CN108246089A - A kind of denitrating flue gas urea liquid spray gun - Google Patents
A kind of denitrating flue gas urea liquid spray gun Download PDFInfo
- Publication number
- CN108246089A CN108246089A CN201810226924.1A CN201810226924A CN108246089A CN 108246089 A CN108246089 A CN 108246089A CN 201810226924 A CN201810226924 A CN 201810226924A CN 108246089 A CN108246089 A CN 108246089A
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- CN
- China
- Prior art keywords
- urea liquid
- flue gas
- gun body
- nozzle
- compressed air
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2067—Urea
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to fume treatment auxiliary technical field, particularly a kind of denitrating flue gas urea liquid spray gun.The present invention includes gun body (1), disrance sleeve (2), connector (3), compressed air hose (4) and nozzle (5), the periphery of gun body (1) is provided with disrance sleeve (2), gun body (1) and disrance sleeve (2) are fixed through connector (3), compressed air hose (4) is also connect through connector (3) with disrance sleeve (2) and unicom, and the bottom end of gun body (1) is also associated with nozzle (5).The present invention can make urea liquid be not easy to be gasified in gun body, ensure the transfer efficiency and conveying capacity of urea liquid, and the height of nozzle injection urea liquid and direction is controlled to make urea liquid more abundant with smoke reaction, in addition it is simple in structure, it is easy to disassembling, assembling and replacing and maintenance, ensure that the use that urea liquid spray gun can be permanently effective.
Description
Technical field
The present invention relates to fume treatment auxiliary technical field, particularly a kind of denitrating flue gas urea liquid spray gun.
Background technology
Comprising a large amount of nitrogen oxides in the boiler smoke of the producers such as thermal power plant, if air can be caused without emission control
The disasters such as pollution and acid rain.To respond the call of national energy-saving emission reduction, many producers including thermal power plant are all to nitrogen oxidation
The discharge of object has carried out stringent control, and mainly removes the nitrogen oxidation in boiler smoke by denitrating flue gas reaction
Object.Urea liquid spray gun can be used in flue gas denitrification system, urea liquid spray gun can inject urea solution into flue
Or in pyrolysis oven, make urea liquid and smoke contacts and carry out denitration reaction, be purified flue gas.Existing urea liquid spray
Urea liquid in rifle is influenced by high-temperature flue gas, easily gasifies and influence the transfer efficiency and conveying capacity of urea liquid in gun body,
Prevent high-temperature flue gas, from fully being reacted with urea liquid, urea liquid spray gun is under the corrosivity of high temperature and urea liquid in addition
Fragile, maintenance and replacement are inconvenient.
Invention content
The object of the present invention is to provide a kind of denitrating flue gas urea liquid spray guns, and urea liquid is made to be not easy in gun body
Gasified, ensure the transfer efficiency and conveying capacity of urea liquid, and the height of nozzle injection urea liquid and direction is controlled to make urine
Plain solution and smoke reaction are more abundant, simple in structure in addition, are easy to disassembling, assembling and replacing and maintenance, ensure that urea liquid spray gun energy
Enough permanently effective uses.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:
A kind of denitrating flue gas urea liquid spray gun, including gun body, disrance sleeve, connector, compressed air hose and nozzle, institute
The periphery for stating gun body is provided with disrance sleeve, and the gun body and disrance sleeve are fixed through connector, and the compressed air hose also passes through
Connector is connect with disrance sleeve and unicom, and the bottom end of the gun body is also associated with nozzle.
Aforementioned denitrating flue gas urea liquid spray gun, one end of the connector offer threaded hole, the connector
The other end offers tapped through hole A and tapped through hole B, and the tapped through hole A and tapped through hole B are connected with threaded hole;It is described
Gun body, compressed air hose, disrance sleeve are round tube shape structure, and described disrance sleeve one end offers external screw thread, the isolation
Casing offers externally threaded threaded one end and is connected in threaded hole, and the both ends of the compressed air hose offer external screw thread,
The threaded one end of the compressed air hose is connected in tapped through hole A, and the periphery of the gun body offers external screw thread, the gun body
It is threadedly connected in tapped through hole B.
Aforementioned denitrating flue gas urea liquid spray gun, the nozzle periphery offer several spray orifices, the spray orifice isogonism
Degree is evenly distributed on nozzle periphery.
Aforementioned denitrating flue gas urea liquid spray gun, the nozzle periphery offer several spray orifices, the spray orifice isogonism
Degree is evenly distributed in circumference range of the nozzle periphery no more than 180 °.
Aforementioned denitrating flue gas urea liquid spray gun, the nozzle periphery offer several spray orifices, the spray orifice isogonism
Degree is evenly distributed in the circumference range of 120 ° of nozzle periphery.
Aforementioned denitrating flue gas urea liquid spray gun further includes jointing, one end spiral shell of the gun body far from connector
Line is connected with jointing, and threaded one end of the compressed air hose far from connector is connected with jointing.
Aforementioned denitrating flue gas urea liquid spray gun, the jointing are quick coupling.
Aforementioned denitrating flue gas urea liquid spray gun, the gun body, disrance sleeve, connector, compressed air hose, nozzle and
The material of jointing is stainless steel.
Aforementioned denitrating flue gas urea liquid spray gun, the gun body outer diameter are 6mm~32mm, and the gun body length is
130mm~3550mm;The compressed air pipe outside diameter is 6mm~51mm, and the compressed air length of tube is 100mm~500mm;
The disrance sleeve outer diameter is 14mm~60mm, and the disrance sleeve length is 100mm~3000mm;The injection diameter is
1mm~10mm.
Compared with prior art, the invention has the beneficial effects that:
1) a kind of denitrating flue gas urea liquid spray gun makes urea liquid be not easy to be gasified in gun body, ensures urea liquid
Transfer efficiency and conveying capacity, and the height of nozzle injection urea liquid and direction is controlled to make urea liquid and smoke reaction more
Fully, it is simple in structure in addition, it is easy to disassembling, assembling and replacing and maintenance, ensure that the use that urea liquid spray gun can be permanently effective;
2) by setting disrance sleeve, and compressed air hose is connected in disrance sleeve in the periphery of gun body so that high temperature
Flue gas is kept apart under the isolation of disrance sleeve and the gas shock of compressed air with gun body, and high-temperature flue gas is not direct and gun body
Contact so that urea liquid is not easy to be gasified in gun body, so as to ensure that the transfer efficiency of urea liquid and conveying capacity can be with
Denitration reaction is fully carried out with high-temperature flue gas;
3) by the way that the components such as gun body, disrance sleeve, connector, compressed air hose, nozzle and jointing are disposed as
It is threadedly coupled so that the disassembling, assembling and replacing of entire urea liquid spray gun and maintenance are extremely convenient, can be made by replacing individual part
Urea liquid spray gun can continue to use so that the service life of urea liquid spray gun substantially extends, by by gun body,
Disrance sleeve, connector, compressed air hose, nozzle and jointing material selection be stainless steel, make urea liquid spray gun
More firm and durable preferably, selecting 304 stainless steels, enhances the resistant to urea solution corrosion of urea liquid spray gun;
4) due to, to be threadedly coupled, the height of nozzle being can adjust by rotating gun body between gun body and connector, from
And the urea liquid for spraying nozzle is located at high-temperature flue gas compact district, circumferential equally distributed spray orifice can uniformly spray in the circumferential
Spill urea liquid so that urea liquid and high-temperature flue gas fully carry out denitration reaction, when spray orifice is angularly evenly distributed on less
When in 180 ° of circumference range, height and the direction of nozzle are adjusted, makes the spray orifice of nozzle backwards to the inflow direction of high-temperature flue gas,
The spray orifice of nozzle is made to be not easy to be blocked by the dust impurity in high-temperature flue gas, and the urea liquid that nozzle sprays is caused to be located at high temperature
Flue gas compact district, and it is identical with flowing to for high-temperature flue gas so that urea liquid and high-temperature flue gas fully carry out denitration reaction, and spray
It is preferable that hole is angularly evenly distributed on the effect of anti-clogging and sprinkling urea liquid when in the range of 120 ° of nozzle periphery;
5) by setting jointing respectively in gun body and compressed air hose so that soft between gun body and urea liquid
Pipe connection is more convenient and reliable, and the hose connection between compressed air hose and compressed air is more convenient reliable,
And using quick coupling, the dismounting between gun body and compressed air hose and corresponding hose can be made more convenient;
6) when gun body outer diameter is 6mm~32mm, gun body length is 130mm~3550mm;Compressed air pipe outside diameter for 6mm~
51mm, compressed air length of tube are 100mm~500mm;Disrance sleeve outer diameter is 14mm~60mm, and disrance sleeve length is
100mm~3000mm;When injection diameter is 1mm~10mm, the overall performance of urea spray gun is preferable.
Description of the drawings
Fig. 1 is the structure diagram of the present invention;
Fig. 2 is the structure sectional view of connector.
The meaning of reference numeral:1- gun bodies, 2- disrance sleeves, 3- connectors, 4- compressed air hoses, 5- nozzles, 6- screw threads
Hole, 7- tapped through holes A, 8- tapped through hole B, 9- spray orifice, 10- jointings.
The present invention is further illustrated with reference to the accompanying drawings and detailed description.
Specific embodiment
The embodiment of the present invention 1:A kind of denitrating flue gas urea liquid spray gun, as depicted in figs. 1 and 2, including gun body 1, every
From casing 2, connector 3, compressed air hose 4 and nozzle 5, the periphery of the gun body 1 is provided with disrance sleeve 2,1 He of gun body
Disrance sleeve 2 is fixed through connector 3, and the compressed air hose 4 is also connect through connector 3 with disrance sleeve 2 and unicom, the rifle
The bottom end of body 1 is also associated with nozzle 5.
5 periphery of nozzle offers several spray orifices 9, and the spray orifice 9 is angularly evenly distributed on 5 periphery of nozzle, spray
The urea liquid that hole 9 sprays can uniformly spray in circumferential range, anti-so as to be come into full contact with high-temperature flue gas and carry out denitration
It should.
The denitrating flue gas urea liquid spray gun further includes jointing 10, and the one end of the gun body 1 far from connector 3 connects
Jointing 10 is connected to, the described one end of compressed air hose 4 far from connector 3 is connected with jointing 10,10 energy of jointing
Enough hoses respectively with transport urea solution and conveying compressed air are attached, preferably, the jointing 10 is selected soon
Quick coupling, so as to facilitate transport urea solution and convey compressed air hose can in quick coupling fast insert-pull.
In order to make urea liquid spray gun firm and durable, the gun body 1, disrance sleeve 2, connector 3, compressed air hose 4, spray
The material of mouth 5 and jointing 10 is stainless steel, preferably, 304 stainless steels are selected, to enhance the entirety of urea liquid spray gun
Resistant to urea solution corrosion.
In order to make the performance of urea liquid spray gun more preferably more stable, 1 outer diameter of gun body be 6mm~32mm, the gun body 1
Length is 130mm~3550mm;4 outer diameter of compressed air hose is 6mm~51mm, and 4 length of compressed air hose is 100mm
~500mm;2 outer diameter of disrance sleeve is 14mm~60mm, and 2 length of disrance sleeve is 100mm~3000mm;The spray
9 a diameter of 1mm~10mm of hole.
Embodiment 2:A kind of denitrating flue gas urea liquid spray gun, as depicted in figs. 1 and 2, including gun body 1, disrance sleeve 2,
Connector 3, compressed air hose 4 and nozzle 5, one end of the connector 3 offer threaded hole 6, the other end of the connector 3
Tapped through hole A7 and tapped through hole B8 are offered, the tapped through hole A7 and tapped through hole B8 are connected with threaded hole 6;The rifle
Body 1, compressed air hose 4, disrance sleeve 2 are round tube shape structure, and described 2 one end of disrance sleeve offers external screw thread, it is described every
Externally threaded threaded one end is offered from casing 2 to be connected in threaded hole 6, the both ends of the compressed air hose 4 offer outside
Screw thread, the threaded one end of the compressed air hose 4 are connected in tapped through hole A7, and the periphery of the gun body 1 offers external screw thread,
The gun body 1 is threadedly connected in tapped through hole B8.
5 periphery of nozzle offers several spray orifices 9, and it is little that the spray orifice 9 is angularly evenly distributed on 5 periphery of nozzle
In in 180 ° of circumference range, by rotating gun body 1, the height of nozzle 5 is made to be located at the compact district of high-temperature flue gas, makes nozzle 5
Spray orifice 9 makes the spray orifice 9 of nozzle 5 be not easy to be blocked by the dust impurity in high-temperature flue gas backwards to the inflow direction of high-temperature flue gas so that
Flowing to for urea liquid and high-temperature flue gas is identical, so as to and high-temperature flue gas come into full contact with and carry out denitration reaction.And 9 isogonism of spray orifice
Degree is evenly distributed on that the effect of anti-clogging and sprinkling urea liquid when in the range of 120 ° of 5 periphery of nozzle is preferable, at this time spray orifice 9
Number can select between 1~5.
The denitrating flue gas urea liquid spray gun further includes jointing 10, one end spiral shell of the gun body 1 far from connector 3
Line is connected with jointing 10, and the threaded one end of the compressed air hose 4 far from connector 3 is connected with jointing 10, connection
Connector 10 can respectively with transport urea solution and convey compressed air hose be attached, and solid and reliable, preferably,
The jointing 10 selects quick coupling, so as to facilitate transport urea solution and the hose of conveying compressed air can be quick
Fast insert-pull on connector, it is convenient and efficient.
In order to make urea liquid spray gun firm and durable, the gun body 1, disrance sleeve 2, connector 3, compressed air hose 4, spray
The material of mouth 5 and jointing 10 is stainless steel, preferably, 304 stainless steels are selected, to enhance the entirety of urea liquid spray gun
Resistant to urea solution corrosion.
In order to make the performance of urea liquid spray gun more preferably more stable, 1 outer diameter of gun body be 6mm~32mm, the gun body 1
Length is 130mm~3550mm;4 outer diameter of compressed air hose is 6mm~51mm, and 4 length of compressed air hose is 100mm
~500mm;2 outer diameter of disrance sleeve is 14mm~60mm, and 2 length of disrance sleeve is 100mm~3000mm;The spray
9 a diameter of 1mm~10mm of hole.
Operation principle:The present invention is by the way that connector 3 is connected gun body 1, disrance sleeve 2 and compressed-air atomizer 5 simultaneously
Fixed, mating connection connector 10 and nozzle 5 are combined into a kind of denitrating flue gas urea liquid spray gun, make urea liquid in gun body 1
It is not easy to be gasified, ensures the transfer efficiency and conveying capacity of urea liquid, and control height and the direction of the injection urea liquid of nozzle 5
Make urea liquid more abundant with smoke reaction, it is simple in structure in addition, it is easy to disassembling, assembling and replacing and maintenance, ensure that urea liquid sprays
Rifle can be permanently effective use.When hose of the urea liquid through being connect with jointing 10 enters in gun body 1, due to gun body
1 periphery is provided with disrance sleeve 2, and the connection compressed air hose 4 in disrance sleeve 2 so that high-temperature flue gas is in disrance sleeve 2
Isolation and compressed air gas shock under keep apart with gun body 1, high-temperature flue gas is not direct to be contacted with gun body 1 so that urine
Plain solution is not easy to be gasified in gun body 1, so as to ensure that the transfer efficiency of urea liquid and conveying capacity can with high-temperature flue gas
Fully carry out denitration reaction.By by gun body 1, disrance sleeve 2, connector 3, compressed air hose 4, nozzle 5 and jointing 10
Components is waited to be disposed as being threadedly coupled so that the disassembling, assembling and replacing of entire urea liquid spray gun and maintenance are extremely convenient, can pass through
Replacing individual part causes urea liquid spray gun to can continue to use, so that the service life of urea liquid spray gun is substantially prolonged
It is long, by being 304 by the material selection of gun body 1, disrance sleeve 2, connector 3, compressed air hose 4, nozzle 5 and jointing 10
Stainless steel makes urea liquid spray gun more firm and durable, and enhances the resistant to urea solution corrosion of urea liquid spray gun.And by
To be threadedly coupled between gun body 1 and connector 3, the height of nozzle 5 is can adjust by rotating gun body 1, so as to make nozzle 5
The urea liquid of ejection is located at high-temperature flue gas compact district, and circumferential equally distributed spray orifice 9 can uniformly spray urea in the circumferential
Solution so that urea liquid and high-temperature flue gas fully carry out denitration reaction.When spray orifice 9 is angularly evenly distributed on no more than 180 °
Circumference range in when, adjust height and the direction of nozzle 5, the spray orifice 9 of nozzle 5 made to make backwards to the inflow direction of high-temperature flue gas
The spray orifice 9 of nozzle 5 is not easy to be blocked by the dust impurity in high-temperature flue gas, and the urea liquid that nozzle 5 sprays is caused to be located at height
Warm flue gas compact district, and it is identical with flowing to for high-temperature flue gas so that urea liquid and high-temperature flue gas fully carry out denitration reaction, and
It is preferable that spray orifice 9 is angularly evenly distributed on the effect of anti-clogging and sprinkling urea liquid when in the range of 120 ° of 5 periphery of nozzle.
Claims (9)
1. a kind of denitrating flue gas urea liquid spray gun, which is characterized in that including gun body (1), disrance sleeve (2), connector (3),
Compressed air hose (4) and nozzle (5), the periphery of the gun body (1) are provided with disrance sleeve (2), the gun body (1) and separation sleeve
It manages (2) to fix through connector (3), the compressed air hose (4) also connect with disrance sleeve (2) through connector (3) and unicom, institute
The bottom end for stating gun body (1) is also associated with nozzle (5).
2. denitrating flue gas urea liquid spray gun according to claim 1, which is characterized in that one end of the connector (3)
Threaded hole (6) is offered, the other end of the connector (3) offers tapped through hole A (7) and tapped through hole B (8), the spiral shell
Line through-hole A (7) and tapped through hole B (8) are connected with threaded hole (6);The gun body (1), compressed air hose (4), disrance sleeve
(2) it is round tube shape structure, described disrance sleeve (2) one end offers external screw thread, and the disrance sleeve (2) offers external screw thread
Threaded one end be connected in threaded hole (6), the both ends of the compressed air hose (4) offer external screw thread, and the compression is empty
The threaded one end of tracheae (4) is connected in tapped through hole A (7), and the periphery of the gun body (1) offers external screw thread, the gun body
(1) it is threadedly connected in tapped through hole B (8).
3. denitrating flue gas urea liquid spray gun according to claim 1 or 2, which is characterized in that open nozzle (5) periphery
Equipped with several spray orifices (9), the spray orifice (9) is angularly evenly distributed on nozzle (5) periphery.
4. denitrating flue gas urea liquid spray gun according to claim 3, which is characterized in that nozzle (5) periphery opens up
There are several spray orifices (9), the spray orifice (9) is angularly evenly distributed in circumference range of nozzle (5) periphery no more than 180 °.
5. denitrating flue gas urea liquid spray gun according to claim 4, which is characterized in that nozzle (5) periphery opens up
There are several spray orifices (9), the spray orifice (9) is angularly evenly distributed in the circumference range of nozzle (5) 120 ° of periphery.
6. denitrating flue gas urea liquid spray gun according to claim 3, which is characterized in that jointing (10) is further included,
Threaded one end of the gun body (1) far from connector (3) is connected with jointing (10), and the compressed air hose (4) is far from even
The threaded one end of fitting (3) is connected with jointing (10).
7. denitrating flue gas urea liquid spray gun according to claim 6, which is characterized in that the jointing (10) is fast
Quick coupling.
8. denitrating flue gas urea liquid spray gun according to claim 6, which is characterized in that the gun body (1), disrance sleeve
(2), the material of connector (3), compressed air hose (4), nozzle (5) and jointing (10) is stainless steel.
9. denitrating flue gas urea liquid spray gun according to claim 4, which is characterized in that gun body (1) outer diameter is 6mm
~32mm, gun body (1) length are 130mm~3550mm;Compressed air hose (4) outer diameter be 6mm~51mm, the pressure
Contracting air hose (4) length is 100mm~500mm;Disrance sleeve (2) outer diameter be 14mm~60mm, the disrance sleeve (2)
Length is 100mm~3000mm;A diameter of 1mm~the 10mm of the spray orifice (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810226924.1A CN108246089A (en) | 2018-03-14 | 2018-03-14 | A kind of denitrating flue gas urea liquid spray gun |
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CN201810226924.1A CN108246089A (en) | 2018-03-14 | 2018-03-14 | A kind of denitrating flue gas urea liquid spray gun |
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CN2050351U (en) * | 1989-07-21 | 1990-01-03 | 王礼鸿 | Atomizing blow head for lowing dust |
CN2095201U (en) * | 1991-06-29 | 1992-02-05 | 中国科学院化工冶金研究所 | Premixing type coal oxygen mine fusion agent spray gun |
US20080092526A1 (en) * | 2004-08-06 | 2008-04-24 | Christian Kunkel | Arrangement For Supplying A Medium Into An Exhaust Gas Conduit In An Internal Combustion Engine |
CN203044243U (en) * | 2012-12-17 | 2013-07-10 | 浙江天地环保工程有限公司 | Smoke denitration ammonia spraying device |
CN203315998U (en) * | 2013-05-30 | 2013-12-04 | 上海守望者喷雾智能***有限公司 | Flue gas denitration device and denitration spray gun |
CN103990367A (en) * | 2014-05-23 | 2014-08-20 | 浙江莱梦德电力设备有限公司 | Improved-type desulfurization and denitrification spray gun |
CN204051975U (en) * | 2014-08-29 | 2014-12-31 | 张家港市锦明环保工程装备有限公司 | A kind of denitration spray gun |
CN204656771U (en) * | 2015-04-02 | 2015-09-23 | 河北诚誉喷雾技术有限公司 | A kind of SNCR denitrification spray gun |
CN208066116U (en) * | 2018-03-14 | 2018-11-09 | 中国华电科工集团有限公司 | A kind of denitrating flue gas urea liquid spray gun |
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2018
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Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2050351U (en) * | 1989-07-21 | 1990-01-03 | 王礼鸿 | Atomizing blow head for lowing dust |
CN2095201U (en) * | 1991-06-29 | 1992-02-05 | 中国科学院化工冶金研究所 | Premixing type coal oxygen mine fusion agent spray gun |
US20080092526A1 (en) * | 2004-08-06 | 2008-04-24 | Christian Kunkel | Arrangement For Supplying A Medium Into An Exhaust Gas Conduit In An Internal Combustion Engine |
CN203044243U (en) * | 2012-12-17 | 2013-07-10 | 浙江天地环保工程有限公司 | Smoke denitration ammonia spraying device |
CN203315998U (en) * | 2013-05-30 | 2013-12-04 | 上海守望者喷雾智能***有限公司 | Flue gas denitration device and denitration spray gun |
CN103990367A (en) * | 2014-05-23 | 2014-08-20 | 浙江莱梦德电力设备有限公司 | Improved-type desulfurization and denitrification spray gun |
CN204051975U (en) * | 2014-08-29 | 2014-12-31 | 张家港市锦明环保工程装备有限公司 | A kind of denitration spray gun |
CN204656771U (en) * | 2015-04-02 | 2015-09-23 | 河北诚誉喷雾技术有限公司 | A kind of SNCR denitrification spray gun |
CN208066116U (en) * | 2018-03-14 | 2018-11-09 | 中国华电科工集团有限公司 | A kind of denitrating flue gas urea liquid spray gun |
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