CN102489122B - Sulfur-bearing oil and gas mixture recovery process and device - Google Patents
Sulfur-bearing oil and gas mixture recovery process and device Download PDFInfo
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Abstract
Disclosed are a sulfur-bearing oil and gas mixture recovery process and a device utilizing the same. The sulfur-bearing oil and gas mixture recovery process includes: feeding sulfur-bearing oil and gas mixture into an adsorption tower and removing and adsorbing oil in gas in the mixture by adsorbent in the absorption tower; feeding sulfur-bearing mixture without oil and gas into a desulfurizing tower, removing sulfide mixed in the mixture further while exhausting cleaned gas from the top of the desulfurizing tower after the sulfide is removed; desorbing the adsorbent adsorbing oil and gas components in the adsorption tower under action of a vacuum pump, leading the oil and gas components which are desorbed into an absorbing tower, recovering oil and gas under action of the absorbent in the absorbing tower, feeding rich oil which is formed after the absorbent absorbing the oil and gas components into an oil storage tank to be recovered, while returning a small quantity of oil and gas which are not absorbed to the adsorption tower to be further adsorbed circularly. By the aid of the sulfur-bearing oil and gas mixture recovery process and the device utilizing the same, oil, gas and sulfide mixed in the sulfur-bearing oil and gas mixture can be removed, oil and gas are recovered, and meanwhile the difficult problem that environmental pollution caused by sulfide is solved. Accordingly, the sulfur-bearing oil and gas mixture recovery process and the device utilizing the same have the advantages of energy economization and environmental protection.
Description
Technical field
The present invention relates to the energy-conserving and environment-protective technical field, be specifically related to a kind of sulfur-bearing gas mixture recovery method and device, the sulfur-bearing gas mixture that is mainly used in the processes such as, refining defeated to the collection of oil and products thereof, accumulating and sale is recycled, and removes sulfide wherein simultaneously.
Background technology
Contain a considerable amount of light components in oil and products thereof, as CH
4, C
2H
6, C
3H
8Deng.The data that the oil field provides shows that the quantity of crude oil Volatile Gas is quite huge, and national annual Volatile Gas total amount is at 1 * 109m
3More than, be about as much as one to two one-tenth that exploit total amount national natural gas year.If can all recycle these crude oil Volatile Gas, then can be for 1,000,000 uses of family more than 1 year, and they all are discharged in the air, slattern in vain, very unfortunate.It is estimated that China's gasoline volatilization total amount in 2004 surpasses 300,000 tons, is roughly equal to 1,500,000,000 yuans.
In crude oil transmission, accumulating and the sales process, can also volatilize low molecular organic and inorganic sulfide: H simultaneously
2S and methyl mercaptan, ethyl mercaptan etc. make crude oil produce a kind of very niff and have very strong toxicity, to crude oil store, canned and transportation bringing very big problem aspect ecological and the environmental protection.Sulfide is colourless gas at normal temperatures, and the intense stimulus smell is arranged; Inflammable, form explosive mixture with the air mixing energy, chance naked light, high heat energy cause combustion explosion; Sulfide is strong neurotoxic substance, and mucous membrane is had the intense stimulus effect, and acute sulfide is poisoned general morbidity rapidly, the clinical manifestation based on brain or respiratory system damage occurs, and central nervous system damage is the most common.Stipulate exhaust of oil concentration≤25g/m in the tail gas after the crude Treatment in the discharging standards
3, hydrogen sulfide emission concentration≤0.03mg/m
3, methyl mercaptan concentration of emission≤0.004g/m
3Require the current of more and more strictness at ecological, environmental protective, press for the sulfide in the crude oil Volatile Gas is handled.
Existing gas mixture recovery technology is divided 5 kinds of basic skills by its operation principle:
(1) condensation method: sulfide is based on hydrogen sulfide, methyl mercaptan and ethyl mercaptan, and wherein, the sulfide boiling point is-60.4 ℃, and the methyl mercaptan boiling point is 7.6 ℃, and the ethyl mercaptan boiling point is 36.2 ℃, when the oil gas deep cooling to-80 ℃ the time, sulfide can be condensed and remove.
(2) absorption process: hydrogen sulfide is polar molecule, water-soluble, ethanol, gasoline, kerosene, crude oil; Methyl mercaptan is water insoluble, is dissolved in ethanol, ether etc.; Ethyl mercaptan is slightly soluble in water, is dissolved in most organic solvents such as ethanol, ether.
(3) membrane separation process: embrane method is to utilize oil gas different with the infiltration rate of constituent of air in film, comes separation oil and gas and air.
(4) firing method: in combustion gasses, with the sulfide complete oxidation, generate SO
2, enter aftertreatment device or carry out by emission standard of air pollutants for boilers.
(5) absorption method: adopt adsorbent to reclaim oil gas.
But there are the following problems in above-mentioned 5 kinds of gas mixture recovery technologies:
1. condensation method has increased sulfide to an equipment corrosion difficult problem.
2. normally kerosene, diesel oil or special-purpose absorption liquid of the de-oiling gas absorption liquid that adopts of absorption process, it requires the concentration of hydrogen sulfide in gas to want high, and the words removal efficiency of low concentration is low.
3. in membrane separation process, the infiltration rate of gas is relevant to the separation factor of gas with membrane material, and the film that U.S. Goler company produces is 80-120 to the separation factor of hydrogen sulfide, and organic sulfur is not still had concrete separation factor value.Oil gas reclaims that requirement to membrane material has the resolution ratio height, pressure drop is little, difficulty is aging, cheap and easy to get etc., but does not still have the report for the membrane material of Oil-gas Separation than maturation at present.
4. firing method is only as a kind for the treatment of measures of controlling exhaust of oil, but can not reclaim oil product, thereby do not have economic benefit, generally do not adopt.
5. the adsorbent of absorption method oil gas recovery employing at present has certain selectivity to the composition of oil gas: require can not contain compositions such as benzene, MTBE, acetone, mercaptan in the oil gas, because these components can cause the very fast inefficacy of active carbon, cause absorption method that removing of sulphur-containing substance had certain limitation.
Summary of the invention
The object of the present invention is to provide a kind of sulfur-bearing gas mixture recovery method and device, de-oiling gas technology and desulfur technology are organically combined, solved the problem that the sulfur-bearing gas mixture is administered effectively, eliminated the stench in the fuel-air mixture, and recycled oil gas in the sulfur-bearing gas mixture, advanced the process of industrialization of petrochemical industry cleaning, safety.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of sulfur-bearing gas mixture recovery method may further comprise the steps:
(1) with sulfur-bearing gas mixture input adsorption tower, utilize adsorbents adsorb in the adsorption tower to remove oil gas in the mixture;
(2) remove sulfur-containing mixture behind the oil gas, enter desulfurizing tower, further remove the sulfide of carrying secretly in the mixture, the purified gas that removes behind the sulfide is discharged from the clean gas outlet at desulfurizing tower top;
(3) adsorbent of absorption oil-gas component enters vavuum pump in the adsorption tower, and desorb under the effect of vavuum pump, the oil-gas component that desorbs, enter the absorption tower, begin to reclaim oil gas under the absorbent effect in the absorption tower, absorbent enters the oil storage tank recycling after absorbing oil-gas component, and unabsorbed a small amount of oil gas returns adsorption tower and is recycled absorption;
Further, in the above-mentioned steps (1), described adsorbent is selected from a kind of in active carbon, NACF (ACF), Concave-convex clay rod, carbon molecular sieve, macroporous absorbent resin, vulcanized rubber or the organic copolymer etc.
The preferred active carbon of described adsorbent, it is the ature of coal column, activated carbon particle size≤6 orders, carbon tetrachloride percentage by weight 〉=80%, iodine sorption value 〉=1100mg/g active carbon, hardness 〉=95, humidity≤4%.The selected active carbon of the present invention is not subjected to the influence of sulfide to the absorption of oil-gas component, and sulfide there is not suction-operated, and described active carbon can not lose efficacy because containing sulfide in the inlet gas, satisfy adsorption tower outlet oil gas qualified discharge, guarantee that active carbon service life is in scope of design.
In the above-mentioned steps (2), be selected from a kind of in desulphurized aetivated carbon, activated alumina, silica gel, molecular sieve, synthetic zeolite or the zinc oxide in order to the material that removes sulfide in the described desulfurizing tower.
In order to the preferred desulphurized aetivated carbon of the material that removes sulfide, it is the ature of coal column in the described desulfurizing tower, wherein, and activated carbon particle size≤5mm, carbon tetrachloride weight percentage 〉=60%, hydrogen sulfide adsorption capacity 〉=0.14gH
2The S/cc active carbon, hardness 〉=95, humidity between 10%-15%, reaction heat≤45 ℃.The used desulphurized aetivated carbon of the present invention has very high adsorption capacity to materials such as the hydrogen sulfide that can't remove in the standard carbon, mercaptan, sulfur dioxide, chlorine, hydrogen chloride, can guarantee desulfurizing tower outlet sulfide qualified discharge fully.
In the above-mentioned steps (2), described absorbent is normally oil-poor, conventional absorbent in kerosene, diesel oil, special-purpose absorption liquid or other oil gas recovery technologies.
A kind of sulfur-bearing gas mixture retracting device of the present invention, it comprises: adsorption tower, be provided with sulfur-bearing gas mixture entrance, oil gas vent and sulfur-containing mixture outlet, and distinguish corresponding sulfur-bearing gas mixture inlet pipeline, oil gas vent pipeline, sulfur-containing mixture outlet conduit; Desulfurizing tower is provided with sulfur-containing mixture entrance and clean gas outlet; Wherein, the sulfur-containing mixture entrance of described desulfurizing tower is connected with the sulfur-containing mixture outlet conduit of described adsorption tower by pipeline; The absorption tower, be provided with the oil gas entrance, be not absorbed oil gas vent, absorbent entrance and oil-out, the oil gas entrance on described absorption tower is connected with the oil gas vent pipeline of described adsorption tower with vavuum pump by a pipeline, and the oil gas vent that is not absorbed on described absorption tower is connected with described adsorption tower sulfur-bearing gas mixture inlet duct by pipeline.
Further, the sulfur-bearing gas mixture entrance of described adsorption tower and oil gas vent are an opening, and relative set one shares pipeline, the oil gas vent pipeline that is not absorbed on former corresponding adsorption tower sulfur-bearing gas mixture entrance, oil gas vent pipeline and absorption tower is connected to this common conduit altogether, on sulfur-bearing gas mixture inlet pipeline and the oil gas vent pipeline control valve is set respectively.
Connect the ultrasonic gas flow transmitter that real-time monitoring oil gas concentration of component and flow are set in the oil and gas pipes of described adsorption tower sulfur-bearing gas mixture entrance again.
In addition, the gas transmitter that connects NMHC concentration in the sulfur-containing mixture that arranges in the pipeline of described adsorption tower sulfur-containing mixture outlet after real-time monitoring removes oil gas.
The analysis of total sulfur instrument of real-time monitoring sulfide concentration is set in the clean gas outlet pipeline of described desulfurizing tower.
Connect in the pipeline of described adsorption tower sulfur-bearing gas mixture inlet duct, sulfur-containing mixture outlet conduit and described desulfurizing tower clean gas outlet and be equipped with spark arrester.
Described adsorption tower bottom, oil gas vent, pipeline are provided with leakage fluid dram; Described ultrasonic gas flow transmitter leading portion is provided with leakage fluid dram.
Described adsorption tower arranges 2, an absorption, and another desorb is alternately switched and is used; Described desulfurizing tower arranges 2, and one opens one is equipped with.
After testing, by the inventive method, the sulfur-bearing gas mixture behind adsorption tower absorption de-oiling gas, exhaust of oil concentration≤10g/m
3Behind the desulfurizing tower adsorption desulfurize, hydrogen sulfide and methyl mercaptan reach zero-emission in the desulfurizing tower outlet.
Major advantage of the present invention is:
1, existing oil-gas recovery method does not consider all that except absorption method sulfide to the influence of removal process, does not remove sulfide.The present invention organically combines de-oiling gas technology and desulfur technology, efficiently solve the problem that removes of oil gas and sulfide in the fuel-air mixture, solved the environmental pollution difficult problem that sulfide brings, the tail gas after the processing reaches discharging standards, has the advantage of energy-conserving and environment-protective.Simultaneously can not corrosiveness be arranged to equipment, require the cost of investment can not be too high, easy and simple to handle,
2, the active carbon that the oil gas adsorbent is selected for use in the prior art, require to contain compositions such as benzene, MTBE, acetone, mercaptan in the oil gas, the existence of these components, make active carbon that charing, coking, polymerization take place under the effect of high heat of adsorption, the part chemisorbed occurs, fill out the active carbon effective apearture, can't holomorphosis, thereby cause the circulation adsorption rate to reduce, directly influence the service life of active carbon.
The selected oil gas adsorbent-active carbon of the present invention does not have suction-operated to sulfide, can phenomenons such as carbonization, coking or polymerization not take place because containing impurity sulfide in the gas mixture, thereby guarantee the service life of active carbon.
3, oil gas is reclaimed in the sustainable circulation of the present invention, has significant environmental benefit and economic benefit.
4, the present invention is simple to operate, security good.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention.
The specific embodiment
Further set forth the present invention below in conjunction with specific embodiment.But embodiment only is used for explanation the present invention and does not constitute limitation of the scope of the invention.The experimental technique of unreceipted actual conditions in the following example, usually according to normal condition, or the condition of advising according to manufacturer.
Referring to Fig. 1, sulfur-bearing gas mixture retracting device of the present invention comprises:
Adsorption tower 1,1 ' (is example with adsorption tower 1, adsorption tower 1 ' configuration is identical, during adsorption tower 1 absorption, adsorption tower 1 ' desorb), be provided with sulfur-bearing gas mixture entrance 101, sulfur-containing mixture outlet 102 and oil gas vent 103, and distinguish corresponding sulfur-bearing gas mixture inlet pipeline 11, sulfur-containing mixture outlet conduit 12, oil gas vent pipeline 13;
Desulfurizing tower 2,2 ' (be example with desulfurizing tower 2, desulfurizing tower 2 ' is standby) is provided with sulfur-containing mixture entrance 21 and clean gas outlet 22; Wherein, the sulfur-containing mixture entrance 21 of described desulfurizing tower is connected with the sulfur-containing mixture outlet conduit 12 of described adsorption tower by pipeline;
Absorption tower 3, be provided with oil gas entrance 31, be not absorbed oil gas vent 32, absorbent entrance 33 and oil-out 34, the oil gas entrance 31 on described absorption tower 3 is connected with the oil gas vent pipeline 13 of described adsorption tower 1 with vavuum pump 4 by a pipeline, and the oil gas vent 32 that is not absorbed on described absorption tower 3 is connected with the sulfur-bearing gas mixture inlet pipeline 11 of described adsorption tower 1 by pipeline 15.
The gas transmitter 7 that connects NMHC concentration in the sulfur-containing mixture that arranges in the described adsorption tower 1 sulfur-containing mixture outlet conduit 12 after real-time monitoring removes oil gas.
Connect in the pipeline of described adsorption tower 1 sulfur-bearing gas mixture entrance, sulfur-containing mixture outlet conduit and described desulfurizing tower 2 clean gas outlets and be equipped with spark arrester 6,6 ', 6 ".
In the present embodiment, the sulfur-bearing gas mixture entrance 101 of described adsorption tower 1 and oil gas vent 103 are an opening, and relative set one shares pipeline 14, former corresponding adsorption tower sulfur-bearing gas mixture entrance 101, oil gas vent 103 and absorption tower are not absorbed oil gas vent pipeline 15 and are connected to this common conduit 14 altogether, on sulfur-bearing gas mixture inlet pipeline 11 and the oil gas vent pipeline 13 control valve is set respectively, opens and closes by those control valves and realize the turnover of switching controls adsorption tower 1 oil gas.
Sulfur-bearing gas mixture inlet pipeline 11 is provided with ultrasonic gas flow transmitter 5 and spark arrester 6, and sulfur-containing mixture outlet conduit 12 is provided with gas transmitter 7 and spark arrester 6 '; Desulfurizing tower 2 clean gas outlets 21 pipelines are provided with analysis of total sulfur instrument 8 and spark arrester 6 ".
Described ultrasonic gas flow transmitter 5 leading portions are provided with leakage fluid dram.Described adsorption tower bottom, oil gas vent, pipeline are provided with leakage fluid dram.
The used appointed condition of present embodiment is as follows:
1, adsorption tower: the oil gas adsorption section adopts 2 adsorption towers (adsorption tower 1 and 1 ').Adsorption tower diameter 2.4m, height 5.9m.Selecting active carbon for use is the ature of coal column, and particle diameter is 3mm, carbon tetrachloride percentage by weight 100%, and iodine sorption value 1200mg/g active carbon humidity is not more than 4%, and hardness is not less than 95.The total consumption of active carbon is 13.5t, and active-carbon bed 15min switches once.
2, desulfurizing tower: adopt 2 desulfurizing towers (desulfurizing tower 2 and 2 '), desulfurizing tower 2 ' is standby, changes desulphurized aetivated carbon once in 1 year.The desulfurizing tower diameter is 2.0m, and desulphurized aetivated carbon carbon bed effective depth is 4m.This active carbon is the ature of coal column, and activated carbon particle size is 4mm, and the carbon tetrachloride percentage by weight is not less than 60%, and humidity is not more than 15%, and hardness is not less than 95, and the hydrogen sulfide adsorption capacity is 0.14gH
2The S/cc active carbon.Separate unit desulfurizing tower desulphurized aetivated carbon consumption is 6.3t.
3, absorption tower: an absorption tower 3, diameter are 1.5m, highly are 7.02m.
4, vavuum pump: adopt 1 NC2000 vavuum pump 4.
Sulfur-bearing gas mixture recovery method of the present invention comprises the steps:
(1) will receive and dispatch hydrocarbon, air, the steam that consists of C1 to C8 that contains that produces in the oily process, the sulfur-bearing gas mixture of hydrogen sulfide, methyl mercaptan, ethyl mercaptan etc. (wherein, the content of oil gas is 40% (v/v), sulfide content is 80ppm, operating temperature is-26～150 ℃, operating pressure is-0.1～0.15MPa) input adsorption tower 1, utilize the oil gas in the activated carbon of sorbent adsorbing and removing mixture, therebetween, the flow of ultrasonic gas flow transmitter 5 detection sulfur-bearing gas mixtures is Q=900m
3/ h, gas transmitter 7 detect NMHC concentration in the sulfur-containing mixture that removes behind the oil gas;
(2) sulfur-containing mixture that removes behind the oil gas is discharged through the sulfur-containing mixture outlet 102 of adsorption tower 1, enter desulfurizing tower 2 from sulfur-containing mixture entrance 21, and under the effect of adsorbent desulphurized aetivated carbon, further remove the sulfide of carrying secretly in the mixture, the purified gas that removes behind the sulfide is discharged from clean gas outlet 22, detect total sulphur concentration in the purified gas that removes behind the sulfide by analysis of total sulfur instrument 8 therebetween;
(3) adsorbent of absorption oil-gas component enters vavuum pump 4 through the oil gas vent 103 of adsorption tower in the adsorption tower 1, and desorb under the effect of vavuum pump 4, and the oil-gas component that desorbs enters absorption tower 3 through oil-feed gas entrance 31; Oil-poorly enter the absorption tower as absorbent through absorbent entrance 33; Begin to reclaim oil gas under the oil-poor effect of absorbent, form rich oil behind the oil-poor absorption oil-gas component of absorbent, enter oil storage tank through oil-out 34 and recycle, wherein, a small amount of oil gas of generation returns adsorption tower 1 and is recycled absorption.
The concentration of emission of table 1 embodiment and discharging standards
| Oil-gas component (g/m 3) | Hydrogen sulfide (mg/m 3) | Methyl mercaptan (mg/m 3) | |
| Embodiment 1 | 10 | 0 | 0 |
| Discharging standards | ≤25 | ≤0.03 | ≤0.004 |
From above-described embodiment and table 1 as can be seen, adopt sulfur-bearing gas mixture recovery method of the present invention, the sulfur-bearing gas mixture behind adsorption tower absorption de-oiling gas, NMHC≤10g/m wherein
3, behind desulfurizing tower, sulfur vulcanization hydrogen and methyl mercaptan reach zero-emission in the sulfide, reach discharging standards fully.
Can also find out obviously that from above-described embodiment the present invention not only can remove entrained oil gas in the fuel-air mixture, can also remove sulfide, the stench of mixture is reduced greatly, solve the environmental pollution difficult problem that sulfide brings, have the advantage of energy-conserving and environment-protective.
The above only is preferred embodiment of the present invention.It is to be noted, the type of adsorption tower, desulfurizing tower, absorption tower, vavuum pump, specification, design parameter, be not limited to the record of above-described embodiment, the user is using production occasion and processing to need at difference, when using retracting device of the present invention and method, can be according to different actual conditions (as the type of gas mixture, character, treating capacity etc.), change the type, design parameter of adsorption tower, desulfurizing tower, absorption tower, vavuum pump etc.Those skilled in the art in field of the present invention, according to disclosed technology contents, can think easily and equivalence change, all should belong to protection category of the present invention.
Claims (9)
1. sulfur-bearing gas mixture recovery method may further comprise the steps:
1) with sulfur-bearing gas mixture input adsorption tower, utilize adsorbents adsorb in the adsorption tower to remove oil gas in the sulfur-bearing gas mixture; Described adsorbent is a kind of in active carbon, NACF, Concave-convex clay rod, carbon molecular sieve, macroporous absorbent resin, vulcanized rubber or the organic copolymer; Wherein, described active carbon is the ature of coal column, wherein, and activated carbon particle size≤6 orders, carbon tetrachloride percentage by weight 〉=80%, iodine sorption value 〉=1100mg/g active carbon, hardness 〉=95, humidity≤4%;
2) remove sulfur-containing mixture behind the oil gas, enter desulfurizing tower, further remove the sulfide of carrying secretly in the sulfur-containing mixture, the purified gas that removes behind the sulfide is discharged from the clean gas outlet at desulfurizing tower top; Be a kind of in desulphurized aetivated carbon, activated alumina, silica gel, molecular sieve, synthetic zeolite or the zinc oxide in order to the material that removes sulfide in the described desulfurizing tower; Wherein, described desulphurized aetivated carbon, it is the ature of coal column, wherein, activated carbon particle size≤5mm, carbon tetrachloride weight percentage 〉=60%, hydrogen sulfide adsorption capacity 〉=0.14gH
2The S/cc active carbon, hardness 〉=95, humidity between 10%-15%, reaction heat≤45 ℃;
3) adsorption tower begins desorb under the effect of vavuum pump, the oil-gas component that desorbs enters the absorption tower, reclaims oil gas under the effect of absorbent in the absorption tower, absorbent enters the oil storage tank recycling after absorbing oil-gas component, and unabsorbed a small amount of oil gas returns adsorption tower and is recycled absorption.
2. a sulfur-bearing gas mixture retracting device is characterized in that, comprising:
Adsorption tower is provided with sulfur-bearing gas mixture entrance, oil gas vent and sulfur-containing mixture outlet, and distinguishes corresponding sulfur-bearing gas mixture inlet pipeline, oil gas vent pipeline, sulfur-containing mixture outlet conduit;
Desulfurizing tower is provided with sulfur-containing mixture entrance and clean gas outlet; Wherein, the sulfur-containing mixture entrance of described desulfurizing tower is connected with the sulfur-containing mixture outlet conduit of described adsorption tower by pipeline;
The absorption tower, be provided with the oil gas entrance, be not absorbed oil gas vent, absorbent entrance and oil-out, the oil gas entrance on described absorption tower is connected with the oil gas vent pipeline of described adsorption tower with vavuum pump by a pipeline, and the oil gas vent that is not absorbed on described absorption tower is connected with described adsorption tower sulfur-bearing gas mixture inlet duct by pipeline.
3. sulfur-bearing gas mixture retracting device as claimed in claim 2, it is characterized in that, the sulfur-bearing gas mixture entrance of described adsorption tower and oil gas vent are an opening, and relative set one shares pipeline, the oil gas vent pipeline that is not absorbed on former corresponding adsorption tower sulfur-bearing gas mixture entrance, oil gas vent pipeline and absorption tower is connected to this common conduit altogether, on sulfur-bearing gas mixture inlet pipeline and the oil gas vent pipeline control valve is set respectively.
4. sulfur-bearing gas mixture retracting device as claimed in claim 2 is characterized in that, connects the ultrasonic gas flow transmitter that real-time monitoring oil gas concentration of component and flow are set in the oil and gas pipes of described adsorption tower sulfur-bearing gas mixture entrance.
5. sulfur-bearing gas mixture retracting device as claimed in claim 2 is characterized in that, connects the gas transmitter of NMHC concentration in the sulfur-containing mixture that arranges in the pipeline of described adsorption tower sulfur-containing mixture outlet after real-time monitoring removes oil gas.
6. sulfur-bearing gas mixture retracting device as claimed in claim 2 is characterized in that, the analysis of total sulfur instrument of real-time monitoring sulfide concentration is set in the clean gas outlet pipeline of described desulfurizing tower.
7. sulfur-bearing gas mixture retracting device as claimed in claim 2 is characterized in that, connects in the pipeline of described adsorption tower sulfur-bearing gas mixture inlet duct, sulfur-containing mixture outlet conduit and described desulfurizing tower clean gas outlet to be equipped with spark arrester.
8. sulfur-bearing gas mixture retracting device as claimed in claim 2 is characterized in that, described adsorption tower bottom, oil gas vent, pipeline are provided with leakage fluid dram.
9. sulfur-bearing gas mixture retracting device as claimed in claim 4 is characterized in that, described ultrasonic gas flow transmitter leading portion is provided with leakage fluid dram.
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| CN102764562B (en) * | 2012-07-27 | 2015-07-29 | 海湾环境科技（北京）股份有限公司 | Absorption type oil gas recovery processing system and recovery processing technique thereof |
| CN102908874A (en) * | 2012-10-22 | 2013-02-06 | 中国石油化工股份有限公司 | Method for comprehensive treatment of waste gases |
| CN103861425A (en) * | 2012-12-18 | 2014-06-18 | 上海神明控制工程有限公司 | Method and device for recovery processing of tribenzene vapor and oil-gas mixture |
| CN110157465A (en) * | 2018-01-26 | 2019-08-23 | 山东星火科学技术研究院 | A kind of efficient absorption desulphurization plant for crude oil |
| CN110157475A (en) * | 2018-01-26 | 2019-08-23 | 山东星火科学技术研究院 | A kind of absorption desulphurization plant for gasoline naphtha |
| CN109060590B (en) * | 2018-10-19 | 2021-02-05 | 河南理工大学 | System and method for measuring content of hydrogen sulfide gas in coal seam |
| CN115141648A (en) * | 2022-06-29 | 2022-10-04 | 上海冠卓企业发展有限公司 | Oil gas recovery system and method |
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