipe
It puts and Three branched pipe road 60 is connected between 3 and the 4th lateral 70 of heating pipe between 1 and triple valve 31, the 3rd point
The by-passing valve 601 of 1 dry combustion method of combustion heat-exchange device can be prevented by being provided on branch pipe(tube) 60.
It should be noted that the inlet segment of heating pipe 3 refers to one section of heating pipe 3 before heat exchange in the present embodiment,
The water exit end of heating pipe 3 refers to one section of heating pipe 3 after heat exchange；Likewise, the inlet segment of domestic water line 4 refers to
One section of domestic water line 4 before heat exchange, the water exit end of domestic water line 4 refer to one section of water service pipe after heat exchange
Road 4.
Using the dual-purpose furnace system of the present embodiment, usually domestic water line 4 and its hot water function is provided it is automatically closed,
During heating, gas pipeline 2 is supplied to combustion chamber 12 to burn, and the water in the closed circulation of heating pipe 3 circulates through burning
The heat exchange structure 11 of heat-exchanger rig 1 exchanges heat, so as to fulfill heating；In this process, with the rising of heating water temperature, heating pipe
Water volume expansion in road 3, makes whole cyclic hydrostatic pressure become larger, and when reaching 6 import Opening pressure value of expansion tank, expansion is more
The water of remaining volume is just forced into the first cavity 61；When heating terminates, water temperature reduces, and the water volume in circulation loop reduces, swollen
The internal pressure of swollen water tank 6 again returns hydraulic pressure in heating loop, and expansion tank 6 plays collecting and supplement system generally in heating
The effect of the harmomegathus amount of water in system.When domestic water line 4 is needed to export hot water, heating function is temporarily closed by triple valve 31
It closes, the water in heating pipe 3 after the heat exchange structure 11 of combustion heat-exchange device 1 exchanges heat enters domestic water line 4 and passes through
Heat exchanger 5 further heats up heel row and goes out to use, if not using heating function usually, the water source in domestic water line 4
It is provided by cold water source；In this process, if pressure of supply water drastically becomes larger or reduces, expansion tank 6 is serially connected in into water compared with front end
Position, can effectively buffer the pressure in pipeline, the water of high pressure or low pressure is accommodated or supplemented, reaches stable hydraulic pressure,
Filter out the effect of water fluctuation.
Claims (10)
1. a kind of dual-purpose stove work system, it is characterised in that：Including
Combustion heat-exchange device (1)；
Gas pipeline (2), the import of the gas pipeline (2) are connected with fuel gas source, the gas pipeline (2) outlet with it is described
Combustion heat-exchange device (1) is connected；
Heating pipe (3), the heating pipe (3) pass through the combustion heat-exchange device (1) for a circulating line and part, and
And triple valve (31) is provided on the water exit end of the heating pipe (3), first end (311), the second end of the triple valve (31)
(312) it is connected on heating pipe (313)；
Domestic water line (4), the import (41) of the domestic water line (4) are connected with cold water source, the water service pipe
Road (4) exports hot water, the inlet segment and heating pipe of the domestic water line (4) by a heat exchanger (5) by exporting (42)
The inlet segment in road (3) is connected, and the water exit end of the domestic water line (4) is connected with the 3rd end (313) of triple valve (31)
It connects, further exchanges heat so that the water in heating pipe (3) enters heat exchanger (5)；And
Expansion tank (6), which has the first cavity (61), the second cavity (62) and the 3rd cavity (63), described
First cavity (61) is connected with heating pipe (3), and second cavity (62) is connected with domestic water line (4), described
3rd cavity (63) is connected with balance source of the gas.
2. dual-purpose stove work system according to claim 1, it is characterised in that：The expansion tank (6) includes the first lid
Shell (64), the second lid shell (65), leather diaphragm (66), the second epithelium (67) and washer (68), the leather diaphragm (66), second
Epithelium (67) is respectively arranged on the both sides of washer (68) and encloses second cavity (62) jointly with washer (68), and described the
One lid shell (64) is arranged on the outside of leather diaphragm (66) and encloses first cavity (61) jointly therewith, second lid
Shell (65) is arranged on the outside of the second epithelium (67) and encloses the 3rd cavity (63) jointly therewith.
3. dual-purpose stove work system according to claim 2, it is characterised in that：The washer (68), which has, to be axially extended
Barrel chamber (681), the second opening (682) being connected with the barrel chamber (681) is provided on the periphery wall of the washer (68).
4. dual-purpose stove work system according to claim 2, it is characterised in that：It is formed on the first lid shell (64) certainly
The first outwardly convex chamber (641) at proximal edge is provided on the first lid shell (64) and is connected with the first convex chamber (641)
First opening (642).
5. dual-purpose stove work system according to claim 2, it is characterised in that：It is formed on the second lid shell (65) certainly
The second outwardly convex chamber (651) at proximal edge is provided on the second lid shell (65) and is connected with the second convex chamber (651)
The 3rd opening (652).
6. dual-purpose stove work system according to claim 2, it is characterised in that：The leather diaphragm (66), the second epithelium
(67) both sides are both provided with convex ribs (607).
7. the dual-purpose stove work system according to any claim in claim 1~6, it is characterised in that：The life
The first lateral (10) is connected with between the inlet segment of waterpipe (4) and the inlet segment of heating pipe (3), first branch
Heating pipe (3) can be carried out the water compensating valve (101) of moisturizing by being provided on pipeline (10)；The inlet segment of the heating pipe (3)
On be connected with second branched pipe road (20), be provided with drain valve (201) on the second branched pipe road (20).
8. the dual-purpose stove work system according to any claim in claim 1~6, it is characterised in that：The combustion
Burning heat-exchanger rig (1) includes heat exchange structure (11), combustion chamber (12) and wind turbine (13), and the heating pipe (3) is tied by heat exchange
Structure (11) exchanges heat, and the gas pipeline (2) is connected with combustion chamber (12), and the wind turbine (13) is to combustion chamber (12)
It supplements air and discharges flue gas.
9. the dual-purpose stove work system according to any claim in claim 1~6, it is characterised in that：The heating
Water pump (30) and pressure gauge (40) are provided on pipeline (3), is provided on the gas pipeline (2) to regulating gas amount size
Proportioning valve (50).
10. the dual-purpose stove work system according to any claim in claim 1~6, it is characterised in that：The burning
Three branched pipe is connected between heating pipe (3) and domestic water line (4) between heat-exchanger rig (1) and triple valve (31)
Road (60) is provided with the by-passing valve (601) that can prevent combustion heat-exchange device dry combustion method on the Three branched pipe road (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624991.4A CN108061375A (en) | 2017-07-27 | 2017-07-27 | A kind of dual-purpose stove work system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624991.4A CN108061375A (en) | 2017-07-27 | 2017-07-27 | A kind of dual-purpose stove work system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108061375A true CN108061375A (en) | 2018-05-22 |
Family
ID=62137061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710624991.4A Withdrawn CN108061375A (en) | 2017-07-27 | 2017-07-27 | A kind of dual-purpose stove work system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108061375A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939980A (en) * | 2018-09-25 | 2020-03-31 | 宁波方太厨具有限公司 | Control method of dual-purpose furnace and dual-purpose furnace system |
| CN111043766A (en) * | 2019-12-20 | 2020-04-21 | 华帝股份有限公司 | Heating waterway system capable of automatically cleaning pipeline and heating water heater thereof |
| CN111174413A (en) * | 2018-11-12 | 2020-05-19 | 宁波方太厨具有限公司 | Heating and bathing dual-purpose furnace and control method thereof |
| CN111197858A (en) * | 2018-11-20 | 2020-05-26 | 宁波方太厨具有限公司 | Dual-purpose furnace with expansion water tank automatic pressure compensating device |
| CN111271872A (en) * | 2018-12-04 | 2020-06-12 | 宁波方太厨具有限公司 | Low-nitrogen gas dual-purpose stove |
| CN111306780A (en) * | 2019-12-09 | 2020-06-19 | 珠海格力电器股份有限公司 | Wall-mounted furnace |
| CN111351213A (en) * | 2020-03-10 | 2020-06-30 | 陈艳艳 | Hierarchical heating device of hanging stove based on light sense control |
| CN111457583A (en) * | 2019-01-21 | 2020-07-28 | 宁波方太厨具有限公司 | Pressure-increasing heating and bathing two-purpose stove |
| CN111853925A (en) * | 2019-04-30 | 2020-10-30 | 华帝股份有限公司 | Heating system with cleaning function and control method thereof |
| CN112268365A (en) * | 2020-10-27 | 2021-01-26 | 宁波方太厨具有限公司 | Dual-purpose stove |
-
2017
- 2017-07-27 CN CN201710624991.4A patent/CN108061375A/en not_active Withdrawn
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939980A (en) * | 2018-09-25 | 2020-03-31 | 宁波方太厨具有限公司 | Control method of dual-purpose furnace and dual-purpose furnace system |
| CN110939980B (en) * | 2018-09-25 | 2023-10-20 | 宁波方太厨具有限公司 | Control method of dual-purpose furnace and dual-purpose furnace system |
| CN111174413A (en) * | 2018-11-12 | 2020-05-19 | 宁波方太厨具有限公司 | Heating and bathing dual-purpose furnace and control method thereof |
| CN111197858A (en) * | 2018-11-20 | 2020-05-26 | 宁波方太厨具有限公司 | Dual-purpose furnace with expansion water tank automatic pressure compensating device |
| CN111271872A (en) * | 2018-12-04 | 2020-06-12 | 宁波方太厨具有限公司 | Low-nitrogen gas dual-purpose stove |
| CN111457583B (en) * | 2019-01-21 | 2021-05-18 | 宁波方太厨具有限公司 | Pressure-increasing heating and bathing two-purpose stove |
| CN111457583A (en) * | 2019-01-21 | 2020-07-28 | 宁波方太厨具有限公司 | Pressure-increasing heating and bathing two-purpose stove |
| CN111853925A (en) * | 2019-04-30 | 2020-10-30 | 华帝股份有限公司 | Heating system with cleaning function and control method thereof |
| CN111306780A (en) * | 2019-12-09 | 2020-06-19 | 珠海格力电器股份有限公司 | Wall-mounted furnace |
| CN111043766A (en) * | 2019-12-20 | 2020-04-21 | 华帝股份有限公司 | Heating waterway system capable of automatically cleaning pipeline and heating water heater thereof |
| CN111351213A (en) * | 2020-03-10 | 2020-06-30 | 陈艳艳 | Hierarchical heating device of hanging stove based on light sense control |
| CN111351213B (en) * | 2020-03-10 | 2021-07-09 | 佛山市艾绅热能科技有限公司 | Hierarchical heating device of hanging stove based on light sense control |
| CN112268365B (en) * | 2020-10-27 | 2022-01-28 | 宁波方太厨具有限公司 | Dual-purpose stove |
| CN112268365A (en) * | 2020-10-27 | 2021-01-26 | 宁波方太厨具有限公司 | Dual-purpose stove |
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