CN1600758A - Technique for producing acetylene from hot plasma of hydrocarbon and equipment - Google Patents
Technique for producing acetylene from hot plasma of hydrocarbon and equipment Download PDFInfo
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- CN1600758A CN1600758A CN 03157571 CN03157571A CN1600758A CN 1600758 A CN1600758 A CN 1600758A CN 03157571 CN03157571 CN 03157571 CN 03157571 A CN03157571 A CN 03157571A CN 1600758 A CN1600758 A CN 1600758A
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Abstract
A process for preparing acetylene by alkenes plasma includes such steps as splitting alkenes at 100-700 deg.C through phase noe plasma reactor at high temp, mixing splitting gas which temp is higher than 1300 deg.C with alkenes in phase two plasma reactor, cooling the gas which temp is lower than 600 deg.C to 150 deg.C, clarification and separation.
Description
1. technical field
The invention provides a kind of hydrocarbon thermal plasma system acetylene technology and equipment thereof, belong to oil and natural gas and utilize the field.
2. background technology
Thermal plasma is owing to have temperature height, concentration of energy, reaction atmosphere is controlled and contains a large amount of band point particles and characteristics such as electronics isoreactivity species, thereby not only can be used as the thermal source of ultrahigh-temperature metallurgy and chemical reaction but also have activation (as ionization) and be similar to catalytic effect.Thermal plasma cracking hydrocarbon (as Sweet natural gas, coal-seam gas and oil etc.) system acetylene be various countries, the world today developing clean production acetylene, effectively utilize one of new technology of hydrocarbon resource.The general employing of technology of existing thermal plasma cracking hydrocarbon system acetylene once enters plasma reactor, and below the Pintsch process gas water quenching to 100 ℃, separation obtaining acetylene.Because Pintsch process gas all more than 1300 ℃, utilizes water quick cooling, the one, waste heat can not get effective utilization; The 2nd, a small amount of water vapor and acetylene reaction generate carbon monoxide, increase intractability; The 3rd, the quenched water large usage quantity, large amount of sewage needs to handle.
3. summary of the invention
The objective of the invention is provides a kind of hydrocarbon thermal plasma system acetylene technology and equipment thereof for the deficiency that overcomes the prior art existence.
The invention provides a kind of hydrocarbon thermal plasma system acetylene technology and equipment thereof.The hydrocarbon that is preheating to 100 ℃-700 ℃ is fed first section reactor high temperature cracking of thermal plasma, the splitting gas of medial temperature more than 1300 ℃ and the hydrocarbon short mix and the reaction that spray into from second section reactor of thermal plasma, cool to reaction gas below 600 ℃ again below rapid-cooling heat exchanger quenching to 150 ℃, purification separation obtains acetylene.
The equipment of a kind of hydrocarbon thermal plasma of the present invention system acetylene technology is to be provided with into gas inlet (2) by plasma generator (1) top, and the bottom connects the cone-shaped reactor (5) with two ends sudden expansion; Be provided with one section inlet of reactor (3) in (5) sudden expansions place of reactor, be provided with two sections inlets of reactor (4) in reactor (5) secondary sudden expansion place; Reactor (5) bottom directly connects rapid-cooling heat exchanger (6); The side of rapid-cooling heat exchanger (6) bottom is provided with reaction gas outlet (7), and the bottom is provided with liquid exit (8).
The present invention will be described in detail characteristics of the present invention in conjunction with the accompanying drawings and embodiments.
4. description of drawings
Accompanying drawing is a conversion unit of the present invention.
1. plasma generator 2. becomes the gas inlet, 3. one section inlet of reactor, and 4. two sections inlets of reactor,
5. reactor, 6. rapid-cooling heat exchanger, 7. reactor outlet, 8. liquid exit
5. embodiment
Embodiment 1, and plasma generator (1) feeds into gas and connects power supply by becoming gas inlet (2), produces core temperature at the elevated temperature heat plasma jet more than 2500 ℃; The Sweet natural gas that is preheating to 100 ℃-700 ℃ is fed first section reactor of thermal plasma to be mixed and Pintsch process with the elevated temperature heat plasma jet is instantaneous, the splitting gas of medial temperature more than 1300 ℃ and the lightweight oil short mix and the reaction that spray into from second section reactor of thermal plasma, cool to reaction gas below 600 ℃ again below rapid-cooling heat exchanger quenching to 50 ℃, reaction gas flows out purification separation from the reaction gas outlet and obtains acetylene.
Embodiment 2, and plasma generator (1) feeds into gas and connects power supply by becoming gas inlet (2), produces core temperature at the elevated temperature heat plasma jet more than 5000 ℃; The coal-seam gas that is preheating to 100 ℃-700 ℃ is fed first section reactor of thermal plasma mixes and Pintsch process with the elevated temperature heat plasma jet is instantaneous, the splitting gas of medial temperature more than 1300 ℃ and the lightweight oil short mix and the reaction that spray into from second section reactor of thermal plasma, cool to reaction gas below 600 ℃ again below rapid-cooling heat exchanger quenching to 50 ℃, reaction gas flows out purification separation from the reaction gas outlet and obtains acetylene.
Embodiment 3, and plasma generator (1) feeds into gas and connects power supply by becoming gas inlet (2), produces core temperature at the elevated temperature heat plasma jet more than 10000 ℃; The gasoline that is preheating to 30 ℃-300 ℃ is fed first section instantaneous mixing of reactor stream of thermal plasma and Pintsch process, the splitting gas of medial temperature more than 1300 ℃ and the gasoline short mix and the reaction that spray into from second section reactor of thermal plasma, cool to reaction gas below 600 ℃ again below rapid-cooling heat exchanger quenching to 50 ℃, reaction gas flows out purification separation from the reaction gas outlet and obtains acetylene.
Embodiment 4, and plasma generator (1) feeds into gas and connects power supply by becoming gas inlet (2), produces core temperature at the elevated temperature heat plasma jet more than 10000 ℃; The oil that is preheating to 30 ℃-300 ℃ is fed first section instantaneous mixing of reactor stream of thermal plasma and Pintsch process, the splitting gas of medial temperature more than 1300 ℃ and the oil short mix and the reaction that spray into from second section reactor of thermal plasma, cool to reaction gas below 600 ℃ again below rapid-cooling heat exchanger quenching to 50 ℃, reaction gas flows out purification separation from the reaction gas outlet and obtains acetylene.
A kind of equipment of hydrocarbon thermal plasma system acetylene technology is to be provided with into gas inlet (2) by plasma generator (1) top, and the bottom connects the cone-shaped reactor (5) with two ends sudden expansion; Be provided with one section inlet of reactor (3) in (5) sudden expansions place of reactor, be provided with two sections inlets of reactor (4) in reactor (5) secondary sudden expansion place; Reactor (5) bottom directly connects rapid-cooling heat exchanger (6); The side of rapid-cooling heat exchanger (6) bottom is provided with reaction gas outlet (7), and the bottom is provided with liquid exit (8).
A kind of hydrocarbon thermal plasma system acetylene technology provided by the present invention and equipment thereof utilize hydrocarbon two section feedings, reasonable use the heat of plasma jet, improve 2-5 percentage point of acetylene yield, make the acetylene energy consumption reduce more than 25%.
Claims (3)
1. hydrocarbon thermal plasma system acetylene technology and equipment thereof.It is characterized in that to be preheating to first section reactor high temperature cracking of hydrocarbon feeding thermal plasma of 100 ℃-700 ℃, the splitting gas of medial temperature more than 1300 ℃ and the hydrocarbon short mix and the reaction that spray into from second section reactor of thermal plasma, cool to reaction gas below 600 ℃ again below rapid-cooling heat exchanger quenching to 150 ℃, purification separation obtains acetylene.
2. according to a kind of hydrocarbon thermal plasma system acetylene technology and equipment thereof that claim 1 provided, it is characterized in that hydrocarbon is Sweet natural gas, coal-seam gas and oil and petroleum fractions thereof.
3. according to a kind of hydrocarbon thermal plasma system acetylene technology and equipment thereof that claim 1 provided, it is characterized in that plasma reactor is to be provided with into gas inlet (2) by plasma generator (1) top, the bottom connects the cone-shaped reactor (5) with two ends sudden expansion; Be provided with one section inlet of reactor (3) in (5) sudden expansions place of reactor, be provided with two sections inlets of reactor (4) in reactor (5) secondary sudden expansion place; Reactor (5) bottom directly connects rapid-cooling heat exchanger (6); The side of rapid-cooling heat exchanger (6) bottom is provided with reaction gas outlet (7), and the bottom is provided with liquid exit (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03157571 CN1600758A (en) | 2003-09-25 | 2003-09-25 | Technique for producing acetylene from hot plasma of hydrocarbon and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03157571 CN1600758A (en) | 2003-09-25 | 2003-09-25 | Technique for producing acetylene from hot plasma of hydrocarbon and equipment |
Publications (1)
| Publication Number | Publication Date |
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| CN1600758A true CN1600758A (en) | 2005-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 03157571 Pending CN1600758A (en) | 2003-09-25 | 2003-09-25 | Technique for producing acetylene from hot plasma of hydrocarbon and equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550056B (en) * | 2009-05-08 | 2012-11-14 | 清华大学 | A thermal plasma coal cracking - gasification coupling process and reaction unit |
| CN102949972A (en) * | 2011-08-26 | 2013-03-06 | 北京低碳清洁能源研究所 | Multi-stage plasma cracking carbonaceous material reactor and method for producing acetylene by using same |
| CN103333044A (en) * | 2013-06-19 | 2013-10-02 | 浙江大学 | Method for preparing acetylene by cracking industrial byproduct gas with rotating arc plasma |
| CN103333043A (en) * | 2013-06-19 | 2013-10-02 | 浙江大学 | Method for preparing acetylene by cracking waste grease with thermal plasma |
| CN104355961A (en) * | 2014-09-29 | 2015-02-18 | 中国科学技术大学先进技术研究院 | Plasma pyrolytic coal-derived acetylene reactor |
-
2003
- 2003-09-25 CN CN 03157571 patent/CN1600758A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550056B (en) * | 2009-05-08 | 2012-11-14 | 清华大学 | A thermal plasma coal cracking - gasification coupling process and reaction unit |
| CN102949972A (en) * | 2011-08-26 | 2013-03-06 | 北京低碳清洁能源研究所 | Multi-stage plasma cracking carbonaceous material reactor and method for producing acetylene by using same |
| WO2013029457A1 (en) * | 2011-08-26 | 2013-03-07 | National Institute Of Clean-And-Low-Carbon Energy | Multi-stage plasma cracking carbonaceous material reactor and process for producing acetylene by using the same |
| CN102949972B (en) * | 2011-08-26 | 2014-05-28 | 北京低碳清洁能源研究所 | Multi-stage plasma cracking carbonaceous material reactor and method for producing acetylene by using same |
| CN103333044A (en) * | 2013-06-19 | 2013-10-02 | 浙江大学 | Method for preparing acetylene by cracking industrial byproduct gas with rotating arc plasma |
| CN103333043A (en) * | 2013-06-19 | 2013-10-02 | 浙江大学 | Method for preparing acetylene by cracking waste grease with thermal plasma |
| CN103333044B (en) * | 2013-06-19 | 2015-10-28 | 浙江大学 | A kind of method of rotary arc plasma pyrolysis industrial by-product gas generation acetylene |
| CN104355961A (en) * | 2014-09-29 | 2015-02-18 | 中国科学技术大学先进技术研究院 | Plasma pyrolytic coal-derived acetylene reactor |
| CN104355961B (en) * | 2014-09-29 | 2019-08-23 | 中国科学技术大学先进技术研究院 | A kind of Acetylene Manufactured by Coal Pyrolysis under Plasma Condition reactor |
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| WD01 | Invention patent application deemed withdrawn after publication |