CN110257100A - Light hydrocarbons humidification steam distribution system and method - Google Patents
Light hydrocarbons humidification steam distribution system and method Download PDFInfo
- Publication number
- CN110257100A CN110257100A CN201910507329.XA CN201910507329A CN110257100A CN 110257100 A CN110257100 A CN 110257100A CN 201910507329 A CN201910507329 A CN 201910507329A CN 110257100 A CN110257100 A CN 110257100A
- Authority
- CN
- China
- Prior art keywords
- raw material
- conditioning tower
- material conditioning
- tower
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G9/34—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by direct contact with inert preheated fluids, e.g. with molten metals or salts
- C10G9/36—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by direct contact with inert preheated fluids, e.g. with molten metals or salts with heated gases or vapours
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
Description
Claims (11)
- The steam distribution system 1. a kind of light hydrocarbons are humidified, it is characterised in that: including raw material conditioning Tower, process water stripper and cracking Furnace, in which:Light hydrocarbon feedstock is connected to the lower part of raw material conditioning Tower by the preheating of pyrolysis furnace;The lower part of raw material conditioning Tower is connected to after process water after stripping in process water stripper is boosted;The tower bottom of raw material conditioning Tower is through reflux pump and is heated at reflux device and returns to the top of raw material conditioning Tower as spray liquid, with Constitute circulation loop;The tower top of raw material conditioning Tower is finally connected to the cracking section of pyrolysis furnace with pipeline through raw material superheater.
- The steam distribution system 2. light hydrocarbons according to claim 1 are humidified, it is characterised in that: the pipeline is first connected to cracking The convection section of furnace after the heat exchange of the first heat exchange coil and the second heat exchange coil, then is connected to the cracking section of pyrolysis furnace.
- The steam distribution system 3. light hydrocarbons according to claim 1 are humidified, it is characterised in that: raw material conditioning Tower is equipped with continuous row Dirty pipeline, blowdown pipeline are connected to battery limit (BL) through blow down cooler.
- 4. a kind of light hydrocarbons humidification matches vapour method, it is characterised in that: used raw material conditioning Tower, process water stripper and split Solve furnace, in which:Light hydrocarbon feedstock enters the lower part of raw material conditioning Tower by the preheating of pyrolysis furnace;The boosted rear lower part for entering raw material conditioning Tower of process water after being stripped in process water stripper;Liquid phase in raw material conditioning Tower through reflux pump and is heated at reflux device and returns to the top conduct of raw material conditioning Tower by tower bottom Spray liquid and constitute circulation loop, into raw material conditioning Tower lower part light hydrocarbon feedstock and the spray liquid counter current contacting exchange heat, Form the mixing light hydro carbons raw material of saturation;The mixing light hydro carbons raw material of saturation by raw material conditioning Tower tower top pipeline through raw material superheater, eventually enter into pyrolysis furnace Cracking section and generate cracking gas.
- 5. light hydrocarbons humidification according to claim 4 matches vapour method, it is characterised in that: the work come from quenching water column Skill water after removing trace solid and hydrocarbon, enters process water stripper, the vapour in stripper after the heating of process water feed heater It is proposed that volatile component returns to quenching water column, the process water after stripping enters raw material conditioning Tower after feedstock pump boosting Lower part.
- 6. light hydrocarbons humidification according to claim 4 matches vapour method, it is characterised in that: the pipeline is first connected to cracking The convection section of furnace after the heat exchange of the first heat exchange coil and the second heat exchange coil, then is connected to the cracking section of pyrolysis furnace.
- 7. light hydrocarbons according to claim 4 humidification matches vapour method, it is characterised in that: the spray flow of raw material conditioning Tower with The mass ratio of unstripped gas is 4-5, and the water hydrocarbon mass ratio of the mixing light hydro carbons raw material of saturation is 0.2-0.4.
- 8. light hydrocarbons humidification according to claim 4 matches vapour method, it is characterised in that: the operation of the raw material conditioning Tower Pressure is within the scope of 0.4-1.0MPaA, when operating pressure is constant, by adjusting the flow and/or temperature of the circulation loop, energy The operation temperature of raw material conditioning Tower is enough controlled, to set the mass ratio of steam and unstripped gas, which is in 0~1 In range.
- 9. light hydrocarbons humidification according to claim 4 matches vapour method, it is characterised in that: the light hydrocarbon feedstock refers to Ethane, propane, carbon four, light dydrocarbon mixture or pure material.
- 10. light hydrocarbons humidification according to claim 4 matches vapour method, it is characterised in that: passed through back in the circulation loop The temperature that the water of raw material conditioning Tower is returned after heater exchanges heat is flowed within the scope of 120~165 DEG C.
- 11. light hydrocarbons humidification according to claim 4 matches vapour method, it is characterised in that: the spray of the circulation loop The mass ratio with the light hydrocarbon feedstock for entering raw material conditioning Tower lower part is measured in the range of 1-10.
Priority Applications (1)
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CN201910507329.XA CN110257100A (en) | 2019-06-12 | 2019-06-12 | Light hydrocarbons humidification steam distribution system and method |
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CN201910507329.XA CN110257100A (en) | 2019-06-12 | 2019-06-12 | Light hydrocarbons humidification steam distribution system and method |
Publications (1)
Publication Number | Publication Date |
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CN110257100A true CN110257100A (en) | 2019-09-20 |
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Family Applications (1)
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CN201910507329.XA Pending CN110257100A (en) | 2019-06-12 | 2019-06-12 | Light hydrocarbons humidification steam distribution system and method |
Country Status (1)
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040004022A1 (en) * | 2002-07-03 | 2004-01-08 | Stell Richard C. | Process for steam cracking heavy hydrocarbon feedstocks |
CN102057018A (en) * | 2008-06-10 | 2011-05-11 | 埃克森美孚化学专利公司 | Process and apparatus for cooling liquid bottoms from vapor-liquid separator by heat exchange with feedstock during steam cracking of hydrocarbon feedstocks |
CN107344906A (en) * | 2016-05-06 | 2017-11-14 | 中国石化扬子石油化工有限公司 | A kind of method that ethene is prepared using tube cracking furnace |
CN210163383U (en) * | 2019-06-12 | 2020-03-20 | 中国寰球工程有限公司 | Light hydrocarbon humidifying and steam distributing system |
-
2019
- 2019-06-12 CN CN201910507329.XA patent/CN110257100A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040004022A1 (en) * | 2002-07-03 | 2004-01-08 | Stell Richard C. | Process for steam cracking heavy hydrocarbon feedstocks |
CN102057018A (en) * | 2008-06-10 | 2011-05-11 | 埃克森美孚化学专利公司 | Process and apparatus for cooling liquid bottoms from vapor-liquid separator by heat exchange with feedstock during steam cracking of hydrocarbon feedstocks |
CN107344906A (en) * | 2016-05-06 | 2017-11-14 | 中国石化扬子石油化工有限公司 | A kind of method that ethene is prepared using tube cracking furnace |
CN210163383U (en) * | 2019-06-12 | 2020-03-20 | 中国寰球工程有限公司 | Light hydrocarbon humidifying and steam distributing system |
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SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhang Laiyong Inventor after: Liu Jianguo Inventor after: Cao Yuanwei Inventor after: Jin Zhuoyi Inventor after: Zhao Zhiqiang Inventor after: Wang Yunhui Inventor after: Xin Jiang Inventor after: Wu Dejuan Inventor after: Sun Changgeng Inventor after: Ji Jinghua Inventor after: Yang Qinglan Inventor after: Hu Zhongcai Inventor after: Zhao Hongxia Inventor after: Lu Wenhua Inventor before: Xin Jiang Inventor before: Cao Yuanwei Inventor before: Jin Zhuoyi Inventor before: Zhao Zhiqiang Inventor before: Wang Yunhui Inventor before: Wu Dejuan Inventor before: Sun Changgeng Inventor before: Ji Jinghua Inventor before: Yang Qinglan Inventor before: Hu Zhongcai Inventor before: Zhao Hongxia Inventor before: Lu Wenhua Inventor before: Liu Jianguo |
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CB03 | Change of inventor or designer information |