CN106693618A - Harmless treatment system for exhaust and waste gas produced in deep processing of coal tar - Google Patents
Harmless treatment system for exhaust and waste gas produced in deep processing of coal tar Download PDFInfo
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- CN106693618A CN106693618A CN201611136812.4A CN201611136812A CN106693618A CN 106693618 A CN106693618 A CN 106693618A CN 201611136812 A CN201611136812 A CN 201611136812A CN 106693618 A CN106693618 A CN 106693618A
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- tail gas
- tank
- oil
- differential pressure
- water
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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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C1/00—Working-up tar
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C1/00—Working-up tar
- C10C1/02—Removal of water
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a harmless treatment system for exhausts and waste gases produced in deep processing of coal tar. The system comprises a carbon black oil tank area, a storing raw product oil area and a tar refining device area. The carbon black oil tank area, the storing raw product oil area and the tar refining device area are respectively provided with a dewatering tank, an oil leakage sump, an oil tank, a sugar honey pot, a static pressure box, a cooler, a water tank, a tower for purifying the exhausts, a circulating pump for washing oil, a spraying tower, a water seal tank, an oil-removing tank, a mist catcher, a flame arrester, an exhaust stove, several groups of pressure differential transmitters and several groups of converters. All vents of storage tanks are sealed safely or sealed by nitrogen, the exhausts are collected and sent to the tower for purifying the exhausts to be absorbed, and then the non-condensatable gas obtained after the washing and absorption is sent into a tube furnace or a hot air furnace to be burned at a high temperature through the water seal tank, the mist catcher and the flame arrester. The harmless treatment system for exhausts and waste gases produced in deep processing of coal tar completely solves the pollution and emissions problems of the industrial exhausts and waste gases.
Description
Technical field
The present invention relates to technique tail during dental multipurpose therapy unit technical field, more particularly to a kind of coal tar deep processing
The harmless processing system of gas and waste gas.
Background technology
Coal tar is also known as coal cream, tar oil, liquor carbonis detergens.It is a kind of black or dark brown obtained during coking of coal
Viscous liquid, proportion is more than water, and flammable and be corrosive with certain dissolubility and special stink, coal tar is coking work
One of product in the raw gas of industry pyrolysis of coal generation, its yield account for the 3% ~ 4% of shove charge coal at normal temperatures and pressures its product be in
Dark thick liquid.Coal tar is the primary raw material of coal chemical industry, and its composition reaches up to ten thousand kinds, mainly contains benzene, toluene, diformazan
The aromatic hydrocarbons such as benzene, naphthalene, anthracene, and aromatic series oxygenatedchemicals（Such as phenol phenolic compound）, nitrogenous, sulfur heterocyclic ring compound
Deng gas chromatography, coal tar can be divided into using the method for fractionation the cut of different boiling scope.Coal tar is production modeling
The important source material of material, synthetic fibers, dyestuff, rubber, medicine, exotic material etc., can be used to synthetic pesticide, saccharin, dye
Various industrial goods such as material, medicine, explosive, coal tar often may require that discharge gas during production, have in discharge gas
A kind of gas is NMHC（VOC）, and NMHC（VOC）Refer to all volatilizable hydrocarbonization in addition to methane
Compound（Wherein it is mainly C2~C8）, also known as NMHC.NMHC in air exceedes finite concentration, except directly strong to human body
Health is harmful outer, can also produce photochemical fog through solar radiation under certain condition, and environment and the mankind are caused harm, therefore needs
Solve methane total hydrocarbon in industrial processes（VOC）Discharge capacity, to reach the standard of discharge.
The content of the invention
Based on the technical problem that background technology is present, the present invention proposes process tail gas during a kind of coal tar deep processing
And the harmless processing system of waste gas.
The harmless processing system of process tail gas and waste gas during a kind of coal tar deep processing proposed by the present invention, including charcoal
Dirty oil tank field, raw material product oil reservoir area and tar refining device area, and carbon black tank farm, raw material product oil reservoir area and tar refining
Dehydration groove, draining pond, oil groove, molasses tank, plenum chamber, cooler, water tank, tail gas washing column, washing oil are respectively equipped with device area
Circulating pump, spray column, water sealed tank, oil removing groove, mist eliminator, spark arrester, tail gas furnace, some groups of differential pressure speed changers and some groups of frequency conversions
Device, the output end of the dehydration groove, draining pond and oil groove is connected by the input of differential pressure speed changer and plenum chamber, the molasses
The output end of tank is connected by the input of differential pressure speed changer and tail gas washing column, and the output end that goes out of the plenum chamber passes through differential pressure
The input connection of speed changer and tail gas washing column, the cooler and water tank are connected, and the output end of the cooler is by poor
The input connection of pressure and speed device and tail gas washing column, the output end of the water tank by water pump, wash by differential pressure speed changer and tail gas
The input connection of net tower, the output end of the tail gas washing column is connected by differential pressure speed changer and two inputs of spray column
Connect, the tail gas purification tower is also connected by differential pressure speed changer and two washing oil circulating pumps, one of them spray column it is defeated
Enter end to be connected by the output end of water pump and water tank, two output ends of the spray column are by differential pressure speed changer and water sealed tank
Input is connected, and frequency converter is additionally provided between spray column and water sealed tank, and the output end of the water sealed tank passes through differential pressure speed changer
Connected respectively at the input of mist eliminator and oil removing groove, the output end of the mist eliminator respectively with the input of spark arrester and tail gas furnace
End connection.
Preferably, storage tank is additionally provided with the carbon black tank farm, the storage tank is changed to closed, the storage tank by opened type
Top increase jacketed heat insulation breather valve, the breathing valve outlet connects engine manifold and tail gas washing column, the storage tank top
Portion increases fluid pressure type safety valve.
Preferably, tail gas air-introduced machine, tail gas absorber, tubular heat exchanger, evaporation are additionally provided with the carbon black tank farm
Formula water cooler, waste gas water sealed tank, oil removal circulatory pool, automatic regulating valve and double flange liquid level meters, described pair of flange liquid level meter will
Differential pressure water level transducer signal, frequency change control signal and governor valve control signal are connected with wired mode and long-range control room.
Preferably, the raw material product oil reservoir area is unloaded geosyncline, storage tank, tail gas air-introduced machine, tail gas absorption including feedstock oil
Tower, waste gas water sealed tank, oil removal circulatory pool, automatic regulating valve and double flange liquid level meters, described pair of flange liquid level meter become differential pressure type
Device signal, frequency change control signal and governor valve control signal is sent to be connected with wired mode and long-range control room.
Preferably, the tar refining device area includes that light oil loading apparatus, crude naphthalene loading apparatus, storage tank, tail gas draw
Blower fan, tail gas absorber, vent gas treatment blower fan, automatic regulating valve and double flange liquid level meters, described pair of flange liquid level meter is by differential pressure
Formula transducer signal, frequency change control signal and governor valve control signal are connected with wired mode and long-range control room.
Preferably, 11 storage tanks are provided with the carbon black tank farm, be provided with the raw material product oil reservoir area 15 storage tanks,
12 are unloaded oil sump, 2 blenders and 2 agitators.
Preferably, to be respectively crude naphthalene storage tank, crude naphthalene medial launder and three mixed for the storage tank in the tar refining device area
Oil supply tank.
In the present invention, all storage tank diffusion mouths are carried out with security seal or nitrogen-sealed, and will be sent after gas centralized collection
To enter absorbed in tail gas washing column, the incoagulable gas after scrubbed absorption enters by after water sealed tank, mist eliminator, spark arrester
Tube furnace or hot-blast stove high temperature incineration, thoroughly solve the problems, such as the disposal of pollutants of industrial tail gas and waste gas.
Brief description of the drawings
Fig. 1 is the harmless processing system of process tail gas and waste gas during a kind of coal tar deep processing proposed by the present invention
Part-structure schematic diagram；
Fig. 2 is the part of the harmless processing system of process tail gas and waste gas during a kind of coal tar deep processing proposed by the present invention
Structural representation.
Specific embodiment
The present invention is made with reference to specific embodiment further explain.
Reference picture 1-2, the harmless treatment of process tail gas and waste gas during a kind of coal tar deep processing proposed by the present invention
System, including carbon black tank farm, raw material product oil reservoir area and tar refining device area.
Be additionally provided with carbon black tank farm tail gas air-introduced machine, tail gas absorber, tubular heat exchanger, evaporating water cooled but device,
Waste gas water sealed tank, oil removal circulatory pool, automatic regulating valve and double flange liquid level meters, double flange liquid level meters believe differential pressure water level transducer
Number, frequency change control signal and governor valve control signal connected with wired mode and long-range control room, raw material product oil reservoir area
Including feedstock oil unload geosyncline, storage tank, tail gas air-introduced machine, tail gas absorber, waste gas water sealed tank, oil removal circulatory pool, automatically adjust
Valve and double flange liquid level meters, double flange liquid level meters are by differential pressure water level transducer signal, frequency change control signal and governor valve control signal
Connected with wired mode and long-range control room.
Tar refining device area includes that light oil loading apparatus, crude naphthalene loading apparatus, storage tank, tail gas air-introduced machine, tail gas are inhaled
Receive tower, vent gas treatment blower fan, automatic regulating valve and double flange liquid level meters, double flange liquid level meters by differential pressure water level transducer signal, become
Frequency control signal and governor valve control signal are connected with wired mode and long-range control room.
11 storage tanks are provided with carbon black tank farm, be provided with raw material product oil reservoir area 15 storage tanks, 12 unload oil sump, 2
Blender and 2 agitators, the storage tank in tar refining device area are respectively crude naphthalene storage tank, crude naphthalene medial launder and mixed triolein
Storage tank.
Storage tank is changed to closed, the top increase jacketed heat insulation breather valve of storage tank, breathing valve outlet connection by opened type
Engine manifold and tail gas washing column, storage tank top increase fluid pressure type safety valve, remove former storage tank floating ball lever meter to strengthen storage tank
Sealing；It is changed to differential pressure type pressure transmitter liquid level gauge to show, solves because liquid level shows inaccurate problem after closing diffused gas.
Vent gas treatment blower fan is changed to frequency conversion type blower fan（Blower fan load need to be adjusted）, and join with the tail gas pressure regulation of storage tank area
Lock, the circulating washing oil of tail gas absorber needs cooling, therefore increases a tubular heat exchanger, and newly-increased tubular heat exchanger is cold
But water circulation, so an evaporating water cooled but device need to be increased, the waste gas after closed, centralized collection, washing absorption treatment,
Again by after water sealed tank, mist eliminator, spark arrester, entering hot-blast stove by blast furnace blower fan and burning, it is therefore desirable to increase by two
Automatically adjust valve regulation exhausted air quantity.
Tail gas absorber transform as：A, cleaning change tower packing, b, one washing oil cycle heat exchange shell and tube heat exchange of increase
Device, increases circulating cooling water pipe all the way, for cooling down circulating washing oil, c, increases an evaporating water cooled but device.
After vent gas treatment blower fan before absorption tower by being changed to tower, absorption tower is changed into negative pressure tower from malleation tower.
Increase the entrucking oil filling riser that hot tail gas collect plug in light oil loading apparatus, the entrucking waste gas of collection is connected to tail through pipeline
Gas house steward removes purifying column, and one group of washing oil cyclic absorption device is increased in crude naphthalene loading apparatus, is made in groove tank car jacking material mouth
Portable suction seal cone bucket, by waste gas negative tube, is connected to washing oil cyclic absorption device, absorbs the naphthalene that volatilized when entrucking feeds
Gas removes purifying column through engine manifold afterwards.
Crude naphthalene storage tank, crude naphthalene medial launder and mixed triolein storage tank are changed to nitrogen seal structure, and nitrogen tube is incubated for steam jacket
Pipe, engine manifold increases washing oil envelope.Washing oil envelope is broken through in storage tank after gas superpressure and removes scrubbing tower into engine manifold.
Dehydration groove, draining pond, oil are respectively equipped with carbon black tank farm, raw material product oil reservoir area and tar refining device area
Groove, molasses tank, plenum chamber, cooler, water tank, tail gas washing column, washing oil circulating pump, spray column, catch mist at water sealed tank, oil removing groove
Device, spark arrester, tail gas furnace, some groups of differential pressure speed changers and some groups of frequency converters, the output end of dehydration groove, draining pond and oil groove are led to
Cross the input connection of differential pressure speed changer and plenum chamber, the output end of molasses tank is defeated by differential pressure speed changer and tail gas washing column
Enter end connection, the output end that goes out of plenum chamber is connected by the input of differential pressure speed changer and tail gas washing column, cooler and water tank
Connection, the output end of cooler is connected by the input of differential pressure speed changer and tail gas washing column, and the output end of water tank passes through water
The input connection of pump, differential pressure speed changer and tail gas washing column, the output end of tail gas washing column passes through differential pressure speed changer and two
The input connection of spray column, tail gas purification tower is also connected by differential pressure speed changer and two washing oil circulating pumps, one of spray
The input for drenching tower is connected by the output end of water pump and water tank, and two output ends of spray column pass through differential pressure speed changer and water seal
The input connection of groove, and frequency converter is additionally provided between spray column and water sealed tank, the output end of water sealed tank passes through differential pressure speed changer
Connected respectively at the input of mist eliminator and oil removing groove, the output end of mist eliminator connects with the input of spark arrester and tail gas furnace respectively
Connect.
In the present invention, effective transformation is carried out by original equipment of industrial product, by all storage tank diffusion mouths
Security seal or nitrogen-sealed are carried out, and will be absorbed in feeding tail gas washing column after gas centralized collection, scrubbed absorption
Incoagulable gas afterwards thoroughly solves work by entering tube furnace or hot-blast stove high temperature incineration after water sealed tank, mist eliminator, spark arrester
The disposal of pollutants problem of industry tail gas and waste gas.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (7)
1. during a kind of coal tar deep processing process tail gas and waste gas harmless processing system, it is characterised in that including carbon black
Tank farm, raw material product oil reservoir area and tar refining device area, and carbon black tank farm, raw material product oil reservoir area and tar refining dress
Put and be respectively equipped with area dehydration groove, draining pond, oil groove, molasses tank, plenum chamber, cooler, water tank, tail gas washing column, washing oil is followed
Ring pump, spray column, water sealed tank, oil removing groove, mist eliminator, spark arrester, tail gas furnace, some groups of differential pressure speed changers and some groups of frequency conversions
Device, the output end of the dehydration groove, draining pond and oil groove is connected by the input of differential pressure speed changer and plenum chamber, the molasses
The output end of tank is connected by the input of differential pressure speed changer and tail gas washing column, and the output end that goes out of the plenum chamber passes through differential pressure
The input connection of speed changer and tail gas washing column, the cooler and water tank are connected, and the output end of the cooler is by poor
The input connection of pressure and speed device and tail gas washing column, the output end of the water tank by water pump, wash by differential pressure speed changer and tail gas
The input connection of net tower, the output end of the tail gas washing column is connected by differential pressure speed changer and two inputs of spray column
Connect, the tail gas purification tower is also connected by differential pressure speed changer and two washing oil circulating pumps, one of them spray column it is defeated
Enter end to be connected by the output end of water pump and water tank, two output ends of the spray column are by differential pressure speed changer and water sealed tank
Input is connected, and frequency converter is additionally provided between spray column and water sealed tank, and the output end of the water sealed tank passes through differential pressure speed changer
Connected respectively at the input of mist eliminator and oil removing groove, the output end of the mist eliminator respectively with the input of spark arrester and tail gas furnace
End connection.
2. during a kind of coal tar deep processing according to claim 1 process tail gas and waste gas harmless processing system,
Characterized in that, being additionally provided with storage tank in the carbon black tank farm, the storage tank is changed to closed, the top of the storage tank by opened type
Portion increases jacketed heat insulation breather valve, and the breathing valve outlet connects engine manifold and tail gas washing column, and the storage tank top increases
Liquid feeding pressure type safety valve.
3. during a kind of coal tar deep processing according to claim 1 process tail gas and waste gas harmless processing system,
Characterized in that, being additionally provided with tail gas air-introduced machine, tail gas absorber, tubular heat exchanger, vaporation-type water in the carbon black tank farm
Cooler, waste gas water sealed tank, oil removal circulatory pool, automatic regulating valve and double flange liquid level meters, described pair of flange liquid level meter is by differential pressure
Formula transducer signal, frequency change control signal and governor valve control signal are connected with wired mode and long-range control room.
4. during a kind of coal tar deep processing according to claim 1 process tail gas and waste gas harmless processing system,
Characterized in that, the raw material product oil reservoir area is unloaded geosyncline, storage tank, tail gas air-introduced machine, tail gas absorber, useless including feedstock oil
Air water sealing groove, oil removal circulatory pool, automatic regulating valve and double flange liquid level meters, described pair of flange liquid level meter believe differential pressure water level transducer
Number, frequency change control signal and governor valve control signal connect with wired mode and long-range control room.
5. during a kind of coal tar deep processing according to claim 1 process tail gas and waste gas harmless processing system,
Characterized in that, the tar refining device area include light oil loading apparatus, crude naphthalene loading apparatus, storage tank, tail gas air-introduced machine,
Tail gas absorber, vent gas treatment blower fan, automatic regulating valve and double flange liquid level meters, described pair of flange liquid level meter is by differential pressure type pick-up
Device signal, frequency change control signal and governor valve control signal are connected with wired mode and long-range control room.
6. during a kind of coal tar deep processing according to claim 1 process tail gas and waste gas harmless processing system,
Characterized in that, be provided with 11 storage tanks in the carbon black tank farm, be provided with the raw material product oil reservoir area 15 storage tanks, 12
Unload oil sump, 2 blenders and 2 agitators.
7. during a kind of coal tar deep processing according to claim 1 process tail gas and waste gas harmless processing system,
Characterized in that, the storage tank in the tar refining device area is respectively the storage of crude naphthalene storage tank, crude naphthalene medial launder and mixed triolein
Groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611136812.4A CN106693618B (en) | 2016-12-12 | 2016-12-12 | The harmless processing system of process tail gas and exhaust gas during a kind of coal tar deep processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611136812.4A CN106693618B (en) | 2016-12-12 | 2016-12-12 | The harmless processing system of process tail gas and exhaust gas during a kind of coal tar deep processing |
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| CN106693618A true CN106693618A (en) | 2017-05-24 |
| CN106693618B CN106693618B (en) | 2019-05-17 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107586551A (en) * | 2017-10-19 | 2018-01-16 | 黄优雅 | Oil smoke extraction regeneration oil product equipment and its extracting method in organic carbon |
| CN108514809A (en) * | 2018-05-08 | 2018-09-11 | 江苏智道工程技术有限公司 | A kind of coking crude benzene deep processing treating tail gas device and method |
| CN109621621A (en) * | 2018-11-26 | 2019-04-16 | 中冶焦耐(大连)工程技术有限公司 | A kind of coking VOCs dispersing gas cleaning recovery and processing system and method |
| CN109695887A (en) * | 2017-10-20 | 2019-04-30 | 宝武炭材料科技有限公司 | A kind of coal tar processing exhaust treatment system and its treatment process |
| CN113694699A (en) * | 2021-09-26 | 2021-11-26 | 山东恒信科技发展有限公司 | Chemical waste gas centralized treatment system |
| CN116966724A (en) * | 2023-09-19 | 2023-10-31 | 山西诺成制药有限公司 | Solvent circulation type efficient absorption spray tower |
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| CN101721890A (en) * | 2009-12-20 | 2010-06-09 | 芜湖新兴铸管有限责任公司 | Tail gas collection system for tar and crude benzene |
| CN104056523A (en) * | 2014-07-07 | 2014-09-24 | 宁波复能新材料股份有限公司 | System for processing exhaust gas of rare earth electrolysis process |
| JP5627513B2 (en) * | 2011-03-04 | 2014-11-19 | ヤンマー株式会社 | Methane gas purification system for biogas power generation system |
| CN105126547A (en) * | 2015-08-14 | 2015-12-09 | 桐昆集团股份有限公司 | Polyester process exhaust organic matter recovery device |
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| GB616730A (en) * | 1946-09-10 | 1949-01-26 | Thomas Owston Wilton | Improvements in the production of hard pitch and oils from medium soft coal tar pitch |
| CN101721890A (en) * | 2009-12-20 | 2010-06-09 | 芜湖新兴铸管有限责任公司 | Tail gas collection system for tar and crude benzene |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107586551A (en) * | 2017-10-19 | 2018-01-16 | 黄优雅 | Oil smoke extraction regeneration oil product equipment and its extracting method in organic carbon |
| CN107586551B (en) * | 2017-10-19 | 2023-11-03 | 锦盛绿洲(深圳)环保科技有限公司 | Equipment and method for extracting regenerated oil products from oil smoke in organic matter carbonization |
| CN109695887A (en) * | 2017-10-20 | 2019-04-30 | 宝武炭材料科技有限公司 | A kind of coal tar processing exhaust treatment system and its treatment process |
| CN108514809A (en) * | 2018-05-08 | 2018-09-11 | 江苏智道工程技术有限公司 | A kind of coking crude benzene deep processing treating tail gas device and method |
| CN109621621A (en) * | 2018-11-26 | 2019-04-16 | 中冶焦耐(大连)工程技术有限公司 | A kind of coking VOCs dispersing gas cleaning recovery and processing system and method |
| CN113694699A (en) * | 2021-09-26 | 2021-11-26 | 山东恒信科技发展有限公司 | Chemical waste gas centralized treatment system |
| CN113694699B (en) * | 2021-09-26 | 2024-04-19 | 山东恒信科技发展有限公司 | Chemical waste gas centralized treatment system |
| CN116966724A (en) * | 2023-09-19 | 2023-10-31 | 山西诺成制药有限公司 | Solvent circulation type efficient absorption spray tower |
| CN116966724B (en) * | 2023-09-19 | 2023-12-12 | 山西诺成制药有限公司 | Solvent circulation type efficient absorption spray tower |
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|---|---|
| CN106693618B (en) | 2019-05-17 |
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