CN109570179A - Silk-screen workshop VOCs gas sampling processing method and processing device - Google Patents
Silk-screen workshop VOCs gas sampling processing method and processing device Download PDFInfo
- Publication number
- CN109570179A CN109570179A CN201910067459.6A CN201910067459A CN109570179A CN 109570179 A CN109570179 A CN 109570179A CN 201910067459 A CN201910067459 A CN 201910067459A CN 109570179 A CN109570179 A CN 109570179A
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- gas
- vocs
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- tracheae
- screen
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 40
- 238000005070 sampling Methods 0.000 title claims abstract description 15
- 238000003672 processing method Methods 0.000 title claims abstract description 11
- 239000007789 gas Substances 0.000 claims abstract description 80
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 14
- 238000001179 sorption measurement Methods 0.000 claims abstract description 13
- 239000004677 Nylon Substances 0.000 claims abstract description 10
- 229920001778 nylon Polymers 0.000 claims abstract description 10
- 239000002912 waste gas Substances 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 238000000354 decomposition reaction Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract 1
- 238000006303 photolysis reaction Methods 0.000 abstract 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
-
- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to the devices of a kind of silk-screen workshop VOCs gas sampling processing method and realization this method, including several parts compositions of gas collecting tube, reducer pipe, nylon wind-distributing pipe, axial flow blower, UV photodissociation case, activated carbon adsorption case.UV treatment box is used to carry out VOCs gas to resolve into uncontaminated gases, and activated carbon adsorption case is used to again be adsorbed the gas after decomposing and the VOCs gas for having not enough time to decompose.The device of silk-screen workshop VOCs gas sampling processing method and realization this method that the present invention obtains, while improving to VOCs collection treatment effeciency, reduce workshop condition pollution, single unit system disassembly installation is simple, is suitable for using in the production line without length, it is easy to make, reduce enterprise operation cost.
Description
Technical field
The present invention relates to environment protection field more particularly to a kind of silk-screen workshop VOCs gas sampling processing method and realize the party
The device of method.
Background technique
Since operating platform is long, gas is more dispersed in silk-screen workshop, collects relatively difficult, it is contemplated that in operating process
The gas for being dispersed into workshop is VOCs gas, and the density ratio air of this gas is big, can be sunk, while general silk-screen workshop
It is equipped with small fan on operating platform, is toward blow-through on operating platform, gas scatters after blowing to operating platform toward platform both sides, gives up
Gas is collected difficult.
Silk-screen workshop in process of production, can generate exhaust gas largely containing VOCs, if these exhaust gas are directly discharged to
In atmosphere, air pollution is not only resulted in, also results in waste of material, improves production cost.Common VOCs Treatment process has
Combustion method, bioanalysis, absorption process, absorption method, shine catalysis method etc..
Chinese invention patent prospectus CN107261754A discloses a kind of VOCs waste gas recovery processing method and dress
It sets, including four adsorption and desorption, absorption and distillation recovery steps, desorption need a large amount of nitrogen, are easy saving the same of resource
When waste of resource again, and device is complicated, not easy to disassemble.
Summary of the invention
To overcome defect present in above-mentioned VOCs waste gas recovery processing method and processing device, technology to be solved by this invention
Problem one device of offer is simple, pollution-free, the VOCs waste gas recovery processing side that can be suitable for for the assembly line without length
Method and device.
To achieve the above object, the invention provides the following technical scheme: a kind of silk-screen workshop VOCs gas sampling processing side
Method includes the following steps:
A. it collects: VOCs exhaust gas is carried out in centralized collection air inlet pipe;
B. handle: VOCs exhaust gas carries out the decomposition of exhaust gas through UV equipment;
C. it adsorbs: the VOCs gas after decomposition is dried and is adsorbed;
D. it excludes;VOCs gas after decomposition is discharged to outside factory.
It is characterized in that, is also to be carried out in the same sealed environment including the UV processing unit.
It is further limited as to above-mentioned technical proposal, the flowing velocity of the gas in step b before the processing of UV equipment
The speed being adsorbed less than gas in step a.
Further limited as to above-mentioned technical proposal, the gas being collected in step a directly in UV treatment box into
Row decomposes.
A kind of silk-screen workshop VOCs gas sampling processing unit is handled for silk-screen workshop VOCs gas sampling described above
Method, it is characterised in that: a kind of gas sampling processing unit with silk-screen workshop VOCs, including gas collecting tube, the gas collecting tube
Side is provided with gas collection hole, and the lower part of the gas collecting tube is provided with air outlet grate, passes through on the position of air outlet grate on the gas collecting tube
Self threading pin is fixedly connected with reducer pipe, and the other end of the reducer pipe is connected with nylon wind-distributing pipe, the nylon wind-distributing pipe it is another
One end is fixedly connected with the first tracheae, and the other end of first tracheae is fixedly connected with axial flow blower, the axial flow blower face
Rotary switch and power interface are respectively equipped on plate, the other end of the axial flow blower is by the second tracheae and UV equipment treatment box
Connection, the UV equipment treatment box are connected by third tracheae with activated carbon adsorption case, and the inside of the activated carbon adsorption case is set
It is equipped with the first filter screen and the second strainer, and is filled with active carbon among the first filter screen and the second strainer, the active carbon is inhaled
Attached case is communicated with the outside world by the 4th tracheae.
It is further limited as to above-mentioned technical proposal, the gas collecting tube is rectangular shape, and front uniformly opens up
There is gas collection hole.
It is further limited as to above-mentioned technical proposal, the downside of the gas collecting tube offers air outlet grate, and goes out
The quantity of gas grid and the quantity of reducer pipe are identical.
It being further limited as to above-mentioned technical proposal, the reducer pipe is fixedly connected by self threading pin with gas collecting tube,
And reducer pipe is stainless steel material.
It is further limited as to above-mentioned technical proposal, the inside of the waste gas collection device main body is provided with first
Strainer and the second strainer, and active carbon is filled in the first strainer and the second strainer.
Compared with prior art, the beneficial effects of the present invention are:
The VOCs gas sampling processing method that the present invention uses is simple, and UV equipment box also completes exhaust gas in same sealing space
Degradation, the gas after degradation is largely water and carbon dioxide, environmentally protective.
The present invention by being provided with rectangle gas collecting tube in waste gas collection device main body, can according to the length of production line into
The installation of row corresponding length;Since silk-screen workshop VOCs gas density is bigger than air, after being collected by gas collecting tube, gravity will be relied on
It acts through nylon wind-distributing pipe and enters UV equipment box, reduce the energy consumption in production;It, can be with by the suction of axial flow blower
It realizes that full panel absorbs, improves the collection efficiency of exhaust gas;Single unit system structure is simple, economical and practical.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is partial schematic diagram of the invention.
In figure: 1, gas collecting tube;2, gas collection hole;3, self threading pin;4, reducer pipe;5, air outlet grate;6, nylon wind-distributing pipe;7,
One tracheae;8, axial flow blower;9, the second tracheae;10, rotary switch;11, power interface;12, UV equipment treatment box;13, third
Tracheae;14, activated carbon adsorption case;15, the first strainer;16, the second strainer;17, active carbon;18, the 4th tracheae.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
The embodiment of the present invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
1, attached drawing is please referred to, in the embodiment of the present invention, a kind of gas sampling processing unit with silk-screen workshop VOCs, including
Gas collecting tube 1, the side of the gas collecting tube 1 are provided with gas collection hole 2, and the lower part of the gas collecting tube is provided with air outlet grate 5, the gas collecting tube
It is fixedly connected by self threading pin 3 with reducer pipe 4 on the position of air outlet grate 5 on 1, the other end and nylon cloth of the reducer pipe 4
Air hose 6 is connected, and the other end of the nylon wind-distributing pipe 6 is fixedly connected with the first tracheae 7, the other end and axis of first tracheae
Flow fan 8 is fixedly connected, and rotary switch 10 and power interface 11, the axis stream wind are respectively equipped on 8 panel of axial flow blower
The other end of machine 8 is connect by the second tracheae 9 with UV equipment treatment box 12, and the UV equipment treatment box 12 passes through third tracheae
13 are connected with activated carbon adsorption case 14, and the activated carbon adsorption case 14 is internally provided with the first filter screen 15 and the second strainer
16, and active carbon 17 is filled among the first filter screen 15 and the second strainer 16, the activated carbon adsorption case passes through the 4th tracheae
18 communicate with the outside world.
The working principle of the invention is: in silk-screen shopwork, the power interface 11 connected on axial flow blower 8 rotates simultaneously
Button switch 10 to " on " shelves, axial flow blower 8 is started to work, and endotracheal air is evacuated, under atmospheric pressure, in workshop
VOCs gas enters gas collecting tube 1 by gas collection hole 2, after the aggregation of reducer pipe 4, is entered by nylon wind-distributing pipe 6 and the first tracheae 7
Axial flow blower 8 then flows to UV equipment treatment box 12 here, and VOCs gas will be degraded to carbon dioxide and water, through making a living
Property charcoal adsorption box 14 in active carbon suction-operated, moisture and the VOCs gas for having not enough time to degradation on a small quantity is adsorbed, remaining
Gas continues through tracheae and is discharged to the external world.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (8)
1. a kind of silk-screen workshop VOCs gas sampling processing method, includes the following steps:
A. it collects: VOCs exhaust gas is carried out in centralized collection air inlet pipe;
B. handle: VOCs exhaust gas carries out the decomposition of exhaust gas through UV equipment;
C. it adsorbs: the VOCs gas after decomposition is dried and is adsorbed;
D. it excludes;VOCs gas after decomposition is discharged to outside factory;
It is characterised in that it includes the UV processing unit is also to carry out in the same sealed environment.
2. according to the VOCs gas sampling processing method described in claim one, it is characterised in that: UV equipment handles it in step b
The flowing velocity of preceding gas is less than the speed that gas is adsorbed in step a.
3. according to the VOCs gas sampling processing method described in claim one, it is characterised in that: the gas being collected in step a
Directly decomposed in UV treatment box.
4. a kind of gas sampling processing unit with silk-screen workshop VOCs, including gas collecting tube (1), the side of the gas collecting tube (1)
It is provided with gas collection hole (2), the lower part of the gas collecting tube is provided with air outlet grate (5), the position of air outlet grate (5) on the gas collecting tube (1)
It sets and is fixedly connected by self threading pin (3) with reducer pipe (4), the other end and nylon wind-distributing pipe (6) phase of the reducer pipe (4)
Even, the other end of the nylon wind-distributing pipe (6) is fixedly connected with the first tracheae (7), the other end and axis stream of first tracheae
Blower (8) is fixedly connected, and is respectively equipped with rotary switch (10) and power interface (11) on axial flow blower (8) panel, described
The other end of axial flow blower (8) is connect by the second tracheae (9) with UV equipment treatment box (12), the UV equipment treatment box
(12) it is connected with activated carbon adsorption case (14) by third tracheae (13), the activated carbon adsorption case (14) is internally provided with the
One filter screen (15) and the second strainer (16), and active carbon is filled among the first filter screen (15) and the second strainer (16)
(17), the activated carbon adsorption case is communicated with the outside world by the 4th tracheae (18).
5. a kind of waste gas collection device for silk-screen workshop VOCs according to claim 4, it is characterised in that: the collection
Tracheae (1) is rectangular shape, and front is uniformly provided with gas collection hole (2).
6. a kind of waste gas collection device for silk-screen workshop VOCs according to claim 4, it is characterised in that: the collection
The downside of tracheae (1) offers air outlet grate (5), and the quantity of air outlet grate (5) is identical as the quantity of reducer pipe (4).
7. a kind of waste gas collection device for silk-screen workshop VOCs according to claim 4, it is characterised in that: the change
Diameter pipe (4) is fixedly connected by (3) self threading pin with gas collecting tube (1), and reducer pipe is stainless steel material.
8. a kind of waste gas collection device for silk-screen workshop VOCs according to claim 4, it is characterised in that: described useless
The inside of gas collection device main body (1) is provided with the first filter screen (15) and the second filter screen (16), and the first filter screen (15)
With active carbon (17) are filled in the second filter screen (16).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910067459.6A CN109570179A (en) | 2019-01-24 | 2019-01-24 | Silk-screen workshop VOCs gas sampling processing method and processing device |
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CN201910067459.6A CN109570179A (en) | 2019-01-24 | 2019-01-24 | Silk-screen workshop VOCs gas sampling processing method and processing device |
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Publication Number | Publication Date |
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Family
ID=65917324
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CN201910067459.6A Pending CN109570179A (en) | 2019-01-24 | 2019-01-24 | Silk-screen workshop VOCs gas sampling processing method and processing device |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110334186A (en) * | 2019-07-08 | 2019-10-15 | 北京三快在线科技有限公司 | Data query method, apparatus, computer equipment and computer readable storage medium |
CN111922019A (en) * | 2020-07-24 | 2020-11-13 | 北京印刷学院 | VOCs waste gas negative pressure gas collection driving device for printing and packaging workshop |
CN111922018A (en) * | 2020-07-13 | 2020-11-13 | 北京印刷学院 | VOCs waste gas roof negative pressure gas collection device of printing and packaging workshop |
CN111992561A (en) * | 2020-07-15 | 2020-11-27 | 北京印刷学院 | VOCs waste gas negative pressure gas collecting pipe corner line for printing and packaging workshop |
CN112044906A (en) * | 2020-07-11 | 2020-12-08 | 北京印刷学院 | VOCs waste gas wall negative pressure gas collection device in printing and packaging workshop |
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KR20010035502A (en) * | 2001-02-22 | 2001-05-07 | 원광수 | A vocs abatement system for spray booth and a method regenerating activated-carbon filter |
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CN110334186A (en) * | 2019-07-08 | 2019-10-15 | 北京三快在线科技有限公司 | Data query method, apparatus, computer equipment and computer readable storage medium |
CN112044906A (en) * | 2020-07-11 | 2020-12-08 | 北京印刷学院 | VOCs waste gas wall negative pressure gas collection device in printing and packaging workshop |
CN111922018A (en) * | 2020-07-13 | 2020-11-13 | 北京印刷学院 | VOCs waste gas roof negative pressure gas collection device of printing and packaging workshop |
CN111992561A (en) * | 2020-07-15 | 2020-11-27 | 北京印刷学院 | VOCs waste gas negative pressure gas collecting pipe corner line for printing and packaging workshop |
CN111922019A (en) * | 2020-07-24 | 2020-11-13 | 北京印刷学院 | VOCs waste gas negative pressure gas collection driving device for printing and packaging workshop |
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