CN109612104A - A kind of warm bath dual-purpose stove of novel low nitrogen condensed type combustion gas - Google Patents
A kind of warm bath dual-purpose stove of novel low nitrogen condensed type combustion gas Download PDFInfo
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- CN109612104A CN109612104A CN201811542840.5A CN201811542840A CN109612104A CN 109612104 A CN109612104 A CN 109612104A CN 201811542840 A CN201811542840 A CN 201811542840A CN 109612104 A CN109612104 A CN 109612104A
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- water
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- blower
- valve
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Classifications
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- 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
- F24H8/00—Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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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)
- Regulation And Control Of Combustion (AREA)
Abstract
The invention discloses a kind of warm bath dual-purpose stoves of novel low nitrogen condensed type combustion gas, it is related to wall-hung boiler field, including casing, circulating pump, controller, plate heat exchanger, condensation water collection box, segmentation tracheae, burner, secondary heat exchanger, blower, electronics wind pressure sensor, smoke extraction chamber, main heat exchanger, electric triple valve, expansion tank, sectional combustion control device and gas ratio valve are provided in the casing；Its heat exchange efficiency is high, and discharged nitrous oxides reach 5 grades of country, and reliable performance, and safety and environmental protection solves the deficiencies in the prior art.
Description
Technical field
The present invention relates to wall-hung boiler fields, and in particular to a kind of warm bath dual-purpose stove of novel low nitrogen condensed type combustion gas.
Background technique
With the high speed development of world economy, energy problem becomes increasingly conspicuous, high-efficient energy-saving environment friendly be the current whole world all very
The theme of care and the developing direction of kitchen appliance industry.Nitrogen oxides is to cause one of primary pollution source of atmosphere pollution.
With the high speed development of world economy, energy problem becomes increasingly conspicuous, high-efficient energy-saving environment friendly be the current whole world all very
The theme of care and the developing direction of kitchen appliance industry.Nitrogen oxides is to cause one of primary pollution source of atmosphere pollution, now general
Logical wall-hung boiler, the blow off levels of nitrogen oxides are below 3 grades, and effects of energy conservation and environmental protection need to be improved.
Summary of the invention
In view of the deficiencies of the prior art, the invention reside in proposing a kind of warm bath dual-purpose stove of novel low nitrogen condensed type combustion gas,
Heat exchange efficiency is high, and discharged nitrous oxides reach 5 grades of country, and reliable performance, and safety and environmental protection solves the deficiencies in the prior art.
To achieve the above object, the technical scheme adopted by the invention is that:
A kind of novel low nitrogen condensed type combustion gas is warm to bathe dual-purpose stove, including casing, and circulating pump, control are provided in the casing
Device, plate heat exchanger, condensation water collection box, segmentation tracheae, burner, secondary heat exchanger, blower, electronics wind pressure sensor, smoke evacuation
Chamber, main heat exchanger, electric triple valve, expansion tank, sectional combustion control device and gas ratio valve；The gas ratio valve connection
The sectional combustion control device, the sectional combustion control device connect the burner, the combustion by two air inlet pipe
Combustion chamber is set in burner, the main heat exchanger is set on the combustion chamber, the combustion chamber connects the smoke extraction chamber, the row
Smoke chamber connects the blower, and the blower is provided with the electronics wind pressure sensor, and the air outlet of the blower and described time are changed
The air inlet of hot device is connected, and the air outlet of the secondary heat exchanger connects flue；The gas proportion valve inlet connects inlet suction port；
Combustion chamber demarcation plate is set in the combustion chamber, and the circulating pump passes through pump-burner connecting tube and the burner upper pipeline
Water inlet be connected, the water outlet of the burner upper pipeline passes through the water inlet of time heat exchanger water inlet pipe and the secondary heat exchanger
Connection, the secondary heat exchanger pass through time heat exchanger outlet pipe and connect with the water inlet of the main heat exchanger, the main heat exchanger
Water outlet is connect by outlet pipe with the electric triple valve；Hot water temperature's controller is arranged in the main heat exchanger water outlet；It is described
Electric triple valve connection heating water outlet connector and sanitary outfall connector；The pump entry connection bathroom water supply connector and heating are returned
Water swivel；Be additionally provided in the casing electronic pressure transmitter for detecting heating system pressure, inflow temperature sensor,
High-temperature water and life water for forming burning carry out the plate heat exchanger of energy exchange, the water compensating valve for being used for moisturizing, heating
Circulating hot water temperature sensor detects water flow sensor for domestic water water flow；The secondary heat exchanger passes through condensed water
Collecting pipe is connect with the condensation water collection box, and condensate water discharging mouth is arranged in the condensation water collection box；The expansion tank
Heating backwater joint is connected by expansion tank connecting tube；The controller and the gas ratio valve, blower, electronics wind pressure pass
Sensor, electronic pressure transmitter, inflow temperature sensor, water flow sensor and burner electrical connection.
Combustion chamber demarcation plate is fixed in the combustion chamber, between burner and heat exchanger.Expansion tank is for balancing heating system
System expands with heat and contract with cold pressure change, keeps pressure heating system pressure constant.
The secondary heat exchanger collection heat exchange, condensation water collection and smoke discharging function one, main body use stainless steel substrates, heat exchange
Efficiency is much higher than stainless sense corrugated tube heat exchanger in the market, while more resistant to corrosion.
Further, the burner be low nitrogen Water-cooling type burner, including fire row and segmentation tracheae, the fire row
On be wrapped with water cooling tube.
Further, the fire row both ends are both provided with igniter and flame sensing device.
Further, admission pressure test device is provided in the gas ratio valve, the admission pressure test dress
It sets to the controller and sends signal, it can be determined that whether normal and combustion gas the pressure value of combustion gas, to be fired for more acurrate adjusting
The tolerance of gas makes burning more perfect.
Further, the sample tap of the electronics wind pressure sensor is connected with the sample tap of blower by hose.
Further, the blower is strong odd test blower, it can guarantee accurate gas-air ratio under each load,
It makes burning more perfect, while being negative pressure, more secure and reliable in combustion chamber.
The beneficial effects of the present invention are:
1, present invention employs electronics wind pressure sensors instead of traditional blast switch, passes through the judgement energy to wind pressure value
More accurate regulating gas air ratio guarantees that under any circumstance combustion gas index all meets national standard, and increases to user's ring
The adaptability in border.
2, present invention employs adjustable revolving speed and the strong odd test blowers that can test the speed, can guarantee under each load accurate
Gas-air ratio, allow burning it is more perfect.And it is used together with electronics wind pressure sensor, solves blast switch vulnerable to environment
The problem of influencing wrong report failure.
3, present invention employs the technologies of the large, medium and small three sections of burnings of gas ratio valve bonus point, in structure mainly by point
Section combustion control device and gas ratio valve, water flow size that main controller is provided by water flow sensor and temperature sensor and
Water temperature, when burning, carry out judgement segmentation first, then control the aperture of gas ratio valve, not only fast implement the thermostatic control of water.
And significantly increase the adjusting ratio of combustion gas.
4, the present invention increases combustion chamber reticle in a combustion chamber, by combustion chamber and is segmented that tracheae is corresponding is divided into two
Point, Smaller load condensed water more situation when solving sectional combustion.
5, the present invention fires burner using novel low nitrogen water-cooled, and dense-dilute burner combustion technology and Water Cooling Technology are combined, changed
Burner, which organically combines dense flame and light flame, effectively controls the formation condition of nitrogen oxides, to reduce nitrogen oxidation
The discharge of object.Dense flame combustion form is partly-premixed burning, and the combustion type of light flame is full premix combustion, and the two is organic
In conjunction with the generation for reducing nitrogen oxides in very big degree.Since in bias combustion, light flame is usually main flame gas flow rate
Larger, since its primary air ratio is larger, flame propagation velocity is smaller to be easy de- fire, but due to the primary air system of dense flame
Number is smaller, burns more stable, therefore the stability of bias combustion can be realized by dense flame, so far both solve asking for stability
Topic inhibits the generation of nitrogen oxides again.In addition to using dense-dilute burner combustion technology, in order to further decrease the generation of nitrogen oxides, also
Using water-cooled, it is exactly that cold water pipe disk one around burner encloses, reduces the temperature of burner.It reduces temperature and is also beneficial to nitrogen oxygen
The reduction of compound.
6, present invention employs dual ignitions, and in practice according to circumstances, at the same time igniting, left igniting and right three kinds of igniting
Flexible conversion between situation, greatly improves ignition success rate.
7, present invention employs Flame Double induction systems, are not only able to satisfy the requirement of sectional combustion, also avoid to greatest extent
Full section burn when, only burnt part the case where, while can also quick and precisely judge sectioning valve whether damage.
Detailed description of the invention
Fig. 1 is a kind of main view of embodiment of the invention；
Fig. 2 is a kind of bottom view of embodiment of the invention；
Fig. 3 is a kind of side view of embodiment of the invention；
Fig. 4 is burner structure schematic diagram of the invention；
Description of symbols:
1- circulating pump, 2- pump-burner connecting tube, 3- condensation water collection box, 4- are segmented tracheae, 5- burner, 6- condensation
Water collection pipe, the combustion chamber 7- demarcation plate, 8- heat exchanger water inlet pipe, 9- heat exchanger, 10- heat exchanger outlet pipe, 11- cigarette
Road, 12- blower, 13- electronics wind pressure sensor, 14- smoke extraction chamber, 15- hot water temperature sensor, 16- main heat exchanger, 17- burning
Room, 18- air inlet pipe, 19- expansion tank connecting tube, 20- air inlet pipe, 21- sectional combustion control device, 22- gas ratio valve,
23- outlet pipe, 24- circulating hot water temperature sensor, 25- electricity triple valve, 26- electronic pressure transmitter, 27- inflow temperature sensing
Device, 28- plate heat exchanger, 29- water compensating valve, 30- water flow sensor, 31- heating water outlet connector, 32- sanitary outfall connector,
33- inlet suction port, 34- condensed water outlet mouth, 35- bathroom water supply connector, 36- heating backwater joint, 37- expansion tank, 38- control
Device, the right igniter of 39-, the right flame sensing device of 40-, the left igniter of 41-, the left flame sensing device of 42-.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment to the present invention make into
One step illustrates.
In this example, as shown in figures 1-4, the warm bath dual-purpose stove of a kind of novel low nitrogen condensed type combustion gas, including casing, institute
State be provided in casing circulating pump 1, controller 38, plate heat exchanger 28, condensation water collection box 3, burner 5, secondary heat exchanger 9,
Blower 12, electronics wind pressure sensor 13, smoke extraction chamber 14, main heat exchanger 16, electric triple valve 25, expansion tank 37, sectional combustion control
Device 21 and gas ratio valve 22 processed；The gas ratio valve 22 connects the sectional combustion control device 21, the segmentation combustion
It burns control device 21 and connects the burner 5 by two air inlet pipe 18,20, combustion chamber 17 is set on the burner 5, it is described
The main heat exchanger 16 is set on combustion chamber 17, and the combustion chamber 17 connects the smoke extraction chamber 14, and the smoke extraction chamber 14 connects institute
Blower 12 is stated, the blower 12 is provided with the electronics wind pressure sensor 13, the air outlet of the blower 12 and described heat exchange
The air inlet of device 9 is connected, and the air outlet of the secondary heat exchanger 9 connects flue 11；22 entrance of gas ratio valve connects air inlet
Connector 3；Combustion chamber demarcation plate 7 is set in the combustion chamber 17；The circulating pump 1 passes through pump-burner connecting tube 2 and the combustion
The water inlet of 11 upper pipeline of burner is connected, the water outlet of 11 upper pipeline of burner pass through time heat exchanger water inlet pipe 8 with it is described
The water inlet of secondary heat exchanger 9 connects, and the secondary heat exchanger 9 passes through time water inlet of heat exchanger outlet pipe 10 and the main heat exchanger 16
The water outlet of mouth connection, the main heat exchanger 16 is connect by outlet pipe 23 with the electric triple valve 25；The main heat exchanger 16
Hot water temperature's controller 20 is arranged in water outlet；The electricity triple valve 25 connects heating water outlet connector 31 and sanitary outfall connector 32；
1 entrance of the circulating pump connection bathroom water supply connector 35 and heating backwater joint 36；It is additionally provided in the casing for detecting
Electronic pressure transmitter 26, inflow temperature sensor 27, the high-temperature water for the generation that will burn and the life of heating system pressure
Water carries out the plate heat exchanger 28 of energy exchange, the water compensating valve 29 for moisturizing, heating circulating hot water temperature sensor 24, is used for
The water flow sensor 30 of the water flow of detection detection life water；The secondary heat exchanger 9 by condensation water collection pipe 6 with it is described cold
Condensed water collection box 3 connects, and condensate water discharging mouth 34 is arranged in the condensation water collection box 3；The expansion tank 37 passes through expansion
Water tank connecting pipe 19 connects heating backwater joint 36；The controller 38 and the gas ratio valve 22, blower 12, electronics wind pressure
Sensor 13, electronic pressure transmitter 26, inflow temperature sensor 27, water flow sensor 30 and burner 5 are electrically connected.Control
Device 1 is existing microprocessor.
As a kind of prioritization scheme, the burner 5 be low nitrogen Water-cooling type burner, including fire row 51 and segmentation tracheae 4,
Water cooling tube 52 is wrapped in the fire row 51.
As a kind of prioritization scheme, 51 both ends of fire row are both provided with igniter and flame sensing device, respectively
Right igniter 39, right flame sensing device 40, left igniter 41 and left flame sensing device 42.
As a kind of prioritization scheme, admission pressure test device, the air inlet pressure are provided in the gas ratio valve 26
Force test device sends signal to the controller 38.
As a kind of prioritization scheme, the sample tap of the electronics wind pressure sensor 13 and the sample tap of blower 12 pass through hose
It is connected.
As a kind of prioritization scheme, the blower 17 is strong odd test blower.
As a kind of prioritization scheme, the condensation water collection box 9 is equipped with condensed water neutralisation treatment device.
This wall-hung boiler working principle is as follows:
After machine connecting power, main controller 38 enters self-test state, judges whether each parameter is normal, and judges to be heating
Mode or bathroom mode, if it is heating mode, then electric triple valve 25 is switched to heating water route, and heating water routes heating return water
Connector 36, circulating pump 1, pump-burner connecting tube 2, water cooling tube 52, secondary heat exchanger water inlet pipe 8, secondary heat exchanger 9, secondary heat exchanger go out
Water pipe 10, main heat exchanger 16, outlet pipe 23, heating water outlet connector 31 and external heating system are constituted, and in heating, are recycled first
After 1 starting of pump, blower 12 is operated, and right igniter 39 and left igniter 41 are discharged simultaneously, and gas ratio valve 22 is opened, segmentation
The valve of combustion control device 21 is needed to open, be opened if it is right sectioning valve according to payload, then the right fire row 51 is burnt；
If right flame sensing device 40 is not sensed by flame, lasting progress of discharging enters back into shape of lighting a fire again after completing a cycle
State.After if right flame sensing device 40 senses flame, stopping of discharging, while machine enters Regulation of Constant Temperature, if
It is that left sectioning valve is opened, then left side fire row 51 is burnt；If left flame sensing device 42 is not sensed by flame, electric discharge continue into
Row, enters back into fired state again after completing a cycle.If after left flame sensing device 42 senses flame, electric discharge stops
Only, it is opened simultaneously if it is left and right sectioning valve, then all fire row burnings will burn simultaneously, left sensing device 49 and right sensing device
51 will sense flame simultaneously, if wherein there is a sensing device to be not sensed by flame, lasting progress of discharging, when completion one
Fired state again is entered back into after a period.If left flame sensing device 42 and right flame sensing device 40 all sense
After flame, then stopping of discharging is adjusted tolerance according to the temperature gas ratio valve 26 of water flow and Inlet and outlet water, to make to adopt
Warm leaving water temperature is consistent with set temperature.In machine using in preceding and use process, main controller 38 is carried out by each sensor
Monitoring, it is such as abnormal, then it can turn off gas source.
When user uses bathroom water under heating mode, when water flow sensing unit 30 detects water flow signal, electric triple valve
25 are switched to life water loop, life water loop by circulating pump 1, pump-burner connecting tube 2, fire row 5 cooling water pipe, secondary change
Hot device water inlet pipe 8, secondary heat exchanger 9, secondary heat exchanger outlet pipe 10, main heat exchanger 16, plate heat exchanger 28 are constituted, logic of burning
It is consistent under heating mode.Life water enters plate heat exchanger 28 from bathroom water supply connector 35 and exchanges heat, becomes required hot water
It is flowed out from sanitary outfall connector 32.
When machine is originally at bathroom mode, machine operation logic uses as life water under heating mode.
In the process of running, the burning of burner 5 generates high-temperature flue gas and flows through main heat exchanger 16 from bottom to top, from main switch
16 flue gases (temperature has been reduced to 200 DEG C or so) come out enter time heat exchanger 9, and flue-gas temperature drops to dew point hereinafter, generating big
Condensed water is measured, condensed water sequentially enters condensation water collection pipe 6 and condensation water collection box 3 finally by 34 row of condensed water outlet mouth down
Out, while low-temperature flue gas is discharged upwardly through flue 11.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of warm bath dual-purpose stove of novel low nitrogen condensed type combustion gas, including casing, which is characterized in that be provided with and follow in the casing
Ring pump (1), plate heat exchanger (28), condensation water collection box (3), segmentation tracheae (4), burner (5), secondary changes controller (38)
Hot device (9), blower (12), electronics wind pressure sensor (13), smoke extraction chamber (14), main heat exchanger (16), electric triple valve (25), expansion
Water tank (37), sectional combustion control device (21) and gas ratio valve (22)；
The gas ratio valve (22) connects the sectional combustion control device (21), and the sectional combustion control device (21) is logical
It crosses two air inlet pipe (18,20) and connects the burner (5), combustion chamber (17) are set on the burner (5), the combustion chamber
(17) it is arranged on the main heat exchanger (16), the combustion chamber (17) connects the smoke extraction chamber (14), and the smoke extraction chamber (14) is even
It connects the blower (12), the blower (12) is provided with the electronics wind pressure sensor (13), the air outlet of the blower (12)
It is connected with the air inlet of the secondary heat exchanger (9), the air outlet of the secondary heat exchanger (9) connects flue (11)；The combustion gas ratio
Example valve (22) entrance connection inlet suction port (3)；Combustion chamber demarcation plate (7) are set in the combustion chamber (17)；
The circulating pump (1) is connected by pump-burner connecting tube (2) with the water inlet of the burner (11) upper pipeline, institute
The water outlet for stating burner (11) upper pipeline passes through time heat exchanger water inlet pipe (8) and connect with the water inlet of the secondary heat exchanger (9),
The secondary heat exchanger (9) passes through time heat exchanger outlet pipe (10) and connect with the water inlet of the main heat exchanger (16), and the master changes
The water outlet of hot device (16) is connect by outlet pipe (23) with the electric triple valve (25)；Main heat exchanger (16) water outlet is set
Set hot water temperature's controller (20)；The electricity triple valve (25) connects heating water outlet connector (31) and sanitary outfall connector (32)；
Circulating pump (1) entrance connection bathroom water supply connector (35) and heating backwater joint (36)；Use is additionally provided in the casing
In the electronic pressure transmitter (26) of measurement heating hydraulic pressure, inflow temperature sensor (27), for the generated high temperature that will burn
Water and life water carry out plate heat exchanger (28), the water compensating valve (29) for moisturizing, heating circulating hot water temperature of energy conversion
Sensor (24) detects water flow sensor (30) for domestic water water flow；
The secondary heat exchanger (9) is connect by condensation water collection pipe (6) with the condensation water collection box (3), and the condensed water
Condensate water discharging mouth (34) are arranged in collection box (3)；
The expansion tank (37) passes through expansion tank connecting tube (19) connection heating backwater joint (36)；The controller (38)
With the gas ratio valve (22), blower (12), electronics wind pressure sensor (13), electronic pressure transmitter (26), inflow temperature
Sensor (27), water flow sensor (30) and burner (5) electrical connection.
2. wall-hung boiler as described in claim 1, which is characterized in that the burner (11) is low nitrogen Water-cooling type burner, packet
Fire row (111) and segmentation tracheae (10) are included, is wrapped with water cooling tube (112) on the fire row (111).
3. wall-hung boiler as claimed in claim 2, which is characterized in that fire row (111) both ends be both provided with igniter and
Flame sensing device.
4. wall-hung boiler as described in claim 1, which is characterized in that be provided with admission pressure survey in the gas ratio valve (26)
Trial assembly is set, and the admission pressure test device sends signal to the controller (38).
5. wall-hung boiler as described in claim 1, which is characterized in that the sample tap and blower of the electronics wind pressure sensor (13)
(12) sample tap is connected by hose.
6. wall-hung boiler as described in claim 1, which is characterized in that the blower (12) is strong odd test blower.
7. wall-hung boiler as described in claim 1, which is characterized in that the condensation water collection box (9) is equipped in condensed water and locates
Manage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542840.5A CN109612104A (en) | 2018-12-17 | 2018-12-17 | A kind of warm bath dual-purpose stove of novel low nitrogen condensed type combustion gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542840.5A CN109612104A (en) | 2018-12-17 | 2018-12-17 | A kind of warm bath dual-purpose stove of novel low nitrogen condensed type combustion gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109612104A true CN109612104A (en) | 2019-04-12 |
Family
ID=66010227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811542840.5A Pending CN109612104A (en) | 2018-12-17 | 2018-12-17 | A kind of warm bath dual-purpose stove of novel low nitrogen condensed type combustion gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109612104A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110131895A (en) * | 2019-05-27 | 2019-08-16 | 珠海格力电器股份有限公司 | Burner, wall-hung boiler and sectional combustion control method |
| CN110500784A (en) * | 2019-08-07 | 2019-11-26 | 武汉海尔热水器有限公司 | Modularization air draft component and gas-heating equipment |
| CN110762848A (en) * | 2019-09-26 | 2020-02-07 | 万家乐热能科技有限公司 | Wall-mounted furnace wind pressure monitoring and controlling method and application thereof |
| CN113446731A (en) * | 2020-03-24 | 2021-09-28 | 上海申花电工器材有限公司 | Low-loss high-efficiency wall-mounted gas boiler |
| CN113899072A (en) * | 2021-10-29 | 2022-01-07 | 广东万和热能科技有限公司 | Gas heating water heater |
| CN114576862A (en) * | 2022-04-01 | 2022-06-03 | 宁波方太厨具有限公司 | Control method and control device of gas wall-mounted boiler and gas wall-mounted boiler |
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| CN110500784A (en) * | 2019-08-07 | 2019-11-26 | 武汉海尔热水器有限公司 | Modularization air draft component and gas-heating equipment |
| CN110762848A (en) * | 2019-09-26 | 2020-02-07 | 万家乐热能科技有限公司 | Wall-mounted furnace wind pressure monitoring and controlling method and application thereof |
| CN113446731A (en) * | 2020-03-24 | 2021-09-28 | 上海申花电工器材有限公司 | Low-loss high-efficiency wall-mounted gas boiler |
| CN113899072A (en) * | 2021-10-29 | 2022-01-07 | 广东万和热能科技有限公司 | Gas heating water heater |
| CN114576862A (en) * | 2022-04-01 | 2022-06-03 | 宁波方太厨具有限公司 | Control method and control device of gas wall-mounted boiler and gas wall-mounted boiler |
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