CN106938173A - A kind of micro-nano bubble dyeing waste-water of plasma, VOCs coprocessing systems - Google Patents

A kind of micro-nano bubble dyeing waste-water of plasma, VOCs coprocessing systems Download PDF

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Publication number
CN106938173A
CN106938173A CN201710149217.2A CN201710149217A CN106938173A CN 106938173 A CN106938173 A CN 106938173A CN 201710149217 A CN201710149217 A CN 201710149217A CN 106938173 A CN106938173 A CN 106938173A
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CN
China
Prior art keywords
micro
water
waste
vocs
waste gas
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CN201710149217.2A
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Chinese (zh)
Inventor
张迎晨
吴红艳
张夏楠
陈卉烜
邵瑶瑶
廖崇实
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中原工学院
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Priority to CN201710149217.2A priority Critical patent/CN106938173A/en
Publication of CN106938173A publication Critical patent/CN106938173A/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/38Removing components of undefined structure
    • B01D53/44Organic components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/76Gas phase processes, e.g. by using aerosols
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/10Oxidants
    • B01D2251/104Ozone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708Volatile organic compounds V.O.C.'s
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/80Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/818Employing electrical discharges or the generation of a plasma
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

The invention belongs to exhaust-gas treatment field, it is related to a kind of micro-nano bubble dyeing waste-water of plasma, VOCs coprocessing systems.Including discarding purifier, dyeing waste-water spray liquid circulation filter and micro-nano bubble generator;The waste gas purification apparatus includes plasma producing apparatus and waste gas purification chamber;Blast pipe, axial flow blower, vapor-liquid separation chamber, spray chamber and collecting pit are sequentially provided with waste gas purification room from top to bottom;Gas outlet on plasma producing apparatus is connected with spray chamber;Micro-nano bubble generator also includes separation pump, filtering cabin, dyeing waste-water spray liquid storage tank and micro-nano airlift pump.The system carries out the repeatedly degradation treatment such as plasma pyrolysis, the absorption of micro-nano bubble droplet, the superpower oxidation of micro-nano bubble to the waste gas containing VOC, it is safer with respect to other processing methods, it is easy to operate, and processing cost is low so that and VOCs clearance is up to more than 97%.

Description

A kind of micro-nano bubble dyeing waste-water of plasma, VOCs coprocessing systems
Technical field
The invention belongs to exhaust-gas treatment field, it is related to a kind of micro-nano bubble dyeing waste-water of plasma, at VOCs collaborations Reason system.
Background technology
Perfect with nearly 2 years laws and regulations and standard, VOCs (volatile organic matter) progresses into environmental protection industry (epi) and public affairs Many visuals field, VOCs is the most most important precursor before PM 2.5 is formed, and fine particles pollution is gradually serious, for controlling for VOCs Reason has become a big emphasis of various regions air contaminant treatment.VOCs also forms Secondary Organic gas in addition to producing ozone pollution Colloidal sol (25-35%), VOCs has become the decisive precursor of China's city photochemical fog.Particulate Pollution pollution is reduced, Photochemical fog is removed, urban air-quality is improved, VOCs control is imperative.
According to the insiders, it is expected that VOCs policies are just running into the flex point phase, it is contemplated that will go out successively during 2017 and " 13 " Platform VOCs charges for disposing pollutants policy and relevant industries standard.A tossed stone raises a thousand ripples, and VOCs successfully upgrades to air contaminant treatment The new focus of industry concern.
Low temperature etc. is industrial, and the industry that VOCs discharges are related to is numerous, and pollutant kind is various, and composition is complicated, and its species has Hydro carbons, ketone, esters, alcohols, phenols, aldehydes, amine, cyanogen class etc..So Treatment process system is complicated, it is related to 10 multiple technologies And combination technique.Current application most wide VOCs Treatment process mainly includes adsorption recovery technology, Adsorption Concentration technology, life Thing method, Production by Catalytic Combustion Process, Adsorption Concentration-catalysis burning, low temperature plasma+absorption techniques, low temperature plasma+catalysis technique With high temperature incineration technology etc..But it is due to that VOCs species is more, discharge industry is more, emission source disperses, Treatment process is complicated, does not have at present There is single a certain technology to administer VOCs across multiple industries.
VOCs complicated components, different types of compound property is different, and the VOCs of most industries is again with the shape of mixture Formula is discharged, therefore is often difficult to reach regulation effect using single Treatment process, is not also calculated economically, under normal circumstances The combination using a variety of Treatment process is needed, good regulation effect is can be only achieved.
Conventional method is:High concentration, have recovery value, first have to reclaim, then controlled using others technologies Reason.For the waste gas of mid-strength range, there is being reclaimed for recovery value, no recovery value will be burnt.But Low concentration, the most waste gas discharge that industry distribution relatively disperses perplexs person skilled always.
At present, domestic VOC processing equipments are required to high-temperature process based on heat-accumulation combustion method and catalytic oxidation, tool There is great risk, and input cost is higher.In recent years, VOC processing system has different improvement, but still suffers from Certain deficiency.As patent CN 205073862U are handled and purified micro-nano bubble purification using circulation fluid device for cleansing and recycling The circulation fluid containing more VOCs pollutants that tower and microbial cleaning tower are produced, automatically feeds and reuses, greatly optimize Monomer micro-nano bubble purifying column and microbial cleaning tower processing system produce the restrictive condition of waste liquid secondary pollution so that micro- Nano bubble purifying column and microbial cleaning tower combine processing VOCs waste gas can widely use but it is specifically used during, also have The problem of VOC emission is not up to standard.CN105056726 A disclose a kind of micro-nano bubble processing system of VOC ozone, including useless Flash Gas Compression Skid System, Water spray liquid circulation filter, micro-nano bubble generator and ozone generating-device.But patent makes The popularization and application of the patent are limited with ozone generating-device.
The content of the invention
In view of the existing deficiencies of the prior art, its main purpose is to provide a kind of simple to operate, safe efficient the present invention Rate, a kind of micro-nano bubble dyeing waste-water of plasma of the VOC qualified discharges of low cost, VOCs coprocessing systems.
To achieve the above object, the present invention uses following technical scheme:
A kind of micro-nano bubble dyeing waste-water of plasma, VOCs coprocessing systems, including discarded purifier, dyeing waste-water Spray liquid circulation filter and micro-nano bubble generator;The waste gas purification apparatus include plasma producing apparatus and Waste gas purification chamber, plasma producing apparatus is provided with air inlet and gas outlet;Waste gas purification is sequentially provided with from top to bottom in room Blast pipe, axial flow blower, vapor-liquid separation chamber, spray chamber and collecting pit;Gas outlet and spray chamber on plasma producing apparatus It is connected, waterfog head is provided with spray chamber;The micro-nano bubble generator also includes separation pump, filtering cabin, dyes and give up Water spray liquid storage tank and micro-nano airlift pump;Waterfog head in spray chamber is connected by right side water pipe with micro-nano airlift pump It is logical, aerosol extraction tube is additionally provided between spray chamber and micro-nano airlift pump, is sequentially provided between collecting pit and micro-nano airlift pump Separate pump, filtering cabin and dyeing waste-water spray liquid storage tank.
The system carries out first time degradation treatment by plasma producing apparatus to dyeing waste-water and VOCs, then gives up Gas, waste water enter waste gas purification chamber, in the presence of axial flow blower, and waste gas is moved upwards, during by gas-liquid separation device, waste gas It is discharged, VOCs waste water enters collecting pit;VOCs waste water in collecting pit passes through separation of solid and liquid after separation pump and filtering cabin, Gu Body is excluded by separation bin bottom, and liquid enters dyeing waste-water and sprays liquid storage tank, and the waste water that dyeing waste-water is sprayed in liquid storage tank enters Waste gas in nano bubble pump in a subtle way, waste gas purification room enters micro-nano airlift pump, micro-nano airlift pump through aerosol extraction tube Pump out liquid, by through waterfog head secondary-atomizing, formed after water pipe at a high speed, high pressure jet stream, form new rich in micro-nano The spraying liquid of bubble, is again introduced into waste gas purification chamber, carries out the secondary superpower oxidative degradations of VOCs and adsorbs, realizes dyeing waste-water With VOCs circularly purifying.
The plasma producing apparatus is normal temperature and pressure plasma generator, in the mistake of degraded dyeing waste-water and VOCs Ozone is produced in journey, the ozone of generation can also further aoxidize VOCs simultaneously.
Waste gas and waste water in the waste gas purification room are rich ozoniferous useless after predominantly being handled through plasma generator Gas, the waste water containing VOCs and pump out liquid from waterfog head interior circulation.
It is described to pump out liquid giving up for the VOCs waste water in rich waste gas ozoniferous, collecting pit and from waste gas purification chamber extraction Gas and VOCs waste water, the new micro-nano air-bubble of formation.
The beneficial effects of the present invention are:
1st, the system uses a kind of micro-nano bubble dyeing waste-water of plasma, VOCs coprocessing systems to the waste gas containing VOC The repeatedly degradation treatment such as plasma pyrolysis, the absorption of micro-nano bubble droplet, the superpower oxidation of micro-nano bubble is carried out, with respect to other Processing method is safer, easy to operate, and processing cost is low;So that VOCs clearance is up to more than 97%.
2nd, a large amount of water smokes, water smoke are contained in the VOCs gases by the micro-nano bubble dyeing waste-water spray liquid processing of ozone In adsorbed the reacted intermediates of part undegraded VOCs and VOCs, pass through gas and water separator, remove discharge gas In water smoke, the VOCs compositions more fully gone in removing exhaust gas.
Brief description of the drawings
Fig. 1 is system structure diagram of the invention.
Wherein, 1- air inlets, 2- plasma producing apparatus, 3- gas outlets, 4- waste gas purification chambers, 5- vapor-liquid separation chamber, 6- blast pipes, 7- axial flow blowers, 8- spray chambers, 9- waterfog heads, 10- water pipes, 11- aerosol extraction tubes, the micro-nano bubbles of 12- Pump, 13- dyeing waste-waters spray liquid storage tank, 14- filtering cabins, 15- separation pumps, 16- collecting pits.
Embodiment
A kind of micro-nano bubble dyeing waste-water of plasma, VOCs coprocessing systems, including discarded purifier, dyeing Waste water spray liquid circulation filter and micro-nano bubble generator;The waste gas purification apparatus is filled including plasma 2 and waste gas purification chamber 4 are put, plasma producing apparatus 2 is provided with air inlet 1 and gas outlet 3;In waste gas purification chamber 4 on to Under be sequentially provided with blast pipe 6, axial flow blower 7, vapor-liquid separation chamber 5, spray chamber 8 and collecting pit 16;On plasma producing apparatus 2 Gas outlet 3 be connected with spray chamber 8, waterfog head 9 is provided with spray chamber 8;The micro-nano bubble generator also includes Separate pump 15, filtering cabin 14, dyeing waste-water spray liquid storage tank 13 and micro-nano airlift pump 12;Waterfog head 9 in spray chamber 8 leads to Cross right side water pipe 10 with micro-nano airlift pump 12 to be connected, aerosol extraction is additionally provided between spray chamber 8 and micro-nano airlift pump 12 Pipe 11, is sequentially provided with separation pump 15, filtering cabin 14 and the storage of dyeing waste-water spray liquid between collecting pit 16 and micro-nano airlift pump 12 Tank 13.
The system carries out first time degradation treatment by plasma producing apparatus 2 to dyeing waste-water and VOCs, then Waste gas, waste water enter waste gas purification chamber 4, and in the presence of axial flow blower 7, waste gas is moved upwards, during by gas-liquid separation device, Waste gas is discharged, and VOCs waste water enters collecting pit 16;VOCs waste water in collecting pit 16 by separation pump 15 and filtering cabin 14 it Separation of solid and liquid afterwards, solid is excluded by separation bin bottom, and liquid enters dyeing waste-water and sprays liquid storage tank 13, dyeing waste-water spray liquid The waste gas that waste water in storage tank 13 enters in micro-nano airlift pump 12, waste gas purification chamber 4 enters micro-nano through aerosol extraction tube 11 Rice airlift pump 12, micro-nano airlift pump 12 pumps out liquid, by, through waterfog head 9 secondary-atomizing, formed after water pipe 10 at a high speed, it is high Injection stream is pressed, the new spraying liquid rich in micro-nano bubble is formed, waste gas purification chamber 4 is again introduced into, secondary VOCs is carried out superpower Oxidative degradation is simultaneously adsorbed, and realizes dyeing waste-water and VOCs circularly purifying.The plasma producing apparatus 2 is normal temperature and pressure Plasma generator, produces ozone, the ozone of generation simultaneously can also be further during degraded dyeing waste-water and VOCs Aoxidize VOCs.Waste gas and waste water in the waste gas purification chamber 4 are mainly, rich ozoniferous after being handled through plasma generator Waste gas, the waste water containing VOCs and pump out liquid from the interior circulation of waterfog head 9.The liquid that pumps out is rich waste gas ozoniferous, receipts Collect the VOCs waste water in pond 16 and the waste gas and VOCs waste water that are extracted from waste gas purification chamber 4, the new micro-nano bubble of formation Water.
Actual test data instance
The present apparatus is applied to exhausted air quantity and is more than 20,000 m3The operating mode of relatively small air quantity is can apply to after/h occasion, miniaturization Close.

Claims (5)

1. a kind of micro-nano bubble dyeing waste-water of plasma, VOCs coprocessing systems, it is characterised in that:Including discarded purification Device, dyeing waste-water spray liquid circulation filter and micro-nano bubble generator;The waste gas purification apparatus include wait from Daughter generating means(2)And waste gas purification chamber(4), plasma producing apparatus(2)It is provided with air inlet(1)And gas outlet(3); Waste gas purification chamber(4)Blast pipe is inside sequentially provided with from top to bottom(6), axial flow blower(7), vapor-liquid separation chamber(5), spray chamber(8) And collecting pit(16);Plasma producing apparatus(2)On gas outlet(3)With spray chamber(8)It is connected, spray chamber(8)Inside set There is waterfog head(9);The micro-nano bubble generator also includes separation pump(15), filtering cabin(14), dyeing waste-water spray Liquid storage tank(13)With micro-nano airlift pump(12);Spray chamber(8)Interior waterfog head(9)Pass through right side water pipe(10)With it is micro-nano Airlift pump(12)It is connected, spray chamber(8)With micro-nano airlift pump(12)Between be additionally provided with aerosol extraction tube(11), collecting pit (16)With micro-nano airlift pump(12)Between be sequentially provided with separation pump(15), filtering cabin(14)Liquid storage tank is sprayed with dyeing waste-water (13).
2. the micro-nano bubble dyeing waste-water of plasma according to claim 1, VOCs coprocessing systems, its feature exist In:The system passes through plasma producing apparatus(2)First time degradation treatment is carried out to dyeing waste-water and VOCs, then given up Gas, waste water enter waste gas purification chamber(4), in axial flow blower(7)In the presence of, waste gas is moved upwards, by vapor-liquid separation chamber(5) When, waste gas is discharged, and VOCs waste water enters collecting pit(16);Collecting pit(16)In VOCs waste water by separation pump(15)And mistake Filter position(14)Separation of solid and liquid afterwards, solid passes through collecting pit(16)Bottom is excluded, and liquid enters dyeing waste-water and sprays liquid storage tank (13), dyeing waste-water spray liquid storage tank(13)Interior waste water enters micro-nano airlift pump(12), waste gas purification chamber(4)Interior waste gas Body is through aerosol extraction tube(11)Into micro-nano airlift pump(12), micro-nano airlift pump(12)Pump out liquid, pass through water pipe(10) By waterfog head(9)Secondary-atomizing, forms high speed, high pressure jet stream, forms the new spraying liquid rich in micro-nano bubble, then Secondary entrance waste gas purification chamber(4), carry out the secondary superpower oxidative degradations of VOCs and adsorb, realize dyeing waste-water and VOCs circulation Purification.
3. the micro-nano bubble dyeing waste-water of plasma according to claim 1 or 2, VOCs coprocessing systems, it is special Levy and be:The plasma producing apparatus(2)For normal temperature and pressure plasma generator, in degraded dyeing waste-water and VOCs During produce ozone, the ozone of generation can also further aoxidize VOC simultaneously.
4. the micro-nano bubble dyeing waste-water of plasma according to claim 1 or 2, VOCs coprocessing systems, it is special Levy and be:The waste gas purification chamber(4)Interior waste gas and waste water is rich waste gas ozoniferous after being handled through plasma generator, Waste water containing VOC and from waterfog head(9)Interior circulation pumps out liquid.
5. the micro-nano bubble dyeing waste-water of plasma according to claim 2, VOCs coprocessing systems, its feature exist In:The liquid that pumps out is rich waste gas ozoniferous, collecting pit(16)In VOCs waste water and from waste gas purification chamber(4)Extract Waste gas and VOCs waste water, the new micro-nano air-bubble of formation.
CN201710149217.2A 2017-03-14 2017-03-14 A kind of micro-nano bubble dyeing waste-water of plasma, VOCs coprocessing systems CN106938173A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110508113A (en) * 2019-10-24 2019-11-29 山东润扬环保设备有限公司 The system and technique of micro-nano oxygen bubbles collaboration iron ion processing organic exhaust gas

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1973991A (en) * 2006-11-01 2007-06-06 浙江大学 Synchronous gas-liquid purifying high voltage DC/pulse discharge method and device
CN104028066A (en) * 2014-06-04 2014-09-10 杭州电子科技大学 Method and device for treating VOCs (Volatile Organic Chemicals) waste gas
CN105056726A (en) * 2015-08-11 2015-11-18 东莞市博硕环境科技有限公司 VOC (volatile organic compound) treatment system adopting ozone and micro-nano-bubbles

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1973991A (en) * 2006-11-01 2007-06-06 浙江大学 Synchronous gas-liquid purifying high voltage DC/pulse discharge method and device
CN104028066A (en) * 2014-06-04 2014-09-10 杭州电子科技大学 Method and device for treating VOCs (Volatile Organic Chemicals) waste gas
CN105056726A (en) * 2015-08-11 2015-11-18 东莞市博硕环境科技有限公司 VOC (volatile organic compound) treatment system adopting ozone and micro-nano-bubbles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110508113A (en) * 2019-10-24 2019-11-29 山东润扬环保设备有限公司 The system and technique of micro-nano oxygen bubbles collaboration iron ion processing organic exhaust gas
CN110508113B (en) * 2019-10-24 2020-02-04 山东润扬环保设备有限公司 System and process for treating organic waste gas by micro-nano oxygen bubbles in cooperation with iron ions

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