CN106110809A - A kind of remove the processing system of benzene homologues in petrochemical industry waste gas - Google Patents
A kind of remove the processing system of benzene homologues in petrochemical industry waste gas Download PDFInfo
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- CN106110809A CN106110809A CN201610555324.0A CN201610555324A CN106110809A CN 106110809 A CN106110809 A CN 106110809A CN 201610555324 A CN201610555324 A CN 201610555324A CN 106110809 A CN106110809 A CN 106110809A
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- benzene homologues
- ozone
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- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 title claims abstract description 188
- 239000002912 waste gas Substances 0.000 title claims abstract description 49
- 238000012545 processing Methods 0.000 title claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 154
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 37
- 230000003647 oxidation Effects 0.000 claims abstract description 30
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 24
- 239000010937 tungsten Substances 0.000 claims abstract description 24
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000005406 washing Methods 0.000 claims abstract description 14
- 125000004430 oxygen atom Chemical group O* 0.000 claims abstract description 12
- 230000021615 conjugation Effects 0.000 claims abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 10
- 239000003517 fume Substances 0.000 claims abstract description 10
- 239000012716 precipitator Substances 0.000 claims abstract description 10
- 230000004913 activation Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 40
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 35
- 230000008569 process Effects 0.000 claims description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000000740 bleeding effect Effects 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
- 239000003546 flue gas Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 230000006378 damage Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- -1 Benzene ring compound Chemical class 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 235000019198 oils Nutrition 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000004227 thermal cracking Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 235000021323 fish oil Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 230000015843 photosynthesis, light reaction Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010057 rubber processing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 230000002110 toxicologic effect Effects 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- 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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—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
- B01D53/1493—Selection of liquid materials for use as absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
-
- 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
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/104—Ozone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/10—Inorganic absorbents
- B01D2252/103—Water
-
- 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
- B01D2257/702—Hydrocarbons
- B01D2257/7027—Aromatic hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Chemical & Material Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Dispersion Chemistry (AREA)
- Treating Waste Gases (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
The invention discloses and a kind of remove the processing system of benzene homologues in petrochemical industry waste gas, this system includes residual-heat exchanger, gas superheat protection device, thermal type gas quality flow meter, mixed gas flow regulation valve, fiber bag precipitator, tungsten wire circle surface active ozone Oxidation Treatment device, gas fume washing purifying column, air-introduced machine etc..What native system was creative make use of ozone in surface active characteristic specific to some metal simple-substance surface, under tungsten wire coil is in the state that energising is red-hot, ozone can discharge rapidly activation oxygen atom on its surface, a kind of Strong oxdiative environment can be produced in tungsten metal surface, when the molecule containing conjugation C C key such as such as benzene homologues is under this kind of Strong oxdiative environment, its conjugation C C key can be activated oxygen atom and break, and benzene homologues molecule is the most oxidized is decomposed into H2O and CO2Deng inorganic molecule, thus reach the purpose of benzene homologues in removing exhaust gas.
Description
Technical field
The present invention relates to a kind of remove the processing system of benzene homologues in petrochemical industry waste gas, belong to the waste gas in environmental conservation
Process field.
Background technology
Benzene homologues is the general name of benzene and its derivative.Sensu lato benzene homologues includes whole aromatic compound, in the narrow sense
Benzene homologues refer in particular in human being's production living environment, have certain distribution containing that human body is worked the mischief including BTEX
Benzene ring compound.
The refinement of benzene homologues is obtained by the mankind can trace back to for 19th century the earliest.1825, British scientist faraday
(Faraday) with method benzene of isolated higher degree from the thermal cracking product of the similar substances such as fish oil of distillation, it is claimed
For " the heavy carbon compound of hydrogen ", and determine its basic physical property and chemical composition.The most in succession it is found that toluene, diformazan
The materials such as benzene, and Uniform Name is benzene homologues.The commercial production of benzene homologues starts from 1865, is initially to reclaim from coal tar.With
The expansion of its purposes, yield constantly rises, and has become as one of the world ten large tonnage product to nineteen thirty.Along with benzene homologues
Widespread production and application, polluting property and the toxicologic study of air gradually attract attention by it, 70 years last century
In generation, front and back monitoring and research that benzene in air system thing pollutes were increasingly becoming focus.
Benzene homologues has serious negative effect to region particularly city atmospheric environment.Due to most benzene homologues (as benzene,
Toluene etc.) there is stronger volatility, under normal temperature condition, it is easy to evaporate into formation volatile organic gas in the middle of gas
(VOCs), VOCs gaseous contamination can be caused.Such as BTEX, as industrial commonly used organic solvent, is widely used in oil
Paint, defat, dry-clean, print, weave, the industry such as synthetic rubber.All can be owing to waving during production, accumulating and the use of BTEX
Send out and cause atmospheric pollution.BTEX photochemical reaction activity in an atmosphere is higher, to photooxidant in air (such as ozone and peroxide
Acetyl group nitrate etc.) and secondary organic aerosol be formed with quite effect.
Mainly there are stationary source and moving source two kinds in the source that benzene homologues pollutes.Moving source mainly has automobile, steamer and aircraft
Discharge gas on the vehicles with oil product as fuel；The kind of stationary source is the most, predominantly petrochemical process process
With the ejection of storage facilities etc. and the occasion of various use organic solvent, as sprayed paint, printing, metal degreasing and defat, bonding
Agent, pharmacy, plastics, coating and rubber processing etc..
According to the technological process of production and the difference of the discharging modes of waste gas, benzene homologues has different control technology.At present
Widely used and study more having: absorption method, heat damage method, condensation method, absorption process etc., the new control developed in recent years
Technology processed includes: biomembrance process, photolysis method, plasma decomposition, ozone decomposed method etc..
(1) absorption method:
Process fluid mixture with porous solid so that it is in one or more contained components be enriched in the surface of solids, and with
The process of other Component seperation is referred to as absorption.Absorption method is mainly used in the purification of low concentration high flux benzene homologues.
(2) heat damage method:
Heat damage method is that current Application comparison is extensive, studies more benzene homologues administering method, is particularly well-suited to containing low concentration
The waste gas of benzene homologues.The method can be divided into direct flame combustion and catalysis burning, and its process is complicated and potentially includes a series of
Decompose, be polymerized and radical reaction.And most important benzene homologues heat damage method mechanism includes oxidation, thermal cracking and thermal decomposition, heat
Destruction method is based on what this mechanism was carried out.
(3) condensation method:
Condensation method is to utilize material to have this character of different saturated vapor pressure at different temperatures, use reduce system temperature or
Improve system pressure, make the process being in the benzene homologues condensation of steam condition and separating from waste gas.
(4) absorption process:
Absorption process mainly utilizes the feature that benzene homologues can dissolve each other with major part oily substance, by high boiling point, the oils of low-steam pressure
Absorb the benzene homologues in waste gas as absorbent, common absorber is padding washing absorption tower.
(5) biomembrance process:
Microorganism incubation is attached to porous medium filling surface by so-called biomembrance process exactly, and makes dusty gas at packed bed
Carry out a biological disposal upon in Ceng, by contaminant removal therein, and degraded can be allowed in space.Volatile organic contaminant is inhaled
It is attached to apparent gap, is consumed by the Institute of Micro-biology in space, and be degraded into CO2、H2O and neutral salt.
At present, the waste gas benzene series substance treating method that China is commonly used, generally have that initial investment is big, operation and maintenance cost
The shortcomings such as height, technical sophistication, and its treatment effect is also difficult to meet the emission request of increasingly stringent.For this reason, it may be necessary to find new
Method and approach solve this difficult problem.
Summary of the invention
In order to solve many deficiencies of the prior art, the invention provides benzene homologues in a kind of removal petrochemical industry waste gas
Processing system, this system includes residual-heat exchanger, gas superheat protection device, thermal type gas quality flow meter, mixed gas
Flow control valve, fiber bag precipitator, tungsten wire circle surface active-ozone Oxidation Treatment device, gas fume washing purifying column, air-introduced machine
Deng；Wherein, the petrochemical industry waste gas containing benzene homologues enters residual-heat exchanger by gas piping, at this through heat exchange action
Making overheated waste gas be lowered the temperature and stablize, and the after-heat obtained is available for utilizing, the outlet of residual-heat exchanger is by gas
Body pipeline connects gas superheat protection device, and its effect is when residual-heat exchanger fault or the EGT after heat exchange remain unchanged
Time too high, can temporarily disconnected gas circuit, play protection back-end processing device effect, the outlet of gas superheat protection device is by gas
Body pipeline connects thermal type gas quality flow meter, the information such as exhaust gas flow, flow velocity can be carried out real-time monitoring record, heating type gas
The outlet of mass flowmenter connects mixed gas flow regulation valve by gas piping, adjusts waste gas by the method importing air
The actual concentrations of middle benzene homologues, and waste gas is diluted accurately cooling, the outlet of mixed gas flow regulation valve is by gas
Body pipeline connects fiber bag precipitator, removes the particulate pollutant in waste gas at this, prevents abrasion or blocks back-end processing device,
The outlet of fiber bag precipitator connects tungsten wire circle surface active-ozone Oxidation Treatment device, tungsten coil surface by gas piping
The outlet of activation-ozone Oxidation Treatment device connects gas fume washing purifying column by gas piping, at this to the waste gas after processing
Carrying out further water washing cleaning and cooling, the outlet of gas fume washing purifying column connects air-introduced machine, air-introduced machine by gas piping
Outlet connect atmospheric environment by gas piping；Wherein, tungsten wire circle surface active-ozone Oxidation Treatment device is by gas pre-mixed
District and oxidation reaction zone two parts composition, bottom of device is provided with air intake valve, and air intake valve rear end is connected to surpass by gas piping
Fie screen, ultra-fine filter screen rear end is connected to gas pre-mixed cross valve by gas piping, and meanwhile, ozonator and nitrogen storage tank are also
Being connected to gas pre-mixed cross valve by gas piping respectively, the gas pre-mixed cross valve port of export is connected to gaseous mixture by gas piping
Body shower nozzle, mixed gas shower nozzle is arranged above 1 set tungsten coil, and tungsten coil is by 1 voltage stabilizing being positioned at outside device
Power supply is powered, and device top is provided with drain tap；Petrochemical industry waste gas containing benzene homologues by tungsten wire circle surface active-
The air intake valve of ozone Oxidation Treatment bottom of device enters inside processing means, and the fine filtering through ultra-fine filter screen is thoroughly removed
After granule foreign, enter gas pre-mixed cross valve, meanwhile, ozonator the ozone gas that generates and being supplied by nitrogen storage tank
The nitrogen given also into gas pre-mixed cross valve, pending waste gas, ozone and nitrogen in gas pre-mixed cross valve according in advance
Volume ratio (waste gas, the O set3、N2Ratio be respectively 28.7%, 31.1% and 40.2%) be sufficiently mixed, after mix homogeneously
Gas uniformly sprayed to tungsten coil by mixed gas shower nozzle, tungsten coil enters under the power supply of regulated power supply
Be energized red-hot state, and now, the ozone in mixed gas discharges rapidly activation oxygen atom at tungsten coil surface, and in office
Portion produces a kind of Strong oxdiative environment, when the benzene homologues molecule containing conjugation C-C key in waste gas is in this kind of Strong oxdiative environment
Time lower, its conjugation C-C key can be activated oxygen atom and break, and benzene homologues molecule is the most oxidized is decomposed into H2O and CO2Etc. inorganic point
Son, thus reach the purpose of benzene homologues in removing exhaust gas, the waste gas after purified treatment is by the air bleeding valve door row at device top
Go out, and enter next treatment process.Wherein, owing to benzene homologues is combustible, and ozone can be formed after release oxygen atom and help
Combustion agent oxygen, has, after the two mixing, the danger that blast occurs, and is mixed into nitrogen the most in advance as shielding gas, energy in waste gas
Enough play explosion-proof.
Wherein, the working pressure range of tungsten wire circle surface active-ozone Oxidation Treatment device is 0.055 ~ 0.75MPa, work
Being 250 ~ 700 DEG C as temperature range, dischargeable capacity is 230m3。
Wherein, tungsten wire circle surface active-ozone Oxidation Treatment device, tungsten coil surface temperature operationally is about
2600 DEG C, running voltage is 380V, and its W content is more than 99.95%.
Wherein, tungsten wire circle surface active-ozone Oxidation Treatment device, its gas pre-mixed cross valve employing three is entered one and is gone out knot
Structure, maximum pressure-bearing is 1.05MPa, and operating temperature range is 105 ~ 850 DEG C.
Waste gas after being processed by native system, the removal efficiency of its benzene homologues is up to 99.6%.
It is an advantage of the current invention that:
(1) governance model of benzene homologues during native system has broken away from existing petrochemical industry waste gas, the creative ozone that make use of exists
Surface active characteristic specific to some metal simple-substance surface, under tungsten wire coil is in the state that energising is red-hot, ozone exists
Its surface can discharge rapidly activation oxygen atom, can produce a kind of Strong oxdiative environment in tungsten metal surface, when such as benzene homologues etc.
When molecule containing conjugation C-C key is under this kind of Strong oxdiative environment, its conjugation C-C key can be activated oxygen atom and break,
And the most oxidized it is decomposed into H2O and CO2Deng inorganic molecule.The method has preferable oxidation Decomposition effect to benzene homologues, is a kind of
Processing method the most targetedly, its treatment effeciency can reach 98.9%.
(2) native system does not use any chemical agent in running, on the one hand greatly reduces and purchases process material
Produced cost, has the most also stopped to introduce the risk of the bigger pollutant of harm.
(3) native system applies multiple gases pre-mixed technology, it is possible to realize the most uniformly mixing of reaction mass, significantly
The reaction efficiency improved.
(4) it is combustible due to benzene homologues, and ozone can form combustion adjuvant oxygen after release oxygen atom, the two
The danger that blast occurs is had after mixing.To this end, native system has used nitrogen as shroud gas especially, can effectively get rid of blast wind
Danger.
(5) native system technology path is advanced, and occupation area of equipment is less, and treatment effect is good, operation expense
The lowest, be conducive to popularization and application on a large scale.
Accompanying drawing explanation
Fig. 1 is the equipment schematic diagram of the present invention.
In figure: 1-residual-heat exchanger, 2-gas superheat protection device, 3-thermal type gas quality flow meter, 4-mixed gas
Flow control valve, 5-fiber bag precipitator, 6-tungsten wire circle surface active-ozone Oxidation Treatment device, 7-gas fume washing purifying column,
8-air-introduced machine
Fig. 2 is the schematic diagram of tungsten wire circle surface active-ozone Oxidation Treatment device.
The ultra-fine filter screen of 61-air intake valve, 62-, the gas pre-mixed cross valve of 63-, 64-ozonator, 65-nitrogen storage tank,
66-mixed gas shower nozzle, 67-tungsten coil, 68-regulated power supply, 69-drain tap.
Detailed description of the invention
As it is shown in figure 1, remove the processing system of benzene homologues in petrochemical industry waste gas, this system includes residual-heat exchanger 1, gas
Body overtemperature protection system 2, thermal type gas quality flow meter 3, mixed gas flow regulation valve 4, fiber bag precipitator 5, tungsten wire circle
Surface active-ozone Oxidation Treatment device 6, gas fume washing purifying column 7, air-introduced machine 8 etc.；Wherein, the petrochemical industry work containing benzene homologues
Industry waste gas enters residual-heat exchanger 1 by gas piping, makes overheated waste gas obtain cooling with steady at this through heat exchange action
Determining, and the after-heat obtained is available for utilizing, the outlet of residual-heat exchanger 1 connects gas superheat protection dress by gas piping
Putting 2, its effect is when residual-heat exchanger 1 fault or the EGT after heat exchange remain unchanged too high, can temporarily disconnected gas circuit,
Playing the effect of protection back-end processing device, the outlet of gas superheat protection device 2 connects heating type gas matter by gas piping
Amount effusion meter 3, can carry out real-time monitoring record to the information such as exhaust gas flow, flow velocity, and the outlet of thermal type gas quality flow meter 3 is led to
Cross gas piping and connect mixed gas flow regulation valve 4, adjust the reality of benzene homologues in waste gas by the method importing air dense
Degree, and waste gas is diluted accurately cooling, the outlet of mixed gas flow regulation valve 4 connects cloth-bag type by gas piping
Cleaner unit 5, removes the particulate pollutant in waste gas at this, prevents abrasion or blocks back-end processing device, fiber bag precipitator 5
Export and connect tungsten wire circle surface active-ozone Oxidation Treatment device 6, tungsten wire circle surface active-ozone oxidation by gas piping
The outlet of processing means 6 connects gas fume washing purifying column 7 by gas piping, carries out the waste gas after processing further at this
Water washing cleaning and cooling, the outlet of gas fume washing purifying column 7 connects air-introduced machine 8 by gas piping, and the outlet of air-introduced machine 8 is passed through
Gas piping connection atmospheric environment；Wherein, tungsten wire circle surface active-ozone Oxidation Treatment device 6 is by gas pre-mixed district and oxidation
Reaction zone two parts composition, bottom of device is provided with air intake valve 61, and air intake valve 61 rear end is connected to ultra-fine filter by gas piping
Net 62, ultra-fine filter screen 62 rear end is connected to gas pre-mixed cross valve 63, meanwhile, ozonator 64 and nitrogen storage by gas piping
Tank 65 is connected to gas pre-mixed cross valve 63 by gas piping the most respectively, and gas pre-mixed cross valve 63 port of export is by gas piping even
Being connected to mixed gas shower nozzle 66, mixed gas shower nozzle 66 is arranged above 1 set tungsten coil 67, and tungsten coil 67 is by being positioned at
1 regulated power supply 68 outside device is powered, and device top is provided with drain tap 69；Petrochemical industry containing benzene homologues is given up
Gas enters inside processing means by the air intake valve 61 bottom tungsten wire circle surface active-ozone Oxidation Treatment device 6, Jing Guochao
After the fine filtering of fie screen 62 thoroughly removes granule foreign, enter gas pre-mixed cross valve 63, meanwhile, by ozonator 64
The ozone gas that generates and the nitrogen that supplied by nitrogen storage tank 65 are also into gas pre-mixed cross valve 63, pending waste gas, smelly
Oxygen and nitrogen in gas pre-mixed cross valve 63 according to volume ratio (waste gas, the O being previously set3、N2Ratio be respectively
28.7%, 31.1% and 40.2%) being sufficiently mixed, the gas after mix homogeneously is uniformly sprayed to metal by mixed gas shower nozzle 66
At tungsten wire circle 67, tungsten coil 67 enters the red-hot state of energising under the power supply of regulated power supply 68, now, in mixed gas
Ozone discharges rapidly activation oxygen atom on tungsten coil 67 surface, and produces a kind of Strong oxdiative environment in local, works as waste gas
In when being under this kind of Strong oxdiative environment containing the benzene homologues molecule of conjugation C-C key, it is former that its conjugation C-C key can be activated oxygen
Son is broken, and benzene homologues molecule is the most oxidized is decomposed into H2O and CO2Deng inorganic molecule, thus reach benzene homologues in removing exhaust gas
Purpose, the waste gas after purified treatment is discharged by the drain tap 69 at device top, and is entered next treatment process.Wherein,
Owing to benzene homologues is combustible, and ozone can form combustion adjuvant oxygen after release oxygen atom, has and send out after the two mixing
The danger of raw blast, is mixed into nitrogen the most in advance as shielding gas, it is possible to play explosion-proof in waste gas；Wherein, tungsten wire circle
The working pressure range of surface active-ozone Oxidation Treatment device 6 is 0.055 ~ 0.75MPa, and operating temperature range is 250 ~ 700
DEG C, dischargeable capacity is 230m3；Wherein, tungsten wire circle surface active-ozone Oxidation Treatment device 6, its tungsten coil 67 is in work
Time surface temperature be about 2600 DEG C, running voltage is 380V, its W content be more than 99.95%；Wherein, tungsten wire circle surface active-
Ozone Oxidation Treatment device 6, its gas pre-mixed cross valve 63 uses three to enter one to go out structure, and maximum pressure-bearing is 1.05MPa, work temperature
Degree scope is 105 ~ 850 DEG C.
Waste gas after being processed by native system, the removal efficiency of its benzene homologues is up to 99.6%.
Claims (6)
1. remove the processing system of benzene homologues in petrochemical industry waste gas for one kind, it is characterised in that this system include residual-heat exchanger,
Gas superheat protection device, thermal type gas quality flow meter, mixed gas flow regulation valve, fiber bag precipitator, tungsten wire circle table
Face activation-ozone Oxidation Treatment device, gas fume washing purifying column, air-introduced machine etc.；Wherein, the petrochemical industry waste gas containing benzene homologues
Entering residual-heat exchanger by gas piping, the outlet of residual-heat exchanger connects gas superheat protection device by gas piping,
The outlet of gas superheat protection device connects thermal type gas quality flow meter by gas piping, thermal type gas quality flow meter
Exporting and connect mixed gas flow regulation valve by gas piping, the outlet of mixed gas flow regulation valve is by gas piping even
Connecing fiber bag precipitator, the outlet of fiber bag precipitator connects tungsten wire circle surface active-ozone Oxidation Treatment by gas piping
Device, the outlet of tungsten wire circle surface active-ozone Oxidation Treatment device connects gas fume washing purifying column, flue gas by gas piping
The outlet of water washing cleaning tower connects air-introduced machine by gas piping, and the outlet of air-introduced machine connects atmospheric environment by gas piping；
Wherein, tungsten wire circle surface active-ozone Oxidation Treatment device is made up of, at the bottom of device gas pre-mixed district and oxidation reaction zone two parts
Portion is provided with air intake valve, and air intake valve rear end is connected to ultra-fine filter screen by gas piping, and ultra-fine filter screen rear end is by gas piping even
Being connected to gas pre-mixed cross valve, meanwhile, ozonator and nitrogen storage tank are connected to gas pre-mixed four by gas piping the most respectively
Logical valve, the gas pre-mixed cross valve port of export is connected to mixed gas shower nozzle by gas piping, and mixed gas shower nozzle is arranged above 1
Overlapping tungsten coil, tungsten coil is powered by 1 regulated power supply being positioned at outside device, and device top is provided with air bleeding valve
Door.
2. remove the processing system of benzene homologues in petrochemical industry waste gas for one kind, it is characterised in that this device by gas pre-mixed district and
Oxidation reaction zone two parts composition, including air intake valve, ultra-fine filter screen, gas pre-mixed cross valve, ozonator, nitrogen storage
Tank, mixed gas shower nozzle, tungsten coil, regulated power supply, drain tap etc.；Tungsten wire circle surface active-ozone Oxidation Treatment dress
Bottom set portion is provided with air intake valve, and air intake valve rear end is connected to ultra-fine filter screen by gas piping, and ultra-fine filter screen rear end is by gas tube
Road is connected to gas pre-mixed cross valve, and ozonator 64 and nitrogen storage tank 65 are connected to gas by gas piping the most respectively simultaneously
Premix cross valve, the mixed gas shower nozzle that the gas pre-mixed cross valve port of export is connected in oxidation reaction zone by gas piping,
Oxidation reaction zone internal mix gas tip is arranged above 1 set tungsten coil, and tungsten coil is by being positioned at oxidation reaction zone
1 outside regulated power supply 68 is powered, and device top is provided with drain tap.
The processing system of benzene homologues in removal petrochemical industry waste gas the most according to claim 1, it is characterised in that containing benzene
It it is the petrochemical industry waste gas air intake valve entrance process dress by tungsten wire circle surface active-ozone Oxidation Treatment bottom of device of thing
Put inside, after the fine filtering of ultra-fine filter screen thoroughly removes granule foreign, enter gas pre-mixed cross valve, simultaneously by ozone
Ozone gas that generator generates and the nitrogen that supplied by nitrogen storage tank also into gas pre-mixed cross valve, pending waste gas,
Ozone and nitrogen are sufficiently mixed according to the volume ratio being previously set in gas pre-mixed cross valve, the gas after mix homogeneously
Uniformly being sprayed to tungsten coil by mixed gas shower nozzle, it is vehement that tungsten coil enters energising under the power supply of regulated power supply
Warm status, now the ozone in mixed gas discharges rapidly activation oxygen atom at tungsten coil surface, and produces in local
A kind of Strong oxdiative environment, when the benzene homologues molecule containing conjugation C-C key in waste gas is under this kind of Strong oxdiative environment, its
Conjugation C-C key can be activated oxygen atom and break, and benzene homologues molecule is the most oxidized is decomposed into H2O and CO2Deng inorganic molecule, thus
Reaching the purpose of benzene homologues in removing exhaust gas, the waste gas after purified treatment is discharged by the drain tap at device top, goes forward side by side
Enter next treatment process.
The processing system of benzene homologues in removal petrochemical industry waste gas the most according to claim 1, it is characterised in that tungsten wire circle
The working pressure range of surface active-ozone Oxidation Treatment device is 0.055 ~ 0.75MPa, and operating temperature range is 250 ~ 700
DEG C, dischargeable capacity is 230m3。
The processing system of benzene homologues in removal petrochemical industry waste gas the most according to claim 1, it is characterised in that tungsten wire circle
The tungsten coil of surface active-ozone Oxidation Treatment device surface temperature operationally is about 2600 DEG C, and running voltage is
380V, its W content is more than 99.95%.
The processing system of benzene homologues in removal petrochemical industry waste gas the most according to claim 1, it is characterised in that tungsten wire circle
The gas pre-mixed cross valve employing three of surface active-ozone Oxidation Treatment device is entered one and is gone out structure, and maximum pressure-bearing is 1.05MPa,
Operating temperature range is 105 ~ 850 DEG C.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710929277.6A CN107511043B (en) | 2016-07-15 | 2016-07-15 | A kind of processing system removing benzene homologues in petrochemical industry exhaust gas |
| CN201710929668.8A CN107511044B (en) | 2016-07-15 | 2016-07-15 | Processing system for removing benzene series in petrochemical industrial waste gas |
| CN201710929308.8A CN107441905B (en) | 2016-07-15 | 2016-07-15 | Processing system for removing benzene series in petrochemical industrial waste gas |
| CN201710929300.1A CN107441904B (en) | 2016-07-15 | 2016-07-15 | Processing system for removing benzene series in petrochemical industrial waste gas |
| CN201710930126.2A CN107469601B (en) | 2016-07-15 | 2016-07-15 | A kind of processing system removing benzene homologues in petrochemical industry exhaust gas |
| CN201610555324.0A CN106110809B (en) | 2016-07-15 | 2016-07-15 | A kind of processing system for removing benzene homologues in petrochemical industry waste gas |
| CN201710929310.5A CN107441911B (en) | 2016-07-15 | 2016-07-15 | Processing system for removing benzene series in petrochemical waste gas |
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| CN201610555324.0A CN106110809B (en) | 2016-07-15 | 2016-07-15 | A kind of processing system for removing benzene homologues in petrochemical industry waste gas |
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| CN201710929668.8A Division CN107511044B (en) | 2016-07-15 | 2016-07-15 | Processing system for removing benzene series in petrochemical industrial waste gas |
| CN201710930126.2A Division CN107469601B (en) | 2016-07-15 | 2016-07-15 | A kind of processing system removing benzene homologues in petrochemical industry exhaust gas |
| CN201710929300.1A Division CN107441904B (en) | 2016-07-15 | 2016-07-15 | Processing system for removing benzene series in petrochemical industrial waste gas |
| CN201710929310.5A Division CN107441911B (en) | 2016-07-15 | 2016-07-15 | Processing system for removing benzene series in petrochemical waste gas |
| CN201710929308.8A Division CN107441905B (en) | 2016-07-15 | 2016-07-15 | Processing system for removing benzene series in petrochemical industrial waste gas |
| CN201710929277.6A Division CN107511043B (en) | 2016-07-15 | 2016-07-15 | A kind of processing system removing benzene homologues in petrochemical industry exhaust gas |
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| CN201710929310.5A Active CN107441911B (en) | 2016-07-15 | 2016-07-15 | Processing system for removing benzene series in petrochemical waste gas |
| CN201710929308.8A Active CN107441905B (en) | 2016-07-15 | 2016-07-15 | Processing system for removing benzene series in petrochemical industrial waste gas |
| CN201610555324.0A Active CN106110809B (en) | 2016-07-15 | 2016-07-15 | A kind of processing system for removing benzene homologues in petrochemical industry waste gas |
| CN201710929668.8A Active CN107511044B (en) | 2016-07-15 | 2016-07-15 | Processing system for removing benzene series in petrochemical industrial waste gas |
| CN201710930126.2A Active CN107469601B (en) | 2016-07-15 | 2016-07-15 | A kind of processing system removing benzene homologues in petrochemical industry exhaust gas |
| CN201710929277.6A Active CN107511043B (en) | 2016-07-15 | 2016-07-15 | A kind of processing system removing benzene homologues in petrochemical industry exhaust gas |
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| CN201710929310.5A Active CN107441911B (en) | 2016-07-15 | 2016-07-15 | Processing system for removing benzene series in petrochemical waste gas |
| CN201710929308.8A Active CN107441905B (en) | 2016-07-15 | 2016-07-15 | Processing system for removing benzene series in petrochemical industrial waste gas |
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| CN201710929277.6A Active CN107511043B (en) | 2016-07-15 | 2016-07-15 | A kind of processing system removing benzene homologues in petrochemical industry exhaust gas |
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Cited By (5)
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| CN106621743A (en) * | 2017-01-20 | 2017-05-10 | 杭州启澄科技有限公司 | Treatment method for purifying industrial waste gas |
| CN106621802A (en) * | 2017-01-20 | 2017-05-10 | 杭州启澄科技有限公司 | Treatment system for purifying industrial waste gas |
| CN106621774A (en) * | 2017-01-20 | 2017-05-10 | 杭州启澄科技有限公司 | Treatment method for purifying industrial waste gas |
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| CN106178879B (en) * | 2016-07-15 | 2018-11-06 | 缪琼华 | A kind of tungsten wire circle surface active-ozone Oxidation Treatment device removing benzene homologues in removing exhaust gas |
| CN107441904B (en) * | 2016-07-15 | 2020-10-23 | 南京宇清环境科技有限公司 | Processing system for removing benzene series in petrochemical industrial waste gas |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107441905A (en) | 2017-12-08 |
| CN107511044A (en) | 2017-12-26 |
| CN107511043A (en) | 2017-12-26 |
| CN107441904B (en) | 2020-10-23 |
| CN107469601B (en) | 2018-08-07 |
| CN107441911A (en) | 2017-12-08 |
| CN107511044B (en) | 2020-06-16 |
| CN107469601A (en) | 2017-12-15 |
| CN107441905B (en) | 2020-06-16 |
| CN107441904A (en) | 2017-12-08 |
| CN107441911B (en) | 2020-06-12 |
| CN106110809B (en) | 2018-01-23 |
| CN107511043B (en) | 2018-09-28 |
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