CN109351182A - A kind of Sinter-plate Filter with VOCs remove - Google Patents
A kind of Sinter-plate Filter with VOCs remove Download PDFInfo
- Publication number
- CN109351182A CN109351182A CN201811422681.5A CN201811422681A CN109351182A CN 109351182 A CN109351182 A CN 109351182A CN 201811422681 A CN201811422681 A CN 201811422681A CN 109351182 A CN109351182 A CN 109351182A
- Authority
- CN
- China
- Prior art keywords
- room
- plate
- vocs
- sinter
- stainless steel
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- 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
- 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
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- 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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a kind of Sinter-plate Filters with VOCs remove, including dust separation room (1), dust separation room (1) lower end is equipped with grey small room (2), dust separation room (1) upper end is equipped with purification gas room (3), several catalysis sintered plates (4) are evenly distributed in dust separation room (1), it is catalyzed at the top of sintered plate (4) and connects purification gas room (3), injection system is equipped on the outside of catalysis sintered plate (4)；The catalysis sintered plate (4) includes fixed bracket (401), there are two setting side by side in fixed bracket (401) catalytic plate (402), gas passage (403) are equipped between two catalytic plates (402)；The catalytic plate (402) includes stainless steel sintered meshwork, and stainless steel sintering net surface is impregnated with VOCs catalyst.The present invention can be removed the volatile organic matter in exhaust gas while realizing dust removing effects.
Description
Technical field
The present invention relates to a kind of waste gas dust remover, especially a kind of Sinter-plate Filter with VOCs remove.
Background technique
In petrochemical industry, chemical industry, industrial coating and the production process of packages printing, it can discharge and largely contain volatile organic matter
(VOCs) industrial waste gas, and volatile organic matter is the important as precursors object to form ozone and fine particle pollution, is group of cities
One of important source of atmosphere pollution.It is mainly at present that absorption method, bioanalysis and catalysis are fired to the purified treatment mode of industrial waste gas
Burning method.Although such methods can be removed the volatile organic matter in exhaust gas, can not be realized while purification good
Good dust removing effects.And China to the dedusting method of industrial waste gas is removed by electrostatic precipitation or bag-type dust, is commonly used
Electrostatic precipitator and bag filter using temperature at 200 DEG C hereinafter, the use temperature of high temperature electrostatic deduster does not also surpass
Cross 450 DEG C；Cause the dust-extraction unit that can not also go while realizing high-effective dust-removing to the volatile organic matter in exhaust gas
It removes.So that producer be made to need to pass sequentially through exhaust gas clarifier and deduster to realize required treatment effect, greatly in processing
The processing cost to exhaust gas and processing time are improved greatly.Therefore, it is necessary to one kind can be while realizing dust removing effects to useless
The processing unit that volatile organic matter in gas is removed.
Summary of the invention
The object of the present invention is to provide a kind of Sinter-plate Filters with VOCs remove.It can realized
The volatile organic matter in exhaust gas is removed while dust removing effects.
Technical solution of the present invention: a kind of Sinter-plate Filter with VOCs remove, including dust separation room are removed
Dirt clean room lower end is equipped with grey small room, and dust separation room upper end is equipped with purification gas room, if being evenly distributed in dust separation room
Dry catalysis sintered plate, catalysis sintered plate top connect purification gas room, are equipped with injection system on the outside of catalysis sintered plate；The catalysis
Sintered plate includes fixed bracket, fixes in bracket catalytic plate there are two setting side by side, is equipped with gas passage between two catalytic plates；Institute
Stating catalytic plate includes stainless steel sintered meshwork, and stainless steel sintering net surface is impregnated with VOCs catalyst.
In a kind of Sinter-plate Filter with VOCs remove above-mentioned, the production method of the catalytic plate include with
Lower step:
1. stainless steel sintered meshwork is successively used deionization after electrochemical deoiling, except dust, descale and activating pretreatment
Water is cleaned, and then processing forms curling corrugated, obtains A stainless steel sintered meshwork；
2. the electrolyte using the sulfuric acid of 12~15wt% as anodic oxidation, by A stainless steel sintered meshwork in current density
For anodic oxidation 50 minutes under conditions of 0.1~0.5A, B stainless steel sintered meshwork is obtained；
3. B stainless steel sintered meshwork is impregnated VOCs catalyst, it is washed out, dries, then roasted under 300~800 DEG C of environment
It burns, activation 1 one hours, obtains catalytic plate.
In a kind of Sinter-plate Filter with VOCs remove above-mentioned, the VOCs catalyst is nitrate mixing
Liquid, nitrate mixed liquor include palladium nitrate solution, further include cerous nitrate solution, yttrium nitrate solution, zirconium nitrate solution and silver nitrate
One or more of solution.
In a kind of Sinter-plate Filter with VOCs remove above-mentioned, the catalytic plate with a thickness of 2~10mm,
The VOCs catalyst is equipped with the micropore in 2~3 μm of apertures.
In a kind of Sinter-plate Filter with VOCs remove above-mentioned, dust separation room side is equipped with exhaust gas
Import, purification gas room side are equipped with gas vent.
In a kind of Sinter-plate Filter with VOCs remove above-mentioned, the ash small room lower end is equipped with ash hole,
Ash hole is equipped with defeated grey valve, and defeated ash valve is equipped with solenoid valve and hand-operated valve.
In a kind of Sinter-plate Filter with VOCs remove above-mentioned, the injection system includes being located at purified gas
Multiple puff prots at the top of gas passage are distributed in the indoor tracheae of body, tracheae bottom, and tracheae upper end extends to purified gas
Body outside.
In a kind of Sinter-plate Filter with VOCs remove above-mentioned, when working condition the dust separation room
Room temperature is 250~600 DEG C.
In a kind of Sinter-plate Filter with VOCs remove above-mentioned, when working condition the dust separation room
Room temperature is 280~450 DEG C.
Compared with prior art, the present invention is cooperated by the structure of dust separation room, catalysis sintered plate and purification gas room,
Exhaust gas is set to need to enter in purification gas room across catalysis sintered plate after entering dust separation room；By on catalysis sintered plate
Volatile organic matter in exhaust gas can be formed CO through catalysis by VOCs catalyst2、H2O etc. harmless inorganic matter, to realize good
Good clean-up effect；It can also be to 0.5 μm or more in exhaust gas of powder by the micropore in stainless steel sintered meshwork and VOCs catalyst
Dirt is effectively trapped, and reaches 99% to the arresting efficiency of 1 μm or more dust, to make the dust emission of exhaust gas after treatment
Amount can be less than 20mg/m3；It, can be periodically right by injection system when dust and after being isolated and be attached on the outside of catalysis sintered plate
It is catalyzed sintered plate blowing pressurized air, makes the dust being catalyzed on sintered plate in blowing effect whereabouts ash charge small room, to improve
Job stability and clean-up effect of the invention；Defeated ash can also be automatically or manually controlled by solenoid valve and hand-operated valve in user
Valve discharges defeated grey valve periodically to the indoor dust of ash bucket.
In addition, the present invention can effectively improve VOCs catalyst after impregnating by the setting to catalysis plate producing process
Adhesiving effect and activity, to improve catalytic plate to the removal effect of volatile organic matter；It is indoor by dust separation
VOCs catalyst can be improved to the catalytic decomposition effect of volatile organic matter in the optimization of operating temperature；By to catalytic plate and
The parameter optimization of VOCs catalyst can be effectively improved to the isolation effect of dust under conditions of guaranteeing exhaust gas flowing and to waving
The catalytic effect of hair property organic matter, to enable the invention to that there is good treatment effeciency and treatment effect simultaneously.So this
Invention can be removed the volatile organic matter in exhaust gas while realizing dust removing effects.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the A of Fig. 1 to enlarged drawing.
The label in accompanying drawing is: 1- dust separation room, 2- ash small room, 3- purification gas room, 4- are catalyzed sintered plate, 5- exhaust gas
Import, 6- gas vent, 7- ash hole, 8- tracheae, the fixed bracket of 401-, 402- catalytic plate, 403- gas passage, 801- jet
Mouthful.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Embodiment.A kind of Sinter-plate Filter with VOCs remove is constituted as shown in Figure 1, including dust separation
Room 1,1 lower end of dust separation room are equipped with grey small room 2, and 1 upper end of dust separation room is equipped with purification gas room 3, dust separation room 1 and net
It is mutually isolated between change gas compartment 3, several catalysis sintered plates 4,4 top of catalysis sintered plate are evenly distributed in dust separation room 1
It is connected to purification gas room 3, is catalyzed on the outside of sintered plate 4 and is equipped with injection system；The catalysis sintered plate 4 includes fixed bracket 401,
Catalytic plate 402 there are two setting side by side is fixed in bracket 401, is equipped with gas passage 403 between two catalytic plates 402；The catalysis
Plate 402 includes stainless steel sintered meshwork, and stainless steel sintering net surface is impregnated with VOCs catalyst；The model of the stainless steel sintered meshwork
For SUS316L or SUS304, the aperture of stainless steel sintered meshwork is 1~300 μm.
The production method of the catalytic plate 402 the following steps are included:
1. stainless steel sintered meshwork is successively used deionization after electrochemical deoiling, except dust, descale and activating pretreatment
Water is cleaned, and then processing forms curling corrugated, obtains A stainless steel sintered meshwork；
2. the electrolyte using the sulfuric acid of 12~15wt% as anodic oxidation, by A stainless steel sintered meshwork in current density
For anodic oxidation 50 minutes under conditions of 0.1~0.5A, B stainless steel sintered meshwork is obtained；
3. B stainless steel sintered meshwork routinely impregnation VOCs catalyst is washed out, is dried, then 300~
It roasts, activate 1 one hours under 800 DEG C of environment, obtain catalytic plate.
The VOCs catalyst is nitrate mixed liquor, and it further includes cerous nitrate that nitrate mixed liquor, which includes palladium nitrate solution,
One or more of solution, yttrium nitrate solution, zirconium nitrate solution and silver nitrate solution；Wherein palladium is in nitrate mixed liquor
0.1wt%, the sum of other active components are not less than 0.4wt%.
The catalytic plate 402 with a thickness of 5.5mm, the VOCs catalyst is equipped with the micropore in 2~3 μm of apertures.
1 side of dust separation room is equipped with exhaust gas inlet 5, and 3 side of purification gas room is equipped with gas vent 6.
Ash 2 lower end of small room is equipped with ash hole 7, and ash hole 7 is equipped with defeated grey valve 9, defeated ash valve 9 be equipped with solenoid valve and
Hand-operated valve.
The injection system includes the tracheae 8 in purification gas room 3, and 8 bottom of tracheae is distributed with multiple positioned at gas
The puff prot 801 at 403 top of channel, 8 upper end of tracheae extends on the outside of purification gas room 3 and is connected with air pump.
When working condition, the catalytic temperature of the dust separation room 1 is 280~450 DEG C.
The working principle of the invention: the present invention passes through dust separation room 1, purification gas room 3 by the way of filtration catalytic
With the structure cooperation of catalysis sintered plate 4, it is sintered the high-temp waste gas entered through exhaust gas inlet 5 under the drive of air pressure from each catalysis
It flows in gas passage 403 at the catalytic plate 402 of plate 4, and is expelled to after entering gas passage 403 through purification gas room 3
6 outside of gas vent.High-temp waste gas passes through the stainless steel as made of the compacting of multilayer stainless steel cloth when passing through catalytic plate 402
Sintered meshwork can effectively reduce the mesh size on stainless steel sintered meshwork, to make the VOCs catalysis being coated on rust steel sintered meshwork
Agent can fill mesh completely, and the micropore for needing guiding through exhaust gas on multilayer VOCs catalyst layer just can enter gas passage 403；
0.5 μm or more in exhaust gas of dust can effectively be trapped by the micropore in 2~3 μm of apertures on VOCs catalyst layer, and
99.1% is reached to 1 μm or more of dust collection efficiency, to enable exhaust gas through the filtered dust discharge amount of the present invention
It is down to 18.5mg/m3Hereinafter, the dust removing effects with efficient stable.Catalytic plate 402 can also be through urging while dust removal by filtration
Change the volatile organic waste gas in reaction removing exhaust gas, generates volatile organic waste gas after catalysis reaction harmless
CO2、H2The inorganic matters such as O, to realize its clean-up effect.In such a way that stainless steel is sintered net surface setting VOCs catalyst
The adhesion amount and the uniformity that can effectively improve VOCs catalyst make catalytic plate 402 guarantee to be catalyzed volatile organic waste gas
The thickness of itself is reduced under the conditions of complete, to improve the flow effect of exhaust gas and the purification efficiency to exhaust gas.In exhaust gas
Dust is being attached to 402 outer surface of catalytic plate after being isolated；It, can be periodically to gas by the cooperation of tracheae 8 and puff prot 801
Compressed-air blows in channel 403 allow the dust of 402 outer surface of catalytic plate in the drive whereabouts ash charge small room of compressed air
In 2, the separation and collection to dust are realized.User can also open defeated grey valve 9 through solenoid valve and hand-operated valve automatic or manual, make
The dust for accumulating in grey 2 bottom of small room is expelled directly out from ash hole 7, facilitates cleaning of the worker to dust.
Experimental example: exhaust gas inlet 5 and incinerator of the invention are connected with each other, burn incinerator to domestic animal, live pig
The exhaust gas generated after burning is directly entered in deduster, and temperature of the exhaust gas when entering deduster is 350~550 DEG C, exhaust gas flow
For 2200m3/ h, the VOCs concentration in exhaust gas are 320mg/m3.Exhaust gas passes through the catalytic plate of 8.5mm after entering dust separation room 1
402 pairs its carry out oxidation catalyst filter, when exhaust gas is discharged at gas vent 6, the arresting efficiency of dust is 99.2%, discharge amount
Less than 20mg/m3.And the VOCs concentration that exhaust gas is discharged is 24.64mg/m3, removal efficiency reaches 92.3%, makes odor concentration
Lower than the emission request of standard GB/T 14554.
Claims (9)
1. a kind of Sinter-plate Filter with VOCs remove, it is characterised in that: including dust separation room (1), dedusting is net
Change room (1) lower end and be equipped with grey small room (2), dust separation room (1) upper end is equipped with purification gas room (3), in dust separation room (1)
It is even that several catalysis sintered plates (4) are distributed with, purification gas room (3) are connected at the top of catalysis sintered plate (4), catalysis sintered plate (4) is outside
Side is equipped with injection system；The catalysis sintered plate (4) includes fixed bracket (401), is fixed in bracket (401) there are two setting side by side
Catalytic plate (402) is equipped with gas passage (403) between two catalytic plates (402)；The catalytic plate (402) includes that stainless steel is burnt
Netting, stainless steel sintering net surface are impregnated with VOCs catalyst.
2. a kind of Sinter-plate Filter with VOCs remove according to claim 1, which is characterized in that described to urge
Change plate (402) production method the following steps are included:
1. stainless steel sintered meshwork is successively washed with deionized water after electrochemical deoiling, except dust, descale and activating pretreatment
Only, then processing forms curling corrugated, obtains A stainless steel sintered meshwork；
2. in current density being 0.1 by A stainless steel sintered meshwork using electrolyte of the sulfuric acid as anodic oxidation of 12~15wt%
Anodic oxidation 50 minutes under conditions of~0.5A obtain B stainless steel sintered meshwork；
3. B stainless steel sintered meshwork is impregnated VOCs catalyst, it is washed out, dries, then is roasted under 300~800 DEG C of environment, is living
Change 1 one hours, obtains catalytic plate.
3. a kind of Sinter-plate Filter with VOCs remove according to claim 2, it is characterised in that: described
VOCs catalyst is nitrate mixed liquor, and nitrate mixed liquor includes palladium nitrate solution, further includes that cerous nitrate solution, yttrium nitrate are molten
One or more of liquid, zirconium nitrate solution and silver nitrate solution.
4. a kind of Sinter-plate Filter with VOCs remove according to claim 1, it is characterised in that: described to urge
Change plate (402) with a thickness of 2~10mm, the VOCs catalyst is equipped with the micropore in 2~3 μm of apertures.
5. a kind of Sinter-plate Filter with VOCs remove according to claim 1, it is characterised in that: described to remove
Dirt clean room (1) side is equipped with exhaust gas inlet (5), and purification gas room (3) side is equipped with gas vent (6).
6. a kind of Sinter-plate Filter with VOCs remove according to claim 1, it is characterised in that: the ash
Small room (2) lower end is equipped with ash hole (7), and ash hole (7) is equipped with defeated grey valve (9), and defeated ash valve (9) is equipped with solenoid valve and manually
Valve.
7. a kind of Sinter-plate Filter with VOCs remove according to claim 1, it is characterised in that: the spray
The system of blowing includes the tracheae (8) in purification gas room (3), and tracheae (8) bottom is distributed with multiple positioned at gas passage (403)
The puff prot (801) at top, tracheae (8) upper end extend on the outside of purification gas room (3).
8. a kind of Sinter-plate Filter with VOCs remove according to claim 1, it is characterised in that: work shape
When state, the room temperature of the dust separation room (1) is 250~600 DEG C.
9. a kind of Sinter-plate Filter with VOCs remove according to claim 8, it is characterised in that: work shape
When state, the room temperature of the dust separation room (1) is 280~450 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422681.5A CN109351182A (en) | 2018-11-27 | 2018-11-27 | A kind of Sinter-plate Filter with VOCs remove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422681.5A CN109351182A (en) | 2018-11-27 | 2018-11-27 | A kind of Sinter-plate Filter with VOCs remove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109351182A true CN109351182A (en) | 2019-02-19 |
Family
ID=65342945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811422681.5A Pending CN109351182A (en) | 2018-11-27 | 2018-11-27 | A kind of Sinter-plate Filter with VOCs remove |
Country Status (1)
| Country | Link |
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| CN105709578A (en) * | 2016-03-24 | 2016-06-29 | 上海蓝科石化环保科技股份有限公司 | Flue gas denitrification and dust removal method and system |
| CN108212179A (en) * | 2017-12-23 | 2018-06-29 | 河南工程学院 | For producing the preparation method of the immobilized catalyst particle metal felt of biodiesel |
| CN209287043U (en) * | 2018-11-27 | 2019-08-23 | 蓝天环保设备工程股份有限公司 | Sinter-plate Filter with VOCs remove |
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| CN101015806A (en) * | 2007-02-15 | 2007-08-15 | 浙江工业大学 | Metal mesh type combustion catalyst and its preparing process and application |
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