CN108067085A - A kind of coal chemical industry exhaust gas treating method and device - Google Patents
A kind of coal chemical industry exhaust gas treating method and device Download PDFInfo
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- CN108067085A CN108067085A CN201610983063.2A CN201610983063A CN108067085A CN 108067085 A CN108067085 A CN 108067085A CN 201610983063 A CN201610983063 A CN 201610983063A CN 108067085 A CN108067085 A CN 108067085A
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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
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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
- B01D53/1456—Removing acid components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1487—Removing organic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
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- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
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- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of coal chemical industry exhaust gas treating method and devices,It is related to coal chemical industry vent gas treatment and environmental technology field,Including exhaust collection and conveyance conduit,Exhaust fan,Scrubbing tower,Washing oil circulating pump,Water sealed tank,The equipment such as demister and tubular heater,Each storage tank in coal chemical industry,Technique productions device and the tail gas of loading-unloading vehicle process are collected by pipeline,It send to scrubbing tower and washing oil counter current contacting and washs through exhaust fan,Multiple filling layers are equipped in scrubbing tower,Go out in scrubbing tower inner exhaust gas under into from top,Circulating washing oil is pumped into scrubbing tower top by washing oil Xun Huan and is sprayed,It is sent again to water sealed tank oil removing,Recycle water-soluble component and voltage stabilizing,Water sealed tank inlet exhaust gas is below liquid level close to trough bottom,Offgas outlet is directly in groove top,After demister demisting,It send to the burning of tubular heater burner hearth and Pintsch process,Make non-methane total hydrocarbons in coal chemical industry tail gas,Benzene,Naphthalene,Anthracene,The substances zero-emission such as tar and phenol,The safe and stable operation of realization device.
Description
Technical field
The invention discloses a kind of coal chemical industry exhaust gas treating method and devices, are related to coal chemical industry vent gas treatment and green technology
Field specifically discloses the treating method and apparatus that a kind of coal chemical industry generates tail gas.
Background technology
In recent years with the continuous development of Chemical Industry, related coal chemical industry enterprises are more and more, process scale and product
Quantity is also on the increase, and coal chemical industry is high pollution industry, and corresponding environmental protection requirement is more and more stringenter, and this requires coalifications
Work enterprise using advanced, environmentally friendly process equipment to it is original, fall behind process equipment be transformed make Environmental Protection Level reach or
More than requirements of the national standard.
The exhaust gas constituents that coal chemical industry generates are complicated, and it is more that various hydro carbons, alcohols, aldehydes, phenols etc. are mainly included according to component
Kind organic compound and H2S、SO2, a variety of inorganic compounds such as NO, volatile quantity, concentration and the chemicals rationality itself of various substances
Matter is different.Common processing method have the burning method of purification, adsorption cleaning method, liquid absorption method, condensation cleaning method etc. or
It is that several method comprehensively utilizes simultaneously.
Document in the prior art on coal chemical industry vent gas treatment is more, such as《Chemical industry safety and environment》2010 the 49th
Interim coal chemical industry tail gas is collected using Venturi tube, is sufficiently mixed with washing oil, the gas after separation is directly arranged by liquid absorption method
Enter air；The tail gas of carbon black process enters tail gas furnace and tail gas boiler combustion, and more than single method and device were using
Cheng Zhong, effect is undesirable, and the tail gas peculiar smell of discharge is big.《Coal chemical industry》6th phase《The production that the integration of coal chemical industry enterprises tail gas is administered
Practice》In, to the tail gas of different production areas, take corresponding condensation cooling method, absorption process, active carbon adsorption, nitrogen close
The methods of envelope and device, investment is big, can not be inherently eliminated live peculiar smell.
For existing major part coal chemical industry enterprises when handling tail gas, using single absorption process, effect is undesirable, and peculiar smell is larger；
Using active carbon adsorption, cost is higher, and effect is unstable；Using burning the method for purification due in tail gas combustible concentration it is low,
Calorific value is low, and Lighting-blast casualty easily occurs for air capacity or the bad control of tail gas pressure, dangerous big.According to coal chemical industry tailgas component
Matter and feature, targetedly processing realize zero-emission, and are coals premised on exhaust gas processing device operational safety stabilization as far as possible
The inevitable choice of chemical industry tail gas processing method and processing device.
The content of the invention
The present invention utmostly improves vent gas treatment under the premise of ensureing that coal chemical industry exhaust gas processing device operational safety is stablized
Effect realizes toxic and harmful gas zero-emission, and provides a kind of coal chemical industry exhaust gas treating method and device, by groove tank in coal chemical industry
Tail gas, the discharge of technique productions device tail gas and loading-unloading vehicle during tail gas after piping is collected, by scrubbing tower with washing
Most of organic matter such as benzene, naphthalene, phenol and anthracene in oil absorption recycling tail gas, can using oily substance in water separation tail gas and absorption
The substance of water is dissolved in, some liquid components carried secretly in tail gas are removed through demister, finally burns and cracks into tubular heater,
It is fully cleaned up the substances such as poisonous and harmful non-methane total hydrocarbons in tail gas, benzene class, naphthalenes, anthracene, tar and phenol.
In order to solve the above technical problems, the present invention adopts the technical scheme that：
A kind of coal chemical industry exhaust gas treating method and device be based on coal chemical industry tail gas Main Components for non-methane total hydrocarbons, benzene class, naphthalenes,
The substances such as anthracene, tar and phenol, it is main using the separation method absorbed and the method for burning cracking, by groove tank tail gas in coal chemical industry,
Tail gas during the tail gas and loading-unloading vehicle of the discharge of technique productions device carries out purified treatment, realizes zero-emission；The device includes
The equipment such as exhaust collection and conveyance conduit, exhaust fan, scrubbing tower, washing oil circulating pump, water sealed tank, demister and tubular heater；
Groove tank tail gas in coal chemical industry, the discharge of technique productions device tail gas and loading-unloading vehicle during tail gas after piping is collected,
Into scrubbing tower under the suction of exhaust fan, multiple filling layers are set in scrubbing tower, washing oil is sprayed from top of tower through washing oil circulating pump, with from
The tail gas counter current contacting that bottom of towe enters, mix principle since organic matter is similar, through washing oil solvent adsorption recovery section benzene, naphthalene, phenol
It is discharged with after the substances such as anthracene from top, oil removing and removes part water-soluble substances in water sealed tank, certain liquid is filled in water sealed tank
The water of position, inlet exhaust gas is in water sealed tank underwater close to water seal trench bottom, and offgas outlet is on the water sealed tank water surface close to water sealed tank
Top, tail gas are contacted directly with water, and oil therein, partially acidic substance such as H are recycled by water condensation2S and SO2Deng, rear molding
Gas removes the liquid carried secretly in tail gas using demister, is directly sent to tubular heater, and the non-methane contained in tail gas is total
The substances such as hydrocarbon, benzene class, naphthalenes, anthracene and phenol burn and Pintsch process processing, the basic zero-emission for realizing toxic and harmful gas, simultaneously
The covering device operational safety is stablized.
Tail gas during the coal chemical industry during groove tank tail gas, technique productions device discharge tail gas and loading-unloading vehicle passes through
Pipeline is collected, and is all carried out in confined conditions, and the offgas duct of each part is separately provided valve control, convenient for controlling each portion
Position tail gas suction suction, reduces tail gas effusion and air enters exhaust system.
The tail gas generated during the coal chemical industry passes through the effect of exhaust fan, the tail of groove tank, process unit and loading-unloading vehicle
Negative pressure is respectively formed at tracheae, be conducive to exhaust collection and prevents tail gas from leaking, while tail gas has certain pressure to pass through scrubbing tower, water
Sealing groove and demister enter tubular heater, and exhaust fan is frequency conversion fan, become frequent according to the size control of negative pressure value in pipeline
Rate keeps stablizing relatively for the exhaust collections position negative pressure such as groove tank, process unit and loading-unloading vehicle.
Multiple filling layers are set in the scrubbing tower, the tail gas generated during coal chemical industry is washed by scrubbing tower in recycling tail gas
The major part organic matter such as benzene, naphthalene, phenol and anthracene, using the similar principle that mixes of organic matter, washing oil is recycled by washing oil circulating pump,
Washing oil is sprayed from tower top, and tail gas goes out from wash tower bottoms into top, is realized counter current contacting, is ensured preferable recovering effect, washing oil
Periodic replacement.
The water sealed tank needs to keep certain water seal height, tail gas by water sealed tank underwater close to water seal trench bottom into
Mouth enters, and goes out from the water sealed tank water surface close to the outlet at the top of water sealed tank, is contacted directly with water, preferable receipts are directly condensed by water
Oily substance in collection separation tail gas, while absorb soluble gas such as H2S and SO2Deng in the case where water seal depth ensures to stablize preferably
Offgas outlet pressure stability is kept, in addition tail gas enters tubular heater burning and cracking below, and water seal effect avoids tail gas
Pipe tempering causes danger.
The demister is used to remove some liquid components carried secretly in tail gas, and tail gas is made to be burned into tubular heater and is stablized
It is abundant with cracking.
The coal chemical industry tail gas through front washing oil adsorption recovery, water condensation recycling separation and after mending mist collection processing finally into
Enter tubular heater to burn and crack, by non-methane total hydrocarbons, benzene class, naphthalenes, anthracene and phenol for not recycling completely in tail gas etc.
Substance is disposed in tubular heater, realizes the zero-emission of toxic and harmful gas.
Compared with prior art, the present invention has following advantageous effect：
This coal chemical industry exhaust gas treating method and device are easy to operate, main according to coal chemical industry exhaust gas composition using continuous technique
There are the substances such as non-methane total hydrocarbons, benzene class, naphthalenes, tar, anthracene and phenol, first recycled, then removed using washing oil solvent absorption
Oil mends mist and burning, step-by-step processing, multiple method combinations, basic realization poisonous and harmful substance zero-emission.
This coal chemical industry exhaust gas treating method is reliable, and device operational safety is stablized, and collects tail gas using closed environment, relies on
Negative regulation in frequency conversion fan control pipeline keeps into tubular heater tail gas pressure stability and avoids back through water sealed tank buffering
Fire stablizes tail gas burning and cracking process, the danger that traditional directly combustion pressure shakiness, air capacity fluctuation is avoided to blow out greatly.
This coal chemical industry exhaust gas treating method and plant investment save, and use cost is low, and cleaning solvent washing oil can recycle,
Washing oil after replacement can be further used as other Raw material processings and use；The water circulation use of water sealed tank, the water return water after replacement
Oily and further purified treatment reuse, tail gas burns and cracking directly utilizes the tubular heater as heating equipment.
Description of the drawings
Fig. 1 is the workflow schematic diagram of the present invention.
It is marked in figure：1- exhaust collections and conveyance conduit, 2- exhaust fans, 3- scrubbing towers, 4- washing oil circulating pumps, 5- water seals
Slot, 6- demisters, 7- tubular heaters.
Specific embodiment
The technical solution in the present invention is described further with reference to the accompanying drawings and embodiments.
With reference to attached drawing, a kind of coal chemical industry exhaust gas treating method of the present invention and device, including 1- exhaust collections and conveyance conduit,
The equipment such as 2- exhaust fans, 3- scrubbing towers, 4- washing oil circulating pumps, 5- water sealed tanks, 6- demisters, 7- tubular heaters；In coal chemical industry
Tail gas during tail gas and loading-unloading vehicle that groove tank tail gas, technique productions device are discharged is after the collection of piping 1, in exhaust fan 2
Suction under into scrubbing tower 3, set multiple filling layers in scrubbing tower 3, washing oil is sprayed from top of tower through washing oil circulating pump 4, and from tower
The tail gas counter current contacting that bottom enters is discharged after the substances such as washing oil solvent adsorption recovery section benzene, naphthalene, phenol and anthracene from top,
Oil removing and part water-soluble substances is removed in water sealed tank 5, the water of certain liquid level is filled in water sealed tank 5, inlet exhaust gas is in water sealed tank 5
Underwater is close to 5 bottom of water sealed tank, and on 5 water surface of water sealed tank close at the top of water sealed tank, tail gas is directly connecing offgas outlet with water
It touches, oil therein, partially acidic substance such as H is recycled by water condensation2S and SO2Deng, afterwards tail gas using demister 6 except truncating
The liquid carried secretly in gas, be directly sent to burning tubular heater 7, by the non-methane total hydrocarbons contained in tail gas, benzene class, naphthalenes,
The substances such as anthracene and phenol burn and Pintsch process processing, the basic zero-emission for realizing toxic and harmful gas, while the covering device is run
Safety and stability.
The present invention operation principle be：The present invention first collects the tail gas generated in coal chemical industry in confined conditions, profit
Negative pressure is formed with exhaust fan, tail gas suction is come, tail gas is avoided to leak the entrance with large quantity of air, the tail gas warp collected afterwards
Exhaust fan is sent to scrubbing tower, and the absorption of solvent is used as by washing oil, is mixed principle using organic matter, by a large amount of benzene in tail gas
The substances such as class, naphthalenes, anthracene and phenol recycle, using water sealed tank condensation separation some of them oils, water-soluble substance,
Control offgas outlet pressure stabilization, also avoid being tempered, finally without absorb non-methane total hydrocarbons, benzene class, naphthalenes, anthracene and
The organic substances such as phenol burn and Pintsch process, are converted into water and carbon dioxide, realize the zero-emission of toxic and harmful gas.Washing oil and
Water all recycles, and is replaced after a certain period of time, and for washing oil as raw materials recovery, moisture separates out oil therein, oil recycling oil inlet
Slot, the water after separation is oily are sent to biochemical treatment.
Tail gas during coal chemical industry during groove tank tail gas, technique productions device discharge tail gas and loading-unloading vehicle is through piping
It collects, all carries out in confined conditions, the offgas duct of each part is separately provided valve control, is controlled according to valve opening each
A position tail gas aspirates suction, according to circumstances closes related valve at some interim positions without generating tail gas, reduces tail gas
Effusion and air enter exhaust system.
Present apparatus exhaust fan is in longtime running state, and the frequency of exhaust fan is automatically adjusted by tail gas amount and pipeline pressure,
Tail gas is enable to be sent to the equipment such as scrubbing tower, water sealed tank and tubular heater, i.e., related tail gas unit is in tiny structure shape always
State.
Fresh washing oil is poured into scrubbing tower to certain liquid level, after tail gas enters scrubbing tower, starts washing oil circulating pump, makes washing oil
It is sprayed in into tower from tower top, and the tail gas counter current contacting entered from tower bottom, benzene class in tail gas, naphthalene is absorbed with washing oil
When material concentration is absorbed in washing oil becoming higher assimilation effect and be deteriorated, useless washing oil is sent to raw material storage tank for the substances such as class, anthracene and phenol
Recycling is processed further, and supplements fresh washing oil again.
Tail gas after scrubbing tower washs is entered by insertion tube below the water sealed tank water surface, is escaped more than the water sealed tank water surface
Go out laggard demister, supplement the water of good certain liquid level in water sealed tank in advance, with ceaselessly moisturizing and the draining of identical speed, realize water
Circulating and recovering, make stable level in water sealed tank, tail gas kept to go out water sealed tank pressure stability.In water sealed tank, tail gas passes through water
Oil therein is recycled in condensation, and absorbs a part of water-soluble substances such as H2S and SO2Deng oil time raw material oil groove time after water-oil separating
It receives, water periodically send biochemical treatment.
Tail gas, to demister, traps the liquids such as entrained oil and water in tail gas, will periodically remove after water sealed tank is handled
Liquid in day with fog is recycled to raw material oil groove, and final tail gas enters the tubular heater of burning, in tubular heater, burns
It burns and cracking is fallen not fully absorb the substances such as the non-methane total hydrocarbons got off, benzene class, naphthalenes, tar, anthracene and phenol, realize substantially toxic
The zero-emission of pernicious gas.
This covering device tail gas is collected in confined conditions, and exhaust fan uses frequency conversion fan, automatically adjusts pipeline pressure and tail
Gas air quantity keeps system to stablize；It is continuously run as solvent absorption, scrubbing tower and washing oil circulating pump using washing oil and water, water seal
Slot liquid level constant makes tail gas stablizing relatively into tubular heater component and pressure；Additionally by water sealed tank fluid-tight, tail gas is avoided
Pipe tempering is dodged quick-fried and blown out, this exhaust gas treating method is reliable, at low cost, and device is easy to operate, and operation is continuous, safe and stable, tool
There is significant environmental benefit.
The foregoing is merely the embodiment of the present invention, are not intended to limit the invention, it is noted that any to be familiar with sheet
The technical staff in field disclosed herein technical scope in, variation, replacement or the improvement that can readily occur in should all be covered
Within protection scope of the present invention.
Claims (7)
1. a kind of coal chemical industry exhaust gas treating method and device include exhaust collection and conveyance conduit, exhaust fan, scrubbing tower, washing oil follow
Ring pump, water sealed tank, demister and tubular heater equipment, it is characterised in that groove tank tail gas, technique productions device row in coal chemical industry
Tail gas during the tail gas and loading-unloading vehicle that go out is after piping is collected, into scrubbing tower, scrubbing tower under the suction of exhaust fan
Multiple filling layers are inside set, washing oil is sprayed from top of tower through washing oil circulating pump, molten through washing oil with the tail gas counter current contacting entered from bottom of towe
Tail gas is discharged from top after agent adsorption recovery, oil removing and removing part water-soluble substances in water sealed tank, and one is filled in water sealed tank
Determine the water of liquid level, inlet exhaust gas is in water sealed tank underwater close to water seal trench bottom, and offgas outlet is on the water sealed tank water surface close to water
At the top of sealing groove, tail gas removes the liquid carried secretly in tail gas using demister afterwards, is directly sent to tubular heater, will be in tail gas
Non-methane total hydrocarbons, benzene class, naphthalenes, anthracene, tar and the phenol contained burns and Pintsch process processing, realizes toxic and harmful gas substantially
Zero-emission, while the covering device operational safety stablize.
2. a kind of coal chemical industry exhaust gas treating method and device according to claim 1, it is characterised in that during coal chemical industry
Tail gas during groove tank tail gas, technique productions device discharge tail gas and loading-unloading vehicle is collected through piping, all in confined condition
Lower progress, reduces tail gas effusion and air enters exhaust system.
3. a kind of coal chemical industry exhaust gas treating method and device according to claim 1, it is characterised in that during coal chemical industry
The tail gas of generation generates negative pressure at the offgas duct of groove tank, process unit and loading-unloading vehicle, is conducive to tail by the effect of exhaust fan
Gas is collected, while tail gas has certain pressure to enter tubular heater by scrubbing tower, water sealed tank and demister.
4. a kind of coal chemical industry exhaust gas treating method and device according to claim 1, it is characterised in that during coal chemical industry
The tail gas of generation washs benzene, naphthalene, phenol and anthracene major part organic matter in recycling tail gas by scrubbing tower, and setting multilayer in scrubbing tower fills out
Material, washing oil are recycled by washing oil circulating pump, and washing oil is sprayed from tower top, and tail gas goes out from wash tower bottoms into top, are realized
Counter current contacting ensures preferable recovering effect.
5. a kind of coal chemical industry exhaust gas treating method and device according to claim 1, it is characterised in that water sealed tank passes through guarantor
Certain water seal height is held, tail gas is entered by the import of water sealed tank underwater close to water seal trench bottom, connect from the water sealed tank water surface
Outlet at the top of nearly water sealed tank goes out, and preferably collects the oily substance in separation tail gas, absorbs water-soluble gas, and keep out
Mouth pressure stability also avoids offgas duct tempering from causing danger.
6. a kind of coal chemical industry exhaust gas treating method and device according to claim 1, it is characterised in that demister can remove
Some liquid components carried secretly in tail gas are removed, tail gas is made to be burned into tubular heater and stablizes and cracks fully.
7. a kind of coal chemical industry exhaust gas treating method and device according to claim 1, it is characterised in that during coal chemical industry
Tail gas eventually enter into tubular heater burn and cracking, will in tail gas not completely recycle non-methane total hydrocarbons, benzene class, naphthalene
Class, anthracene, tar and phenol are disposed in tubular heater, the basic zero-emission for realizing toxic and harmful gas.
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Cited By (8)
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| CN108452634A (en) * | 2018-06-14 | 2018-08-28 | 王书虎 | A kind for the treatment of process and equipment of organic exhaust gas |
| CN109173564A (en) * | 2018-11-19 | 2019-01-11 | 福建南方路面机械有限公司 | A kind of bituminous mixing plant exhaust gas treating method |
| CN109173671A (en) * | 2018-10-23 | 2019-01-11 | 山东环达环保科技有限公司 | Coke-oven plant's entrucking exhaust gas treating method and device |
| CN109353984A (en) * | 2018-12-04 | 2019-02-19 | 中冶焦耐(大连)工程技术有限公司 | A kind of collection of pitch oil filling riser raffinate and blow device |
| CN109589749A (en) * | 2018-11-27 | 2019-04-09 | 苏州佑君环境科技有限公司 | The processing method of tar volatile matter |
| CN110002943A (en) * | 2019-04-30 | 2019-07-12 | 山西豪仑科化工有限公司 | Device in beta naphthal production in sulfonation with tail gas recycle naphthalene |
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| CN113521965A (en) * | 2021-01-29 | 2021-10-22 | 乌海宝杰新能源材料有限公司 | Efficient and energy-saving granulation tail gas treatment system and treatment process thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108452634A (en) * | 2018-06-14 | 2018-08-28 | 王书虎 | A kind for the treatment of process and equipment of organic exhaust gas |
| CN108452634B (en) * | 2018-06-14 | 2024-04-02 | 济南众焦先科环保科技有限公司 | Organic waste gas treatment process and equipment |
| CN109173671A (en) * | 2018-10-23 | 2019-01-11 | 山东环达环保科技有限公司 | Coke-oven plant's entrucking exhaust gas treating method and device |
| CN109173564A (en) * | 2018-11-19 | 2019-01-11 | 福建南方路面机械有限公司 | A kind of bituminous mixing plant exhaust gas treating method |
| CN109589749A (en) * | 2018-11-27 | 2019-04-09 | 苏州佑君环境科技有限公司 | The processing method of tar volatile matter |
| CN109353984A (en) * | 2018-12-04 | 2019-02-19 | 中冶焦耐(大连)工程技术有限公司 | A kind of collection of pitch oil filling riser raffinate and blow device |
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| CN110002943A (en) * | 2019-04-30 | 2019-07-12 | 山西豪仑科化工有限公司 | Device in beta naphthal production in sulfonation with tail gas recycle naphthalene |
| CN110002943B (en) * | 2019-04-30 | 2023-07-21 | 山西豪仑科化工有限公司 | Device for recycling naphthalene from sulfonation and neutralization tail gas in 2-naphthol production |
| CN110903861A (en) * | 2019-11-28 | 2020-03-24 | 中国神华煤制油化工有限公司 | Extracting agent for extracting naphthalene, preparation method and application thereof, and method and device for removing naphthalene from raw gas |
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Application publication date: 20180525 |