CN109045982A - A kind of ammonia process of desulfurization erosion protection system - Google Patents
A kind of ammonia process of desulfurization erosion protection system Download PDFInfo
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- CN109045982A CN109045982A CN201811149944.XA CN201811149944A CN109045982A CN 109045982 A CN109045982 A CN 109045982A CN 201811149944 A CN201811149944 A CN 201811149944A CN 109045982 A CN109045982 A CN 109045982A
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- Prior art keywords
- desulfurization
- pipe
- ammonia
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- concentration
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 45
- 230000023556 desulfurization Effects 0.000 title claims abstract description 45
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000003628 erosive effect Effects 0.000 title description 9
- 239000007921 spray Substances 0.000 claims abstract description 42
- 238000010521 absorption reaction Methods 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000005070 sampling Methods 0.000 claims abstract description 22
- 238000005260 corrosion Methods 0.000 claims abstract description 15
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims abstract description 12
- 235000011130 ammonium sulphate Nutrition 0.000 claims abstract description 9
- 238000002425 crystallisation Methods 0.000 claims abstract description 7
- 230000008025 crystallization Effects 0.000 claims abstract description 7
- 229910001868 water Inorganic materials 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 16
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 14
- 239000003546 flue gas Substances 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000011010 flushing procedure Methods 0.000 claims description 11
- 239000012452 mother liquor Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005536 corrosion prevention Methods 0.000 abstract 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 14
- 230000003009 desulfurizing effect Effects 0.000 description 13
- 239000000908 ammonium hydroxide Substances 0.000 description 8
- 239000006096 absorbing agent Substances 0.000 description 7
- HIVLDXAAFGCOFU-UHFFFAOYSA-N ammonium hydrosulfide Chemical compound [NH4+].[SH-] HIVLDXAAFGCOFU-UHFFFAOYSA-N 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- 238000004176 ammonification Methods 0.000 description 5
- 239000012717 electrostatic precipitator Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- JZRWCGZRTZMZEH-UHFFFAOYSA-N Thiamine Natural products CC1=C(CCO)SC=[N+]1CC1=CN=C(C)N=C1N JZRWCGZRTZMZEH-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- KYMBYSLLVAOCFI-UHFFFAOYSA-N thiamine Chemical compound CC1=C(CCO)SCN1CC1=CN=C(C)N=C1N KYMBYSLLVAOCFI-UHFFFAOYSA-N 0.000 description 1
- 229960003495 thiamine Drugs 0.000 description 1
- 235000019157 thiamine Nutrition 0.000 description 1
- 239000011721 thiamine Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000009736 wetting Methods 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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
-
- 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)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
本发明提供一种氨法脱硫防腐蚀装置，属于氨法脱硫技术领域。所述的氨法脱硫防腐蚀装置，包括脱硫塔，所述脱硫塔包括浓缩段、吸收段以及除雾段，所述浓缩段设有浓缩淋喷管，所述浓缩淋喷管通过浓缩泵与浓缩结晶槽连接，所述浓缩泵出口管道安装有第一pH采样筒；所述吸收段设有集液盘和三级吸收喷淋管，所述三级吸收喷淋管分别通过三级吸收泵与脱硫塔底部吸收液循环段连接，所述集液盘通过第二回流管与脱硫塔底部吸收液循环段连接；所述除雾段有除雾集液盘、冲洗除雾器、湿式电除雾器和塔顶烟囱。本发明通过在设计由加氨系统和采样系统，实现了防止脱硫设备腐蚀的效果，延长设备的使用寿命，保证了脱硫系统和硫铵系统的正常运行。
The invention provides an ammonia method desulfurization anticorrosion device, which belongs to the technical field of ammonia method desulfurization. The ammonia-based desulfurization anti-corrosion device includes a desulfurization tower, and the desulfurization tower includes a concentration section, an absorption section, and a demisting section, and the concentration section is provided with a concentration shower pipe, and the concentration shower pipe is connected with a concentration pump and The concentrated crystallization tank is connected, and the outlet pipeline of the concentrated pump is equipped with a first pH sampling cylinder; the absorption section is provided with a liquid collection tray and a three-stage absorption spray pipe, and the three-stage absorption spray pipe passes through the three-stage absorption pump respectively. It is connected to the absorption liquid circulation section at the bottom of the desulfurization tower, and the liquid collection pan is connected to the absorption liquid circulation section at the bottom of the desulfurization tower through the second return pipe; Foggers and tower chimneys. The present invention realizes the corrosion prevention effect of the desulfurization equipment through the design of the ammonia addition system and the sampling system, prolongs the service life of the equipment, and ensures the normal operation of the desulfurization system and the ammonium sulfate system.
Description
Technical field
The invention belongs to flue gas desulfurization technique fields, and in particular to a kind of ammonia process of desulfurization erosion protection system.
Background technique
Sulfur dioxide in sintering and boiler smoke is one of main contributor of atmosphere pollution, and the ammonia process of desulfurization utilizes absorbing liquid
It is reacted with flue gas, is the currently used better method administered to sulfur dioxide in flue gas.
Ammonia type flue gas desulfurizing is to use ammonia (can be ammonia, ammonium hydroxide or carbonic acid hydrogen ammonium) as absorbent, to boiler flue
(or sintering machine of steel mill flue gas etc.) carries out sulfur dioxide removal, by air oxidation at by-product ammonium sulfate.
The ammonia process of desulfurization includes three specific reaction steps:
It absorbs: SO2+2NH3.H2O=(NH4)2SO3+H20
Oxidation: 2 (NH4)2SO3+O2=2 (NH4)2SO4
Crystallization: (NH4)2SO4(l)=(NH4)2SO4(s)
In sweetening process, desulphurization plant faces more and more etching problems, affects the normal operation of desulphurization system.
Summary of the invention
The object of the present invention is to provide a kind of ammonia process of desulfurization erosion protection systems, to solve ammonia process of desulfurization equipment in the prior art
Perishable problem realizes the normal operation of desulphurization system.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
A kind of ammonia process of desulfurization erosion protection system, including desulfurizing tower, the desulfurizing tower include enriching section, absorber portion and demisting
Section, the desulfurizing tower enriching section lower section are equipped with smoke inlet,
The enriching section is equipped with concentration and sprays pipe, and concentration sprays and is equipped with inclined plate below pipe, and the inclined plate passes through the first reflux
Pipe is connect with the condensing crystallizing slot outside desulfurizing tower, and the concentration sprays pipe and connect by concentrating pump with condensing crystallizing slot, described dense
Contracting pump discharge pipeline is equipped with the first pH sampling cylinder；
The absorber portion is equipped with catch tray and three-level absorbs spray tube, and the three-level absorbs spray tube and inhaled respectively by three-level
It receives pump to connect with desulfurization tower bottom absorbing liquid circulation section, the catch tray is followed by the second return pipe and desulfurization tower bottom absorbing liquid
Ring segment connection；
The demisting section is followed successively by demisting catch tray from the bottom to top, rinses demister, wet type electrostatic precipitator and tower top chimney,
The demisting catch tray is connect by third return pipe with cleaning water tank, and the flushing demister passes through flushing water pump and ejected wash water
Case connection.
Preferably, the ammonia process of desulfurization erosion protection system is additionally provided with Ammonia adding System, the Ammonia adding System include ammonia vessel and
Ammonium hydroxide transportation system, the ammonia vessel are connect by aqua ammonia pump with ammonium hydroxide transportation system.
Preferably, the ammonium hydroxide transportation system includes the first delivery pipe connecting with the first return pipe, with the second return pipe
Second delivery pipe of connection, and the third delivery pipe being connect with third return pipe, first delivery pipe, the second delivery pipe and
Ammonification valve is respectively equipped in third delivery pipe.
Preferably, the condensing crystallizing slot is pumped by magma and is connect with ammonium sulfate device, and the ammonium sulfate device and mother liquor tank connect
It connects.
Preferably, the condensing crystallizing slot is equipped with overflow pipe and connect with mother liquor tank.
Preferably, the three-level absorption spray tube is equipped with the first spray tube, the second spray tube, third spray from the bottom to top
Pipe, first spray tube, the second spray tube, third spray tube pass through three-level absorption pump respectively and desulfurization tower bottom absorbing liquid is followed
Ring segment connection.
Preferably, three-level absorption pump exit is equipped with the 2nd pH sampling cylinder.
Preferably, the flushing water pump outlet conduit is equipped with the 3rd pH sampling cylinder.
Preferably, the enriching section is additionally provided with backwash tube, and the backwash tube absorbs spray tube with three-level and connect.
The invention has the following advantages:
The present invention by the Ammonia adding System that is made of the first delivery pipe, the second delivery pipe and third delivery pipe of design, with
And the sampling system being made of the first pH sampling cylinder, the 2nd pH sampling cylinder and the 3rd pH sampling cylinder, realizing prevents desulphurization plant
The effect of corrosion extends concentrator, absorption equipment, the service life for cleaning wetting system and sulphur ammonium equipment, is guaranteeing boiler
While flue gas qualified discharge, the normal operation of desulphurization system and sulphur ammonium system ensure that, have the characteristics that flexible operation is easy.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure, 1- desulfurizing tower；2- enriching section；3- absorber portion；4- demisting section；The first return pipe of 5-；6- condensing crystallizing slot；7-
Concentrating pump；The first pH sampling cylinder of 8-；9- three-level absorbs spray tube；10- three-level absorption pump；The second return pipe of 11-；12- demisting collection
Liquid disk；13- rinses demister；14- wet type electrostatic precipitator；15- third return pipe；16- cleans water tank；17- ammonia vessel；18- sulphur
Ammonium device；19- mother liquor tank；20- backwash tube；The 2nd pH sampling cylinder of 21-；The 3rd pH sampling cylinder of 22-.
Specific embodiment
For a better understanding of the technical solution of the present invention, in conjunction with appended figures and specific embodiments
Technical solution of the present invention is described in detail.
Referring to Fig. 1, a kind of ammonia process of desulfurization erosion protection system, including desulfurizing tower 1, the desulfurizing tower 1 include enriching section 2, inhale
Section 3 and demisting section 4 are received, smoke inlet is equipped with below 1 enriching section 2 of desulfurizing tower, the enriching section 2 is equipped with concentration and sprays
Pipe, concentration spray and are equipped with inclined plate below pipe, and the inclined plate is connect by the first return pipe 5 with the condensing crystallizing slot 6 outside desulfurizing tower,
The concentration sprays pipe and is connect by concentrating pump 7 with condensing crystallizing slot 6, and 7 outlet conduit of concentrating pump is equipped with the first pH and adopts
Sample cylinder 8；The absorber portion 3 is equipped with catch tray and three-level absorbs spray tube 9, and the three-level absorbs spray tube 9 and passes through three-level respectively
Absorption pump 10 is connect with desulfurization tower bottom absorbing liquid circulation section, and the three-level absorbs spray tube 9 and is equipped with the first spray from the bottom to top
Pipe, the second spray tube, third spray tube；The catch tray is connected by the second return pipe 11 with desulfurization tower bottom absorbing liquid circulation section
It connects；The enriching section 2 is additionally provided with backwash tube 20, and the backwash tube 20 absorbs spray tube 9 with three-level and connect；The demisting section
4 are followed successively by demisting catch tray 12 from the bottom to top, rinse demister 13, wet type electrostatic precipitator 14 and tower top chimney, the demisting collection
Liquid disk 12 is connect by third return pipe 15 with cleaning water tank 16, and the flushing demister 13 passes through flushing water pump and cleaning water tank
16 connections.
In above embodiments, sulfuric acid of the boiler hot flue gas after dedusting, into the enriching section 2 of desulfurizing tower 1, with concentration spray
Ammonium salt solution is in contact, and flue-gas temperature is minimized, and the heat of flue gas crystallizes part sulphur ammonium, and sulphur ammonium magma is concentrated in desulfurizing tower
Collect on the inclined plate of section 2 and condensing crystallizing slot 6 is back to by the first return pipe 5, concentration sprays pipe and passes through concentrating pump 7 and concentration
Crystallization tank 6 connects, and therefore, sulphur ammonium liquid sprays on the concentration systems that pipe, concentrating pump 7 and condensing crystallizing slot 6 are constituted constantly in concentration
Circulation, is equipped with the first pH sampling cylinder 8 in 7 outlet conduit of concentrating pump, prevents concentration systems rotten to control concentrate pH value
Erosion.
Flue gas enters absorber portion 4 by passing through catch tray after enriching section 3, and flue gas is under absorbing liquid effect, most of dioxy
Change sulphur to be deviate from.Absorbing liquid flows back into desulfurization tower bottom absorbing liquid circulation section by the second return pipe 11 after catch tray collects,
The three-level spray tube 9 in absorber portion 4 is delivered to by three-level absorption pump 10 again and carries out three-level spray, absorbing liquid is in catch tray, the
Circulated sprinkling sulfur dioxide absorption in the absorption system that two return pipes 11, three-level absorption pump 10 and three-level spray tube 9 are constituted.
In order to reduce the escape ammonia amount in the smoke evacuation of desulfurizing tower 1, the utilization rate of ammonia is improved, while in order to avoid desulfurization wet flue gas
Corrosion of the drop to peripheral devices guarantees that discharge index reaches sulfur dioxide≤35mg/m3, flue dust≤5mg/m3, ammonia-spillage amount≤
7.6mg/m3, tower body top, which has, rinses demister 13 (washing layer) and wet type electrostatic precipitator 14.Flue gas is by the abjection of absorber portion 3 two
After sulfur oxide, is entered by demisting catch tray 12 and rinse demister 13 and wet type electrostatic precipitator 14, purifying smoke is finally by tower top
Smoke stack emission.Demisting catch tray 12 is connect by third return pipe 15 with cleaning water tank 16, and ejected wash water is made to flow back into cleaning water tank
16, the flushing demister 13 is connect by flushing water pump with cleaning water tank 16.
In another preferred embodiment, the ammonia process of desulfurization erosion protection system is additionally provided with Ammonia adding System, the ammonification
System includes ammonia vessel 17 and ammonium hydroxide transportation system, and the ammonia vessel 17 is connect by aqua ammonia pump with ammonium hydroxide transportation system.It is described
Ammonium hydroxide transportation system includes the first delivery pipe connecting with the first return pipe 5, the second delivery pipe connecting with the second return pipe 11,
And the third delivery pipe being connect with third return pipe 15, in first delivery pipe, the second delivery pipe and third delivery pipe point
Valve She You not ammoniated.
In another preferred embodiment, the condensing crystallizing slot 6 is pumped by magma and is connect with ammonium sulfate device 18, described
Ammonium sulfate device 18 is connect with mother liquor tank 19.The condensing crystallizing slot 6 is equipped with overflow pipe and connect with mother liquor tank 19.
In above embodiments, when 6 magma solid content of condensing crystallizing slot reaches regulation technology controlling and process index, by magma pumping slurry
Liquid produces thiamine fertilizer to ammonium sulfate device 18, and sulphur ammonium liquid returns to desulphurization system mother liquor tank 19.In 7 outlet conduit of concentrating pump installation the
One pH sampling cylinder 8 can control concentrate pH value, to prevent magma pump, mother liquor tank and other equipment being connected with concentration systems
Corrosion.
In another preferred embodiment, 10 exit of three-level absorption pump is equipped with the 2nd pH sampling cylinder 21.
In above embodiments, to keep absorption efficiency, the 2nd pH sampling cylinder 21 is installed in 10 exit of three-level absorption pump
For acquiring absorbing liquid pH value, ammonification valve is installed on the second return pipe 11, supplements ammonium hydroxide with ammonification valve, passes through second
PH sampling cylinder 21 acquires absorbing liquid pH value, controls absorbing liquid pH value, while sulfur dioxide absorption, can prevent absorption system
Corrosion.
In another preferred embodiment, the flushing water pump outlet conduit is equipped with the 3rd pH sampling cylinder 22.
In above embodiments, configured with ammonification valve, flushing water pump outlet configuration the 3rd pH sampling on the second return pipe 15
Cylinder 22, to control ejected wash water pH value, to solve ejected wash water to the etching problem of cleaning system and blowdown stack.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811149944.XA CN109045982A (en) | 2018-09-29 | 2018-09-29 | A kind of ammonia process of desulfurization erosion protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811149944.XA CN109045982A (en) | 2018-09-29 | 2018-09-29 | A kind of ammonia process of desulfurization erosion protection system |
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| Publication Number | Publication Date |
|---|---|
| CN109045982A true CN109045982A (en) | 2018-12-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811149944.XA Pending CN109045982A (en) | 2018-09-29 | 2018-09-29 | A kind of ammonia process of desulfurization erosion protection system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109381988A (en) * | 2018-12-27 | 2019-02-26 | 山东盛宝传热科技有限公司 | A kind of device preventing ammonia process desulfuration tower Crystallization Plugging |
| CN111482072A (en) * | 2019-01-28 | 2020-08-04 | 南京定环新能源科技有限公司 | Absorption tower absorption section upper desulfurization liquid collecting disc in ammonia desulfurization |
| CN111701412A (en) * | 2019-03-18 | 2020-09-25 | 上海申欣川环保工程技术有限公司 | A sintering flue gas ultra-cleaning system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597513A (en) * | 2016-01-29 | 2016-05-25 | 石家庄宇清环保科技有限公司 | Flue gas desulfurizing and dust removing device of coal-fired boiler |
| CN106422705A (en) * | 2016-11-07 | 2017-02-22 | 大连科林能源工程技术开发有限公司 | Multi-stage fluidized washing and resourceful utilization ultra-low pollutant discharge system for sulfur-containing waste gas |
| CN208911810U (en) * | 2018-09-29 | 2019-05-31 | 石家庄宇清环保科技有限公司 | A kind of ammonia process of desulfurization erosion protection system |
-
2018
- 2018-09-29 CN CN201811149944.XA patent/CN109045982A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597513A (en) * | 2016-01-29 | 2016-05-25 | 石家庄宇清环保科技有限公司 | Flue gas desulfurizing and dust removing device of coal-fired boiler |
| CN106422705A (en) * | 2016-11-07 | 2017-02-22 | 大连科林能源工程技术开发有限公司 | Multi-stage fluidized washing and resourceful utilization ultra-low pollutant discharge system for sulfur-containing waste gas |
| CN208911810U (en) * | 2018-09-29 | 2019-05-31 | 石家庄宇清环保科技有限公司 | A kind of ammonia process of desulfurization erosion protection system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109381988A (en) * | 2018-12-27 | 2019-02-26 | 山东盛宝传热科技有限公司 | A kind of device preventing ammonia process desulfuration tower Crystallization Plugging |
| CN111482072A (en) * | 2019-01-28 | 2020-08-04 | 南京定环新能源科技有限公司 | Absorption tower absorption section upper desulfurization liquid collecting disc in ammonia desulfurization |
| CN111482072B (en) * | 2019-01-28 | 2024-03-29 | 南京定环新能源科技有限公司 | Upper desulfurization liquid collecting disc of absorption section of absorption tower in ammonia desulfurization |
| CN111701412A (en) * | 2019-03-18 | 2020-09-25 | 上海申欣川环保工程技术有限公司 | A sintering flue gas ultra-cleaning system and method |
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