CN106110858A - The harmless treatment process of a kind of bitumen flue gas and device thereof - Google Patents
The harmless treatment process of a kind of bitumen flue gas and device thereof Download PDFInfo
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- CN106110858A CN106110858A CN201610640511.9A CN201610640511A CN106110858A CN 106110858 A CN106110858 A CN 106110858A CN 201610640511 A CN201610640511 A CN 201610640511A CN 106110858 A CN106110858 A CN 106110858A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—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 condensation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
- B01D53/40—Acidic components
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/05—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste oils
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- 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
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- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/10—Liquid waste
- F23G2209/102—Waste oil
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
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- Treating Waste Gases (AREA)
Abstract
The invention discloses harmless treatment process and the device thereof of a kind of bitumen flue gas.The present invention is by improving the process technique of bitumen flue gas; bitumen flue gas is passed sequentially through the cleaning equipments such as refrigerated separation tower, oil scrubber, electrical tar precipitator, adsorbent bed, air-introduced machine, soap bath bubbling pond; effectively removes the pollutant in bitumen flue gas; bitumen flue gas is made to reach the discharge standard of country's flue gas; and do not result in the secondary pollution of water body; having saved purification cost, the development to environmental conservation and Colophonium industry has positive role.
Description
Technical field
The present invention relates to the purified treatment of flue gas, particularly to harmless treatment process and the dress thereof of a kind of bitumen flue gas
Put.
Background technology
The pitchy complex mixture that Colophonium is made up of Hydrocarbon and the nonmetal derivant thereof of different molecular weight,
It it is the one of high viscosity organic liquid.Generally before using Colophonium, all can be modified Colophonium processing, but raw at asphalt modification
Produce in heating process and can produce substantial amounts of bitumen flue gas, containing gas chromatography in flue gas, including carbocyclic ring hydrocarbon, cyclic hydrocarbon derivant and
Its other compounds, and wherein compound has damaging effect to health of human body mostly.Containing benzopyrene, benzo in bitumen flue gas
The multiple multiring aromatic hydrocarbon substance such as anthracene, carbazole, and it is mostly carcinogenic and strong carcinogen, particle diameter is many between 0.1-1.0 μm,
Little only has 0.01 μm, and especially with 3,4-benzopyrene is the multiple carcinogen of representative.Bitumen flue gas is detrimental to health
Main path is attached on the floating dust of below 8 μm, is inhaled into internal by respiratory tract, therefore, purifies bitumen flue gas
Process so that it is discharge meets atmospheric environmental standards, is very important.The current standard for atmosphere environment quality of China has 3: " ring
Border air quality standard (GB3095-1996) ", " in the air of residential block of regulation in " enterprise design sanitary standard (W36-79) "
The maximum permissible concentration of harmful substance " and " Design of Industrial Enterprises sanitary standard (GB16297-1996) ".Due to bitumen flue gas
Mainly exist with the form of the tar mist grain of 0.1-1.0mm, thus its purification treatment be exactly seizure as much as possible these
Small granule, makes the discharge of flue gas meet relevant criterion, and does not cause secondary pollution.
China all uses burning method, WATER-WASHING METHOD, electricity method of trapping and absorption method tandem process to carry out bitumen flue gas at present mostly
Purified treatment.WATER-WASHING METHOD: be to use spray in flue gas to shine the method for water smoke to increase diameter and the weight of flue gas particle, then
Settle down, oarse-grained dust in removing flue gas；Electricity method of trapping: utilize high voltage electric field exactly, by containing oil droplet, the flue gas of dust
After below receiving electrode, the entrance of shell enters the distribution grid of electric fishing storage depurator bottom, uniform distribution is come, then makes flue gas
By electrode district, making the oil droplet in waste gas and dust be separated under electrostatic interaction, the clean gas after final purification is through top
Outlet leave electric fishing storage, and the oil droplet being separated flows downward along cellular precipitation pole, discharges from bottom；Honeycomb
Active carbon adsorption: be the cellular activated carbon utilizing 2-3mm aperture, is arranged in the cross section of a gas transverse flowing, flue gas stream
Enter the cellular activated carbon of small-bore, the benzopyrene in flue gas is adsorbed.
The existing purification technique to bitumen flue gas is usually and first carries out water bath processing, re-uses electric fishing collection and processes, finally leads to
Cross the flue gas that repeatedly adsorption treatment obtains discharging, although use the bitumen flue gas after this PROCESS FOR TREATMENT to substantially conform to country
Discharge standard, but by the bitumen flue gas of this process technique still contains a small amount of pollutant, purify not thorough, and,
There is also many defects: the water used in WATER-WASHING METHOD is polluted by bitumen flue gas during the purification process technique of bitumen flue gas, as
Fruit directly discharge can cause the pollution of water body, forms secondary pollution, and contaminant water carries out purified treatment, add and be cleaned into
This, and complex process；Electric fishing collection processes the tar obtained and does not carries out harmless treatment；In adsorption treatment, the benzopyrene of absorption does not enters
Row effectively processes.
Summary of the invention
It is an object of the invention to overcome the above-mentioned deficiency in the presence of existing asphalt smoke gas purifying technology, it is provided that a kind of drip
The harmless treatment process of blue or green flue gas and device thereof.Bitumen flue gas, by improving the process technique of bitumen flue gas, is depended on by the present invention
Secondary by cleaning equipments such as refrigerated separation tower, oil scrubber, electrical tar precipitator, adsorbent bed, air-introduced machine, soap bath bubbling ponds, effectively remove
Remove the pollutant in bitumen flue gas, made bitumen flue gas reach the discharge standard of country's flue gas, and do not result in the secondary of water body
Polluting, saved purification cost, the development to environmental conservation and Colophonium industry has positive role.
In order to realize foregoing invention purpose, the invention provides the harmless treatment process of a kind of bitumen flue gas, including, will
Bitumen flue gas uses refrigerated separation, oil wash, tar removing successively, adsorbs, neutralizes reaction treatment.
The harmless treatment process of a kind of bitumen flue gas, utilizes oil wash technique that bitumen flue gas is carried out purified treatment, will not
Produce contaminant water again, then prevent the secondary pollution of bitumen flue gas；Further, by with refrigerated separation, tar removing, absorption, in
With etc. technique cooperation process bitumen flue gas, noxious pollutant content is substantially reduced, and meets the gas discharge standard of national regulation.
The harmless treatment process of above-mentioned a kind of bitumen flue gas, wherein said refrigerated separation technique refers to the drip of gaseous state
Blue or green flue gas is reduced to liquid by evaporation, cooling for reflux, then the gas after cooling and liquid is separated by gas-liquid separation,
Thus reduce the big dust particle in lower workshop section treatment quantity and oil gasification flue gas；Preferably, temperature 5-40 of cooling
DEG C, chilling temperature is the lowest, and separating effect is the best, but energy consumption is the highest；Most preferably, chilling temperature is 15 DEG C.
The harmless treatment process of above-mentioned a kind of bitumen flue gas, wherein said oil wash technique refers to petrochemical industry fuel oil drip
Blue or green flue gas carries out carrying out washing treatment, and in bitumen flue gas, pollutant mostly are Organic substance, are soluble in petrochemical industry fuel oil, and petrochemical industry fuel-viscosity variation
Greatly, the particulate matter in flue gas is also easier to be settled；Further, the petrochemical industry fuel oil after oil wash directly carries out burn processing, through too high
Temperature burning, Organic substance is oxidized to the materials such as nontoxic carbon dioxide, then can be discharged by absorption, neutralization reaction treatment；Cause
And, use petrochemical industry fuel oil that bitumen flue gas carries out oil wash process, not only clean-up effect is more preferable, and will not produce contaminant water, i.e.
Do not worry the secondary pollution of water or increase purification cost.
The harmless treatment process of above-mentioned a kind of bitumen flue gas, the technique of wherein said tar removing refers to bitumen flue gas
In tar separation and collect, the method generally using electric fishing collection tar；Electrically trapped tar oil has raising hot-zone Colophonium and softens
The effect of point, therefore, the tar that can be obtained by electric fishing collection reclaims and uses as hot-zone asphalt softening point blender.
The harmless treatment process of above-mentioned a kind of bitumen flue gas, wherein said absorbing process is the side using physical absorption
Method, carries out adsorption treatment by harmful substance in bitumen flue gas, thus purifies flue gas；Meanwhile, need periodically adsorbent
Carry out calcining recycling, the utilization rate of adsorbing material can be improved.
The harmless treatment process of above-mentioned a kind of bitumen flue gas, wherein said neutralization reaction process refers to use alkalescence molten
Acidic materials in liquid and in bitumen flue gas, more preferable to the clean-up effect of bitumen flue gas；Described alkaline solution includes detergent
One or more in solution, soap solution, sodium bicarbonate solution, calcium bicarbonate solution；The temperature of described alkaline solution is 10-
80 DEG C, temperature is the highest, and response speed is the fastest, and neutralization is the best, and energy consumption is the highest, it is preferred that the temperature of alkaline solution is 45 DEG C；
The concentration of described alkaline solution is 0.05-5mol/L, and alkaline solution concentration is the biggest, neutralizes reaction effect the best, and concentration is excessive, alkali
Property substance crystallization separate out, utilization rate reduce, it is preferred that the concentration of alkaline solution is 2.0 mol/L.
The present invention directly utilizes petrochemical industry fuel oil and bitumen flue gas is carried out harmless treatment, no longer produces contaminant water, prevents drip
The blue or green flue gas secondary pollution to water, and by with refrigerated separation, tar removing, adsorb, the technique such as neutralization coordinates the glance coal processed
Gas, makes bitumen flue gas finally have nontoxic, tasteless, meets the feature of the gas discharge standard of national regulation；And by tar
Recycling and the technique such as periodically calcining recovery of adsorbing material, i.e. saved processing cost, can prevent again at bitumen flue gas
The pollution again of garbage during reason；Reached in bitumen flue gas processing procedure, after process all to environment, to health
Harmless requirement.
Further, in order to realize foregoing invention purpose, the invention provides the harmless treatment dress of a kind of bitumen flue gas
Put, including: bubbling pond bathed by refrigerated separation tower, oil scrubber, electrical tar precipitator, adsorbent bed, air-introduced machine, soap；Each several part is sequentially connected with；
Bitumen flue gas is through the refrigerated separation of refrigerated separation tower, and gas part enters oil scrubber by sealing pipeline, removes in gas
Major part Organic substance and particulate matter, then by gas by electrical tar precipitator, remove the tar in gas, then pass the gas through suction
Attached bed, utilizes physisorption to purify, then with air-introduced machine, gas is passed through soap bath bubbling pond and is neutralized reaction, obtains
Meet the gas of discharging standards, finally by air vent, fume emission is entered in air.
The harmless treatment device of a kind of bitumen flue gas, utilizes oil scrubber to process bitumen flue gas, no longer produces dirt
Dye water, prevents the bitumen flue gas secondary pollution to water, and by with refrigerated separation tower, electrical tar precipitator, adsorbent bed, air-introduced machine,
The common effect in soap bath bubbling pond, has carried out purified treatment to bitumen flue gas, and the bitumen flue gas processed by this device is nontoxic,
Tasteless, meet the relevant criterion of national regulation.
The harmless treatment device of above-mentioned a kind of bitumen flue gas, also includes boiler；It is connected with between described boiler and oil scrubber
Tank for gaseous or liquid substances, described tank for gaseous or liquid substances is for being transported to the barren rock fuel oil after described oil scrubber oil wash in described boiler as combustion
Material uses；Being connected with flue gas leading between described boiler and adsorbent bed, described flue gas leading is for waste gas boiler combustion produced
It is passed through described adsorbent bed.
The harmless treatment device of above-mentioned a kind of bitumen flue gas, wherein said oil scrubber air inlet is arranged in oil scrubber
Portion, oil scrubber has Oil-gas Separation function.
The harmless treatment device of above-mentioned a kind of bitumen flue gas, wherein said air-introduced machine is connected with variable-frequency governor, passes through
Control air-introduced machine rotating speed and regulate air-introduced machine wind speed and apparatus system vacuum magnitude, thus reach optimal air inducing and meet soap bath drum
Bubble effect.
The harmless treatment device of above-mentioned a kind of bitumen flue gas, wherein said soap bath bubbling pond is equipped with the neutralization of alkali liquor
Reaction tank；Gas passes through alkali liquor with the form of bubble, and in the process, the acidic materials in gas and alkali liquor are neutralized reaction
And generate soluble-salt, thus remove the acidic materials in gas, reach the purpose of purifying smoke.
Compared with prior art, beneficial effects of the present invention:
1, present invention process utilizes oil wash technique that bitumen flue gas is carried out purified treatment, will not produce contaminant water again, then prevent
The secondary pollution of bitumen flue gas.
2, present invention process is utilized by focusing oil recovery and the regular of adsorbing material calcines the techniques such as recovery, i.e. saves
Processing cost, can prevent again the pollution again of garbage in bitumen flue gas processing procedure.
3, apparatus of the present invention utilize oil scrubber to process bitumen flue gas, no longer produce contaminant water, prevent bitumen flue gas
Secondary pollution to water.
4, the bitumen flue gas processed by present invention process or device, nontoxic, tasteless, meets the relevant mark of national regulation
Accurate.
Accompanying drawing illustrates:
Fig. 1 is the harmless treatment process flow chart of bitumen flue gas of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and detailed description of the invention, the present invention is described in further detail.But this should not understood
Scope for the above-mentioned theme of the present invention is only limitted to below example, and all technology realized based on present invention belong to this
The scope of invention.
Embodiment:
The harmless treatment device of a kind of bitumen flue gas of the present invention, including refrigerated separation tower, oil scrubber, boiler, electrical tar precipitator,
Adsorbent bed, air-introduced machine, soap bath bubbling pond, chimney.
Heated bitumen flue gas enters refrigerated separation tower, and heated bitumen flue gas cools down, and part bitumen flue gas liquefies, and separated makes Colophonium
Flue gas is divided into gas and liquid two parts；Gas part is entered in oil scrubber by pipeline, the most of Organic substance in gas and
Particulate matter dissolves or is deposited in petrochemical industry fuel oil, and the petrochemical industry fuel oil after using uses in the boiler as fuel, giving up after burning
Gas is passed through adsorbent bed；Gas after oil wash carries out in electrical tar precipitator by pipeline, and the tar in gas is captured, after collection
For being in harmonious proportion Colophonium；The waste gas that the gas obtained and boiler produce is again by adsorbent bed, remaining Organic substance (benzopyrene in gas
Deng) and particulate matter be adsorbed, the adsorbing material in adsorbent bed, through regular high temperature incineration, can be continuing with；Gas after adsorption treatment
Body enters in soap bath bubbling pond under the effect of air-introduced machine, and the acidic materials in gas are sent out with the alkaline matter in soap bath bubbling pond
Raw neutralization is reacted, and obtains gas nonpoisonous and tasteless, the most qualified rear by smoke stack emission to air.
Detection index through the bitumen flue gas that embodiment process technique and device process:
Comparative example:
The harmless treatment device of existing bitumen flue gas, including refrigerated separation tower, water scrubber, electrical tar precipitator, adsorbent bed, cigarette
Chimney.
Heated bitumen flue gas enters refrigerated separation tower, and heated bitumen flue gas cools down, and part bitumen flue gas liquefies, and separated makes Colophonium
Flue gas is divided into gas and liquid two parts；Gas part is entered in water scrubber by pipeline, the small part Organic substance in gas and
Major part particulate matter dissolves or is deposited in water, and the water after using can be made by the Organic Pollution in bitumen flue gas, direct discharge
Become the pollution of water body, and after being purified, discharge can increase processing cost；Gas after washing carries out electric tar by pipeline
In oil device, the tar in gas is captured；The gas obtained is again by adsorbent bed, remaining Organic substance (benzopyrene etc.) in gas
It is adsorbed with particulate matter；Gas after adsorption treatment is the most qualified rear by smoke stack emission to air.
Detection index through the bitumen flue gas that comparative example process technique and device process:
From above example and comparative example, embodiment uses present invention process and equipment to carry out the bitumen flue gas processed, and does not has
There is the generation of contaminant water, secondary pollution, and the good purification to bitumen flue gas will not occur, meet the discharge mark of country's flue gas
Accurate；And comparative example uses the process technique of existing bitumen flue gas, although the same good purification to bitumen flue gas, meet country
The discharge standard of flue gas, but a large amount of contaminant water can be produced, water body may be polluted, and then form the secondary of bitumen flue gas
Pollute, and poor to the clean-up effect of acidic materials.
Claims (10)
1. the harmless treatment process of a bitumen flue gas, it is characterised in that bitumen flue gas is used successively refrigerated separation, oil
Wash, tar removing, adsorb, neutralize reaction and process；Described oil wash uses petrochemical industry washing fuel bitumen flue gas；Described neutralization
Reaction use alkaline solution be neutralized.
Process technique the most according to claim 1, it is characterised in that the temperature of refrigerated separation is 5-40 DEG C.
Process technique the most according to claim 1, it is characterised in that the petrochemical industry fuel oil after also including oil wash burns
Process.
Process technique the most according to claim 1, it is characterised in that the temperature of alkaline solution is 10-80 DEG C, concentration is
0.05-5mol/L。
Process technique the most according to claim 1, it is characterised in that the temperature of alkaline solution is 45 DEG C, concentration is
2.0mol/L。
6. the harmless treatment device of a bitumen flue gas, it is characterised in that including: refrigerated separation tower, oil scrubber, electrically trapped tar oil
Device, adsorbent bed, air-introduced machine, soap bath bubbling pond, chimney；Described refrigerated separation tower, oil scrubber, electrical tar precipitator, adsorbent bed, draw
The bath of blower fan, soap is sequentially connected with between bubbling pond, chimney.
Processing means the most according to claim 6, it is characterised in that also include boiler；Between described boiler and oil scrubber
Being connected with tank for gaseous or liquid substances, described tank for gaseous or liquid substances for being transported in described boiler work by the barren rock fuel oil after described oil scrubber oil wash
Use for fuel；Being connected with flue gas leading between described boiler and adsorbent bed, described flue gas leading is for by boiler combustion generation
Waste gas is passed through described adsorbent bed.
Processing means the most according to claim 6, it is characterised in that the air inlet of described oil scrubber is arranged in oil scrubber
Portion.
Processing means the most according to claim 6, it is characterised in that described oil scrubber has Oil-gas Separation function.
Processing means the most according to claim 6, it is characterised in that described air-introduced machine is connected with variable-frequency governor, described
Variable-frequency governor is for regulating wind speed and the apparatus system vacuum magnitude of air-introduced machine.
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Cited By (6)
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| CN106813259A (en) * | 2017-03-22 | 2017-06-09 | 福建省环境工程有限公司 | A kind of device and method for tar processing |
| CN111203064A (en) * | 2020-03-12 | 2020-05-29 | 科创扬州环境工程科技股份有限公司 | Industrial asphalt VOC exhaust gas purification system |
| CN111957166A (en) * | 2020-09-14 | 2020-11-20 | 镇海石化工程股份有限公司 | High condensation point waste gas recovery device and recovery method |
| CN113440968A (en) * | 2021-06-03 | 2021-09-28 | 浙江联程公路工程养护有限公司 | Asphalt concrete flue gas harmless purification device and purification method thereof |
| US20220176302A1 (en) * | 2019-05-07 | 2022-06-09 | Valli Zabban S.P.A | System for eliminating bad-smelling emissions from industrial processes |
| CN115090074A (en) * | 2022-07-01 | 2022-09-23 | 山东联成化学工业有限公司 | Asphalt flue gas treatment system |
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Application publication date: 20161116 |