CN1613839A - Apparatus and process for producing acetylene by plasma pyrolysis of coal and natural gas - Google Patents
Apparatus and process for producing acetylene by plasma pyrolysis of coal and natural gas Download PDFInfo
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- CN1613839A CN1613839A CN 200410012523 CN200410012523A CN1613839A CN 1613839 A CN1613839 A CN 1613839A CN 200410012523 CN200410012523 CN 200410012523 CN 200410012523 A CN200410012523 A CN 200410012523A CN 1613839 A CN1613839 A CN 1613839A
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Abstract
Production of ethyne by coal and natural gas plasma pyrolyzation and its apparatus are disclosed. It is produced by spraying plasma, buggy steam current and natural gas protective gas in plasma reactor, reacting and generating mixed ethyne gas, cooling, separating, storing ethyne, passing gas into plasma generator and reutilizing, sprayed natural gas forming gas protective layer on plasma reactor wall to prevent carbon fragment from coking, and pyrolytic reacting to obtain mixed ethyne gas. It achieves high converting efficient and reacting efficient.
Description
Technical field
The present invention relates to a kind of Processes and apparatus of industrial preparation acetylene, particularly a kind of technology and device that utilizes coal, Sweet natural gas plasma pyrolysis system acetylene.
Background technology
Acetylene is a kind of important basic chemical raw materials.Tradition hydrolysis calcium carbide route prepares acetylene, and its technical process is grown, is simply equipped, and particularly energy consumption is big, environmental pollution is comparatively serious.Existing a lot of people are at the technology and the equipment of research and improvement acetylene.The contriver had once applied for patent of invention in March in this year, " coal plasma pyrolysis system acetylene Processes and apparatus ", it is a kind of comparatively advanced new and high technology of system acetylene, its technology is to produce plasma body and sprayed in the plasma reactor to form plasma atmosphere by working gas in plasma generator, again coal dust is sprayed into simultaneously to react in the plasma atmosphere and generate the acetylene gas mixture, the back is by the cooling of hardening rifle, enter refrigerated separation in the gas-liquid-solid separator again, water cinder after the separation is discharged, the acetylene gas mixture enters in the gas separator and further separates, product acetylene gas after the separation is sent storage from the acetylene gas outlet, and the circulation of work gas enters in the plasma generator and utilizes; The argon shield gas blowout goes into to form the shielding gas layer between plasma reactor wall and the plasma atmosphere, collides coking to stop the charcoal fragment on wall, is provided with recirculated water cooling cover circulation cooling in the shell of plasma generator.
The existing device that is used for above-mentioned coal plasma pyrolysis system acetylene technology, comprise plasma cathode rod and cathode bar insulator, plasma anode bar and anode bar insulator, recirculated water cooling cover and the working gas passage installed in the plasma generator, and fix by top seal; Argon gas coal dust passage and argon shield gas passage are located on the shell of plasma atmosphere, the argon gas coal dust sprays in the plasma atmosphere and reacts, argon shield gas forms eddy flow tubular gas shield layer between plasma atmosphere and plasma reaction wall, stop the coking of charcoal fragment; Be provided with plasma reactor, quenching rifle and gas-solid separator in the lower end of plasma generator; The isolated product acetylene gas of gas-solid separator is sent storage by pipeline, and working gas is sent in the plasma generator by pipeline and recycled.
But the contriver finds above-mentioned Processes and apparatus when carrying out suitability for industrialized production through the further research of nearly half a year, produce load and be restricted, and its energy consumption is bigger.At first, existing apparatus adopts single cover plasma anode and cathode rod, and its load increase is restricted; The second, the protective layer in the existing technology is an argon shield, and its function singleness can not be as the assist gas of coal plasma reaction; The 3rd, former plasma generator and quenching water are taken away a large amount of heat energy, it are not utilized, and this power loss accounts for about 40% of total input energy, and its efficient is reduced, and heat energy does not make full use of.
Summary of the invention
The present invention is directed to the deficiency that existing coal plasma pyrolysis system acetylene technology and device exist, a kind of coal, Sweet natural gas plasma pyrolysis system acetylene technology and device are proposed, single to solve the plasma generator that exists in existing coal plasma pyrolysis system acetylene technology and the device, the problem that load is restricted during suitability for industrialized production; Argon gas is as the gas shield layer, its function singleness, the assist gas problem that can not react in plasma reactor as coal; The problem that spontaneous heat energy is not fully used.
The present invention realizes that the technical scheme of above-mentioned purpose is by behind the working gas inlet feeding working gas in plasma generator, the article on plasma generator inlet applies with power supply, and spray into the speed of 50～80m/s and to produce plasma arcs in the plasma reactor, form 3000 ℃～8000 ℃ argon-arc plasma field; Sweet natural gas in the natural gas tube and the breeze airflow in the coal dust streamtube are after the preheating heat exchanger preheating, by Sweet natural gas jet pipe and breeze airflow jet pipe the coal dust of 20～100 μ m is reacted with the thermal plasma field that the coal amount of the speed of 4～6m/s and 50～90g/min sprays in the plasma reactor, the acetylene gas mixture that generates is quickly cooled to 300 ℃～600 ℃ through the quencher water jet to it in quencher, after the heat release of steam interchanger, enter gas-solid separator again and carry out gas, Gu separate, isolated carbon black enters in the tank of sealing, isolated acetylene gas mixture enters in the gas separator through the gas-solid separator pneumatic outlet and separates, isolated acetylene gas product stores through gas separator outlet output, and separated hydrogen is mixed the back circulation and entered in the plasma generator with argon gas;
The recirculated cooling water cover import of the water coolant of cooling system on plasma generator enters the plasma anode and cathode rod in the cooling plasma generator in the cooling tank circuit, water coolant behind the absorption heat is sent by the outlet of recirculated cooling water cover, enter through the steam heat exchanger entrance again and carry out heat exchange in the steam interchanger, 150 ℃～250 ℃ steam behind the absorption heat is sent in the preheating heat exchanger through the steam heat exchanger exit again, behind the Sweet natural gas and the breeze airflow in the coal dust streamtube in the preheating natural gas tube, 120 ℃～225 ℃ water vapor is sent by the preheating heat exchanger steam outlet;
Sweet natural gas preheating in the natural gas tube after the Sweet natural gas jet pipe spray into along the inner-wall surface annular of plasma reactor, and form tubular rotation Sweet natural gas blocking layer at the inner-wall surface of plasma reactor, the Sweet natural gas that constantly sprays into simultaneously constantly reacts the formation acetylene gas mixture under the effect of thermal plasma field;
A kind ofly be used for above-mentioned coal, the device of Sweet natural gas plasma pyrolysis system acetylene technology, comprise power supply, the working gas inlet, the gas separator outlet, gas separator, the import of recirculated cooling water cover, plasma generator, plasma reactor, the quenching water inlet, quencher, the steam interchanger, the gas-solid separator pneumatic outlet, tank, the preheating heat exchanger steam outlet, preheating heat exchanger, coal dust streamtube, natural gas tube breeze airflow jet pipe, the plasma generator inlet, the Sweet natural gas jet pipe, the outlet of recirculated cooling water cover, the steam heat exchanger exit, the steam heat exchanger entrance, gas-solid separator, the Sweet natural gas blocking layer, plasma arc, breeze airflow, the quencher water jet, the thermal plasma field, the plasma reactor shell, the plasma generator shell, plasma anodized insulation, the plasma anode bar, the plasma cathode rod, top cover, working gas passage shell, plasma cathode rod insulator, the recirculated cooling water cover, working gas ejection passage, its constitutional features is on the top cover of plasma generator power supply to be installed, the working gas inlet, the breeze airflow jet pipe, the plasma generator inlet, the Sweet natural gas jet pipe; In plasma generator, be equipped with plasma cathode rod and plasma cathode rod insulator and with excellent corresponding plasma anode bar of plasma cathode and plasma anode bar insulator; Between the plasma generator inlet, be provided with the breeze airflow jet pipe; Periphery at plasma generator is provided with the Sweet natural gas jet pipe; In plasma generator, be provided with recirculated water cooling cover and recirculated cooling water cover import and the outlet of recirculated cooling water cover, and by the top cover fixing seal, the outlet of recirculated cooling water cover is communicated with the steam heat exchanger entrance of steam interchanger by water-cooled tube, after the steam heat exchange, be communicated with preheating heat exchanger through the steam heat exchanger exit again, to breeze airflow in the coal dust streamtube in the preheating heat exchanger and the Sweet natural gas preheating in the natural gas tube, the back is sent by the preheating heat exchanger steam outlet; Be provided with plasma reactor, quencher, steam interchanger, gas-solid separator and tank successively in the lower surface of plasma generator; The isolated acetylene gas mixture of gas-solid separator is communicated with gas separator by the gas-solid separator pneumatic outlet by pipeline, sends storage through isolated product acetylene gas by pipeline, and separated hydrogen and argon gas are sent in the working gas inlet by pipeline.
Wherein said plasma generator inlet is to be made of two or more plasma generator inlets at least; The breeze airflow jet pipe is to be made of two or more breeze airflow jet pipes at least, reacts so that coal dust can spray in the argon-arc plasma field equably; Described Sweet natural gas jet pipe is to be made of two or more Sweet natural gas jet pipes at least, so that the Sweet natural gas of ejection can form the Sweet natural gas blocking layer of eddy flow tubular; The setting angle of described Sweet natural gas jet pipe and installation number are the Sweet natural gas blocking layers that can make the Sweet natural gas formation eddy flow tubular of Sweet natural gas jet pipe ejection; Described plasma reactor shell is compound and constitute by the thermal insulation layer of the anti-coking layer of inner-wall surface and middle high-temperature-resistant layer and outer wall.
The present invention is on the basis of existing coal plasma pyrolysis system acetylene technology, technology has been done further improvement, and the thorough isolation that has realized high temperature C fragment and inner-wall surface from processing method is to prolong the time of continuous operation, improved the partial concn and the duration of contact of reaction zone coal dust, reduced the loss and the working gas recirculation of heat energy and used to improve the transformation efficiency and the thermo-efficiency of product acetylene gas; Adopt natural-gas to spray into along the inner-wall surface longitudinal spiral of this plasma reactor, the Sweet natural gas that forms the rotation tubular is as the barrier layer between C fragment and the reactor wall, the coking phenomenon that has suppressed the reactor wall face effectively, prolonged the continuous operating time of this device, the more important thing is that Sweet natural gas is not only the barrier layer between C fragment and the reactor wall, also be the working gas of coal dust and plasma successive reaction simultaneously, for the industrialization continuous production of this device provides sufficient condition; Employing is vertically symmetrical a plurality of plasma gunes and a plurality of breeze airflow spray gun installed in plasma generator, to increase coal dust and plasma reaction time, and at argon-arc plasma field high-temperature zone formation stagnation enrichment region, improve the partial concn and the time of reaction zone coal dust, because this mode of employing, need not pass the frictional belt, shorten the distance that coal dust enters the plasma flame high-temperature zone, increase the reaction times; Adopt the working gas after product gas separates to realize recirculation, improved the economy of system, for the industrialization continuous production has been created condition; Employing is provided with recirculated water cooling cover in plasma generator, steam interchanger and preheating heat exchanger utilize heat energy cooling acetylene gas mixture, heating breeze airflow and Sweet natural gas, have improved production efficiency, have reduced calorific loss.Technological design of the present invention is reasonable, non-environmental-pollution.
The present invention is owing to improve the device that has coal plasma pyrolysis system acetylene now, and realized above-mentioned coal, Sweet natural gas technology at plasma pyrolysis system acetylene, its outstanding characteristics are to be provided with vertical multiple gun to spray into plasma arc and breeze airflow, make coal dust and plasma that the space of sufficient reaction times and sufficient reacting be arranged; Be provided with vertical multiple gun and spray into Sweet natural gas, not only suppressed the coking phenomenon of reactor wall face effectively, and sufficient condition is provided for the successive reaction of coal dust and plasma body as the barrier layer between C fragment and the reactor wall; Recirculated water cooling cover system, steam interchanger and preheating heat exchanger have been installed, and not only spontaneous heat energy is fully utilized, and has improved production efficiency, has reduced energy dissipation, and the present device device is reasonable in design, compact construction.
Improvement by above these technologies and device, make technology of the present invention and device improve more than 3 times than the technology and the device continuous operating time of existing coal plasma pyrolysis system acetylene, conversion of alkyne has improved 4%～6%, reached 88%～93%, reactor efficiency has improved about 10%, the load of reaction unit improves more than 5 times, reaction unit thermo-efficiency improve 15%～25%.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention
Fig. 2 is the principal section structural representation of apparatus of the present invention
Fig. 3 is the cross-sectional view of single cover plasma anode and cathode rod of apparatus of the present invention Fig. 2 A-A
Fig. 4 is a plasma generator cross-sectional view of the present invention
Fig. 5 is a plasma generator cooling water channel line structure synoptic diagram of the present invention
：1： 2： 3： 4：5： 6： 7： 8：9： 10： 11： 12： 13： 14： 15： 16： 17： 18： 19： 20： 21： 22： 23： 24： 25： 26： 27： 28： 29： 30： 31： 32： 33： 34： 35： 36： 37： 38：
Embodiment
To technology of the present invention and the further detail explanation of equipment, present embodiment is to further specify of the present invention, the present invention is not imposed any restrictions below in conjunction with drawings and Examples.
The present invention improves it on the basis of existing technology, as shown in Figure 1, in plasma generator (6) at first by the mixed gas of argon gas and hydrogen inlet, be that working gas inlet (2) feeds working gas, article on plasma generator inlet (18) applies the power supply (1) with 0～400 volt then, and spray into the speed of 50～80m/s and to produce plasma arcs (25) in the plasma reactor (7), form 3000 ℃～8000 ℃ argon-arc plasma field (28); Next be with the breeze airflow in Sweet natural gas in the natural gas tube (16) and the coal dust streamtube (15) after preheating heat exchanger (14) preheating, by Sweet natural gas jet pipe (19) and breeze airflow jet pipe (17) coal dust of 20～100 μ m is reacted with the thermal plasma field (28) that the coal amount of the speed of 4～6m/s and 50～90g/min sprays in the plasma reactor (7), the acetylene gas mixture that generates is quickly cooled to 300 ℃～600 ℃ through quencher water jet (27) to it in quencher (9), after steam interchanger (10) heat release, enter gas-solid separator (23) again and carry out gas, Gu separate, isolated carbon black enters in the tank (12) of sealing, isolated acetylene gas mixture enters in the gas separator (4) through gas-solid separator pneumatic outlet (11) and separates, isolated acetylene gas product stores through gas separator outlet (3) output, and circulation entered in the plasma generator (6) and re-uses after separated hydrogen was mixed with argon gas.
The recirculated cooling water cover import (5) of the water coolant of cooling system on plasma generator (6) enters the plasma anode and cathode rod that cools off in the cooling tank circuit in the plasma generator (6), water coolant behind the absorption heat is sent by recirculated cooling water cover outlet (20), enter in the convection type steam interchanger (10) through convection type steam heat exchanger entrance (22) again and carry out heat exchange, 150 ℃～250 ℃ steam behind the absorption heat is sent in the surface-type preheating heat exchanger (14) through convection type steam heat exchanger exit (21) again, behind the breeze airflow in Sweet natural gas in the preheating natural gas tube (16) and the coal dust streamtube (15), 120 ℃～225 ℃ water vapors are sent utilization by surface-type preheating heat exchanger steam outlet (13).
Sweet natural gas preheating in the natural gas tube (16) after Sweet natural gas jet pipe (19) spray into along the inner-wall surface annular of plasma reactor (7), and form Sweet natural gas blocking layer (24) at the inner-wall surface of plasma reactor (7), the Sweet natural gas that constantly sprays into simultaneously reacts the formation acetylene gas mixture under the effect of thermal plasma field (28);
The above-mentioned coal that is used for, the device of Sweet natural gas plasma pyrolysis system acetylene technology, comprise power supply (1), working gas inlet (2), gas separator outlet (3), gas separator (4), the import (5) of recirculated cooling water cover, plasma generator (6), plasma reactor (7), quenching water inlet (8), quencher (9, steam interchanger (10), gas-solid separator pneumatic outlet (11), tank (12), preheating heat exchanger steam outlet (13), preheating heat exchanger (14), coal dust streamtube (15), natural gas tube (16) breeze airflow jet pipe (17), plasma generator inlet (18), Sweet natural gas jet pipe (19), recirculated cooling water cover outlet (20), steam heat exchanger exit (21), steam heat exchanger entrance (22), gas-solid separator (23), Sweet natural gas blocking layer (24), plasma arc (25), breeze airflow (26), quencher water jet (27), thermal plasma field (28), plasma reactor shell (29), plasma generator shell (30), plasma anodized insulation (31), plasma anode bar (32), plasma cathode rod (33), top cover (34), working gas passage shell (35), plasma cathode rod insulator (36), recirculated cooling water cover (37), working gas ejection passage (38), its one-piece construction is that 0～400 volt power supply (1) is installed on the top cover of plasma generator (6) (34), working gas inlet (2), breeze airflow jet pipe (17), plasma generator inlet (18), Sweet natural gas jet pipe (19); In plasma generator (6), be equipped with plasma cathode rod (33) and plasma cathode the rod insulator (36) and with corresponding plasma anode bar of plasma cathode rod (33) (32) and plasma anode bar insulator (31); Between plasma generator inlet (18), be provided with breeze airflow jet pipe (17); Periphery at plasma generator (6) is provided with Sweet natural gas jet pipe (19); In plasma generator (6), be provided with cover import (5) of recirculated water cooling cover (37) and recirculated cooling water and recirculated cooling water cover outlet (20), and by top cover (34) fixing seal, recirculated cooling water cover outlet (20) is by the steam heat exchanger entrance (22) of water-cooled tube communicating surface snake type steam interchanger (10), after the steam heat exchange, again through steam heat exchanger exit (21) communicating surface one way preheating heat exchanger (14), to breeze airflow in the coal dust streamtube (15) in the surperficial one way preheating heat exchanger (14) and the Sweet natural gas preheating in the natural gas tube (16), the back is sent by preheating heat exchanger steam outlet (13); Be provided with plasma reactor (7), quencher (9), surperficial snake type steam interchanger (10), gas-solid separator (23) and tank (12) successively in the lower surface of plasma generator (6); The isolated acetylene gas mixture of gas-solid separator (23) is communicated with gas separator (4) by gas-solid separator pneumatic outlet (11) by pipeline, send storage through isolated product acetylene gas, separated hydrogen and argon gas are sent in the working gas inlet (2) by pipeline.
Wherein said plasma generator (18) can be two or more plasma generators (18); Breeze airflow jet pipe (17) can be that two or more breeze airflow jet pipes (17) are formed, and reacts so that coal dust can spray in the argon-arc plasma field (28) equably; Described Sweet natural gas jet pipe (19) is to form by two or more Sweet natural gas jet pipes (19), so that the Sweet natural gas of ejection can form the Sweet natural gas blocking layer (24) of eddy flow tubular; The setting angle of described Sweet natural gas jet pipe (19) and installation number are the Sweet natural gas blocking layers (24) that can make the Sweet natural gas formation eddy flow tubular of Sweet natural gas jet pipe (19) ejection; Described plasma reactor shell (29) is compound and constitute by the thermal insulation layer of the anti-coking layer of inner-wall surface and middle high-temperature-resistant layer and outer wall.
When making, the one-piece construction of device is connected with component or the connection of welding and pipeline etc., according to chemical industry to the producton order of container and make and require to carry out; Gas separator, steam interchanger and preheating heat exchanger are selected for use by processing requirement and are got final product.
Claims (7)
1. a coal, Sweet natural gas plasma pyrolysis system acetylene technology, it is characterized in that in plasma generator (6) by behind working gas inlet (2) the feeding working gas, article on plasma generator inlet (18) applies with power supply (1), and spray into the speed of 50～80m/s and to produce plasma arcs (25) in the plasma reactor (7), form 3000 ℃～8000 ℃ argon-arc plasma field (28); Breeze airflow in Sweet natural gas in the natural gas tube (16) and the coal dust streamtube (15) is after preheating heat exchanger (14) preheating, by Sweet natural gas jet pipe (19) and breeze airflow jet pipe (17) coal dust of 20～100 μ m is reacted with the thermal plasma field (28) that the coal amount of the speed of 4～6m/s and 50～90g/min sprays in the plasma reactor (7), the acetylene gas mixture that generates is quickly cooled to 300 ℃～600 ℃ through quencher water jet (27) to it in quencher (9), after steam interchanger (10) heat release, enter gas-solid separator (23) again and carry out gas, Gu separate, isolated carbon black enters in the tank (12) of sealing, isolated acetylene gas mixture enters in the gas separator (4) through gas-solid separator pneumatic outlet (11) and separates, isolated acetylene gas product stores through gas separator outlet (3) output, and circulation entered in the plasma generator (6) and reacts after separated hydrogen was mixed with argon gas;
The recirculated cooling water cover import (5) of the water coolant of cooling system on plasma generator (6) enters the plasma anode and cathode rod that cools off in the cooling tank circuit in the plasma generator (6), water coolant behind the absorption heat is sent by recirculated cooling water cover outlet (20), enter in the steam interchanger (10) through steam heat exchanger entrance (22) again and carry out heat exchange, 150 ℃～250 ℃ steam behind the absorption heat is sent in the preheating heat exchanger (14) through steam heat exchanger exit (21) again, behind the breeze airflow in Sweet natural gas in the preheating natural gas tube (16) and the coal dust streamtube (15), 120 ℃～225 ℃ water vapors are sent utilization again by preheating heat exchanger steam outlet (13);
Sweet natural gas preheating in the natural gas tube (16) after Sweet natural gas jet pipe (19) spray into along the inner-wall surface annular of plasma reactor (7), and form the Sweet natural gas blocking layer (24) of rotation tubular at the inner-wall surface of plasma reactor (7), the Sweet natural gas that constantly sprays into simultaneously constantly reacts the formation acetylene gas mixture under the effect of thermal plasma field (28);
2. coal that is used for claim 1, the device of Sweet natural gas plasma pyrolysis system acetylene technology, comprise power supply (1), working gas inlet (2), gas separator outlet (3), gas separator (4), the import (5) of recirculated cooling water cover, plasma generator (6), plasma reactor (7), quenching water inlet (8), quencher (9), steam interchanger (10), gas-solid separator pneumatic outlet (11), tank (12), preheating heat exchanger steam outlet (13), preheating heat exchanger (14), coal dust streamtube (15), natural gas tube (16) breeze airflow jet pipe (17), plasma generator inlet (18), Sweet natural gas jet pipe (19), recirculated cooling water cover outlet (20), steam heat exchanger exit (21), steam heat exchanger entrance (22), gas-solid separator (23), Sweet natural gas blocking layer (24), plasma arc (25), breeze airflow (26), quencher water jet (27), thermal plasma field (28), plasma reactor shell (29), plasma generator shell (30), plasma anodized insulation (31), plasma anode bar (32), plasma cathode rod (33), top cover (34), working gas passage shell (35), plasma cathode rod insulator (36), recirculated cooling water cover (37), working gas ejection passage (38), it is characterized in that on the top cover (34) of plasma generator (6), power supply (1) being installed, working gas inlet (2), breeze airflow jet pipe (17), plasma generator inlet (18), Sweet natural gas jet pipe (19); In plasma generator (6), be equipped with plasma cathode rod (33) and plasma cathode the rod insulator (36) and with corresponding plasma anode bar of plasma cathode rod (33) (32) and plasma anode bar insulator (31); Between plasma generator inlet (18), be provided with breeze airflow jet pipe (17); Periphery at plasma generator (6) is provided with Sweet natural gas jet pipe (19); In plasma generator (6), be provided with cover import (5) of recirculated water cooling cover (37) and recirculated cooling water and recirculated cooling water cover outlet (20), and by top cover (34) fixing seal, recirculated cooling water cover outlet (20) is communicated with the steam heat exchanger entrance (22) of steam interchanger (10) by water-cooled tube, after the steam heat exchange, be communicated with preheating heat exchanger (14) through steam heat exchanger exit (21) again, to breeze airflow in the coal dust streamtube (15) in the preheating heat exchanger (14) and the Sweet natural gas preheating in the natural gas tube (16), the back is sent by preheating heat exchanger steam outlet (13); Be provided with plasma reactor (7), quencher (9), steam interchanger (10), gas-solid separator (23) and tank (12) successively in the lower surface of plasma generator (6); The isolated acetylene gas mixture of gas-solid separator (23) is communicated with gas separator (4) by gas-solid separator pneumatic outlet (11) by pipeline, send storage through isolated product acetylene gas by pipeline, separated hydrogen and argon gas are sent in the working gas inlet (2) by pipeline and are recycled.
3. the device of coal according to claim 2, Sweet natural gas plasma pyrolysis system acetylene technology is characterized in that plasma generator inlet (18) is to be made of two or more plasma generator inlets (18) at least.
4. the device of coal according to claim 2, Sweet natural gas plasma pyrolysis system acetylene technology is characterized in that breeze airflow jet pipe (17) is to be made of two or more breeze airflow jet pipes (17) at least.
5. the device of coal according to claim 2, Sweet natural gas plasma pyrolysis system acetylene technology is characterized in that Sweet natural gas jet pipe (19) is to be made of two or more Sweet natural gas jet pipes (19) at least.
6. the device of coal according to claim 4, Sweet natural gas plasma pyrolysis system acetylene technology, it is characterized in that the setting angle of Sweet natural gas jet pipe (19) and number is installed is the Sweet natural gas blocking layer (24) that can make the Sweet natural gas formation eddy flow tubular of Sweet natural gas jet pipe (19) ejection.
7. the device of coal according to claim 2, Sweet natural gas plasma pyrolysis system acetylene technology is characterized in that plasma reactor shell (29) is compound and constitute by the thermal insulation layer of the anti-coking layer of inner-wall surface and middle high-temperature-resistant layer and outer wall.
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| CN103100365B (en) * | 2011-11-11 | 2015-05-13 | 北京低碳清洁能源研究所 | Plasma cracking carbonaceous material reactor system with hollow cathode or double hollow cathodes |
| CN108546561A (en) * | 2012-02-21 | 2018-09-18 | 巴特尔纪念研究院 | It is converted and is modified using the heavy fossil hydrocarbon of radio frequency or microwave energy |
| 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 |
| 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 |
| CN105272814B (en) * | 2014-07-04 | 2017-05-31 | 神华集团有限责任公司 | Quencher and the device for preparing acetylene |
| CN105272814A (en) * | 2014-07-04 | 2016-01-27 | 神华集团有限责任公司 | Quenching device and acetylene preparation device |
| CN104451762A (en) * | 2014-12-17 | 2015-03-25 | 中国科学技术大学先进技术研究院 | Device for preparing acetylene through pulverized coal pyrolysis by electric arc |
| CN108869781A (en) * | 2018-09-10 | 2018-11-23 | 赵桂凤 | A kind of natural gas valve |
| CN111569783A (en) * | 2020-05-15 | 2020-08-25 | 焦作市和兴化学工业有限公司 | Method for improving furnace inner wall coking in acetylene carbon black cracking production |
| CN111569783B (en) * | 2020-05-15 | 2022-01-04 | 焦作市和兴化学工业有限公司 | Method for improving furnace inner wall coking in acetylene carbon black cracking production |
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