CN108786443A - A kind of low-temperature circulating regeneration denitration catalyst device - Google Patents
A kind of low-temperature circulating regeneration denitration catalyst device Download PDFInfo
- Publication number
- CN108786443A CN108786443A CN201810603921.5A CN201810603921A CN108786443A CN 108786443 A CN108786443 A CN 108786443A CN 201810603921 A CN201810603921 A CN 201810603921A CN 108786443 A CN108786443 A CN 108786443A
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- reaction chamber
- catalyst
- collecting tank
- reaction
- hole
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- 239000003054 catalyst Substances 0.000 title claims abstract description 94
- 230000008929 regeneration Effects 0.000 title description 12
- 238000011069 regeneration method Methods 0.000 title description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 154
- 238000000227 grinding Methods 0.000 claims abstract description 68
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000001105 regulatory effect Effects 0.000 claims abstract description 33
- 239000000428 dust Substances 0.000 claims description 28
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 22
- 239000008187 granular material Substances 0.000 claims description 16
- 230000004888 barrier function Effects 0.000 claims description 11
- 229910021529 ammonia Inorganic materials 0.000 claims description 8
- 238000006555 catalytic reaction Methods 0.000 claims description 7
- 230000001788 irregular Effects 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- 239000000376 reactant Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 2
- 239000000356 contaminant Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 6
- 239000003546 flue gas Substances 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 31
- 239000002956 ash Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 230000003197 catalytic effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
-
- 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
- B01D53/88—Handling or mounting catalysts
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Abstract
The invention belongs to Industrial Boiler waste flue gas denitration technical fields more particularly to a kind of low-temperature circulating to regenerate denitration catalyst device, including reaction chamber, collecting tank, conduit, circulating pump, catalyst reaction device, rotating device, grinding device and transmission device；Air inlet one, exhaust outlet, the first ash hole and air inlet two are provided on reaction chamber；Air inlet one is located on the left side outer wall of reaction chamber；Exhaust outlet is located in reaction chamber outer right wall；First ash port is located at reaction chamber bottom；Air inlet two is located at the top of air inlet one；Collecting tank is located on the left of reaction chamber；Conduit is located on the left of collecting tank, and conduit is connected with reaction chamber and collecting tank respectively；Circulating pump is located in conduit；Catalyst reaction device is located in reaction chamber；Rotating device is located in reaction chamber, and rotating device is located at below catalyst reaction device；Grinding device is located in reaction chamber, and grinding device is located at below rotating device；Transmission device is located in reaction chamber, and transmission device is located at below regulating wheel.
Description
Technical field
The invention belongs to Industrial Boiler waste flue gas denitration technical fields more particularly to a kind of low-temperature circulating to regenerate denitration catalyst
Device.
Background technology
With the development of industry, coal in China dosage increasingly increases, and even more from 2011, Chinese coal production is more than
3,500,000,000 tons, account for the half in the whole world.While consuming coal resources, a large amount of SO2, NOx for impairing human body is produced, and
Greenhouse effects, acid rain caused by SO2, NOx have become asking for the consistent concern of society at present with environmental pollutions such as depletions of the ozone layer
Topic.The research of the technology of various control atmosphere pollutions has become the most pressing mission of various countries environmental worker.Boiler smoke is controlled
It manages since 1998 claim to dedusting, the process after desulphurization and denitration to PM2.5, it is desirable that it is increasingly strict, especially
Denitrating flue gas is at the early-stage at present.Currently, the prevailing technology of various countries' industry pot (kiln) stove flue gas desulphurization and denitration is to utilize selection
Property reduction (SCR) technology by the method for the removal of nitrogen oxide in flue gas.Selective reduction method is using ammonia (NH3) to NOx
NOx is reduced to do not have the N2 of pollution effect to air using catalyst action by restoring function under conditions of 320~400 DEG C
And water, " selectivity " are meant that ammonia only selects NOx to carry out reduction reaction.The technique is in late 1970s first in day
Originally it succeeds in developing, after the eighties and the nineties, Europe and the U.S. put into commercial Application in succession, worldwide become
The prevailing technology of large scale industry denitration of boiler smoke.
SCR system is made of ammonia supply system, ammonia/air-injection system, catalytic reaction system and control system etc.,
Catalytic reaction system is the core of SCR techniques, and the blow device of nozzle and flyash equipped with NH3, flue gas enters along flue
The SCR reactors of catalyst are loaded with, NOx is reduced into N2 with NH3 on the surface of catalyst.Although SCR technology is instantly de-
The mainstream technology of nitre, but the technology needs to be transformed boiler, needs hot environment, and high temperature denitrating catalyst poisoning report
Dangerous waste processing must also be carried out after useless, mirror above problem country correlative technology field also gives some solutions, such as applies
A kind of low-temperature circulating regenerates denitration catalyst device, including catalysis disclosed in a Chinese patent number for 201510017591.8
Tower, catalytic tower tower body side are provided with smoke inlet, and the other side is provided with outlet flue, and the low-temperature circulating regenerates denitration catalyst
Device further includes catalyst regeneration device and conveying device；Catalyst reaction equipment, poison guard catalyst are provided in the catalytic tower
Agent drawing mechanism and regenerated catalyst feeding equipment；The catalyst regeneration device includes poisoned catalyst feeding equipment, regeneration
Processing unit and regenerated catalyst drawing mechanism, the regenerated catalyst feeding equipment pass through the conveying device and the regeneration
Catalyst drawing mechanism is connected.The device solves the above problem to a certain extent, but the dust that the device generates is easy to inhale
It is attached on bolter, and the device is bad to the grinding effect of poisoned catalyst, cannot effectively remove poisoned catalyst surface
Conversion zone, while exhaust gas may will produce deposition when entering the device, will not be completely into being reacted in catalytic tower.
In consideration of it, a kind of low-temperature circulating regeneration denitration catalyst device of the present invention these can be asked with effective solution
Topic, meanwhile, production efficiency can also be greatly improved in the present invention, accelerate rhythm of production.
Invention content
In order to make up for the deficiencies of the prior art, a kind of low-temperature circulating proposed by the present invention regenerates denitration catalyst device, logical
The flowing velocity that exhaust gas is accelerated while the exhaust gas in reaction chamber is delivered to catalyst reaction device will be entered by crossing rotating device, be added
The fast catalytic denitration of exhaust gas.The present invention can be effectively by poisoned catalyst surface with grinding wheel by the regulating wheel of grinding device
Conversion zone removal；The present invention is coordinated the dust in reaction chamber very by conveyer belt, belt wheel and the drive block in transmission device
Good discharge reaction unit, avoids remaining.
The technical solution adopted by the present invention to solve the technical problems is：A kind of low-temperature circulating regeneration of the present invention is de-
Nitre catalytic unit, including reaction chamber, collecting tank, conduit, circulating pump, catalyst reaction device, rotating device, grinding device and transmission
Device；Air inlet one, exhaust outlet, the first ash hole and air inlet two are provided on the reaction chamber；The air inlet one is located at
The left side of reaction chamber, air inlet one is for being passed through pending exhaust gas into reaction chamber；The exhaust outlet is located on the right side of reaction chamber,
Exhaust outlet is used to handle gas discharge up to standard；First ash port is located at reaction chamber bottom, and the first ash hole is used for will
Reaction chamber is discharged in dust in reaction chamber；The air inlet two is located at one top of air inlet, and air inlet two is used for into reaction chamber
It is passed through ammonia；The collecting tank is located on the left of reaction chamber, and collecting tank is connected with reaction chamber, and collecting tank is for collecting regeneration catalyzing
Agent；The conduit is located on the left of collecting tank, and conduit is connected with reaction chamber and collecting tank respectively, and conduit is used for will be in collecting tank
Regenerated catalyst is transported in reaction chamber；The circulating pump is located in conduit；The catalyst reaction device is located in reaction chamber, urges
Change reaction unit and be located at two top of air inlet, catalyst reaction device is reticular structure, and catalyst reaction device for reactant for carrying
For reaction environment；The rotating device is located at right side in reaction chamber, and rotating device is located at below catalyst reaction device, rotating device
For pending exhaust gas to be delivered to catalyst reaction device；The grinding device is located in reaction chamber, and grinding device is located at rotation
Below rotary device, grinding device is used to remove the conversion zone of reacted catalyst surface, obtains regenerated catalyst；The biography
Device is sent to be located in reaction chamber, transmission device is located at below regulating wheel, and transmission device level runs through reaction chamber, transmission device left side
It is in contact with collecting tank, transmission device is for regenerated catalyst to be delivered in collecting tank.
Preferably, the rotating device includes turntable, strut, shift plate, motor one, positioning disk, clump weight, strainer and blocking
Plate；The turntable is cylinder, and turntable is internally provided with circular cavity, and turntable is provided with toroidal cavity in external peripheral surface, recessed
Slot is equipped with the hole of several connection circular cavities；Locating rod and positioning disk are additionally provided in the circular cavity, positioning disk passes through
Locating rod is mounted in circular cavity, and positioning disk is that a left side is the irregular cavity that semicircle right side is half elliptic,
It is circumferentially provided with slideway on positioning disk outer wall, positions clump weight built in pan bottom, the weight of clump weight is much larger than the weight of positioning disk
Amount；The shift plate quantity is identical as the quantity in the hole on circular cavity, and shift plate is circumferentially hinged in groove；The strainer is mounted on
The side of shift plate offers through-hole in shift plate, and strainer is for being filtered the granule foreign in exhaust gas；The barrier plate installation
On strainer, barrier plate is for making granule foreign stay in strainer；The strut quantity is corresponding with the quantity of shift plate, strut one
Hole on circular cavity is held to be connected with strainer, for the strut other end on the slideway of positioning disk outer wall, strut can be around
Slideway circumferentially slides, and strut is used for band electric filter and moves, and realizes the vibration of strainer；The motor one is fixed on reaction chamber, electricity
Machine one is for driving turntable to rotate.When work, motor one drives turntable rotation, and positioning disk is since the presence of clump weight is in circle
It being remained stationary as in shape cavity, for shift plate with strut as turntable rotates synchronously, strainer pushes exhaust gas to move upwards in rotation process,
Exhaust gas is discharged after filter screen from the through-hole of shift plate, to stay in the granule foreign in exhaust gas on strainer；During this,
Slideway sliding of the one end of strut while rotation on positioning disk on positioning disk, since strut lengths are constant, and
Positioning disk it is in irregular shape, strut enter right side half elliptic region when, so that strainer is shaken, between strainer and barrier plate
Granule foreign shaken off down, fall under gravity into the first ash hole, realize the collection of granule foreign, while turntable
Pending exhaust gas is routed up into catalyst reaction device by rotation.
Preferably, filter screen and the second ash hole are additionally provided on the collecting tank；The filter screen is located in collecting tank, mistake
Strainer is located at below conduit, is provided with through-hole on filter screen, the through-hole on filter screen can only cannot pass through regeneration by dust
Catalyst；Second ash hole, which is located at, collects pot bottom, the dust that the second ash hole is used to be discharged in collecting tank.When work,
Into the dust in collecting tank by filter screen filtration, filtered dust is discharged by the second ash hole.
Preferably, the grinding device includes grinding wheel, regulating wheel, belt and motor two；The grinding wheel quantity is several, grinding wheel
In reaction chamber, grinding wheel is for grinding poisoned catalyst；The regulating wheel quantity is several, and regulating wheel and grinding wheel are horizontally staggered point
Cloth, regulating wheel are fixed in reaction chamber, and regulating wheel is used to adjust the gap between grinding wheel and regulating wheel；If the belt quantity
Dry, belt is located at outside reaction chamber, and belt is for connecting grinding wheel；The motor two is fixed on reaction chamber, the output shaft of motor two
It is connected with grinding wheel, motor two is for driving grinding wheel to rotate.When work, motor two drives grinding wheel to be rotated together with belt, grinding wheel
The poisoned catalyst fallen between regulating wheel and grinding wheel is ground, the conversion zone on removal poisoned catalyst surface, regulating wheel
The distance between grinding wheel and regulating wheel are adjusted, the seam being regenerated catalyst through between regulating wheel and grinding wheel obtained after the completion is ground
Gap is fallen on transmission device.
Preferably, the transmission device includes conveyer belt, belt wheel and motor three；The conveyer belt is located in reaction chamber, passes
It send band for conveying regenerated catalyst, through-hole is further opened on conveyer belt, number of openings is several, and through-hole section upper end is under rectangle
End is trapezoidal, and through-hole is used for the discharge of dust；One piece of square plate is also hinged on the reaction chamber, square plate is located on conveyer belt
Side, square plate lower end are in contact with conveyer belt, and square plate is for separating reaction chamber and collecting tank, while square plate is convenient for regeneration catalyzing
Agent enters collecting tank；The belt wheel quantity is two, and belt wheel is located in reaction chamber, and rectangular recess, rectangular recess are additionally provided on belt wheel
Quantity is several, and rectangular recess is circumferentially distributed on belt wheel；Drive block is additionally provided on the rectangular recess, drive block passes through spring
It is connected with rectangular recess, the quantity of drive block and distribution are identical as rectangular recess, and drive block is used for the remnants' in through-hole
Dust is discharged；The motor three is fixed on reaction chamber, and motor three is rotated for driving pulley.When work, motor three rotates, and falls
Enter collecting tank by the square plate between reaction chamber and collecting tank under the action of the regenerated catalyst on transmission device is in belt,
The dust fallen on transmission device falls into reaction chamber bottom by the through-hole on belt and is discharged by the first ash hole；Belt wheel rotates
When, drive block enters in through-hole, and through-hole is discharged under the action of drive block in the dust remained in through-hole.
Beneficial effects of the present invention are as follows：
1. the present invention filters down realization by the way that rotating device is arranged, by the granule foreign entered in the exhaust gas in reaction chamber
It collects, while exhaust gas being accelerated to enter in catalyst reaction device, the deposition for realizing the filtering to exhaust gas, avoiding exhaust gas adds
Fast reaction speed so that reaction is more thorough, improves production efficiency.
2. the present invention, by the way that grinding device is arranged, by the way that regulating wheel and grinding wheel is arranged, regulating wheel can adjust grinding wheel and adjust
The distance between section wheel, can effectively remove the conversion zone on poisoned catalyst surface.
3. the present invention is by being arranged transmission device, the mutual cooperation of the conveyer belt of transmission device, belt wheel and drive block can be with
While regenerated catalyst is delivered in collecting tank, the dust in reaction chamber and collecting tank is sent to the first ash hole and the
Two ash holes are passing through the first ash hole and the discharge of the second ash hole.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the front view of the present invention；
Fig. 2 is the structural schematic diagram of the rotating device in Fig. 1；
Fig. 3 is that the strut of the present invention is mounted on the structural schematic diagram in sliding block；
Fig. 4 is the structural schematic diagram of the transmission device of the present invention；
Fig. 5 is the structural schematic diagram of medium plain emery wheel and belt of the present invention；
In figure：Reaction chamber 1, collecting tank 2, conduit 3, circulating pump 4, catalyst reaction device 5, rotating device 6, grinding device 7,
Transmission device 8, air inlet 1, exhaust outlet 12, the first ash hole 13, square plate 14, air inlet 2 15, filter screen 21, second go out
Grey mouth 22, turntable 61, strut 62, shift plate 63, positioning disk 64, clump weight 65, slideway 66, strainer 67, barrier plate 68, grinding wheel 71,
Regulating wheel 72, belt 73, conveyer belt 81, belt wheel 82, drive block 83.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Specific implementation mode is closed, the present invention is further explained.
As shown in Figures 1 to 5, a kind of low-temperature circulating regeneration denitration catalyst device of the present invention, including reaction chamber 1,
Collecting tank 2, conduit 3, circulating pump 4, catalyst reaction device 5, rotating device 6, grinding device 7 and transmission device 8；The reaction chamber
Air inlet 1, exhaust outlet 12, the first ash hole 13 and air inlet 2 15 are provided on 1；The air inlet 1 is located at reaction
On the left side outer wall of chamber 1, air inlet 1 is for being passed through pending exhaust gas；It is outer that the exhaust outlet 12 is located at 1 right side of reaction chamber
On wall, exhaust outlet 12 is used to handle gas discharge up to standard；First ash port is located at 1 bottom of reaction chamber, the first ash discharge
Mouth 13 by the dust in reaction chamber 1 for being discharged reaction chamber 1；The air inlet 2 15 is located at one 11 top of air inlet, air inlet
2 15 for being passed through ammonia into reaction chamber；The collecting tank 2 is located at 1 left side of reaction chamber, and collecting tank 2 is connected with reaction chamber 1,
Collecting tank 2 is for collecting regenerated catalyst；The conduit 3 is located at the left side of collecting tank 2, conduit 3 respectively with reaction chamber 1 and collecting tank
2 are connected, and conduit 3 is for the regenerated catalyst in collecting tank 2 to be transported in reaction chamber 1；The circulating pump 4 is located at conduit 3
It is interior；The catalyst reaction device 5 is located in reaction chamber 1, and catalyst reaction device 5 is located at 2 15 top of air inlet, catalysis reaction dress
It is reticular structure to set 5, and catalyst reaction device 5 is used to provide reaction environment for reactant；The rotating device 6 is located at reaction chamber 1
Interior, rotating device 6 is located at 5 lower section of catalyst reaction device, and rotating device 6 is used to pending exhaust gas being delivered to catalysis reaction dress
Set 5；The grinding device 7 is located in reaction chamber 1, and grinding device 7 is located at 6 lower section of rotating device, and grinding device 7 will be for that will react
The reactant of complete catalyst surface removes, and obtains regenerated catalyst；The transmission device 8 is located in reaction chamber 1, transmission device
8 are located at 72 lower section of regulating wheel, and transmission device 8 is horizontal to run through reaction chamber 1, and 8 left side of transmission device is in contact with collecting tank 2, transmits
Device 8 is for regenerated catalyst to be delivered in collecting tank 2.
As one embodiment of the present invention, the rotating device 6 includes turntable 61, strut 62, shift plate 63, motor
One, positioning disk 64, clump weight 65, strainer 67 and barrier plate 68；The turntable 61 is cylinder, and turntable 61 is internally provided with round sky
Chamber, turntable 61 are provided with toroidal cavity in external peripheral surface, and groove is equipped with the hole of several connection circular cavities；The circle
Locating rod and positioning disk 64 are additionally provided in shape cavity, positioning disk 64 is mounted on by locating rod in circular cavity, and positioning disk 64 is
One left side is the irregular cavity that semicircle right side is half elliptic, and slideway 66 is circumferentially provided on 64 outer wall of positioning disk,
Clump weight 65 built in 64 bottom of positioning disk, the weight of clump weight 65 are much larger than the weight of positioning disk 64；63 quantity of the shift plate with
The quantity in the hole on circular cavity is identical, and shift plate 63 is circumferential to be hinged in groove；The strainer 67 is mounted on the side of shift plate 63,
Through-hole is offered in shift plate 63, strainer 67 is for being filtered the granule foreign in exhaust gas；The barrier plate 68 is mounted on filter
On net 67, barrier plate 68 is for making granule foreign stay in strainer 67；62 quantity of the strut is corresponding with the quantity of shift plate 63,
62 one end of strut passes through the hole on circular cavity to be connected with strainer 67, and 62 other end of strut is mounted on the cunning of 64 outer wall of positioning disk
On road 66, strut 62 can be used for band electric filter 67 around the circumferential sliding of slideway 66, strut 62 and move, and realize the vibration of strainer 67；Institute
It states motor one to be fixed on reaction chamber 1, motor one is for driving turntable 61 to rotate.When work, motor one drives turntable 61 to rotate,
Positioning disk 64 is remained stationary as due to the presence of clump weight 65 in circular cavity, shift plate 63 and strainer 67 and strut 62 with
Turntable 61 rotates synchronously, and strainer 67 pushes exhaust gas to move upwards in rotation process, and exhaust gas is after filter screen 67 from shift plate 63
Through-hole is discharged, to stay in the granule foreign in exhaust gas on strainer 67；During this, position while rotation of strut 62
In one end on positioning disk 64, the slideway 66 on positioning disk 64 slides, since 62 length of strut is constant, and positioning disk 64
It is in irregular shape, when strut 62 enters right side half elliptic region, so that strainer 67 is shaken, between strainer 67 and barrier plate 68
Granule foreign shaken off down, fall under gravity into the first ash hole 13, realize the collection of granule foreign, while turntable
Pending exhaust gas is routed up into catalyst reaction device 5 by 61 rotation.
As one embodiment of the present invention, filter screen 21 and the second ash hole 22 are additionally provided on the collecting tank 2；Institute
It states filter screen 21 to be located in collecting tank 2, filter screen 21 is located at the lower section of conduit 3, is provided with through-hole on filter screen 21, on filter screen 21
Through-hole can only cannot pass through regenerated catalyst by dust；Second ash hole 22 is located at 2 bottom of collecting tank, and second goes out
The dust that grey mouth 22 is used to be discharged in collecting tank 2.It when work, is filtered, is filtered by filter screen 21 into the dust in collecting tank 2
Dust afterwards is discharged by the second ash hole 22.
As one embodiment of the present invention, the grinding device 7 includes grinding wheel 71, regulating wheel 72, belt 73 and electricity
Machine two；71 quantity of the grinding wheel is several, and grinding wheel 71 is located in reaction chamber 1, and grinding wheel 71 is for grinding poisoned catalyst；The adjusting
It is several to take turns 72 quantity, regulating wheel 72 is horizontally staggered distribution with grinding wheel 71, and regulating wheel 72 is fixed in reaction chamber 1, and regulating wheel 72 is used
Gap between adjusting grinding wheel 71 and regulating wheel 72；73 quantity of the belt is several, and belt 73 is located at outside reaction chamber 1, belt
73 for connecting grinding wheel 71；The motor two is fixed on reaction chamber 1, and the output shaft of motor two is connected with grinding wheel 71, motor
Two for driving grinding wheel 71 to rotate.When work, motor drives grinding wheel 71 to be rotated together with belt 73, and grinding wheel 71 is to falling in regulating wheel
Poisoned catalyst between 72 and grinding wheel 71 is ground, and the conversion zone on removal poisoned catalyst surface, regulating wheel 72 adjusts sand
The distance between 71 and regulating wheel 72 are taken turns, what grinding obtained after the completion is regenerated catalyst through between regulating wheel 72 and grinding wheel 71
Gap is fallen on transmission device 8.
As one embodiment of the present invention, the transmission device 8 includes conveyer belt 81, belt wheel 82 and motor three；Institute
It states conveyer belt 81 to be located in reaction chamber 1, conveyer belt 81 is further opened with through-hole on conveyer belt 81, leads to for conveying regenerated catalyst
Hole number is several, and through-hole section upper end is that rectangular lower end is trapezoidal, and through-hole is used for the discharge of dust；On the reaction chamber 1 also
It is hinged with one piece of square plate 14, square plate 14 is located at 81 top of conveyer belt, and 14 lower end of square plate is in contact with conveyer belt 81, and square plate 14 is used for
Reaction chamber 1 and collecting tank 2 are separated, while square plate 14 enters collecting tank 2 convenient for regenerated catalyst；82 quantity of the belt wheel is
Two, belt wheel 82 is located in reaction chamber 1, and rectangular recess is additionally provided on belt wheel 82, and rectangular recess quantity is several, and rectangular recess circumferentially divides
Cloth is on belt wheel 82；Drive block 83 is additionally provided on the rectangular recess, drive block 83 is connected by spring with rectangular recess,
The quantity of drive block 83 and distribution are identical as rectangular recess, and drive block 83 is used to the remaining dust in through-hole being discharged；It is described
Motor three is fixed on reaction chamber 1, and motor three is rotated for driving pulley 82.When work, motor three rotates, and falls in transmission device
Regenerated catalyst on 8 enters collecting tank 2 under the action of belt 73 by the square plate 14 between reaction chamber 1 and collecting tank 2, falls
Dust on transmission device 8 falls into 1 bottom of reaction chamber by the through-hole on belt 73 and is discharged by the first ash hole 13；Belt wheel 82
When rotation, drive block 83 enters in through-hole, and through-hole is discharged under the action of drive block 83 in the dust remained in through-hole.
Specific workflow：
When work, pending exhaust gas is passed through into reaction chamber 1 from air inlet 1, from air inlet two into reaction chamber 1
It is passed through ammonia, motor one drives turntable 61 to rotate, and positioning disk 64 is kept due to the presence of clump weight 65 in circular cavity
Motionless, for shift plate 63 with strainer 67 and strut 62 with the synchronous rotation of turntable 61, strainer 67 pushes exhaust gas upward in rotation process
Movement, exhaust gas are discharged after filter screen 67 from the through-hole of shift plate 63, to stay in the granule foreign in exhaust gas on strainer 67；
During this, one end slideway 66 along positioning disk 64 on of the strut 62 while rotation on positioning disk 64 slides,
Since 62 length of strut is constant, and positioning disk 64 is in irregular shape, when strut 62 enters right side half elliptic region, makes strainer
67 shake, and the granule foreign between strainer 67 and barrier plate 68 is shaken off down, fall under gravity into the first ash discharge
Mouth 13 realizes the collection of granule foreign, while pending exhaust gas is routed up into catalysis reaction dress by the rotation of turntable 61
Set 5；The poisoned catalyst generated in reaction process is fallen between regulating wheel 72 and grinding wheel 71, by the grinding of grinding wheel 71, is generated
Regenerated catalyst, be regenerated catalyst through conveyer belt 81 and enter in collecting tank 2, the dust part that is generated in reaction process is logical
The through-hole crossed on belt 73 falls into 1 bottom of reaction chamber, by the first ash hole 13 be discharged reaction chamber 1, another part dust into
Enter collecting tank 2, collecting tank 2 is discharged by the second ash hole 22 of 2 bottom of collecting tank；The dust remained in 73 through-hole of belt exists
Through-hole is discharged under the action of drive block 83 to enter in reaction chamber 1 or collecting tank 2；Regenerated catalyst into collecting tank 2
It is again introduced into reaction chamber 1 by conduit 3 under the action of circulating pump 4 and is reacted with exhaust gas, after reaction, reached through processing
Gas to discharge standard is discharged by exhaust outlet 12.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every 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 similarly included in the scope of patent protection of the present invention.
Claims (5)
1. a kind of low-temperature circulating regenerates denitration catalyst device, it is characterised in that：Including reaction chamber (1), collecting tank (2), conduit
(3), circulating pump (4), catalyst reaction device (5), rotating device (6), grinding device (7) and transmission device (8)；The reaction chamber
(1) air inlet one (11), exhaust outlet (12), the first ash hole (13) and air inlet two (15) are provided on；The air inlet one
(11) it is located at the left side of reaction chamber (1), air inlet one (11) is used to be passed through pending exhaust gas into reaction chamber (1)；The row
Gas port (12) is located on the right side of reaction chamber (1), and exhaust outlet (12) is used to handle gas discharge up to standard；First ash port position
In reaction chamber (1) bottom, the first ash hole (13) is used for the dust discharge reaction chamber (1) in reaction chamber (1)；The air inlet
Two (15) are located above air inlet one (11), and air inlet two (15) is for being passed through ammonia into reaction chamber；Collecting tank (2) position
On the left of reaction chamber (1), collecting tank (2) is connected with reaction chamber (1), and collecting tank (2) is for collecting regenerated catalyst；It is described to lead
Pipe (3) is located on the left of collecting tank (2), and conduit (3) is connected with reaction chamber (1) and collecting tank (2) respectively, and conduit (3) is used for will
Regenerated catalyst in collecting tank (2) is transported in reaction chamber (1)；The circulating pump (4) is located in conduit (3)；The catalysis
Reaction unit (5) is located in reaction chamber (1), and catalyst reaction device (5) is located above air inlet two (15), catalyst reaction device
(5) it is reticular structure, catalyst reaction device (5) for reactant for providing reaction environment；The rotating device (6) is located at reaction
Right side in chamber (1), rotating device (6) are located at below catalyst reaction device (5), and rotating device (6) is used for the particle in exhaust gas
Contaminant filter gets off is delivered to catalyst reaction device (5) by pending exhaust gas simultaneously；The grinding device (7) is located at reaction chamber
(1) in, grinding device (7) is located at below rotating device (6), and grinding device (7) is used for the anti-of reacted catalyst surface
It answers layer to remove, obtains regenerated catalyst；The transmission device (8) is located in reaction chamber (1), and transmission device (8) is located at regulating wheel
(72) lower section, transmission device (8) is horizontal to run through reaction chamber (1), is in contact with collecting tank (2) on the left of transmission device (8), transmission dress
(8) are set for regenerated catalyst to be delivered in collecting tank (2).
2. a kind of low-temperature circulating according to claim 1, regenerates denitration catalyst device, it is characterised in that：The rotating dress
It includes turntable (61), strut (62), shift plate (63), motor one, positioning disk (64), clump weight (65), strainer (67) and resistance to set (6)
Baffle (68)；The turntable (61) is cylinder, and turntable (61) is internally provided with circular cavity, and turntable (61) is set in external peripheral surface
It is equipped with toroidal cavity, groove is equipped with the hole of several connection circular cavities；Be additionally provided in the circular cavity locating rod and
Positioning disk (64), positioning disk (64) are mounted on by locating rod in circular cavity, and positioning disk (64) is that a left side is semicircle
Right side is the irregular cavity of half elliptic, and slideway (66), positioning disk (64) bottom are circumferentially provided on positioning disk (64) outer wall
Clump weight built in portion (65), the weight of clump weight (65) are much larger than the weight of positioning disk (64)；Shift plate (63) quantity and circle
The quantity in the hole on shape cavity is identical, and shift plate (63) is circumferentially hinged in groove；The strainer (67) is mounted on shift plate (63)
Side offers through-hole in shift plate (63), and strainer (67) is for being filtered the granule foreign in exhaust gas；The barrier plate
(68) it is mounted on strainer (67), barrier plate (68) is for making granule foreign stay in strainer (67)；Strut (62) quantity
Corresponding with the quantity of shift plate (63), strut (62) one end passes through the hole on circular cavity to be connected with strainer (67), strut
(62) other end is mounted on the slideway (66) of positioning disk (64) outer wall, and strut (62) can circumferentially be slided around slideway (66), strut
(62) it is used to band electric filter (67) move, realizes the vibration of strainer (67)；The motor one is fixed on reaction chamber (1), motor
One for driving turntable (61) to rotate.
3. a kind of low-temperature circulating according to claim 1 regenerates denitration catalyst device, it is characterised in that：The collecting tank
(2) filter screen (21) and the second ash hole (22) are additionally provided on；The filter screen (21) is located in collecting tank (2), filter screen
(21) be located at below conduit (3), be provided with through-hole on filter screen (21), the through-hole on filter screen (21) can only by dust without
Regenerated catalyst can be passed through；Second ash hole (22) is located at collecting tank (2) bottom, and the second ash hole (22) is received for being discharged
Collect the dust in tank (2).
4. a kind of low-temperature circulating according to claim 1 regenerates denitration catalyst device, it is characterised in that：The grinding device
(7) include grinding wheel (71), regulating wheel (72), belt (73) and motor two；Grinding wheel (71) quantity is several, and grinding wheel (71) is located at
In reaction chamber (1), grinding wheel (71) is for grinding poisoned catalyst；Regulating wheel (72) quantity is several, regulating wheel (72) and sand
Wheel (71) is horizontally staggered distribution, and regulating wheel (72) is fixed in reaction chamber (1), and regulating wheel (72) is for adjusting grinding wheel (71) and adjusting
Gap between section wheel (72)；Belt (73) quantity is several, and belt (73) is located at reaction chamber (1) outside, and belt (73) is used for
Connect grinding wheel (71)；The motor two is fixed on reaction chamber (1), and the output shaft of motor two is connected with grinding wheel (71), motor
Two for driving grinding wheel (71) to rotate.
5. a kind of low-temperature circulating according to claim 1 regenerates denitration catalyst device, it is characterised in that：The transmission device
(8) include conveyer belt (81), belt wheel (82) and motor three；The conveyer belt (81) is located in reaction chamber (1), and conveyer belt (81) is used
In conveying regenerated catalyst, conveyer belt is further opened with through-hole on (81), and number of openings is several, and through-hole section upper end is rectangular lower end
It is trapezoidal, through-hole is used for the discharge of dust；One piece of square plate (14) is also hinged on the reaction chamber (1), square plate (14) is located at
Above conveyer belt (81), square plate (14) lower end is in contact with conveyer belt (81), and square plate (14) is used for reaction chamber (1) and collecting tank
(2) it separates, while square plate (14) enters collecting tank (2) convenient for regenerated catalyst；Belt wheel (82) quantity is two, belt wheel
(82) it is located in reaction chamber (1), rectangular recess is additionally provided on belt wheel (82), rectangular recess quantity is several, and rectangular recess circumferentially divides
Cloth is on belt wheel (82)；Drive block (83) is additionally provided on the rectangular recess, drive block (83) passes through spring and rectangular recess
It is connected, the quantity of drive block (83) and distribution are identical as rectangular recess, and drive block (83) is used for the remaining ash in through-hole
Dirt is discharged；The motor three is fixed on reaction chamber (1), and motor three is rotated for driving pulley (82).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810603921.5A CN108786443B (en) | 2018-06-12 | 2018-06-12 | Low-temperature cyclic regeneration denitration catalytic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603921.5A CN108786443B (en) | 2018-06-12 | 2018-06-12 | Low-temperature cyclic regeneration denitration catalytic device |
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| CN108786443B CN108786443B (en) | 2021-03-12 |
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| CN201810603921.5A Active CN108786443B (en) | 2018-06-12 | 2018-06-12 | Low-temperature cyclic regeneration denitration catalytic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351184A (en) * | 2018-11-30 | 2019-02-19 | 李宜立 | Compound mixing arrangement, SCR denitration equipment and compound spray ammonia mixed method |
| CN109513311A (en) * | 2019-01-16 | 2019-03-26 | 上海环境保护有限公司 | A kind of waste gas processing method for realizing energy-efficient dynamic fluidized bed classification absorption |
| CN112191097A (en) * | 2020-09-10 | 2021-01-08 | 河北汉唐宏远环保科技有限公司 | Flat denitration catalyst of brush SCR takes off whitewashed device |
| CN116474679A (en) * | 2023-04-27 | 2023-07-25 | 宁波昊德化学工业股份有限公司 | Method and equipment for producing isobutene |
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| CN104906950A (en) * | 2015-06-23 | 2015-09-16 | 无锡市华星电力环保修造有限公司 | Low-temperature SCR flue gas denitration equipment |
| CN206881513U (en) * | 2017-05-19 | 2018-01-16 | 大唐环境产业集团股份有限公司 | Low-temperature smoke air SCR denitrification apparatus |
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| CN104906950A (en) * | 2015-06-23 | 2015-09-16 | 无锡市华星电力环保修造有限公司 | Low-temperature SCR flue gas denitration equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109351184A (en) * | 2018-11-30 | 2019-02-19 | 李宜立 | Compound mixing arrangement, SCR denitration equipment and compound spray ammonia mixed method |
| CN109351184B (en) * | 2018-11-30 | 2024-04-09 | 浙江大维高新技术股份有限公司 | Composite mixing device, SCR denitration equipment and composite ammonia spraying mixing method |
| CN109513311A (en) * | 2019-01-16 | 2019-03-26 | 上海环境保护有限公司 | A kind of waste gas processing method for realizing energy-efficient dynamic fluidized bed classification absorption |
| CN112191097A (en) * | 2020-09-10 | 2021-01-08 | 河北汉唐宏远环保科技有限公司 | Flat denitration catalyst of brush SCR takes off whitewashed device |
| CN116474679A (en) * | 2023-04-27 | 2023-07-25 | 宁波昊德化学工业股份有限公司 | Method and equipment for producing isobutene |
| CN116474679B (en) * | 2023-04-27 | 2024-06-18 | 宁波昊德化学工业股份有限公司 | Method and equipment for producing isobutene |
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|---|---|
| CN108786443B (en) | 2021-03-12 |
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