CN105890014B - A kind of automatic fuel gas combined heating apparatus and technique - Google Patents
A kind of automatic fuel gas combined heating apparatus and technique Download PDFInfo
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- CN105890014B CN105890014B CN201610384916.0A CN201610384916A CN105890014B CN 105890014 B CN105890014 B CN 105890014B CN 201610384916 A CN201610384916 A CN 201610384916A CN 105890014 B CN105890014 B CN 105890014B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
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Abstract
A kind of automatic fuel gas combined heating apparatus, including shell, inlet and outlet pipes, gas pipeline, combustion system and fume extractor；The combustion system is made of one or more combustion chambers in tandem；Each combustion chamber includes a combustion gas injection device, several combustions row and the heat exchanger positioned at combustion row top, the air inlet of the combustion gas injection device is connect by inlet pipe connection road with gas pipeline, several nozzles corresponding with the air inlet of combustion row are provided on the combustion gas injection device；Heat exchanging water pipe one end of the heat exchanger connects water inlet pipe, and the other end connects outlet pipe；The water inlet pipe connects municipal water supply pipeline, and outlet pipe uses thermal by the connection of heat supply water pipe；Solenoid electric valve and gas switch valve are provided on the inlet pipe connection road.The water inlet line of Combined gas formula heating system of the present invention, heater can directly be connect with municipal water supplies, not only save cost, and more accurate control water flow and water temperature.
Description
Technical field
The present invention relates to heating equipment technical fields, more particularly, to a kind of automatic fuel gas combined heating apparatus and work
Skill.
Background technique
It is fuel that gas heating device, which is using combustion gas, and the device of bathing, drinking water, heating is carried out by heat hot water.By
, sanitation and hygiene easy to use in its, are commonly used for house and enterprises and institutions' warming and bathing and drinking water is used.
But fuel itself is organic hydrocarbon compounds, is reacted if combustion chemistry cannot occur with the oxygen in air
Become the water and carbon dioxide substantially harmless to human body and environment, it is possible to give off, easily cause as harmful substance
Operator sucks the undesirable conditions such as poisonous gas poisoning and occurs, this is one of the dominant mechanism of hydrocarbon (HC) discharge;
If fuel will lead to gaseous mixture overrich and can't burn completely too much, wherein carbon containing more ingredient or becoming carbon containing less
Hydrocarbon or aldehyde material (gas) or become the increasingly complex particulate matter of carbon containing more structure, or become solid
The soot particulate (namely PM) of body, or become combustion intermediate product carbon monoxide (CO), so caused by oxygen is insufficient
Imperfect combustion product is another mechanism that hydrocarbon (HC) is discharged and soot and particulate matter (PM) discharge and an oxygen
Change unique mechanism of carbon (CO) discharge.Judging from the current situation, in a short time, the work restructured the use of energy by energy substitution technology
With limited.How to improve the efficiency of combustion of combustion gas, reduce the carbon emission amount in combustion process, is most effective at present also most urgently to solve
Certainly the problem of.
In addition, traditional gas heating device needs to add water pump respectively in the inlet and outlet of water pipe, pass through water pump
Pressurization control water and water velocity, be suitable for cell or the place bigger with hot water amount, heating amount, one supplies
Hot device needs to be worked at the same time with two pumps to complete water flow heating work, still, in actual operating process, the synchronous work of two pumps
It is larger to make not only cost, but also needs higher precision.
Summary of the invention
In order to overcome the shortcomings in the background art, the invention discloses a kind of automatic fuel gas combined heating apparatus.
In order to realize the goal of the invention, the present invention adopts the following technical scheme: a kind of automatic fuel gas combined type heat supply
Device, including shell, inlet and outlet pipes, gas pipeline, combustion system and fume extractor；The combustion system by one or two with
Upper combustion chamber is composed in series；Each combustion chamber includes a combustion gas injection device, several combustions row and changing positioned at combustion row top
The air inlet of hot device, the combustion gas injection device is connect by inlet pipe connection road with gas pipeline, the combustion gas injection device
On be provided with the corresponding nozzles of air inlet of several and combustion row；Heat exchanging water pipe one end of the heat exchanger connects water inlet pipe,
The other end connects outlet pipe；The water inlet pipe connects municipal outlet conduit, and outlet pipe uses thermal by the connection of heat supply water pipe；Institute
It states and is provided with solenoid electric valve and gas switch valve on inlet pipe connection road.
In order to be further improved technical solution, combustion row of the present invention includes combustion plate-laying, inlet chamber, combustion gas bend, air flue
Disperse chamber and combustion chamber；The front lower portion of combustion plate-laying is arranged in the inlet chamber, and inlet chamber disperses by combustion gas bend and air flue
Chamber is connected, and air flue disperses the top that chamber is located at combustion plate-laying, and combustion chamber is located at the top of air flue dispersion chamber and two cavitys are connected
It is logical, it is provided with horizontal cover board above combustion chamber, is provided with burner port on horizontal cover board；Combustion gas bend one end connects air inlet
Chamber, the other end stretch to the rear end of combustion plate-laying, and then front bending obliquely is connected with air flue dispersion chamber.
In order to be further improved technical solution, it is provided with burning baffle on the outside of the left and right wall of combustion chamber of the present invention, is fired
It is evenly arranged with several solder joints on burning baffle to be welded on the left and right outer wall of combustion chamber, pad portion is provided with solder joint groove；
Being horizontally disposed between the air flue dispersion chamber and combustion chamber has adjustable plate, and it is convex that support is provided in the left and right cavity wall below adjustable plate
It rises, the end of adjustable plate stretches to the exclusive portion of combustion and is provided with regulation handle；The spaced setting of the front-rear direction of the combustion chamber
There is several groups burner port；Adjustment hole corresponding with burner port is provided on the adjustable plate.
In order to be further improved technical solution, fume extractor of the present invention includes into smoke-box and sealing smoke pipeline, institute
That states is connected into smoke-box side with smoke pipeline is sealed, and smoking port is arranged into the lower section of smoke-box, smoking port is located at combustion chamber
Top；Smoke pipeline is sealed to be connected with smoking blower.
The smoke evacuation system includes sealing plate and seals smoke pipeline, and the sealing plate is located at is between two combustion chambers
Arrangement sealed around, setting seals smoke pipeline above the combustion chamber of the top, described to seal smoke pipeline and smoking wind
Machine is connected.
In order to be further improved technical solution, combustion system of the present invention includes that three or more combustion chambers are in parallel up and down
Composition, water inlet pipe and outlet pipe are vertically arranged；Water inlet pipe is connected by the arrival end of water inlet connecting pipe and heat exchanging water pipe, institute
State that there are two 90-degree bendings into setting in water connecting pipe, and the water inlet for connecting pipe of intaking is lower than water outlet；Heat-exchanging water
The outlet end of pipe is connect by being discharged connecting pipe with outlet pipe, and there are two 90-degree bendings for setting in the water outlet connecting pipe
Structure, and the water inlet for being discharged connecting pipe is lower than water outlet.
In order to be further improved technical solution, the diameter of nozzle of the present invention is 0.7 ~ 1.0mm, each combustion chamber Nei Bao
25 ~ 30 combustion rows composition side by side is included, the nozzle of quantity identical as combustion number of rows is provided on combustion gas injection device, and nozzle and combustion are arranged
Inlet chamber correspond.
In order to be further improved technical solution, the diameter of nozzle of the present invention is 0.91mm, in each combustion chamber side by side
28 combustion rows are provided with, is provided on combustion gas injection device and arranges one-to-one nozzle with combustion.
In order to be further improved technical solution, heat exchanger front end of the present invention is still provided with baffle, is arranged on baffle
There is combustion zone peep hole.
By adopting the above-described technical solution, the invention has the following beneficial effects: Combined gas formula of the present invention confessions
The water inlet line of hot systems, heater can directly be connect with municipal water supplies, can when the mount of using heat is larger, hydraulic pressure is insufficient
To improve hydraulic pressure by also setting up pressure pump between heater and municipal water supplies, without Inlet and outlet water installation two
Platform water pump, not only saves cost, the setting of a pump or the heating system without pump, more accurate control water flow, into
And control water temperature.
The design in water inlet/outlet connecting pipe road effectively keeps hydraulic pressure when water flow can be made to pass through the heat exchanger of heater, into
And pass through regulation water velocity and flow again.In addition, being provided with 90-degree bending and its water (flow) direction is in water inlet connecting pipe
From lower to upper；The outlet end of heat exchanging water pipe is connect by being discharged connecting pipe with outlet pipe, is arranged in the water outlet connecting pipe
There are two 90-degree bending structure and water (flow) direction is the design of bend from lower to upper, first is that guidance water flow, second is that under hydraulic pressure
When drop or deficiency, prevent from flowing backwards to a certain extent, to prevent thermal loss.
In addition, combustion row of the present invention, it can be according to combustion gas air pressure and combustion needs, of pre-adjusted burner port
Several and area, and then carry out heat exchange operation.The design of bend increases the time that combustion gas passes through, and combustion gas can be made sufficient
Burning, ensure that enough safety.The design of burning baffle plays certain guide functions to combustion zone to a certain extent,
Especially by burner port design between two solder joint grooves, that is, it ensure that stability of the burning baffle in conjunction with cavity wall of burning,
The efficiency of combustion of combustion zone is increased again.In addition, burner port design of different shapes can also generate the combustion zone of different angle, it is right
The efficiency of combustion of combustion row also functions to certain influence.
Fume extractor of the present invention, a kind of structure be composed in parallel into smoke-box it is unified enter seal smoke pipeline, can be with
Independent fume collection is carried out to the top of each combustion chamber, reaches good smoke discharging effect；Another structure is to fire every two
The space progress burnt between room is sealed around, and the flue gas of lower layer combustion chamber enters upper layer, this not will cause gas leakage not only,
There are enough guarantees in safety, and the flue gas of lower layer is burnt again by the combustion chamber on upper layer, is effectively reduced carbon row
It puts, is good for the environment, and adequately discharged fume.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of automatic fuel gas combined heating apparatus of the present invention.
Fig. 2 is the structural schematic diagram of Section A-A in Fig. 1.
Fig. 3 is a kind of structural schematic diagram of fume extractor.
Fig. 4 is another structural schematic diagram of fume extractor.
Fig. 5 is the structural schematic diagram of combustion row.
Fig. 6 is the structural schematic diagram of section B-B in Fig. 5.
Fig. 7 is the structural schematic diagram in the section C-C in Fig. 5.
In figure: 1, heat supply water pipe；2, smoke pipeline is sealed；201, smoking port；202, sealing plate；3, heat exchanging water pipe；4, it changes
Hot plate；5, combustion row；6, combustion gas injection device；7, it is discharged connecting pipe；8, check-valves；9, outlet pipe；10, shell；11, into cigarette
Room；12, solenoid electric valve；13, gas switch valve；14, inlet pipe connection road；15, gas pipeline；16, baffle；17, combustion zone
Peep hole；
51, regulation handle；52, connecting card；53, combustion gas bend；54, adjustable plate；55, support protrusion；56, burning gear
Plate；57, air flue disperses chamber；58, combustion chamber；59, inlet chamber；510, mounting hole；511, plate-laying is fired；512, solder joint groove；513,
Horizontal cover board；514, burner port；515, adjustment hole.
Specific embodiment
By the following examples can the detailed explanation present invention, the open purpose of the present invention is intended to protect model of the present invention
Enclose all interior technological improvements.
Embodiment one
A kind of automatic fuel gas combined heating apparatus, including shell 10, inlet and outlet pipes, gas pipeline 15, combustion system
And fume extractor；The combustion system is made of one or more combustion chambers in tandem；Each combustion chamber includes a combustion gas
Air-jet device 6, several combustions row 5 and the heat exchanger above combustion row 5, the air inlet of the combustion gas injection device 6 by into
Gas connecting pipe 14 is connect with gas pipeline 15, and the air inlet phase of several and combustion row 5 is provided on the combustion gas injection device 6
Corresponding nozzle；3 one end of heat exchanging water pipe of the heat exchanger connects water inlet pipe, and the other end connects outlet pipe 9；The water inlet pipe connects
Municipal water supply pipeline is connect, outlet pipe 9 uses thermal by the connection of heat supply water pipe 1；Electricity is provided on the inlet pipe connection road 14
Magnetic control valve 12 and gas switch valve 13.
The fume extractor includes into smoke-box 11 and sealing smoke pipeline 2, described into 11 side of smoke-box and sealing smoke
Pipeline 2 is connected, and smoking port 201 is arranged into the lower section of smoke-box 11, smoking port 201 is located at the top of combustion chamber；Seal pipe
Road 2 is connected with smoking blower.The combustion system includes that three or more combustion chambers compose in parallel up and down, water inlet pipe and water outlet
Guan Jun is vertically arranged；Water inlet pipe is connect by connecting pipe of intaking with the arrival end of heat exchanging water pipe 3, and hot-water line 3 is horizontally installed on
Between several heat exchanger plates 4；There are two 90-degree bendings for setting in the water inlet connecting pipe, and the water inlet for connecting pipe of intaking
Mouth is lower than water outlet；The outlet end of heat exchanging water pipe 3 is connect by being discharged connecting pipe 7 with outlet pipe 9, the water outlet connecting pipe
There are two 90-degree bending structures for setting on 7, and the water inlet for being discharged connecting pipe is lower than water outlet；The water inlet connecting pipe
Check-valves 8 is respectively arranged with in water outlet connecting pipe 7.
The combustion row includes combustion plate-laying 511, inlet chamber 59, combustion gas bend 53, air flue dispersion chamber 57 and combustion chamber 58；It is described
The front lower portion of combustion plate-laying 511 is arranged in inlet chamber 59, and inlet chamber 59 is connected by combustion gas bend 53 with air flue dispersion chamber 57,
Air flue disperses the top that chamber 57 is located at combustion plate-laying 511, and combustion chamber 58 is located at the top of air flue dispersion chamber 57 and two cavitys are connected
Logical, the top of combustion chamber 58 is provided with horizontal cover board 513, is provided with burner port 514 on horizontal cover board 513；The combustion gas bend
53 one end connect inlet chamber 59, and the other end stretches to the rear end of combustion plate-laying 511, and then front bending obliquely disperses chamber 57 with air flue
It is connected.It is provided with burning baffle 56 on the outside of the left and right wall of the combustion chamber 58, is evenly arranged with several on the baffle 56 that burns
Solder joint is welded on the left and right outer wall of combustion chamber 58, and pad portion is provided with solder joint groove 512；The air flue dispersion chamber 57 and combustion
It burns to be horizontally disposed between chamber 58 and has adjustable plate 54, be provided with support protrusion 55, adjustable plate in the left and right cavity wall of 54 lower section of adjustable plate
54 end stretches to the exclusive portion of combustion and is provided with regulation handle 51；The burner port 514 is elongate in shape, and along combustion chamber 58
Front and back connects direction setting；The front-rear direction of the combustion chamber 58 is spaced to be provided with several groups burner port 514；；The tune
Adjustment hole 515 corresponding with burner port 514 is provided on section plate 54.The heat exchanger front end is still provided with baffle 16, gear
Combustion zone peep hole 17 is provided on plate 16.
In use, opening water inlet pipe, water inlet connecting pipe and outlet pipe 9, the valve being discharged in connecting pipe 7 respectively first
Door, the water flowing in heat exchanger open simultaneously fume extractor；Then the electromagnetism control in burner on inlet pipe connection road 14 is opened
Combustion gas is passed through combustion gas injection device 6 by valve 12 and gas switch valve 13 processed, controls 2000 ~ 3000pa of admission pressure of combustion gas；It is logical
The nozzle in combustion gas injection device 6 is crossed to spray into combustion gas in combustion row 5；It is observed, is adjusted by the combustion zone peep hole 17 on baffle 16
The flame height of whole combustion zone is 6.5 ~ 7.5cm；Hot water in heat exchanger is flowed out by water outlet connecting pipe 7 and outlet pipe 9, into
Enter outside heater, division box is set outside heater；Hot water is diverted by division box and each uses thermal；Heat supply is complete
Bi Hou is first shut off burnt gas valve, turns off Inlet and outlet water valve.
Embodiment two
On the basis of example 1, the smoke evacuation system is changed in structure, and the smoke evacuation system includes sealing
Plate 202 is located between two combustion chambers in arrangement sealed around, is located at most upper with smoke pipeline 2, the sealing plate 202 is sealed
Setting seals smoke pipeline 2 above the combustion chamber of side, and the smoke pipeline 2 that seals is connected with smoking blower.The heat exchanger
Front end is still provided with baffle 16, and combustion zone peep hole 17 is provided on baffle 16.
Embodiment three
When heating load is larger, two or more heating plants are in parallel, heating load will be with heating plant quantity
Increase and is multiplied.
Claims (6)
1. a kind of automatic fuel gas combined heating apparatus, it is characterized in that: including shell (10), inlet and outlet pipes, gas pipeline
(15), combustion system and fume extractor；The combustion system includes that three or more combustion chambers compose in parallel up and down, each burning
Room includes a combustion gas injection device (6), several combustion rows (5) and the heat exchanger being located above combustion row (5), the combustion gas injection
The air inlet of device (6) is connect by inlet pipe connection road (14) with gas pipeline (15)-, on the combustion gas injection device (6)
It is provided with several nozzles corresponding with combustion row's air inlet of (5)；Heat exchanging water pipe (3) one end of the heat exchanger connects water inlet
Pipe, the other end connect outlet pipe (9)；The water inlet pipe connects municipal water supply pipeline, and outlet pipe (9) is connected by heat supply water pipe (1)
It connects and uses thermal；Solenoid electric valve (12) and gas switch valve (13) are provided on the inlet pipe connection road (14)；
The combustion row (5) includes combustion plate-laying (511), inlet chamber (59), combustion gas bend (53), air flue dispersion chamber (57) and combustion chamber
(58)；Inlet chamber (59) setting is in the front lower portion of combustion plate-laying (511), and inlet chamber (59) is by combustion gas bend (53) and gas
Road dispersion chamber (57) is connected, and air flue disperses the top that chamber (57) are located at combustion plate-laying (511), and combustion chamber (58) is located at air flue dispersion
The top of chamber (57) and two cavitys are connected, is provided with horizontal cover board (513), horizontal cover board above combustion chamber (58)
(513) burner port (514) are provided on；Described combustion gas bend (53) one end connects inlet chamber (59), and the other end stretches to combustion plate-laying
(511) rear end, then front bending obliquely is connected with air flue dispersion chamber (57)；
Water inlet pipe and outlet pipe are vertically arranged；Water inlet pipe is connect by connecting pipe of intaking with the arrival end of heat exchanging water pipe (3),
There are two 90-degree bendings for setting in the water inlet connecting pipe, and the water inlet for connecting pipe of intaking is lower than water outlet；Heat exchange
The outlet end of water pipe (3) is connect by being discharged connecting pipe (7) with outlet pipe (9), is provided on the water outlet connecting pipe (7)
Two 90-degree bending structures, and the water inlet for being discharged connecting pipe is lower than water outlet；
The diameter of the nozzle of the combustion gas injection device (6) is 0.7 ~ 1.0mm；It include 25 ~ 30 combustions in each combustion chamber
Row forms side by side, and the nozzle of quantity identical as combustion number of rows, and the inlet chamber of nozzle and combustion row are provided on combustion gas injection device (6)
(59) it corresponds；It is provided with and burns baffle (56) on the outside of the left and right wall of the combustion chamber (58), in burning baffle (56) uniformly
It is provided with several solder joints to be welded on the left and right outer wall of combustion chamber (58), pad portion is provided with solder joint groove (512)；It is described
Being horizontally disposed between air flue dispersion chamber (57) and combustion chamber (58) has adjustable plate (54), in the left and right cavity wall below adjustable plate (54)
It is provided with support protrusion (55), the end of adjustable plate (54) stretches to the exclusive portion of combustion and is provided with regulation handle (51)；The burning
Hole (514) is elongate in shape, and is arranged along the front and back of combustion chamber (58) connection direction；The front-rear direction of the combustion chamber (58) has
Interval is provided with several groups burner port (514)；Adjusting corresponding with burner port (514) is provided on the adjustable plate (54)
Hole (515).
2. automatic fuel gas combined heating apparatus as described in claim 1, it is characterized in that: the fume extractor includes into cigarette
It room (11) and seals smoke pipeline (2), it is described to be connected into smoke-box (11) side with smoke pipeline (2) is sealed, into smoke-box
(11) smoking port (201) are arranged in lower section, and smoking port (201) is located at the top of combustion chamber；Seal smoke pipeline (2) and smoking wind
Machine is connected.
3. automatic fuel gas combined heating apparatus as described in claim 1, it is characterized in that: the fume extractor further includes close
It sealing plate (202) and sealing smoke pipeline (2), it is in arrangement sealed around between two combustion chambers that the sealing plate (202), which is located at,
It is arranged above the combustion chamber of the top and seals smoke pipeline (2), the smoke pipeline (2) that seals is connected with smoking blower
It connects.
4. automatic fuel gas combined heating apparatus as described in claim 1, it is characterized in that: the combustion gas injection device (6)
Nozzle diameter be 0.91mm；28 combustion rows are set side by side in each combustion chamber, combustion gas injection device is arranged on (6)
Have and arranges one-to-one nozzle with combustion.
5. automatic fuel gas combined heating apparatus as described in claim 1, it is characterized in that: the heat exchanger front end is still set
It is equipped with baffle (16), combustion zone peep hole (17) is provided on baffle (16).
6. a kind of heat supply process of automatic fuel gas combined heating apparatus as described in claim 1, it is characterized in that: its technique
Process step are as follows:
A) water inlet pipe, water inlet connecting pipe and outlet pipe (9), the valve being discharged on connecting pipe (7) are opened respectively, are being exchanged heat
Water flowing in device, opens simultaneously fume extractor；
B) solenoid electric valve (12) in burner on inlet pipe connection road (14) and gas switch valve (13) are opened by combustion gas
Combustion gas injection device (6) are passed through, 2000 ~ 3000pa of admission pressure of combustion gas is controlled；
C) combustion gas is sprayed into combustion row (5) by the nozzle in combustion gas injection device (6)；
D) by combustion zone peep hole (17) observation on baffle (16), the flame height for adjusting combustion zone is 6.5 ~ 7.5cm；
E) hot water in heat exchanger is by water outlet connecting pipe (7) and outlet pipe (9) outflow, into outside heater, in heat supply
Division box is set outside device；
F) hot water is diverted by division box and each uses thermal；
G) after heat supply, it is first shut off burnt gas valve, turns off Inlet and outlet water valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384916.0A CN105890014B (en) | 2016-06-02 | 2016-06-02 | A kind of automatic fuel gas combined heating apparatus and technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384916.0A CN105890014B (en) | 2016-06-02 | 2016-06-02 | A kind of automatic fuel gas combined heating apparatus and technique |
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| Publication Number | Publication Date |
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| CN105890014A CN105890014A (en) | 2016-08-24 |
| CN105890014B true CN105890014B (en) | 2018-12-28 |
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ID=56710843
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610384916.0A Active CN105890014B (en) | 2016-06-02 | 2016-06-02 | A kind of automatic fuel gas combined heating apparatus and technique |
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| JPH10311509A (en) * | 1997-05-12 | 1998-11-24 | Hitachi Chem Co Ltd | Combustion device |
| CN2497221Y (en) * | 2001-09-14 | 2002-06-26 | 郭晓夫 | Module-combined multi-purpose gap heat-supply device |
| CN2720329Y (en) * | 2004-06-09 | 2005-08-24 | 苏茂均 | Gas water-heater |
| CN2786497Y (en) * | 2005-03-28 | 2006-06-07 | 祝永海 | Vertical electric gas-fired heating boiler |
| CN101191613A (en) * | 2006-11-28 | 2008-06-04 | 海尔集团公司 | Burner of blue flame gas water heater |
| JP4989242B2 (en) * | 2007-02-05 | 2012-08-01 | 株式会社パロマ | Water heater |
| CN202902592U (en) * | 2012-10-09 | 2013-04-24 | 余仕荣 | Complex heat exchange gas water heater |
| CN203177431U (en) * | 2013-01-31 | 2013-09-04 | 福州斯狄渢电热水器有限公司 | Gas water heater |
-
2016
- 2016-06-02 CN CN201610384916.0A patent/CN105890014B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10311509A (en) * | 1997-05-12 | 1998-11-24 | Hitachi Chem Co Ltd | Combustion device |
| CN2497221Y (en) * | 2001-09-14 | 2002-06-26 | 郭晓夫 | Module-combined multi-purpose gap heat-supply device |
| CN2720329Y (en) * | 2004-06-09 | 2005-08-24 | 苏茂均 | Gas water-heater |
| CN2786497Y (en) * | 2005-03-28 | 2006-06-07 | 祝永海 | Vertical electric gas-fired heating boiler |
| CN101191613A (en) * | 2006-11-28 | 2008-06-04 | 海尔集团公司 | Burner of blue flame gas water heater |
| JP4989242B2 (en) * | 2007-02-05 | 2012-08-01 | 株式会社パロマ | Water heater |
| CN202902592U (en) * | 2012-10-09 | 2013-04-24 | 余仕荣 | Complex heat exchange gas water heater |
| CN203177431U (en) * | 2013-01-31 | 2013-09-04 | 福州斯狄渢电热水器有限公司 | Gas water heater |
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| Publication number | Publication date |
|---|---|
| CN105890014A (en) | 2016-08-24 |
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