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CN105491778A - Plasma pyrolysis device - Google Patents

Plasma pyrolysis device Download PDF

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Publication number
CN105491778A
CN105491778A CN201610094173.3A CN201610094173A CN105491778A CN 105491778 A CN105491778 A CN 105491778A CN 201610094173 A CN201610094173 A CN 201610094173A CN 105491778 A CN105491778 A CN 105491778A
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CN
China
Prior art keywords
electrode
plasma
pyrolysis device
arc
cooling
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Granted
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CN201610094173.3A
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Chinese (zh)
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CN105491778B (en
Inventor
周开根
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Yancheng Sheyang Ronggang Industrial Co., Ltd
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Quzhou Disheng Industrial Design Co Ltd
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Priority to CN201610094173.3A priority Critical patent/CN105491778B/en
Publication of CN105491778A publication Critical patent/CN105491778A/en
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Publication of CN105491778B publication Critical patent/CN105491778B/en
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/32Plasma torches using an arc
    • H05H1/34Details, e.g. electrodes, nozzles
    • H05H1/3405Arrangements for stabilising or constricting the arc, e.g. by an additional gas flow

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Plasma Technology (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The invention discloses a plasma pyrolysis device and relates to plasma equipment. The plasma pyrolysis device comprises a first electrode, an enclosure body, a second electrode, a third electrode, a supporting piece and an electromagnetic driving assembly. An outer cover and the first electrode are installed at the front end of the enclosure body. The rear end of the enclosure body is connected to the front end of the second electrode. The rear end of the second electrode is installed on the circular groove wall body of the supporting piece. A cross-core holding rod is arranged in a via hole in the center of a disc body of the third electrode and a through hole in the wall body of the rear end of the circular groove body of the supporting piece. A holding screw head of the cross-core holding rod penetrates out from the through hole in the wall body at the rear end of the circular groove body of the supporting piece and is screwed to the holding screw head of the cross-core holding rod through a trunk connector. A connecting screw head is arranged at the rear portion of the trunk connector. The electromagnetic driving assembly is installed on the connecting screw head. A driving rod is arranged in the electromagnetic driving assembly. An arc electrode is arranged in a rod body of the front portion of the driving rod. According to the plasma pyrolysis device, a processing medium is ionized and activated, the processing medium is processed under the action of high-temperature plasma arc, and a target product is more easily obtained.

Description

A kind of plasma pyrolysis device
Technical field
The present invention relates to electromechanical equipment, particularly relate to a kind of plasma apparatus.
Background technology
Current, plasma technology is widely used, is industrially applied to plasma ignition, plasma spraying, metal smelt, heating plasma manufacture nano material, cutting, the process of waste incineration refuse etc.Processing mode and the general mode of plasma are made a world of difference, plasma is a kind of state formed under ionosphere or electric discharge phenomena, will generate excited atom, excite molecule, reaction that the chemicals of the activity chemistry thing of dissociation atom, free atomic group, atom or molecular ion group and they and other collide and cause along with electric discharge phenomena.In plasma generator, discharge process makes work gas molecule lose outer-shell electron and form ionic condition, high temperature is produced through mutually colliding, temperature can reach more than several ten thousand degree, when processed chemical industry pernicious gas is subject to the plasma attack of HTHP, its molecule, atom will reconfigure and generate new material, thus make harmful substance become innocuous substance.
In solid waste disposal field, be re-used as gasifying agent after water vapour is decomposed into hydrogen, oxygen activity chemicals by plasma device and send into gasification furnace, gasification reaction is carried out with house refuse or medical waste or industrial organic waste or agriculture and forestry organic waste material, the reaction carried out is exothermic reaction, do not need input oxygen or air-breathing, therefore house refuse or medical waste or industrial organic waste or agriculture and forestry organic waste material can be converted into the hydrogen-rich synthetic gas meeting industrial chemicals application and require.
The plasma device researching and developing a kind of its target product application rational in infrastructure, applicable is the task of this area research staff, and improving the efficiency of plasma device, reducing power consumption is the target that this area research staff pursues.
Summary of the invention
The object of this invention is to provide the plasma device of a kind of applicable process chemical industry pernicious gas or pyrolysis purposes, and make apparatus structure advantages of simple and efficiency high, to reduce power consumption.
A kind of plasma pyrolysis device of the present invention, comprise the first electrode 2, fender body 6, second electrode 8, third electrode 9, supporter 10 and electromagnetic drive component, it is characterized in that the first electrode 2 is torus structure, the torus of the first electrode 2 is embedded in overcoat 3; Fender body 6 is the through cylindrical structures in front and back, the outer wall of cylinder has pipeloop groove 6-1, in pipeloop groove 6-1, has solenoid coil 7; Second electrode 8 is ring structure, and third electrode 9 is disc structure, and there is via hole at the center of disc, and third electrode 9 is placed within the endless wall of the second electrode 8, has living space between the outer wall of third electrode 9 and the inwall of the second electrode 8; Supporter 10 is the circular groove body structure of front opening, has through hole in the rear end wall body of circular groove body structure; The front end that the first electrode 2 is arranged on fender body 6 taken by overcoat 3, and the rear end of fender body 6 is connected to the front end of the second electrode 8, and the rear end of the second electrode 8 is arranged on the circular groove wall body of supporter 10; In the via hole at third electrode 9 disc center and in the through hole of supporter 10 circular groove body rear end wall body, there is punching to lead tight bar 11, the tight spiral shell head 11-2 that leads that punching leads tight bar 11 passes from the through hole of supporter 10 circular groove body rear end wall body, with Trunk Connector 12 screw lead tight bar 11 in punching lead on tight spiral shell head 11-2, there is axial channel at the center of Trunk Connector 12, there is connection spiral shell head 12-1 at the rear portion of Trunk Connector 12, and electromagnetic drive component is arranged on and connects on spiral shell head 12-1; Have drive rod 13 in electromagnetic drive component, have arc electrode 5 in the anterior body of rod of drive rod 13, when causing plasma arc, the head end of arc electrode 5 carries out the striking of stretch mode between the first electrode 2 and third electrode 9.
In the present invention, carry out circulating cooling agent in solenoid coil 7, make solenoid coil 7 become the cooling coil of fender body 6; Solenoid coil 7 is energized, makes solenoid coil 7 become solenoid, produce Magnetic isolation layer in the cylinder inner circumferential of fender body 6; The wall body of the front portion of the first electrode (2) there is location plush copper (2-1), the rear portion wall body of the first electrode (2) there is sealed step (2-2), sealed step (2-2) is sealed and matched with the front end face of fender body (6), front end (1) is had in the front end of overcoat (3), front end (1) is torus structure, front end (1) has bayonet socket (1-1), and bayonet socket (1-1) is sealed and matched with the location plush copper (2-1) of the first electrode (2) front portion; Space between first electrode 2 outer wall and overcoat 3 inwall forms cooling jacket Ⅹ, and cooling jacket Ⅹ has coolant inlet Ⅸ to access and coolant outlet I picks out; Ring-shaped air chamber VII is had in the annular solid of the second electrode 8, ring-shaped air chamber VII has medium input interface II, space between second electrode 8 inwall and third electrode 9 outer wall forms ionization channels III, the interior space of fender body 6 forms plasma generation chamber VIII, ring-shaped air chamber VII is communicated to space in the ring of plasma generation chamber VIII, first electrode 2 by ionization channels III and forms product exit Ⅺ; The groove 9-1 of expansion is had in the via hole front end of third electrode 9; It is hollow-core construction that punching leads tight bar 11, and the groove 9-1 phase in interior space and third electrode 9 via hole front end that punching leads tight bar 11 is passed through and is communicated with, and punching leads the telescopic chute of the interior space formation arc electrode 5 of tight bar 11; The circular groove intracorporeal space looping cooling chamber V of supporter 10, punching leads the inner ring wall body of the body of rod looping cooling chamber V of tight bar 11; Have cooling annular groove 9-2 in the inner side of third electrode 9, cooling annular groove 9-2 communicates with annular cooling chamber V, and annular cooling chamber V has cooling liquid inlet VI to access and cooling liquid outlet IV picks out; Have brush 19 in device, brush 19 and arc electrode 5 are electrically connected, and brush 19 is arranged on the rear end of supporter 10 or is arranged in Trunk Connector 12; Drive rod 13 is hollow-core construction, in the middle part of drive rod 13 and in the hollow rod body at rear portion, have spaced magnetic bead 16 and spacer beads 18; The rear portion of leading tight bar 11 in punching has the first electric interfaces 20 to access, and the wall body of the second electrode 8 has the second electric interfaces 22 access, has the 3rd electric interfaces 25 to access on the wall body of overcoat 3 or on front end 1.
In plasma device, plasma arc produces between two main electrodes, under the condition that energy maintain plasma arc stability runs between two main electrodes, space length between two main electrodes is larger, the stroke of plasma arc is longer, the chance that its electronics collides mutually and number of times will be more, its energy will be larger, when for the treatment of industrial harmful gas, pernicious gas is subject to the intensity of HTHP plasma attack can be larger, and it reconfigures the efficiency becoming innocuous substance can be higher.The present invention utilizes arc electrode to carry out striking, and first stretch out the striking Distance Shortened that arc electrode makes between two main electrodes, to reduce striking voltage, arc electrode of then retracting, makes to produce high-temperature plasma electric arc between two main electrodes.The present invention takes the measure of telescopic striking to be extended to make the space length between two of plasma device main electrodes, strengthens the energy of high-temperature plasma electric arc, improves efficiency and saves electric energy.Two described main electrodes are the first electrode 2 and third electrode 9.
The present invention applies or applies in solid waste disposal field in process industrial harmful gas field, in order to improve the efficiency of plasma device further, the present invention is provided with the second electrode 8 in a device, second electrode 8 is carried out nested setting with third electrode 9, third electrode 9 is placed within the annular solid of the second electrode 8, makes the space between the inwall of the second electrode 8 and the outer wall of third electrode 9 form ionization channels III.During application, plasma operation power supply is connected to the first electric interfaces 20, then leads tight bar 11 by punching and is connected to third electrode 9 and is connected to arc electrode 5 by brush 19; High voltage source is connected to the second electric interfaces 22; 3rd electric interfaces 25 is the common return interface of plasma operation power supply and high voltage source; Described plasma operation power supply is the power supply of 180-600V voltage, is characterized in low-voltage and high-current, and described high voltage source is the power supply of more than 10000V, is characterized in high voltage small area analysis.Then the work gas access medium input interface II of industrial harmful gas or water vapour or other sources of the gas, enter in the ionization channels III between the second electrode 8 and third electrode 9 by the ring-shaped air chamber VII in the second electrode 8 wall body, just in ionization channels III, form the electric field of air-flow isolation discharge mode, the work gas of industrial harmful gas or water vapour or other sources of the gas is made to be ionized and to increase activity, be ionized the industrial harmful gas of activation again under the effect of high-temperature plasma electric arc, more easily and be more thoroughly processed into neutral innocuous substance, or the water vapour being ionized activation is more easily decomposed and gasifying agent as solid organic waste substances is applied.When specific works, in the ring that the head end of arc electrode 5 extend into the first electrode 2 in space, the high voltage source of more than 10000V makes the ionization channels III between the second electrode 8 and third electrode 9 carry out the electric discharge of air-flow isolation method, make to discharge between the head end of arc electrode 5 and the first electrode 2 simultaneously, the head end and the first electrode 2 of arc electrode 5 form initial arc, then solenoid 15 is oppositely energized, drive rod 13 is moved backward, move after driving arc electrode 5, the head end of arc electrode 5 is made to retreat in the groove 9-1 of third electrode 9, thus electric arc is guided on third electrode 9, make to form high-temperature plasma electric arc between the first electrode 2 and third electrode 9.
In the ionization channels III that the present invention first makes high voltage source act between the second electrode 8 and third electrode 9, the work gas of industrial harmful gas or water vapour or other sources of the gas is ionized and activated, then high voltage source is made to act between the first electrode 2 and third electrode 9, the striking between the first electrode 2 and third electrode 9 is carried out by arc electrode, make it to produce high-temperature plasma electric arc, the work gas of industrial harmful gas or water vapour or other sources of the gas is carried out target process, more easily obtains target product.Take the measure of telescopic striking to be extended to make the space length between two of plasma device main electrodes, strengthen the energy of high-temperature plasma electric arc, improve efficiency and save electric energy.Wherein, the electric energy producing high-temperature plasma electric arc is provided by plasma operation power supply.
The present invention arranges solenoid coil 7 on the outer wall of fender body 6, when carrying out circulating cooling agent in solenoid coil 7, solenoid coil 7 is made to become the cooling coil of fender body 6, when being energized to solenoid coil 7, making solenoid coil 7 become solenoid, producing Magnetic isolation layer in the cylinder inner circumferential of fender body 6, plasma arc is avoided to contact with fender body 6 and ablated, by cooling fender body 6, thus reduce the high temperature resistant grade of fender body 6 material, to reduce cost.
When plasma device runs, produce the arc root of high-temperature plasma electric arc on the outer face of third electrode 9, be sintered on third electrode 9 in order to avoid arc electrode and make arc electrode lose Telescopic, the present invention arranges groove 9-1 in the body of third electrode 9, has certain space length before the arc electrode head after striking effect is completed and third electrode 9 wall body.
In above-mentioned invention, spaced magnetic bead 16 and spacer beads 18 is had in the middle part of drive rod 13 and in the hollow rod body at rear portion, during concrete enforcement, magnetic bead 16 selects permanent magnet material, and spacer beads 18 selects nonmagnetic substance, and the polarity of each magnetic bead carries out series aiding connection setting, when arc electrode need be stretched out, carry out forward energising to solenoid, the electromagnetic force that solenoid center is produced is carried out positive direction with the magnetic line of force of magnetic bead in drive rod 13 and is coordinated, drive rod 13 forward; When need retract arc electrode time, be oppositely energized to solenoid, the electromagnetic force that solenoid center is produced is carried out opposite direction with the magnetic line of force of magnetic bead in drive rod 13 and is coordinated, and drive rod 13 is moved backward.During specific embodiment, when the rear end at coil rack 14 arranges location iron hoop 17, utilize the magnetic force of magnetic bead 16, drive rod 13 is located, thus make arc electrode be positioned at extended position or retracted position, therefore only in the process that drive rod 13 need be made to move ahead or retreat, solenoid is energized, after drive rod 13 is located, just to solenoid power-off, the life-span saved electric energy and extend solenoid can be realized.The present invention utilizes solenoid and drive rod 13 to drive arc electrode, does not have mechanical motion mechanism, makes structure simple, and reliable operation.
The invention has the beneficial effects as follows: be adapted at applying in process industrial harmful gas field or applying in solid waste disposal field, treatment media is first made to carry out ionization activation, again treatment media is processed under the effect of high-temperature plasma electric arc, more easily obtain target product.Take the measure of telescopic striking to be extended to make the space length between two of plasma device main electrodes, strengthen the energy of high-temperature plasma electric arc, improve efficiency and save electric energy.The present invention utilizes solenoid and interval arranges magnetic bead measure and carries out stretching out or retracting to drive arc electrode in drive rod 13, its simple and reasonable, reliable operation.
Accompanying drawing explanation
Fig. 1 is the structure chart of plasma pyrolysis device of the present invention.
Fig. 2 is the A-A profile of Fig. 1.
In figure: 1. front end, 1-1. bayonet socket, 1-2. connects screw socket, 2. the first electrode, 2-1. locates plush copper, 2-2. sealed step, 3. overcoat, 3-1. draw-in groove, 4. sealing ring, 5. arc electrode, 6. fender body, 6-1. pipeloop groove, 7. solenoid coil, 8. the second electrode, 9. third electrode, 9-1. groove, 9-2. cools annular groove, 10. supporter, 10-1. installs spiral shell head, 10-2. tangential air drain, 11. punchings lead tight bar, hexagonal major part in 11-1., 11-2. leads tight spiral shell head, 12. Trunk Connectors, 12-1. connects spiral shell head, 13. drive rods, 13-1. spacing termination, 14. coil racks, 14-1. limited step, 15. solenoids, 16. magnetic beads, 17. location iron hoops, 18. spacer beads, 19. brushes, 20. first electric interfaces, 21. sealing rings, 22. second electric interfaces, 23. sealing gaskets, 24. sealing rings, 25. the 3rd electric interfaces, 26. seals, I. coolant outlet, II. medium input interface, III. ionization channels, IV. cooling liquid outlet, V. annular cooling chamber, VI. cooling liquid inlet, VII. ring-shaped air chamber, VIII. plasma generation chamber, Ⅸ. coolant inlet, Ⅹ. cooling jacket, Ⅺ. product exit.
Embodiment
In execution mode shown in embodiment 1 Fig. 1, a kind of plasma pyrolysis device is primarily of the first electrode 2, fender body 6, second electrode 8, third electrode 9, supporter 10 and electromagnetic drive component, wherein, first electrode 2 is torus structure, the torus of the first electrode 2 is embedded in overcoat 3, the wall body of the front portion of the first electrode (2) there is location plush copper (2-1), the rear portion wall body of the first electrode (2) there is sealed step (2-2), sealed step (2-2) is sealed and matched with the front end face of fender body (6), sealing ring 4 is had between sealed step (2-2) and the front end face of fender body (6), front end (1) is had in the front end of overcoat (3), front end (1) is torus structure, front end (1) has bayonet socket (1-1), bayonet socket (1-1) is sealed and matched with the location plush copper (2-1) of the first electrode (2) front portion, seal 26 is had between bayonet socket 1-1 and the location plush copper 2-1 of the first electrode 2, space between first electrode 2 outer wall and overcoat 3 inwall forms cooling jacket Ⅹ, and cooling jacket Ⅹ has coolant inlet Ⅸ to access and coolant outlet I picks out, fender body 6 is the through cylindrical structures in front and back, the outer wall of cylinder has pipeloop groove 6-1, in pipeloop groove 6-1, has solenoid coil 7, second electrode 8 is ring structure, and third electrode 9 is disc structure, and there is via hole at the center of disc, has the groove 9-1 of expansion in the front end of via hole, has cooling annular groove 9-2 in the inner side of third electrode 9, third electrode 9 is placed within the endless wall of the second electrode 8, has living space between the outer wall of third electrode 9 and the inwall of the second electrode 8, supporter 10 is the circular groove body structure of front opening, has through hole in the rear end wall body of circular groove body structure, and the rear portion of through hole is the seal groove of wedge-shaped cross section structure, the front end that the first electrode 2 is arranged on fender body 6 taken by overcoat 3, and the rear end of fender body 6 is connected to the front end of the second electrode 8, and the rear end of the second electrode 8 is arranged on the circular groove wall body of supporter 10, ring-shaped air chamber VII is had in the annular solid of the second electrode 8, ring-shaped air chamber VII has medium input interface II, space between second electrode 8 inwall and third electrode 9 outer wall forms ionization channels III, the interior space of fender body 6 forms plasma generation chamber VIII, ring-shaped air chamber VII is communicated to space in the ring of plasma generation chamber VIII, first electrode 2 by ionization channels III and forms product exit Ⅺ, in the via hole at third electrode 9 disc center and in the through hole of supporter 10 circular groove body rear end, there is punching to lead tight bar 11, in the seal groove at the through hole rear portion of supporter 10 circular groove body rear end, there is cross-section structure to be the sealing ring 21 of wedge shape, there is interior hexagonal major part 11-1 the front end of leading tight bar 11 in punching, tight spiral shell head 11-2 is led at the rear portion of leading tight bar 11 in punching, the interior hexagonal major part 11-1 that punching leads tight bar 11 is deep in the groove 9-1 of third electrode 9 via hole front end, sealing ring 24 is had between interior hexagonal major part 11-1 and the wall body of groove 9-1, it is hollow-core construction that punching leads tight bar 11, the groove 9-1 phase in interior space and third electrode 9 via hole front end that punching leads tight bar 11 is passed through and is communicated with, punching leads the telescopic chute of the interior space formation arc electrode 5 of tight bar 11, between third electrode 9 and the wall body of supporter 10, have sealing gasket 23, have tangential air drain 10-2 in the front end of supporter 10 wall body, ring-shaped air chamber VII is communicated to ionization channels III by tangential air drain 10-2, the circular groove intracorporeal space looping cooling chamber V of supporter 10, punching leads the inner ring wall body of the body of rod looping cooling chamber V of tight bar 11, cooling annular groove 9-2 inside third electrode 9 communicates with annular cooling chamber V, and annular cooling chamber V has cooling liquid inlet VI to access and cooling liquid outlet IV picks out, the tight spiral shell head 11-2 that leads that punching leads tight bar 11 passes from the through hole of supporter 10 circular groove body rear end wall body, with Trunk Connector 12 screw lead tight bar 11 in punching lead on tight spiral shell head 11-2, there is axial channel at the center of Trunk Connector 12, brush 19 is had in the body of Trunk Connector 12, the front portion of Trunk Connector 12 is female thread structure, there is connection spiral shell head 12-1 at the rear portion of Trunk Connector 12, and electromagnetic drive component is arranged on and connects on spiral shell head 12-1, electromagnetic drive component is made up of solenoid 15 and coil rack 14, location iron hoop 17 is had in the rear end of coil rack 14, the center of coil rack 14 is through axial channel, drive rod 13 is had in the axial channel at coil rack 14 center, drive rod 13 have for flexible spacing spacing major part 13-1, arc electrode 5 is arranged in the body of rod of drive rod 13 front portion with inserted mode, drive rod 13 is hollow-core construction, spaced magnetic bead 16 and spacer beads 18 is had in the middle part of drive rod 13 and in the hollow rod body at rear portion, when plasma arc need be caused, the head end of arc electrode 5 carries out the striking of stretch mode between the first electrode 2 and third electrode 9.During use, carry out circulating cooling agent in solenoid coil 7, solenoid coil 7 is made to become the cooling coil of fender body 6, solenoid coil 7 is energized, makes solenoid coil 7 become solenoid, produce Magnetic isolation layer in the cylinder inner circumferential of fender body 6, plasma arc is avoided to contact with fender body 6 and ablated, by cooling fender body 6, thus reduce the high temperature resistant grade of fender body 6 material, to reduce cost.In the present embodiment, the rear portion of leading tight bar 11 in punching has the first electric interfaces 20 to access, the metal material that first electric interfaces 20 leads tight bar 11 by punching is communicated to third electrode 9 and is electrically connected by brush 19 and arc electrode 5, the wall body of the second electrode 8 there is the second electric interfaces 22 access, front end 1 has the 3rd electric interfaces 25 access, the 3rd electric interfaces 25 is communicated to the first electrode 2 by the metal material of front end 1 and overcoat 3; First electrode 2, third electrode 9 and arc electrode 5 select tungsten alloy material to make; Front end 1, second electrode 8 and punching are led tight bar 11 and are selected ordinary metallic material to make; Fender body 6 selects high temperature resistant nonmetallic materials to make; Solenoid coil 7 selects copper tube coiling; Supporter 10 selects bakelite material or polytetrafluoroethylmaterial material to make; Sealing ring 24 selects the graphite asbestos composite material with electric conductivity to make.The present embodiment arranges location iron hoop 17 in the rear end of coil rack 14, utilize the magnetic force of magnetic bead 16, drive rod 13 is located, thus make arc electrode be positioned at extended position or retracted position, therefore the present embodiment is only energized to solenoid in the process that drive rod 13 need be made to move ahead or retreat, after drive rod 13 is located, just to solenoid power-off, the life-span saved electric energy and extend solenoid can be realized.
The present embodiment is applied or is applied in solid waste disposal field in process industrial harmful gas field, during application, in the ring first making the head end of arc electrode 5 extend into the first electrode 2 in space, the plasma operation power supply of 180-600V is connected to the first electric interfaces 20, the high voltage source of more than 10000V is connected to the common return interface that the second electric interfaces the 22, three electric interfaces 25 is plasma operation power supply and high voltage source, then the work gas of industrial harmful gas or water vapour or other sources of the gas is input in ring-shaped air chamber VII by medium input interface II, enter in ionization channels III by tangential air drain 10-2 in swirling eddy mode again, the high voltage source of more than 10000V makes the ionization channels III between the second electrode 8 and third electrode 9 carry out the electric discharge of air-flow isolation method, the work gas of industrial harmful gas or water vapour or other sources of the gas is made to be ionized and to increase activity, make to discharge between the head end of arc electrode 5 and the first electrode 2 simultaneously, the head end and the first electrode 2 of arc electrode 5 form initial arc, then solenoid 15 is oppositely energized, drive rod 13 is moved backward, move after driving arc electrode 5, the head end of arc electrode 5 is made to retreat in the groove 9-1 of third electrode 9, thus electric arc is guided on third electrode 9, make to form high-temperature plasma electric arc in the plasma generation chamber VIII between the first electrode 2 and third electrode 9, under the effect of the high-temperature plasma electric arc of industrial harmful gas again in plasma generation chamber VIII being ionized activation through ionization channels III, molecule, the atom of its pernicious gas will reconfigure and generate new material, thus making harmful substance become innocuous substance, the target product after process exports from space in the ring of the first electrode 2, or water vapour is by after ionization activation, then be decomposed into hydrogen through high-temperature plasma electric arc, oxygen activity chemicals utilize as gasifying agent, and solid organic waste substances is gasified as useful chemical raw material gas.

Claims (10)

1. a plasma pyrolysis device, comprise the first electrode (2), fender body (6), the second electrode (8), third electrode (9), supporter (10) and electromagnetic drive component, it is characterized in that the first electrode (2) is for torus structure, the torus of the first electrode (2) is embedded in overcoat (3); Fender body (6) is the through cylindrical structure in front and back, the outer wall of cylinder has pipeloop groove (6-1), has solenoid coil (7) in pipeloop groove (6-1); Second electrode (8) is ring structure, third electrode (9) is disc structure, there is via hole at the center of disc, and third electrode (9) is placed within the endless wall of the second electrode (8), has living space between the outer wall of third electrode (9) and the inwall of the second electrode (8); The circular groove body structure that supporter (10) is front opening, has through hole in the rear end wall body of circular groove body structure; The front end that the first electrode (2) is arranged on fender body (6) taken by overcoat (3), and the rear end of fender body (6) is connected to the front end of the second electrode (8), and the rear end of the second electrode (8) is arranged on the circular groove wall body of supporter (10); In the via hole at third electrode (9) disc center and in the through hole of supporter (10) circular groove body rear end wall body, there is punching to lead tight bar (11), the tight spiral shell head (11-2) of leading that punching leads tight bar (11) passes from the through hole of supporter (10) circular groove body rear end wall body, with Trunk Connector (12) screw lead tight bar (11) in punching lead on tight spiral shell head (11-2), there is axial channel at the center of Trunk Connector (12), there is connection spiral shell head (12-1) at the rear portion of Trunk Connector (12), and electromagnetic drive component is arranged on and connects on spiral shell head (12-1); Drive rod (13) is had in electromagnetic drive component, arc electrode (5) is had in the anterior body of rod of drive rod (13), when causing plasma arc, the head end of arc electrode (5) carries out the striking of stretch mode between the first electrode (2) and third electrode (9).
2. a kind of plasma pyrolysis device according to claim 1, is characterized in that carrying out circulating cooling agent in solenoid coil (7), makes solenoid coil (7) become the cooling coil of fender body (6); Solenoid coil (7) is energized, makes solenoid coil (7) become solenoid, produce Magnetic isolation layer in the cylinder inner circumferential of fender body (6).
3. a kind of plasma pyrolysis device according to claim 1, the wall body that it is characterized in that the front portion of the first electrode (2) there is location plush copper (2-1), the rear portion wall body of the first electrode (2) there is sealed step (2-2), sealed step (2-2) is sealed and matched with the front end face of fender body (6), front end (1) is had in the front end of overcoat (3), front end (1) is torus structure, front end (1) has bayonet socket (1-1), and bayonet socket (1-1) is sealed and matched with the location plush copper (2-1) of the first electrode (2) front portion.
4. a kind of plasma pyrolysis device according to claim 1, it is characterized in that the space between the first electrode (2) outer wall and overcoat (3) inwall forms cooling jacket (Ⅹ), cooling jacket (Ⅹ) has coolant inlet (Ⅸ) to access and coolant outlet (I) picks out.
5. a kind of plasma pyrolysis device according to claim 1, it is characterized in that in the annular solid of the second electrode (8), have ring-shaped air chamber (VII), ring-shaped air chamber (VII) has medium input interface (II), space between second electrode (8) inwall and third electrode (9) outer wall forms ionization channels (III), the interior space of fender body (6) forms plasma generation chamber (VIII), ring-shaped air chamber (VII) is communicated to plasma generation chamber (VIII) by ionization channels (III), and in the ring of the first electrode (2), space forms product exit (Ⅺ).
6. a kind of plasma pyrolysis device according to claim 1, is characterized in that the groove (9-1) having expansion in the via hole front end of third electrode (9); It is hollow-core construction that punching leads tight bar (11), and the groove (9-1) in interior space and third electrode (9) via hole front end that punching leads tight bar (11) passes through mutually and is communicated with, and punching leads the telescopic chute of interior space formation arc electrode (5) of tight bar (11).
7. a kind of plasma pyrolysis device according to claim 1, is characterized in that circular groove intracorporeal space looping cooling chamber (V) of supporter (10), and punching leads the inner ring wall body of the body of rod looping cooling chamber (V) of tight bar (11); Have cooling annular groove (9-2) in the inner side of third electrode (9), cooling annular groove (9-2) communicates with annular cooling chamber (V), and annular cooling chamber (V) has cooling liquid inlet (VI) to access and cooling liquid outlet (IV) picks out.
8. a kind of plasma pyrolysis device according to claim 1, it is characterized in that in device, there is brush (19), brush (19) and arc electrode (5) are electrically connected, and brush (19) is arranged on the rear end of supporter (10) or is arranged in Trunk Connector (12).
9. a kind of plasma pyrolysis device according to claim 1, is characterized in that drive rod (13) is hollow-core construction, in the middle part of drive rod (13) and in the hollow rod body at rear portion, have spaced magnetic bead (16) and spacer beads (18).
10. a kind of plasma pyrolysis device according to claim 1, it is characterized in that the rear portion of leading tight bar (11) in punching has the first electric interfaces (20) to access, the wall body of the second electrode (8) has the second electric interfaces (22) access, on the wall body of overcoat (3) or on front end (1), has the 3rd electric interfaces (25) access.
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