CN108298459A - Lift SCR catalyst situ regeneration is equipped - Google Patents
Lift SCR catalyst situ regeneration is equipped Download PDFInfo
- Publication number
- CN108298459A CN108298459A CN201810228999.3A CN201810228999A CN108298459A CN 108298459 A CN108298459 A CN 108298459A CN 201810228999 A CN201810228999 A CN 201810228999A CN 108298459 A CN108298459 A CN 108298459A
- Authority
- CN
- China
- Prior art keywords
- scr catalyst
- component
- lift
- lifting assembly
- situ regeneration
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
-
- 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
-
- 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
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Abstract
The invention discloses a kind of lift SCR catalyst situ regeneration equipments, it include the fixing support rack docked with SCR catalyst real-world effectiveness station, fixing support rack bottom end is equipped with liquid storage component, the conveying lifting assembly that can be extended in liquid storage component is equipped in fixing support rack, conveying lifting assembly bottom end is equipped with flushes component for flush reaction station SCR catalyst, conveys on lifting assembly in flushing component above equipped with the heating lifting assembly for being heated to SCR catalyst.The equipment has the advantages that simple and compact for structure, the period is short, expense is low, workload is small, can improve reproduction quality.
Description
Technical field
The invention mainly relates to filed of flue gas purification more particularly to a kind of lift SCR catalyst situ regeneration to equip.
Background technology
In recent years, being increasingly stringenter for discharged nitrous oxides standard with the reduction of China's environmental carrying capacity and country,
The emission reduction of nitrogen oxides is increasing.Coal-burning power plant controls before being broadly divided into generation to the emission control of nitrogen oxides at present
It is controlled with after generation, being controlled before generating mainly has low-NO_x combustion technology and reburning technology, is controlled after generation and is broadly divided into dry method
And wet method.It is controlled after the burning of coal-burning power plant of China mainly using the selective catalytic reduction (Selective in dry method
Catalytic Reduction, SCR) it is applied in flue gas denitrification system.In the big of the countries and regions such as Japan, Europe and the U.S.
Most power plant are substantially all using the technology.
SCR denitration principle is that NOx is reduced into air under certain condition to the restoring function of nitrogen oxides using ammonia
The nitrogen and water not polluted, SCR is to apply a kind of most, the most ripe and most fruitful denitrating flue gas skill in the world at present
Art, secondary pollution is small, and purification efficiency is high.But wherein catalyst because superficial dust block, poisoning, abrasion cause its service life general
It is 3 ~ 5 years, and catalyst is of high cost, therefore uses the method for catalyst regeneration activation to reducing the operating cost of SCR system very
It is necessary to.
Currently, the regeneration method of coal-burning power plant's SCR denitration is to move away from SCR catalyst module to send to regeneration factory
Family carries out regeneration SCR catalyst module the overturning of regularity, due to catalyst module volume weight in service sink and regenerated reactor
Amount is all relatively large, while catalyst wall is relatively thin, is not suitable for agitation or carrying using strength, and existing SCR denitration is urged in addition
Agent regeneration separately designs and manufactures related device for each flow mostly, leads to existing SCR denitration regenerating unit
Floor space is excessive, expends construction fund.Moreover, because the continuity of regeneration technology, needs SCR denitration to be regenerated
Module is moved another device to from a device and is repeatedly carried, and in the handling process, SCR denitration to be regenerated is easily caused to urge
The damage of agent module, to influence reproduction quality.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide a kind of simple and compact for structure, period
It is short, expense is low, workload is small, can improve reproduction quality lift SCR catalyst situ regeneration equipment.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of lift SCR catalyst situ regeneration equipment includes the fixed support docked with SCR catalyst real-world effectiveness station
Frame, the fixing support rack bottom end are equipped with liquid storage component, and the conveying lifting that can be extended in liquid storage component is equipped in fixing support rack
Component, the conveying lifting assembly bottom end are equipped with the component that flushes for flushing reaction station SCR catalyst, the conveying lifting
Heating lifting assembly for being heated to SCR catalyst is equipped with above component in flushing on component.
As a further improvement of the above technical scheme：
The conveying lifting assembly includes hoist engine and crane, and the hoist engine is packed in the top in fixing support rack, volume
Machine is raised to connect with crane by steel wire rope, it is described to flush component setting in crane bottom end, the heating lifting assembly installation
On crane.
The crane includes upper transverse frame, lower transverse frame and munnion, and the upper transverse frame and lower transverse frame are connected and fixed by munnion,
The component that flushes is arranged on lower transverse frame, and the heating lifting assembly is mounted on upper transverse frame.
It is equipped with vertical guide sleeve on the upper transverse frame and lower transverse frame, is equipped in the fixing support rack and extends to liquid storage component
Interior vertical rail, the vertical guide sleeve are slidably installed on vertical rail.
The component that flushes includes flushing track and docking orbit, and the orbit distribution that flushes is opposite two in lower transverse frame
Side is simultaneously affixed with the vertical guide sleeve of corresponding side, and described docking orbit one end flushes track hinged, the other end and reacts station and docks
Or in vertical overturning to fixing support rack.
The heating lifting assembly includes expansion bracket and heater, and the expansion bracket is mounted on upper transverse frame bottom, described to add
Hot device is mounted on expansion bracket bottom.
The fixing support rack includes outer support frame and inner support frame, the outer support frame and SCR catalyst real-world effectiveness
Station fixes docking, and the inner support frame is fixed in outer support frame, and the liquid storage component setting is described in interior support frame bottom
Vertical rail is mounted on the inside of inner support frame, and the hoist engine is packed in the top in inner support frame, and the inner support frame is in docking
Position is equipped with the open and close door for docking orbit overturning.
The fixing support rack and SCR catalyst real-world effectiveness station are equipped with for driving SCR catalyst edge to flush component
The traction cucurbit of translation.
The liquid storage component includes liquid reserve tank, and the liquid reserve tank side is arranged with inlet and leakage fluid dram with bottom.
It is equipped with anti-collision net close to the position of bottom in the liquid reserve tank, is installed with and stirs below anti-collision net in the liquid reserve tank
Mix device.
Compared with the prior art, the advantages of the present invention are as follows：
The lift SCR catalyst situ regeneration equipment of the present invention, in use, filling clear water in liquid storage component, will react work
The SCR catalyst of position moves to flushing on component in fixing support rack, starts conveying lifting assembly drive and flushes on component
SCR catalyst declines, and SCR catalyst is made to be soaked in the liquid phase of liquid storage component, is attached to the intractable product on SCR catalyst surface
Dirt is loose fall off after, start conveying lifting assembly drive the reciprocal elevating movement of SCR catalyst so that loose dust accumulation obtains clearly
It washes, after the completion of cleaning, starts conveying lifting assembly and SCR catalyst is driven to be promoted to original position, start heating lifting assembly and fall
To SCR catalyst, heating function is opened, SCR catalyst bulk temperature is made to reach 120 DEG C, if being related to multiple SCR catalysis
Agent module is then completed to clean and dry SCR catalyst original road is returned to reaction station and temporarily parks, repeats the above-mentioned complete institute of action
There are the cleaning and drying of SCR catalyst module, then liquid storage component ontology carries out blowdown and cleaning, then fills activating solution to liquid storage
In component, it will complete to clean and dry SCR catalyst be soaked in the activating solution of liquid storage component and carry out activating and regenerating, then open
Dynamic conveying lifting assembly drives SCR catalyst to be promoted to original position, starts heating lifting assembly and falls to SCR catalyst,
Heating function is opened, so that SCR catalyst bulk temperature is reached 550 DEG C and roasting solidification is carried out to catalyst activity substance, it then, will
Roast cured SCR catalyst original road be returned to reaction station reused.For traditional structure, regeneration equipment can be real
Existing SCR catalyst scene ortho position translates regeneration effect, need not repeatedly carry, with the period is short, expense is low, workload is small
Advantage；And the damage problem that can prevent multiple carry strap from coming, improves reproduction quality；Due to showing for itself or a kind of lift
Field regeneration equipment, takes full advantage of upper space, simple and compact for structure, reduces floor space.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is the A of Fig. 1 to structural schematic diagram.
Fig. 3 is the use state diagram of the present invention（SCR catalyst translates feed status）.
Fig. 4 is the use state diagram of the present invention（SCR catalyst soaking state）.
Each label indicates in figure：
1, fixing support rack；11, outer support frame；12, inner support frame；121, open and close door；2, liquid storage component；21, liquid reserve tank；211、
Inlet；212, leakage fluid dram；22, anti-collision net；23, blender；3, lifting assembly is conveyed；31, hoist engine；32, crane；321、
Upper transverse frame；322, lower transverse frame；323, munnion；324, vertical guide sleeve；4, component is flushed；41, track is flushed；42, docking orbit；5、
Heat lifting assembly；51, expansion bracket；52, heater；6, rail is found；7, cucurbit is drawn.
Specific implementation mode
The present invention is described in further details below with reference to Figure of description and specific embodiment.
Fig. 1 to Fig. 4 shows a kind of embodiment of lift SCR catalyst situ regeneration of the present invention equipment, including with SCR
The fixing support rack 1 of catalyst real-world effectiveness station docking, 1 bottom end of fixing support rack are equipped with liquid storage component 2, fixing support rack 1
Interior to be equipped with the conveying lifting assembly 3 that extended in liquid storage component 2,3 bottom end of conveying lifting assembly is equipped with for flushing reaction station
SCR catalyst flushes component 4, conveys on lifting assembly 3 in flushing component 4 above equipped with for being heated to SCR catalyst
Heat lifting assembly 5.In use, filling clear water in liquid storage component 2, the SCR catalyst for reacting station is moved into fixed branch
Flushing on component 4 in support 1 starts conveying lifting assembly 3 and the SCR catalyst flushed on component 4 is driven to decline, SCR is made to urge
Agent is soaked in the liquid phase of liquid storage component 2, be attached to SCR catalyst surface intractable dust accumulation it is loose fall off after, start it is defeated
Lifting assembly 3 is sent to drive the reciprocal elevating movement of SCR catalyst so that loose dust accumulation is cleaned, and after the completion of cleaning, is started defeated
It send lifting assembly 3 that SCR catalyst is driven to be promoted to original position, starts heating lifting assembly 5 and fall to SCR catalyst, open
Heating function is opened, SCR catalyst bulk temperature is made to reach 120 DEG C, if being related to multiple SCR catalyst modules, completes to clean
It is returned to reaction station with dry SCR catalyst original road temporarily to park, repeats the above-mentioned complete all SCR catalyst modules of action
Cleaning and dry, then 2 ontology of liquid storage component progress blowdown and cleaning, then fill in activating solution to liquid storage component 2, it will complete clear
The SCR catalyst washed and dried, which is soaked in the activating solution of liquid storage component 2, carries out activating and regenerating, then starts conveying lifting assembly
3 drive SCR catalysts are promoted to original position, start heating lifting assembly 5 and fall to SCR catalyst, open heating function,
So that SCR catalyst bulk temperature is reached 550 DEG C and roasting solidification is carried out to catalyst activity substance, then, cured SCR will be roasted
Catalysagen road is returned to reaction station and is reused.For traditional structure, regeneration equipment can realize that SCR catalyst is existing
Field ortho position translates regeneration effect, need not repeatedly carry, have the advantages that the period is short, expense is low, workload is small；And it can prevent
The damage problem that only multiple carry strap is come, improves reproduction quality；Since the situ regeneration of itself or a kind of lift is equipped, fill
Divide and upper space is utilized, it is simple and compact for structure, reduce floor space.
In the present embodiment, conveying lifting assembly 3 includes hoist engine 31 and crane 32, and hoist engine 31 is packed in fixed support
Top in frame 1, hoist engine 31 are connect by steel wire rope with crane 32, flush the setting of component 4 in 32 bottom end of crane, heating
Lifting assembly 5 is mounted on crane 32.In the structure, start hoist engine 31, hoist engine 31 drives crane by steel wire rope
32 oscilaltions, the drive of crane 32 flushes component 4 and heating 5 synchronization lifting of lifting assembly, to realize the liter of SCR catalyst
Drop ensure that SCR catalyst by reaction station to the reciprocal transportation path for regenerating station.
In the present embodiment, crane 32 includes upper transverse frame 321, lower transverse frame 322 and munnion 323, upper transverse frame 321 and lower transverse frame
322 are connected and fixed by munnion 323, are flushed component 4 and are arranged on lower transverse frame 322, and heating lifting assembly 5 is mounted on upper transverse frame
On 321.In the structure, upper transverse frame 321 and lower transverse frame 322 are connected and fixed to form whole frame structure, structure by munnion 323
Simple and stable forms hollow out in centre, is moved to convenient for SCR catalyst and flush component 4, also ensure the fortune of heating lifting assembly 5
Row space is filled and space is utilized, and design is very ingenious.
In the present embodiment, it is equipped with vertical guide sleeve 324 on upper transverse frame 321 and lower transverse frame 322, is installed in fixing support rack 1
There are the vertical rail 6 extended in liquid storage component 2, vertical guide sleeve 324 to be slidably installed on vertical rail 6.The vertical guide sleeve 324 and vertical rail 6 it is mating
Use, ensure that the linear of 32 integral elevating of crane, will not raw rotation, offset, collision phenomenon, improve integral elevating
Stability.
In the present embodiment, it includes flushing track 41 and docking orbit 42 to flush component 4, flushes track 41 and is distributed in lower transverse frame
Opposite both sides and affixed with the vertical guide sleeve 324 of corresponding side in 322, it is hinged, another that 42 one end of docking orbit flushes track 41
It holds and reacts in station docking or vertical overturning to fixing support rack 1.In the structure, flushes track 41 and be packed in lower transverse frame 322
On, the SCR catalyst to come for carrying translation, while also ensuring the smoothness of SCR catalyst translation, and docking orbit 42
It mainly plays and flushes track 41 and react the function served as bridge between station, do not influenced again when overturning to fixing support rack 1
Two station normal operations.
In the present embodiment, heating lifting assembly 5 includes expansion bracket 51 and heater 52, and expansion bracket 51 is mounted on upper transverse frame
321 bottoms, heater 52 are mounted on 51 bottom of expansion bracket.The expansion bracket 51 is for driving heater 52 back and forth to lift, when decline
Heater 52 can be sent to SCR catalyst, improve the efficiency of heating surface；Energy heater 52 is sent to far from liquid storage component 2 when rising
Position, prevent heater 52 from touching water.
In the present embodiment, fixing support rack 1 includes outer support frame 11 and inner support frame 12, and outer support frame 11 and SCR is catalyzed
Agent real-world effectiveness station fixes docking, and inner support frame 12 is fixed in outer support frame 11, and liquid storage component 2 is arranged in inner support frame 12
Bottom, stands the inside that rail 6 is mounted on inner support frame 12, and hoist engine 31 is packed in the top in inner support frame 12, inner support frame 12
It is equipped with the open and close door 121 overturn for docking orbit 42 in docking position.In the structure, the master of the structure as a whole of outer support frame 11
Support element, inner support frame 12 form the installation foundation of internal each component, and open and close door 121 is used to avoid docking orbit 42 and closing is turned over
Transit ensures that two stations are independent of each other.
In the present embodiment, fixing support rack 1 and SCR catalyst real-world effectiveness station are equipped with for driving SCR catalyst edge
Flush the traction cucurbit 7 of the translation of component 4.When the traction cucurbit 7 of both sides acts respectively, realize that SCR catalyst is flat from reaction station
It moves to and flushes on component 4, or realize that SCR catalyst moves to reaction station from component 4 is flushed.
In the present embodiment, liquid storage component 2 includes liquid reserve tank 21,21 side of liquid reserve tank and bottom be arranged with inlet 211 and
Leakage fluid dram 212.It in the structure, fills from inlet 211 when clear water and activating solution, is discharged from leakage fluid dram 212.
In the present embodiment, it is equipped with anti-collision net 22 close to the position of bottom in liquid reserve tank 21, liquid reserve tank 21 is interior in anti-collision net 22
Lower section is installed with blender 23.The design of the anti-collision net 22 can play buffering effect, for preventing lower transverse frame 322 from declining position
When with 21 bottom of liquid reserve tank formed rigid collision；And blender 23 is then used to be stirred when draining, and so that dirty dirt is stirred and raises
It rises, prevents its attachment.
Although the present invention is disclosed as above with preferred embodiment, however, it is not intended to limit the invention.It is any to be familiar with ability
The technical staff in domain, without deviating from the scope of the technical scheme of the present invention, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications, or is revised as the equivalent embodiment of equivalent variations.Therefore, every
Without departing from the content of technical solution of the present invention, according to the present invention technical spirit any simple modification made to the above embodiment,
Equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (10)
1. a kind of lift SCR catalyst situ regeneration equipment, it is characterised in that：Including with SCR catalyst real-world effectiveness station
The fixing support rack of docking（1）, the fixing support rack（1）Bottom end is equipped with liquid storage component（2）, fixing support rack（1）Inside it is equipped with
Liquid storage component can be extended to（2）Interior conveying lifting assembly（3）, the conveying lifting assembly（3）Bottom end is equipped with for flushing reaction
Station SCR catalyst flushes component（4）, the conveying lifting assembly（3）On in flushing component（4）Top be equipped with for pair
The heating lifting assembly of SCR catalyst heating（5）.
2. lift SCR catalyst situ regeneration equipment according to claim 1, it is characterised in that：The conveying lifting
Component（3）Including hoist engine（31）And crane（32）, the hoist engine（31）It is packed in fixing support rack（1）Interior top,
Hoist engine（31）Pass through steel wire rope and crane（32）Connection, it is described to flush component（4）It is arranged in crane（32）Bottom end, it is described
Heat lifting assembly（5）Mounted on crane（32）On.
3. lift SCR catalyst situ regeneration equipment according to claim 2, it is characterised in that：The crane
（32）Including upper transverse frame（321）, lower transverse frame（322）And munnion（323）, the upper transverse frame（321）And lower transverse frame（322）By perpendicular
Frame（323）It is connected and fixed, it is described to flush component（4）It is arranged in lower transverse frame（322）On, the heating lifting assembly（5）It is mounted on
Upper transverse frame（321）On.
4. lift SCR catalyst situ regeneration equipment according to claim 3, it is characterised in that：The upper transverse frame
（321）And lower transverse frame（322）On be equipped with vertical guide sleeve（324）, the fixing support rack（1）It is inside equipped with and extends to liquid storage component
（2）Interior vertical rail（6）, the vertical guide sleeve（324）It is slidably installed in vertical rail（6）On.
5. lift SCR catalyst situ regeneration equipment according to claim 4, it is characterised in that：It is described to flush component
（4）Including flushing track（41）And docking orbit（42）, described to flush track（41）It is distributed in lower transverse frame（322）Interior opposite two
Side and vertical guide sleeve with corresponding side（324）It is affixed, the docking orbit（42）One end flushes track（41）The hinged, other end with
Station docking or vertical overturning are reacted to fixing support rack（1）It is interior.
6. lift SCR catalyst situ regeneration equipment according to claim 5, it is characterised in that：The heating lifting
Component（5）Including expansion bracket（51）And heater（52）, the expansion bracket（51）Mounted on upper transverse frame（321）Bottom, it is described to add
Hot device（52）Mounted on expansion bracket（51）Bottom.
7. lift SCR catalyst situ regeneration equipment according to claim 6, it is characterised in that：The fixed support
Frame（1）Including outer support frame（11）And inner support frame（12）, the outer support frame（11）It is solid with SCR catalyst real-world effectiveness station
Fixed docking, the inner support frame（12）It is fixed on outer support frame（11）It is interior, the liquid storage component（2）It is arranged in inner support frame（12）
Bottom, the vertical rail（6）Mounted on inner support frame（12）Inside, the hoist engine（31）It is packed in inner support frame（12）Interior
Top, the inner support frame（12）It is equipped in docking position and is used for docking orbit（42）The open and close door of overturning（121）.
8. lift SCR catalyst situ regeneration equipment according to any one of claim 1 to 7, it is characterised in that：Institute
State fixing support rack（1）It is equipped with SCR catalyst real-world effectiveness station for driving SCR catalyst edge to flush component（4）Translation
Traction cucurbit（7）.
9. lift SCR catalyst situ regeneration equipment according to any one of claim 1 to 7, it is characterised in that：Institute
State liquid storage component（2）Including liquid reserve tank（21）, the liquid reserve tank（21）Side is arranged with inlet with bottom（211）And leakage fluid dram
（212）.
10. lift SCR catalyst situ regeneration equipment according to claim 9, it is characterised in that：The liquid reserve tank
（21）The position of interior close bottom is equipped with anti-collision net（22）, the liquid reserve tank（21）It is interior in anti-collision net（22）Lower section is installed with stirring
Device（23）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810228999.3A CN108298459B (en) | 2018-03-20 | 2018-03-20 | Lifting type SCR catalyst on-site regeneration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810228999.3A CN108298459B (en) | 2018-03-20 | 2018-03-20 | Lifting type SCR catalyst on-site regeneration equipment |
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| Publication Number | Publication Date |
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| CN108298459A true CN108298459A (en) | 2018-07-20 |
| CN108298459B CN108298459B (en) | 2023-06-30 |
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ID=62848646
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810228999.3A Active CN108298459B (en) | 2018-03-20 | 2018-03-20 | Lifting type SCR catalyst on-site regeneration equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442986A (en) * | 2018-12-26 | 2019-03-08 | 北京国电龙源环保工程有限公司 | SCR denitration high-efficient roasting equipment and its remodeling method |
| CN112044475A (en) * | 2020-09-29 | 2020-12-08 | 宁波锦瑄环保科技有限公司 | Preparation method of low-temperature SCR denitration catalyst |
| CN112090452A (en) * | 2020-09-29 | 2020-12-18 | 宁波锦瑄环保科技有限公司 | Low temperature SCR denitration catalyst processing preparation system |
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