CN102658009A - On-line hydrogen sulfide removing and recycling device of waste lubricating oil regeneration distillation tail gas - Google Patents

On-line hydrogen sulfide removing and recycling device of waste lubricating oil regeneration distillation tail gas Download PDF

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Publication number
CN102658009A
CN102658009A CN2012101458836A CN201210145883A CN102658009A CN 102658009 A CN102658009 A CN 102658009A CN 2012101458836 A CN2012101458836 A CN 2012101458836A CN 201210145883 A CN201210145883 A CN 201210145883A CN 102658009 A CN102658009 A CN 102658009A
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CN
China
Prior art keywords
tail gas
amine liquid
distillation
phase separation
gas pipeline
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CN2012101458836A
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Chinese (zh)
Inventor
陈会明
Original Assignee
辽宁留德润滑油有限公司
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Application filed by 辽宁留德润滑油有限公司 filed Critical 辽宁留德润滑油有限公司
Priority to CN2012101458836A priority Critical patent/CN102658009A/en
Publication of CN102658009A publication Critical patent/CN102658009A/en

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Abstract

The invention discloses an on-line hydrogen sulfide removing and recycling device of waste lubricating oil regeneration distillation tail gas. The on-line hydrogen sulfide removing and recycling device comprises a reduced pressure distillation three-phase separation tank tail gas pipeline and a reduced pressure distillation wastewater tower top tail gas pipeline, and/or an engler distillation three-phase separation tank tail gas pipeline and an engler distillation wastewater tower top tail gas pipeline, wherein the reduced pressure distillation three-phase separation tank tail gas pipeline and the reduced pressure distillation wastewater tower top tail gas pipeline are connected with a reduced pressure distillation three-phase separation tank and a reduced pressure distillation wastewater tower; the engler distillation three-phase separation tank tail gas pipeline and the engler distillation wastewater tower top tail gas pipeline are ocnencted with an engler distillation three-phase separation tank and an engler distillation wastewater tower; the pipelines are connected with an amine liquid and tail gas separation tank for separating amine liquid from tail gas; an amine liquid atomization nozzles are arranged in the pipelines respectively; the upper part of the amine liquid and tail gas separation tank is provided with a tail gas outlet; the tail gas outlet is connected with a gas inlet through a natural gas ejector and a heating furnace gas liquid separation tank; and a gas outlet of the heating furnace gas liquid separation tank is connected with a fuel gas mixture combustion furnace. According to the hydrogen sulfide removing and recycling device using the structure, the hydrogen sulfide in the tail gas of the pipelines can be removed on line, and the tail gas from which the hydrogen sulfide is removed can also be pressurized and recycled.

Description

Online hydrogen sulfide and the recycle device of removing of waste lubricant oil regeneration distillation tail gas
Technical field
The present invention relates to a kind of online device that removes hydrogen sulfide in the pipeline gas, especially relate to the distillation of a kind of waste lubricant oil regeneration tail gas is online and remove hydrogen sulfide and the recycle device that boosts.
Background technology
Waste lubricant oil regeneration; Turn waste into wealth; It is a cause of benefiting the nation and the people that waste oil is converted into available lubricating oil through technical matters, to preserving the ecological environment, safeguard health of the masses, practice thrift petroleum resources, reducing the dependence to Imported oil, has immeasurable realistic meaning.
In the production process of the distilling apparatus (vacuum distillation apparatus or Engler distillation device) of waste lubricant oil regeneration; Part sulfide in the waste lubricating oil that reclaims (general sulfur content is about 0.6%) changes into hydrogen sulfide under hot conditions; Be present in (the three phase separation tank deck tail gas of the three phase separation tank deck tail gas of vacuum distillation apparatus and wastewater tower top tail gas knockout drum tail gas, Engler distillation device and wastewater tower top tail gas knockout drum tail gas) in vacuum distillation apparatus and the Engler distillation device exhaust; Hydrogen sulfide content up to several ten thousand~hundreds of thousands ppm (v); Generally adopt sky emptying at present; Or do not take the depriving hydrogen sulphide measure just directly to get into the special-purpose low-pressure fuel gas burner combustion of heating furnace (lean on the negative pressure in the heating furnace to introduce, be prone to fluctuation, fluctuation of service and dangerous).Hydrogen sulfide has corrosivity, and moist hydrogen sulfide is very big to corrosion of Carbon Steel property; Hydrogen sulfide has extremely strong toxic, can produce plant area's stench phenomenon to the sky discharging, is threatening personal safety and device safety in production; In the stove internal combustion, boiler tube and body of heater are all produced certain corrosivity without the tail gas of depriving hydrogen sulphide, the sulfur dioxide that the burning back generates also will cause environmental pollution to atmosphere, also not have onlinely to remove at present the equipment or the device of hydrogen sulfide.
Summary of the invention
The technical problem that the present invention will solve provides online hydrogen sulfide and the recycle device of removing of a kind of waste lubricant oil regeneration distillation tail gas.
For solving the problems of the technologies described above; Online hydrogen sulfide and the recycle device of removing of a kind of waste lubricant oil regeneration distillation tail gas of the present invention; Comprise decompression distillation three phase separation jar tail gas pipeline, decompression distillation wastewater tower top tail gas pipeline that links to each other with decompression distillation three phase separation jar, decompression distillation waste water tower and/or Engler distillation three phase separation jar tail gas pipeline, the Engler distillation wastewater tower top tail gas pipeline that links to each other with Engler distillation three phase separation jar, Engler distillation waste water tower; Described decompression distillation three phase separation jar tail gas pipeline, decompression distillation wastewater tower top tail gas pipeline and/or Engler distillation three phase separation jar tail gas pipeline, Engler distillation wastewater tower top tail gas pipeline are connected with the amine liquid tail gas knockout drum that is used for separation of amine liquid and tail gas; This amine liquid tail gas knockout drum is connected with the tank level control system that is used to control jar interior liquid level; This tank level control system links to each other with amine liquid Liquid level adjusting valve; One end of this amine liquid Liquid level adjusting valve links to each other with poor amine liquid holding vessel through pipeline, and the other end links to each other with amine liquid tail gas knockout drum through pipeline; In described decompression distillation three phase separation jar tail gas pipeline, decompression distillation wastewater tower top tail gas pipeline and/or Engler distillation three phase separation jar tail gas pipeline, the Engler distillation wastewater tower top tail gas pipeline amine liquid atomizer is housed respectively; Each amine liquid atomizer is connected with the amine flow quantity respectively and regulates the hand valve, and the amine flow quantity is regulated the hand valve and linked to each other with the amine liquid refluxing opening of said amine liquid tail gas knockout drum through the amine liquid pump; Said amine liquid pump links to each other with rich amine liquid holding vessel through amine liquid control valve; The top of said amine liquid tail gas knockout drum is provided with the tail gas outlet, and this tail gas outlet divides the air inlet of flow container to link to each other through natural gas injector and heating furnace gas, and this heating furnace gas divides the gas outlet of flow container to link to each other with the fuel mixture combustion furnace.
Online hydrogen sulfide and the recycle device of removing of waste lubricant oil regeneration distillation tail gas that adopts said structure to form; Owing in described decompression distillation three phase separation jar tail gas pipeline, decompression distillation wastewater tower top tail gas pipeline and/or Engler distillation three phase separation jar tail gas pipeline, the Engler distillation wastewater tower top tail gas pipeline amine liquid atomizer is housed respectively; Each amine liquid atomizer is connected with the amine flow quantity respectively and regulates the hand valve; The amine flow quantity is regulated the hand valve and is linked to each other with the amine liquid refluxing opening of said amine liquid tail gas knockout drum through the amine liquid pump, and the amine liquid and the hydrogen sulfide in the tail gas that therefore eject through amine liquid atomizer carry out chemical reaction and then removes the hydrogen sulfide gas in the tail gas; Because the top of said amine liquid tail gas knockout drum is provided with the tail gas outlet; This tail gas outlet divides the air inlet of flow container to link to each other through natural gas injector and heating furnace gas; This heating furnace gas divides the gas outlet of flow container to link to each other with the fuel mixture combustion furnace, so the tail gas that removes behind the hydrogen sulfide can obtain the recycling of boosting.
Description of drawings
Below in conjunction with accompanying drawing the present invention is done to specify further.
Fig. 1 is that the online structure that removes hydrogen sulfide and recycle device of waste lubricant oil regeneration distillation tail gas of the present invention is formed sketch map.
The specific embodiment
Referring to Fig. 1; Online hydrogen sulfide and the recycle device of removing of a kind of waste lubricant oil regeneration distillation tail gas of the present invention; Comprise decompression distillation three phase separation jar tail gas pipeline 10, decompression distillation wastewater tower top tail gas pipeline 11 that links to each other with decompression distillation three phase separation jar, decompression distillation waste water tower and/or Engler distillation three phase separation jar tail gas pipeline 12, the Engler distillation wastewater tower top tail gas pipeline 13 that links to each other with Engler distillation three phase separation jar, Engler distillation waste water tower; Described decompression distillation three phase separation jar tail gas pipeline 10, decompression distillation wastewater tower top tail gas pipeline 11 and/or Engler distillation three phase separation jar tail gas pipeline 12, Engler distillation wastewater tower top tail gas pipeline 13 are connected with the amine liquid tail gas knockout drum 20 that is used for separation of amine liquid and tail gas; This amine liquid tail gas knockout drum 20 is connected with the tank level control system 21 that is used to control jar interior liquid level; This tank level control system 21 links to each other with amine liquid Liquid level adjusting valve 22; One end of this amine liquid Liquid level adjusting valve 22 links to each other with poor amine liquid holding vessel 23 through pipeline, and the other end links to each other with amine liquid tail gas knockout drum 20 through pipeline; In described decompression distillation three phase separation jar tail gas pipeline 10, decompression distillation wastewater tower top tail gas pipeline 11 and/or Engler distillation three phase separation jar tail gas pipeline 12, the Engler distillation wastewater tower top tail gas pipeline 13 amine liquid atomizer 30 is housed respectively; Each amine liquid atomizer 30 is connected with the amine flow quantity respectively and regulates hand valve 31, and the amine flow quantity is regulated hand valve 31 and linked to each other with the amine liquid refluxing opening 24 of said amine liquid tail gas knockout drum 20 through amine liquid pump 32; Said amine liquid pump 32 links to each other with rich amine liquid holding vessel 34 through amine liquid control valve 33; The top of said amine liquid tail gas knockout drum 20 is provided with tail gas outlet 25, and this tail gas outlet 25 divides the air inlet of flow container 41 to link to each other through natural gas injector 40 and heating furnace gas, and this heating furnace gas divides the gas outlet of flow container 41 to link to each other with fuel mixture combustion furnace 42.
Said amine liquid atomizer 30 can be designed to flanged (FLGD) threeway parts, convenient for maintaining and replacing fast, and amine liquid atomized spray direction is designed to gas flow consistent, to reduce resistance drop.Four remove be entrained with amine liquid behind the hydrogen sulfide tail gas respectively under flow velocity, gravity and differential pressure action, flow to amine liquid tail gas knockout drum 20 certainly.Drop carries out natural subsidence in amine liquid tail gas knockout drum 20 separates; On the amine liquid tail gas knockout drum 20 tank level control system 21 is installed; Amine liquid Liquid level adjusting valve 22 on the control amine liquid inlet duct; Automatically control with control amine liquid tail gas knockout drum 20 liquid levels, guarantees amine liquid demand and gas-liquid separation desired gas space from the amine liquid measure of poor amine liquid holding vessel 23.
Amine liquid pump 32 provides the amine flow quantity to regulate hand valve 31 upstream pressures, guarantees the pressure that amine liquid atomizer 30 emitted doses and the atomizing of amine liquid need.Amine liquid pump 32 also boosts amine liquid and delivers to rich amine liquid holding vessel 23 simultaneously.
The present invention utilizes 400~500kPa that pressure is in the system pipe network (cutting off) natural gas as working fluid, adopts the tail gas after purifying in the natural gas injector 40 injection amine liquid tail gas knockout drums 20.After tail gas after the purification mixes, boosts with natural gas through natural gas injector 40, get into heating furnace gas and divide flow container 41, laggard fuel mixture combustion furnace 42 burnings of separatory.

Claims (1)

1. a waste lubricant oil regeneration distills online hydrogen sulfide and the recycle device of removing of tail gas; Comprise decompression distillation three phase separation jar tail gas pipeline (10), decompression distillation wastewater tower top tail gas pipeline (11) and/or the Engler distillation three phase separation jar tail gas pipeline (12) that links to each other with Engler distillation three phase separation jar, Engler distillation waste water tower, the Engler distillation wastewater tower top tail gas pipeline (13) that link to each other with decompression distillation three phase separation jar, decompression distillation waste water tower; It is characterized in that: described decompression distillation three phase separation jar tail gas pipeline (10), decompression distillation wastewater tower top tail gas pipeline (11) and/or Engler distillation three phase separation jar tail gas pipeline (12), Engler distillation wastewater tower top tail gas pipeline (13) are connected with the amine liquid tail gas knockout drum (20) that is used for separation of amine liquid and tail gas; This amine liquid tail gas knockout drum (20) is connected with the tank level control system (21) that is used to control jar interior liquid level; This tank level control system (21) links to each other with amine liquid Liquid level adjusting valve (22); One end of this amine liquid Liquid level adjusting valve (22) links to each other with poor amine liquid holding vessel (23) through pipeline, and the other end links to each other with amine liquid tail gas knockout drum (20) through pipeline; In described decompression distillation three phase separation jar tail gas pipeline (10), decompression distillation wastewater tower top tail gas pipeline (11) and/or Engler distillation three phase separation jar tail gas pipeline (12), the Engler distillation wastewater tower top tail gas pipeline (13) amine liquid atomizer (30) is housed respectively; Each amine liquid atomizer (30) is connected with the amine flow quantity respectively and regulates hand valve (31), and the amine flow quantity is regulated hand valve (31) and linked to each other with the amine liquid refluxing opening (24) of said amine liquid tail gas knockout drum (20) through amine liquid pump (32); Said amine liquid pump (32) links to each other with rich amine liquid holding vessel (34) through amine liquid control valve (33); The top of said amine liquid tail gas knockout drum (20) is provided with tail gas outlet (25); This tail gas outlet (25) divides the air inlet of flow container (41) to link to each other through natural gas injector (40) and heating furnace gas, and this heating furnace gas divides the gas outlet of flow container (41) to link to each other with fuel mixture combustion furnace (42).
CN2012101458836A 2012-05-12 2012-05-12 On-line hydrogen sulfide removing and recycling device of waste lubricating oil regeneration distillation tail gas CN102658009A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019212435A1 (en) * 2017-12-26 2019-11-07 Turkiye Petrol Rafinerileri Anonim Sirketi Tupras An off-gas usage system and a method thereof
RU2712025C1 (en) * 2019-10-23 2020-01-24 Акционерное общество "Интер РАО - Электрогенерация" Apparatus for regenerating used lubricating oils with high operating parameters

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1539936A (en) * 2003-04-26 2004-10-27 荆门石油化工设计院 Technique for regenerating waste lubricating oil
CN101070507A (en) * 2007-06-05 2007-11-14 天津新膜科技有限责任公司 Regeneration method for waste lubricant and apparatus
CN101818096A (en) * 2010-04-20 2010-09-01 上海通凌新能源科技发展有限公司 Recovery system for reclaimed lubricating distillate oil and recovery processing method
CN101862578A (en) * 2010-02-11 2010-10-20 安庆实华工程设计有限责任公司 Three-top gas online desulphurization and pressurizing utilization method of atmospheric and vacuum distillation unit
CN101987722A (en) * 2009-07-31 2011-03-23 陈群 Hydrofined gas on-line desulfurization and utilization process
CN202555167U (en) * 2012-05-12 2012-11-28 辽宁留德润滑油有限公司 Online hydrothion-desorption, recycle and utilization device of waste lubricating oil regenerative distillated tail gas

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1539936A (en) * 2003-04-26 2004-10-27 荆门石油化工设计院 Technique for regenerating waste lubricating oil
CN101070507A (en) * 2007-06-05 2007-11-14 天津新膜科技有限责任公司 Regeneration method for waste lubricant and apparatus
CN101987722A (en) * 2009-07-31 2011-03-23 陈群 Hydrofined gas on-line desulfurization and utilization process
CN101862578A (en) * 2010-02-11 2010-10-20 安庆实华工程设计有限责任公司 Three-top gas online desulphurization and pressurizing utilization method of atmospheric and vacuum distillation unit
CN101818096A (en) * 2010-04-20 2010-09-01 上海通凌新能源科技发展有限公司 Recovery system for reclaimed lubricating distillate oil and recovery processing method
CN202555167U (en) * 2012-05-12 2012-11-28 辽宁留德润滑油有限公司 Online hydrothion-desorption, recycle and utilization device of waste lubricating oil regenerative distillated tail gas

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019212435A1 (en) * 2017-12-26 2019-11-07 Turkiye Petrol Rafinerileri Anonim Sirketi Tupras An off-gas usage system and a method thereof
RU2712025C1 (en) * 2019-10-23 2020-01-24 Акционерное общество "Интер РАО - Электрогенерация" Apparatus for regenerating used lubricating oils with high operating parameters

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