CN108176210A - A kind of processing method and processing device of foul gas difficult to degrade - Google Patents
A kind of processing method and processing device of foul gas difficult to degrade Download PDFInfo
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- CN108176210A CN108176210A CN201810180030.3A CN201810180030A CN108176210A CN 108176210 A CN108176210 A CN 108176210A CN 201810180030 A CN201810180030 A CN 201810180030A CN 108176210 A CN108176210 A CN 108176210A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
- B01D53/85—Biological processes with gas-solid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/95—Specific microorganisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B01D2255/00—Catalysts
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- B01D2255/802—Photocatalytic
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- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The present invention provides a kind of processing method and processing devices of foul gas difficult to degrade.Including:Pretreating zone, biological light catalyst association response area and adsorption reaction area;Pretreating zone receives foul gas difficult to degrade, and the particulate pollutant in gas is intercepted by the active carbon nonwoven fabric of inside setting, foul gas difficult to degrade is humidified by water level sensor, microbial bacterial agent, temperature is adjusted and particulate matter removal pretreatment;Biological light catalyst association response area is successively handled foul gas by the biodegradation and photooxidation catalytic action of microorganism, and the purified foul gas in biological light catalyst association response area enters adsorption reaction area;Adsorption reaction area carries out adsorption treatment by granular activated carbon to foul gas; by activated carbon adsorption, treated that gas up to standard is discharged by exhaust tube; the device of the invention is integrated with advanced biology-photochemistry-materialization United Technologies, can efficiently, stablize, quick Recalcitrant chemicals in the industrial foul gas of processing.
Description
Technical field
The present invention relates to technical field of waste gas treatment more particularly to a kind of processing methods and dress of foul gas difficult to degrade
It puts.
Background technology
The industries such as chemical industry, petrochemical industry, pharmacy, packages printing, electronics, machine-building and food processing can be discharged largely containing inorganic
The exhaust gas of odorant and volatile organic matter, wherein, many foul gas substances are difficult to biodegradation, and atmospheric environment is caused
It is serious to destroy.Traditional foul gas processing unit is based primarily upon filtering, separation, absorption, catalysis, burning and biological treatment skill
Art.
The principle of biologic treating technique be using microorganism by foul gas pollutant biological oxidation, be degraded to it is harmless
Or low harmful class substance.The foul gas being collected into has the filler of microorganism by growth under appropriate conditions, and polluter is first
It by packing material absorbing, is then decomposed by the microbiological oxidation on filler, completes the processing procedure of foul gas.Biological treatment side's technology
With simple for process, management service convenience, reaction condition mild (room temperature, normal pressure), low energy consumption, investment and operating cost are low, right
Pollutants removal rate is higher and the advantages that non-secondary pollution, especially more shows it when handling big flow, low concentration foul gas
Economy and superiority.For the exhaust-gas treatment containing volatile organic matter, biologic treating technique is using relatively broad.
However, in the industry foul gas difficult to degrade of every profession and trade discharge, press down due to containing more risen to microorganism
The chemical substance of making it is low directly to will appear treatment effeciency, it is impossible to processing up to standard and device using monotechnics processing
Gas residence time it is long the problems such as.
Invention content
Existing industry foul gas processing unit treatment effeciency difficult to degrade is low, qualified discharge difficult to realize in order to overcome,
The deficiencies of gas residence time of device is long, and investment and operating cost are high, the present invention provide a kind of place of foul gas difficult to degrade
Manage method and device.
To achieve these goals, this invention takes following technical solutions.
According to an aspect of the invention, there is provided a kind of processing unit of foul gas difficult to degrade, including:Pretreatment
Area, biology-photocatalyst association response area and adsorption reaction area;
The pretreating zone, for receive and pre-treating difficultly-degradable foul gas, by inside setting activated carbon without
Woven fabric intercepts the partial particulate object in foul gas, and foul gas difficult to degrade is carried out by water level sensor 1, microbial bacterial agent
Humidification, temperature adjusting processing, particulate matter removal pretreatment and the degradation of part foul gas pollutant, treated for pretreating zone
Gas enters biology-photocatalyst association response area;
The biology-photocatalyst association response area, including mixed fillers area I, humidification spraying zone II, atomizing spray area
III, mist eliminating zone IV, photocatalyst reaction area V, spray liquid supply system and inspection manhole 1, for carrying out filler suction to foul gas
It receives and adsorbs, biodegradable and photochemical oxidation system purification, the biology-purified effluvium in photocatalyst association response area
Body enters adsorption reaction area;
The adsorption reaction area carries out adsorption treatment by granular activated carbon to foul gas, and gas is by filtering, cloth
Gas module enters activated carbon drawer, the foul gas difficult to degrade after granular activated carbon adsorbs be able to it is up to standard, it is up to standard after gas
Body is extracted out through air-introduced machine, is discharged by exhaust tube.
Further, the pretreating zone includes active carbon nonwoven fabric, air inlet 1, aqua storage tank, drainpipe, level sensor
Device 1;
The water level sensor 1 is arranged in the pretreating zone, the air inlet 1 in device side bottom, it is described into
The low spot of gas port 1 is higher than the entrance of water level sensor 1 or maintains an equal level, and active carbon nonwoven fabric is installed in the front end of the air inlet 1;
When water level reaches the water level upper limit of the water level sensor 1, water level upper limit signal is transmitted to by water level sensor 1
In control centre's water level controller, water level controller connects draining pumping source, draining pump work;It is passed when water level reaches the water level
During the water level lower limit of sensor 1, water level low-limit signal is transmitted in control centre's water level controller by water level sensor 1, water level control
Device processed disconnects draining pumping source, and draining pump is shut down;
The drainpipe is located at device side bottom, and flange base maintains an equal level with bottom of device, aqua storage tank is collected micro-
Bacteria agent, which returns, is discharged to spray liquid supply system recycling.
Further, the biology-photocatalyst association response area includes mixed fillers area I, humidification spraying zone II, atomization spray
Drench area III, mist eliminating zone IV, photocatalyst reaction area V, spray liquid supply system and inspection manhole 1;Wherein mixed fillers area I includes
Gas distribution board mount 1, air distribution plate 1, temperature-humidity sensor, pH sensors, mixed fillers;Humidify spraying zone II include spray tube,
Humidifying spraying nozzle, deflector;Atomizing spray area III includes spray tube, atomizer, air-flow and turns plate;Mist eliminating zone IV is filled out including demisting
Material, gas distribution board mount 2, air distribution plate 2;Photocatalyst reaction area V includes ultraviolet tube, photocatalysis filter screen, header;
The humidifying spraying nozzle is located above mixed fillers, is fixed on the lower surface of deflector, 100~120 ° of spray angles,
Spray area uniform fold mixed fillers upper surface;
It is detachable that the air-flow turns plate, is placed at the top of biology-photocatalyst association response zone device by steel wire;The gas
The upper surface that stream turns plate is disposed with spray tube, lower surface is fixed with atomizer;The air-flow turns plate bottom as internal buckle shape;
The Filamentous coconut fibre filler of the mist eliminating zone filling, a diameter of 0.5~1.5mm of filler;
The header is fixed on the hull outside in biology-photocatalyst association response area, is installed additional between housing close
Packing is used to support ultraviolet tube;
The photocatalysis filter screen is made of nickel foam spraying titanium dioxide powder, and thickness is 3~8mm;
The pH sensors are located in the middle part of mixed fillers, for detecting mixed fillers pH value;
The temperature-humidity sensor is located in the middle part of mixed fillers, is respectively used to detection mixed fillers temperature, humidity.
Further, the spray liquid supply system includes inspection manhole 2, crust of the device, water inlet 1, return pipe, valve
1st, draining pump, check valve, valve 2, spray pump, filter, water level sensor 2, entering water electromagnetic valve, water inlet 2;
The valve 1 connects pretreating zone drainpipe, and working condition is normally opened;
The draining pump is vertical water pump;
The check valve is connected on draining pump discharge;
Inspection manhole 2, water inlet 1, water inlet 2, water outlet, level sensor are set in the spray liquid supply system
Device;
The water level sensor 2 is located in spray liquid supply system, and water level sensor 2 is bikini;
The entering water electromagnetic valve ON/OFF is controlled by water level sensor 2, and low level solenoid valve opens water inlet, and high-order solenoid valve closes
It closes;
The water outlet of 2 side of the valve connection spray liquid supply system bottom, opposite side connection spray pump, work shape
State is normally opened;
The spray pump is vertical water pump, is connected by spray tube with humidifying spraying nozzle and atomizer;
The inspection manhole 2 is at the top of device.
Further, spray pump operation time is adjusted according to the numerical value that the pH sensors in mixed fillers are read, makes to mix
The pH for closing filler is maintained at 6.5~8.0;
Spray pump operation time is adjusted according to the numerical value that the temperature-humidity sensor in mixed fillers is read, makes mixing
The temperature of filler is maintained in the range of 15~40 DEG C.
Further, the mixed fillers are filled in proportion for polyurethane sponge block and luffa filler, and the two is filled out
It is 2 to fill volume ratio:3;The polyurethane sponge block density 20kg/m3, grain size is 10~20mm, packed density 10kg/m3, fill out
Fill height 2000mm;Pseudomonas and catarrhalis microorganism belonging to genus are inoculated on mixed fillers.
Further, the adsorption reaction area includes air inlet 2, under-chassis, activated carbon drawer, filtering, gas distribution module, outlet
Mouth, outlet pipe and water seal, aeroscopic plate;
The air inlet 2 is located on the right side of device;
The activated carbon drawer is bolted, if pull handle is in order to replacing activated carbon;
Filtering, gas distribution module setting filter cotton and the air distribution plate 3;
The gas outlet is on the left of device;
The outlet pipe and the draining of water seal are condensed water;
The aeroscopic plate is arranged in inside device, and complement filter, gas distribution module, activated carbon drawer use, and guide gas
Trend.
Further, described device further includes control centre, and the control centre carries out photocatalyst reaction area V power supply controls
System, pretreating zone water level control, biology-photocatalyst association response area spray control, biology-photocatalyst association response area pH monitorings
It adjusts, biology-photocatalyst association response area temperature and humidity monitoring is adjusted.
According to another aspect of the present invention, a kind of processing method of foul gas difficult to degrade is provided, including:
S1, the foul gas difficult to degrade being collected first pass through pretreating zone, are blocked by the active carbon nonwoven fabric of inside setting
The particulate pollutant in gas is cut, foul gas difficult to degrade is humidified by water level sensor, microbial bacterial agent, temperature tune
Section, particulate matter removal pretreatment and the degradation of part foul gas pollutant;
S2, enter biology-photocatalyst association response area, and pass sequentially through by the pretreated foul gas difficult to degrade of S1
Mixed fillers area I, humidification spraying zone II, atomizing spray area III, mist eliminating zone IV and the light in biology-photocatalyst association response area touch
Matchmaker reaction zone V, biology-photocatalyst association response area carry out packing material absorbing and absorption, biodegradation and photochemistry to foul gas
Oxidative system purifies:
Microbial bacterial agent is sprayed to mixed fillers surface by S21, humidifying spraying nozzle, and foul gas difficult to degrade passes through air distribution plate 1
Enter inside mixed fillers, and the microorganism with being attached to mixed fillers surface contacts after uniform gas distribution, pollutant is degraded;
Wherein, after microbial bacterial agent flows into aqua storage tank through mixed fillers, spray liquid supply system is vented back to by draining pump and is recycled;
S22, then foul gas difficult to degrade flows upward through humidification spraying zone, with the microbial bacteria being sprayed in air
Agent Rapid contact is simultaneously purified again, is concentrated under the synergism of deflector and is entered atomizing spray area;
S23, the foul gas difficult to degrade into atomizing spray area is concentrated to spread around, with atomizing spray area high atomisation
Microbial bacterial agent be in contact, meanwhile, under the assistance for turning plate in air-flow, foul gas difficult to degrade is done inside atomizing spray area to be revolved
Vortex is dynamic, and foul gas subsequently departs from atomizing spray area and enters mist eliminating zone;
S24, the foul gas into mist eliminating zone are diffused into after 2 uniform gas distribution of air distribution plate inside demisting filler, are disliked
The steam and some of the contaminants carried secretly in odour are removed under the suction-operated of demisting filler;
Foul gas after S25, removal steam enters photocatalyst reaction area V, ultraviolet tube cooperative photocatalysis strainer pair
Foul gas carries out ultraviolet photooxidation catalytic degradation, and foul gas subsequently departs from biology-photocatalyst association response area;
S3, by S2 treated foul gas enters adsorption reaction areas, foul gas enters by filtering, gas distribution module
Activated carbon drawer, the foul gas difficult to degrade after granular activated carbon adsorbs be able to it is up to standard, it is up to standard after gas by air-introduced machine
Extraction, is discharged by exhaust tube.
A kind of stench difficult to degrade provided by the invention it can be seen from the technical solution provided by embodiments of the invention described above
The processing unit of gas is integrated with advanced biology-photochemistry-materialization United Technologies, can efficiently, stablize, quickly handle work
Foul gas difficult to degrade in industry exhaust gas.Whole device is simple in structure, high treating effect, non-secondary pollution object generate, investment and
Operating cost is low, can realize the qualified discharge of industry foul gas difficult to degrade.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description
It obtains significantly or is recognized by the practice of the present invention.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for this
For the those of ordinary skill of field, without creative efforts, others are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of structure chart of the processing unit of foul gas difficult to degrade provided in an embodiment of the present invention;
Fig. 2 is a kind of horizontal layout schematic diagram of ultraviolet tube provided in an embodiment of the present invention;
Fig. 3 is the structure chart in a kind of pretreating zone provided in an embodiment of the present invention, biology-photocatalyst association response area;
Fig. 4 is a kind of structure chart for spraying liquid supply system provided in an embodiment of the present invention;
Fig. 5 is a kind of structure chart in adsorption reaction area provided in an embodiment of the present invention.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that is used in the specification of the present invention arranges
Diction " comprising " refers to there are the feature, integer, step, operation, element and/or component, but it is not excluded that presence or addition
Other one or more features, integer, step, operation, element, component and/or their component.
Those skilled in the art of the present technique are appreciated that unless otherwise defined all terms used herein are (including technology art
Language and scientific terminology) there is the meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or the meaning of too formal be explained.
For ease of the understanding to the embodiment of the present invention, solved below in conjunction with attached drawing is further by taking specific embodiment as an example
Explanation is released, and embodiment does not form the restriction to the embodiment of the present invention.
An embodiment of the present invention provides a kind of processing unit of foul gas difficult to degrade, which includes pretreating zone, life
Object-photocatalyst association response area, adsorption reaction area and control centre.The foul gas difficult to degrade that industrial processes generate is through pipe
Road initially enters pretreating zone and carries out partial particulate object, the pretreatment of pollutant and temperature and humidity adjusting processing after collecting,
Biology-photocatalyst association response area is subsequently entered, foul gas is able to preliminary purification with microbial bacterial agent multiple-contact and removes
After the steam carried secretly in gas, into photocatalyst reaction area V, the foul gas after photooxidation catalytic degradation, which enters, is filled with particle
The adsorption reaction area of activated carbon, the gas up to standard after adsorption treatment enter air-introduced machine, then discharge by exhaust tube from gas outlet.
Fig. 1 is a kind of structure chart of the processing unit of foul gas difficult to degrade provided in an embodiment of the present invention, including locating in advance
Manage area, biology-photocatalyst association response area and adsorption reaction area.
Fig. 2 is a kind of pretreating zone provided in an embodiment of the present invention, the structure chart in biology-photocatalyst association response area, Fig. 3
Horizontal layout schematic diagram for ultraviolet tube.Pretreating zone includes active carbon nonwoven fabric B2, air inlet 1B3, drainpipe B4, water
Level sensor 1B5, aqua storage tank B23, the adjusting that pretreating zone carries out foul gas difficult to degrade temperature and humidity are handled, are gone simultaneously
Except partial particulate object, the pollutant in foul gas.Biology-photocatalyst association response area includes mixed fillers area I, humidification spray
Area II, atomizing spray area III, mist eliminating zone IV, photocatalyst reaction area V, spray liquid supply system and inspection manhole 1B11;It is wherein mixed
It closes packing area I and includes gas distribution board mount 1B6, air distribution plate 1B7, temperature-humidity sensor B8, pH sensor B9, mixed fillers
B10;It humidifies spraying zone II and includes spray tube B12, humidifying spraying nozzle B13, deflector B16;Atomizing spray area III includes spray tube
B12, atomizer B14, air-flow turn plate B17;Mist eliminating zone IV includes demisting filler B15, gas distribution board mount 2B18, air distribution plate
2B19;Photocatalyst reaction area V includes ultraviolet tube B20, photocatalysis filter screen B21, header B22.
Fig. 4 is a kind of structure chart for spraying liquid supply system provided in an embodiment of the present invention.Including inspection manhole 2C1, dress
Put shell C2, water inlet 2C3, return pipe C4, valve 1C5, draining pump C6, check valve C7, valve 2C8, spray pump C9, filter
C10, water outlet C11, water level sensor 2C12, entering water electromagnetic valve C13, water inlet 1C14.
Fig. 5 is a kind of structure chart in adsorption reaction area provided in an embodiment of the present invention.Adsorption reaction area includes device case
D1, gas outlet D2, under-chassis D3, activated carbon drawer D4, sealing bolt D5, handle D6, filtering, gas distribution module D7, air inlet 2D8,
Outlet pipe and water seal D9, aeroscopic plate D10, sieve D11, filter cotton D12, filtering gas distribution module carrier D13, air distribution plate 3D14.
Pretreating zone:
The effect of pretreating zone is for reception and pre-treating difficultly-degradable foul gas, passes through water level sensor 1, microorganism
Foul gas difficult to degrade is humidified microbial inoculum and temperature adjusting processing, while removes partial particulate object and dirt in foul gas
Object is contaminated, good inlet air conditions are created for subsequent processing.The air inlet 1 is set in device side bottom, the water level sensor 1
It puts in the pretreating zone, 1 low spot of air inlet is higher than 1 entrance of water level sensor or maintains an equal level.The active carbon nonwoven fabric peace
Loaded on 1 front end of air inlet, the particulate pollutant in foul gas difficult to degrade can be intercepted, plays the role of pre- dedusting, is needed periodically clear
It washes or replaces.Pretreating zone by using flow to from bio-reaction zone the microbial bacterial agent of aqua storage tank to foul gas difficult to degrade into
The adjusting processing of trip temperature and humidity.
The water level sensor 1 is located at pretreating zone side bottom, drainpipe top, and water level sensor 1 is bikini,
High water level works, and low water level is shut down.The water level sensor 1 is arranged in the pretreating zone, when water level reaches the water level
During the water level upper limit of sensor 1, water level upper limit signal is transmitted in control centre's water level controller by water level sensor 1, water level
Controller connects draining pumping source, draining pump work;When water level reaches the water level lower limit of the water level sensor 1, water level passes
Water level low-limit signal is transmitted in control centre's water level controller by sensor 1, and water level controller disconnects draining pumping source, draining pump
It shuts down.
The drainpipe is located at device side bottom, and flange base maintains an equal level with bottom of device, aqua storage tank is collected micro-
Bacteria agent, which returns, is discharged to spray liquid supply system recycling.
Biology-photocatalyst association response area:
The biology-photocatalyst association response area pH monitorings, which are adjusted, to be referred to be read according to the pH sensors in mixed fillers
The numerical value arrived adjusts spray pump operation time by pH controllers, mixed fillers pH is allowed to remain at 6.5~8.0.
The biology-photocatalyst association response area temperature, humidity detection adjusting are the temperature by being placed in mixed fillers
The numerical value that degree, humidity sensor are read adjusts spray pump operation time by control of temperature and humidity device in control centre, allows
Mixed fillers temperature is maintained in the range of 15~40 DEG C.
The pretreating zone, biology-photocatalyst association response area are 304 stainless steels.
Air distribution plate 1 in the biology-photocatalyst association response area is 304 stainless steel punched-plates, aperture 5mm, Kong Jian
Away from 15mm;Gas distribution board mount 1 is welded for 304 stainless steel materials, crossbeam 500~800mm of spacing, and loading capacity is not less than 500kg/
㎡.The mixed fillers are filled in proportion for polyurethane sponge block and luffa filler;The two packing volume ratio is
2:3;The polyurethane sponge block density 20kg/m3, grain size is 10~20mm, packed density 10kg/m3, packed height
2000mm;On the mixed fillers inoculation can efficient degradation organic matter fungi microbe be pseudomonas
(Pseudomonas) and moraxella (Moraxella Fulton) microorganism.The humidifying spraying nozzle is located at mixed fillers
At the 500mm of top, it is 304 stainless steels, is fixed on deflector lower surface, 100~120 ° of spray angles, spray area is uniform
Cover mixed fillers upper surface.0.5~0.6mm of humidifying spraying nozzle aperture, 15~25kg/cm of operating pressure2, fluid flow 130~
243ml/min.0.15~0.2mm of atomizer aperture, 15~25kg/cm of operating pressure2, 20~46ml/min of fluid flow,
It is small droplet without being liquefied as liquid that can ensure that microbial bacterial agent is fully atomized in atomizing spray area.It is 304 that air-flow, which turns plank matter,
Stainless steel is placed in by steel wire at the top of biology-photocatalyst association response zone device, light detachable;Surface layout has thereon
Spray tube, lower surface are fixed with atomizer;The air-flow turns plate bottom as internal buckle shape, gas can be made to do vortex inside it
Flowing;The steel wire passes through mist eliminating zone and photocatalyst reaction area V, and connection air-flow turns plate and biology-photocatalyst association response area dress
Top set portion.The spray tube material is PPR tempreature bulbs.
The Filamentous coconut fibre filler of the mist eliminating zone filling, a diameter of 0.5~1.5mm of filler;It not only has moisture absorption
Property, and a small amount of pollutant in adsorbable foul gas difficult to degrade is light and with high performance-price ratio, and fuel can be used as after drying
It recycles.The air distribution plate 2 is 304 stainless steel punched-plates, and aperture 10mm, pitch of holes 30mm, thickness 2mm is weldingly fixed on
On gas distribution board mount 2.
The photocatalyst reaction area V includes ultraviolet tube, header, photocatalysis filter screen.The ultraviolet lamp
Tube wave section is 185nm and 254nm, power 150W, with buttock line.Header is made by 304 stainless steel materials, is fixed on photocatalyst
Reaction zone V hull outsides, install gasket additional between housing, are used to support ultraviolet tube.Ultraviolet tube and adjacent light
It is 40~100cm to be catalyzed strainer vertical range, can suitably increase and decrease the number of ultraviolet tube and photocatalysis filter screen according to actual conditions
Amount.Photocatalysis filter screen can intercept part contaminant remaining and steam, centainly while cooperative with ultraviolet radiation fluorescent tube removes pollutant
The working environment cleaning of ultraviolet tube is kept in degree, reduces the device cleaning inside period.Photocatalysis filter screen is sprayed for nickel foam
It applies titanium dioxide powder to be made, thickness is 3~8mm.
The spray liquid supply system includes inspection manhole 2, crust of the device, water inlet 1, return pipe, valve 1, draining
Pump, check valve, valve 2, spray pump, filter, water level sensor 2, entering water electromagnetic valve, water inlet 2 are biology-photocatalyst connection
It closes reaction zone and provides spray microbial bacterial agent used as spray liquid.To ensure that microorganism keeps stable pH and epidemic disaster,
Appropriate water is kept in spray liquid supply system, sprays in liquid supply system and sets water level sensor 2.When water level reaches the water
During the water level lower limit of level sensor 2, water level low-limit signal is transmitted in control centre's water level controller by water level sensor 2, water
Level controller connects entering water electromagnetic valve and opens water inlet;When water level reaches the water level upper limit of the water level sensor 2, level sensor
Water level upper limit signal is transmitted in control centre's water level controller by device 2, water level controller disconnect entering water electromagnetic valve, stop into
Water.
The valve 1 connects pretreating zone drainpipe, and working condition is normally opened.The draining pump is vertical water pump,
Operating voltage 220V.The check valve is connected on draining pump discharge, prevents spray liquid supply system liquid reflux.The water level
Sensor 2 is located in spray liquid supply system, and water level sensor 2 is bikini, and low water level works, and high water level is shut down.Described
Entering water electromagnetic valve ON/OFF is controlled by water level sensor 2, and low level solenoid valve opens water inlet, and high-order solenoid valve is closed.The valve
2 sides connection spray liquid supply system bottom water outlet, opposite side connection spray pump, working condition is normally opened.The spray
It pumps as vertical water pump, is connected by pipeline with humidifying spraying nozzle, operating voltage 220V.The filter is Y-shaped filter, is filtered
Net disassembling cleaning.
The spray pump operation time is determined by mixed fillers pH and epidemic disaster, and pH is preferentially performed when spraying pump work
Controller exports.
The pH sensors are located in the middle part of mixed fillers, detect mixed fillers pH value.The temperature-humidity sensor
In the middle part of mixed fillers, detection mixed fillers temperature, humidity.The inspection manhole 1 facilitates filler to add in device side
It replaces and spray equipment daily cleaning repairs.
Adsorption reaction area:
The device in adsorption reaction area is 304 stainless steels, including air inlet 2, under-chassis, activated carbon drawer, filtering, gas distribution
Module, gas outlet, outlet pipe and water seal, aeroscopic plate.
The air inlet 2D8 is located on the right side of device.
The activated carbon drawer is bolted, if pull handle is conveniently replaceable activated carbon.
The activated carbon drawer panel back side sets gasket, and bottom is stainless steel mesh, can launch cellular activated carbon or
Grain size is 5~10mm granular activated carbons.
Filtering, gas distribution module setting filter cotton and the air distribution plate 3.
The filter cotton is pore biochemical filtration cotton, for removing dust and bulky grain object, need to be regularly cleaned or replaced.
The air distribution plate 3 be 304 punched-plates, aperture 5mm, pitch of holes 15mm.
The gas outlet is on the left of device.
The outlet pipe and water seal, draining are condensed water, when water is big can connected water outlet pipe guide to spray liquid supply system.
The aeroscopic plate is arranged in inside device, and complement filter, gas distribution module, activated carbon drawer use, and guide gas
Trend prevents gas short-circuit.
Control centre:
Control centre includes the control of photocatalyst reaction area V power supplys, pretreating zone water level control, biology-photocatalyst joint instead
Area's spray control, biology-photocatalyst association response area pH monitorings is answered to adjust, biology-photocatalyst association response area temperature and humidity
Monitoring is adjusted, and reserves air-blower control port.
Based on device shown in FIG. 1, a kind of place of the processing method of foul gas difficult to degrade provided in an embodiment of the present invention
Reason flow includes:
S1, the foul gas difficult to degrade being collected first pass through pretreating zone, are blocked by the active carbon nonwoven fabric of inside setting
The particulate pollutant in gas is cut, foul gas difficult to degrade is humidified by water level sensor, microbial bacterial agent, temperature tune
Section, particulate matter removal pretreatment and the degradation of part foul gas pollutant;
S2, enter biology-photocatalyst association response area, and pass sequentially through by the pretreated foul gas difficult to degrade of S1
Mixed fillers area I, humidification spraying zone II, atomizing spray area III, mist eliminating zone IV and the light in biology-photocatalyst association response area touch
Matchmaker reaction zone V, biology-photocatalyst association response area carry out packing material absorbing and absorption, biodegradation and photochemistry to foul gas
Oxidative system purifies:
Microbial bacterial agent is sprayed to mixed fillers surface by S21, humidifying spraying nozzle, and foul gas difficult to degrade passes through air distribution plate 1
Enter inside mixed fillers, and the microorganism with being attached to mixed fillers surface contacts after uniform gas distribution, pollutant is degraded;
Wherein, after microbial bacterial agent flows into aqua storage tank through mixed fillers, spray liquid supply system is vented back to by draining pump and is recycled;
S22, then foul gas difficult to degrade flows upward through humidification spraying zone, with the microbial bacteria being sprayed in air
Agent Rapid contact is simultaneously purified again, is concentrated under the synergism of deflector and is entered atomizing spray area;
S23, the foul gas difficult to degrade into atomizing spray area is concentrated to spread around, with atomizing spray area high atomisation
Microbial bacterial agent be in contact, meanwhile, under the assistance for turning plate in air-flow, foul gas difficult to degrade is done inside atomizing spray area to be revolved
Vortex is dynamic, subsequently departs from atomizing spray area and enters mist eliminating zone;
S24, the foul gas into mist eliminating zone are diffused into after 2 uniform gas distribution of air distribution plate inside demisting filler, are disliked
The steam and some of the contaminants carried secretly in odour are removed under the suction-operated of demisting filler;
Foul gas after S25, removal steam enters photocatalyst reaction area V, ultraviolet tube cooperative photocatalysis strainer pair
Foul gas carries out ultraviolet photooxidation catalytic degradation, and foul gas subsequently departs from biology-photocatalyst association response area;
S3, by S2 treated foul gas enters adsorption reaction areas, foul gas enters by filtering, gas distribution module
Activated carbon drawer, the foul gas difficult to degrade after granular activated carbon adsorbs be able to it is up to standard, it is up to standard after gas by air-introduced machine
Extraction, is discharged via exhaust tube.
In conclusion a kind of processing method and processing device of foul gas difficult to degrade provided by the invention is integrated with advanced life
Object-photochemistry-materialization United Technologies, can efficiently, stablize, quick processing industry foul gas difficult to degrade.Whole device knot
Structure is simple, high treating effect, and non-secondary pollution object generates, and investment is low with operating cost, can realize industrial difficult drop foul gas
Qualified discharge.
One of ordinary skill in the art will appreciate that:Attached drawing is the schematic diagram of one embodiment, module in attached drawing or
Flow is not necessarily implemented necessary to the present invention.
Embodiment in this specification is described by the way of progressive, for device or system embodiment, by
Embodiment of the method is substantially similar in it, so describing fairly simple, referring to the part explanation of embodiment of the method in place of correlation
.The purpose of this embodiment scheme is realized to select according to the actual needs some or all of module therein.Ability
Domain those of ordinary skill is without creative efforts, you can to understand and implement.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
Subject to.
Claims (9)
1. a kind of processing method of foul gas difficult to degrade, which is characterized in that including:
S1, the foul gas difficult to degrade being collected first pass through pretreating zone, and gas is intercepted by the active carbon nonwoven fabric of inside setting
Particulate pollutant in body, foul gas difficult to degrade is humidified by water level sensor, microbial bacterial agent, temperature adjust,
Particulate matter removal pretreatment and the degradation of part foul gas pollutant;
S2, enter biology-photocatalyst association response area, and pass sequentially through life by the pretreated foul gas difficult to degrade of S1
Mixed fillers area I, humidification spraying zone II, atomizing spray area III, mist eliminating zone IV and the photocatalyst in object-photocatalyst association response area
Reaction zone V, biology-photocatalyst association response area carry out packing material absorbing and absorption, biodegradation and photochemistry oxygen to foul gas
Change system purification:
Microbial bacterial agent is sprayed to mixed fillers surface by S21, humidifying spraying nozzle, and foul gas difficult to degrade is uniform by air distribution plate 1
Enter inside mixed fillers after gas distribution, and the microorganism with being attached to mixed fillers surface contacts, pollutant is degraded;Its
In, after microbial bacterial agent flows into aqua storage tank through mixed fillers, spray liquid supply system is vented back to by draining pump and is recycled;
S22, then foul gas difficult to degrade flows upward through humidification spraying zone, fast with the microbial bacterial agent that is sprayed in air
Quick access is touched and is purified again, is concentrated under the synergism of deflector and is entered atomizing spray area;
S23, the foul gas difficult to degrade into atomizing spray area is concentrated to spread around, it is micro- with atomizing spray area high atomisation
Bacteria agent is in contact, meanwhile, under the assistance for turning plate in air-flow, foul gas difficult to degrade does bumpy flow inside atomizing spray area
It is dynamic, it subsequently departs from atomizing spray area and enters mist eliminating zone;
S24, the foul gas into mist eliminating zone are diffused into after 2 uniform gas distribution of air distribution plate inside demisting filler, effluvium
The steam and some of the contaminants carried secretly in body are removed under the suction-operated of demisting filler;
Foul gas after S25, removal steam enters photocatalyst reaction area V, and ultraviolet tube cooperative photocatalysis strainer is to stench
Gas carries out ultraviolet photooxidation catalytic degradation, and foul gas subsequently departs from biology-photocatalyst association response area;
S3, by S2 treated foul gas enters adsorption reaction areas, foul gas enters activity by filtering, gas distribution module
Charcoal drawer, the foul gas difficult to degrade after granular activated carbon adsorbs be able to it is up to standard, it is up to standard after gas extracted out by air-introduced machine,
It is discharged via exhaust tube.
2. a kind of processing unit of foul gas difficult to degrade, which is characterized in that including:Pretreating zone, biology-photocatalyst joint are anti-
Answer area and adsorption reaction area;
The pretreating zone for reception and pre-treating difficultly-degradable foul gas, passes through the active carbon nonwoven fabric of inside setting
The partial particulate object in foul gas is intercepted, foul gas difficult to degrade is added by water level sensor 1, microbial bacterial agent
Wet, temperature adjusting processing, particulate matter removal pretreatment and the degradation of part foul gas pollutant, treated for pretreating zone gas
Body enters biology-photocatalyst association response area;
The biology-photocatalyst association response area including mixed fillers area I, humidification spraying zone II, atomizing spray area III, removes
Fog-zone IV, photocatalyst reaction area V and spray liquid supply system, the collaboration using the catalysis of absorption and sorption, biodegradation and photooxidation are made
With the purification for carrying out foul gas difficult to degrade, the biology-purified foul gas in photocatalyst association response area enters absorption
Reaction zone;
The adsorption reaction area carries out adsorption treatment by granular activated carbon to foul gas, and gas is by filtering, gas distribution mould
Block enters activated carbon drawer, and gas is extracted out through air-introduced machine after granular activated carbon adsorbs, and is discharged via exhaust tube.
3. the apparatus of claim 2, which is characterized in that the pretreating zone includes active carbon nonwoven fabric, air inlet
1st, aqua storage tank, drainpipe, water level sensor 1;
The water level sensor 1 is arranged in the pretreating zone, and the air inlet 1 is in device side bottom, the air inlet 1
Low spot higher than water level sensor 1 entrance or maintain an equal level, the front end of the air inlet 1 install active carbon nonwoven fabric;
When water level reaches the water level upper limit of the water level sensor 1, water level upper limit signal is transmitted to control by water level sensor 1
In the water level controller of center, water level controller connects draining pumping source, draining pump work;When water level reaches the water level sensor
During 1 water level lower limit, water level low-limit signal is transmitted in control centre's water level controller by water level sensor 1, water level controller
Draining pumping source is disconnected, draining pump is shut down;
The drainpipe is located at device side bottom, and flange base maintains an equal level with bottom of device, the microorganism that aqua storage tank is collected
Microbial inoculum, which returns, is discharged to spray liquid supply system recycling.
4. device according to claim 3, which is characterized in that the biology-photocatalyst association response area includes mixing and fills out
Expect area I, humidification spraying zone II, atomizing spray area III, mist eliminating zone IV, photocatalyst reaction area V, spray liquid supply system and maintenance
Manhole 1;Wherein mixed fillers area I includes gas distribution board mount 1, air distribution plate 1, temperature-humidity sensor, pH sensors, mixes and fill out
Material;It humidifies spraying zone II and includes spray tube, humidifying spraying nozzle, deflector;Atomizing spray area III includes spray tube, atomizer, gas
Stream turns plate;Mist eliminating zone IV includes demisting filler, gas distribution board mount 2, air distribution plate 2;Photocatalyst reaction area V include ultraviolet tube,
Photocatalysis filter screen, header;
The humidifying spraying nozzle is located above mixed fillers, is fixed on the lower surface of deflector, spray angles 100-~120 °, spray
Area uniform fold mixed fillers upper surface;
It is detachable that the air-flow turns plate, is placed at the top of biology-photocatalyst association response zone device by steel wire;The air-flow turns
The upper surface of plate is disposed with spray tube, lower surface is fixed with atomizer;The air-flow turns plate bottom as internal buckle shape;
The Filamentous coconut fibre filler of the mist eliminating zone filling, a diameter of 0.5~1.5mm of filler;
The header is fixed on the hull outside in biology-photocatalyst association response area, installs gasket additional between housing,
It is used to support ultraviolet tube;
The photocatalysis filter screen is made of nickel foam spraying titanium dioxide powder, and thickness is 3~8mm;
The pH sensors are located in the middle part of mixed fillers, for detecting mixed fillers pH value;
The temperature-humidity sensor is located in the middle part of mixed fillers, is respectively used to detection mixed fillers temperature, humidity.
5. device according to claim 4, which is characterized in that the spray liquid supply system includes inspection manhole 2, device
Shell, water inlet 1, return pipe, valve 1, draining pump, check valve, valve 2, spray pump, filter, water level sensor 2, water inlet
Solenoid valve, water inlet 2;
The valve 1 connects pretreating zone drainpipe, and working condition is normally opened;
The draining pump is vertical water pump;
The check valve is connected on draining pump discharge;
Inspection manhole 2, water inlet 1, water inlet 2, water outlet, water level sensor are set in the spray liquid supply system;
The water level sensor 2 is located in spray liquid supply system, and water level sensor 2 is bikini;
The entering water electromagnetic valve ON/OFF is controlled by water level sensor 2, and low level solenoid valve opens water inlet, and high-order solenoid valve is closed;
The water outlet of 2 side of the valve connection spray liquid supply system bottom, opposite side connection spray pump, working condition are
It is normally opened;
The spray pump is vertical water pump, is connected by spray tube with humidifying spraying nozzle and atomizer;
The inspection manhole 2 is at the top of device.
6. device according to claim 4, which is characterized in that the numerical value read according to the pH sensors in mixed fillers
Spray pump operation time is adjusted, the pH of mixed fillers is made to be maintained at 6.5~8.0;
Spray pump operation time is adjusted according to the numerical value that the temperature-humidity sensor in mixed fillers is read, makes mixed fillers
Temperature be maintained in the range of 15~40 DEG C.
7. device according to claim 4, which is characterized in that the mixed fillers are filled out for polyurethane sponge block and luffa
Material is filled in proportion, and the two packing volume ratio is 2:3;The polyurethane sponge block density 20kg/m3, grain size for 10~
20mm, packed density 10kg/m3, packed height 2000mm;Pseudomonas and the micro- life of moraxella are inoculated on mixed fillers
Object.
8. according to claim 2 to 7 any one of them device, which is characterized in that the adsorption reaction area include air inlet 2,
Under-chassis, activated carbon drawer, filtering, gas distribution module, gas outlet, outlet pipe and water seal, aeroscopic plate;
The air inlet 2 is located on the right side of device;
The activated carbon drawer is bolted, if pull handle is in order to replacing activated carbon;
Filtering, gas distribution module setting filter cotton and the air distribution plate 3;
The gas outlet is on the left of device;
The outlet pipe and the draining of water seal are condensed water;
The aeroscopic plate is arranged in inside device, and complement filter, gas distribution module and activated carbon drawer use, and guiding gas is walked
To.
9. device according to claim 8, which is characterized in that described device further includes control centre, the control centre
Carry out photocatalyst reaction area's power supply control, pretreating zone water level control, biology-photocatalyst association response area spray control, it is biological-
Photocatalyst association response area pH monitorings are adjusted, biology-photocatalyst association response area temperature and humidity monitoring is adjusted.
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