CN212273989U - Low-nitrogen water-cooling combustor with draught fan structure - Google Patents

Low-nitrogen water-cooling combustor with draught fan structure Download PDF

Info

Publication number
CN212273989U
CN212273989U CN202020703948.4U CN202020703948U CN212273989U CN 212273989 U CN212273989 U CN 212273989U CN 202020703948 U CN202020703948 U CN 202020703948U CN 212273989 U CN212273989 U CN 212273989U
Authority
CN
China
Prior art keywords
combustor
low
fan structure
venturi
draught fan
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.)
Active
Application number
CN202020703948.4U
Other languages
Chinese (zh)
Inventor
叶柱辉
樊杰
李春明
严宏炟
张金树
戴叶青
郑森杰
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.)
Zhejiang Shangneng Boiler Co ltd
Original Assignee
Zhejiang Shangneng Boiler Co ltd
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 Zhejiang Shangneng Boiler Co ltd filed Critical Zhejiang Shangneng Boiler Co ltd
Priority to CN202020703948.4U priority Critical patent/CN212273989U/en
Application granted granted Critical
Publication of CN212273989U publication Critical patent/CN212273989U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Gas Burners (AREA)

Abstract

The application discloses the utility model discloses a low nitrogen water-cooling combustor with draught fan structure. Belong to draught fan structure technical field, nitrogen oxide's emission in this combustor can reduce the combustor, and then reduce the cost of bringing because of exhaust-gas treatment, and simple structure, convenient to use. Including the combustor and with the combustor export relative draught fan of discharging fume, the combustor includes intake pipe, venturi, copper fire row and goes out the burner, intake pipe one end is relative with venturi one end, the venturi other end is installed and is arranged one end at the copper fire, the copper fire is arranged the other end and is installed the play burner towards the combustor export, the draught fan setting of discharging fume is in the combustor exit, the copper fire is arranged the department and is equipped with condenser tube.

Description

Low-nitrogen water-cooling combustor with draught fan structure
Technical Field
The utility model belongs to the technical field of draught fan structure technique and specifically relates to a low nitrogen water-cooling combustor with draught fan structure.
Background
The burner is a general term for a device for ejecting fuel and air in a certain manner to perform mixed combustion. The conventional burner discharges a large amount of nitrogen oxides, the air quality is affected when the nitrogen oxides are discharged into the atmosphere, the nitrogen oxides are usually discharged after treatment, and the waste gas treatment also has the technical problems of high cost and insufficient discharge of the nitrogen oxides.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve present combustor and have not enough of the emission of high oxynitrides, provide one kind and can reduce oxynitride's emission in the combustor, and then reduce the cost of bringing because of exhaust-gas treatment, and simple structure, convenient to use's low nitrogen water-cooling combustor that has the draught fan structure.
The technical problem is solved by the following technical scheme:
the utility model provides a low nitrogen water-cooling combustor with draught fan structure, includes the combustor and the draught fan of discharging fume relative with the combustor export, the combustor includes intake pipe, venturi, copper fire row and goes out the burner, intake pipe one end is relative with venturi one end, the venturi other end is installed and is arranged one end at the copper fire, the copper fire is arranged the other end and is installed the outlet fire mouth towards the combustor export, the draught fan setting of discharging fume is in the combustor exit, copper fire row department is equipped with condenser tube.
Optionally, one end of the air inlet pipe is provided with an air distribution cavity, the air distribution cavity is provided with a nozzle opposite to one end of the venturi tube, and the nozzle is opposite to one end of the venturi tube.
Optionally, one end of the air inlet pipe is provided with a nozzle opposite to one end of the venturi pipe.
Optionally, a premixing cavity communicated with the other end of the venturi tube is arranged in the copper fire grate.
Optionally, the cooling water pipe is a source-saving circulating cooling water pipe.
Optionally, a through hole through which a cooling water pipe can pass is formed in the copper fire grate.
Optionally, more than one nozzle is uniformly arranged on the gas distribution cavity, and the nozzles are opposite to one end of the venturi tube one by one.
The utility model discloses can reach following effect:
the utility model provides a low nitrogen water-cooling combustor with draught fan structure can reduce oxynitride's emission in the combustor, and then reduces the cost of bringing because of exhaust-gas treatment, and simple structure, convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of a low-nitrogen water-cooled burner with an induced draft fan structure provided by an embodiment of the present invention;
FIG. 2 is a side view of FIG. 1;
fig. 3 is a schematic structural view of a burner provided in the technical solution of the present invention.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown.
Example 1
Combine fig. 1-3, this embodiment provides a low nitrogen water-cooling combustor with draught fan structure, including combustor 2 and with combustor 2 export relative draught fan 1 of discharging fume, combustor 2 includes intake pipe 6, venturi 5, copper fire row 4 and go out burner 3, 6 one end in intake pipe is relative with 5 one end of venturi, 4 one ends are arranged at the copper fire to 5 other ends in the venturi, the copper fire is arranged 4 other ends and is installed the play burner 3 towards 2 exports of combustor, the draught fan 1 that discharges fume sets up in 2 exports of combustor, 4 departments are arranged to the copper fire and are equipped with condenser tube 9.
As an alternative embodiment of this embodiment, an air dividing chamber 7 is provided at one end of the air inlet pipe 6, and a nozzle 8 is provided on the air dividing chamber 7 opposite to one end of the venturi tube 5. As an alternative embodiment of this embodiment, the inlet pipe 6 is provided at one end with a nozzle 8 opposite to the end of the venturi pipe 5. As an alternative embodiment of this embodiment, more than one nozzle 8 is uniformly arranged on the gas distribution chamber 7, and the nozzles 8 are opposite to one end of the venturi tube 5. The gas distribution chamber 7 homogenizes the natural gas flow entering each nozzle 8.
The embodiment of the utility model provides an adopt nozzle 8 will send into venturi 5 through the natural gas that intake pipe 6 got into in the branch air cavity 7. By utilizing the suction of the smoke exhaust draught fan 1, air and natural gas are sucked into the Venturi tube 5 together and are mixed with the natural gas in the premixing cavity 10, and the purpose of low-nitrogen combustion is further achieved.
Example 2
With reference to fig. 1 to 3, the present embodiment provides a low-nitrogen water-cooled burner with an induced draft fan structure, which can be modified on the basis of embodiment 1 as follows: and a premixing cavity 10 communicated with the other end of the Venturi tube 5 is arranged in the copper fire grate 4. As an alternative embodiment of this embodiment, the cooling water pipe 9 is a source-saving circulating cooling water pipe. As one of the alternative embodiments of the embodiment, a through hole through which the cooling water pipe 9 can pass is arranged in the copper fire grate 4.
The embodiment of the utility model provides a through 9 adoption recirculated cooling water of condenser tube 4 and the cooling of premixing chamber 10 are arranged to the copper fire of combustor 2, the conversion of nitrogen oxide is effectively reduced to the temperature low energy to realize reducing nitrogen oxide's emission, and then reduce the cost because of exhaust-gas treatment brings.
The embodiment of the utility model provides a low nitrogen water-cooling combustor with draught fan structure can reduce oxynitride's emission in the combustor, and then reduces the cost of bringing because of exhaust-gas treatment, and simple structure, convenient to use, and the reliability is high.
The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a low nitrogen water-cooling combustor with draught fan structure, its characterized in that, include the combustor and with the combustor export relative draught fan of discharging fume, the combustor includes intake pipe, venturi, copper fire row and goes out the burner, intake pipe one end is relative with venturi one end, the venturi other end is installed and is arranged one end at the copper fire, the copper fire row other end is installed the burner that goes out towards the combustor export, the draught fan setting of discharging fume is in the combustor exit, the copper fire row department is equipped with condenser tube.
2. The low-nitrogen water-cooled burner with the induced draft fan structure according to claim 1, wherein a gas distribution chamber is arranged at one end of the gas inlet pipe, a nozzle opposite to one end of the venturi tube is arranged on the gas distribution chamber, and the nozzle is opposite to one end of the venturi tube.
3. The low-nitrogen water-cooled burner with the induced draft fan structure according to claim 1, wherein a nozzle opposite to one end of the venturi tube is provided at one end of the air inlet pipe.
4. The low-nitrogen water-cooled burner with the induced draft fan structure as claimed in any one of claims 1 to 3, wherein a premixing cavity communicated with the other end of the venturi tube is arranged in the copper fire grate.
5. The low-nitrogen water-cooled burner with the induced draft fan structure according to any one of claims 1 to 3, wherein the cooling water pipe is a source-saving circulating cooling water pipe.
6. The low-nitrogen water-cooled burner with the induced draft fan structure according to any one of claims 1 to 3, wherein a through hole through which a cooling water pipe can pass is formed in the copper fire grate.
7. The low-nitrogen water-cooled burner with the induced draft fan structure according to claim 2, wherein more than one nozzle is uniformly arranged on the gas distribution chamber, and the nozzles are opposite to one end of the venturi tube.
CN202020703948.4U 2020-04-30 2020-04-30 Low-nitrogen water-cooling combustor with draught fan structure Active CN212273989U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020703948.4U CN212273989U (en) 2020-04-30 2020-04-30 Low-nitrogen water-cooling combustor with draught fan structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020703948.4U CN212273989U (en) 2020-04-30 2020-04-30 Low-nitrogen water-cooling combustor with draught fan structure

Publications (1)

Publication Number Publication Date
CN212273989U true CN212273989U (en) 2021-01-01

Family

ID=73885739

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020703948.4U Active CN212273989U (en) 2020-04-30 2020-04-30 Low-nitrogen water-cooling combustor with draught fan structure

Country Status (1)

Country Link
CN (1) CN212273989U (en)

Similar Documents

Publication Publication Date Title
CN108613182A (en) A kind of double injection low nitrogen burning systems of recuperative heater
CN205137451U (en) Force to draw low NOx gas combustion ware of penetrating flue gas backward flow
CN110285414A (en) Flow back burner in the hypoxemia flue gas of chamber-type heating furnace
CN212273989U (en) Low-nitrogen water-cooling combustor with draught fan structure
CN201339931Y (en) Double-airflow injection fuel gas combustor
CN210485721U (en) Gas low-nitrogen burner for boiler
CN210833054U (en) Air classification type low NOXHigh-speed burner
CN112413590A (en) Flue gas inner loop low NOx burner
CN210462982U (en) Flue gas forced internal circulation boiler
CN209909903U (en) Low-oxygen flue gas internal reflux burner of chamber type heating furnace
CN204901756U (en) Partly mix low NOx burner in advance
CN211345304U (en) Radiant tube low-nitrogen burner with multiple drainage
CN109695875A (en) A kind of more injection tubular type fire pieces
CN202082947U (en) Environment-friendly energy-saving heating furnace device
CN210373415U (en) Gas type low-nitrogen combustion device
CN205425858U (en) Be applied to outer flue gas reflux unit of stove on industrial furnace
CN214307102U (en) Special dense-dilute combustion low-emission natural gas combustor for asphalt stirring equipment
CN208186342U (en) Low NO is recycled in flue gas
CN206556252U (en) A kind of condensed type combustion gas water heater of low NOx combustion
CN110822428A (en) Radiant tube low-nitrogen burner with multiple drainage
CN208349284U (en) A kind of flue gas air mixing device
CN106679184A (en) Smoke-recyclable gas instantaneous water heater
CN209960492U (en) Low-nitrogen combustion air duct and combustor
CN203190603U (en) Positive-pressure ejection type full premixed combustion heat supply device
CN112432169A (en) Double-internal-circulation low-nitrogen combustor

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant