CN110013748A - Stench multi-stage filtration systems - Google Patents
Stench multi-stage filtration systems Download PDFInfo
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- CN110013748A CN110013748A CN201910238179.7A CN201910238179A CN110013748A CN 110013748 A CN110013748 A CN 110013748A CN 201910238179 A CN201910238179 A CN 201910238179A CN 110013748 A CN110013748 A CN 110013748A
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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
- B01D53/007—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 by irradiation
-
- 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
- B01D53/32—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 by electrical effects other than those provided for in group B01D61/00
- B01D53/323—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 by electrical effects other than those provided for in group B01D61/00 by electrostatic effects or by high-voltage electric fields
-
- 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
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
-
- 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
- B01D53/75—Multi-step processes
-
- 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
- B01D53/84—Biological processes
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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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
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- 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 stench multi-stage filtration systems, including air inlet pipe, the first adsorption tower, the second adsorption tower, plasma treatment appts and UV photodissociation device, air inlet pipe, the first adsorption tower, the second adsorption tower, plasma treatment appts and UV photodissociation device are sequentially connected, first adsorption tower is equipped with several first spray heads for being used to spray Biological decomposer, and the second adsorption tower is equipped with several second spray heads for being used to spray deodorant.The present invention passes through the processing of the first adsorption tower, the second adsorption tower, plasma treatment appts and UV photodissociation device to foul gas, absorption to foul gas, decomposition efficiency can be improved, air quality is improved, the gas of discharge is made to reach national exhaust gas environmental emission standard.
Description
Technical field
The present invention relates to the designs of exhaust gas environmental protection treatment, more particularly, to a kind of cleaning treatment system of foul gas.
Background technique
Volatile organic matter (Volatile Organic Compounds, abbreviation VOCs) refers to that boiling point is 50 under normal pressure
~260 DEG C of organic compound can be divided into aromatic hydrocarbon (hydrogen sulfide, benzene,toluene,xylene), ketone, aldehyde by its chemical structure
Class, amine, halogenated class, unsaturated hydro carbons etc..VOCs is from a wealth of sources, and primary pollution source is industrial source.Industrial source mainly includes stone
The production industry of the raw material containing VOCs such as oil refining and petrochemical industry, Coal dressing and conversion, oils (fuel oil, solvent etc.) storage,
Transport and sales process, coating, ink, adhesive, pesticide etc. are using VOCs as the production industry of raw material.VOCs to people health and
Living environment is harmful, and foul smelling, if the organic exhaust gas of the long-term inhalation of low concentration of people, can cause cough, uncomfortable in chest, asthma very
It is strong carcinogenic substance generally acknowledged at present to chronic respiratory diseases such as pulmonary emphysema.
Spray purification tower, exhaust gas are introduced exhaust gas into mainly by exhaust gas spray purification tower for foul gas processing at present
Neutralization reaction is carried out with buck, then is discharged after demisting plate demisting by blower.The disadvantage is that exhaust gas is inhaled in buck and efficiency is too low
Attached effect is poor, is not able to satisfy environment protection standard requirement.
Summary of the invention
The purpose of the present invention is to provide a kind of stench multi-stage filtration systems, the absorption of VOCs in exhaust gas can be improved and divide
Efficiency is solved, the gas being discharged after purification is made to meet national exhaust gas environmental emission standard.
According to an aspect of the invention, there is provided a kind of stench multi-stage filtration systems, including air inlet pipe, the first absorption
Tower, the second adsorption tower, plasma treatment appts and UV photodissociation device, air inlet pipe, the first adsorption tower, the second adsorption tower, plasma
Processing unit and UV photodissociation device are sequentially connected, and the first adsorption tower is equipped with several the first sprays for being used to spray Biological decomposer
Head, the second adsorption tower are equipped with several second spray heads for being used to spray deodorant.
The beneficial effects of the present invention are: the hydraulic pressure of first spray head and second spray head reaches 30MPa in the present invention, can carry out
High density spray.Biological decomposer is sprayed by the first adsorption tower high density, first order processing is carried out to foul gas, by stench
Part harmful substance in gas, which is removed and incorporated, carries out biochemical decomposition in water, spray deodorant to stench by the second adsorption tower
Gas carries out second level processing, and the part VOCs in foul gas is deodorant agent absorption and is removed.By the first adsorption tower and
Second adsorption tower carries out abundant high density spray washing to foul gas and eliminates most of odor pollutant, remaining stench VOCs
Gas molecule is wrapped up by hydrone and being vaporized, and carries out third level decomposition, adsorption treatment to stench steam into plasma treatment appts.
Negative ion in plasma treatment appts has superpower absorption, capacity of decomposition to stench steam, in absorption stench steam
Stench steam is carried out ionization decomposition by negative ion simultaneously, and most of VOCs in foul gas is removed.UV photodissociation device pair
Foul gas carries out fourth stage processing, is divided the low concentration VOCs of remaining in the offgas using the strong oxidizing property of ultraviolet light
Solution, is handled by the above level Four, foul gas can be purified up to standard.The present invention is by the first, second adsorption tower, at plasma
It manages device and UV photodissociation device and multistage purification processing is carried out to foul gas, the absorption to foul gas can be improved, decompose effect
Rate improves air quality.
In some embodiments, the first adsorption tower include the first adsorption section, the second adsorption section and the first linkage section, first
One end of linkage section is connected with the first adsorption section, and the other end is connected with the second adsorption section.Foul gas can be increased
Residence time in one adsorption tower contacts foul gas sufficiently with the ejecting liquid of the first adsorption tower, makes foul gas
It realizes that high density vaporization is modified, is convenient for subsequent processing.
In some embodiments, the first adsorption tower includes first circulation fluid box, and first circulation fluid box is mounted on
The lower section of one adsorption section and the second adsorption section.Be placed with Biological decomposer in first circulation fluid box, first circulation fluid box with
First spray head is connected by pipeline, and Biological decomposer recycles between first circulation fluid box and first spray head.
In some embodiments, the second adsorption tower includes third adsorption section, the 4th adsorption section and the second linkage section, and second
One end of linkage section is connected with third adsorption section, and the other end is connected with the 4th adsorption section.Foul gas can be increased
Residence time in two adsorption towers contacts foul gas sufficiently with the ejecting liquid of the second adsorption tower, makes foul gas
It realizes that high density vaporization is modified, is convenient for subsequent processing.
In some embodiments, the second adsorption tower includes second circulation fluid box, the second circulation fluid box installation
In the lower section of third adsorption section and the 4th adsorption section.Be placed with deodorant in second circulation fluid box, second circulation fluid box with
Second spray head is connected by pipeline, and the agent of deodorization solution recycles between second circulation fluid box and second spray head.
In some embodiments, the invention also includes the first cross over pipes, lead between the first adsorption tower and the second adsorption tower
The first cross over pipe is crossed to be connected.Guarantee that foul gas can smoothly enter into the second circulation fluid box of the second adsorption tower.
In some embodiments, the invention also includes the second cross over pipe and third cross over pipe, the second adsorption tower and it is equal from
It is connected between sub-processing unit by the second cross over pipe, passes through third connection between plasma treatment appts and UV photodissociation device
Pipe is connected, and the second cross over pipe is equipped with the second inspection hole, and third cross over pipe is equipped with third inspection hole.The second inspection hole is arranged can
The second cross over pipe is repaired and be cleared up, guarantee that plasma treatment appts can operate normally.Third inspection hole is arranged can
Third cross over pipe is repaired and be cleared up, guarantee that UV photodissociation device can operate normally.
In some embodiments, the invention also includes platform and transformer, transformer is mounted on platform, stage+module
On plasma treatment appts, transformer is connected and is electrically connected with plasma treatment appts.Transformer is plasma treatment appts
High voltage power supply is provided, platform provides the place supported and fixed for transformer, guarantees transformer safety in use, simultaneously
Avoid transformer because extraneous factor breaks down or damages to staff.
In some embodiments, the invention also includes exhaust apparatus, exhaust apparatus is connected with UV photodissociation device.Setting
Exhaust apparatus can be such that purified gas is quickly discharged, and guarantee the normal operation of whole system equipment.
In some embodiments, exhaust apparatus includes air-introduced machine, chimney, the 4th cross over pipe and the 5th cross over pipe, and the 4th
One end of cross over pipe is connected with UV photodissociation device, and the other end is connected with air-introduced machine, one end of the 5th cross over pipe and air-introduced machine
It is connected, the other end is connected with chimney.The velocity of discharge of gas, purified gas pass through after the adjustable purification of air-introduced machine
Chimney discharge, into environment.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the stench multi-stage filtration systems of one embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the first adsorption tower of the stench multi-stage filtration systems of one embodiment of the present invention.
Fig. 3 is the structural schematic diagram of the second adsorption tower of the stench multi-stage filtration systems of one embodiment of the present invention.
Fig. 4 is the second cross over pipe and third cross over pipe of the stench multi-stage filtration systems of one embodiment of the present invention
Structural schematic diagram.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
With reference to Fig. 1-4, stench multi-stage filtration systems of the invention are arranged on the ground, by air inlet pipe 1, the first adsorption tower
2, the second adsorption tower 3, plasma treatment appts 5, UV photodissociation device 6 and exhaust apparatus 7 are sequentially connected composition.
First adsorption tower 2 is sequentially connected and is formed by the first adsorption section 21, the first linkage section 23 and the second adsorption section 22, and second
Adsorption tower 3 is sequentially connected and is formed by third adsorption section 31, the second linkage section 33 and the 4th adsorption section 32.First adsorption section 21,
One linkage section 23 and the second adsorption section 22 are collectively formed inverted U-shaped.Third adsorption section 31, the second linkage section 33 and the 4th absorption
Section 32 is also collectively formed inverted U-shaped.
It is symmetrical set four first spray heads 24 in first adsorption tower, is set in the first adsorption section there are two first spray head
24, set that there are two first spray heads 24 in the second adsorption section.First circulation liquid is installed below first adsorption section and the second adsorption section
Body case 25, first circulation fluid box 25 are connected by pipeline with first spray head 24, and the first adsorption section 21 and the second adsorption section 2 are set
There are four first spray head inspection hole 26, four first spray head inspection holes 26 and four first spray heads 24 are corresponded.
It is symmetrical set four second spray heads 34 in second adsorption tower 3, is set in third adsorption section there are two second spray head
34, set that there are two second spray heads 34 in the 4th adsorption section.Second is equipped with below third adsorption section 31 and the 4th adsorption section 32 to follow
Ring fluid box 35, second circulation fluid box 35 are connected by pipeline with second spray head 34, third adsorption section 31 and the 4th absorption
Section 32 is set there are four second spray head inspection hole 36, and four second spray head inspection holes 36 and four second spray heads 34 correspond.
Biological decomposer is placed in first circulation fluid box 25, Biological decomposer is environmentally friendly clearly in Dongguan City day using buying
The microbial deodorant of Co., Ltd, it is interior containing microorganisms such as nitrobacteria, sulfuric acid bacterium and fungies, it can will be in foul gas
Ammonia, hydrogen sulfide are sufficiently washed to first circulation fluid box 25, and to ammonia, hydrogen sulfide molecule in first circulation fluid box 25
Carry out biological decomposition.Biological decomposer is regularly replaced to guarantee resolution ratio.
Deodorant is placed in second circulation fluid box 35, deodorant contains active powdered carbon, can be by having in foul gas
Evil substance, which sufficiently washs, to be adsorbed onto second circulation fluid box 35, regularly replaces deodorant to guarantee adsorption rate.
Two circulating pumps are separately mounted to outside first circulation fluid box 25 and second circulation fluid box 35, circulating pump with
First spray head 24 and first circulation fluid box 25 connect, another circulating pump and second spray head 34 and second circulation fluid box 35 connect
It connects.Recycling for Biological decomposer and deodorant may be implemented.
Platform 4 is mounted on plasma treatment appts 5, transformer 41 be mounted on platform 4 and with plasma treatment appts 5
Electrical connection.Transformer 41 is that plasma generator 5 provides high voltage power supply.Plasma treatment appts 5 are additionally provided with ladder 51 and check
Mouthful, facilitate worker to overhaul and safeguard.
Plasma treatment appts 5 are attached with second circulation fluid box 35 by the second cross over pipe 9, UV photodissociation device 6
It is connect by third cross over pipe 10 with plasma treatment appts 5, UV photodissociation device 6 is UV photodissociation air purifier.Second connection
It is equipped with the second inspection hole 91 in pipe 9, the second cross over pipe 9 can be cleared up in time, repaired.The is equipped in third cross over pipe 10
Three inspection holes 101 can clear up third cross over pipe 10, be repaired.
Exhaust apparatus 7 is made of air-introduced machine 71, chimney 72, the 4th cross over pipe 70 and the 5th cross over pipe 73, the 4th cross over pipe
70 one end is connected with UV photodissociation device 6, and the other end is connected with air-introduced machine 71, one end of the 5th cross over pipe 73 and air-introduced machine
71 are connected, and the other end is connected with chimney.
Specific working mode of the invention: foul gas enters in first circulation fluid box 25 by air inlet pipe 1, effluvium
Part VOCs in body is adsorbed and is decomposed by the Biological decomposer in first circulation fluid box 25, and foul gas is gone successively to, the
One spray head 24 is sprayed water downwards, keeps foul gas flow direction opposite with Biological decomposer flow direction.Foul gas and biology point
Solution agent is sufficiently mixed, to make the partial organic substances in foul gas be dissolved in liquid and flow back into first circulation liquid with liquid
Body case 25.Circulating pump is connect with first circulation fluid box 25 and spray head 24, by purified biology in first circulation fluid box 25
Distintegrant is transported in spray head 24 to reuse.
Foul gas is by the first linkage section 23 subsequently into the second adsorption section 22, at this time foul gas flow direction and life
Object distintegrant flow direction is consistent.Exhaust gas is sufficiently mixed with Biological decomposer, to make Biological decomposer will be in foul gas
Some organic pollutants are dissolved in Biological decomposer, and flow into first circulation fluid box 25 with liquid.
Foul gas becomes moisture state by level high-density spray in the first adsorption tower 2, makes hydrone by gas
In harmful substance wrapped up.
Foul gas sequentially enters third adsorption section 31, the second linkage section 33 and the 4th adsorption section by the second adsorption section 22
32, deodorant is placed in second circulation water tank 35.Gas flow direction and deodorant flow direction phase in third adsorption section 31
Instead, gas flow direction is identical as deodorant flow direction in the 4th adsorption section 32, and deodorant has with the part in foul gas
Machine pollutant is sufficiently mixed, and is adsorbed and brought into second circulation fluid box 35.Harmful substance in foul gas is second
Continue to be wrapped up by hydrone by two level high-densities spray in adsorption tower 3, keep moisture state, does standard for the decomposition of subsequent electron ion
It is standby.
Foul gas enters in plasma treatment appts 5, and transformer 41 is that plasma treatment appts 5 provide high voltage power supply,
Several cathode tubes of arranging in plasma treatment appts 5 form high intensity electric fields, high density negative ion are released, by effluvium
VOCs in body carries out adsorption-decomposition function.
Foul gas is after the purification of plasma treatment appts 5, into UV photodissociation device 6.UV in UV photodissociation device 6
The ultraviolet spectra that generator releases has strong oxidizing property, can decompose the low concentration VOCs etc. that removal remains in foul gas
Harmful substance purifies foul gas again.
Purified gas enters the 4th cross over pipe 70 under the action of air-introduced machine 71 by the 5th cross over pipe 73 and chimney 72
Discharge.
The present invention is decomposed by level high-density spray, two level high-densities spray absorption, plasma adsorption-decomposition function and UV light
The level Four purified treatment of oxygenolysis decomposes the noxious substance in foul gas, so that the gas of discharge is reached country useless
Gas environmental emission standard.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (10)
1. stench multi-stage filtration systems, which is characterized in that including air inlet pipe (1), the first adsorption tower (2), the second adsorption tower (3),
Plasma treatment appts (5) and UV photodissociation device (6), the air inlet pipe (1), the first adsorption tower (2), the second adsorption tower (3), etc.
Ion manipulation arrangement (5) and UV photodissociation device (6) are sequentially connected, and first adsorption tower (2) is equipped with several for spraying life
The first spray head (24) of object distintegrant, second adsorption tower (3) are equipped with several second spray heads for being used to spray deodorant
(34)。
2. stench multi-stage filtration systems according to claim 1, which is characterized in that first adsorption tower (2) includes the
One adsorption section (21), the second adsorption section (22) and the first linkage section (23), one end of first linkage section (23) are inhaled with first
Attached section is connected, and the other end is connected with the second adsorption section.
3. stench multi-stage filtration systems according to claim 2, which is characterized in that first adsorption tower (2) includes the
One circulating liquid case (25), the first circulation fluid box (25) are mounted on the first adsorption section (21) and the second adsorption section (22)
Lower section.
4. stench multi-stage filtration systems according to claim 1, which is characterized in that second adsorption tower (3) includes the
Three adsorption sections (31), the 4th adsorption section (32) and the second linkage section (33), one end of second linkage section (33) and third are inhaled
Attached section is connected, and the other end is connected with the 4th adsorption section.
5. stench multi-stage filtration systems according to claim 4, which is characterized in that second adsorption tower (3) includes the
Two circulating liquid casees (35), the second circulation fluid box (35) are mounted on third adsorption section (31) and the 4th adsorption section (32)
Lower section.
6. stench multi-stage filtration systems according to claim 1, which is characterized in that it further include the first cross over pipe (8), it is described
It is connected between first adsorption tower (2) and the second adsorption tower (3) by the first cross over pipe (8).
7. stench multi-stage filtration systems according to claim 1, which is characterized in that further include the second cross over pipe (9) and
Three cross over pipes (10) are connected between second adsorption tower (3) and plasma treatment appts (5) by the second cross over pipe (9),
It is connected between the plasma treatment appts (5) and UV photodissociation device (6) by third cross over pipe (10), second connection
It manages (9) and is equipped with the second inspection hole (91), the third cross over pipe (10) is equipped with third inspection hole (101).
8. stench multi-stage filtration systems according to claim 1, which is characterized in that further include platform (4) and transformer
(41), the transformer (41) is mounted on platform (4), and the platform (4) is mounted on plasma treatment appts (5), described
Transformer (41) is connected and is electrically connected with plasma treatment appts (5).
9. stench multi-stage filtration systems according to claim 1, which is characterized in that further include exhaust apparatus (7), the row
Device of air (7) is connected with UV photodissociation device (6).
10. stench multi-stage filtration systems according to claim 9, which is characterized in that the exhaust apparatus (7) includes air inducing
Machine (71), chimney (72), the 4th cross over pipe (70) and the 5th cross over pipe (73), one end of the 4th cross over pipe (70) and UV light
Solution device (6) is connected, and the other end is connected with air-introduced machine (71), one end and air-introduced machine (71) of the 5th cross over pipe (73)
It is connected, the other end is connected with chimney (72).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910238179.7A CN110013748A (en) | 2019-03-27 | 2019-03-27 | Stench multi-stage filtration systems |
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| CN201910238179.7A CN110013748A (en) | 2019-03-27 | 2019-03-27 | Stench multi-stage filtration systems |
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| CN110013748A true CN110013748A (en) | 2019-07-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021148211A3 (en) * | 2020-01-23 | 2021-10-14 | Kunststoff Helmbrechts Ag | Method and devices for purifying exhaust air |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021148211A3 (en) * | 2020-01-23 | 2021-10-14 | Kunststoff Helmbrechts Ag | Method and devices for purifying exhaust air |
| CN114599441A (en) * | 2020-01-23 | 2022-06-07 | 黑尔姆布雷希茨塑料股份公司 | Method for exhaust gas purification |
| CN114599441B (en) * | 2020-01-23 | 2023-07-28 | 黑尔姆布雷希茨塑料股份公司 | Method for purifying exhaust gas |
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