CN106621749A - Waste gas purification equipment with stink removal and VOCs (volatile organic compounds) degradation functions - Google Patents
Waste gas purification equipment with stink removal and VOCs (volatile organic compounds) degradation functions Download PDFInfo
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- CN106621749A CN106621749A CN201611055479.4A CN201611055479A CN106621749A CN 106621749 A CN106621749 A CN 106621749A CN 201611055479 A CN201611055479 A CN 201611055479A CN 106621749 A CN106621749 A CN 106621749A
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 40
- 238000000746 purification Methods 0.000 title claims abstract description 39
- 239000002912 waste gas Substances 0.000 title claims abstract description 31
- 230000006870 function Effects 0.000 title abstract description 4
- 230000015556 catabolic process Effects 0.000 title abstract 3
- 238000006731 degradation reaction Methods 0.000 title abstract 3
- 239000007789 gas Substances 0.000 claims abstract description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 230000003647 oxidation Effects 0.000 claims abstract description 40
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 40
- 239000007921 spray Substances 0.000 claims abstract description 31
- 239000000945 filler Substances 0.000 claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims description 42
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 19
- 239000005416 organic matter Substances 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 31
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- 238000003915 air pollution Methods 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
-
- 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
- B01D53/34—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
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/104—Ozone
-
- 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
- B01D2257/00—Components to be removed
- B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses waste gas purification equipment with stink removal and VOCs (volatile organic compounds) degradation functions. The waste gas purification equipment comprises a gas flow channel, a three-level oxidation section, a two-level spherical filler purification section, a two-level composite filler purification section, a circulating spray outlet, a demister, a reducing outlet, a reducing inlet, a flow equalizing device, a circulating spray inlet, a primary oxidation section, a one-level spherical filler purification section, a two-level oxidation section, a spray pipeline, a one-level composite filler purification section, an equipment shell body, a water tank and a circulating pump. The waste gas purification equipment with the stink removal and VOCs degradation functions has the advantages that oxidation and biological synergistic effects are combined with inertial dust removal principles, accordingly, stinky molecules and volatile organic compounds (VOCs) can be removed, dust in waste gas can be removed, and the gas can be thoroughly and effectively purified; water used in all procedures can be recycled, and accordingly the waste gas purification equipment is extremely low in water consumption; discarded circulating water can reach standards and can be discharged after being pertinently easily treated, and accordingly the problem of secondary pollution can be solved.
Description
Technical field
The invention belongs to waste gas treatment equipment technical field, is related to a kind of off-gas cleaning equipment, more particularly to a kind of removal
Stench degraded VOCs off-gas cleaning equipments.
Background technology
Impact of the foul gass to human environment is one very important problem of today's society, has caused people more next
More concerns.In some developed countries, the ratio that people complain to stench also more and more higher.In Australia, to stench
Complaint account for environmental pollution is always complained 91.3%；In the U.S., whole air pollutions are complained more than 50% is accounted for；In Japan for only
Inferior to the second of noise.In each big city of China, complaint of the resident to stench has been presented the trend of sharp increase, has caused
The great attention of GUAN spot door.
It is distributed in impact standard present many aspects of the foul gass in city country life cell to health：Give
People bring offending sensation, if things go on like this, can more cause physiology and psychological disease, such as emotional instability, agitation, food
It is intended to depressed, olfactory sensation imbalance, insomnia even nausea, headache and induces asthma etc..The stench of high concentration can more cause human body important
There are obstacle and pathological changes in physiological Mechanism, make one to produce chronic disease and shorten the life-span, and when serious even contaminated crowd can occur
Acute disease simultaneously causes death.
China takes at present purified treatment measure, such as Production by Catalytic Combustion Process, absorption process, absorption method etc. to organic exhaust gas, from
From the end of the eighties, environmental worker both domestic and external increasingly pays close attention to the handling process that gaseous contaminant is removed using bioanalysises, and
It is increasingly becoming one of forward position focus problem of world industry waste gas purification research.In Germany, Holland and Japan etc. in deodorize and near
Existing some successful examples in the organic waste-gas purification practice of several years, counted according to 1991, and there is more than 500 biofilter in Europe
In operation, most treatment effeciency is more than 90%.It is domestic to be still in terms of bioanalysises remove the research of gaseous contaminant
Starting stage, it is anticipated that biologic treating technique has broad prospect of application in Air Pollution Control field.
In recent years, the pollution control of VOC (abbreviation VOC) waste gas becomes the another of countries in the world concern
Focus；Volatile organic waste gas process refer to volatile hydrocarbon and their derivative, it include hydro carbons, aromatic hydrocarbons,
Alcohols, aldehydes, ketone, esters, amine, organic acid etc..It is near several that biologic treating technique is applied to the purified treatment of organic exhaust gas
Year is inchoate, is an emerging technology.Common biological treatment includes Biological fitler method, biological island, biology
Washing method, membrane bioreactor and rotating disc type biofiltration reactor method.
It is by the harmful substance in waste gas on the biological cleaning process nature of industrial waste gas using the vital movement of microorganism
It is changed into simple Organic substance (such as CO2 or H2O) and Cytoplasm.It is being proposed according to Dutch scholar Ot-tengraf, normal in the world
Absorption-biofilm theory, when biochemical process processes organic exhaust gas, typically experiences following step,
Organic pollution in 1 waste gas contacts first and is dissolved in the water (i.e. mountain mists membrane diffusion is to liquid film) with water
2 organic pollutions being dissolved in liquid film diffuse further into biomembrane under the promotion of concentration difference, and then by it
In microorganism-capturing and absorb
3 organic pollutions entered in microbial body are in the metabolic process of its own by as the energy and nutrient substance
It is decomposed, Jing biochemical reaction is eventually converted into harmless compound, such as CO2 and H2O.
In sum, the biological treatment of waste gas is that the gaseous contaminant in waste gas is decomposed using the life process of microorganism
Change into less or or even innocuous substance.There are various microorganisms in nature, it is nearly all inorganic and organically dirty
Dye thing can be converted.Biological treatment need not regenerate and other high-level processes, compared with other methods of purification, with equipment letter
The advantages of list, low, safe and reliable energy consumption, non-secondary pollution, but the polluter mankind can not be recycled scientific and technological constantly progressive
Promotion under be devoted to that, operating cost little to environmental disruption be low, easy to operate, efficiency high processing method exploration all the time.
Foreign countries' research of Biochemical method organic exhaust gas has more than 30 years history, and the technology is quite ripe.
The biological treatment of organic exhaust gas is most economical effective method, and effect is good, operating cost is less than any process
Method, it is safe, easy to operate.The biological clarification of VOC has direct microbial cleaning method, indirect microorganism treatment, and (first water absorbs
Biological wastewater treatment again) and plant purification method etc..Directly biological cleaning have bio-absorbable pond, zinc cation pond, bio-trickling filter,
Biological filter, high treating effect, easy to operate, wherein biological filter technology maturation, using more.As Germany and Holland build
There is hundreds of waste gas biofilter, operational effect is all fine.Indirectly biological treatment is to absorb VOC with water or weak lye, wherein
The materials such as the alcohols, the aldehydes that contain are soluble in water, the means of waste water reuse biodegradation after absorption, make discharged wastewater met the national standard.Plant is net
Change method is exactly that on-site increases green coverage, and the pollutant in air are absorbed and converted using green plantss come purify air, this
The method of kind is applied to the pollution of overall situation low concentration.
Conventional odor pollution control has absorption, activated carbon adsorption, burning, medicament sprinkling, plasma with degraded VOC technologies
Oxidation, biotechnology degraded etc., it is selected generally according to the type and characteristic of waste gas.
Processing equipment is mostly only with single kind for the treatment of technology present on existing market, therefore the suitability is not wide enough.And
Now industrial waste gas comparison of ingredients is complicated, and only for the product of single treatment object, its treatment effect can have a greatly reduced quality naturally.And
In actual applications, many equipment are due to not perfect enough in design, and using effect is also unsatisfactory.Generally there is treating capacity not
Greatly, handling rate is not high, high energy consumption, the problems such as equipment volume is big.
In view of this, nowadays in the urgent need to designing a kind of new waste gas purification apparatus, to overcome existing purifier to deposit
Drawbacks described above.
The content of the invention
The technical problem to be solved is：A kind of removal stench degraded VOCs off-gas cleaning equipments are provided, can be made
Thoroughly effectively, and with water recycling capable of circulation, water consumption is low for gas purification.
To solve above-mentioned technical problem, the present invention is adopted the following technical scheme that：
One kind remove stench degraded VOCs off-gas cleaning equipments, the cleaning equipment include gas channel, tertiary oxidation section,
It is the purification of two grades of Ball-type packings, two grades of compounded mix clean-up stages, circulated sprinkling outlet, demister, reducing outlet, reducing entrance, equal
Stream device, circulated sprinkling entrance, primary oxidation section, primary spherical filler clean-up stage, secondary oxidation section, spray piping, one-level are multiple
Close filler clean-up stage, device housings main body, water tank, circulating pump；
The bottom of the cleaning equipment arranges gas channel, and the lower section of gas channel arranges water tank, circulating pump；The air-flow
The top of passage arranges the first container, second container, and the first container is arranged near second container；
The top of first container is provided with reducing entrance, and reducing entrance lower section sets gradually current equalizer, circulated sprinkling
Entrance, primary oxidation section, primary spherical filler clean-up stage, secondary oxidation section, one-level compounded mix clean-up stage；
The top of the second container is provided with reducing outlet, and reducing outlet lower section sets gradually demister, circulated sprinkling and goes out
Mouth, two grades of compounded mix clean-up stages, two grades of Ball-type packing purifications, tertiary oxidation sections；The circulating pump is connected by spray piping
Circulated sprinkling entrance, circulated sprinkling outlet.
Used as a preferred embodiment of the present invention, the reducing porch is provided with air-introduced machine, containing malodor molecule and volatilization
The waste gas of property Organic substance VOCs is collected at the scene and is admitted to the cleaning equipment by air channel in the presence of air-introduced machine.
Used as a preferred embodiment of the present invention, the spray piping is connected with circulating pump, and the circulating pump is from water tank
Draw water as spray section water source, also serve as the cleaning pump of water tank cleaning.
Used as a preferred embodiment of the present invention, it is logical that first container, second container and gas channel form U-shaped turnover
Road.
Used as a preferred embodiment of the present invention, the off-gas cleaning equipment also includes heater, and heater is arranged at gas
The lower section of circulation road；Heater and circulating pump connection PLC, by PLC control.
As a preferred embodiment of the present invention, in the device housings main body temperature sensor, temperature sensor are provided with
Connect the PLC.
Used as a preferred embodiment of the present invention, the off-gas cleaning equipment also includes drain valve, and drain valve is arranged at gas
The lower section of circulation road, the bottom of device housings main body.
Used as a preferred embodiment of the present invention, the gas channel is V-type gas channel, used as water collection sheet.
Used as a preferred embodiment of the present invention, the spray piping is furnished with electromagnetic valve and hand-operated valve, realizes automatically and handss
Dynamic operation.
The multi-stage oxidizing biological method purification equipment of the present invention, its gas flow process is sequentially passed through：Reducing entrance -- homogenizing plate --
Circulated sprinkling --- primary oxidation section --- primary spherical filler clean-up stage -- secondary oxidation section -- purification of one-level compounded mix -- V-type
Gas channel (water collection sheet) -- tertiary oxidation section -- two grades of Ball-type packing purifications --- two grades of compounded mix purifications --- Jing circulation sprays
Drench section --- demister --- reducing outlet etc..
Its structure includes gateway flange reducing mouth device, and bottom homogenizing plate, homogenizing plate lower section are followed successively by circulation Water spray
Device, primary oxidation section, primary spherical filler clean-up stage, secondary oxidation section, one-level compounded mix clean-up stage, horizontal direction Jing every
From plate, V-type gas channel (water collection sheet) composite device, V-type gas channel upper right side be successively tertiary oxidation section, two grades spherical fill out
Material purification, two grades of compounded mix purifications, circulated sprinkling section, demister, reducing are exported etc..
Shower water pipeline, is risen by device external from bottom water tank and is connected to spray section；Circulating pump, positioned at device external,
It is close to water tank side.
Water tank includes water collection sheet, V-type gas channel (water collection sheet) bottom；Access hole, positioned at water tank side wall center；Heating system
System, is arranged at water tank bottom.
Described multi-stage oxidizing biological method purification equipment, its further feature is that device interior is provided with longitudinal baffle, is made
Waste gas increases the time of staying by U-shaped path, improves treatment effect.The air inlet of equipment and gas outlet are respectively positioned on equipment top
Portion, is easily installed.
Described multi-stage oxidizing biological method purification equipment, its further feature is only to be capable of achieving spray by circulating pump
With water tank cleaning function, and optionally water circulation can be used, be economized on water very much.
Described multi-stage oxidizing biological method purification equipment, its further feature be equipment can be furnished with temperature sensor and
Heating system, can automatically heat when temperature is less than zero degree, prevent water tank from freezing.
The invention has the beneficial effects as follows：From the waste gas containing foul smelling and volatile organic matter (VOCs) that air inlet is entered
Current equalizer is arrived first at, gas is made even into equipment, into spray section, in the presence of shower water, EGT declines,
Part dust, water solublity malodor molecule and volatile organic matter (VOCs) are entrained in water.Subsequently waste gas reaches primary oxidation section,
The oxidation synergism for radiating and radiating generation in UV decomposes malodor molecule therein and volatile organic matter (VOCs), also has
Water under part malodor molecule is modified as soluble substance by top spray by the effect absorbs.Waste gas is again through biological ball
Shape filler, compounded mix etc., a series of technique purification.
Technological process is specific as follows：
Waste exhaust gases ----reducing entrance --- homogenizing plate --- circulated sprinkling --- primary oxidation section --- primary spherical filler
--- --- one-level compounded mix purifies --- V-type gas channel (water collection sheet) --- tertiary oxidation section --- to secondary oxidation section to clean-up stage
--- --- --- demister --- reducing outlet -- is clean for Jing circulated sprinkling sections for two grades of compounded mix purifications for two grades of Ball-type packing purifications
Gas is discharged
The beneficial effects of the present invention is：Removal stench degraded VOCs off-gas cleaning equipments proposed by the present invention, by oxygen
Change with biological cooperative effect and with reference to the principle removal malodor molecule and volatile organic matter (VOCs) of inertial dust collection, and while
The dust gone in removing exhaust gas, makes gas purification thoroughly effective.All processes water recycling capable of circulation, water consumption is extremely low；It is useless
The recirculated water abandoned Jing after targetedly simple process by qualified discharge, non-secondary pollution problem.
Description of the drawings
Fig. 1 is the structural representation of off-gas cleaning equipment of the present invention.
Specific embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with the accompanying drawings.
Embodiment one
Fig. 1 is referred to, present invention is disclosed a kind of remove stench degraded VOCs off-gas cleaning equipments, the cleaning equipment bag
Include drain valve 1, heater 2, gas channel 3,4, two grades of Ball-type packings of tertiary oxidation section and purify 5, two grades of compounded mix clean-up stages
6th, circulated sprinkling outlet 7, demister 8, reducing outlet 9, reducing entrance 10, current equalizer 11, circulated sprinkling entrance 12, primary oxygen
Change section 13, primary spherical filler clean-up stage 14, secondary oxidation section 15, spray piping 16, one-level compounded mix clean-up stage 17, equipment
Housing main body 18, water tank 19, circulating pump 20；
The bottom of the cleaning equipment arranges gas channel 3, and the lower section of gas channel 3 arranges water tank 19, circulating pump 20, row
Water valve 1, heater 2, drain valve 1 is arranged at the bottom of device housings main body 18；The top of the gas channel 3 arranges first and holds
Device, second container, the first container is arranged near second container.First container, second container and gas channel 3 form U-shaped
Access way.
The top of first container is provided with reducing entrance 10, and the lower section of reducing entrance 10 sets gradually current equalizer 11, follows
Ring spray inlet 12, primary oxidation section 13, primary spherical filler clean-up stage 14, secondary oxidation section 15, the purification of one-level compounded mix
Section 17.
The top of the second container is provided with reducing outlet 9, and the lower section of reducing outlet 9 sets gradually demister 8, circulated sprinkling
7, two grades of outlet, 6, two grades of compounded mix clean-up stage Ball-type packing purification 5, tertiary oxidation section 4；The circulating pump 20 is by spray
The connection circulated sprinkling entrance 12, circulated sprinkling of pipeline 16 outlet 7.The spray piping 16 is connected with circulating pump 20, the circulation
Pump 20 draws water as spray section water source from water tank 19, also serves as the cleaning pump of water tank cleaning.
Air-introduced machine is provided with the reducing entrance 10, the waste gas containing malodor molecule and volatile organic matter VOCs is at the scene
Collect and the cleaning equipment is admitted to by air channel in the presence of air-introduced machine.
Temperature sensor is provided with the device housings main body 18, temperature sensor, heater 2 and circulating pump 20 connect
PLC, heater 2 and circulating pump 20 are by PLC control.Additionally, the spray piping 16 be furnished with electromagnetic valve and
Hand-operated valve, realizes running with manual automatically.
Embodiment two
Fig. 1 is referred to, multi-stage oxidizing biological method purification equipment clean owner body is from the upper bag in bottom right in the embodiment of the present invention
Include drain valve 1, heater 2, V-type gas channel (water collection sheet) 3,4, two grades of Ball-type packings of tertiary oxidation section to purify 5, two grades and be combined
Outlet 7, demister 8, the reducing outlet 9, reducing entrance 10 of filler clean-up stage 6, circulated sprinkling, homogenizing plate 11, circulated sprinkling entrance
12nd, primary oxidation section 13, primary spherical filler clean-up stage 14, secondary oxidation section 15, spray piping 16, the purification of one-level compounded mix
Section 17, device housings main body 18, water tank 19, circulating pump 20 etc..Water lines are provided with electromagnetic valve and hand-operated valve in order to realize certainly
It is dynamic to run with manual.
Waste gas containing malodor molecule and volatile organic matter VOCs is collected at the scene and in the presence of air-introduced machine by wind
Road is admitted to this device, and waste gas, down to current equalizer 11, reaches spray section (circulated sprinkling entrance 12), spray by reducing entrance 10
The vaporific water droplet for drenching head injection causes that aqueous vapor is biphase to be fully contacted, while carrying out heat exchange.Spent by absorbing, sweeping along etc.
Except harmful components and dust in gas.
Subsequently waste gas reaches primary oxidation section 13, under UV radiation, waste gas, the synergism of ozone, decomposes malodor molecule
With volatile organic matter VOCs, the malodor molecule and volatile organic matter VOCs for also having part indissoluble be modified as by the effect
Soluble substance is sprayed and lower water absorption by top.Primary spherical filler clean-up stage 14 is subsequently entered, through the life of ball ball filler
Thing packing material absorbing is purified.Secondary oxidation section 15 is entered again, is again passed by under UV radiation, waste gas, the synergism of ozone, decompose
Malodor molecule and volatile organic matter VOCs gases.One-level compounded mix clean-up stage 17 is subsequently entered again, is again passed by biological multiple
Close filler purification.
Waste gas bypasses and is changed to flow up after dividing plate V-type gas channel 3, and dust is dropped jointly due to effect of inertia and water droplet
To V-type gas channel (water collection sheet) 3, and it is collected in water tank 19 by action of gravity along the inclined gradient.
Waste gas continues to rise, and successively successively through 4, two grades of Ball-type packings 5, two grades of compounded mixs of purification of tertiary oxidation section
The outlet 7, its principle of clean-up stage 6, circulated sprinkling is identical with handling principle before, and afterwards purified gas is by demister 8, Jing
Reducing exports 9 qualified discharges.
Spray and water tank cleaning realize recycling for water by circulating pump 20, detergent line and spray pipeline 16.The mistake
Journey realizes automatic running by electric control system controls.The water of water tank can be discharged in water by discharge pipe line 1 when need to change.
During cold weather, can automatically control heating tube 2 and heated with waterproof according to preset temperature by temperature sensor
Water freezing in case 19.It is 800～16000m that the unit of the embodiment processes air quantity3/h。
In sum, removal stench degraded VOCs off-gas cleaning equipments proposed by the present invention, by oxidation and biological association
With effect and with reference to the principle removal malodor molecule and volatile organic matter (VOCs) of inertial dust collection, and while go in removing exhaust gas
Dust, makes gas purification thoroughly effective.All processes water recycling capable of circulation, water consumption is extremely low；Discarded recirculated water Jing
Targetedly after simple process can qualified discharge, non-secondary pollution problem.
Here description of the invention and application are illustrative, are not wishing to limit the scope of the invention to above-described embodiment
In.The deformation and change of embodiments disclosed herein is possible, real for those skilled in the art
The replacement and equivalent various parts for applying example is known.It should be appreciated by the person skilled in the art that without departing from the present invention
Spirit or essential characteristics in the case of, the present invention can in other forms, structure, arrangement, ratio, and with other components,
Material and part are realizing.In the case of without departing from scope and spirit of the present invention, embodiments disclosed herein can be entered
Other deformations of row and change.
Claims (9)
1. it is a kind of to remove stench degraded VOCs off-gas cleaning equipments, it is characterised in that the off-gas cleaning equipment is logical including air-flow
Road (3), tertiary oxidation section (4), two grades of Ball-type packings purification (5), two grades of compounded mix clean-up stages (6), circulated sprinkling outlets
(7), demister (8), reducing outlet (9), reducing entrance (10), current equalizer (11), circulated sprinkling entrance (12), primary oxidation
Section (13), primary spherical filler clean-up stage (14), secondary oxidation section (15), spray piping (16), one-level compounded mix clean-up stage
(17), device housings main body (18), water tank (19, circulating pump (20)；
The bottom of the cleaning equipment arranges gas channel (3), and the lower section of gas channel (3) arranges water tank (19), circulating pump
(20)；The top of the gas channel (3) arranges the first container, second container, and the first container is arranged near second container；
The top of first container is provided with reducing entrance (10), reducing entrance (10) lower section set gradually current equalizer (11),
Circulated sprinkling entrance (12), primary oxidation section (13), primary spherical filler clean-up stage (14), secondary oxidation section (15), one-level are multiple
Close filler clean-up stage (17)；
The top of the second container is provided with reducing outlet (9), and reducing outlet (9) lower section sets gradually demister (8), circulation spray
Drench outlet (7), two grades of compounded mix clean-up stages (6), two grades of Ball-type packings purification (5), tertiary oxidation sections (4)；The circulating pump
(20) circulated sprinkling entrance (12), circulated sprinkling outlet (7) are connected by spray piping (16).
It is 2. according to claim 1 to remove stench degraded VOCs off-gas cleaning equipments, it is characterised in that：
Reducing entrance (10) place is provided with air-introduced machine, and the waste gas containing malodor molecule and volatile organic matter VOCs is received at the scene
Collection is simultaneously admitted to the cleaning equipment in the presence of air-introduced machine by air channel.
It is 3. according to claim 1 to remove stench degraded VOCs off-gas cleaning equipments, it is characterised in that：
The spray piping (16) is connected with circulating pump (20), and the circulating pump (20) draws water as spray section from water tank (19)
Water source, also serves as the cleaning pump of water tank cleaning.
It is 4. according to claim 1 to remove stench degraded VOCs off-gas cleaning equipments, it is characterised in that：
First container, second container and gas channel (3) form U-shaped access way.
It is 5. according to claim 1 to remove stench degraded VOCs off-gas cleaning equipments, it is characterised in that：
The off-gas cleaning equipment also includes heater (2), and heater (2) is arranged at the lower section of gas channel (3)；Heater
(2) and circulating pump (20) connection PLC, by PLC control.
It is 6. according to claim 5 to remove stench degraded VOCs off-gas cleaning equipments, it is characterised in that：
Temperature sensor is provided with the device housings main body (18), temperature sensor connects the PLC.
It is 7. according to claim 1 to remove stench degraded VOCs off-gas cleaning equipments, it is characterised in that：
The off-gas cleaning equipment also includes drain valve (1), and drain valve (1) is arranged at the lower section of gas channel (3), device housings
The bottom of main body (18).
It is 8. according to claim 1 to remove stench degraded VOCs off-gas cleaning equipments, it is characterised in that：
The gas channel (3) is V-type gas channel, used as water collection sheet.
It is 9. according to claim 1 to remove stench degraded VOCs off-gas cleaning equipments, it is characterised in that：
The spray piping (16) is furnished with electromagnetic valve and hand-operated valve, realizes running with manual automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055479.4A CN106621749A (en) | 2016-11-25 | 2016-11-25 | Waste gas purification equipment with stink removal and VOCs (volatile organic compounds) degradation functions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611055479.4A CN106621749A (en) | 2016-11-25 | 2016-11-25 | Waste gas purification equipment with stink removal and VOCs (volatile organic compounds) degradation functions |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611055479.4A Pending CN106621749A (en) | 2016-11-25 | 2016-11-25 | Waste gas purification equipment with stink removal and VOCs (volatile organic compounds) degradation functions |
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| CN109126418A (en) * | 2018-10-12 | 2019-01-04 | 厦门世纪兴源环境工程有限公司 | Combined gas cleaning equipment and its purification process |
| CN109499336A (en) * | 2018-12-07 | 2019-03-22 | 广州和盛机械设备有限公司 | A kind of fume waste gas purifier and lampblack purifying system |
| CN111617613A (en) * | 2019-02-28 | 2020-09-04 | 中国石油化工股份有限公司 | Method and system for treating waste gas of refining and chemical enterprises |
| CN112007505A (en) * | 2020-08-26 | 2020-12-01 | 北京赛富威环境工程技术有限公司 | Oil fume purification device adopting biotechnology and purification method thereof without additional energy consumption |
| CN112870947A (en) * | 2021-02-03 | 2021-06-01 | 中国环境科学研究院 | Composite device for removing compost volatile sulfides |
| CN113209759A (en) * | 2021-04-29 | 2021-08-06 | 杭州力环科技有限公司 | Chemical plant waste gas is collected with waste gas detection device who has separation purification performance |
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| CN109126418A (en) * | 2018-10-12 | 2019-01-04 | 厦门世纪兴源环境工程有限公司 | Combined gas cleaning equipment and its purification process |
| CN109126418B (en) * | 2018-10-12 | 2024-02-27 | 厦门世纪兴源环境工程有限公司 | Combined gas purifying equipment and purifying process thereof |
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| CN112007505A (en) * | 2020-08-26 | 2020-12-01 | 北京赛富威环境工程技术有限公司 | Oil fume purification device adopting biotechnology and purification method thereof without additional energy consumption |
| CN112870947A (en) * | 2021-02-03 | 2021-06-01 | 中国环境科学研究院 | Composite device for removing compost volatile sulfides |
| CN112870947B (en) * | 2021-02-03 | 2022-04-12 | 中国环境科学研究院 | Composite device for removing compost volatile sulfides |
| CN113209759A (en) * | 2021-04-29 | 2021-08-06 | 杭州力环科技有限公司 | Chemical plant waste gas is collected with waste gas detection device who has separation purification performance |
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