CN109200821A - A kind of efficient soot blower for SCR denitration - Google Patents
A kind of efficient soot blower for SCR denitration Download PDFInfo
- Publication number
- CN109200821A CN109200821A CN201811376853.XA CN201811376853A CN109200821A CN 109200821 A CN109200821 A CN 109200821A CN 201811376853 A CN201811376853 A CN 201811376853A CN 109200821 A CN109200821 A CN 109200821A
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- air
- unit
- purging
- scavenging conduit
- soot blower
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- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- 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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- 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
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- 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
- 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
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- 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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The present invention relates to a kind of efficient soot blowers for SCR denitration, including the purging room separated by partition and dirt pocket, it is indoor that placement platform is located at purging, purge unit is set to purging ceiling portion, negative pressure unit includes the air-suction channel that air inlet is upward and is located at below placement platform, air inlet is provided with web plate, air-suction channel passes through partition and is connected with negative pressure unit, purge unit includes the scavenging conduit that purging ceiling portion is fixed on by horizontal mobile mechanism, the purging pipe end is provided with circular cavity, rotating turret is provided in circular cavity, the sealing spin matched with circular cavity air outlet is evenly equipped on rotating turret circumference, sealing spin is installed on rotating turret by elastic support；Filler tube is provided in air-suction channel, filler tube forms the opening/closing unit of air-suction channel by the air pressure change of purging room；The device is repeatedly changed using pressure, positive/negative-pressure changes, suddenly change diversified forms combine and carry out dust removal to catalyst, and soot blowing significant effect improves.
Description
Technical field
The invention belongs to catalyst clearing and retrieving technical fields, and in particular to a kind of for the efficient of SCR denitration
Soot blower.
Background technique
SCR method denitrating technique is that current coal-burning boiler realizes the maximally efficient method of denitrating flue gas, and is widely adopted
Technique.The technology key component denitrating catalyst can inactivate after operation 24000 hours, and unit denitration efficiency reduces, and ammonia is escaped
Ease rate increases, and flue gas is unable to qualified discharge.Thermal power plant is in line with the principle of resource recycling and cost savings, and more options are to machinery
The intact catalyst of degree is regenerated, to restore its activity.The main reason for causing denitrating catalyst to inactivate first is that fine coal
Ash blocking, therefore deashing becomes the regenerated first step of denitrating catalyst.Deashing process has fugitive dust, if it is not closed and use people
Work dedusting, dust sucks human body can be unfavorable to health, and pollutes air and therefore research and develop closed automatic soot blower to protection
Human health and atmospheric environment are necessary.
Summary of the invention
The present invention overcomes the defects of the prior art, provide a kind of efficient soot blower for SCR denitration,
The device is repeatedly changed using pressure, positive/negative-pressure changes, suddenly change diversified forms combine and carry out dust removal to catalyst,
Soot blowing significant effect improves.
The specific technical solution of the present invention:
A kind of efficient soot blower for SCR denitration, the device include the purge unit being connected with air compressor machine,
For the placement platform and negative pressure unit of catalyst, key point is, the soot blower include the purging room separated by partition and
Dirt pocket, it is indoor that placement platform is located at purging, and purge unit is set to purging ceiling portion, the negative pressure unit include air inlet to
Air-suction channel that is upper and being located at below placement platform, air inlet are provided with web plate, air-suction channel pass through partition and with negative pressure list
Member is connected；The purge unit includes the scavenging conduit that purging ceiling portion is fixed on by horizontal mobile mechanism, the purging
Pipe end is provided with circular cavity, and rotating turret is provided in circular cavity, is evenly equipped on rotating turret circumference and matches with circular cavity air outlet
The sealing spin of conjunction, the sealing spin are installed on rotating turret by elastic support；Funnel is provided in the air-suction channel
Pipe, filler tube form the opening/closing unit of air-suction channel by the air pressure change of purging room, and the filler tube is silica gel material.
Inflated rubber ball is provided in the middle part of the scavenging conduit, the wall thickness of inflated rubber ball is not less than 2mm.
The horizontal mobile mechanism includes the straight line slide unit of fixed plate and the upper end, and fixed plate is provided with along straight line slide unit
The cooperation long hole of direction of motion setting, the mobile unit of straight line slide unit are fixedly connected with scavenging conduit, and scavenging conduit passes through cooperation long hole
And be arranged straight down, the rubber curtain of a side opening is horizontally fixed in the cooperation long hole, opening side connects with scavenging conduit
Touching.
Rotatable lifting nut is provided in the mobile unit of the straight line slide unit, scavenging conduit upper end passes through lifting spiral shell
Mother and therewith formation are threadedly engaged, and scavenging conduit has lifting freedom degree by lifting nut.
The purge unit further include controller, setting purge indoor Hall sensor, be connected to scavenging conduit with
Solenoid valve between air compressor machine, Hall sensor, controller, solenoid valve are in turn connected to form as on-off control system, straight line cunning
The left and right ends of platform are both provided with close to switch, close to switch, controller, straight line slide unit mobile unit be in turn connected to form for
The exchange system of scavenging conduit.
The purging room is provided with the water-cooling circulating system of serpentine-like coiling on the top of horizontal mobile mechanism.
The edge wrap of the placement platform has rubber layer, and the upper surface of rubber layer offers the pallet fork shape with fork truck
The gap to match.
The negative pressure unit include bag filter inside the dirt pocket, be arranged above bag filter and with
The negative-pressure air fan of bag filter connection, the import of bag filter and the outlet of air-suction channel.
Compressed air reservoir is additionally provided in the dirt pocket, the outlet of compressed air reservoir is connected to air compressor machine.
The beneficial effects of the present invention are: the present invention carries out the blowing of catalyst by the circular cavity with rotating turret, turn
Sealing spin in moving frame is successively spaced to be cooperated with air outlet sealing, intermittent outlet air state is formd, compared to persistently blowing
Wind carries out the dynamic stability formed when dust removal, is more advantageous to the blowing removal for being bonded dust on a catalyst；
The setting of inflated rubber ball is combined with the state of sealing spin, and when sealed, inflated rubber ball carries out of short duration change
Shaped inflatable, after sealing state disappears, gas in inflated rubber ball is quick-fried to gush out, and uprushes to the wind pressure that goes out of scavenging conduit
Mutation, the pressure history for being set as regularity increase variation node, are not easy the dust blown down to bonding on catalyst
Removal pressure is increased, removal effect significantly improves；
The filler tube for the silica gel material being arranged in air-suction channel, by negative-pressure adsorption and sealing spin be in sealing state
When, the entire room that purges is in negative pressure state, and funnel tube end is gradually closed, when sealing spin is in non-tight state, purging
Chamber pressure is gradually increased, and filler tube is opened, and the entire suddenly change for purging room air pressure forms vibration, the ash of catalyst surface bonding
Dirt loosens under the variation vibration of the alternating of negative pressure and positive pressure and falls rate and significantly improve, final soot blowing effect obtains significantly
Improve.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the internal structure chart of circular cavity in Fig. 1.
Fig. 5 is the structural schematic diagram of elastic support in Fig. 4.
In attached drawing, 1, purging room, 2, dirt pocket, 3, negative-pressure air fan, 4, bag filter, 5, partition, 6, air-suction channel,
601, web plate, 7, scavenging conduit, 8, straight line slide unit, 801, mobile unit, 9, placement platform, 11, circular cavity, 12, lifting nut,
13, compressed air reservoir, 14, rotating turret, 15, sealing spin, 16, elastic support, 1601, loop bar, 1602, sliding bar, 1603,
Spring, 17, filler tube, 18, inflated rubber ball.
Specific embodiment
The present invention relates to a kind of efficient soot blowers for SCR denitration, which includes being connected with air compressor machine
Purge unit, placement platform 9 and negative pressure unit for catalyst, the soot blower includes the purging separated by partition 5
Room 1 and dirt pocket 2, placement platform 9 are located in purging room 1, and purge unit is set to 1 top of purging room, the negative pressure unit packet
It includes air inlet upwards and is located at the air-suction channel 6 of 9 lower section of placement platform, air inlet is provided with web plate 601, and air-suction channel 6 is worn
It crosses partition 5 and is connected with negative pressure unit；The purge unit includes that 1 top of purging room is fixed on by horizontal mobile mechanism
Scavenging conduit 7,7 end of scavenging conduit are provided with circular cavity 11, and rotating turret 14,14 circumference of rotating turret are provided in circular cavity 11
On be evenly equipped with the sealing spin 15 matched with 11 air outlet of circular cavity, the sealing spin 15 is installed on by elastic support 16
On rotating turret 14；Filler tube 17 is provided in the air-suction channel 6, filler tube 17 is formed by the air pressure change of purging room 1 to be inhaled
The opening/closing unit in wind channel 6, the filler tube 17 are silica gel material.
Specific embodiment, as shown in Figures 1 to 5, negative pressure unit include bag filter 4 inside the dirt pocket 2, set
The negative-pressure air fan 3 set above bag filter 4 and be connected to bag filter 4, the import of bag filter 4 and air-suction channel
6 outlet can be such that the dust blown off by purge unit is rapidly introduced into bag filter 4, keep away using negative-pressure air fan 3
Exempt from dust to accumulate in air-suction channel 6 and influence efficiency of dust collection, bag filter 4 selects MC-11-120 pulsed Bag filter
Device, is equipped with 120 cloth bags, and the air quantity of negative-pressure air fan 3 is 10000m3/ h, wind pressure are not less than 2500Pa, filter area 60-
90m2, flue-dust retainer is provided with below bag filter 4, it can be with periodic cleaning；
It is provided with operation door on purging 1 side wall of room, facilitates pick-and-place catalyst, is provided with maintenance door on 2 side wall of dirt pocket, side
Just cleaning bag filter 4 and progress attended operation；
Horizontal mobile mechanism includes the straight line slide unit 8 of fixed plate and the upper end, and fixed plate is provided with to be moved along straight line slide unit 8
The cooperation long hole of direction setting, the mobile unit 801 of straight line slide unit 8 are fixedly connected with scavenging conduit 7, and scavenging conduit 7 passes through cooperation length
Hole is simultaneously arranged straight down, the rubber curtain of a side opening is horizontally fixed in the cooperation long hole, be open side and 7 phase of scavenging conduit
Contact；Rotatable lifting nut 12 is provided in the mobile unit 801 of straight line slide unit 8,7 upper end of scavenging conduit passes through lifting nut
12 and therewith formed be threadedly engaged, scavenging conduit 7 by lifting nut 12 have lifting freedom degree；Scavenging conduit 7 can be in horizontal position
It sets and is adjusted in height, make the spacing for keeping 100mm or so between scavenging conduit 7 and catalyst, it is ensured that have and preferably blow
Sweep effect.
Purge unit further includes controller, the Hall sensor being arranged in purging room 1, is connected to scavenging conduit 1 and pneumatics
Solenoid valve between machine, Hall sensor, controller, solenoid valve are in turn connected to form as on-off control system, straight line slide unit 8
Left and right ends are both provided with close to switch, close to switch, controller, straight line slide unit 8 mobile unit 801 be in turn connected to form for
The exchange system of scavenging conduit 7；When scavenging conduit 7 reaches designated position, Hall sensor is attracted, and connects solenoid valve, air compressor machine
Interior compressed air enters in scavenging conduit 7 by solenoid valve, is purged by catalyst of the scavenging conduit to lower section, purges
When, scavenging conduit is mobile from one end of straight line slide unit to the other end, lateral straight line purging is carried out to catalyst, when scavenging conduit 7 is mobile
When to straight line 8 one end of slide unit, trigger the end close to switch, 8 inverted running of straight line slide unit is made by controller close to switch, is blown
It sweeps pipe 7 to start to carry out reverse movement purging, until catalyst purge is clean；
The rotating turret 14 is driven by the rotary electric machine being arranged in its rotation axis, is sealed setting in the middle part of spin 15 and is turned
Axis, elastic support 16 are the telescopic rod being fixed between 14 excircle of rotating turret and roller end, and telescopic rod includes loop bar 1601
With sliding bar 1602, spring 1603 is set on sliding bar 1602,1601 end of loop bar and 14 excircle of rotating turret form bullet
The position limiting structure of spring 1603, each both ends of the shaft are respectively arranged with an elastic support 16, by the circle for having rotating turret 14
Chamber 11 carries out the blowing of catalyst, and the sealing spin 15 on rotating turret 14 successively rotates, compartment is matched with air outlet sealing
It closes, forms intermittent outlet air state, the dynamic stability formed when dust removal is carried out compared to lasting blowing, is more advantageous to
It is bonded the blowing removal of dust on a catalyst；
In addition, being provided with inflated rubber ball 18 in the middle part of scavenging conduit 7, the wall thickness of inflated rubber ball 18 is not less than 2mm, the wall thickness
So that inflated rubber ball 18 has some strength, it will not be blown brokenly, deflection is smaller, and it is then quick-fried suddenly can to gather certain gas
Spray is so that air pressure change, the setting of inflated rubber ball 18 are combined with the state of sealing spin 15, when 15 turns of spin of sealing
It moves to when cooperating sealing with the air outlet of circular cavity 11 on scavenging conduit 7, inflated rubber ball 18 carries out of short duration deformation aeration, works as sealing
After state disappears, gas in inflated rubber ball 18 is quick-fried to gush out, and carries out mutation of uprushing to the wind pressure that goes out of scavenging conduit 7, this sets
The pressure history for being set to regularity increases variation node, increases removal to the dust for being not easy to blow down is bonded on catalyst
Pressure, removal effect significantly improve；
The filler tube 17 for the silica gel material being arranged in air-suction channel 6, by negative-pressure adsorption and sealing spin 15 be in it is close
When envelope state, the entire room 1 that purges is in negative pressure state, and 17 end of filler tube is gradually closed, when sealing spin 15 is in non-tight
When state, purging 1 pressure of room is gradually increased, and filler tube 17 is opened, and the entire suddenly change for purging 1 air pressure of room forms vibration, is urged
The dust of agent surface bonding loosens under the variation vibration of the alternating of negative pressure and positive pressure and falls rate and significantly improve, final
Soot blowing effect significantly improves.
In order to avoid heating influences working condition in 8 course of work of straight line slide unit, in purging room 1 in horizontal mobile mechanism
Top is provided with the water-cooling circulating system of serpentine-like coiling, keeps purging room temperature in certain preset range；It places flat
The edge wrap of platform 9 has rubber layer, and the upper surface of rubber layer offers the gap to match with the pallet fork shape of fork truck, facilitates fork
Vehicle or other fork device carry out catalyst, placement platform pick-and-place, replacement.Compressed air reservoir is additionally provided in dirt pocket 2
13, the outlet of compressed air reservoir 13 is connected to air compressor machine, when air compressor machine insufficient pressure, can use compressed air reservoir 13
Compressed gas is kept in and conveyed for air compressor machine.
Claims (9)
1. a kind of efficient soot blower for SCR denitration, which includes the purge unit being connected with air compressor machine, uses
In the placement platform (9) and negative pressure unit of catalyst, it is characterised in that: the soot blower includes being blown by what partition (5) separated
Room (1) and dirt pocket (2) are swept, placement platform (9) is located in purging room (1), and purge unit is set at the top of purging room (1), institute
Stating negative pressure unit includes the air-suction channel (6) that air inlet is upward and is located at below placement platform (9), and air inlet is provided with web plate
(601), air-suction channel (6) passes through partition (5) and is connected with negative pressure unit；The purge unit includes by moving horizontally machine
Structure is fixed on the scavenging conduit (7) at the top of purging room (1), and the scavenging conduit (7) end is provided with circular cavity (11), circular cavity
(11) it is provided in rotating turret (14), the sealing rolling matched with circular cavity (11) air outlet is evenly equipped on rotating turret (14) circumference
Ball (15), the sealing spin (15) are installed on rotating turret (14) by elastic support (16)；It is set in the air-suction channel (6)
It is equipped with filler tube (17), filler tube (17) forms the opening/closing unit of air-suction channel (6), institute by the air pressure change of purging room (1)
Stating filler tube (17) is silica gel material.
2. a kind of efficient soot blower for SCR denitration according to claim 1, it is characterised in that: described
Scavenging conduit (7) in the middle part of be provided with inflated rubber ball (18), the wall thickness of inflated rubber ball (18) is not less than 2mm.
3. a kind of efficient soot blower for SCR denitration according to claim 1, it is characterised in that: described
Horizontal mobile mechanism include fixed plate and the upper end straight line slide unit (8), fixed plate is provided with along straight line slide unit (8) movement side
To the cooperation long hole of setting, the mobile unit (801) of straight line slide unit (8) is fixedly connected with scavenging conduit (7), and scavenging conduit (7) passes through
Cooperation and is arranged long hole straight down, and the rubber curtain of a side opening is horizontally fixed in the cooperation long hole, be open side with blow
Pipe (7) is swept to be in contact.
4. a kind of efficient soot blower for SCR denitration according to claim 1, it is characterised in that: described
Straight line slide unit (8) mobile unit (801) on be provided with rotatable lifting nut (12), scavenging conduit (7) upper end pass through rise
Drop nut (12) and therewith formation are threadedly engaged, and scavenging conduit (7) has lifting freedom degree by lifting nut (12).
5. a kind of efficient soot blower for SCR denitration according to claim 1, it is characterised in that: described
Purge unit further include controller, setting purging room (1) in Hall sensor, be connected to scavenging conduit (1) and air compressor machine
Between solenoid valve, Hall sensor, controller, solenoid valve be in turn connected to form as on-off control system, straight line slide unit (8)
The mobile unit (801) that left and right ends are both provided with close to switch, close to switch, controller, straight line slide unit (8) is sequentially connected shape
Exchange system as scavenging conduit (7).
6. a kind of efficient soot blower for SCR denitration according to claim 1, it is characterised in that: described
Purging room (1) top of horizontal mobile mechanism is provided with the water-cooling circulating system of serpentine-like coiling.
7. a kind of efficient soot blower for SCR denitration according to claim 1, it is characterised in that: described
The edge wrap of placement platform (9) have a rubber layer, the upper surface of rubber layer is offered to match with the pallet fork shape of fork truck
Gap.
8. a kind of efficient soot blower for SCR denitration according to claim 1, it is characterised in that: described
Negative pressure unit include positioned at dirt pocket (2) internal bag filter (4), setting above bag filter (4) and and cloth
The negative-pressure air fan (3) of bag dust collector (4) connection, the import of bag filter (4) and the outlet of air-suction channel (6).
9. a kind of efficient soot blower for SCR denitration according to claim 1, it is characterised in that: described
Dirt pocket (2) in be additionally provided with compressed air reservoir (13), the outlet of compressed air reservoir (13) is connected to air compressor machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811376853.XA CN109200821B (en) | 2018-11-19 | 2018-11-19 | A high-efficient soot blower for SCR denitration catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811376853.XA CN109200821B (en) | 2018-11-19 | 2018-11-19 | A high-efficient soot blower for SCR denitration catalyst |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109200821A true CN109200821A (en) | 2019-01-15 |
| CN109200821B CN109200821B (en) | 2020-05-05 |
Family
ID=64994488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811376853.XA Active CN109200821B (en) | 2018-11-19 | 2018-11-19 | A high-efficient soot blower for SCR denitration catalyst |
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| Country | Link |
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| CN (1) | CN109200821B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112774335A (en) * | 2020-12-22 | 2021-05-11 | 邓成斌 | Filter bag type deodorization and dust removal air purification device |
| CN114351085A (en) * | 2021-12-30 | 2022-04-15 | 苏州吉恒纳米科技有限公司 | Heat treatment blowing equipment before vacuum coating |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110207597A1 (en) * | 2011-05-04 | 2011-08-25 | Evonik Energy Services, LLC | Pluggage removal method for scr catalysts and systems |
| CN204380515U (en) * | 2014-12-31 | 2015-06-10 | 河北汉唐宏远环保科技有限公司 | Portable SCR honeycomb denitrating catalyst deashing device |
| CN105056761A (en) * | 2015-08-26 | 2015-11-18 | 浙江浙能催化剂技术有限公司 | Ash removing device of SCR denitration catalyst |
| CN105561788A (en) * | 2015-12-14 | 2016-05-11 | 江苏肯创催化剂再生技术有限公司 | SCR (Selective Catalytic Reduction) catalyst module ash cleaning device |
| CN106678846A (en) * | 2016-12-14 | 2017-05-17 | 北京神雾环境能源科技集团股份有限公司 | Soot blower |
| CN107185908A (en) * | 2017-05-10 | 2017-09-22 | 哈尔滨工程大学 | A kind of soot blower and ash-blowing method in denitrating system rectangle reaction unit peculiar to vessel |
-
2018
- 2018-11-19 CN CN201811376853.XA patent/CN109200821B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110207597A1 (en) * | 2011-05-04 | 2011-08-25 | Evonik Energy Services, LLC | Pluggage removal method for scr catalysts and systems |
| CN204380515U (en) * | 2014-12-31 | 2015-06-10 | 河北汉唐宏远环保科技有限公司 | Portable SCR honeycomb denitrating catalyst deashing device |
| CN105056761A (en) * | 2015-08-26 | 2015-11-18 | 浙江浙能催化剂技术有限公司 | Ash removing device of SCR denitration catalyst |
| CN105561788A (en) * | 2015-12-14 | 2016-05-11 | 江苏肯创催化剂再生技术有限公司 | SCR (Selective Catalytic Reduction) catalyst module ash cleaning device |
| CN106678846A (en) * | 2016-12-14 | 2017-05-17 | 北京神雾环境能源科技集团股份有限公司 | Soot blower |
| CN107185908A (en) * | 2017-05-10 | 2017-09-22 | 哈尔滨工程大学 | A kind of soot blower and ash-blowing method in denitrating system rectangle reaction unit peculiar to vessel |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112774335A (en) * | 2020-12-22 | 2021-05-11 | 邓成斌 | Filter bag type deodorization and dust removal air purification device |
| CN112774335B (en) * | 2020-12-22 | 2022-06-14 | 东莞汇乐技术股份有限公司 | Filter bag type deodorization and dust removal air purification device |
| CN114351085A (en) * | 2021-12-30 | 2022-04-15 | 苏州吉恒纳米科技有限公司 | Heat treatment blowing equipment before vacuum coating |
| CN114351085B (en) * | 2021-12-30 | 2024-04-09 | 苏州吉恒纳米科技有限公司 | Heat treatment purging equipment before vacuum coating |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109200821B (en) | 2020-05-05 |
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