CN108096969A - A kind of tail gas photooxidation method for cracking treatment based on vaporizing oil-gas purification techniques - Google Patents
A kind of tail gas photooxidation method for cracking treatment based on vaporizing oil-gas purification techniques Download PDFInfo
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- CN108096969A CN108096969A CN201711266895.3A CN201711266895A CN108096969A CN 108096969 A CN108096969 A CN 108096969A CN 201711266895 A CN201711266895 A CN 201711266895A CN 108096969 A CN108096969 A CN 108096969A
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- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000007539 photo-oxidation reaction Methods 0.000 title claims abstract description 48
- 238000005336 cracking Methods 0.000 title claims abstract description 37
- 238000000746 purification Methods 0.000 title claims abstract description 33
- 230000008016 vaporization Effects 0.000 title claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 227
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000007921 spray Substances 0.000 claims abstract description 31
- 239000000428 dust Substances 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 238000000151 deposition Methods 0.000 claims abstract description 23
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000005684 electric field Effects 0.000 claims abstract description 19
- 239000003546 flue gas Substances 0.000 claims abstract description 19
- 239000000356 contaminant Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 150000003384 small molecules Chemical class 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 9
- 239000012855 volatile organic compound Substances 0.000 claims abstract description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 24
- 238000006555 catalytic reaction Methods 0.000 claims description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 11
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 claims description 10
- 150000003254 radicals Chemical class 0.000 claims description 10
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 claims description 10
- 229910001868 water Inorganic materials 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 7
- 230000000505 pernicious effect Effects 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 7
- 238000005457 optimization Methods 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 239000005864 Sulphur Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 5
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000010410 dusting Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000001590 oxidative effect Effects 0.000 abstract description 6
- 229920002521 macromolecule Polymers 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 description 12
- 238000007254 oxidation reaction Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 239000003344 environmental pollutant Substances 0.000 description 10
- 231100000719 pollutant Toxicity 0.000 description 10
- 230000004992 fission Effects 0.000 description 8
- 239000002912 waste gas Substances 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 7
- 238000006731 degradation reaction Methods 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 238000006303 photolysis reaction Methods 0.000 description 6
- 230000003197 catalytic effect Effects 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000001699 photocatalysis Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 244000286663 Ficus elastica Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002440 industrial waste Substances 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 238000007146 photocatalysis Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000005281 excited state Effects 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000012668 chain scission Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012458 free base Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010057 rubber processing Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- 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
- B01D53/346—Controlling the process
-
- 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
-
- 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
- B01D53/76—Gas phase processes, e.g. by using aerosols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8696—Controlling the catalytic process
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Dispersion Chemistry (AREA)
- Treating Waste Gases (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses a kind of tail gas photooxidation method for cracking treatment based on vaporizing oil-gas purification techniques, organic exhaust gas enters cyclone defroster depositing dust cooler, oil gas purification electric field equipment degrades macromolecule contaminant, it is decomposed into small-molecule substance, dust particle is fixed on spray liquid into front end spray column, then photooxidation is entered by air hose and cracks cabinet progress off-gas oxidizing processing；In off-gas oxidizing processing procedure, the exhaust gas concentration detection sensor mounted on photooxidation cracking cabinet inlet will detect exhaust gas concentration in real time and signal is fed back to the regular combination open and close of fluorescent tube in single-chip computer control system, control high energy ultraviolet lamp group module, ozone supply module；It finally enters dry method flue gas integrated treatment tank and ozone filter screen realizes the ultra-clean discharge after exhaust-gas treatment.The present invention can realize the energy-efficient operation of whole system, extend the service life of lamp group module, improve VOCs treatment effect, and secondary pollution problem caused by avoiding conventional wet technique realizes ultra-clean discharge.
Description
Technical field
The present invention relates to technical field of waste gas treatment, are specifically a kind of tail gas photooxidation based on vaporizing oil-gas purification techniques
Method for cracking treatment.
Background technology
Atmosphere pollution is one of China's environmental problem most prominent at present.Wherein industrial waste gas is the important of atmosphere pollution
Source.Most intractable in industrial waste gas is exactly organic exhaust gas, is mainly derived from petrochemical industry rubber industry production process and arranges
The exhaust gas put, organic exhaust gas are not only caused outside direct atmosphere pollution, and it is secondary also to participate in complicated reaction generation in an atmosphere
Pollutant becomes one of main source of PM2.5.Therefore, the processing of organic exhaust gas and purifying problem are urgently to be resolved hurrily.
Traditional organic waste-gas purification processing means mainly include：Direct high-temperature combustion method, catalytic oxidation, ozone deodorizing
Method, active carbon adsorption, soda acid liquid spray process, biological odor removal method etc..There are equipment investments to varying degrees for these methods
Height, operating cost are high, it is big to handle narrow-minded, job insecurity, occupied space, deodorization purification efficiency is not high, there are secondary pollutions
The problems such as.At present, new ultraviolet light exhaust treatment system has obtained more and more applications, by big after UV treatment
The strand of molecule organic exhaust gas, which is interrupted, becomes small molecule contaminants, can be by the row of exhaust gas using the processing of follow-up equipment
It puts and is reduced to a very low level.
In Chinese patent literature, CN103505990A is related to a kind of UV-VOC emission-control equipments, including babinet, described
Photodissociation is equipped in babinet and aoxidizes fission chamber, the photodissociation oxidation fission chamber is connected by pipeline with waste gas inlet；Described
Excitation high-pressure installation is equipped in photodissociation oxidation fission chamber, decomposition organic exhaust gas is additionally provided with control system on the babinet to fission
System, the control system include master controller, B/P EGR Back Pressure Transducer EGR, photoelectric sensor, realize to the overall operation of the equipment and
Security control.The present invention aoxidizes fission chamber by photodissociation effectively realizes the purified treatment of exhaust gas, by the abundant oxygen of organic exhaust gas
Change fission discharge, it is pollution-free；The filtering and separation of exhaust gas are realized by pretreatment section, for follow-up photodissociation oxidation fission processing system
It creates conditions to the processing of exhaust gas；The application of water circulation system doubles to extend the use longevity of photodissociation oxidation fission device handling system
Life.CN104667674B is related to technical field of air purification processing, more particularly, to coating waste gas treatment process and its device, bag
Paint mist treatment is included, the dust particles in exhaust gas are handled by water spray；Photocatalysis treatment makes organic or inorganic macromolecule in exhaust gas
Malodorous compound molecular chain degradation is transformed into low molecular compound, is thus modified as hydrophily gas；And gas-liquid mixed processing,
The peculiar smell in removing exhaust gas is removed, exhaust-gas treatment is more thorough.Its device has a paint mist treatment tower, a photocatalysis treatment device and a gas-liquid
Mixed processing machine, the coaxial word of three are connected successively, form sealing passage, according to above-mentioned process coating waste gas, structure letter
It is single, it easily makes, clean-up effect is good, is applicable in industrial waste gas processing.CN105964120A discloses a kind of exhaust treatment system, bag
Include alkali spray column, plant liquid spraying tower, photocatalytic oxidation device, wind turbine and chimney, the alkali spray column, plant liquid spraying tower,
Photocatalytic oxidation device, wind turbine and chimney are sequentially connected.The present invention is compared with traditional technology, design science, handles exhaust gas effect
It is apparent, soda acid is handled, biochemical treatment and Treatment by Photocatalysis Oxidation combine in a system, can fully handle mixed type
Exhaust gas, discharge after being allowed to up to standard.Entitled " combined plastic granulation waste gas cleaning system ", Publication No.
The utility model patent of CN205550040U discloses a kind of technical solution, including spray scrubber and whirlwind aqueous vapor separation dress
It puts, waste gas treatment equipment, waste gas treatment equipment includes activated carbon adsorption storehouse, UV photooxidations catalysis storehouse and low-temperature plasma equipment.On
The technology of stating can effectively remove smog and debirs in exhaust gas.But above-mentioned technical proposal intelligentized control method level is very low, no
The processing power of ultraviolet equipment can be controlled in real time according to pollutant concentration, the waste or pollutant process for causing the energy do not reach
Target problem.In addition by ultraviolet equipment treated exhaust gas in discharge because conventional wet equipment for after-treatment (is generally adopted
With scrubbing tower) limitation can also pollute object with water mist of gas flowing discharge caused by secondary pollution problem.
The content of the invention
In order to solve the above technical problem, the present invention provides a kind of tail gas photooxidation cracking based on vaporizing oil-gas purification techniques
Processing method, available in the cracking such as waste rubber and waste plastic in chemical plant exhaust gas, rubber processing and reclaimed rubber process
Tail gas and catering trade vent gas treatment；Purpose is to realize the intelligentized control method of ultraviolet equipment, effectively saves the energy, carries
High workload efficiency realizes the ultra-clean discharge of exhaust gas.
In order to achieve the above objectives, technical scheme is as follows：
A kind of tail gas photooxidation method for cracking treatment based on vaporizing oil-gas purification techniques, including：
1) factory's organic exhaust gas enters the cyclone defroster depositing dust cooler so as to carry out demisting and depositing dust, by tentatively locating
The exhaust gas of reason can be passed through in oil gas purification electric field equipment；Oil gas purification electric field equipment makes the hairs such as larger contaminant molecule, fluid
Solution estranged, while the hydroxy (- OH) generated and active oxygen (- O) isoreactivity free radical and O3With pernicious gas molecule
Reaction is learned, is small-molecule substance by the larger contaminant degradation of molecule；
2) organic exhaust gas after rough dusting enters the front end spray column, and front end spray column is by spraying organic exhaust gas
In dust particle be fixed in spray liquid；
3) organic exhaust gas after dedusting cracks cabinet by air hose into the photooxidation again, and organic exhaust gas is cracked by photooxidation
The further dedusting filter of the dust-proof filter wet web of cabinet entrance is wet, and high energy ultraviolet lamp group module is by organic exhaust gas macromolecular chain rupture, ozone
Supplying module further aoxidizes the small molecule exhaust gas after chain rupture, TiO2Catalysis net participates in catalysis, and organic exhaust gas is broken down into CO2、
H2O, sulfur oxide, nitrogen oxide；
4) in the 3) step processing procedure, the exhaust gas concentration detection sensor mounted on photooxidation cracking cabinet inlet will be real-time
Signal is simultaneously fed back to single-chip computer control system by detection exhaust gas concentration, and single-chip computer control system is accordingly dense according to input-signal judging
Degree scope simultaneously enables the control program of autonomous optimization design to control high energy ultraviolet lamp group module, ozone supply module regular
Combination open and close, realize the energy-efficient processing to organic exhaust gas；
5) gas after processing enters the dry method flue gas integrated treatment tank under the action of the suction type air-introduced machine
The fixation of sulphur, nitrogen oxides is realized, in the ozone filter screen that the exhaust outlet of dry method flue gas integrated treatment tank is installed by whole system
The unconsumed ozone reduction of middle generation is oxygen.
6) such as treated, and the minimum exhaust gas concentration discharge standard of default is not achieved in gas concentration, by most heel row
The three-way electromagnetic switch valve of position before gas port, Intelligent control cabinet can control three-way electromagnetic switch valve that gas is discharged into air one
The pipe switch closing of side, so that untreated gas up to standard by pipeline is conveyed and is given to leading portion processing equipment and locates again again
Reason, until the detection numerical value of postposition exhaust gas concentration detection sensor meets the concentration standard value of default, Intelligent control cabinet is
Three-way electromagnetic switch valve can be controlled to open the pipe switch that gas is discharged into air, the postposition installed after the ozone filter screen is given up
Gas concentration detection sensor detection gas, the single-chip computer control system record this gas component, carry out next time equally into
Single-chip computer control system control high energy ultraviolet lamp group module and ozone supply mould during the vent gas treatment divided in Intelligent control cabinet
Block, the shape of the fluorescent tube of every group of unlatching are arranged according to the upper level of corresponding concentration scale, after final realization VOCs treatment
Ultra-clean discharge.
The present invention concrete technology flow process be：First with the cyclone defroster depositing dust cooler of autonomous Design to plant emissions
Exhaust gas carry out demisting and depositing dust operation, simultaneously flowing through the exhaust gas of cyclone defroster depositing dust cooler can cool down, in favor of right below
The processing of exhaust gas, the exhaust gas by preliminary treatment can be passed through in oil gas purification electric field equipment, and oil gas purifies electric field equipment in high electricity
It depresses the high energy electron generated, ion, excited state particle and there is the pollutant in the free radical and exhaust gas of strong oxidizing property to occur
Interaction, larger contaminant molecule, fluid etc. is made to decompose in the extremely short time, while generate a large amount of hydroxys (-
OH) the O extremely strong with active oxygen (- O) isoreactivity free radical and oxidisability3, chemically react with pernicious gas molecule, first will
The larger contaminant degradation of molecule waits follow up device to be further processed for small-molecule substance, followed by spray column by rubber plant
Remainder particulate object removal in exhaust gas, cracks cabinet, the control program of autonomous optimization design is led to subsequently into intelligent and high-efficiency photooxidation
Cross the feedback signal of the sensor of this intelligent and high-efficiency photooxidation cracking cabinet inlet detection pollutant concentration, control quartz burner,
The regular stacked switch of energetic ion pipe, while in TiO2Under the catalytic action of catalysis net to the macromolecular of organic exhaust gas into
The highly efficient destruction of row and oxidation, afterwards under the suction function of intelligent and high-efficiency photooxidation cracking cabinet air-outlet draft fan formation
Into in dry method flue gas integrated treatment tank, sulfur oxide is fixed up, avoids sulfur oxide caused by traditional spray process
Leak, being equipped with ozone filter screen in the exhaust outlet of dry method flue gas integrated treatment tank can not consume what is generated in whole system
Ozone reduction for oxygen, ensure that the zero-emission of ozone, the clean gas finally handled by whole system is discharged into air.
Compared to the prior art, design of this programme based on intelligent control, single-chip computer control system crack cabinet by photooxidation
The feedback signal of the sensor of inlet detection pollutant concentration, controls the regular combination open and close of lamp group module, realization pair
The energy-efficient processing of organic exhaust gas.In addition, gas after processing enters dry method flue gas General Office under the action of air-introduced machine
It manages in tank, sulfur oxide is fixed up, leaking for sulfur oxide caused by avoiding traditional spray process is comprehensive in dry method flue gas
The exhaust outlet of conjunction process tank, which is equipped with ozone filter screen, to be oxygen by the unconsumed ozone reduction generated in whole system, protect
The zero-emission of ozone has been demonstrate,proved, processing clean gas has been discharged into air.Utilize the cyclone defroster depositing dust cooler pair of autonomous Design
The exhaust gas of plant emissions carries out demisting and depositing dust operation, and simultaneously flowing through the exhaust gas of cyclone defroster depositing dust cooler can cool down, with profit
Later to the processing of exhaust gas, the exhaust gas by preliminary treatment is passed through in oil gas purification electric field equipment, oil gas purification electric field equipment
Pollution in the high energy electron that generates under high voltages, ion, excited state particle and free radical and exhaust gas with strong oxidizing property
Object interacts, and larger contaminant molecule, fluid etc. is made to decompose in the extremely short time, while a large amount of hydrogen generated
Oxygroup (- OH) the O extremely strong with active oxygen (- O) isoreactivity free radical and oxidisability3, it is chemically reacted with pernicious gas molecule,
For small-molecule substance follow up device is waited to be further processed the larger contaminant degradation of molecule first, it will using front end spray column
Dust particle in factory's organic exhaust gas is fixed on by spray in spray liquid, carries out preliminary further dedusting.This programme has
Beneficial to the service life for extending lamp group module, VOCs treatment effect is improved.By experimental studies have found that can be by lamp group module
Service life extend 35%, VOCs treatment effect promoting 26%.
Based on said program, the present invention is also made that following improvement：
Demisting is carried out to the exhaust gas of plant emissions using the cyclone defroster depositing dust cooler of autonomous Design and depositing dust operates, together
The exhaust gas of Shi Liujing cyclone defroster depositing dust coolers can cool down, in favor of the processing below to exhaust gas, by the useless of preliminary treatment
Gas can be passed through oil gas purification electric field equipment in, oil gas purification electric field equipment generate under high voltages high energy electron, ion, excitation
State particle and with strong oxidizing property free radical and exhaust gas in pollutant interact, make larger contaminant molecule,
Fluid etc. is decomposed in the extremely short time, while a large amount of hydroxys (- OH) generated and active oxygen (- O) isoreactivity free radical
The extremely strong O with oxidisability3, chemically reacted with pernicious gas molecule, be small point first by the larger contaminant degradation of molecule
Sub- substance waits follow up device to be further processed.
It is equal that the fluorescent tube layout that the high energy ultraviolet lamp group module and ozone supply module fluorescent tube are opened follows spatial distribution
Even property principle.The feedback signal for detecting the sensor of exhaust gas concentration in cabinet inlet is cracked by photooxidation in this improvement project, is utilized
The regular combination open and close of control the programme-control quartz burner, energetic ion pipe of the autonomous optimization design of microcontroller.Fluorescent tube
Unlatching follow uniform spatial distribution principle be in order to ensure reaction uniformity.
The high energy ultraviolet lamp group module includes 3 groups including 4 groups, ozone supply module, and every group of lamp group includes 4 lamps
Pipe, controls the fluorescent tube open method to be：
When exhaust gas concentration is 0-150mg/m3, in high energy ultraviolet lamp group module, every group is only opened 1 fluorescent tube, and all
The lamp strip position that the fluorescent tube that group is opened is opened differs, and arranges integral into " W " or " M " type；In ozone supply module, only open
1 fluorescent tube among first group and the 3rd group, the lamp strip position of unlatching are staggered；
When exhaust gas concentration is 150-200mg/m3, in high energy ultraviolet lamp group module, 2 fluorescent tubes of every group of unlatching, integral into
“>" and "<" staggered；In ozone supply module, 2 fluorescent tubes in first group and second group, the lamp strip position of unlatching are opened
“>" or "<" type；
When exhaust gas concentration is 200-250mg/m3, in high energy ultraviolet lamp group module, first group and the 3rd group of fluorescent tube it is whole
It opens, second group and the 4th group is opened 2 fluorescent tubes and fluorescent tube is staggered；In ozone supply module, every group is opened 2 lamps
Pipe, integral into ">" and "<" staggered；
When exhaust gas concentration is 250mg/m3More than, all fluorescent tubes of high energy ultraviolet lamp group module are opened；Ozone supply mould
In block, first group of fluorescent tube is all turned on, and second group and the 3rd group of fluorescent tube open 2 fluorescent tubes, second and third group of fluorescent tube arrangement is in
“>" or "<" type.
The photooxidation cracking cabinet inlet is equipped with the dust-proof filter wet web of changeable type.Prevented in this improvement project using changeable type
Dirt filters wet web, wet to exhaust gas further dedusting filter, and protection photooxidation cracking cabinet avoids excessive moisture from causing the accident of lamp group module
Electric discharge ensures the suitable working environment of photooxidation cracking cabinet.
TiO is evenly distributed between the lamp group module2Catalysis net, TiO2Catalysis net participates in catalysis, and organic exhaust gas is divided
It solves as CO2、H2O, sulfur oxide, nitrogen oxide.In TiO in this improvement project2To organic waste under the catalytic action of catalysis net
The macromolecular of gas carries out highly efficient destruction and oxidation, improves efficiency.
The air-introduced machine is suction type air-introduced machine.The gas mobilization dynamic of package unit is drawn by suction type in this improvement project
Wind turbine provides, and due to the presence of negative pressure, ensures that untreated organic exhaust gas will not be outer in photooxidation cracking cabinet or even package unit
It lets out, causes the pollution of environment.
The exhaust gas in dry method flue gas integrated treatment tank is finally entered, sulfur oxide is fixed up, avoids traditional spray
Sulfur oxide caused by method leaks, and being equipped with ozone filter screen in the exhaust outlet of dry method flue gas integrated treatment tank can be by the whole series
The unconsumed ozone reduction generated in system is oxygen, ensure that the zero-emission of ozone, is finally handled by whole system
Clean gas is discharged into air.
Description of the drawings
Equipment three-dimensional structure diagram included in Fig. 1 present invention
Fig. 2 photooxidation cracking cabinet box house three-dimensional structure diagrams of the present invention
Fig. 3 high energy ultraviolet lamp group module three-dimensional structure diagrams of the present invention
The high energy ultraviolet lamp group module of Fig. 4 present invention and ozone supply module lamp group structure chart
In figure：1- cyclone defroster depositing dust coolers, 2- oil gas purification electric field equipment, 3- front ends spray column, 4- exhaust gas concentrations
Detection sensor, 5- photooxidations cracking cabinet, the dust-proof filter wet webs of 6-, 7- high energy ultraviolet lamp group modules, 8- ozone supply modules, 9-
TiO2Catalysis net, 10- Intelligent control cabinets, 11- suction type air-introduced machines, 12- dry method flue gas integrated treatment tanks, 13- ozone filter screens,
14- postposition exhaust gas concentration detection sensors, 15- three-way electromagnetic switch valves.
Specific embodiment
The specific implementation of the present invention is further described below in conjunction with the accompanying drawings.
A kind of tail gas photooxidation method for cracking treatment based on vaporizing oil-gas purification techniques, including,
A kind of emission-control equipment for rubber plant, including cyclone defroster depositing dust cooler 1, oil gas purification electric field equipment
2nd, front end spray column 3, exhaust gas concentration detection sensor 4, photooxidation cracking cabinet 5, dust-proof filter wet web 6, high energy ultraviolet lamp group module
7th, ozone supply module 8, TiO2Catalysis net 9, single-chip computer control system, suction type air-introduced machine 11, dry method flue gas integrated treatment tank
12nd, ozone filter screen 13；The air inlet and exhaust outlet of cyclone defroster depositing dust cooler 1 and factory's exhaust outlet and oil gas purification electric field
Equipment 2 connects respectively, and oil gas purification 2 exhaust outlet of electric field equipment is connected with front end spray column 3, and front end spray column 3 is cracked with photooxidation
Cabinet 5 is connected by air hose, and exhaust gas concentration detection sensor 4 is mounted on 5 inlet of photooxidation cracking cabinet, and dust-proof filter wet web 6 is mounted on
In the slot of 5 inlet of photooxidation cracking cabinet, high energy ultraviolet lamp group module 7 is installed on photooxidation cracking cabinet by certain amount and spacing
In 5, ozone supply module 8 is installed on by certain amount and spacing in photooxidation cracking cabinet 5 and in high energy ultraviolet lamp group mould
The rear end of block 7, TiO2Catalysis net 9 be uniformly installed between each high energy ultraviolet lamp group module 7 and each ozone supply module 8 it
Between, single-chip computer control system is installed in photooxidation cracking 5 Intelligent control cabinet of cabinet, and suction type air-introduced machine 11 is installed on photooxidation cracking cabinet
At 5 air outlets and the air outlet of suction type air-introduced machine 11 accesses dry method flue gas integrated treatment tank 12, in dry method flue gas General Office
The exhaust ports of reason tank 12 are equipped with ozone filter screen 13, and the detection of postposition exhaust gas concentration is equipped with after the ozone filter screen 13
Sensor 14, the position before last exhaust outlet are equipped with three-way electromagnetic switch valve 15, what three-way electromagnetic switch valve 15 connected
Tracheae is connected with the gas outlet pipeline side of cyclone defroster depositing dust cooler 1, and gas concentration that such as treated is not achieved system and sets
Fixed minimum exhaust gas concentration discharge standard, then Intelligent control cabinet 10 can control three-way electromagnetic switch valve 15 that gas is discharged into air one
The pipe switch closing of side, so that untreated gas up to standard by pipeline is conveyed and is given to leading portion processing equipment and locates again again
Reason, until the detection numerical value of postposition exhaust gas concentration detection sensor 14 meets the concentration standard value of default, Intelligent control cabinet
10, which can just control three-way electromagnetic switch valve 15 to open gas, is discharged into the pipe switch of air, the monolithic in the Intelligent control cabinet 10
Machine control system records this gas component simultaneously, carries out next time during the vent gas treatment of same sample ingredient in Intelligent control cabinet 10
Single-chip computer control system control high energy ultraviolet lamp group module 7 and ozone supply module 8, the shape of the fluorescent tube of every group of unlatching according to
The upper level arrangement of corresponding concentration scale, and so on, until maximum concentration grade.
As shown in Figure 1,2,3, 4, a kind of working method of emission-control equipment for rubber plant of the invention is：Factory has
The cyclone defroster depositing dust cooler 1 that machine exhaust gas enters autonomous Design carries out demisting and depositing dust operation to the exhaust gas of plant emissions, together
The exhaust gas of Shi Liujing cyclone defroster depositing dusts cooler 1 can cool down, in favor of the processing below to exhaust gas, by the useless of preliminary treatment
Gas can be passed through oil gas purification electric field equipment 2 in, oil gas purification electric field equipment 2 generate under high voltages high energy electron, ion, swash
It sends out state particle and there is the pollutant in the free radical and exhaust gas of strong oxidizing property to interact, make larger pollutant point
Son, fluid etc. are decomposed in the extremely short time, while a large amount of hydroxys (- OH) generated and active oxygen (- O) isoreactivity are free
Base and the extremely strong O of oxidisability3, chemically reacted with pernicious gas molecule, be small first by the larger contaminant degradation of molecule
Molecular substance waits follow up device to be further processed, and front end spray column 3 is by the dust in factory's organic exhaust gas of preliminary treatment
Grain object is fixed on by spray in spray liquid, and then the organic exhaust gas after dedusting again is split by air hose into efficient photooxidation
Cabinet babinet 5 is solved, wet effect, high energy ultraviolet lamp group module 7 are filtered in further dedusting of the organic exhaust gas successively by dust-proof filter wet web 6
Chain scission to organic exhaust gas macromolecular, ozone supply module 8 is to the further oxidation of the small molecule exhaust gas after chain rupture
And TiO in this process2The catalytic action that catalysis net 9 participates in, organic exhaust gas are broken down into CO substantially2、H2O, the oxidation of sulphur
Object, nitrogen oxide etc. are mounted on the exhaust gas concentration detection sensing of 5 inlet of efficient photooxidation cracking cabinet babinet in processing procedure
Device 4 can detect pollutant concentration and signal is fed back to single-chip computer control system in real time, and single-chip computer control system is believed according to input
Number judge respective concentration scope and enable the control program of autonomous optimization design to control high energy ultraviolet lamp group module 7, ozone
8 regular stacked switch of supplying module realizes the energy-efficient processing to organic exhaust gas, and gas after processing is in suction type
The fixation of sulphur, nitrogen oxides is realized under the action of air-introduced machine 11 into dry method flue gas integrated treatment tank 12, is integrated in dry method flue gas
The exhaust outlet of process tank 12, which is equipped with ozone filter screen 13, to be oxygen by the unconsumed ozone reduction generated in whole system,
It ensure that the zero-emission of ozone, finally realize the ultra-clean discharge after VOCs treatment.
1) factory's organic exhaust gas enters the cyclone defroster depositing dust cooler so as to carry out demisting and depositing dust, by tentatively locating
The exhaust gas of reason can be passed through in oil gas purification electric field equipment；Oil gas purification electric field equipment makes the hairs such as larger contaminant molecule, fluid
Solution estranged, while the hydroxy (- OH) generated and active oxygen (- O) isoreactivity free radical and O3With pernicious gas molecule
Reaction is learned, is small-molecule substance by the larger contaminant degradation of molecule；
2) organic exhaust gas after rough dusting enters the front end spray column 1, and front end spray column 1 is by spraying organic waste
Dust particle in gas is fixed in spray liquid；
3) organic exhaust gas after dedusting cracks cabinet 3 by air hose into the photooxidation again, and organic exhaust gas is split by photooxidation
It is wet to solve 4 further dedusting of the dust-proof filter wet web filter of 3 entrance of cabinet, high energy ultraviolet lamp group module 5 by organic exhaust gas macromolecular chain rupture,
Ozone supply module 6 further aoxidizes the small molecule exhaust gas after chain rupture；
4) in the 3) step processing procedure, the exhaust gas concentration detection sensor 2 mounted on photooxidation cracking cabinet inlet will be real
When detect and exhaust gas concentration and signal fed back into single-chip computer control system, single-chip computer control system is corresponding according to input-signal judging
Concentration range simultaneously enables the control program of autonomous optimization design high energy ultraviolet lamp group module 5, ozone supply module 6 to be controlled to have
The energy-efficient processing to organic exhaust gas is realized in the combination open and close of rule；
5) gas after processing is realized under the action of the air-introduced machine 9 into the dry method flue gas integrated treatment tank 10
The fixation of sulphur, nitrogen oxides, will be raw in whole system in the ozone filter screen that the exhaust outlet of dry method flue gas integrated treatment tank is installed
Into unconsumed ozone reduction be oxygen；
6) such as treated, and the minimum exhaust gas concentration discharge standard of default is not achieved in gas concentration, by most heel row
The three-way electromagnetic switch valve 15 of position before gas port, Intelligent control cabinet 10 can control three-way electromagnetic switch valve 15 to be discharged into gas
The pipe switch closing of air one side, so that untreated gas up to standard by pipeline is conveyed and is given to leading portion processing equipment again
It handles again, until the detection numerical value of postposition exhaust gas concentration detection sensor 14 meets the concentration standard value of default, intelligence
Switch board 10 can just control three-way electromagnetic switch valve 15 to open gas and be discharged into the pipe switch of air, the ozone filter screen 13 it
14 detection gas of postposition exhaust gas concentration detection sensor installed afterwards, the single-chip computer control system record this gas component,
The single-chip computer control system control high energy ultraviolet lamp during vent gas treatment of same sample ingredient in Intelligent control cabinet 10 is carried out next time
Group module 7 and ozone supply module 8, the shape of the fluorescent tube of every group of unlatching are arranged according to the upper level of corresponding concentration scale, most
The ultra-clean discharge after VOCs treatment is realized eventually.
As shown in Figure 2,3, wherein, described the 4) high energy ultraviolet lamp group module includes 4 groups, ozone supply module bag in step
Include 3 groups, every group of lamp group includes 4 fluorescent tubes, controls the fluorescent tube open method to be：
When exhaust gas concentration is 0-150mg/m3；In high energy ultraviolet lamp group module, every group is only opened 1 fluorescent tube, and all
The lamp strip position that the fluorescent tube that group is opened is opened differs, and arranges integral into " W " or " M " type；In ozone supply module, only open
1 fluorescent tube among first group and the 3rd group, the lamp strip position of unlatching are staggered；
When exhaust gas concentration is 150-200mg/m3, in high energy ultraviolet lamp group module, 2 fluorescent tubes of every group of unlatching, integral into
“>" and "<" staggered；In ozone supply module, 2 fluorescent tubes in first group and second group, the lamp strip position of unlatching are opened
“>" or "<" type；
When exhaust gas concentration is 200-250mg/m3, in high energy ultraviolet lamp group module, first group and the 3rd group of fluorescent tube it is whole
It opens, second group and the 4th group is opened 2 fluorescent tubes and fluorescent tube is staggered；In ozone supply module, every group is opened 2 lamps
Pipe, integral into ">" and "<" staggered；
When exhaust gas concentration is 250mg/m3More than, all fluorescent tubes of high energy ultraviolet lamp group module are opened；Ozone supply mould
In block, first group of fluorescent tube is all turned on, and second group and the 3rd group of fluorescent tube open 2 fluorescent tubes, second and third group of fluorescent tube arrangement is in
“>" or "<" type.As shown in Figure 1, TiO is equipped between high energy ultraviolet lamp group module 5, the lamp group module of ozone supply module 62
Catalysis net, TiO2Catalysis net 7 participates in catalysis, and organic exhaust gas is broken down into CO2、H2O, sulfur oxide, nitrogen oxide.Humidity
Influence TiO2The catalytic efficiency of catalysis net, TiO2Surface hydrophilic, to water strong adsorption, when water content increases, hydrone and toluene
Molecule is in TiO2Adsorption competes, and hinders absorption of the toluene molecule in catalyst surface active position so that surface reaction rate
Decline, therefore, by the setting for the filter screen that dehumidifies in the present embodiment, filter wet process is carried out to exhaust gas.The photooxidation cracking cabinet enters
The dust-proof filter wet web of changeable type is equipped at mouthful.The air-introduced machine is suction type air-introduced machine.
Embodiments above is merely to illustrate the technical solution being not intended to limit the present invention.Any of spirit of the present invention is not departed from
Modification or local replacement, should be covered by the scope of the claims of the present invention.
Claims (6)
1. a kind of tail gas photooxidation method for cracking treatment based on vaporizing oil-gas purification techniques, it is characterised in that：Including,
1) factory's organic exhaust gas enters the cyclone defroster depositing dust cooler so as to carry out demisting and depositing dust, by preliminary treatment
Exhaust gas can be passed through in oil gas purification electric field equipment；Oil gas purification electric field equipment makes the generations such as larger contaminant molecule, fluid point
Solution, the while-OH generated and-O isoreactivities free radical and O3It is chemically reacted with pernicious gas molecule, by the dirt that molecule is larger
Dye object is degraded to small-molecule substance；
2) organic exhaust gas after rough dusting enters the front end spray column, and front end spray column will be in organic exhaust gas by spray
Dust particle is fixed in spray liquid；
3) organic exhaust gas after dedusting cracks cabinet by air hose into the photooxidation again, and organic exhaust gas enters by photooxidation cracking cabinet
Mouthful dust-proof filter wet web further dedusting filter it is wet, high energy ultraviolet lamp group module is by organic exhaust gas macromolecular chain rupture, ozone supply
Module further aoxidizes the small molecule exhaust gas after chain rupture；
4) in the 3) step processing procedure, the exhaust gas concentration detection sensor mounted on photooxidation cracking cabinet inlet will detect in real time
Signal is simultaneously fed back to single-chip computer control system by exhaust gas concentration, and single-chip computer control system is according to input-signal judging respective concentration model
It encloses and enables the control program of autonomous optimization design fluorescent tube in high energy ultraviolet lamp group module, ozone supply module to be controlled to have rule
The energy-efficient processing to organic exhaust gas is realized in the combination open and close of rule；
5) gas after processing realizes sulphur, nitrogen oxygen under the action of the air-introduced machine into the dry method flue gas integrated treatment tank
The fixation of compound does not disappear in the ozone filter screen that the exhaust outlet of dry method flue gas integrated treatment tank is installed by what is generated in whole system
The ozone reduction of consumption is oxygen, the final ultra-clean discharge realized after VOCs treatment.
6) such as treated, and the minimum exhaust gas concentration discharge standard of default is not achieved in gas concentration, by last exhaust outlet
The three-way electromagnetic switch valve of position before, Intelligent control cabinet can control three-way electromagnetic switch valve that gas is discharged into air one side
Pipe switch is closed, so that untreated gas up to standard by pipeline is conveyed and is given to leading portion processing equipment and handles again again,
Until the detection numerical value of postposition exhaust gas concentration detection sensor meets the concentration standard value of default, Intelligent control cabinet can just be controlled
Three-way electromagnetic switch valve processed opens the pipe switch that gas is discharged into air, and the postposition exhaust gas installed after the ozone filter screen is dense
Detection sensor detection gas are spent, the single-chip computer control system records this gas component, carries out same sample ingredient next time
Single-chip computer control system control high energy ultraviolet lamp group module and ozone supply module during vent gas treatment in Intelligent control cabinet, often
The shape for the fluorescent tube that group is opened is arranged according to the upper level of corresponding concentration scale, ultra-clean after final realization VOCs treatment
Discharge.
2. a kind of tail gas photooxidation method for cracking treatment based on vaporizing oil-gas purification techniques according to claim 1, special
Sign is：Described the 4) fluorescent tube layout that the module of high energy ultraviolet lamp group described in step and ozone supply module fluorescent tube are opened follow
Uniform spatial distribution principle.
3. a kind of tail gas photooxidation method for cracking treatment based on vaporizing oil-gas purification techniques according to claim 2, special
Sign is：The high energy ultraviolet lamp group module includes 3 groups including 4 groups, ozone supply module, and every group of lamp group includes 4 fluorescent tubes,
The fluorescent tube open method is controlled to be：
When exhaust gas concentration is 0-150mg/m3；In high energy ultraviolet lamp group module, every group is only opened 1 fluorescent tube, and all groups of unlatchings
Fluorescent tube open lamp strip position differ, integral into " W " or " M " type arrange；In ozone supply module, first group is only opened
With the 3rd group among 1 fluorescent tube, the lamp strip position of unlatching is staggered；
When exhaust gas concentration is 150-200mg/m3, in high energy ultraviolet lamp group module, 2 fluorescent tubes of every group of unlatching, integral into ">" and
“<" staggered；In ozone supply module, open first group and second group in 2 fluorescent tubes, unlatching lamp strip position ">" or
“<" type；
When exhaust gas concentration is 200-250mg/m3, in high energy ultraviolet lamp group module, first group and the 3rd group of fluorescent tube are all turned on,
Second group and the 4th group is opened 2 fluorescent tubes and fluorescent tube is staggered；In ozone supply module, every group is opened 2 fluorescent tubes, whole
Body into ">" and "<" staggered；
When exhaust gas concentration is 250mg/m3More than, all fluorescent tubes of high energy ultraviolet lamp group module are opened；In ozone supply module,
First group of fluorescent tube is all turned on, and second group and the 3rd group of fluorescent tube open 2 fluorescent tubes, second and third group of fluorescent tube arrangement in ">" or
“<" type.
4. a kind of tail gas photooxidation method for cracking treatment based on vaporizing oil-gas purification techniques according to claim 1 or 2,
It is characterized in that：The photooxidation cracking cabinet inlet is equipped with the dust-proof filter wet web of changeable type.
5. a kind of tail gas photooxidation method for cracking treatment based on vaporizing oil-gas purification techniques according to claim 1 or 2,
It is characterized in that：TiO is evenly distributed between the lamp group module2Catalysis net, TiO2Catalysis net participates in catalysis, organic exhaust gas quilt
It is decomposed into CO2、H2O, sulfur oxide, nitrogen oxide.
6. a kind of tail gas photooxidation method for cracking treatment based on vaporizing oil-gas purification techniques according to claim 1 or 2,
It is characterized in that：The air-introduced machine is suction type air-introduced machine.
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