CN203827593U - Plasma torch used for dielectric heating - Google Patents

Plasma torch used for dielectric heating Download PDF

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Publication number
CN203827593U
CN203827593U CN201420207198.6U CN201420207198U CN203827593U CN 203827593 U CN203827593 U CN 203827593U CN 201420207198 U CN201420207198 U CN 201420207198U CN 203827593 U CN203827593 U CN 203827593U
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China
Prior art keywords
anode
insulating frame
dielectric heating
cooling water
plasma torch
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Expired - Fee Related
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CN201420207198.6U
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Chinese (zh)
Inventor
周开根
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Quzhou Yunrui Industrial Design Co Ltd
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Quzhou Yunrui Industrial Design Co Ltd
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Priority to CN201420207198.6U priority Critical patent/CN203827593U/en
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Abstract

The utility model discloses a plasma torch used for dielectric heating, and relates to plasma equipment. The plasma torch used for dielectric heating main comprises a front torch body, an anode, a rear torch body, a cathode and an insulating frame. A guide sleeve and a cylinder extending backward are disposed on the front torch body, and the guide sleeve is disposed in an inner space of the cylinder. The anode is inserted in the front torch body. The cylinder of the front torch body and the wall of the anode form a space to constitute a cooling water jacket. A cathode seat is disposed on a revolving body structure of the insulating frame. The extending cylinder of the front torch body is inserted into a front bell and spigot faucet of the insulating frame. The rear torch body is installed at the rear end of the insulating frame. The cathode seat of the rear torch body enters into a rear bell and spigot faucet of the insulating frame. The head of the cathode extends into a cylindrical space at the back of the anode. The head of the cathode and the wall at the back of the anode form a space to constitute an ionization channel. According to the utility model, the plasma torch used for dielectric heating can be used for the thermal decomposition of hydrogen production from water or for the disposal of hazardous substances, reducing dependence on coal and oil, and protecting the environment.

Description

A kind of plasma torch of dielectric heating purposes
Technical field
The utility model relates to plasma apparatus, particularly relates to a kind of plasma torch.
Background technology
Current, plasma technology is widely used, and the industrial plasma ignition, plasma spraying, metal smelt, heating plasma of being applied to manufactured nano material, cutting, waste incineration and refuse processing etc.Plasma is a kind of state forming under ionosphere or electric discharge phenomena, in plasma generator, discharge process makes work gas molecule lose outer-shell electron and form ionic condition, produce high temperature through mutually colliding, therefore, the central temperature of plasma flare can be up to more than tens thousand of degree Celsius, more than torch lip temperature also can reach thousands of degree, processed material is subject to high-temperature plasma while impacting, and its molecule will decompose, atom will reconfigure and generate new material.
The requirement difference of different application scenario article on plasma equipment, when for the treatment of harmful exhaust that Chemical Manufacture is discharged or for the hydrogen manufacturing of pyrolysis water, need heated medium there is stronger activity and in plasma gun, have enough residence times, therefore, the design of plasma equipment has proposed different requirements.Existing plasma apparatus can not meet the instructions for use of harmful exhaust processing or the hydrogen manufacturing of pyrolysis water.
Utility model content
The purpose of this utility model is to provide a kind of plasma torch of dielectric heating purposes, for the hydrogen manufacturing of pyrolysis water or for the treatment of harmful substance, reduces the dependence to coal oil, realizes clean burning, preserves the ecological environment.
The plasma torch of a kind of dielectric heating purposes of the present utility model, it is characterized in that spray gun is mainly made up of front gun body (2), anode (4), rear lance (14), negative electrode (7) and insulating frame (23), wherein, front gun body (2) is rotary structure, the cylindrical shell (22) that has flow guiding casing tube (6) on front gun body (2) and extend back, flow guiding casing tube (6) is in the interior space of cylindrical shell (22), anode (4) is embedded in the revolving body of front gun body (2), the front portion of anode (4) is by the flared structure narrowing gradually after forward direction, the interior space of flared structure forms ion arc passage (I), the rear portion of flared structure is the aditus laryngis of circle hole shape, the aditus laryngis of circle hole shape forms pressure channel (IV), the cylindrical space, rear portion of anode (4), the cylindrical space at anode (4) rear portion is communicated to ion arc passage (I) by pressure channel (IV), space between front gun body (2) cylindrical shell and anode (4) wall body forms cooling jacket, flow guiding casing tube (6) is divided into outer water jacket (II) and internal layer water jacket (III) cooling jacket, the rear end of outer water jacket (II) and the rear end of internal layer water jacket (III) are interconnected, the front end of outer water jacket (II) has cooling water inlet (5) access, and the front end of internal layer water jacket (III) has coolant outlet (3) to pick out, rear lance (14) is rotary structure, has cathode block (18) on the rotary structure of rear lance (14), and cathode block (18) is pipe body structure, and negative electrode (7) is arranged on the front end of cathode block (18), has cooling chamber (IX) in the body of negative electrode (7), in the body of insulating frame (23), there are front bell and spigot and rear bell and spigot, between front bell and spigot and rear bell and spigot, be communicated with by manhole, front gun body (2) is arranged on the front end of insulating frame (23), the extension cylindrical shell (22) of front gun body (2) is inserted in the front bell and spigot of insulating frame (23), rear lance (14) is arranged on the rear end of insulating frame (23), cathode block (18) on rear lance (14) enters into the rear bell and spigot of insulating frame (23), negative electrode (7) head of cathode block (18) front end extend in the cylindrical space at anode (4) rear portion, space between the head of negative electrode (7) and anode (4) rear portion wall body forms ionization channels (V), space between cathode block (18) wall body and insulating frame (23) wall body forms eddy flow passage (VI), eddy flow passage (VI) is communicated to ionization channels (V), eddy flow passage (VI) has work gas access port (19) access.
In the utility model, in front gun body (2), there is end socket (20), between the inwall of the outer wall of anode (4) rear end and cylindrical shell (22) rear end, be closely connected by end socket (20), the front end outer wall of anode (4) is closely connected with the front inner wall of front gun body (2); The orifice throat ratio of pressure channel (IV) is 0.7-1.5, the entrance flare of pressure channel (IV) narrow aditus structure; In the rotary structure of rear lance (14), there is mozzle (15), the interior space of mozzle (15) forms cooling water input channel (VII), space between mozzle (15) outer wall and cathode block (18) inwall forms cooling water return flow line (VIII), cooling water input channel (VII) and cooling water return flow line (VIII) are communicated to cooling chamber (IX), cooling water input channel (VII) has cooling water input interface (16) access, and cooling water return flow line (VIII) has cooling water backflow interface (17) to pick out; Work gas access port (19) is arranged on rear lance (14) above or is arranged on the wall body of insulating frame (23), and work gas access port (19) doubles as heat medium access port, and work gas access port (19) is with tangential direction access eddy flow passage (VI); Insulating frame (23) doubles as magnetic compression coil rack, on the outer wall of insulating frame (23), has wire casing structure, has magnetic compression coil (24) in wire casing structure, and magnetic compression coil (24) has input (10) and output (9); Between front gun body (2) and the front end joint face of insulating frame (23), there is sealing gasket (1); The head of negative electrode (7) is hemisphere structure, on the interface of negative electrode (7) and cathode block (18), has sealing ring (8); On the outer wall of cathode block (18), have collet (12), there is bulge loop the rear end of collet (12), and the bulge loop of collet (12) rear end forms the seal between rear lance (14) and insulating frame (23); In eddy flow passage (VI), have eddy flow fin (11), eddy flow fin (11) is connected as a single entity with insulating frame (23), or eddy flow fin (11) is connected as a single entity with collet (12).
Above-mentioned utility model is in the time of application, the input of magnetic compression coil (24) (10) and negative electrode (7) are electrically connected, the output of magnetic compression coil (24) (9) and the negative pole of direct current main power source are electrically connected, the positive pole of direct current main power source and anode (4) are electrically connected, meanwhile, striking power supply is connected between anode (4) and negative electrode (7); Cooling water input interface (16) on cooling water inlet (5) and rear lance (14) on front gun body (2) is connected on the supply channel of cooling system by the water pipe of insulation material respectively, the cooling water backflow interface (17) on coolant outlet (3) and rear lance (14) on front gun body (2) is connected on the water return pipeline of cooling system by the water pipe of insulation material respectively; Work gas/heat medium access port (19) is connected on the output interface in work source of the gas and heat medium source by by-pass valve control respectively.In the time that the utility model is used for processing harmful exhaust, the outlet of the ion arc passage (I) of anode (4) is connected to waste heat boiler, adopt waste heat boiler to reclaim heat energy utilization; When the utility model during during for the hydrogen manufacturing of pyrolysis water and coal gasification coproduction gas making or for disposal of solid refuse, is exported the ion arc passage (I) of anode (4) to be connected to gasification hearth, produce synthesis gas.
" heat → merit " transfer process has been avoided in the thermal decomposition of pure water, and heat energy is directly converted to Hydrogen Energy, and theoretical transformation efficiency is very high, but this reaction needs to absorb a large amount of heat energy.If pressure fixing is 0.05Par, when temperature is 2000K, water base is not decomposed, and can have 25% water to decompose when 2500K, and when 2800K, the resolution ratio of water can be up to 55%.Under condition of normal pressure, the optimum temperature of pyrolysis water is 3400~3500K, and general mode of heating is difficult to reach so high temperature, uses plasma gun to be easy to accomplish.But while using separately the hydrogen manufacturing of plasma gun pyrolysis water, hydrogen, oxygen can not separate in time easy generation back reaction and make hydrogen yield low, and have a waste heat recovery difficult problem, cause energy loss, thereby do not have an economy.The beneficial effect that the hydrogen manufacturing of plasma pyrolysis water and coal gasification coproduction gas making realize is: one. the charcoal in gasification furnace is as oxygen uptake and inhale hydrogen element, absorb in time the analyte of plasma pyrolysis water generates, generate carbon monoxide and hydrogen, avoid the hydrogen of water decomposition, oxygen to carry out back reaction; Two. utilize the heat absorption in coal gasification course to reclaim the waste heat of plasma pyrolysis water hydrogen manufacturing, utilize the analyte of hydrone and the exothermic reaction of charcoal to provide required heat for coal raw material stoving and pyrolysis, thereby do not need to input comburant oxygen in gasification furnace, reduce the charcoal loss of oxidation reaction and reduce waste gas; Three. the temperature of reflecting point is high, can improve rate of gasification, and rate of gasification almost reaches 100%.
In the utility model, the workflow in each loop is: a road cooling water enters into the outer water jacket (II) of front gun body (2) from cooling water inlet (5), cooling water flow (21) is turned back and is entered internal layer water jacket (III) by the space of flow guiding casing tube (6) rear end, flowed out by coolant outlet (3) again, turn back to cooling system by water pipe and recycle after cooling, another road cooling water is from cooling water input interface (16) input of rear lance (14), enter into the cooling chamber (IX) in negative electrode (7) body by cooling water input channel (VII), then by the output of cooling water return flow line (VIII) and cooling water backflow interface (17), turn back to cooling system by water pipe and recycle after cooling, the heat medium of work gas or gaseous state enters eddy flow passage (VI) by the gas/heat medium access port (19) of working with tangential way and forms swirling eddy, then enter pressure channel (IV) by ionization channels (V), after formation ion arc, spray spray gun through ion arc passage (I), direct current main power source is switched on anode (4) and negative electrode (7), striking power supply is applied to striking voltage between anode (4) and negative electrode (7), make generation electric field in ionization channels (V), to carrying out ionization process through work gas or the gaseous state heat medium of ionization channels (V), simultaneously, make to discharge between the hemisphere head end of negative electrode (7) and the tubaeform wall body of anode (4), generate plasma arc, the energy of direct current main power source is to the heat medium of work gas or gaseous state, make the heat medium of work gas or gaseous state become the ion arc of high temperature, make the heat medium of gaseous state be decomposed or reconfigure and generate new material.
In above-mentioned utility model, adopt flow guiding casing tube (6) to carry out water conservancy diversion at the cooling water of anode (4), cooling water is turned back and is entered internal layer water jacket (III) from the space of flow guiding casing tube (6) rear end, flowed out by the front end of internal layer water jacket (III) again, make cooling water wash away the effective area of anode (4) wall body large, and wash away evenly, there is no dead angle, the cooling effect of antianode is better.
In above-mentioned utility model, in the body of insulating frame (23), have front bell and spigot and rear bell and spigot, between front bell and spigot and rear bell and spigot, be communicated with by manhole, this not only facilitates the installation of front gun body (2) and rear lance (14), and in the time of work, avoid the parasitic electric arc of generation in rifle body; Insulating frame (23) is doubled as to coil rack, and the number of turns that can hold coil is more, makes the effect of magnetic compression coil larger, and the more compact structure of spray gun.
Above-mentioned utility model in the specific implementation, front gun body (2) selects stainless steel material to make, anode (4) selects red copper material to make, anode (4) adopts interference fit to assemble with front gun body (2), to solve the connectivity problem of red copper material and stainless steel material, therefore, in front gun body (2), there is end socket (20), between the inwall of the outer wall of anode (4) rear end and cylindrical shell (22) rear end, be closely connected by end socket (20), anode (4) is assemblied in the process in front gun body (2), before, the assembling substep of rear end carries out, anode (4) is easily embedded in front gun body (2), can adopt larger interference fit, reach connection tightr, seal more reliable effect.
In above-mentioned utility model, on the outer wall of cathode block (18), be added with collet (12), when concrete enforcement, collet (12) selects polytetrafluoroethylmaterial material to make, in the time that heated medium is water vapour, can prevent that water vapour is cooling by cathode block (18), in the time that heated medium contains etchant gas, can prevent that cathode block (18) is corroded.
The beneficial effects of the utility model are: the plasma torch of a kind of dielectric heating purposes providing, for the hydrogen manufacturing of pyrolysis water or for the treatment of harmful substance, reduce the dependence to coal oil, and realize clean burning, preserve the ecological environment.In the time producing for coal gasification, overcome the shortcoming that rate of gasification is low, coal resources consumption is large that routine techniques exists; In the time of gasification for house refuse and biomass, the synthesis gas that is high-quality house refuse or biomass conversion, meets the unstripped gas requirement of methanol or dimethyl ether, for realizing house refuse zero discharge, pollution-free, disposal of resources provides support.
Brief description of the drawings
Accompanying drawing 1 is the plasma torch structure chart of a kind of dielectric heating purposes of the present utility model.
In figure: 1. sealing gasket, 2. front gun body, 3. coolant outlet, 4. anode, 5. cooling water inlet, 6. flow guiding casing tube, 7. negative electrode, 8. sealing ring, 9. the output of magnetic compression coil, 10. the input of magnetic compression coil, 11. eddy flow fins, 12. collets, 13. bolts, 14. rear lances, 15. mozzles, 16. cooling water input interfaces, 17. cooling water backflow interfaces, 18. cathode blocks, 19. work gas/heat medium access ports, 20. end sockets, 21. cooling water flows, the extension cylindrical shell of 22. front gun bodies, 23. insulating frames, 24. magnetic compression coils, I. ion arc passage, II. outer water jacket, III. internal layer water jacket, IV. pressure channel, V. ionization channels, VI. eddy flow passage, VII. cooling water input channel, VIII. cooling water return flow line, IX. cooling chamber.
Embodiment
In embodiment execution mode shown in the drawings, a kind of plasma torch of dielectric heating purposes is mainly made up of front gun body (2), anode (4), rear lance (14), negative electrode (7) and insulating frame (23), wherein, front gun body (2) is rotary structure, the cylindrical shell (22) that has flow guiding casing tube (6) on front gun body (2) and extend back, flow guiding casing tube (6), in the interior space of cylindrical shell (22), has end socket (20) in front gun body (2), anode (4) is embedded in the revolving body of front gun body (2), anode (4) adopts interference fit to assemble with front gun body (2), the front portion of anode (4) is by the flared structure narrowing gradually after forward direction, the interior space of flared structure forms ion arc passage (I), the rear portion of flared structure is the aditus laryngis of circle hole shape, the aditus laryngis of circle hole shape forms pressure channel (IV), the orifice throat ratio of pressure channel (IV) is 0.7-1.5, the entrance flare of pressure channel (IV) narrow aditus structure, the cylindrical space, rear portion of anode (4), the cylindrical space at anode (4) rear portion is communicated to ion arc passage (I) by pressure channel (IV), between the inwall of the outer wall of anode (4) rear end and cylindrical shell (22) rear end, be closely connected by end socket (20), the front end outer wall of anode (4) is closely connected with the front inner wall of front gun body (2), space between front gun body (2) cylindrical shell and anode (4) wall body forms cooling jacket, flow guiding casing tube (6) is divided into outer water jacket (II) and internal layer water jacket (III) cooling jacket, the rear end of outer water jacket (II) and the rear end of internal layer water jacket (III) are interconnected, the front end of outer water jacket (II) has cooling water inlet (5) access, and the front end of internal layer water jacket (III) has coolant outlet (3) to pick out, rear lance (14) is rotary structure, on the rotary structure of rear lance (14), there are cathode block (18) and mozzle (15), cathode block (18) is pipe body structure, negative electrode (7) is arranged on the front end of cathode block (18), in the body of negative electrode (7), there is cooling chamber (IX), the head of negative electrode (7) is hemisphere structure, on the interface of negative electrode (7) and cathode block (18), there is sealing ring (8), mozzle (15) is in the pipe of cathode block (18), the interior space of mozzle (15) forms cooling water input channel (VII), space between mozzle (15) outer wall and cathode block (18) inwall forms cooling water return flow line (VIII), cooling water input channel (VII) and cooling water return flow line (VIII) are communicated to cooling chamber (IX), cooling water input channel (VII) has cooling water input interface (16) access, cooling water return flow line (VIII) has cooling water backflow interface (17) to pick out, in the body of insulating frame (23), there are front bell and spigot and rear bell and spigot, between front bell and spigot and rear bell and spigot, be communicated with by manhole, insulating frame (23) doubles as magnetic compression coil rack, on the outer wall of insulating frame (23), there is wire casing structure, in wire casing structure, there is magnetic compression coil (24), magnetic compression coil (24) is selected the coiling of yarn bag copper tube, and magnetic compression coil (24) has input (10) and output (9), front gun body (2) is arranged on the front end of insulating frame (23), between front gun body (2) and the front end joint face of insulating frame (23), there is sealing gasket (1), the extension cylindrical shell (22) of front gun body (2) is inserted in the front bell and spigot of insulating frame (23), rear lance (14) is arranged on the rear end of insulating frame (23), cathode block (18) on rear lance (14) enters into the rear bell and spigot of insulating frame (23), negative electrode (7) head of cathode block (18) front end extend in the cylindrical space at anode (4) rear portion, space between the head of negative electrode (7) and anode (4) rear portion wall body forms ionization channels (V), space between cathode block (18) wall body and insulating frame (23) wall body forms eddy flow passage (VI), eddy flow passage (VI) is communicated to ionization channels (V), work gas access port (19) is arranged on the wall body of insulating frame (23), and work gas access port (19) doubles as heat medium access port, and work gas access port (19) is with tangential direction access eddy flow passage (VI).In the present embodiment, have collet (12) on the outer wall of cathode block (18), there is bulge loop the rear end of collet (12), and the bulge loop of collet (12) rear end forms the seal between rear lance (14) and insulating frame (23); In eddy flow passage (VI), have eddy flow fin (11), eddy flow fin (11) is connected as a single entity with collet (12).
The present embodiment is in the time of application, the input of magnetic compression coil (24) (10) and negative electrode (7) are electrically connected, the output of magnetic compression coil (24) (9) and the negative pole of direct current main power source are electrically connected, the positive pole of direct current main power source and anode (4) are electrically connected, meanwhile, striking power supply is connected between anode (4) and negative electrode (7); Cooling water input interface (16) on cooling water inlet (5) and rear lance (14) on front gun body (2) is connected on the supply channel of cooling system by the water pipe of insulation material respectively, the cooling water backflow interface (17) on coolant outlet (3) and rear lance (14) on front gun body (2) is connected on the water return pipeline of cooling system by the water pipe of insulation material respectively; Work gas/heat medium access port (19) is connected on the output interface in work source of the gas and heat medium source by by-pass valve control respectively, has input (10) to be connected with the pipeline of cooling system with output (9) magnetic compression coil (24).In the time that the present embodiment is used for processing harmful exhaust, the outlet of the ion arc passage (I) of anode (4) is connected to waste heat boiler, adopt waste heat boiler to reclaim heat energy utilization; When the present embodiment during during for the hydrogen manufacturing of pyrolysis water and coal gasification coproduction gas making or for disposal of solid refuse, is exported the ion arc passage (I) of anode (4) to be connected to gasification hearth, produce synthesis gas.The present embodiment is in the time of work, and work gas is selected air, nitrogen, hydrogen one wherein, and the supply gas pressure of work gas is 0.5~1MPa; Heat medium comprises water vapour and industrial waste gas, and in the time that heat medium is water vapour, water vapour doubles as work gas simultaneously, and the pressure of steam supply of water vapour is 0.5 MPa.
In the present embodiment, front gun body (2) and rear lance (14) select stainless steel material to make, anode (4) and end socket (20) select red copper material to make, negative electrode (7) selects cerium tungsten alloy material to make, collet (12) selects polytetrafluoroethylmaterial material to make, and insulating frame (23) selects bakelite material or polytetrafluoroethylmaterial material to make.

Claims (10)

1. the plasma torch of a dielectric heating purposes, it is characterized in that spray gun is mainly made up of front gun body (2), anode (4), rear lance (14), negative electrode (7) and insulating frame (23), wherein, front gun body (2) is rotary structure, the cylindrical shell (22) that has flow guiding casing tube (6) on front gun body (2) and extend back, flow guiding casing tube (6) is in the interior space of cylindrical shell (22), anode (4) is embedded in the revolving body of front gun body (2), the front portion of anode (4) is by the flared structure narrowing gradually after forward direction, the interior space of flared structure forms ion arc passage (I), the rear portion of flared structure is the aditus laryngis of circle hole shape, the aditus laryngis of circle hole shape forms pressure channel (IV), the cylindrical space, rear portion of anode (4), the cylindrical space at anode (4) rear portion is communicated to ion arc passage (I) by pressure channel (IV), space between front gun body (2) cylindrical shell and anode (4) wall body forms cooling jacket, flow guiding casing tube (6) is divided into outer water jacket (II) and internal layer water jacket (III) cooling jacket, the rear end of outer water jacket (II) and the rear end of internal layer water jacket (III) are interconnected, the front end of outer water jacket (II) has cooling water inlet (5) access, and the front end of internal layer water jacket (III) has coolant outlet (3) to pick out, rear lance (14) is rotary structure, has cathode block (18) on the rotary structure of rear lance (14), and cathode block (18) is pipe body structure, and negative electrode (7) is arranged on the front end of cathode block (18), has cooling chamber (IX) in the body of negative electrode (7), in the body of insulating frame (23), there are front bell and spigot and rear bell and spigot, between front bell and spigot and rear bell and spigot, be communicated with by manhole, front gun body (2) is arranged on the front end of insulating frame (23), the extension cylindrical shell (22) of front gun body (2) is inserted in the front bell and spigot of insulating frame (23), rear lance (14) is arranged on the rear end of insulating frame (23), cathode block (18) on rear lance (14) enters into the rear bell and spigot of insulating frame (23), negative electrode (7) head of cathode block (18) front end extend in the cylindrical space at anode (4) rear portion, space between the head of negative electrode (7) and anode (4) rear portion wall body forms ionization channels (V), space between cathode block (18) wall body and insulating frame (23) wall body forms eddy flow passage (VI), eddy flow passage (VI) is communicated to ionization channels (V), eddy flow passage (VI) has work gas access port (19) access.
2. the plasma torch of a kind of dielectric heating purposes according to claim 1, it is characterized in that in front gun body (2), there is end socket (20), between the inwall of the outer wall of anode (4) rear end and cylindrical shell (22) rear end, be closely connected by end socket (20), the front end outer wall of anode (4) is closely connected with the front inner wall of front gun body (2).
3. the plasma torch of a kind of dielectric heating purposes according to claim 1, the orifice throat ratio that it is characterized in that pressure channel (IV) is 0.7-1.5, the entrance flare of pressure channel (IV) narrow aditus structure.
4. the plasma torch of a kind of dielectric heating purposes according to claim 1, it is characterized in that in the rotary structure of rear lance (14), there is mozzle (15), the interior space of mozzle (15) forms cooling water input channel (VII), space between mozzle (15) outer wall and cathode block (18) inwall forms cooling water return flow line (VIII), cooling water input channel (VII) and cooling water return flow line (VIII) are communicated to cooling chamber (IX), cooling water input channel (VII) has cooling water input interface (16) access, cooling water return flow line (VIII) has cooling water backflow interface (17) to pick out.
5. the plasma torch of a kind of dielectric heating purposes according to claim 1, it is characterized in that work gas access port (19) is arranged on rear lance (14) above or is arranged on the wall body of insulating frame (23), work gas access port (19) doubles as heat medium access port, and work gas access port (19) is with tangential direction access eddy flow passage (VI).
6. the plasma torch of a kind of dielectric heating purposes according to claim 1, it is characterized in that insulating frame (23) doubles as coil rack, on the outer wall of insulating frame (23), there is wire casing structure, in wire casing structure, have magnetic compression coil (24), magnetic compression coil (24) has input (10) and output (9).
7. the plasma torch of a kind of dielectric heating purposes according to claim 1, is characterized in that there is sealing gasket (1) between front gun body (2) and the front end joint face of insulating frame (23).
8. the plasma torch of a kind of dielectric heating purposes according to claim 1, the head that it is characterized in that negative electrode (7) is hemisphere structure, on the interface of negative electrode (7) and cathode block (18), has sealing ring (8).
9. the plasma torch of a kind of dielectric heating purposes according to claim 1, it is characterized in that on the outer wall of cathode block (18), there is collet (12), there is bulge loop the rear end of collet (12), and the bulge loop of collet (12) rear end forms the seal between rear lance (14) and insulating frame (23).
10. according to the plasma torch of a kind of dielectric heating purposes described in claim 1 or 9, it is characterized in that in eddy flow passage (VI), there is eddy flow fin (11), eddy flow fin (11) is connected as a single entity with insulating frame (23), or eddy flow fin (11) is connected as a single entity with collet (12).
CN201420207198.6U 2014-04-27 2014-04-27 Plasma torch used for dielectric heating Expired - Fee Related CN203827593U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
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CN104333968A (en) * 2014-10-18 2015-02-04 周开根 Cathode of plasma torch
CN104378901A (en) * 2014-11-01 2015-02-25 衢州市广源生活垃圾液化技术研究所 Two-stage arc plasma torch
CN104470186A (en) * 2014-12-11 2015-03-25 中国航天空气动力技术研究院 Large-current low-ablation arc electrode
CN104470187A (en) * 2014-11-13 2015-03-25 周开根 Double-pole electric arc plasma torch used for water pyrolysis
CN104754849A (en) * 2015-04-12 2015-07-01 衢州迪升工业设计有限公司 Jet-propelled cathode and plasma gasification spray gun
CN104363690B (en) * 2014-10-30 2016-08-31 衢州昀睿工业设计有限公司 A kind of plasma torch of two-step nozzle structure
CN106604516A (en) * 2014-11-11 2017-04-26 衢州昀睿工业设计有限公司 Plasma pyrolysis water spray gun for millipore membrane cathode
CN109640503A (en) * 2018-12-21 2019-04-16 西安航天动力研究所 A kind of DC arc plasma jet of efficient and long life broad power band
CN110548373A (en) * 2019-08-12 2019-12-10 航天环境工程有限公司 Treatment system, treatment method and application for treating VOCs waste gas by plasma
WO2022011581A1 (en) * 2020-07-15 2022-01-20 Nordson Corporation Plasma treatment with isolated cooling paths

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104333968A (en) * 2014-10-18 2015-02-04 周开根 Cathode of plasma torch
CN104363690B (en) * 2014-10-30 2016-08-31 衢州昀睿工业设计有限公司 A kind of plasma torch of two-step nozzle structure
CN104378901B (en) * 2014-11-01 2016-08-17 衢州昀睿工业设计有限公司 A kind of two stage electric arc plasma torch
CN104378901A (en) * 2014-11-01 2015-02-25 衢州市广源生活垃圾液化技术研究所 Two-stage arc plasma torch
CN106604516A (en) * 2014-11-11 2017-04-26 衢州昀睿工业设计有限公司 Plasma pyrolysis water spray gun for millipore membrane cathode
CN104470187A (en) * 2014-11-13 2015-03-25 周开根 Double-pole electric arc plasma torch used for water pyrolysis
CN104470187B (en) * 2014-11-13 2016-10-05 衢州昀睿工业设计有限公司 A kind of two stage electric arc plasma torch for being pyrolyzed water
CN104470186A (en) * 2014-12-11 2015-03-25 中国航天空气动力技术研究院 Large-current low-ablation arc electrode
CN104470186B (en) * 2014-12-11 2017-06-13 中国航天空气动力技术研究院 High current low fever loses arc-shaped electrode
CN104754849A (en) * 2015-04-12 2015-07-01 衢州迪升工业设计有限公司 Jet-propelled cathode and plasma gasification spray gun
CN109640503A (en) * 2018-12-21 2019-04-16 西安航天动力研究所 A kind of DC arc plasma jet of efficient and long life broad power band
CN110548373A (en) * 2019-08-12 2019-12-10 航天环境工程有限公司 Treatment system, treatment method and application for treating VOCs waste gas by plasma
WO2022011581A1 (en) * 2020-07-15 2022-01-20 Nordson Corporation Plasma treatment with isolated cooling paths

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