CN108672122A - A kind of metal sealing antiseep sector super-fine atomization denitration spray gun - Google Patents
A kind of metal sealing antiseep sector super-fine atomization denitration spray gun Download PDFInfo
- Publication number
- CN108672122A CN108672122A CN201810821576.2A CN201810821576A CN108672122A CN 108672122 A CN108672122 A CN 108672122A CN 201810821576 A CN201810821576 A CN 201810821576A CN 108672122 A CN108672122 A CN 108672122A
- Authority
- CN
- China
- Prior art keywords
- gas
- liquid
- air
- outer silk
- spherical outer
- 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.)
- Pending
Links
- 239000007921 spray Substances 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 title claims abstract description 8
- 238000000889 atomisation Methods 0.000 title claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 71
- 230000001007 puffing effect Effects 0.000 claims abstract description 24
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 19
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 9
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 8
- 239000012071 phase Substances 0.000 claims description 24
- 239000007791 liquid phase Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 29
- 239000000443 aerosol Substances 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 239000000908 ammonium hydroxide Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0491—Spray 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
-
- 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
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
-
- 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
- B01D53/86—Catalytic processes
- B01D53/90—Injecting reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
- B05B1/04—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
Abstract
A kind of metal sealing antiseep sector super-fine atomization denitration spray gun, belongs to denitration technology field.Including air and liquid mixer, the spherical outer silk interface of compressed air, the spherical outer silk interface of ammoniacal liquor, Builking cavity of gas-liquid, cold wind suction inlet, protection sleeve pipe, gas-liquid secondary puffing chamber, high temperature gas phase conversion chamber, the horizontal atomizer of wide-angle degree type.Compressed air gas source metal hose couples the spherical outer silk interface of compressed air; liquefied ammonia metal hose couples the spherical outer silk interface of ammoniacal liquor; the spherical outer silk interface of compressed air is connect by screw thread silk with the spherical outer silk interface of ammoniacal liquor and forms air and liquid mixer; Builking cavity of gas-liquid is formed inside air and liquid mixer; the reducer pipe fitting of gas-liquid secondary puffing chamber, high temperature gas phase conversion chamber being integrally formed structure; one end of reducer pipe fitting and air and liquid mixer thread connection; the other end and the horizontal atomizer thread connection of wide-angle degree type, cold wind suction inlet are communicated with protection sleeve pipe.The advantage is that improving atomizing effect, denitration efficiency is improved, reduces ammonia consumption.
Description
Technical field
The invention belongs to denitration technology fields, are sprayed more particularly to a kind of metal sealing antiseep sector super-fine atomization denitration
Rifle.Realize the metal sealing coupled with peripheral gas-liquid pipeline, the primary puffing, secondary puffing of gas-liquid premix.
Background technology
The factory of exhaust gas is largely discharged in cement industry, thermoelectricity industry and waste incineration industry etc., high-temp combustion generates
Heat smoke have to pass through out of stock processing so that wherein NO and NO2The content of (the two abbreviation DNX) is at or below national regulation
Discharge standard, generally completed using lance ejection ammonium hydroxide.Current denitration spray gun, in dismounting and change and installation, gas-liquid
Interface needs another configuration screw thread to silk, internal thread pipe collar and is arranged to prevent gas-liquid from revealing winding raw material band and polytetrafluoro sealing ring etc.
It applies.Current denitration spray gun, for raising atomizing effect, denitration reaction is abundant, reduces ammonia consumption, for how to realize rational mist
Change effect, denitration reagent are fully atomized, are atomized the reasonability for spraying shape, need further by new spray gun structure come real
It is existing.
Invention content
The purpose of the present invention is to provide a kind of metal sealing antiseep sector super-fine atomization denitration spray guns, solve background
The technical problems such as denitration spray gun gas-liquid interface is easily revealed in technology and installation is more complicated；Also, improves atomizing effect, improve denitration
Efficiency reduces ammonia consumption.
The present invention includes air and liquid mixer 1, the spherical outer silk interface 2 of compressed air, the spherical outer silk interface 3 of ammoniacal liquor, gas-liquid one
Secondary Builking cavity 4, cold wind suction inlet 5, protection sleeve pipe 6, gas-liquid secondary puffing chamber 7, high temperature gas phase conversion chamber 8 (are more than 250mm, gas
Liquid phase is largely converted into gas gas phase), the horizontal atomizer of wide-angle degree type 9.
Compressed air gas source metal hose 10 couples the spherical outer silk interface 2 of compressed air, and liquefied ammonia metal hose 11 couples ammonia
The spherical outer silk interface 3 of liquid, the spherical outer silk interface 2 of compressed air, which is connect with the outer silk interface 3 of ammoniacal liquor spherical shape by screw thread silk, to be formed gas-liquid and mixes
Clutch 1 forms Builking cavity 4 of gas-liquid, gas-liquid secondary puffing chamber 7,8 structure of high temperature gas phase conversion chamber inside air and liquid mixer 1
The reducer pipe fitting 12 of integralization structure, one end and 1 thread connection of air and liquid mixer, the other end and the extensive angle of reducer pipe fitting 12
Horizontal 9 thread connection of atomizer of type, protection sleeve pipe 6 are nested in the periphery of reducer pipe fitting 12, cold wind suction inlet 5 and protection sleeve pipe
6 communicate.Gas-liquid secondary puffing chamber 7, high temperature gas phase conversion chamber 8 are the different pipe fitting of internal diameter.
Preferably, further technical solution is：The compression that the air and liquid mixer 1 couples with peripheral gas-liquid pipeline is empty
The spherical outer silk interface of the outer silk interface 2 of balloon shape, ammoniacal liquor 3 no longer needs rubber seal when mounted, interface without gas-liquid leakage,
It is quickly and expediently installed.
Further technical solution is：Builking cavity 4 of gas-liquid, passes through air and liquid mixer 1 in the air and liquid mixer 1
Interior compressed air backslash circular cone jet port and positive oblique cone ammoniacal liquor annular spray face, gas-liquid two-phase hit primary puffing.
Further technical solution is：The secondary gas-liquid Builking cavity 7 of spraygun body middle-end, it is once puffing by gas-liquid
Chamber 4 enters gas-liquid secondary puffing chamber 7.This component, which has, to be in more than 250mm in hot environment, and liquid phase is made to be largely converted into gas
Gas phase.
Further technical solution is：7 rear end of spraygun body gas-liquid secondary puffing chamber has is in height more than 250mm
High temperature gas phase conversion chamber 8 in warm environment, makes liquid phase be largely converted into gas gas phase.
Further technical solution is：The spraygun body high temperature gas phase conversion chamber 8 and the horizontal ultra-fine mist of wide-angle degree type
Change nozzle 9, by the horizontal super-fine atomization nozzle 9 of wide-angle degree type, sprays and be more than 135 ° of horizontal ultrafine aerial fogs, cover exhaust gases passes
Section, flue gas vertical upflow simultaneously pass through aerosol layer, realize the close contact of aerosol and flue gas, denitration reaction speed is made to carry
Height more saves the consumption of ammoniacal liquor.
It is an advantage of the current invention that
Compared with prior art, integrated particulate metal spherical shape interface of mixer gas-liquid pipeline connection, does not use spiral shell
Line connection accessory avoids the phenomenon that gas-liquid leakage, easier for installation quick.
Compared with prior art, gas-liquid divides two level puffing, and along with the most of gas gas of high temperature are puffing, aerosol is finer.
Compared with prior art, the horizontal atomizer of wide-angle degree type of spraygun body front end, is more conducive to ammonium hydroxide to cigarette
Road cross section covers.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of the invention.Wherein, the spherical outer silk of air and liquid mixer 1, compressed air connects
Mouthfuls 2, the spherical outer silk interface 3 of ammoniacal liquor, Builking cavity 4 of gas-liquid, cold wind suction inlet 5, protection sleeve pipe 6, gas-liquid secondary puffing chamber 7,
High temperature gas phase conversion chamber 8 (being more than 250mm, liquid phase is largely converted into gas gas phase), the horizontal atomizer 9 of wide-angle degree type, pressure
Contracting air air source metal hose 10, liquefied ammonia metal hose 11, reducer pipe fitting 12.
Fig. 2 is fluidized bed mixer.
Specific implementation mode
The present invention is further elaborated below in conjunction with the accompanying drawings：
As shown in Figure 1, one embodiment of the present invention is a kind of antiseep denitration spray gun, including on air and liquid mixer 1
Equipped with the spherical outer silk interface 2 of compressed air and the spherical outer silk interface 3 of ammoniacal liquor, 1 inside setting gas-liquid of air and liquid mixer is once puffing
Chamber 4, compressed air backslash circular cone jet port are arranged with positive oblique cone ammoniacal liquor annular spray face inside air and liquid mixer 1, gas-liquid
Two-phase shock is primary puffing, and air and liquid mixer 1 is to be threadedly coupled with gas-liquid secondary puffing chamber 7, once swollen by mixer gas-liquid
Enter secondary gas-liquid Builking cavity 7 after changing 4, then (liquid phase is largely converted into 250mm high temperature gas phase conversions chamber 8 is more than
Gas gas phase) in, so that liquid phase is largely converted into gas gas phase, high temperature gas phase conversion chamber 8 and horizontal 9 spiral shell of atomizer of wide-angle degree type
Line connects, and sprays 135 ° of horizontal fan-shaped aerosols, covers the section of exhaust gases passes, and flue gas vertical upflow simultaneously passes through aerosol layer,
The close contact for realizing aerosol and flue gas makes denitration reaction speed improve, and more saves the consumption of ammoniacal liquor.Gas-liquid secondary puffing
Chamber 7 and 8 periphery of high temperature gas phase conversion chamber are protection sleeve pipe 6, are provided with cold wind suction inlet 5, play and protect secondary gas-liquid Builking cavity 7
And high temperature gas phase conversion chamber 8 and the horizontal atomizer 9 of wide-angle degree type, and prevent spray gun top flue inner product ash from collapsing and causing to spray
Rifle deforms.
Although reference be made herein to invention has been described for explanatory embodiment of the invention, it is to be understood however that ability
Field technique personnel can be designed that a lot of other modification and implementations, these modifications and implementations will be fallen in the application public affairs
Within the principle model state opened and spirit.More specifically, disclose in the application, the model of drawings and claims it is domestic, can be right
The building block and/or layout of theme combination layout carry out a variety of variations and modifications.In addition to being carried out to building block and/or layout
Variations and modifications outside, to those skilled in the art, other purposes also will be apparent.
Claims (6)
1. a kind of metal sealing antiseep sector super-fine atomization denitration spray gun, it is characterised in that：Including air and liquid mixer (1), pressure
Contracting air spherical outer silk interface (2), Builking cavity (4) of gas-liquid, cold wind suction inlet (5), is protected at the spherical outer silk interface (3) of ammoniacal liquor
Protecting pipe (6), gas-liquid secondary puffing chamber (7), high temperature gas phase conversion chamber (8), the horizontal atomizer of wide-angle degree type (9), compression are empty
Gas air source metal hose (10)；
Compressed air gas source metal hose (10) couples the spherical outer silk interface (2) of compressed air, liquefied ammonia metal hose (11) connection
The spherical outer silk interface (3) of ammoniacal liquor, the spherical outer silk interface (2) of compressed air connect group with the spherical outer silk interface (3) of ammoniacal liquor by screw thread silk
At air and liquid mixer (1), Builking cavity (4) of gas-liquid is formed inside air and liquid mixer (1)；Gas-liquid secondary puffing chamber (7), height
The reducer pipe fitting (12) of wet inversion of phases chamber (8) being integrally formed structure, one end and the air and liquid mixer (1) of reducer pipe fitting (12)
Thread connection, the other end and the horizontal atomizer of wide-angle degree type (9) thread connection, protection sleeve pipe (6) are nested in reducer pipe fitting
(12) periphery, cold wind suction inlet (5) are communicated with protection sleeve pipe (6).
2. spray gun according to claim 1, which is characterized in that gas-liquid secondary puffing chamber (7), high temperature gas phase conversion chamber (8)
For the different pipe fitting of internal diameter.
3. spray gun according to claim 1, which is characterized in that the air and liquid mixer (1) couples with peripheral gas-liquid pipeline
The spherical outer silk interface (2) of compressed air, the outer silk interface (3) of ammoniacal liquor spherical shape no longer need rubber seal, interface when mounted
It is revealed without gas-liquid at place.
4. spray gun according to claim 1, which is characterized in that described interior Builking cavity (4) of gas-liquid of air and liquid mixer (1)
By the interior compressed air backslash circular cone jet port of air and liquid mixer (1) and positive oblique cone ammoniacal liquor annular spray face, gas-liquid two-phase is hit
It hits primary puffing.
5. spray gun according to claim 1, which is characterized in that the secondary gas-liquid Builking cavity (7) of spraygun body middle-end is led to
It crosses Builking cavity (5) of gas-liquid and enters gas-liquid secondary puffing chamber (7).
6. spray gun according to claim 1, which is characterized in that spraygun body gas-liquid secondary puffing chamber (7) rear end has
It is in the high temperature gas phase conversion chamber (8) in hot environment more than 250mm, liquid phase is made to be largely converted into gas gas phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810821576.2A CN108672122A (en) | 2018-07-24 | 2018-07-24 | A kind of metal sealing antiseep sector super-fine atomization denitration spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810821576.2A CN108672122A (en) | 2018-07-24 | 2018-07-24 | A kind of metal sealing antiseep sector super-fine atomization denitration spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108672122A true CN108672122A (en) | 2018-10-19 |
Family
ID=63815781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810821576.2A Pending CN108672122A (en) | 2018-07-24 | 2018-07-24 | A kind of metal sealing antiseep sector super-fine atomization denitration spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108672122A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2912817Y (en) * | 2006-04-07 | 2007-06-20 | 何旭润 | Two-phase incised type inner atomization lance |
| JP2007244997A (en) * | 2006-03-16 | 2007-09-27 | Atomakkusu:Kk | Liquid supplying-pipe put-in type vortex-flow based atomization nozzle |
| CN102698903A (en) * | 2012-06-26 | 2012-10-03 | 上海大学 | Multi-hybrid type sprayed liquid atomization head |
| CN104174517A (en) * | 2014-08-14 | 2014-12-03 | 陕西金翼通风科技有限公司 | Atomization no-blind zone target type impinging stream nozzle |
| CN104525409A (en) * | 2014-12-25 | 2015-04-22 | 刘怀平 | Double-fluid spray gun for denitration |
| WO2015122793A1 (en) * | 2014-02-17 | 2015-08-20 | Леонид Иванович МАЛЬЦЕВ | Pneumatic atomizer (variants) |
| CN104874498A (en) * | 2015-05-11 | 2015-09-02 | 山东科技大学 | High-low pressure and internal-external hybrid air atomizing nozzle |
| CN205999338U (en) * | 2016-06-27 | 2017-03-08 | 石宝珍 | A kind of feed nozzle |
| CN107999296A (en) * | 2017-11-27 | 2018-05-08 | 常州五王电机有限公司 | The resistance to thermic lance of SNCR denitration two-fluid voltage stabilizing |
| CN208757836U (en) * | 2018-07-24 | 2019-04-19 | 河北睿索固废工程技术研究院有限公司 | A kind of metal sealing antiseep sector super-fine atomization denitration spray gun |
-
2018
- 2018-07-24 CN CN201810821576.2A patent/CN108672122A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007244997A (en) * | 2006-03-16 | 2007-09-27 | Atomakkusu:Kk | Liquid supplying-pipe put-in type vortex-flow based atomization nozzle |
| CN2912817Y (en) * | 2006-04-07 | 2007-06-20 | 何旭润 | Two-phase incised type inner atomization lance |
| CN102698903A (en) * | 2012-06-26 | 2012-10-03 | 上海大学 | Multi-hybrid type sprayed liquid atomization head |
| WO2015122793A1 (en) * | 2014-02-17 | 2015-08-20 | Леонид Иванович МАЛЬЦЕВ | Pneumatic atomizer (variants) |
| CN104174517A (en) * | 2014-08-14 | 2014-12-03 | 陕西金翼通风科技有限公司 | Atomization no-blind zone target type impinging stream nozzle |
| CN104525409A (en) * | 2014-12-25 | 2015-04-22 | 刘怀平 | Double-fluid spray gun for denitration |
| CN104874498A (en) * | 2015-05-11 | 2015-09-02 | 山东科技大学 | High-low pressure and internal-external hybrid air atomizing nozzle |
| CN205999338U (en) * | 2016-06-27 | 2017-03-08 | 石宝珍 | A kind of feed nozzle |
| CN107999296A (en) * | 2017-11-27 | 2018-05-08 | 常州五王电机有限公司 | The resistance to thermic lance of SNCR denitration two-fluid voltage stabilizing |
| CN208757836U (en) * | 2018-07-24 | 2019-04-19 | 河北睿索固废工程技术研究院有限公司 | A kind of metal sealing antiseep sector super-fine atomization denitration spray gun |
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