CN105879591A - Treatment device for waste gas with volatile organic compounds - Google Patents
Treatment device for waste gas with volatile organic compounds Download PDFInfo
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- CN105879591A CN105879591A CN201610454505.4A CN201610454505A CN105879591A CN 105879591 A CN105879591 A CN 105879591A CN 201610454505 A CN201610454505 A CN 201610454505A CN 105879591 A CN105879591 A CN 105879591A
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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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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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
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
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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
- B01D53/14—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 absorption
- B01D53/1425—Regeneration of liquid absorbents
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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
- B01D53/14—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 absorption
- B01D53/1487—Removing organic compounds
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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
- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
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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
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
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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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/063—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating electric heating
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/12—Methods and means for introducing reactants
- B01D2259/124—Liquid reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a treatment device for waste gas with volatile organic compounds. The treatment device comprises a barrel, a rainproof cover, an induced draft fan, a circulating pump, a low-temperature plasma treatment machine, a combustor, an ozone generator, control valves and a controller. The rainproof cover is arranged on the top of the barrel. The treatment device is characterized in that a mesh plate is arranged on the inner lower portion of the barrel, a blocking plate is arranged on the inner upper portion of the barrel, and the low-temperature plasma treatment machine and the combustor are mounted on a side wall of the barrel and is positioned below the mesh plate. The treatment device has the advantages that the treatment device is reasonable in design and simple in structure, is additionally provided with combustion chambers and has additional automatic control functions, accordingly, the waste gas decomposition speed can be increased, the treatment device is low in wind resistance, the treatment efficiency can be greatly improved, and the running cost can be reduced.
Description
Technical field
The present invention relates to waste gas treatment equipment technical field, be specifically related to a kind of volatile organic compounds processing means.
Background technology
In the work technique of traditional rubbish waste gas treatment equipment, first having to be removed the water-soluble substances in waste gas processing, traditional minimizing technology often sprays simply by single spray equipment, makes the water-soluble substances in waste gas be dissolved in water and removes.This method efficiency is low, and decomposition rate is slow, and windage is high, has a strong impact on the subsequent treatment work of waste gas.
Summary of the invention
The purpose of the present invention is aiming at the defect that prior art exists, it is provided that a kind of volatile organic compounds processing means.
Its technical scheme is: volatile organic compounds processing means, including cylinder, rain cover, air-introduced machine, circulating pump, low-temperature plasma processor, burner, ozonator and control valve, rain cover is arranged on the top of cylinder, it is provided with mesh plate and plugging plate in described cylinder, in cylinder, is separated into the incineration area of bottom, the media filtration district at middle part and the spray district on top by mesh plate and plugging plate；Low-temperature plasma processor and burner are installed on the cylinder lateral wall of described incineration area, the input of low-temperature plasma processor is connected with the pipeline at output of air-introduced machine by the first control valve, the input of burner is connected with the pipeline at output of air-introduced machine by the second control valve, the input of air-introduced machine carrys out pipeline with air vent pipeline and waste gas and is connected, air vent pipeline is provided with check valve and the 3rd control valve, and waste gas carrys out pipeline and is provided with the 4th control valve；In described media filtration district, the upside of mesh plate is provided with ozone conveying pipe and waste gas filter medium；nullDescribed spray district is provided with vent stack on the upside of the middle part of plugging plate，Sensor it is provided with in vent stack，The top of this vent stack is provided with bucker，The barrel wall on described plugging plate top is provided with drain pipe，Drain pipe is provided with water-level gauge and the 5th control valve，Plugging plate top、It is provided with outlet pipe with the sidewall of drain pipe opposite face cylinder，Outlet pipe is connected with the input of moisturizing pipeline and circulating pump by the 6th control valve，Described moisturizing pipeline is provided with the 7th control valve，The inner chamber of described spray district top cylinder is provided with shower，Shower is provided with spray head，Described shower is connected with the pipeline at output of circulating pump，The barrel wall of described shower bottom is provided with ozone pipeline，One end of this ozone pipeline is located in cylinder and bending extends to the upside of plugging plate，The other end of ozone pipeline is located at outside cylinder and is connected with ozonator by the 8th control valve；The outer end of described ozone conveying pipe is connected with ozonator by the 9th control valve；It is respectively equipped with respective manhole in described incineration area, media filtration district and spray district；Described first control valve, the second control valve, the 5th control valve, the 6th control valve, the 7th control valve, the 8th control valve, air-introduced machine, circulating pump, low-temperature plasma processor, burner, ozonator and sensor are electrically connected with the controller respectively, and controller is provided with power connector end.
Described waste gas filter medium is activated carbon.
Described mesh plate is set to two, and the mesh of two mesh plates is crisscross arranged.
Described shower is round coil structure or is 15 straight tube compositions interconnected；Described spray head is at least set to 3, and it is installed on the downside of shower and water spray end is downward.Described ozone conveying pipe is to be provided with some ventholes composition on the upside of the pipe at one end blocked, and the other end of this pipe leads to outside cylinder.
Described bucker is full skirt shape structure, and it supports the top being arranged on vent stack by strip sheet metal.
Described first control valve, the second control valve, the 5th control valve, the 6th control valve, the 7th control valve, the 8th control valve and the 9th control valve are electromagnetic valve or the electrodynamic valve of direct current supply；Described 3rd control valve and the 4th control valve are hand control valve.
Described sensor is harmful gas sensor.
The running voltage of described air-introduced machine and circulating pump is alternating current 220V or 380V；The running voltage of described low-temperature plasma processor, burner and ozonator is direct current 24 48 V.
nullDescribed controller includes on and off switch、Regulated power supply、Time controller、Time-delay relay and harmful gas detection control module，Described sensor is connected with the input of harmful gas detection control module，One outfan of harmful gas detection control module is connected with the first control valve and low-temperature plasma processor，Another outfan of harmful gas detection control module is connected with the second control valve and burner，Three outfans of time controller respectively with the 5th control valve、6th control valve、7th control valve is connected，Supply terminals is by the input of on and off switch with regulated power supply、Input and the circulating pump of time-delay relay are connected，The outfan of time-delay relay is connected with air-introduced machine，The outfan of regulated power supply respectively with the 8th control valve、9th control valve、Ozonator、The power end of time controller and harmful gas detection control module is connected；The input voltage of described regulated power supply is alternating current 220V or 380V, and its output voltage is direct current 24 48 V.
Described harmful gas detection control module includes resistance, adjustable resistance, electric capacity, diode, Zener diode, audion and relay, the power end of this harmful gas detection control module is connected with one end of a signal end, one end of resistance, the negative pole of the 3rd 1 diode, one end of the first relay, the negative pole of the 4th diode, one end of the second relay, one end of the first relay normally open contact, one end of the second relay normally open contact and the first relay normally-closed contact of sensor, and the other end of resistance is connected with the one of sensor pre-hot junction；The other end of described first relay normally open contact is connected with the second outfan of this harmful gas detection control module, and the first outfan of the other end of described second relay normally open contact and the other end of the first relay normally-closed contact and this harmful gas detection control module connects；Another signal end of described sensor and the positive pole of the positive pole of the first diode and the second diode are connected, the negative pole of the first diode and the positive pole of the first electric capacity, one end of first adjustable resistance and the negative pole of the first Zener diode are connected, the positive pole of the first Zener diode and the base stage of the first audion are connected, the colelctor electrode of the first audion and the positive pole of the other end of the first relay and the 3rd diode are connected, the negative pole of the second diode and the positive pole of the second electric capacity, one end of second adjustable resistance and the negative pole of the second Zener diode are connected, the positive pole of the second Zener diode and the base stage of the second audion are connected, the colelctor electrode of the second audion and the positive pole of the other end of the second relay and the 4th diode are connected；Another pre-hot junction of described sensor is connected with the emitter stage of negative pole, the other end of the first adjustable resistance, the negative pole of the second electric capacity, the other end of the second adjustable resistance, the emitter stage of the first audion and second audion of the first electric capacity and detects the line end publicly of control module for this harmful gas.
The present invention compared with prior art, has the advantage that reasonable in design, simple in construction, adds combustor and automatic control function, and the decomposition rate accelerating waste gas is fast, and windage is low, substantially increases treatment effeciency, reduces operating cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present invention；
Fig. 2 is the circuit block diagram of middle controller of the present invention；
Fig. 3 is the schematic diagram of harmful gas detection control module in the present invention.
Detailed description of the invention
With reference to Fig. 1, a kind of volatile organic compounds processing means, including cylinder 1, rain cover 2, air-introduced machine 3, circulating pump 4, low-temperature plasma processor 6, burner 5, ozonator 7 and control valve, rain cover 2 is arranged on the top of cylinder 1, it is provided with mesh plate 8 and plugging plate 9 in described cylinder 1, in cylinder 1, is separated into the incineration area 101 of bottom, the media filtration district 102 at middle part and the spray district 103 on top by mesh plate 8 and plugging plate 9；On cylinder 1 sidewall of described incineration area 101, low-temperature plasma processor 6 and burner 5 are installed, the input of low-temperature plasma processor 6 is connected with the pipeline at output of air-introduced machine 3 by the first control valve 11, the input of burner 5 is connected with the pipeline at output of air-introduced machine 3 by the second control valve 12, the input of air-introduced machine 3 carrys out pipeline 20 with air vent pipeline 10 and waste gas and is connected, air vent pipeline 10 is provided with check valve 32 and the 3rd control valve 13, and waste gas carrys out pipeline 20 and is provided with the 4th control valve 14；In described media filtration district 102, the upside of mesh plate 8 is provided with ozone conveying pipe 31 and waste gas filter medium 21；nullDescribed spray district 103 is provided with vent stack 22 on the upside of the middle part of plugging plate 9，Sensor 37 it is provided with in vent stack 22，The top of this vent stack 22 is provided with bucker 23，Cylinder 1 wall on described plugging plate 9 top is provided with drain pipe 24，Drain pipe 24 is provided with water-level gauge 30 and the 5th control valve 15，Plugging plate 9 top、It is provided with outlet pipe 25 with the sidewall of drain pipe 24 opposite face cylinder，Outlet pipe 25 is connected with the input of moisturizing pipeline 26 and circulating pump 4 by the 6th control valve 16，Described moisturizing pipeline 26 is provided with the 7th control valve 17，The inner chamber of described spray district 103 top cylinder 1 is provided with shower 27，Shower 27 is provided with spray head 28，Described shower 27 is connected with the pipeline at output of circulating pump 4，The barrel wall of described shower 27 bottom is provided with ozone pipeline 20，In one end of this ozone pipeline 29 is located at cylinder 1 and bending extends to the upside of plugging plate 9，The other end of ozone pipeline 29 is located at outside cylinder 1 and is connected with ozonator 7 by the 8th control valve 18；In described media filtration district 102, the outer end of ozone conveying pipe 31 is connected with ozonator 7 by the 9th control valve 19；Described first control valve the 11, second control valve the 12, the 5th control valve the 15, the 6th control valve the 16, the 7th control valve the 17, the 8th control valve the 18, the 9th control valve 19, air-introduced machine 3, circulating pump 4, low-temperature plasma processor 6, burner 5, ozonator 7 and sensor 37 electrically connect with controller 35 respectively, and controller 35 is provided with power connector end 36.It is respectively equipped with respective manhole 33 in described incineration area 101, media filtration district 102 and spray district 103, wherein incineration area 101 and the manhole 33 sprayed in district 103 are respectively set to a convenient maintenance, and the manhole 33 in media filtration district 102 is set to two and is convenient for changing activated carbon.
Described cylinder 1 be open top, bottom closure and in set cuboid or the round structure of cavity.Described waste gas filter medium 21 is activated carbon.Described mesh plate 8 is set to two, and the mesh 81 of two mesh plates 8 is crisscross arranged, and can be effectively isolated the heat in combustor, prevents it from affecting activated carbon.Described shower 27 is round coil structure or is 15 straight tube compositions interconnected, and is conducive to installing；Described spray head 28 is at least set to 3, and it is installed on the downside of shower 27 and water spray end is downward, is conducive to uniformly spraying.Described ozone conveying pipe 31 is to be provided with some ventholes composition on the upside of the pipe at one end blocked, and the other end of this pipe leads to outside cylinder.Described bucker 23 is in full skirt shape structure, and it supports the top being arranged on vent stack 22 by strip sheet metal, prevents the water sprayed from entering vent stack 22.Described first control valve the 11, second control valve the 12, the 5th control valve the 15, the 6th control valve the 16, the 7th control valve the 17, the 8th control valve 18 and the 9th control valve 19 are electromagnetic valve or the electrodynamic valve of direct current supply；Described 3rd control valve 13 and the 4th control valve 14 are hand control valve.Described sensor 37 is semiconductor-type harmful gas sensor, and concrete model is selected according to practical situation, such as: QM-N5 type gas sensor etc..The running voltage of described air-introduced machine 3 and circulating pump 4 is alternating current 220V or 380V；The running voltage of described low-temperature plasma processor 6, burner 5 and ozonator 7 is direct current 24 48 V.
nullWith reference to Fig. 2，Described controller 35 includes on and off switch 350、Regulated power supply 351、Time controller 352、Time-delay relay 354 and harmful gas detection control module 353，Described sensor 37 is connected with the input of harmful gas detection control module 353，One outfan of harmful gas detection control module 353 is connected with the first control valve 11 and low-temperature plasma processor 6，Another outfan of harmful gas detection control module 353 is connected with the second control valve 12 and burner 5，Three outfans of time controller 352 respectively with the 5th control valve 15、6th control valve 16、7th control valve 17 is connected，Supply terminals 33 is by the input of on and off switch 350 with regulated power supply 351、Input and the circulating pump 4 of time-delay relay 354 are connected，The outfan of time-delay relay 354 is connected with air-introduced machine 3，The outfan of regulated power supply 351 respectively with the 8th control valve 18、9th control valve 19、Ozonator 7、The power end of time controller 352 and harmful gas detection control module 353 is connected；The input voltage of described regulated power supply 351 is alternating current 220V or 380V, and its output voltage is direct current 24 48 V.
With reference to 3, described harmful gas detection control module 353 includes resistance, adjustable resistance, electric capacity, diode, Zener diode, audion and relay, the power end V+ of this harmful gas detection control module 353 and a signal end of sensor 37, one end of resistance R, the negative pole of the 3rd 1 diode D3, one end of first relay J 1, the negative pole of the 4th diode D4, one end of second relay J 2, one end of first relay normally open contact J11, one end of second relay normally open contact J21 and one end of the first relay normally-closed contact J12 are connected, the other end of resistance R hot junction pre-with the one of sensor 37 is connected；The other end of described first relay normally open contact J11 is connected with the second outfan N2 of this harmful gas detection control module 353, and the first outfan N1 of the other end of described second relay normally open contact J21 and the other end of the first relay normally-closed contact J12 and this harmful gas detection control module 353 connects；nullAnother signal end of described sensor 37 and the positive pole of the positive pole of the first diode D1 and the second diode D2 are connected，The negative pole of the first diode D1 and the positive pole of the first electric capacity C1、One end of first adjustable resistance W1 and the negative pole of the first Zener diode V1 are connected，The positive pole of the first Zener diode V1 and the base stage of the first audion T1 are connected，The colelctor electrode of the first audion T1 and the positive pole of the other end of the first relay J 1 and the 3rd diode D3 are connected，The negative pole of the second diode D2 and the positive pole of the second electric capacity C2、One end of second adjustable resistance W2 and the negative pole of the second Zener diode V2 are connected，The positive pole of the second Zener diode V2 and the base stage of the second audion T2 are connected，The colelctor electrode of the second audion T2 and the positive pole of the other end of the second relay J 2 and the 4th diode D4 are connected；Another pre-hot junction of described sensor 31 is connected with the emitter stage of the negative pole of the first electric capacity C1, the other end of the first adjustable resistance W1, the negative pole of the second electric capacity C2, the other end of the second adjustable resistance W2, the emitter stage of the first audion T1 and the second audion T2 and detects the line end publicly of control module 353 for this harmful gas.
Harmful gas detection control module 353 operation principle: power end V+ initial electric time, sensor 31 carries out warm operation through resistance R, now the positive terminal current potential of the first diode D1 and the second diode D2 is higher, can charge and puncture the first Zener diode V1, the second Zener diode V2 to rapidly the first electric capacity C1, the second electric capacity C2, first audion T1 and the second audion T2 conducting, first relay J 1 and the second equal action of relay J 2, the first outfan N1 and the second outfan N2 of this harmful gas detection control module 323 all export；After warm operation (general about 12 minutes), sensor 31 enters normal detection state.Time as relatively low in harmful gas concentration, first Zener diode V1 and the second Zener diode V2 all will not be breakdown, first audion T1 and the second audion T2 cut-off, the first relay J 1 and the second relay J 2 are the most static, and the first outfan N1 is exported by the first relay normally-closed contact J12；When harmful gas concentration reaches certain value (this value adjusts setting by W1), the first Zener diode V1 is breakdown, the first audion T1 conducting, first relay J 1 adhesive, first relay normally-closed contact J12 disconnects, and the first relay normally open contact J11 Guan Bi, the second outfan N2 is exported；When harmful gas concentration continuation rising reaches the second setting value (this setting value is adjusted) by W2, second Zener diode V2 is the most breakdown, second audion T2 conducting, second relay J 2 adhesive, second relay normally open contact J21 Guan Bi, the first outfan N1 is also exported by the second relay normally open contact J21；The first outfan N1 and the second outfan N2 of now harmful gas detection control module 323 are exported simultaneously.
When the present invention runs, with reference to 1 Fig. 3, waste gas carrys out pipeline 20 and connects exhaust gas source, and drain pipe 24 connects subsequent processing device or sewers, and moisturizing pipeline 26 connects water supply pipe, and supply terminals 33 connects power supply.On and off switch 350 in opening controller 35, opens the 4th control valve 14；At this moment, in circulating pump 4 and controller 35, time controller 352, time-delay relay 354 and harmful gas detection control module 353 all work, first time controller 352 controls to close the 5th control valve 15 and the 6th control valve 16, open the 7th control valve 17, processing water 34 for the interpolation of this device, after certain time, (this time is presetting, is typically set to 5 10 minutes, just it is slightly below vent stack 22 required time with the water level of process water 34 to be advisable), SEA LEVEL VARIATION can be observed by water-level gauge 30；Time controller 352 controls to open the 6th control valve 16 and closes the 7th control valve 17, the at this moment water around plugging plate 9 top, vent stack 22, i.e. can be delivered to shower 27 by circulating pump 4 and be sprayed by spray head 28.nullSpray head 28 sprays when starting，Just (this time is presetting to time-delay relay 324 delay time，It is typically set to 5 10 minutes) arrive conducting，Air-introduced machine 3 is opened waste gas and is come in the combustor that the waste gas of pipeline 20 enters the formation of cylinder 1 inner mesh plate 8 bottom under air-introduced machine 3 acts on，Meanwhile harmful gas detection control module 353 detects that the concentration of harmful gas is relatively low，Its first outfan exports，First control valve 11 and low-temperature plasma processor 5 obtain electric work，Waste gas carrys out the waste gas of pipeline 20 and processes under low-temperature plasma processor 5 acts on，Waste gas after being processed by temperature plasma processor 5 enters waste gas filter medium 21 through mesh plate 8 and carries out activated carbon filtration treatment，The ozone that meanwhile ozonator 7 sends is by the 9th control valve 19 and ozone conveying pipe 31，It is admitted to bottom activated carbon，So Strong oxdiative decomposition of ozone，Can enhancement process effect，Extend the service life of activated carbon.Have passed through the gas after activated carbon filtration treatment and carry out spray process in the spray process chamber of entrance shower 27 bottom, vent stack 22 top.In spray processing procedure, the ozone that ozonator 7 sends is admitted to process in water 34, the Strong oxdiative decomposition of such ozone, and the harmful substance oxidation Decomposition of the remaining in shower water, shower water recycles without changing.Gas after being processed by spray process is discharged from cylinder 1 top, and rain cover 2 is used for preventing rainwater from entering cylinder 1.When harmful gas detection control module 353 detect harmful gas concentration reach certain value (this setting value is adjusted) by W1 time, first outfan stops output, second outfan output, close the first control valve 11, low-temperature plasma processor 5, and open burner 6 and the second control valve 12, waste gas is carried out burn processing by burner 6 in combustor.When harmful gas detection control module 353 detect harmful gas concentration continue rising reach the second setting value (this setting value is adjusted) by W2 time, first outfan, the second outfan export simultaneously, open the first control valve 11, low-temperature plasma processor the 5, second control valve 12 and burner 6 simultaneously, carry out double mode process, so can be greatly enhanced treatment effect.
Above the present invention has been done exemplary description; should be noted that; in the case of without departing from core of the present invention, any simple deformation, amendment or other those skilled in the art can not spend the equivalent of creative work to each fall within protection scope of the present invention.
Claims (10)
1. volatile organic compounds processing means, including cylinder, rain cover, air-introduced machine, circulating pump, low-temperature plasma processor, burner, ozonator and control valve, rain cover is arranged on the top of cylinder, it is characterized in that: in described cylinder, be provided with mesh plate and plugging plate, in cylinder, be separated into the incineration area of bottom, the media filtration district at middle part and the spray district on top by mesh plate and plugging plate；Low-temperature plasma processor and burner are installed on the cylinder lateral wall of described incineration area, the input of low-temperature plasma processor is connected with the pipeline at output of air-introduced machine by the first control valve, the input of burner is connected with the pipeline at output of air-introduced machine by the second control valve, the input of air-introduced machine carrys out pipeline with air vent pipeline and waste gas and is connected, air vent pipeline is provided with check valve and the 3rd control valve, and waste gas carrys out pipeline and is provided with the 4th control valve；In described media filtration district, the upside of mesh plate is provided with ozone conveying pipe and waste gas filter medium；nullDescribed spray district is provided with vent stack on the upside of the middle part of plugging plate，Sensor it is provided with in vent stack，The top of this vent stack is provided with bucker，The barrel wall on described plugging plate top is provided with drain pipe，Drain pipe is provided with water-level gauge and the 5th control valve，Plugging plate top、It is provided with outlet pipe with the sidewall of drain pipe opposite face cylinder，Outlet pipe is connected with the input of moisturizing pipeline and circulating pump by the 6th control valve，Described moisturizing pipeline is provided with the 7th control valve，The inner chamber of described spray district top cylinder is provided with shower，Shower is provided with spray head，Described shower is connected with the pipeline at output of circulating pump，The barrel wall of described shower bottom is provided with ozone pipeline，One end of this ozone pipeline is located in cylinder and bending extends to the upside of plugging plate，The other end of ozone pipeline is located at outside cylinder and is connected with ozonator by the 8th control valve；The outer end of described ozone conveying pipe is connected with ozonator by the 9th control valve；It is respectively equipped with respective manhole in described incineration area, media filtration district and spray district；Described first control valve, the second control valve, the 5th control valve, the 6th control valve, the 7th control valve, the 8th control valve, air-introduced machine, circulating pump, low-temperature plasma processor, burner, ozonator and sensor are electrically connected with the controller respectively, and controller is provided with power connector end.
Volatile organic compounds processing means the most according to claim 1, it is characterised in that: described waste gas filter medium is activated carbon.
Volatile organic compounds processing means the most according to claim 1, it is characterised in that: described mesh plate is set to two, and the mesh of two mesh plates is crisscross arranged.
Volatile organic compounds processing means the most according to claim 1, it is characterised in that: described shower is round coil structure or is 15 straight tube compositions interconnected；Described spray head is at least set to 3, and it is installed on the downside of shower and water spray end is downward；Described ozone conveying pipe is to be provided with some ventholes composition on the upside of the pipe at one end blocked, and the other end of this pipe leads to outside cylinder.
5. according to the volatile organic compounds processing means described in claim 1, it is characterised in that: described bucker is full skirt shape structure, and it supports the top being arranged on vent stack by strip sheet metal.
6. according to the volatile organic compounds processing means described in claim 1, it is characterised in that: described first control valve, the second control valve, the 5th control valve, the 6th control valve, the 7th control valve, the 8th control valve and the 9th control valve are electromagnetic valve or the electrodynamic valve of direct current supply；Described 3rd control valve and the 4th control valve are hand control valve.
7. according to the volatile organic compounds processing means described in claim 1, it is characterised in that: described sensor is harmful gas sensor.
8. according to the volatile organic compounds processing means described in claim 1, it is characterised in that: the running voltage of described air-introduced machine and circulating pump is alternating current 220V or 380V；The running voltage of described low-temperature plasma processor, burner and ozonator is direct current 24 48 V.
null9. according to the volatile organic compounds processing means described in claim 1，It is characterized in that: described controller includes on and off switch、Regulated power supply、Time controller、Time-delay relay and harmful gas detection control module，Described sensor is connected with the input of harmful gas detection control module，One outfan of harmful gas detection control module is connected with the first control valve and low-temperature plasma processor，Another outfan of harmful gas detection control module is connected with the second control valve and burner，Three outfans of time controller respectively with the 5th control valve、6th control valve、7th control valve is connected，Supply terminals is by the input of on and off switch with regulated power supply、Input and the circulating pump of time-delay relay are connected，The outfan of time-delay relay is connected with air-introduced machine，The outfan of regulated power supply respectively with the 8th control valve、9th control valve、Ozonator、The power end of time controller and harmful gas detection control module is connected；The input voltage of described regulated power supply is alternating current 220V or 380V, and its output voltage is direct current 24 48 V.
10. according to the volatile organic compounds processing means described in claim 8, it is characterized in that: described harmful gas detection control module includes resistance, adjustable resistance, electric capacity, diode, Zener diode, audion and relay, the power end of this harmful gas detection control module and a signal end of sensor, one end of resistance, the negative pole of the 3rd 1 diode, one end of first relay, the negative pole of the 4th diode, one end of second relay, one end of first relay normally open contact, one end of second relay normally open contact and one end of the first relay normally-closed contact are connected, the other end of resistance is connected with the one of sensor pre-hot junction；The other end of described first relay normally open contact is connected with the second outfan of this harmful gas detection control module, and the first outfan of the other end of described second relay normally open contact and the other end of the first relay normally-closed contact and this harmful gas detection control module connects；Another signal end of described sensor and the positive pole of the positive pole of the first diode and the second diode are connected, the negative pole of the first diode and the positive pole of the first electric capacity, one end of first adjustable resistance and the negative pole of the first Zener diode are connected, the positive pole of the first Zener diode and the base stage of the first audion are connected, the colelctor electrode of the first audion and the positive pole of the other end of the first relay and the 3rd diode are connected, the negative pole of the second diode and the positive pole of the second electric capacity, one end of second adjustable resistance and the negative pole of the second Zener diode are connected, the positive pole of the second Zener diode and the base stage of the second audion are connected, the colelctor electrode of the second audion and the positive pole of the other end of the second relay and the 4th diode are connected；Another pre-hot junction of described sensor is connected with the emitter stage of negative pole, the other end of the first adjustable resistance, the negative pole of the second electric capacity, the other end of the second adjustable resistance, the emitter stage of the first audion and second audion of the first electric capacity and detects the line end publicly of control module for this harmful gas.
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| CN201610454505.4A CN105879591A (en) | 2016-06-22 | 2016-06-22 | Treatment device for waste gas with volatile organic compounds |
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