CN205914019U - Novel SCR denitration device - Google Patents
Novel SCR denitration device Download PDFInfo
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- CN205914019U CN205914019U CN201620939461.XU CN201620939461U CN205914019U CN 205914019 U CN205914019 U CN 205914019U CN 201620939461 U CN201620939461 U CN 201620939461U CN 205914019 U CN205914019 U CN 205914019U
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- scr
- scr denitration
- flue
- catalyst
- benitration reactor
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000003054 catalyst Substances 0.000 claims abstract description 64
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 33
- 239000000428 dust Substances 0.000 claims abstract description 22
- 239000004071 soot Substances 0.000 claims abstract description 13
- 239000007800 oxidant agent Substances 0.000 claims description 22
- 230000001590 oxidative effect Effects 0.000 claims description 22
- 238000007664 blowing Methods 0.000 claims description 14
- 238000013459 approach Methods 0.000 claims description 13
- 238000005507 spraying Methods 0.000 claims description 8
- 239000007789 gas Substances 0.000 abstract description 37
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 19
- 239000003546 flue gas Substances 0.000 abstract description 19
- 230000009615 deamination Effects 0.000 abstract description 4
- 238000006481 deamination reaction Methods 0.000 abstract description 4
- 239000000779 smoke Substances 0.000 abstract description 2
- 238000010410 dusting Methods 0.000 abstract 3
- 238000003795 desorption Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 239000003500 flue dust Substances 0.000 description 6
- 239000013618 particulate matter Substances 0.000 description 5
- 235000019504 cigarettes Nutrition 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 208000018299 prostration Diseases 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Abstract
The utility model discloses a novel SCR denitration device, including SCR denitration reactor, set up at the deNOx systems entry flue at SCR denitration reactor top and set up the deNOx systems exhaust pass of SCR denitration reactor bottom, from the top down sets gradually guide vanes, flow straightening grid and SCR denitration catalyst layer in the SCR denitration reactor, SCR denitration catalyst layer below sets up ammonia desorption catalyst layer, deNOx systems entry flue includes horizontal gas pass and vertical gas pass, set up the pre -dusting device in the deNOx systems entry flue, the pre -dusting device is including fixing at the slope dust removal board on horizontal gas pass upper portion, fixing at the level dust removal board of vertical gas pass side and set up the dust arrester in the vertical gas pass bottom. This denitrification facility simple structure, the deamination is effectual, and most coarse grain smoke and dust in the flue gas can be eliminated to the pre -dusting device moreover, and the soot blower deashing is effectual, catalyst long service life.
Description
Technical field
This utility model belongs to the atmosphere pollution control technology field of discharged from coal-fired boiler and in particular to one kind is new
Scr denitrification apparatus.
Background technology
Coal fired power generation is still the main source of China's electric power energy at this stage, but coal can discharge in combustion
Go out substantial amounts of contaminant gases, such as so2、no x Deng.Wherein no x It is also to cause the vile weathers such as photochemical fog, pm2.5 and acid rain
Principal element.In order to reduce no x The discharge capacity of pollutant, each coal-burning power plant equal auxiliary construction denitrification apparatus, wherein select
Property catalysis reduction (selective catalytic reduction, scr) denitrating technique with its denitration efficiency height, technology maturation,
The advantage such as operation maintenance is simple, has started to be widely used in during coal-fired plant flue gas advanced both at home and abroad process.But scr denitration
System in running, due to spray the fluctuation of ammonia system, the error of online monitoring instrument, the Partial Blocking of scr catalyst,
Scr catalyst member region activation reduces, the ammonia-spraying grid spray unequal factor of ammonia, leads to denitrating system outlet ammonia slip concentration warp
Often it is in more than 3ppm.In addition, smoke content is high in flue gas before cleaner unit for the coal-burning power plant, life-time service can block urges
Agent passage, covering catalyst surface activity, thus reducing catalyst performance, can be using to coal-burning power plant's flue dust in prior art
Carry out pretreatment or adopt soot blower to blow the dust of the catalyst surface service life to increase catalyst off.
Chinese Patent Application No. 201320560411.7 discloses a kind of deashing device for scr Benitration reactor, it
Including the air compressor being sequentially communicated, surge tank, electromagnetic valve and air jet pipe net unit module, air jet pipe net unit module is located at
The top of catalyst elements in scr Benitration reactor, corresponds arrangement with catalyst elements.Fumarole in this deashing device
Air blowing area is little, and needing to arrange more jet soot blowing arms and can be only achieved comprehensive deashing does not have the purpose at dead angle, increases cost.
Utility model content
In view of this, the purpose of this utility model is for the deficiencies in the prior art, provides a kind of new scr denitration dress
Put, this denitrification apparatus structure is simple, and deamination effect is good, and pre-dedusting device can remove most crude particle cigarette in flue gas
Dirt, soot blower ash-removal effect is good, catalyst long service life.
For reaching above-mentioned purpose, this utility model employs the following technical solutions:
A kind of new scr denitrification apparatus, including scr Benitration reactor, the denitration system that is arranged on scr Benitration reactor top
System gas approach and setting scr Benitration reactor bottom denitrating system exhaust pass, described denitrating system gas approach with
The economizer exit flue of steam generator system connects, and described denitrating system exhaust pass is connected with the air preheater entrance of steam generator system,
Guide vane, flow straightening grid and scr denitration catalyst oxidant layer, described scr is set gradually from top to bottom in described scr Benitration reactor
Ammonia Removal of catalyst layer is set below denitration catalyst oxidant layer；Described denitrating system gas approach includes horizontal flue and vertical cigarette
Road, setting pre-dedusting device in described denitrating system gas approach, described pre-dedusting device includes being fixed on horizontal flue top
Tilt dedusting plate, be fixed on vertical gas pass side horizontal dedusting plate and the dust arrester being arranged on vertical gas pass bottom.
Further, setting ammonia-spraying grid in described vertical gas pass.
Further, scr Benitration reactor is arranged soot blower, described soot blower includes being arranged on described scr and takes off
House steward that air compressor outside nitre reactor is connected with described air compressor and be arranged on scr denitration catalyst oxidant layer
The main connecting with described house steward with ammonia Removal of catalyst layer top, described main is vertically arranged multiple and described main even
Logical arm, described bottom of the tube arranges multiple steam vents.
Further, described aerofluxuss in the hole installs blowing nozzle, and described blowing nozzle bottom is spherical structure, described spherical structure
The multiple gas holes of upper setting.
Further, the structure of described scr denitration catalyst oxidant layer and ammonia Removal of catalyst layer is honeycomb fashion, board-like or ripple
Stricture of vagina formula.
The beneficial effects of the utility model are:
1st, new scr denitrification apparatus of the present utility model, arrange scr denitration catalyst oxidant layer in scr Benitration reactor, use
In denitration；Because, in existing routine denitrating system, the lifting of denitration efficiency means that the increasing of ammonia spraying amount, thus causing
The rising of ammonia slip concentration, therefore this utility model arrange ammonia Removal of catalyst layer below scr denitration catalyst oxidant layer, can
While improving denitration efficiency and ammonia spraying amount, realize the removing of ammonia, this new scr denitrification apparatus only needs to original denitration
System is simply transformed, and on the basis of original scr denitration catalyst oxidant layer, installs ammonia Removal of catalyst layer additional, overall to equipment
Change little, easy construction, low cost, ammonia removal efficiency is notable.
2nd, denitrating system gas approach includes horizontal flue and vertical gas pass, arranges pre- dedusting in denitrating system gas approach
Device, wherein pre-dedusting device include being fixed on the inclination dedusting plate on horizontal flue top, are fixed on vertical gas pass side level
Dedusting plate and the dust arrester being arranged on vertical gas pass bottom, the angle α wherein tilting dedusting plate with horizontal flue is obtuse angle, cigarette
After gas enters horizontal flue, encounter the stop tilting dedusting plate, after a part of particle thing touches inclination dedusting plate, along inclination
Dedusting plate drops in dust arrester, and flue gas then bypasses inclination dedusting plate along moving in direction obliquely, then arrives vertical gas pass
Move upwards more afterwards, encounter the stop of horizontal dedusting plate, a part of particle thing sticks on horizontal dedusting plate, another part particulate matter
Slowly move downward, fall in dust arrester, and flue gas is in the presence of tilting dedusting plate and horizontal dedusting plate, above dust arrester
Form a recirculating zone so that the flue dust in more flue gas or particulate matter drop in entrance dust arrester, this pre-dedusting device is tied
Structure is simple, and cost ratio is relatively low, and can remove most crude particle flue dust in flue gas, thus reducing to scr denitrating catalyst
Layer and the abrasion of ammonia Removal of catalyst layer, increase the service life of catalyst.
The 3rd, soot blower is arranged on this utility model scr Benitration reactor, soot blower source of the gas provides for air compressor
Compressed air, air compressor connects house steward, and connects multiple mains on house steward, each scr denitration catalyst oxidant layer and ammonia
Removal of catalyst layer top is provided with a main, and main horizontal direction is vertically arranged multiple arms being connected with main,
Prop up bottom of the tube and multiple steam vents are set, aerofluxuss in the hole installs blowing nozzle, and wherein blowing nozzle bottom is spherical structure, on spherical structure
Multiple gas holes are set, similar to the structure of shower head, air blowing area can be greatly increased, ash-removal effect is good, thus increase urging
Agent service life.
Brief description
Fig. 1 is the structural representation of this utility model embodiment 1；
Fig. 2 is the structural representation of this utility model embodiment 1 soot blower；
Fig. 3 is the structural representation of this utility model embodiment 2 blowing nozzle.
In figure: 1-scr Benitration reactor, 2- denitrating system exhaust pass, 3- horizontal flue, 4- vertical gas pass, 5- tilts
Dedusting plate, 6- guide vane, 7- flow straightening grid, 8-scr denitration catalyst oxidant layer, 9- ammonia Removal of catalyst layer, the horizontal dedusting of 10-
Plate, 11- dust arrester, 12- ammonia-spraying grid, 13- air compressor, house steward 14-, 15- main, 16- arm, 17- steam vent, 18-
Blowing nozzle, 19- gas hole.
Specific embodiment
With reference to the accompanying drawings and examples this utility model is further described.
Embodiment 1
As depicted in figs. 1 and 2, a kind of new scr denitrification apparatus, including scr Benitration reactor 1, to be arranged on scr denitration anti-
Answer the denitrating system gas approach at device top and the denitrating system exhaust pass 2 of setting scr Benitration reactor bottom, denitration system
System gas approach is connected with the economizer exit flue of steam generator system, and denitrating system exhaust pass is entered with the air preheater of steam generator system
Mouth connects, and wherein sets gradually guide vane 6, flow straightening grid 7 and scr denitrating catalyst in scr Benitration reactor 1 from top to bottom
It is placed with denitrating catalyst in layer 8, scr denitration catalyst oxidant layer, the nh in flue gas can be made3With no x In the presence of denitrating catalyst
There is redox reaction, thus reaching denitration purpose；Scr denitration catalyst oxidant layer 8 lower section setting ammonia Removal of catalyst layer 9,
Ammonia Removal of catalyst layer is placed with ammonia Removal of catalyst, can make the ammonia escaping from scr denitration catalyst oxidant layer in ammonia
In the presence of gas Removal of catalyst decompose or and oxygen reaction, thus reaching the effect of deamination.Scr denitration catalyst oxidant layer and ammonia
The structure that QI prostration removes catalyst layer can be honeycomb fashion, board-like or corrugated, scr denitration catalyst oxidant layer and ammonia in the present embodiment
The structure of Removal of catalyst layer is corrugated.
Denitrating system gas approach includes horizontal flue 3 and vertical gas pass 4, arranges pre- dedusting in denitrating system gas approach
Device, pre-dedusting device includes being fixed on the inclination dedusting plate 5 on horizontal flue 3 top, is fixed on vertical gas pass 4 side level and removes
Dirt plate 10 and the dust arrester 11 being arranged on vertical gas pass 4 bottom, wherein tilt the angle α between dedusting plate 5 and horizontal flue 3
For obtuse angle, dust arrester 11 bottom is provided with ash discharging hole；Setting ammonia-spraying grid 12 in vertical gas pass 4.
Soot blower is arranged on scr Benitration reactor 1, soot blower includes being arranged on the sky outside scr Benitration reactor 1
House steward 14 that air compressor 13 is connected with air compressor 13 and be arranged on scr denitration catalyst oxidant layer 8 and ammonia removing catalysis
The main 15 that oxidant layer 9 top is connected with house steward, main 15 is vertically arranged multiple arms connecting with main 15 in the horizontal direction
16, arm 16 bottom arranges multiple steam vents 17.
During using this utility model, after coal-fired plant flue gas enter horizontal flue 3 first, in the stop tilting dedusting plate 5
Under, the partial particulate thing in flue gas sticks in inclination dedusting plate 5 or drops in entrance dust arrester 11, and flue gas then bypasses inclination and removes
Dirt plate 5 moves along direction obliquely, moves upwards after then arriving vertical gas pass 4 again, encounters the stop of horizontal dedusting plate 10, and one
Partial particulate thing sticks on horizontal dedusting plate 10, and another part particulate matter slowly moves downward, and falls in dust arrester 11, and flue gas
In the presence of tilting dedusting plate 5 and horizontal dedusting plate 10, form a recirculating zone above dust arrester 11 so that more cigarette
Flue dust in gas or particulate matter drop in entrance dust arrester 11, and dust arrester bottom is provided with ash discharging hole, can clear up dust in time,
This pre-dedusting device structure is simple, can remove most crude particle flue dust in flue gas, thus reducing to scr denitration catalyst oxidant layer
With the abrasion of ammonia Removal of catalyst layer, increase the service life of catalyst.And work as flue gas after ammonia-spraying grid 12 spray ammonia, mixing
Nh after the flue gas of ammonia passes through guide vane 6 and flow straightening grid 7, in the flue gas of mixing ammonia3With no x In scr denitration catalyst
There is redox reaction, denitration in the presence of oxidant layer 8, then in the presence of ammonia Removal of catalyst layer 9, reach deamination
Effect.
Because pre-dedusting device can remove most crude particle flue dust in flue gas, and the less granule of some particle diameters can be with
Flue gas and enter in scr Benitration reactor 1, for reducing the activity of particulate matter abrasive catalyst, this utility model denitrating catalyst
Layer 8 and ammonia Removal of catalyst layer 9 top are provided with main 15, and main 15 is vertically arranged multiple and main in the horizontal direction
The arm 16 of 15 connections, arm 16 bottom is arranged multiple steam vents 17, can be removed in time above catalyst using compressed air
Dust, play dual dustproof function with pre-dedusting device, thus increasing catalyst service life.
Embodiment 2
Embodiment 2 structure is substantially the same manner as Example 1, and difference is: as shown in figure 3, install in steam vent 17 blowing
Valve 18, mounting means for threaded, bonding or can be integrally formed, and blowing nozzle 18 is hollow-core construction, including from top to bottom
The sequentially coaxially cylinder of connection, taper and spherical structure, wherein arranges multiple gas holes 19 on spherical structure, this structure has
Help increase air blowing area, reduce deashing dead angle, deashing is more thorough.
Finally illustrate, above example only in order to the technical solution of the utility model is described and unrestricted, this area
Other modifications or equivalent that those of ordinary skill is made to the technical solution of the utility model, without departing from this practicality
The spirit and scope of new technique scheme, all should cover in the middle of right of the present utility model.
Claims (5)
1. a kind of new scr denitrification apparatus it is characterised in that: include scr Benitration reactor (1), be arranged on scr Benitration reactor
The denitrating system gas approach at top and the denitrating system exhaust pass (2) of setting scr Benitration reactor bottom, described denitration
System entry flue is connected with the economizer exit flue of steam generator system, the sky of described denitrating system exhaust pass and steam generator system
Pre- device entrance connect it is characterised in that: set gradually guide vane (6), whole in described scr Benitration reactor (1) from top to bottom
Stream grid (7) and scr denitration catalyst oxidant layer (8), arrange ammonia Removal of catalyst layer below described scr denitration catalyst oxidant layer (8)
(9)；Described denitrating system gas approach includes horizontal flue (3) and vertical gas pass (4), sets in described denitrating system gas approach
Put pre-dedusting device, described pre-dedusting device include being fixed on horizontal flue (3) top inclination dedusting plate (5), be fixed on vertical
The horizontal dedusting plate (10) of straight flue (4) side and the dust arrester (11) being arranged on vertical gas pass (4) bottom.
2. a kind of new scr denitrification apparatus according to claim 1 it is characterised in that: setting in described vertical gas pass (4)
Ammonia-spraying grid (12).
3. a kind of new scr denitrification apparatus according to claim 1 it is characterised in that: scr Benitration reactor sets on (1)
Put soot blower, described soot blower include being arranged on the outside air compressor (13) of described scr Benitration reactor (1) and
House steward (14) that described air compressor (13) connects and be arranged on scr denitration catalyst oxidant layer (8) and ammonia Removal of catalyst
The main (15) that layer (9) top is connected with described house steward, described main (15) is vertically arranged multiple and described main (15) even
Logical arm (16), described arm (16) bottom arranges multiple steam vents (17).
4. a kind of new scr denitrification apparatus according to claim 3 it is characterised in that: install in described steam vent (17)
Blowing nozzle (18), described blowing nozzle (18) bottom is spherical structure, and described spherical structure arranges multiple gas holes (19).
5. a kind of new scr denitrification apparatus according to claim 1 it is characterised in that: described scr denitration catalyst oxidant layer
And the structure of ammonia Removal of catalyst layer (9) is honeycomb fashion, board-like or corrugated (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620939461.XU CN205914019U (en) | 2016-08-25 | 2016-08-25 | Novel SCR denitration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620939461.XU CN205914019U (en) | 2016-08-25 | 2016-08-25 | Novel SCR denitration device |
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| Publication Number | Publication Date |
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| CN205914019U true CN205914019U (en) | 2017-02-01 |
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| CN201620939461.XU Active CN205914019U (en) | 2016-08-25 | 2016-08-25 | Novel SCR denitration device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994302A (en) * | 2017-05-03 | 2017-08-01 | 江苏天楹环保能源成套设备有限公司 | A kind of new and effective SCR denitration system |
| CN108654368A (en) * | 2018-06-15 | 2018-10-16 | 苏州西热节能环保技术有限公司 | Combustion gas SCR denitration module and the method for reducing combustion gas SCR denitration resistance |
| CN109499358A (en) * | 2018-12-26 | 2019-03-22 | 福建龙净脱硫脱硝工程有限公司 | Flue gas mixing heat riser and middle low temperature SCR denitration system |
| CN109821414A (en) * | 2019-03-29 | 2019-05-31 | 国电环境保护研究院有限公司 | A kind of Benitration reactor accumulatingdust device and Benitration reactor system |
| CN110090552A (en) * | 2019-04-04 | 2019-08-06 | 华电电力科学研究院有限公司 | A kind of SCR denitration sprays ammonia automatically and optimizes and revises system and its method of adjustment |
| CN110201533A (en) * | 2019-04-26 | 2019-09-06 | 华电电力科学研究院有限公司 | A kind of clear ash exhauster of SCR denitration system catalyst and its working method |
| CN110548393A (en) * | 2019-08-12 | 2019-12-10 | 华电电力科学研究院有限公司 | Anti-fouling soot blowing device for preventing abrasion of SCR denitration ammonia injection grid and catalyst soot deposition blockage and working method thereof |
| CN110548394A (en) * | 2019-08-12 | 2019-12-10 | 华电电力科学研究院有限公司 | Ash blocking and blocking preventing device for preventing deposition of SCR denitration system and abrasion of catalyst and working method of ash blocking and blocking preventing device |
| CN113117516A (en) * | 2019-12-31 | 2021-07-16 | 中国石油化工股份有限公司 | SCR denitration reactor with ash removal device |
| CN116764435A (en) * | 2023-08-17 | 2023-09-19 | 山西毅诚科信科技有限公司 | Flue gas SCR denitration mixing reaction device |
| CN109821414B (en) * | 2019-03-29 | 2024-04-26 | 国电环境保护研究院有限公司 | Denitration reactor prevents deposition device and denitration reactor system |
-
2016
- 2016-08-25 CN CN201620939461.XU patent/CN205914019U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994302A (en) * | 2017-05-03 | 2017-08-01 | 江苏天楹环保能源成套设备有限公司 | A kind of new and effective SCR denitration system |
| CN108654368A (en) * | 2018-06-15 | 2018-10-16 | 苏州西热节能环保技术有限公司 | Combustion gas SCR denitration module and the method for reducing combustion gas SCR denitration resistance |
| CN109499358A (en) * | 2018-12-26 | 2019-03-22 | 福建龙净脱硫脱硝工程有限公司 | Flue gas mixing heat riser and middle low temperature SCR denitration system |
| CN109821414A (en) * | 2019-03-29 | 2019-05-31 | 国电环境保护研究院有限公司 | A kind of Benitration reactor accumulatingdust device and Benitration reactor system |
| CN109821414B (en) * | 2019-03-29 | 2024-04-26 | 国电环境保护研究院有限公司 | Denitration reactor prevents deposition device and denitration reactor system |
| CN110090552B (en) * | 2019-04-04 | 2024-01-23 | 华电电力科学研究院有限公司 | SCR denitration automatic ammonia injection optimization adjustment system and adjustment method thereof |
| CN110090552A (en) * | 2019-04-04 | 2019-08-06 | 华电电力科学研究院有限公司 | A kind of SCR denitration sprays ammonia automatically and optimizes and revises system and its method of adjustment |
| CN110201533A (en) * | 2019-04-26 | 2019-09-06 | 华电电力科学研究院有限公司 | A kind of clear ash exhauster of SCR denitration system catalyst and its working method |
| CN110201533B (en) * | 2019-04-26 | 2024-01-23 | 华电电力科学研究院有限公司 | SCR denitration system catalyst ash removal and discharge device and working method thereof |
| CN110548393A (en) * | 2019-08-12 | 2019-12-10 | 华电电力科学研究院有限公司 | Anti-fouling soot blowing device for preventing abrasion of SCR denitration ammonia injection grid and catalyst soot deposition blockage and working method thereof |
| CN110548394A (en) * | 2019-08-12 | 2019-12-10 | 华电电力科学研究院有限公司 | Ash blocking and blocking preventing device for preventing deposition of SCR denitration system and abrasion of catalyst and working method of ash blocking and blocking preventing device |
| CN113117516A (en) * | 2019-12-31 | 2021-07-16 | 中国石油化工股份有限公司 | SCR denitration reactor with ash removal device |
| CN116764435B (en) * | 2023-08-17 | 2023-11-03 | 山西毅诚科信科技有限公司 | Flue gas SCR denitration mixing reaction device |
| CN116764435A (en) * | 2023-08-17 | 2023-09-19 | 山西毅诚科信科技有限公司 | Flue gas SCR denitration mixing reaction device |
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Address after: No. 85, Songshan South Road, Zhengzhou, Henan 450001 Co-patentee after: Henan jiuyu enpai Power Technology Co., Ltd Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID HENAN ELECTRIC POWER Co. Co-patentee after: State Grid Corporation of China Address before: 450052 No. 85 South Songshan Road, Henan, Zhengzhou Co-patentee before: HENAN ENPAI HIGH-TECH GROUP Co.,Ltd. Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID HENAN ELECTRIC POWER Co. Co-patentee before: State Grid Corporation of China |
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