CN107158912A - A kind of high-temperature steam is atomized denitrification apparatus - Google Patents
A kind of high-temperature steam is atomized denitrification apparatus Download PDFInfo
- Publication number
- CN107158912A CN107158912A CN201710323189.1A CN201710323189A CN107158912A CN 107158912 A CN107158912 A CN 107158912A CN 201710323189 A CN201710323189 A CN 201710323189A CN 107158912 A CN107158912 A CN 107158912A
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- CN
- China
- Prior art keywords
- ammoniacal liquor
- flow container
- jet pipe
- chimney
- temperature steam
- 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.)
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Links
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000000889 atomisation Methods 0.000 claims description 12
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000002401 inhibitory effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 27
- 239000003546 flue gas Substances 0.000 description 27
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 20
- 229910021529 ammonia Inorganic materials 0.000 description 10
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 4
- 238000006479 redox reaction Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
-
- 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
-
- 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
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- 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)
- Chimneys And Flues (AREA)
Abstract
Denitrification apparatus is atomized the invention discloses a kind of high-temperature steam, including gas-distributing cylinder, ammoniacal liquor flow container, mixing chamber, chimney and boiler, the gas-distributing cylinder is connected on mixing chamber with ammoniacal liquor flow container by pipeline, and mixing chamber is located between gas-distributing cylinder and ammoniacal liquor flow container, triangular shape is distributed, tourie is provided with the top of the ammoniacal liquor flow container, the side of the tourie is provided with industry water and enters valve, the side of the ammoniacal liquor flow container is provided with ammoniacal liquor and enters valve, the mixing chamber is connected on perforated pipe by pipeline, jet pipe is provided with the perforated pipe, and jet pipe is located at the inside of the chimney, shower nozzle is provided with the jet pipe, and the nozzle hole number set on shower nozzle is multiple, the lower end of the jet pipe is provided with baffle plate, the side of the chimney is provided with breather pipe, and the other end of breather pipe is located in boiler.The present invention is atomized by the superfluous high-temperature steam of gas-distributing cylinder to ammoniacal liquor, makes the atomizing effect of ammoniacal liquor fabulous the characteristics of its high temperature.
Description
Technical field
The present invention relates to a kind of denitrification apparatus, more particularly to a kind of high-temperature steam atomization denitrification apparatus.
Background technology
In current industry, the desulfurizing and denitrifying process of flue gas is generally using the pressure-air and ammoniacal liquor fluid cylinder of air compressor
Ammoniacal liquor mixed, be allowed to be atomized, with boiler discharge flue gas sufficiently contacted, generation redox reaction reach cigarette
The purpose of qi exhaustion nitre, still, in order to reach the effect of denitrating flue gas, the energy of extra consumed cabin air compressor reducer, so neither
Meet the power conservation requirement of country, while also bringing the burden of cost.Therefore, a kind of it is proposed that high-temperature steam atomization denitration dress
Put.
The content of the invention
It is a primary object of the present invention to provide a kind of high-temperature steam atomization denitrification apparatus, background technology can be effectively solved
Middle the problem of.
To achieve the above object, the technical scheme taken of the present invention is：
A kind of high-temperature steam is atomized denitrification apparatus, including gas-distributing cylinder, ammoniacal liquor flow container, mixing chamber, chimney and boiler, described point
Cylinder is connected on mixing chamber with ammoniacal liquor flow container by pipeline, and mixing chamber is located between gas-distributing cylinder and ammoniacal liquor flow container, in three
Angular shape is distributed, and is provided with tourie at the top of the ammoniacal liquor flow container, the side of the tourie is provided with industry water and enters valve
Door, the side of the ammoniacal liquor flow container is provided with ammoniacal liquor and enters valve, and the mixing chamber is connected on perforated pipe by pipeline, institute
State and jet pipe is provided with perforated pipe, and jet pipe is provided with shower nozzle, and shower nozzle on the inside of the chimney, the jet pipe
The nozzle hole number of setting is multiple, and the lower end of the jet pipe is provided with baffle plate, and the side of the chimney is provided with breather pipe, and logical
The other end of tracheae is located in boiler.
Further, it is provided with control valve on the pipeline.
Further, the endosexine of the pipeline is provided with corrosion-inhibiting coating.
Further, the quantity that the jet pipe is set is multiple.
Further, the side of the chimney, which is provided with the top of collecting box, and collecting box, is provided with main steam header.
Compared with prior art, the present invention has the advantages that：This kind of high-temperature steam is atomized denitrification apparatus, first from
Gas-distributing cylinder discharges high-temperature steam, flows to mixing chamber, and discharging ammonia spirit by ammoniacal liquor flow container flows to mixing chamber, makes both in mixing
Fully contact mixing in room, forms the ammoniacal liquor of high-temperature atomizing, and high-temperature atomizing ammoniacal liquor is sprayed by special jet pipe to chimney to be atomized
Ammoniacal liquor, at the same time, flowed into by boiler because burning produces flue gas at the jet pipe of chimney, now flue gas is in high pressure low speed
Flue gas stream, the physical action collided with baffle plate forms turbulent flue gas stream, and the atomized ammonia formation sprayed with jet pipe is vortexed,
Redox reaction efficiency is improved, strengthens the effect of denitrating flue gas, the flue gas after last denitration is discharged chimney, has reached cigarette
The effect of qi exhaustion nitre, and accomplished energy-conservation to a certain extent, designed by the shower nozzle of jet pipe with five holes, realize homalographic
Covering, i.e., atomized ammonia is sprayed by this shower nozzle, can be realized and be covered all around, and is fully reacted with flue gas, improves atomization de-
The efficiency of nitre, the characteristic that the supercharging for adding diffuser pipe by chimney is slowed down, slows down to flue gas, while pressurized constraint is to mist
Changing the redox reaction of ammoniacal liquor and flue gas has gain effect, the effect of denitrating flue gas is further lifted, by under jet pipe
Side sets corresponding baffle plate, and it is that flue gas is returned into shelves to a certain extent to be detained that it, which is acted on, and the atomized ammonia sprayed with jet pipe is mixed
Close and form vortex, further improve chemical reaction efficiency, largely reach the effect of complete denitration.
Brief description of the drawings
Fig. 1 is the overall structure diagram that high-temperature steam of the present invention is atomized denitrification apparatus.
Fig. 2 is the collecting box structural representation that high-temperature steam of the present invention is atomized denitrification apparatus.
Fig. 3 is the tourie structural representation that high-temperature steam of the present invention is atomized denitrification apparatus.
Fig. 4 is the nozzle structure schematic diagram that high-temperature steam of the present invention is atomized denitrification apparatus.
In figure：1st, gas-distributing cylinder；2nd, ammoniacal liquor flow container；3rd, mixing chamber；4th, chimney；5th, baffle plate；6th, jet pipe；7th, boiler；8th, shower nozzle；
9th, breather pipe；10th, tourie；11st, industry water enters valve；12nd, ammoniacal liquor enters valve；13rd, collecting box；14th, main steam header.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, is expanded on further the present invention.
As Figure 1-4, a kind of high-temperature steam atomization denitrification apparatus, including gas-distributing cylinder 1, ammoniacal liquor flow container 2, mixing chamber 3, cigarette
Chimney 4 and boiler 7, the gas-distributing cylinder 1 are connected on mixing chamber 3 with ammoniacal liquor flow container 2 by pipeline, and mixing chamber 3 is located at a point vapour
Between cylinder 1 and ammoniacal liquor flow container 2, triangular shape distribution, the top of the ammoniacal liquor flow container 2 is provided with tourie 10, described to absorb
The side of tank 10 is provided with industry water into valve 11, and the side of the ammoniacal liquor flow container 2 is provided with ammoniacal liquor into valve 12, described
Mixing chamber 3 is connected on perforated pipe by pipeline, and jet pipe 6 is provided with the perforated pipe, and jet pipe 6 is located at the chimney
It is multiple, the lower end of the jet pipe 6 that the nozzle hole number set on shower nozzle 8, and shower nozzle 8 is provided with 4 inside, the jet pipe 6
Baffle plate 5 is provided with, the side of the chimney 4 is provided with breather pipe 9, and the other end of breather pipe 9 is located in boiler 7.
Wherein, control valve, the mobility status of convenient control liquid are provided with the pipeline.
Wherein, the endosexine of the pipeline is provided with corrosion-inhibiting coating, prevents corrosion pipeline, increases the service life of pipeline.
Wherein, the quantity that the jet pipe 6 is set is multiple, and atomized ammonia is sprayed by multiple jet pipes 6, can realize full side
Position covering, fully reacts with flue gas, improves the efficiency of atomization denitration.
Wherein, the side of the chimney 4 is provided with collecting box 13, and the top of collecting box 13 is provided with main steam header 14,
It is easy to quickly connect use.
It should be noted that the present invention is atomized denitrification apparatus for a kind of high-temperature steam, during work, first from the row of gas-distributing cylinder 1
Go out high-temperature steam, flow to mixing chamber 3, the discharge ammonia spirit of ammoniacal liquor flow container 2 flows to mixing chamber 3, makes both abundant in mixing chamber 3
Contact mixing, forms the ammoniacal liquor of high-temperature atomizing, and high-temperature atomizing ammoniacal liquor sprays the ammoniacal liquor of atomization by special jet pipe 6 to chimney 4,
At the same time, boiler 7 is flowed at the jet pipe 6 of chimney 4 because burning produces flue gas, and now flue gas is in the flue gas stream of high pressure low speed,
The physical action collided with baffle plate 5, forms turbulent flue gas stream, and the atomized ammonia formation sprayed with jet pipe 6 is vortexed, and improves oxygen
Change the reaction efficiency of reduction, strengthen the effect of denitrating flue gas, the flue gas after last denitration is discharged chimney 4, reached that flue gas takes off
The effect of nitre, and accomplished energy-conservation to a certain extent, the shower nozzle 8 of jet pipe 6 is designed with five holes, realizes homalographic covering,
I.e. atomized ammonia is sprayed by this shower nozzle 8, can be realized and be covered all around, and is fully reacted with flue gas, improves atomization denitration
Efficiency, chimney 4 adds the characteristic that the supercharging of diffuser pipe is slowed down, and flue gas is slowed down, while pressurized constraint is to atomized ammonia
There is gain effect with the redox reaction of flue gas, the effect of denitrating flue gas is further lifted, the lower section of jet pipe 6 sets correspondence
Baffle plate 5, its act on be to a certain extent by flue gas return shelves be detained, with jet pipe 6 spray atomized ammonia carry out be mixed to form whirlpool
Stream, further improves chemical reaction efficiency, largely reaches the effect of complete denitration.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
1. a kind of high-temperature steam is atomized denitrification apparatus, including gas-distributing cylinder (1), ammoniacal liquor flow container (2), mixing chamber (3), chimney (4) and
Boiler (7), it is characterised in that：The gas-distributing cylinder (1) is connected on mixing chamber (3) with ammoniacal liquor flow container (2) by pipeline, and mixed
Close room (3) to be located between gas-distributing cylinder (1) and ammoniacal liquor flow container (2), triangular shape distribution, set at the top of the ammoniacal liquor flow container (2)
Tourie (10) is equipped with, the side of the tourie (10) is provided with industry water into valve (11), the ammoniacal liquor flow container (2)
Side is provided with ammoniacal liquor into valve (12), and the mixing chamber (3) is connected on perforated pipe by pipeline, the perforated pipe
On be provided with jet pipe (6), and jet pipe (6) is located on the inside of the chimney (4), the jet pipe (6) and is provided with shower nozzle (8), and
The nozzle hole number set on shower nozzle (8) is multiple, and the lower end of the jet pipe (6) is provided with baffle plate (5), the one of the chimney (4)
Side is provided with breather pipe (9), and the other end of breather pipe (9) is located in boiler (7).
2. a kind of high-temperature steam atomization denitrification apparatus according to claim 1, it is characterised in that：It is provided with the pipeline
Control valve.
3. a kind of high-temperature steam atomization denitrification apparatus according to claim 1, it is characterised in that：The endosexine of the pipeline
It is provided with corrosion-inhibiting coating.
4. a kind of high-temperature steam atomization denitrification apparatus according to claim 1, it is characterised in that：The jet pipe (6) is set
Quantity to be multiple.
5. a kind of high-temperature steam atomization denitrification apparatus according to claim 1, it is characterised in that：The one of the chimney (4)
Side, which is provided with the top of collecting box (13), and collecting box (13), is provided with main steam header (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710323189.1A CN107158912A (en) | 2017-05-09 | 2017-05-09 | A kind of high-temperature steam is atomized denitrification apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710323189.1A CN107158912A (en) | 2017-05-09 | 2017-05-09 | A kind of high-temperature steam is atomized denitrification apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107158912A true CN107158912A (en) | 2017-09-15 |
Family
ID=59813050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710323189.1A Pending CN107158912A (en) | 2017-05-09 | 2017-05-09 | A kind of high-temperature steam is atomized denitrification apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107158912A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646796A (en) * | 2018-05-17 | 2018-10-12 | 北京恒信卓元科技有限公司 | The venturi and its control method of more concentration controls |
| CN108897349A (en) * | 2018-05-17 | 2018-11-27 | 北京恒信卓元科技有限公司 | The venturi and its control method of more concentration control units |
| CN109999646A (en) * | 2019-05-23 | 2019-07-12 | 贾新华 | A kind of SNCR denitration system and method for denitration |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108646796A (en) * | 2018-05-17 | 2018-10-12 | 北京恒信卓元科技有限公司 | The venturi and its control method of more concentration controls |
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| CN109999646A (en) * | 2019-05-23 | 2019-07-12 | 贾新华 | A kind of SNCR denitration system and method for denitration |
| CN109999646B (en) * | 2019-05-23 | 2021-06-01 | 贾新华 | SNCR (selective non-catalytic reduction) denitration system and denitration method |
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Application publication date: 20170915 |