CN106902621A - Purifier - Google Patents
Purifier Download PDFInfo
- Publication number
- CN106902621A CN106902621A CN201710295063.8A CN201710295063A CN106902621A CN 106902621 A CN106902621 A CN 106902621A CN 201710295063 A CN201710295063 A CN 201710295063A CN 106902621 A CN106902621 A CN 106902621A
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- Prior art keywords
- gas
- waste gas
- oxidation
- warehouse
- storehouse
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- 239000007789 gas Substances 0.000 claims abstract description 79
- 230000003647 oxidation Effects 0.000 claims abstract description 68
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 68
- 239000002912 waste gas Substances 0.000 claims abstract description 49
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 37
- 230000008676 import Effects 0.000 claims abstract description 7
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 5
- 230000003197 catalytic effect Effects 0.000 claims description 19
- 238000005507 spraying Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 7
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- 238000009795 derivation Methods 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 238000000746 purification Methods 0.000 abstract description 8
- 150000003384 small molecules Chemical class 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 15
- 238000000034 method Methods 0.000 description 15
- 239000003054 catalyst Substances 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- 239000003344 environmental pollutant Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 231100000719 pollutant Toxicity 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000002649 leather substitute Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000000356 contaminant Substances 0.000 description 5
- 239000012855 volatile organic compound Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/32—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
-
- 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
- B01D53/34—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
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Toxicology (AREA)
- Biomedical Technology (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention discloses a kind of purifier, including waste gas imports component, exhaust-gas treatment component and gas and derives component, wherein, waste gas imports component includes gas skirt and the waste gas pipeline road being connected with gas skirt；Exhaust-gas treatment component includes the interconnected low-temperature plasma oxidation of warehouse and the catalysis oxidation storehouse that are set gradually along waste gas flow direction, and the gas input of low-temperature plasma oxidation of warehouse is connected with waste gas pipeline road；Gas derives component includes the air exhauster of the gas output end for being arranged on catalysis oxidation storehouse.Organic exhaust gas can be decomposed by setting low-temperature plasma oxidation of warehouse, it is completely broken down organic exhaust gas part, remainder is broken down into small molecule, and sets catalysis oxidation storehouse and then the waste gas after decomposition can thoroughly be decomposed and aoxidized, and is fully cleaned up organic exhaust gas.Contrast prior art, this purifier has the advantages that floor space is small, operating cost is low, treating capacity is big, purification efficiency is high and will not produce secondary pollution.
Description
Technical field
Technical field of waste gas treatment, more particularly to a kind of purifier are produced the present invention relates to synthetic leather and artificial leather.
Background technology
In the production of synthetic leather and artificial leather, because technique needs to use substantial amounts of organic solvent, can be dissipated in production process
Substantial amounts of VOC is sent, for example：The organic gas such as DMF (dimethylformamide), benzene,toluene,xylene, seriously
Harmful to human health and pollution environment.
The purification means of the waste gas in current industry in purification treatment leather production process mainly include：
1. washing absorption method
Washing absorption method is made so as to reaching by allowing gas containing pollutant and liquid-absorbant (such as water) to be fully contacted
Pollutant from gas phase transition for liquid phase a kind of mode of operation.The equipment that washing absorption method is used is mainly packed tower, plate column
Or the absorption plant such as spray tower, such absorption plant can be used to process the pollutant of Wind Volume, and volume fraction range is 3 × 10-2
~5 × 10-9, clearance is different with contaminant component according to absorbent and differ larger, generally higher than 50%, what is had can be high
Up to 98%.The technique is in itself a kind of typical separation problem, accordingly, there exist liquid-absorbant regeneration and the problem for processing.
2. active carbon adsorption
Active carbon adsorption is generally used to treatment Wind Volume, low temperature (generally less than 50 DEG C), low volume fraction (generally below
5×10-4) organic exhaust gas, and the Volume fraction 5 × 10 of DMF (dimethylformamide)-4Much higher, temperature have also exceeded 50
℃.In addition to reducing operating cost, steam is typically taken useful organic pollution to be desorbed the regeneration means for reclaiming, and match somebody with somebody
There are 2 sets of identical systems parallel operation (a set of for running, a set of for regenerating), therefore the technological process is long, operating cost
Height, needs the vapour source of stabilization to also increase operation difficulty during regenerative operation.It can be seen that from technical, economy angle,
The method is not suitable for the treatment of DMF waste gas.
3. combustion method
Combustion method is mainly used in purified treatment combustible component content pernicious gas higher, and auxiliary combustion is needed during burning treatment
Material, the general technical advantage in 600~800 DEG C of techniques of its treatment temperature is purification efficiency high, and simple in equipment is safeguarded
Easily；But the technique has that operating cost is high, economic benefit is small, the defects such as secondary pollution is easily caused, particularly in anoxycausis
When clean-up effect substantially reduce.
In sum, there is investment to the waste gas processing method in leather production process and processing equipment in the prior art
It is high, operating cost is high, treating capacity is small, unstable working condition, take up room that big, purification efficiency is low, there is potential safety hazard and
Secondary pollution problems.
The content of the invention
It is an object of the invention to：A kind of purifier is provided, the waste gas in its energy efficient process leather production process, fortune
Row low cost, treating capacity be big and non-secondary pollution.
It is that, up to above-mentioned purpose, the present invention uses following technical scheme：
A kind of purifier is provided, including：
Waste gas imports component, including gas skirt and the waste gas pipeline road that is connected with the gas skirt, and the gas skirt is remote
One end and atmosphere from the waste gas pipeline road；
Exhaust-gas treatment component, including the interconnected low-temperature plasma oxidation of warehouse and catalysis for setting gradually are flowed to along waste gas
Oxidation of warehouse, the low-temperature plasma oxidation of warehouse can be decomposed to organic exhaust gas, and the catalysis oxidation storehouse can be to the institute after decomposition
Stating organic exhaust gas carries out catalysis oxidation, wherein, gas input and the waste gas pipeline of the low-temperature plasma oxidation of warehouse
Road is connected；
Gas derives component, including the air exhauster for being arranged on the gas output end in the catalysis oxidation storehouse.
As a kind of preferred scheme of purifier, set gradually along waste gas flow direction inside the low-temperature plasma oxidation of warehouse
Dedusting plate and at least one plasma module.
Used as a kind of preferred scheme of purifier, the plasma module is low-temperature plasma module；And/or, it is described
Dedusting plate is 304 roughing efficiency air filters.
Transmitting tube, ballast and catalysis mould are set as a kind of preferred scheme of purifier, in the catalysis oxidation storehouse
Block, in each described catalytic module correspondence at least one described in ballast described in transmitting tube and at least one, the transmitting tube with
The ballast quantity is identical, and corresponds.
Used as a kind of preferred scheme of purifier, the transmitting tube is ultraviolet emissioning tube；And/or, the catalysis mould
Block is Ni-based Titanium Dioxide module.
As a kind of preferred scheme of purifier, condensate drain outlet is additionally provided with the catalysis oxidation storehouse, it is described
Condensate drain outlet is connected with water tank.
As a kind of preferred scheme of purifier, also including spraying oxidation of warehouse, high pressure is set in the spraying oxidation of warehouse
Micro pump and oxidant storage bin, at least one atomizer, the atomization spray are set at the top in the catalysis oxidation storehouse
Mouth is connected with the water side of the high pressure micro pump, and the water intake end of the high pressure micro pump connects with the oxidant storage bin
Connect.
Used as a kind of preferred scheme of purifier, the gas is derived component and is arranged in the spraying oxidation of warehouse, institute
Stating gas derivation component includes the gas eduction tube connected with the catalysis oxidation storehouse, and the air exhauster is led installed in the gas
In outlet pipe.
Used as a kind of preferred scheme of purifier, also including automaton, the automaton includes electricity
Control case and Abgassensor, set master controller and memory in the electric cabinet, the Abgassensor is arranged on described useless
On letter shoot road, the Abgassensor is electrically connected with the master controller.
Used as a kind of preferred scheme of purifier, also including containment housing, the waste gas is imported at component, the waste gas
Reason component and the gas are derived component and are arranged in the containment housing.
Beneficial effects of the present invention are：Purification assembly of the invention can be to organic by setting low-temperature plasma oxidation of warehouse
Waste gas is decomposed, and is completely broken down organic exhaust gas part, and remainder is broken down into small molecule, and sets catalysis oxidation storehouse
Then the waste gas after decomposition can thoroughly be decomposed and aoxidized, be fully cleaned up organic exhaust gas.Contrast prior art, this is net
Makeup is put to be had the advantages that floor space is small, operating cost is low, treating capacity is big, purification efficiency is high and will not produce secondary pollution.
Brief description of the drawings
The present invention is described in further detail below according to drawings and Examples.
Fig. 1 is the structural representation of the purifier described in the embodiment of the present invention.
Fig. 2 is the schematic cross-sectional view of the purifier described in the embodiment of the present invention.
Fig. 3 is the structural representation of the catalytic module in the purifier described in the embodiment of the present invention.
Fig. 4 is the structural representation of the transmitting tube in the purifier described in the embodiment of the present invention.
Fig. 5 is the structural representation of the plasma module in the purifier described in the embodiment of the present invention.
Fig. 6 is the cleaning principle figure of the purifier described in the embodiment of the present invention.
Fig. 7 is the Catalysis Principles figure of the catalytic module of the purifier described in the embodiment of the present invention.
In figure：
1st, gas skirt；2nd, waste gas pipeline road；3rd, low-temperature plasma oxidation of warehouse；4th, catalysis oxidation storehouse；5th, air exhauster；6th, remove
Dirt plate；7th, plasma module；8th, transmitting tube；9th, ballast；10th, catalytic module；101st, housing；102nd, web plate；103rd, handle；
11st, condensate drain outlet；12nd, electric cabinet；13rd, spraying oxidation of warehouse；14th, high pressure micro pump；15th, oxidant storage bin；16th, mist
Change nozzle；17th, gas eduction tube.
Specific embodiment
For make present invention solves the technical problem that, the technical scheme that uses and the technique effect that reaches it is clearer, below
The technical scheme of the embodiment of the present invention will be described in further detail with reference to accompanying drawing, it is clear that described embodiment is only
It is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, those skilled in the art exist
The every other embodiment obtained under the premise of creative work is not made, the scope of protection of the invention is belonged to.
In the description of the invention, unless otherwise clearly defined and limited, term " connected ", " connection ", " fixation " is answered
It is interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can mechanically connect,
It can be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two companies of element internal
Logical or two interaction relationships of element.For the ordinary skill in the art, can understand above-mentioned with concrete condition
Term concrete meaning in the present invention.
As shown in Fig. 1 to 5, in the present embodiment, a kind of purifier of the present invention, including：
Waste gas imports component, including gas skirt 1 and the waste gas pipeline road 2 that is connected with the gas skirt 1, the gas skirt
1 one end and atmosphere away from the waste gas pipeline road 2；
Exhaust-gas treatment component, including the interconnected low-temperature plasma oxidation of warehouse 3 for setting gradually is flowed to along waste gas and is urged
Change oxidation of warehouse 4, the low-temperature plasma oxidation of warehouse 3 can be decomposed to organic exhaust gas, after the catalysis oxidation storehouse 4 can be to decomposition
The organic exhaust gas carry out catalysis oxidation, wherein, the gas input of the low-temperature plasma oxidation of warehouse 3 is defeated with the waste gas
Pipeline 2 is sent to connect；
Gas derives component, including the air exhauster 5 for being arranged on the gas output end in the catalysis oxidation storehouse 4.
Waste gas is entered at waste gas through the twitch of air exhauster 5 by gas skirt 1 and waste gas pipeline road 2 that waste gas imports component
The low-temperature plasma oxidation of warehouse 3 of component is managed, part organic exhaust gas are completely broken down, and remainder organic exhaust gas are broken down into smaller
Molecule, waste gas enters back into catalysis oxidation storehouse 4, and waste gas is thoroughly decomposed oxidation in catalysis oxidation storehouse 4, and the air after purification passes through again
Gas is derived component and is derived.Purifier floor space of the invention is small, is suitable for the special of characteristics of compact layout and narrow field
Environment, can realize the waste gas produced in efficient process synthetic leather and artificial leather production process, and operating cost is low, treating capacity is big
And non-secondary pollution.In addition, purifier of the invention also solves single plasma or ultraviolet catalytic equipment clean is not thorough
Bottom, the low problem for the treatment of effeciency.
In a preferred embodiment of the invention, set successively along waste gas flow direction inside the low-temperature plasma oxidation of warehouse 3
Put the plasma module 7 of dedusting plate 6 and at least one.
Further, the plasma module 7 is low-temperature plasma module, and the dedusting plate 6 is 304 roughing efficiency air filters.
Be set to low-temperature plasma module by by plasma module 7, can under the impact of the high energy electron of low-temperature plasma module,
A part of pending gaseous contaminant in organic exhaust gas is converted into harmless material, remaining pollutant can by ionization,
The effect such as dissociate and excite form substantial amounts of plasma and small molecules fragments, processed in order to follow-up oxidation and absorption；It is logical
Cross and dedusting plate 6 be set to 304 roughing efficiency air filters, can large area filtering gas, and can realize cleaning and reusing, subtract
Few operating cost, improves filter efficiency.
The principle of low-temperature plasma resume module pollutant is：In the presence of extra electric field, it is big that medium discharge is produced
Amount takes energy electron bombardment contaminant molecule, makes its ionization, dissociates and excite, and has then just triggered the physics of a series of complex, has changed
Learn reaction, complicated macromolecule contaminant is changed into simple small molecule safe material, or make harmful substance be changed into it is nontoxic or
The material of the low evil of low toxicity, so that pollutant is able to degraded removal.Because the averaged electron energy produced after its ionization is in 10ev, fit
When controlling, reaction condition can cause generally to be difficult to or the very slow chemical reaction of speed becomes very quick.
Preferably, the multiple plasma modules 7 of equidistantly distributed in the low-temperature plasma oxidation of warehouse 3.
Transmitting tube 8, ballast 9 are set in another preferred embodiment of the invention, in the catalysis oxidation storehouse 4 and are urged
Change module 10, ballast 9, institute described in transmitting tube 8 and at least one described in correspondence at least one in each described catalytic module 10
State transmitting tube 8 identical with the quantity of the ballast 9, and correspond.
Further, the multiple catalytic modules 10 of spaced set are flowed to along waste gas in the catalysis oxidation storehouse 4, it is adjacent
Multiple transmitting tubes 8 in latticed arrangement are set between catalytic module 10, and multiple is in the transmitting tube 8 of latticed arrangement
The plane at place is parallel with the surface of the catalytic module 10.
Preferably, the transmitting tube 8 is ultraviolet emissioning tube, and the catalytic module 10 is Ni-based Titanium Dioxide mould
Block, the transmitting tube 8 uses ceramic lamp base.
Further, the catalytic module 10 includes housing 101 and the web plate 102 on the housing 101, described
The Ni-based titanium deoxide catalyst of at least one of which solid state is coated with web plate 102, the housing 101 is aluminum alloy outer frame,
Its length and width matches with the inside dimension in the catalysis oxidation storehouse 4.
The handle 103 for being easy to extract the catalytic module 10 is also set up on the housing 101.
In the present embodiment, the titanium dioxide in catalytic module 10 loses electronics, shape by high energy ultraviolet irradiation surface
Into electron hole, it is changed into the excitation state of Showed Very Brisk, easily winning the electronics in emission molecule makes oneself to recover ground state, waste gas point
Son loses electronics, forms active free state, and its reaction principle is as shown in Figure 7.
Wherein, the category of high energy ultraviolet transmitting tube 8 low-pressure mercury discharge pipe, the wavelengths of ultraviolet radiation for sending is 185nm, correspondence
Photon energy be 647KJ/mol, such as to cracking organic exhaust gas molecule molecular link, the photon energy launched must be than having
The bond energy of machine emission molecule key is higher.In an embodiment of the present invention, pending organic exhaust gas mainly include benzene, DMF (diformazans
Base formamide), TVOC (TOVC) and other organic gas, table 1 lists the master included in organic exhaust gas
Want molecular link and the bond energy corresponding to the molecular link.As it can be seen from table 1 the ultraviolet that high energy ultraviolet transmitting tube 8 sends
Bond energy of the photon energy higher than molecular link in table 1, and the molecule of most of chemical substances combine can be more purple than 185nm wavelength high energy
The photon energy of outer ray is low, so, waste gas can be cracked by high energy ultraviolet, and under high energy ultraviolet radiation exposure, organic exhaust gas enter
Enter after being provided with the catalysis oxidation storehouse of multigroup high energy ultraviolet ray emission pipe, can wherein complete cracking reaction.
Table 1：Molecular link and corresponding bond energy in organic exhaust gas
| With reference to | Bond energy (KJ/mol) | With reference to | Bond energy (KJ/mol) |
| H-H | 436.2 | C-H | 413.6 |
| H-C | 347.9 | C-F | 441.2 |
| C-C | 607.0 | C-N | 291.2 |
| C-S | 272 | C-O | 351.6 |
| O-O | 139.0 | O-H | 463.0 |
In a preferred embodiment of the invention, condensate drain outlet 11 is additionally provided with the catalysis oxidation storehouse 4,
The condensate drain outlet 11 is connected with water tank.
In another preferred embodiment of the invention, purifier also includes spraying oxidation of warehouse 13, the spraying oxidation
High pressure micro pump 14 and oxidant storage bin 15 are set in storehouse 13, at least one is set at the top in the catalysis oxidation storehouse 4
Atomizer 16, the atomizer 16 is connected with the water side of the high pressure micro pump 14, the high pressure micro pump 14
Water intake end be connected with the oxidant storage bin 15.
Used as a kind of preferred scheme of purifier, the gas is derived component and is arranged in the spraying oxidation of warehouse 13,
The gas derives component includes the gas eduction tube 17 connected with the catalysis oxidation storehouse 4, and the air exhauster 5 is arranged on described
On gas eduction tube 17.
In one embodiment of this invention, purifier also includes automaton, and the automaton includes
Master controller and memory are set in electric cabinet 12 and Abgassensor, the electric cabinet 12, and the Abgassensor is arranged on
On the waste gas pipeline road 2, the Abgassensor is electrically connected with the master controller.
Further, the electric cabinet respectively with the air exhauster 5, plasma module 7, the transmitting tube 8, described
Ballast 9, the high pressure micro pump 14 are electrically connected.
Abgassensor is arranged on waste gas pipeline road 2, and organic exhaust gas that can be in real time to being sucked by gas skirt 1 enter
Row detection, detects the constituent of organic exhaust gas, and testing result is sent to memory storage by master controller, and controls low temperature etc.
All parts in ionic oxide formation storehouse 3, catalysis oxidation storehouse 4 and spraying oxidation of warehouse 13 start to purify work.
In another embodiment of the invention, purifier also includes containment housing, and the waste gas imports component, described useless
Gas disposal component and the gas are derived component and are arranged in the containment housing.
As shown in fig. 6, the cleaning principle of purifier of the invention is as follows：
(1) organic exhaust gas (DMF, benzene, dimethylbenzene, VOC etc.) enter low-temperature plasma oxidation of warehouse 3, in plasma module 7
Under the impact of high energy electron, a part of pending gaseous contaminant is converted into harmless material, and remaining pollutant is by electricity
From, dissociate and the effect such as excite to form substantial amounts of plasma and small molecules fragments, and produce the accessory substances such as ozone.Due to whole
During produce substantial amounts of ion, electronics, excited atom, molecule and free radical isoreactivity material, so be especially suitable for degraded
The pollutant of VOCs these difficult degradations.VOCs (volatile organic compounds) volatile organic matter, refers to normal temperature
Lower saturated vapor pressure is more than organic compound of the boiling point below 260 DEG C under 70Pa, normal pressure, or vapour pressure is big under the conditions of 20 DEG C
In or equal to 10Pa with corresponding volatile whole organic compounds.
(2) catalyst in catalytic module 10 has suction-operated, small point of plasma degradation generation to emission molecule
Sub- fragment is conducive to entering into the inner surface of catalyst, so as to increase the adsorbance of catalyst.
(3) catalyst that catalyst and atomizer 16 in catalytic module 10 sprays can absorb ultraviolet light release
Photon energy, excites hole-electron pair.Hole-electron is to that can be transferred to catalyst surface, and the edge of energy band meets phase
, there is redox reaction in the requirement answered；Additionally, the irradiation for passing through ultraviolet light, the surface plasma body resonant vibration of noble metal makes electricity
Son departs from metal, and electronics directly migrates to the conduction band of semiconductor in the presence of fermi level, so forming sky in metal surface
Position, enhances the dirty ability of drop.
(4) in plasma-ultraviolet catalytic combined system, except two kinds of independent roles of process, it is also possible to exist
Synergy between the two.Photochemical catalyst can change electric discharge type and the high energy electron distribution of plasma, in addition, can also
Produce such as new active particle of superoxide radical.And low temperature plasma can produce influence on the physico-chemical property of catalyst, bag
Include modified catalyst, strengthen adsorption process, hot activation and triggering photocatalysis.
In the description of this specification, the description of reference term " embodiment ", " example " etc. means to combine the embodiment
Or specific features, structure, material or the feature that example is described are contained at least one embodiment of the invention or example.
In this specification, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or example.And, the tool of description
Body characteristicses, structure, material or feature can in an appropriate manner be combined in one or more any embodiments or example.
Know-why of the invention is described above in association with specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and can not by any way be construed to limiting the scope of the invention.Based on explanation herein, the technology of this area
Personnel associate other specific embodiments of the invention by would not require any inventive effort, these modes fall within
Within protection scope of the present invention.
Claims (10)
1. a kind of purifier, it is characterised in that including：
Waste gas imports component, including gas skirt and the waste gas pipeline road that is connected with the gas skirt, and the gas skirt is away from institute
State one end and the atmosphere in waste gas pipeline road；
Exhaust-gas treatment component, including the interconnected low-temperature plasma oxidation of warehouse and catalysis oxidation set gradually along waste gas flow direction
Storehouse, the low-temperature plasma oxidation of warehouse can be decomposed to organic exhaust gas, and the catalysis oxidation storehouse can be to having described in after decomposition
Machine waste gas carries out catalysis oxidation, wherein, the gas input of the low-temperature plasma oxidation of warehouse connects with the waste gas pipeline road
Connect；
Gas derives component, including the air exhauster for being arranged on the gas output end in the catalysis oxidation storehouse.
2. purifier according to claim 1, it is characterised in that along waste gas stream inside the low-temperature plasma oxidation of warehouse
To setting gradually dedusting plate and at least one plasma module.
3. purifier according to claim 2, it is characterised in that the plasma module is low-temperature plasma module；
And/or, the dedusting plate is 304 roughing efficiency air filters.
4. purifier according to claim 1, it is characterised in that transmitting tube, ballast are set in the catalysis oxidation storehouse
Device and catalytic module, ballast described in transmitting tube and at least one, institute described in correspondence at least one in each described catalytic module
State transmitting tube identical with the ballast quantity, and correspond.
5. purifier according to claim 4, it is characterised in that the transmitting tube is ultraviolet emissioning tube；And/or,
The catalytic module is Ni-based Titanium Dioxide module.
6. purifier according to claim 4, it is characterised in that condensed water row is additionally provided with the catalysis oxidation storehouse
Mouth is put, the condensate drain outlet is connected with water tank.
7. purifier according to claim 4, it is characterised in that also including spraying oxidation of warehouse, the spraying oxidation of warehouse
It is interior that high pressure micro pump and oxidant storage bin are set, at the top in the catalysis oxidation storehouse, at least one atomizer is set,
The atomizer is connected with the water side of the high pressure micro pump, water intake end and the oxidation of the high pressure micro pump
Agent storage bin is connected.
8. purifier according to claim 7, it is characterised in that the gas is derived component and is arranged on the spraying oxygen
Change in storehouse, the gas derives component includes the gas eduction tube connected with the catalysis oxidation storehouse, the air exhauster is arranged on
On the gas eduction tube.
9. purifier according to claim 7, it is characterised in that described to automatically control also including automaton
Device includes setting master controller and memory in electric cabinet and Abgassensor, the electric cabinet, the Abgassensor peace
On the waste gas pipeline road, the Abgassensor is electrically connected with the master controller.
10. the purifier according to any one of claim 1 to 9, it is characterised in that also including containment housing, it is described useless
Conductance enters component, the exhaust-gas treatment component and the gas derivation component and is arranged in the containment housing.
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| CN201710295063.8A CN106902621A (en) | 2017-04-28 | 2017-04-28 | Purifier |
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| CN201710295063.8A CN106902621A (en) | 2017-04-28 | 2017-04-28 | Purifier |
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| CN114748967A (en) * | 2022-05-12 | 2022-07-15 | 深圳市智盾环保科技有限公司 | Organic waste gas high-efficiency photolysis equipment and organic waste gas photolysis treatment method |
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Application publication date: 20170630 |