CN106545845A - Air segmenting supply burner, method and burnt gas wall hanging furnace - Google Patents

Air segmenting supply burner, method and burnt gas wall hanging furnace Download PDF

Info

Publication number
CN106545845A
CN106545845A CN201611050445.6A CN201611050445A CN106545845A CN 106545845 A CN106545845 A CN 106545845A CN 201611050445 A CN201611050445 A CN 201611050445A CN 106545845 A CN106545845 A CN 106545845A
Authority
CN
China
Prior art keywords
burner
air
supplying
segmenting
supply pipe
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.)
Granted
Application number
CN201611050445.6A
Other languages
Chinese (zh)
Other versions
CN106545845B (en
Inventor
张霞
梁桂源
康道远
李胤媛
张坚伏
胥宗朋
汪俊勇
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 CN201611050445.6A priority Critical patent/CN106545845B/en
Publication of CN106545845A publication Critical patent/CN106545845A/en
Application granted granted Critical
Publication of CN106545845B publication Critical patent/CN106545845B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/02—Disposition of air supply not passing through burner
    • 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
    • F24H1/124—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 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2201/00—Staged combustion
    • F23C2201/30—Staged fuel supply
    • F23C2201/301—Staged fuel supply with different fuels in stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)

Abstract

The present invention relates to a kind of air segmenting supplies burner, method and burnt gas wall hanging furnace, wherein air segmenting supply burner includes burner (1), burner hearth (2), blower fan (4) and device for supplying, the blower fan (4) is for making the burner hearth (2) in negative pressure state, so that outside air is admitted to the burner (1) and the device for supplying under suction function, the air capacity of the burner (1) is sent into wherein less than the theoretical air requirement needed for the burner (1) fuel combustion, the air in the burner hearth (2) is sent into by the device for supplying to be used to make the combustion product of the burner (1) further burn.By supplying technology using air segmenting, the peak value and mean temperature of flame temperature are all reduced the present invention, and the generation of nitrogen oxides can also be reduced, and reduce the pollution to environment.

Description

Air segmenting supply burner, method and burnt gas wall hanging furnace
Technical field
The present invention relates to field of combustion technology, more particularly to a kind of air segmenting supply burner, method and combustion gas wall Hang stove.
Background technology
As gaseous fuel is more and more used, combustion product has also become a key factor of atmospheric pollution. Under normal circumstances, gaseous fuel be through desulfurizing and purifying, so produce sulfide quantity it is fewer, as long as while burning Completely, the content of the CO in flue gas is also little, therefore the generating capacity of nitrogen oxides how is reduced during fuel gas buring, Just become one and compare distinct issues.
Burnt gas wall hanging furnace using combustion gas as fuel, the combustion heat release post-heating recirculated water in the main heat exchanger, so as to for building The heat power equipment of Heating Medium or domestic hot-water is provided.Wall-hung boiler both can provide thermal source, alternatively ground heating system for fin Thermal source is provided.The heating wall-hung boiler heating system for currently using, as which adopts atmospheric burning type mode, produces in combustion process Heat directly exchange heat for main heat exchanger, burner temperature is higher, causes that flue gas surplus is larger, and heat loss due to exhaust gas is higher, burning The amount of nitrogen oxides of generation is higher, does not reach the purpose of environmental protection.Therefore, the generating capacity for how reducing nitrogen oxides also becomes combustion The research direction of gas wall-hung boiler.
It should be noted that the information for being disclosed in background of invention part is merely intended to increase the totality to the present invention The understanding of background, and be not construed as recognizing or imply in any form the information structure by those skilled in the art public affairs The prior art known.
The content of the invention
The purpose of the present invention is to propose to a kind of air segmenting supply burner, method and burnt gas wall hanging furnace, with as far as possible Reduce the generation of nitrogen oxides in ground.
For achieving the above object, the invention provides a kind of air segmenting supply burner, including burner, burner hearth, Blower fan and device for supplying, the blower fan are used to make the burner hearth in negative pressure state, so that outside air quilt under suction function The burner and the device for supplying are sent into, wherein the air capacity for sending into the burner is fired less than the burner fuel Theoretical air requirement needed for burning, the air in the burner hearth is sent into by the device for supplying to be used to make the burning of the burner Product further burns.
Further, the blower fan is arranged on the top of the burner hearth, and the burner is arranged on the bottom of the burner hearth, The device for supplying is arranged in the burner hearth and positioned at the top of the burner.
Further, the device for supplying includes supply pipe, and the end of the supply pipe is erected at the side wall of the burner hearth On, the end face of the supply pipe is provided with air intlet, and the tube wall of the supply pipe is provided with air outlet slit.
Further, on the burner on the gross area of air intlet and the supply pipe air intlet gross area quilt The ratio of the air capacity for being configured to send into the burner and the air capacity for sending into the device for supplying is 1:1～2:3.
Further, the supply pipe includes multiple, and the air outlet slit is configured to so that from the air outlet slit The air of blowout blows to the space between two adjacent supply pipes.
Further, it is described supply pipe include it is multiple, it is multiple it is described feed pipes be arranged in parallel.
Further, the supply pipe includes multiple, and coplanar, and the bottom surface phase with the burner hearth is managed in multiple supplies It is mutually parallel.
For achieving the above object, air segmenting supply combustion present invention also offers a kind of burnt gas wall hanging furnace including above-mentioned Burn device.
Further, also including heat exchanger, the heat exchanger is arranged on the top of the burner hearth, with by the heat exchanger Combustion product gases are exchanged heat.
For achieving the above object, present invention also offers a kind of air segmenting supplies combustion method, including：
Blower fan is opened before combustion, is made in burner hearth in negative pressure state；
Outside air is sent into into burner and device for supplying under suction function, wherein sending into the air capacity of the burner Less than the theoretical air requirement needed for the burner fuel combustion, the air in the burner hearth is sent into by the device for supplying Combustion product for making the burner further burns.
Based on above-mentioned technical proposal, the present invention makes burner hearth in negative first with blower fan before combustion by arranging blower fan Pressure condition, such outside air can easily enter burner and device for supplying under suction function, and send into burning The air capacity of device is not filled less than the theoretical air requirement needed for burner fuel combustion, i.e. burning of the fuel in burner Point, therefore the mean temperature in the peak value and burner of flame temperature can be reduced, and the generation of nitrogen oxides is reduced, it is right to reduce The pollution of atmospheric environment, and the air into device for supplying can make combustion product further burn, and reduce burn incompletely and produce The content of thing.Meanwhile, quirk is admitted air into by the ejector action of flame jet compared in industrial equipment, the present invention passes through Suction function makes outside air enter the mode of burner and device for supplying, is more suitable for burnt gas wall hanging furnace etc. and cannot be formed penetrating The equipment of stream injection.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of burnt gas wall hanging furnace one embodiment of the present invention.
Fig. 2 is front view, top view and the left view of supply pipe in burnt gas wall hanging furnace one embodiment of the present invention.
In figure：1- burners, 2- burner hearths, 3- supply pipes, 31- air outlet slits, 32- air intlets, 4- blower fans, 5- water routes knot Structure, 6- air-flow directions, 7- heat exchangers.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is clearly and completely retouched State.Obviously, described embodiment a part of embodiment only of the invention, rather than the embodiment of whole.Based on this Bright embodiment, the every other enforcement obtained under the premise of creative work is not made by those of ordinary skill in the art Example, belongs to the scope of protection of the invention.
In describing the invention, it is to be understood that term " " center ", " horizontal ", " longitudinal direction ", "front", "rear", "left", "right", " on ", D score, " vertical ", " level ", " top ", " bottom ", " interior ", the orientation of the instruction such as " outward " or position relationship be Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or dark Show that the device or element of indication there must be specific orientation, with specific azimuth configuration and operation therefore it is not intended that right The restriction of the scope of the present invention.
The structure of the burnt gas wall hanging furnace with reference to shown in Fig. 1, in air segmenting supply burner proposed by the invention In one embodiment, air segmenting supply burner can include burner 1, burner hearth 2, blower fan 4 and device for supplying, blower fan 4 For making burner hearth 2 in negative pressure state, so that outside air is admitted to burner 1 and device for supplying under suction function, wherein The air capacity of burner 1 is sent into less than the theoretical air requirement needed for 1 fuel combustion of burner, burner hearth is sent into by device for supplying Air in 2 is used to make the combustion product of burner 1 further burn.
Supply mode of the embodiment by auxiliary air stagewise, keeps constant feelings in the total excess air of burner hearth Under condition, the air for being sent to burner 1 is decreased below theoretical air requirement, another part air is sent into into stove by device for supplying Thorax 2, when unburnt combustion gas rises, runs into the air of top and rekindles, complete until burning.
In the above-described embodiments, by arranging blower fan, burner hearth is made in negative pressure state first with blower fan before combustion, this Sample outside air can easily enter burner and device for supplying under suction function, and send into the air capacity of burner Burning less than the theoretical air requirement needed for burner fuel combustion, i.e. fuel in burner is simultaneously insufficient, therefore can be with The mean temperature in the peak value and burner of flame temperature is reduced, and the temperature in the generation of nitrogen oxides and main burning area is just There is direct relation, therefore by using fragmentation technique, aflame nitrogen oxides can be made to reduce 60%-80%, it is right to reduce The pollution of environment.And the air into device for supplying can make combustion product further burn, burn incompletely product is reduced Content.
Meanwhile, quirk is admitted air into by the ejector action of flame jet compared in industrial equipment, is made by negative pressure With the mode for making outside air enter burner and device for supplying, it is more suitable for burnt gas wall hanging furnace etc. and cannot forms jet injection Equipment.
One kind that burner is supplied as air segmenting implements form, structure of the burner hearth 2 for vertically placement, blower fan 4 tops for being arranged on burner hearth 2, burner 1 are arranged on the bottom of burner hearth 2, and device for supplying is arranged in burner hearth 2 and is located at burner 1 top.So under the swabbing action of blower fan 4, outside air enters burner 1 and device for supplying along air-flow direction 6, The combustion product of burner 1 is flowed up, and is mixed with the air blown out from device for supplying 3 at device for supplying 3, is completed further Ground burning, until burning completely.
In addition to above-mentioned way of realization, burner hearth 2 can also be arranged on the right side of burner hearth 2 for the structure of horizontal positioned, blower fan 4 End, burner 1 are arranged on the left end of burner hearth 2, and device for supplying is arranged in burner hearth 2 and positioned at the right-hand member of burner 1, so, Under the swabbing action of blower fan, the combustion product of burner 1 flows to the right, at device for supplying 3 and from the blowout of device for supplying 3 Air mixes, and completes further to burn, until burning completely.
Certainly, the setting of burner hearth 2 and blower fan 4, burner 1 and device for supplying can also be other directions, as long as can Realize its effect.
Used as a specific embodiment of device for supplying, as shown in Fig. 2 device for supplying includes feeding pipe 3, supply pipe 3 can Think pipe, or the pipe of rectangular tube or other shapes.The end of supply pipe 3 is erected on the side wall of burner hearth 2, supply pipe 3 end face is provided with air intlet 32, and the tube wall for feeding pipe 3 is provided with air outlet slit 31.Outside air passes through along air-flow direction 6 Air intlet 32 enters supply pipe 3, then flows out supply pipe 3 by air outlet slit 31, and into burner hearth 2, the burning of burner 1 is produced Thing is mixed with the air flowed out from air outlet slit 31 after rising, and completes further to burn.
Wherein, the concrete form for feeding the air intlet 32 on pipe 3 has various, can be a macropore, or such as Multiple apertures in Fig. 2 shown in left view.
Homogenizing plate can be set on burner 1, and homogenizing plate is provided with multiple apertures, and air can be entered by these apertures Burner 1, the setting of homogenizing plate can make the air draught into burner 1 more uniform, and then make air uniform with fuel Contact, improves efficiency of combustion.
For the generation for reaching preferable combustion efficiency He be reduced as far as nitrogen oxides, air intlet on burner 1 On the gross area and supply pipe 3, the gross area of air intlet 32 is configured to send into the air capacity of burner 1 and sends into device for supplying Air capacity ratio can be 1:1～2:3, preferably 2:3, fuel so can be made as much as possible only to carry out in burner 1 Primary first-order equation, the C of generation+、CO+、H+CO Deng intermediate product rather than final2And H2O；And in air supply respect, it is ensured that Air capacity at supply pipe 3 is sufficient, allows the fuel to burn completely.
In air segmenting of the present invention supply one preferred embodiment of burner, supply pipe 3 includes multiple, and air goes out Mouthfuls 31 are configured to cause the air from the blowout of air outlet slit 31 to blow to two adjacent spaces fed between pipe 3, so may be used So that gap of the fuel between two adjacent supply pipes 3 is further burnt.Certainly, except the supply pipe positioned at both sides 3, other both sides for being located at middle supply pipe 3 can arrange air outlet slit 31, make the air into these supply pipes 3 can be with Gap is blowed to respectively by both sides.
For the arrangement form of supply pipe 3 flexibly can also be selected, such as, multiple supply pipes 3 can be arranged in parallel；It is multiple Supply pipe 3 with coplanar, and can be parallel to each other with the bottom surface of burner hearth 2；Certainly, multiple supply pipes 3 both can also be parallel to each other It is again coplanar.
Air segmenting supply burner based on more than in each embodiment, the present invention also proposes a kind of including air point The burnt gas wall hanging furnace of section supply burner.The positive effect that air segmenting supply burner possesses in each embodiment above Fruit is equally applicable to burnt gas wall hanging furnace, repeats no more here.
Burnt gas wall hanging furnace also includes heat exchanger 7, and heat exchanger 7 is arranged on the top of burner hearth 2, with by 7 pairs of burnings of heat exchanger Flue gas is exchanged heat.
The waterway structure 5 of burnt gas wall hanging furnace is arranged on the lower section of burner hearth 2, and waterway structure 5 can be by pipeline and heat exchanger 7 Connection, so as to circulate in the liquid of heat exchanger 7 and high-temperature fuel gas are exchanged heat, reaches the purpose for heating liquid.
The present invention also proposes a kind of air segmenting supply combustion method, and the method includes：
Blower fan 4 is opened before combustion, is made in burner hearth 2 in negative pressure state；
Outside air is sent into into burner 1 and device for supplying under suction function, wherein the air capacity for sending into burner 1 is few Theoretical air requirement needed for 1 fuel combustion of burner, the air in burner hearth 2 is sent into by device for supplying to be used to make burner 1 combustion product further burns.
The air segmenting supply combustion method is the same with above-mentioned air segmenting supply burner, can reduce flame temperature Mean temperature in the peak value and burner 1 of degree, reduces the generation of nitrogen oxides, is conducive to environment protection.
By the explanation that multiple embodiments of burner, method and burnt gas wall hanging furnace are supplied to air segmenting of the present invention, Can see that, compared to traditional combustion system, air segmenting supply burner of the present invention, method and burnt gas wall hanging furnace are implemented Example, using the burning of fragmentation technique, the peak value and mean temperature of its flame temperature are all reduced, and the generation of nitrogen oxides with The temperature height in main burning area has direct relation, therefore by using fragmentation technique, subtracts can aflame nitrogen oxides Few 60%-80%, reduces the pollution to environment.
Finally it should be noted that：Above example is only to illustrate technical scheme rather than a limitation；To the greatest extent Pipe has been described in detail to the present invention with reference to preferred embodiment, and those of ordinary skill in the art should be understood：Still The specific embodiment of the present invention can be modified or equivalent is carried out to some technical characteristics；Without deviating from this The spirit of bright technical scheme, which all should be covered in the middle of the technical scheme scope being claimed in the present invention.

Claims (10)

1. a kind of air segmenting supplies burner, it is characterised in that including burner (1), burner hearth (2), blower fan (4) and supply Device, the blower fan (4) for making the burner hearth (2) in negative pressure state so that outside air is admitted under suction function The burner (1) and the device for supplying, wherein sending into the air capacity of the burner (1) less than in the burner (1) Theoretical air requirement needed for fuel combustion, the air in the burner hearth (2) is sent into by the device for supplying to be used to make the combustion The combustion product of burner (1) further burns.
2. air segmenting according to claim 1 supplies burner, it is characterised in that the blower fan (4) is arranged on institute The top of burner hearth (2) is stated, the burner (1) is arranged on the bottom of the burner hearth (2), and the device for supplying is arranged on the stove In thorax (2) and positioned at the top of the burner (1).
3. air segmenting according to claim 1 and 2 supplies burner, it is characterised in that the device for supplying includes Supply pipe (3), the end of supply pipe (3) are erected on the side wall of the burner hearth (2), and the end face of supply pipe (3) sets The tube wall for having air intlet (32), supply pipe (3) is provided with air outlet slit (31).
4. air segmenting according to claim 3 supplies burner, it is characterised in that air on the burner (1) On the gross area of import and the supply pipe (3), the gross area of air intlet (32) is configured to send into the burner (1) Air capacity is 1 with the ratio of the air capacity for sending into the device for supplying:1～2:3.
5. air segmenting according to claim 3 supplies burner, it is characterised in that the supply pipe (3) is including more It is individual, the air outlet slit (31) be configured to so that the air blown out from the air outlet slit (31) blow to two it is adjacent described Space between supply pipe (3).
6. air segmenting according to claim 3 supplies burner, it is characterised in that the supply pipe (3) is including more Individual, multiple supplies pipe (3) be arranged in parallel.
7. air segmenting according to claim 3 supplies burner, it is characterised in that the supply pipe (3) is including more Individual, multiple supplies pipe (3) are coplanar, and are parallel to each other with the bottom surface of the burner hearth (2).
8. a kind of burnt gas wall hanging furnace, it is characterised in that include the air segmenting supply combustion as described in any one of claim 1～7 Burn device.
9. burnt gas wall hanging furnace according to claim 8, it is characterised in that also including heat exchanger (7), the heat exchanger (7) The top of the burner hearth (2) is arranged on, to exchange heat to combustion product gases by the heat exchanger (7).
10. a kind of air segmenting supplies combustion method, it is characterised in that include：
Blower fan (4) is opened before combustion, is made in burner hearth (2) in negative pressure state；
Outside air is sent into into burner (1) and device for supplying under suction function, wherein sending into the air of the burner (1) Amount sends into the burner hearth (2) by the device for supplying less than the theoretical air requirement needed for the burner (1) fuel combustion Interior air is used to make the combustion product of the burner (1) further burn.
CN201611050445.6A 2016-11-24 2016-11-24 Air segmenting supplies burner, method and burnt gas wall hanging furnace Active CN106545845B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611050445.6A CN106545845B (en) 2016-11-24 2016-11-24 Air segmenting supplies burner, method and burnt gas wall hanging furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611050445.6A CN106545845B (en) 2016-11-24 2016-11-24 Air segmenting supplies burner, method and burnt gas wall hanging furnace

Publications (2)

Publication Number Publication Date
CN106545845A true CN106545845A (en) 2017-03-29
CN106545845B CN106545845B (en) 2019-01-29

Family

ID=58395811

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611050445.6A Active CN106545845B (en) 2016-11-24 2016-11-24 Air segmenting supplies burner, method and burnt gas wall hanging furnace

Country Status (1)

Country Link
CN (1) CN106545845B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107504679A (en) * 2017-09-22 2017-12-22 北京中科传能环保技术有限公司 One kind drop nitrogen gas fired-boiler
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101233365A (en) * 2006-01-30 2008-07-30 株式会社能率 Combustion apparatus
CN101699169A (en) * 2009-09-24 2010-04-28 朱宏锋 Closed type fireplace with forced air supplement device
CN102538174A (en) * 2012-03-01 2012-07-04 艾欧史密斯(中国)热水器有限公司 Low-noise gas instantaneous water heater
CN103727653A (en) * 2013-12-23 2014-04-16 天津城建大学 Negative-pressure injection type full-premix sectional combustion heating device
CN104713082A (en) * 2013-12-17 2015-06-17 海尔集团公司 Gas water heater staged combustion device
CN106016748A (en) * 2016-07-28 2016-10-12 浙江双菱戴纳斯帝电气有限公司 Low-nitrogen atmosphere type condensation wall-hanging stove

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101233365A (en) * 2006-01-30 2008-07-30 株式会社能率 Combustion apparatus
CN101699169A (en) * 2009-09-24 2010-04-28 朱宏锋 Closed type fireplace with forced air supplement device
CN102538174A (en) * 2012-03-01 2012-07-04 艾欧史密斯(中国)热水器有限公司 Low-noise gas instantaneous water heater
CN104713082A (en) * 2013-12-17 2015-06-17 海尔集团公司 Gas water heater staged combustion device
CN103727653A (en) * 2013-12-23 2014-04-16 天津城建大学 Negative-pressure injection type full-premix sectional combustion heating device
CN106016748A (en) * 2016-07-28 2016-10-12 浙江双菱戴纳斯帝电气有限公司 Low-nitrogen atmosphere type condensation wall-hanging stove

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107504679A (en) * 2017-09-22 2017-12-22 北京中科传能环保技术有限公司 One kind drop nitrogen gas fired-boiler
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

Also Published As

Publication number Publication date
CN106545845B (en) 2019-01-29

Similar Documents

Publication Publication Date Title
KR101428542B1 (en) Combustor with air intake preheater
CN204461005U (en) Synthetic leather wet method line air heating system
CA1165649A (en) Furnaces
CN106545845B (en) Air segmenting supplies burner, method and burnt gas wall hanging furnace
CN208735618U (en) A kind of novel segmentation low nitrogen combustion apparatus
CN202647761U (en) Novel burner
CN102734808A (en) Low-odor type reed pulp black liquor combustion boiler and combustion method thereof
CN206310480U (en) A kind of burner hearth for realizing NOx reduction reactions
CN201983253U (en) Biomass direct-fired boiler
CN205535967U (en) Biomass burning device
CN201159472Y (en) Energy-saving discharge-reducing chain boiler equipment
CN202647841U (en) Boiler
CN207350325U (en) A kind of new step arch W flame boiler furnace structure
CN206593099U (en) A kind of oil, gas dual burner with air preheating system
CN206803183U (en) A kind of CFB circulating fluid bed boiler secondary airs system
CN206073129U (en) A kind of blowing system for biomass boiler
CN202947307U (en) Special boiler fro breeding
CN204345621U (en) Natural gas ceramic kiln energy-saving combustion system
CN201680381U (en) Water-cooled grate with multiple wind chambers
CN217503651U (en) Porous medium combustor convenient to gas distribution
CN203231294U (en) Guide flame-condensing secondary gasifier
CN216644263U (en) Air supply system for independently distributing primary air and flue gas circulating air for combustion furnace
CN201753919U (en) Coal gasification diffusion combustion environmental protection boiler
CN212157125U (en) Assembled normal pressure hot water boiler
CN109695877B (en) Two-stage combustion type fire grate burner

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