CN110157512A - A kind of processing unit and method of the device in Gas that PETROLEUM PROCESSING generates - Google Patents
A kind of processing unit and method of the device in Gas that PETROLEUM PROCESSING generates Download PDFInfo
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- CN110157512A CN110157512A CN201910569275.XA CN201910569275A CN110157512A CN 110157512 A CN110157512 A CN 110157512A CN 201910569275 A CN201910569275 A CN 201910569275A CN 110157512 A CN110157512 A CN 110157512A
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- gas
- tower
- outlet
- desulfurization
- atmospheric
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Classifications
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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
- B01D53/1425—Regeneration of liquid absorbents
-
- 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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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/08—Production of synthetic natural gas
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/102—Removal of contaminants of acid contaminants
- C10L3/103—Sulfur containing contaminants
-
- 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
- B01D2252/20—Organic absorbents
- B01D2252/204—Amines
- B01D2252/20478—Alkanolamines
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The present invention relates to a kind of processing unit for the device in Gas that PETROLEUM PROCESSING generates, including Atmospheric vacuum unit, Atmospheric vacuum unit includes primary distillation tower, atmospheric tower and reduced vacuum pump, and the outlet of three towers interconnects and accumulates exhaust pipe；The first evacuation is arranged in the outlet of fore-running tower top and Atmospheric Tower, and the second evacuation is arranged in the outlet of reduced vacuum pump；It further include desulphurization system, desulphurization system is arranged on exhaust pipe, desulphurization system includes digester and amine liquid pump, contain desulfurization medium in digester, desulfurization medium is recycled by amine liquid pump, phase change occurs with three tower top device in Gas and replaces contact desulfuriation, device in Gas a part after desulfurization is used as natural gas, another part enters heating furnace.And provide the application method of above-mentioned apparatus, device in Gas is subjected to desulfurization by processing unit, device in Gas after desulfurization can be used for the clean fuel burning of heating furnace, which can effectively solve tower top device in Gas sulfur content height, sulfur-containing smoke gas enters the problem of atmosphere causes environmental pollution.
Description
Technical field
The present invention relates to device in Gas processing technology fields, and in particular to a kind of processing dress for the device in Gas that PETROLEUM PROCESSING generates
It sets and method.
Background technique
With the open crude oil quota of country, light crude oil enters the Atmospheric vacuum unit in petrochemical industry processing.For normal
Three tower top of decompressing unit does not coagulate a great problem for being treated as major refinery of device in Gas, petrochemical industry institute under current Environmental Protection Situation
It is clean fuel with heating furnace -- natural gas.Especially for the Atmospheric vacuum processing workshop of no tower top gas gas recovering device
For, the whereabouts of the not solidifying device in Gas of tower top becomes a great problem of device production, and tower top device in Gas sulfur content is high, is directly entered and adds
Hot stove can cause very big corrosion to air supply system, pre-heating system and smoke evacuation system, and the sulphur of personnel is easily caused in regular job
Poisoning, the sulfur content for discharging flue gas can also pollute atmosphere.Sulfur-containing smoke gas enters atmosphere and causes environmental pollution, so for Atmospheric vacuum
The device in Gas of three tower tops must carry out unified recycling desulfurization in device, enter heating furnace substitution as clear energy sources after desulfurization and add
Hot stove gas consumption reaches energy-saving effect.
Summary of the invention
The object of the present invention is to provide the processing units and method of the device in Gas that a kind of PETROLEUM PROCESSING generates, can effectively solve
Certainly the height of tower top device in Gas sulfur content present in background technique, sulfur-containing smoke gas enter the problem of atmosphere causes environmental pollution.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of processing unit for the device in Gas that PETROLEUM PROCESSING generates, including Atmospheric vacuum unit, the Atmospheric vacuum unit include
Primary distillation tower, atmospheric tower and reduced vacuum pump, the outlet of fore-running tower top, the outlet of Atmospheric Tower and the outlet of reduced vacuum pump are mutual
It is connected and accumulates exhaust pipe, torch and gas separation unit processing is led in the end of exhaust pipe；The outlet of fore-running tower top and often
The outlet of pressure tower top is provided with the first evacuation for pressurization, and the outlet of reduced vacuum pump is provided with takes out for the second of pressurization
Pocket；The processing unit for the device in Gas that the PETROLEUM PROCESSING generates further includes desulphurization system, and the desulphurization system setting is being vented
Guan Shang, the desulphurization system include digester and amine liquid pump, desulfurization medium are contained in the digester, desulfurization medium passes through amine liquid
Pump is recycled, and is inversely contacted with three tower top device in Gas, and phase change occurs and replaces contact desulfuriation, the device in Gas one after desulfurization
Part is used as natural gas by natural gas line, another part enters heating furnace burning.
Further scheme is that desulfurization medium is methyl diethanolamine.
Further scheme is that low pressure gas tank, low pressure watt are provided on the pipeline between the digester and heating furnace
Regulating valve is set on the pipeline between this tank and heating furnace, is also equipped with regulating valve on the natural gas line.
A kind of processing method of the processing unit for the device in Gas that PETROLEUM PROCESSING generates, the outlet of fore-running tower top, Atmospheric Tower
Make not coagulate device in Gas pressurization by the first evacuation, the outlet of reduced vacuum pump makes not coagulate device in Gas increasing by the second evacuation
Pressure, not solidifying device in Gas pass through digester by the outlet that fore-running tower top, Atmospheric Tower and reduced vacuum pump, the desulfurization in digester
Medium recycles amine liquid by amine liquid pump and does not coagulate the reverse contact desulfuriation of device in Gas, and not solidifying device in Gas a part after desulfurization replaces day
Right gas, a part enter heating furnace and burn.
The processing unit for the device in Gas that the PETROLEUM PROCESSING provided in above-mentioned technical proposal generates, taking out air using first will be first
The not solidifying device in Gas pressurization for evaporating tower top and Atmospheric Tower is allowed to sufficiently sufficiently be combined desulfurization with amine liquid for desulphurization, utilizes the second evacuation
Device in Gas pressurizing desulfurizing is not coagulated by what reduced vacuum pump came, stabilizes the operation of product fractionation and entire fractionating system；Later
Pressurized not solidifying device in Gas recycle reverse contact desulfuriation by digester and amine liquid pump, after the enough sulphur of amine absorption
Become dense thiamines liquid, dense thiamines liquid enters coking workshop regenerative sulfur binding, supplements fresh amine liquid；Methyl diethanolamine can be with sulphur knot
It closes, can be used with sulphur content from regeneration cycle；Not solidifying device in Gas after desulfurization enters heating furnace burning, and it is natural to substitute a part
Gas saves a part of natural gas；Entering heating furnace burning as clean fuel into heating furnace burning after gas desulfurization will not
The pollution of environment is caused, the sulphur in device in Gas can enter subsequent workshop relieving haperacidity and generate economic benefit；Gas after desulfurization simultaneously
Gas can protect combustion system and not corroded, and sulfur-containing smoke gas can not be exchanged heat to heating furnace air inlet without corroding preheater, increase
Add the service life of preheater.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the processing unit for the device in Gas that PETROLEUM PROCESSING of the present invention generates.
In figure: 1. primary distillation towers；2. atmospheric tower；3. reduced vacuum pumps；4. first takes out air；5. exhaust pipe；6. second evacuates
Device；7. desulfurizing tower；8. amine liquid pump；9. low pressure gas tank；10. regulating valve；11. natural gas line；12. heating furnace.
Specific embodiment
In order to which objects and advantages of the present invention are more clearly understood, the present invention is carried out specifically with reference to embodiments
It is bright.It should be appreciated that following text is only used to describe one or more of specific embodiments of the invention, not to the present invention
The protection scope specifically requested carries out considered critical.
Technical solution that the present invention takes as shown in Figure 1, the device in Gas that a kind of PETROLEUM PROCESSING generates processing unit, including
Atmospheric vacuum unit, the Atmospheric vacuum unit include primary distillation tower 1, atmospheric tower 2 and reduced vacuum pump 3, the outlet of fore-running tower top, normal pressure
The outlet of tower top and the outlet of reduced vacuum pump interconnect and accumulate exhaust pipe 5, the end of exhaust pipe 5 lead to torch and
Gas separation unit processing；Fore-running tower top and the source pressure of Atmospheric Tower are pressed in oil product in tower by thermogenetic certainly, and pressure is in
Between 0.08~0.15Mpa, therefore the outlet of fore-running tower top and the outlet of Atmospheric Tower are provided with and take out for the first of pressurization
Pocket 4；Top of Vacuum Tower source pressure is in tower top pumped vacuum systems, and pressure is in 0.03Mpa or so, therefore reduced vacuum pumps 3
Outlet is provided with the second evacuation 6 for pressurization, and the first evacuation and the second evacuation, which is arranged, realizes three tower top pressures
Control, stabilize product fractionation and entire fractionating system operation；The processing unit for the device in Gas that the PETROLEUM PROCESSING generates
It further include desulphurization system, on the desulphurization system setting exhaust pipe 5, the desulphurization system includes digester 7 and amine liquid pump 8, institute
It states and contains methyl diethanolamine in digester 7, stainless steel helices is used in digester, liquid phase can be made sufficiently to combine, increase
Desulfurization effect, methyl diethanolamine are recycled by amine liquid pump 8, and wherein amine liquid pump is provided with two, is respectively used to amine liquid
It recycles and sends outside, the device in Gas for pumping 3 three tower tops with primary distillation tower 1, atmospheric tower 2 and reduced vacuum is inversely contacted, and gas occurs
Liquid phase replaces contact desulfuriation, and under device normal production scenarios, in the case that feedstock property does not have variation, three column overheads are not
Solidifying gas tolerance be it is certain, ceaselessly recycle amine liquid with amine liquid pump and do not coagulate the reverse contact desulfuriation of device in Gas, amine liquid absorption foot
Become dense thiamines liquid after enough sulphur, dense thiamines liquid enters coking workshop regenerative sulfur binding, supplements fresh amine liquid, methyl diethanolamine
It can be used with sulphur content from regeneration cycle in conjunction with sulphur.Device in Gas a part after desulfurization is used as by natural gas line 11
Natural gas motorcar, another part enter heating furnace 12 and burn as clean fuel.
Low pressure gas tank 9 is provided on pipeline between digester 7 and heating furnace 12, gas phase enters low pressure gas tank buffering
Enter heating furnace afterwards, and adjusting furnace temperature and supply gas pressure can be switched mutually using threeway double valve into heating furnace, specifically, low
It presses and regulating valve 10 is set on the pipeline between gas pot 9 and heating furnace 12, be also equipped with regulating valve on the natural gas line 11
10, when it is implemented, be also provided with regulating valve on the pipeline of amine liquid pump, for regulating and controlling the circulation of amine liquid and sending outside；Wherein adjust
Valve is all made of DCS (distribution type control system) remote adjustment, can continuous processing industry precision, realize the control of each regulating valve.
The method of the processing unit of the above-mentioned device in Gas generated using PETROLEUM PROCESSING, the outlet of fore-running tower top, Atmospheric Tower
Make not coagulate device in Gas pressurization by the first evacuation, the outlet of reduced vacuum pump makes not coagulate device in Gas increasing by the second evacuation
Pressure, not solidifying device in Gas pass through digester by the outlet that fore-running tower top, Atmospheric Tower and reduced vacuum pump, the desulfurization in digester
Medium recycles amine liquid by amine liquid pump and does not coagulate the reverse contact desulfuriation of device in Gas, and the not solidifying device in Gas after desulfurization enters low pressure gas
Tank, gas phase enter low pressure gas tank buffering rear portion and gas utilization, a part are replaced to enter heating furnace burning, gas qi exhaustion
Enter heating furnace burning after sulphur as clean fuel and enter the pollution that heating furnace burning not will cause environment, the sulphur in device in Gas can
Economic benefit is generated to enter subsequent workshop relieving haperacidity, desulfurization after gas gas can protect heating furnace burning system as clean fuel
System is not corroded, and the flue gas of sulfur-bearing can not be exchanged heat to heating furnace air inlet without corroding preheater, is increased preheater and is used the longevity
Life.In addition top gaseous phase also can control into heating furnace burning during shutting down, prevent gas during shutting down
Gas is set fire waste caused by torch.
Finally after the processing unit processing for the device in Gas that PETROLEUM PROCESSING provided by the invention generates, tower top does not coagulate gas
The sulfur content of gas can control in 0.5ppm hereinafter, entering heating furnace burning as clean fuel, and desulphurization system is to three towers
Tower top pressure also play the effect of stability contorting, to keep the fractionation of entire tower and gas-liquid phase equilibrium more stable.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode in knowing the present invention after contents, is not departing from the present invention for those skilled in the art
Under the premise of principle, several same transformation and substitution can also be made to it, these convert and substitute on an equal basis and also should be regarded as belonging to
Protection scope of the present invention.
Claims (4)
1. a kind of processing unit for the device in Gas that PETROLEUM PROCESSING generates, including Atmospheric vacuum unit, the Atmospheric vacuum unit includes just
Evaporate tower (1), atmospheric tower (2) and reduced vacuum pump (3), the outlet of fore-running tower top, the outlet of Atmospheric Tower and reduced vacuum pump
Outlet interconnect and accumulate exhaust pipe (5), the end of exhaust pipe (5) lead to torch and gas separation unit processing；Its feature
Be: the outlet of fore-running tower top and the outlet of Atmospheric Tower are provided with the first evacuation (4) for pressurization, reduced vacuum pump
(3) outlet is provided with the second evacuation (6) for pressurization；The processing unit for the device in Gas that the PETROLEUM PROCESSING generates also is wrapped
Desulphurization system is included, the desulphurization system is arranged on exhaust pipe (5), and desulphurization system includes digester (7) and amine liquid pump (8), institute
It states containing desulfurization medium in digester (7), desulfurization medium is recycled by amine liquid pump (8), with primary distillation tower (1), atmospheric tower (2)
And the device in Gas of reduced vacuum (3) three tower tops of pump is inversely contacted, and phase change occurs and replaces contact desulfuriation, watt after desulfurization
This gas a part is used as natural gas by natural gas line (11), another part enters heating furnace (12) burning.
2. the processing unit for the device in Gas that PETROLEUM PROCESSING according to claim 1 generates, it is characterised in that: desulfurization medium is
Methyl diethanolamine.
3. the processing unit for the device in Gas that PETROLEUM PROCESSING according to claim 1 generates, it is characterised in that: the digester
(7) it is provided with low pressure gas tank (9) on the pipeline between heating furnace (12), between low pressure gas tank (9) and heating furnace (12)
Pipeline on regulating valve (10) are set, be also equipped with regulating valve (10) on the natural gas line (11).
4. a kind of method of the processing unit of the device in Gas generated using PETROLEUM PROCESSING described in any one of claims 1 to 33,
It is characterized by: the outlet of fore-running tower top, Atmospheric Tower makes not coagulate device in Gas pressurization by the first evacuation, reduced vacuum pump
Outlet makes not coagulate device in Gas pressurization by the second evacuation, and not solidifying device in Gas is by fore-running tower top, Atmospheric Tower and reduced vacuum
Digester is passed through in the outlet of pump, and the desulfurization medium in digester is recycled amine liquid and inversely contacted with not solidifying device in Gas by amine liquid pump to be taken off
Sulphur, not solidifying device in Gas a part after desulfurization replace natural gas, a part to enter heating furnace burning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569275.XA CN110157512A (en) | 2019-06-27 | 2019-06-27 | A kind of processing unit and method of the device in Gas that PETROLEUM PROCESSING generates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569275.XA CN110157512A (en) | 2019-06-27 | 2019-06-27 | A kind of processing unit and method of the device in Gas that PETROLEUM PROCESSING generates |
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| Publication Number | Publication Date |
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| CN110157512A true CN110157512A (en) | 2019-08-23 |
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| CN201910569275.XA Pending CN110157512A (en) | 2019-06-27 | 2019-06-27 | A kind of processing unit and method of the device in Gas that PETROLEUM PROCESSING generates |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1817411A (en) * | 2006-01-10 | 2006-08-16 | 武汉加华科技有限公司 | Top-push decreasing gas desulfurization at normal-pressure and apparatus thereof |
| 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 |
| JP2014008466A (en) * | 2012-06-29 | 2014-01-20 | Ebara Jitsugyo Co Ltd | Device and method for biological desulfurization of biogas |
| CN204897855U (en) * | 2015-06-27 | 2015-12-23 | 山东昌邑石化有限公司 | Atmospheric and vacuum unit gas processing system |
| WO2018087496A1 (en) * | 2016-11-14 | 2018-05-17 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Synthesis gas production process for the implementation of a natural gas liquefaction |
-
2019
- 2019-06-27 CN CN201910569275.XA patent/CN110157512A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1817411A (en) * | 2006-01-10 | 2006-08-16 | 武汉加华科技有限公司 | Top-push decreasing gas desulfurization at normal-pressure and apparatus thereof |
| 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 |
| JP2014008466A (en) * | 2012-06-29 | 2014-01-20 | Ebara Jitsugyo Co Ltd | Device and method for biological desulfurization of biogas |
| CN204897855U (en) * | 2015-06-27 | 2015-12-23 | 山东昌邑石化有限公司 | Atmospheric and vacuum unit gas processing system |
| WO2018087496A1 (en) * | 2016-11-14 | 2018-05-17 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Synthesis gas production process for the implementation of a natural gas liquefaction |
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Application publication date: 20190823 |