CN103506233B - A kind of two-fluid injection apparatus of double atomization - Google Patents

A kind of two-fluid injection apparatus of double atomization Download PDF

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Publication number
CN103506233B
CN103506233B CN201310418834.XA CN201310418834A CN103506233B CN 103506233 B CN103506233 B CN 103506233B CN 201310418834 A CN201310418834 A CN 201310418834A CN 103506233 B CN103506233 B CN 103506233B
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CN
China
Prior art keywords
spray gun
atomization
nozzle
reactant
airduct
Prior art date
Application number
CN201310418834.XA
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Chinese (zh)
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CN103506233A (en
Inventor
朱廷钰
叶猛
刘�文
齐枫
李欢
Original Assignee
中国科学院过程工程研究所
河北环科力创环境工程有限公司
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Priority to CN201310418834.XA priority Critical patent/CN103506233B/en
Priority claimed from PCT/CN2013/087511 external-priority patent/WO2015035709A1/en
Publication of CN103506233A publication Critical patent/CN103506233A/en
Application granted granted Critical
Publication of CN103506233B publication Critical patent/CN103506233B/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02Spray pistols; Apparatus for discharge
    • B05B7/04Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0491Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid the liquid and the gas being mixed at least twice along the flow path of the liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/54Nitrogen compounds
    • B01D53/56Nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/79Injecting reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/80Semi-solid phase processes, i.e. by using slurries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02Spray pistols; Apparatus for discharge
    • B05B7/04Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0441Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02Spray pistols; Apparatus for discharge
    • B05B7/08Spray 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

Abstract

The present invention relates to a kind of double atomization two-fluid injection apparatus for circulating fluid bed semi-drying method desulfurization and Boiler pipe on-catalytic (SNCR) denitrating system, this injection apparatus is made up of spray gun and nozzle, and wherein spray gun is atomized airduct, cooling duct (for not having this device during desulfurization), mounting flange etc. is formed by reactant pipe, one-level atomization airduct, secondary.This injection apparatus has four imports: an inlet, an one-level atomization wind inlet, and a secondary atomization wind inlet, a cooling air import (for not having this device during desulfurization), atomization wind is generally compressed air.The advantages such as described injection apparatus is through two stages of compression air atomizing, and atomizing particle is trickleer, and add the contact area of reactant and flue gas, improve reaction efficiency, the present invention has rational in infrastructure, and atomizing effect is good.

Description

A kind of two-fluid injection apparatus of double atomization
Technical field
The present invention relates to a kind of filed of flue gas purification, be specifically related to a kind of injection apparatus for circulating fluid bed semi-drying method desulfurization and SNCR (SNCR) denitration.
Background technology
Nitrogen oxide and sulfur dioxide are the key pollutants causing the compound atmosphere pollution of China." 12 " planning outline proposes, total sulfur dioxide will reach the target of minimizing 8%, list nitrogen oxide in the binding indicator system first simultaneously, require minimizing 10%, visible nitrogen oxide and sulfur dioxide have become the emphasis of the current air contaminant treatment of China.
Circulating fluid bed semi-drying method desulfur technology and Boiler pipe non-catalytic reduction SNCR denitration technology are one of desulphurization and denitration technology of main employing at present.The nucleus equipment of two kinds of desulphurization and denitration technology is exactly injection apparatus, and injection apparatus performance directly affects removal efficiency and operating cost.Injection apparatus atomizing effect is good, greatly can improve the contact effect of reactant and flue gas, improves reaction efficiency.Improve injection apparatus structure, optimize atomised form, can under the prerequisite ensureing reaction efficiency, reduce reactant and compressed-air actuated consumption, be the research direction of technical staff always.
Chinese patent CN102160964A reports a kind of SNCR denitration multiinjector spear injector, this injector often props up has two nozzles at least, and be water-cooling type spray gun, input interface responds agent import, atomization compressed air inlet, cooling water inlet and coolant outlet, the flow that the type spray gun list props up spray gun is larger.Chinese patent CN102527217A reports a kind of SNCR wall-injector, comprises rifle body assembly and nozzle assembly, and rifle body assembly comprises conduit assembly and nozzle assembly, and nozzle assembly comprises the blending device of nozzle and nozzle connection.This spray gun adopts air cooling.Chinese patent CN201807462U reports a kind of Self inhaling Double flow high efficiency atomizer, be characterized in adopting compressed air to be atomized liquid, reflection vertebra is pyramid type, have and reduce power consumption, reduce fogdrop diameter, improve the uniformity of mist droplet particle size and the advantage of atomization covering radius, be adapted to desulfurization atomization application.
Above three kinds of spray guns, the first denitration spray gun due to total discharge rate of reactant general less, Multi-nozzle spray gun in actual use flow too greatly, not easily install and change, the shortcoming such as the easy fouling corrosion of mode of water-cooled.The air-cooled spray gun of the second denitration, atomised form is single, and atomizing effect is poor, and compressed air consumption is large.The third desulfuring spray gun is general atomization structure, and fogdrop diameter is bigger than normal, and gun traffic regulates than little.These three kinds of desulphurization denitration injection apparatus atomizing effects all have much room for improvement.
Summary of the invention
The technology of the present invention solution: overcome the deficiencies in the prior art, a kind of two-fluid injection apparatus of double atomization is provided, adopt compressed air double atomization form, one-level atomization wind tentatively mixes first atomization with reactant, secondary atomization wind carries out secondary-atomizing to reactant, that improves reactant and flue gas contacts effect, improves reaction efficiency, reduces operating cost.
The technology of the present invention solution: a kind of two-fluid injection apparatus of double atomization, for reactant atomization ejection, comprising: spray gun and nozzle 5;
Described spray gun comprises spray gun reactant pipe 1, spray gun one-level atomization airduct 2, spray gun secondary atomization airduct 3 and mounting flange 11; Spray gun reactant pipe 1 is positioned at innermost layer, be followed successively by spray gun one-level atomization airduct 2 and spray gun secondary atomization airduct 3 from the inside to the outside respectively, spray gun reactant pipe 1 is the passage of spray gun reactant, arrange spray gun inlet 7 before spray gun reactant pipe 1, spray gun reactant enters spray gun reactant pipe 1 from spray gun inlet 7; Spray gun one-level atomization airduct 2 and spray gun secondary atomization airduct 3 are that compressed-air actuated passage is used in atomization, spray gun one-level atomization airduct 2 has spray gun one-level atomization wind inlet 8, spray gun secondary atomization airduct has spray gun secondary atomization wind inlet 9, compressed air enters spray gun one-level atomization airduct 2 and spray gun secondary atomization airduct 3 from spray gun one-level atomization wind inlet 8 and secondary atomization wind inlet 9 respectively, and is delivered to nozzle 5; Mounting flange 11 is fixed on outside spray gun secondary atomization airduct 3, for supporting fixing spray gun;
Described nozzle 5 comprises nozzle reactant import 12, nozzle one-level atomization wind inlet 13 and nozzle secondary atomization wind inlet 14 and nozzle atomization outlet 16;
Atomization compressed air enters spray gun one-level atomization airduct 2 and spray gun secondary atomization airduct 3 from spray gun one-level atomization wind inlet 8 and spray gun secondary atomization wind inlet 9 respectively, be delivered to one-level atomization wind inlet 13 and the secondary atomization wind inlet 14 of nozzle 5 again, after atomization wind pressure reaches setup pressure value, spray gun reactant enters spray gun reactant pipe 1 from spray gun inlet 7 and is then delivered to nozzle reactant import 12, nozzle one-level atomization wind and the preliminary mixed aerosol of nozzle reactant in nozzle, form air-water mixture, then nozzle secondary atomization wind is fully atomized air-water mixture, nozzle reactant is through double atomization, 16 ejections are exported by nozzle atomization, forming diameter is 20 ~ 70 μm of fine particles.
When described two-fluid injection apparatus is used for Denitration in Boiler, increase cooling duct 4 and protection 6 spray gun secondary atomization airduct 3 is outer; Cooling duct 4 is passages of cooling air, has cooling air import 10; Mounting flange 11 fixes cooling duct 4, seals, and prevents the cooling air in cooling duct 4 from leaking gas, and supports fixing spray gun simultaneously; Protection 6 is positioned at outside nozzle 5; protection 6 punching above, protect nozzle 5 not by extraneous wearing and tearing, cooling air enters outermost layer cooling duct 4 through nozzle cooling air outlet 15 simultaneously; aperture above protection 6 is discharged, thus carries out cooling down to nozzle 5 and spray gun.
The mist field that described nozzle 5 sprays is solid cone shaped mist field.
The hydraulic pressure of described spray gun need of work is 0.2 ~ 0.5Mpa, and air pressure is 0.25 ~ 0.5Mpa.
The present invention's advantage is compared with prior art:
(1) atomizing effect is good: the atomizing type that one-level atomization and secondary atomization combine, and one-level atomization is first atomization, forms air-water mixture, and secondary atomization is fully atomization, and the atomizing particle that this atomised form obtains reduces to 20 ~ 70 μm.
(2) removal efficiency is high: this injection apparatus makes removal efficiency greatly improve, and reactant atomizing effect is good, adds the contact area with flue gas, and improve reactivity, desulfurization degree reaches as high as 98%, and denitration rate is up to 95%.
(3) operating cost is low: removal efficiency is high is not increase cost (discharge rate of reactant) to realize, and the escaping of ammonia is lower than 10ppm.
(4) install simply: only need the position perforate of spraying at boiler or needs, little to former process operation interference.
(5) safeguard procedures: cooling duct is protective casing simultaneously, prevents spray tip fouling, wearing and tearing, can change separately, reduce spray gun and damage, need change the spending of spray gun, not have cooling duct during desulfurization.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is nozzle arrangements figure of the present invention.
1-spray gun reactant pipe, 2-spray gun one-level atomization airduct, 3-spray gun secondary atomization airduct, 4-cooling duct, 5-nozzle, 6-protection, 7-spray gun inlet, 8-spray gun one-level atomization wind inlet, 9-spray gun secondary atomization wind inlet, 10-cooling air import, 11-mounting flange, 12-nozzle reactant import 13-nozzle one-level atomization air port 14-nozzle secondary atomization air port, 15-nozzle cooling air outlet, 16-nozzle atomization outlet a-reactant b-one-level atomization wind c-secondary atomization wind d-cooling air
Detailed description of the invention
Embodiment 1
As shown in Figure 1, 2, comprise when the two-fluid injection apparatus of a kind of double atomization of the present invention is used for desulfurization: spray gun and nozzle 5; Spray gun comprises spray gun reactant pipe 1, spray gun one-level atomization airduct 2, spray gun secondary atomization airduct 3 and mounting flange 11; Spray gun reactant pipe 1 is positioned at innermost layer, be followed successively by spray gun one-level atomization airduct 2 and spray gun secondary atomization airduct 3 from the inside to the outside, reactant pipe 1 is the passage of spray gun reactant a, arranges spray gun inlet 7 before spray gun reactant pipe 1, and reactant a enters spray gun reactant pipe 1 from spray gun inlet 7; Spray gun one-level atomization airduct 2 and spray gun secondary atomization airduct 3 are that compressed-air actuated passage is used in atomization, spray gun one-level atomization airduct 2 has spray gun one-level atomization wind inlet 8, spray gun secondary atomization airduct has spray gun secondary atomization wind inlet 9, compressed air enters spray gun one-level atomization airduct 2 and spray gun secondary atomization airduct 3 from spray gun one-level atomization wind inlet 8 and secondary atomization wind inlet 9 respectively, and is delivered to nozzle 5; Mounting flange 11 is fixed on outside spray gun secondary atomization airduct 3, for supporting fixing spray gun; Described nozzle 5 comprises nozzle reactant import 12, nozzle one-level atomization wind inlet 13 and nozzle secondary atomization wind inlet 14 and nozzle atomization outlet 16;
Injection apparatus use procedure, atomization wind compressed air enters one-level atomization airduct 2 and secondary atomization airduct 3 from spray gun force one wind import 8 and spray gun light breeze import 9 respectively, be delivered to nozzle one-level atomization wind inlet 13 and nozzle secondary atomization wind inlet 14 again, after atomization wind pressure reaches setup pressure value, reactant a enters spray gun, reactant a enters spray gun reactant pipe 1 from spray gun inlet 7 and is then delivered to nozzle reactant import 12, under the special construction effect of nozzle, one-level atomization wind b and the preliminary mixed aerosol of reactant a, form air-water mixture, then secondary atomization wind c is fully atomized this air-water mixture, reactant a is through double atomization, spray through Nozzle 16, forming diameter is 20 ~ 70 μm of fine particles.
Injection apparatus de-activation procedure is the inverse process of use procedure, first stops the supply of reactant a, then stops the supply of one-level atomization wind b and secondary atomization wind c.
Embodiment 2
As shown in Figure 1, 2, comprise when the two-fluid injection apparatus of a kind of double atomization of the present invention is used for SNCR denitration: spray gun and nozzle 5; Spray gun comprises spray gun reactant pipe 1, spray gun one-level atomization airduct 2, the atomization of spray gun secondary airduct 3, cooling duct 4, mounting flange 11; Spray gun reactant pipe 1 is positioned at innermost layer, be followed successively by spray gun one-level atomization airduct 2 and spray gun secondary atomization airduct 3 and cooling duct 4 from the inside to the outside, reactant pipe 1 is the passage of spray gun reactant a, arrange spray gun inlet 7 before spray gun reactant pipe 1, reactant a enters spray gun reactant pipe 1 from spray gun inlet 7; Spray gun one-level atomization airduct 2 and spray gun secondary atomization airduct 3 are that compressed-air actuated passage is used in atomization, spray gun one-level atomization airduct 2 has spray gun one-level atomization wind inlet 8, spray gun secondary atomization airduct has spray gun secondary atomization wind inlet 9, compressed air enters spray gun one-level atomization airduct 2 and spray gun secondary atomization airduct 3 from spray gun one-level atomization wind inlet 8 and secondary atomization wind inlet 9 respectively, and is delivered to nozzle 5; Cooling duct 4 is passages of cooling air d, has cooling air import 10; Mounting flange 11 fixes cooling duct 4, prevents the cooling air d in cooling duct 4 from leaking gas for sealing, and supports fixing spray gun simultaneously; Protection 6 is positioned at outside nozzle 5; protection 6 punching above, protect nozzle 5 not by extraneous wearing and tearing, cooling air d enters outermost layer cooling duct 4 through nozzle cooling air outlet 15 simultaneously; aperture above protection 6 is discharged, thus carries out cooling down to nozzle 5 and spray gun.
Injection apparatus use procedure, atomization wind compressed air enters one-level atomization airduct 2 and secondary atomization airduct 3 from spray gun one-level atomization wind inlet 8 and spray gun secondary atomization wind inlet 9 respectively, be delivered to nozzle one-level atomization wind inlet 13 and nozzle secondary atomization wind inlet 14 again, after atomization wind pressure reaches setup pressure value, reactant a enters spray gun, reactant a enters spray gun reactant pipe 1 from spray gun inlet 7 and is then delivered to nozzle reactant import 12, under the special construction effect of nozzle, one-level atomization wind b and the preliminary mixed aerosol of reactant a, form air-water mixture, then secondary atomization wind c is fully atomized this air-water mixture, reactant is through double atomization, through nozzle atomization outlet 16 ejection, forming diameter is 20 ~ 70 μm of fine particles.
Injection apparatus de-activation procedure is the inverse process of use procedure, first stops the supply of reactant a, then stops the supply of one-level atomization wind b and secondary atomization wind c.And in order to prevent nozzle, the calcination of spray gun blocking and high temperature when stopping using, when stopping using, cooling air d enters cooling duct 4 by cooling air import 10, is then delivered to protection 6, is discharged by the aperture opened above.
Non-elaborated part of the present invention belongs to techniques well known.
The above; be only part detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, any those skilled in the art are in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.

Claims (4)

1. a two-fluid injection apparatus for double atomization, for reactant atomization ejection, is characterized in that comprising: spray gun and nozzle (5);
Described spray gun comprises spray gun reactant pipe (1), spray gun one-level atomization airduct (2), spray gun secondary atomization airduct (3) and mounting flange (11); Spray gun reactant pipe (1) is positioned at innermost layer, is followed successively by respectively from the inside to the outside; Spray gun reactant pipe (1), spray gun one-level atomization airduct (2) and spray gun secondary atomization airduct (3); Spray gun reactant pipe (1) is the passage of spray gun reactant, frontly arranges spray gun inlet (7), and spray gun reactant enters spray gun reactant pipe (1) from spray gun inlet (7); Spray gun one-level atomization airduct (2) and spray gun secondary atomization airduct (3) are that compressed-air actuated passage is used in atomization, spray gun one-level atomization airduct (2) has spray gun one-level atomization wind inlet (8), spray gun secondary atomization airduct (3) has spray gun secondary atomization wind inlet (9), compressed air enters spray gun one-level atomization airduct (2) and spray gun secondary atomization airduct (3) from spray gun one-level atomization wind inlet (8) and secondary atomization wind inlet (9) respectively, and is delivered to nozzle (5); Mounting flange (11) is fixed on spray gun secondary atomization airduct (3) outward, and for supporting fixing spray gun, atomization wind is generally compressed air;
Described nozzle (5) comprises nozzle reactant import (12), nozzle one-level atomization wind inlet (13) and nozzle secondary atomization wind inlet (14) and nozzle atomization outlet (16);
Atomization wind compressed air enters spray gun one-level atomization airduct (2) and spray gun secondary atomization airduct (3) from spray gun one-level atomization wind inlet (8) and spray gun secondary atomization wind inlet (9) respectively, be delivered to one-level atomization wind inlet (13) and secondary atomization wind inlet (14) of nozzle (5) again, spray gun reactant enters spray gun reactant pipe (1) from spray gun inlet (7) and is then delivered to nozzle reactant import (12), one-level atomization wind and the preliminary mixed aerosol of reactant in nozzle, form air-water mixture, then nozzle secondary atomization wind is fully atomized this air-water mixture, reactant is through double atomization, export (16) by nozzle atomization to spray, forming diameter is 20 ~ 70 μm of fine particles.
2. the two-fluid injection apparatus of double atomization according to claim 1, it is characterized in that: when described two-fluid injection apparatus is used for Boiler pipe non-catalytic reduction (SNCR) denitration, increase cooling duct (4) and protection head (6) outward at spray gun secondary atomization airduct (3); Cooling duct (4) is the passage of cooling air, has cooling air import (10); Mounting flange (11) fixes cooling duct (4), seals, and prevents the cooling air in cooling duct (4) from leaking gas, and supports fixing spray gun simultaneously; Protection head (6) is positioned at nozzle (5) outward; protection head (6) is punching above; protect nozzle (5) not by extraneous wearing and tearing simultaneously; cooling air enters outermost layer cooling duct (4) through cooling air import (10); aperture above protection head (6) is discharged, thus carries out cooling down to nozzle (5) and spray gun.
3. according to the two-fluid injection apparatus of the double atomization described in claim 1, it is characterized in that: the mist field that described nozzle (5) sprays is solid cone shaped mist field.
4. according to the two-fluid injection apparatus of the double atomization described in claim 1, it is characterized in that: the hydraulic pressure of described spray gun need of work is 0.2 ~ 0.5Mpa, and air pressure is 0.25 ~ 0.5Mpa.
CN201310418834.XA 2013-09-15 2013-09-15 A kind of two-fluid injection apparatus of double atomization CN103506233B (en)

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CN201310418834.XA CN103506233B (en) 2013-09-15 2013-09-15 A kind of two-fluid injection apparatus of double atomization
PCT/CN2013/087511 WO2015035709A1 (en) 2013-09-15 2013-11-20 Two-stage atomizing double fluid spraying device

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CN103506233B true CN103506233B (en) 2016-01-20

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CN103100397B (en) * 2011-11-09 2015-06-17 中国石油化工股份有限公司 Preparation method of hydrotreating catalyst
CN104001634B (en) * 2014-05-23 2016-06-22 姜建勇 Spray gun for desulphurization denitration
CN104085934B (en) * 2014-07-15 2015-09-09 重庆大学 A kind of method of heat-engine plant desulfurized waste water high-efficiency spray evaporation nucleation
CN105127024A (en) * 2015-09-10 2015-12-09 何宗霖 Raw oil gun with spray form adjustable
CN109264753A (en) * 2017-07-18 2019-01-25 神华集团有限责任公司 Raw slurry spraying gun, alumina rotary kiln and the method for spraying raw slurry
CN110822444A (en) * 2019-11-01 2020-02-21 通玉实业发展(上海)有限公司 Application of white mud in waste incineration treatment and waste incineration treatment method
CN111744692A (en) * 2020-06-16 2020-10-09 山东同智创新能源科技股份有限公司 Explosion-proof atomizing spray gun capable of being applied to environment-friendly treatment of coal-to-ethylene glycol waste liquid

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EP0924460A1 (en) * 1997-12-22 1999-06-23 Abb Research Ltd. Two-stage pressurised atomising nozzle
CN102160964A (en) * 2011-02-18 2011-08-24 中国航天科技集团公司第六研究院第十一研究所 Selective non-catalytic reduction (SNCR) denitration multi-nozzle long-gun injector
CN103045306A (en) * 2012-12-26 2013-04-17 中国东方电气集团有限公司 Coal water slurry bubble atomizing nozzle
CN202921159U (en) * 2012-09-10 2013-05-08 杨建华 Double-atomization spray gun for SNCR (selective non-catalytic reduction) denitration system

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Publication number Priority date Publication date Assignee Title
JPH0780357A (en) * 1993-06-25 1995-03-28 Blue Notsukusu Japan Kk Spray nozzle
EP0924460A1 (en) * 1997-12-22 1999-06-23 Abb Research Ltd. Two-stage pressurised atomising nozzle
CN102160964A (en) * 2011-02-18 2011-08-24 中国航天科技集团公司第六研究院第十一研究所 Selective non-catalytic reduction (SNCR) denitration multi-nozzle long-gun injector
CN202921159U (en) * 2012-09-10 2013-05-08 杨建华 Double-atomization spray gun for SNCR (selective non-catalytic reduction) denitration system
CN103045306A (en) * 2012-12-26 2013-04-17 中国东方电气集团有限公司 Coal water slurry bubble atomizing nozzle

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