CN204733449U - A kind of insulation gun rack of two stage electric arc plasma torch - Google Patents

Abstract

A kind of insulation gun rack of two stage electric arc plasma torch, relate to plasma apparatus, insulation gun rack is rotary structure, the first inner chamber, the second inner chamber, the 3rd inner chamber and the 4th inner chamber is had in rotary structure, between the first inner chamber and the second inner chamber, have slider, between the 3rd inner chamber and the 4th inner chamber, have isolation bulge loop, negative electrode back seat is arranged on the rear end of the first inner chamber, negative electrode is arranged in the first inner chamber, and the overdose space of the first inner chamber forms raw material air chamber; The first anode is arranged in the second inner chamber, and the space in the outer wall of the first anode and second between cavity wall forms the cooling jacket of the first anode; The overdose space formation work air chamber of the 3rd inner chamber; Second plate is arranged in the 4th inner chamber, and the space in the outer wall of second plate and the 4th between cavity wall forms the cooling jacket of second plate.The utility model utilizes the outer wall of wall body as anode cooling jacket of insulation gun rack, reduces the volume of spray gun and saves metal material, and avoiding cooling water leakage.

Description

A kind of insulation gun rack of two stage electric arc plasma torch

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, 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, produces high temperature through mutually colliding, and temperature can reach more than several ten thousand degree.

Plasma pyrolysis water hydrogen producing technology is one of water hydrogen manufacturing candidate technologies put forward recent years, because water is a kind of material of quite stable, in atmospheric conditions, temperature hydrone when 2000K decomposes hardly, the water of 25% is had to decompose during 2500K, during 3400 ~ 3500K, the molar fraction of hydrogen and oxygen reaches maximum, be respectively 18% and 6%, when temperature reaches more than 4200K, hydrone all will be decomposed into hydrogen, hydrogen, oxygen, oxygen and hydrogen-oxygen atomic group, general mode of heating is difficult to reach so high temperature, use plasma torch then can accomplish, the discarded object that application plasma torch process danger is harmful and house refuse, gasification furnace is made not need input air or oxygen, the synthesis gas quality better that house refuse is transformed, reach the requirement of industrial chemicals, synthesis gas by rear class device fabrication methyl alcohol or dimethyl ether product, realizes resource and pollution-free process house refuse again, coal gasification production line sprays in gasification furnace after utilizing plasma torch that steam heating is decomposed again, chemical reaction is carried out with coal, the reaction occurred is exothermic reaction, gasification furnace is made not need input air or comburant oxygen, in the synthesis gas produced, the fraction scale of hydrogen is high, the content of waste gas is low, realizes energy-saving and emission-reduction.

Needed cooling jacket in the anode construction of plasma torch, the cooling jacket of nozzle-type anode is arranged in the revolving body wall body of integrated anode, and this kind of anode need adopt the manufacture of fusible pattern technology, and manufacturing process is more complicated; Jet tube anode is made up of anode nozzle and anode overcoat, anode nozzle and anode overcoat use metal material, anode nozzle is embedded among anode overcoat, cooling jacket is made up of the space between anode nozzle and anode overcoat, the two ends of cooling jacket are sealed by the face of combining closely embedding mouth, there is cooling water leakage situation.

Utility model content

The purpose of this utility model is the shortcoming that will overcome existing plasma torch; avoid cooling water leakage; the negative electrode of article on plasma spray gun body and anode carry out available protecting; and improve the efficiency of heating surface of Plasma gasification spray gun; make the treatment temperature that plasma torch reaches higher; improve the efficiency of heating surface and the capacity of decomposition of plasma torch, to meet the application requirement of the hydrogen manufacturing of pyrolysis water, coal gasification, utility boiler igniting, solid waste disposal, pernicious gas process, Odor control.

A kind of insulation gun rack of plasma torch, in rotary structure, it is characterized in that in rotary structure, there is the first inner chamber II, second inner chamber III, 3rd inner chamber Ⅹ and the 4th inner chamber Ⅺ, first inner chamber II, second inner chamber III, 3rd inner chamber Ⅹ and the 4th inner chamber Ⅺ are arranged successively before backward, slider 2-2 is had between the first inner chamber II and the second inner chamber III, there is circular hole at the center of slider 2-2, have between the 3rd inner chamber Ⅹ and the 4th inner chamber Ⅺ and isolate bulge loop 2-9, negative electrode back seat is arranged on the rear end of the first inner chamber II, negative electrode is arranged in the first inner chamber II, the overdose space of the first inner chamber II forms raw material air chamber, there is mounting interface 2-6 the rear end of the first inner chamber II, the wall body of the first inner chamber II there is unstripped gas input interface 2-1, the first anode is arranged in the second inner chamber III, space between the outer wall of the first anode and the second inner chamber III inwall forms the cooling jacket of the first anode, there is bell and spigot 2-4 the front end of the second inner chamber III, the wall body of the second inner chamber III has coolant entrance 2-5 access and coolant outlet 2-7 pick out, the front end of the first anode and the rear end of second plate enter into the overdose space formation work air chamber of the 3rd inner chamber the Ⅹ, three inner chamber Ⅹ, and the wall body of the 3rd inner chamber Ⅹ has work gas input port 2-8, second plate is arranged on the 4th inner chamber Ⅺ, and the space between the outer wall of second plate and the 4th inner chamber Ⅺ inwall forms the cooling jacket of second plate, and there is birdsmouth 2-11 the front end of the 4th inner chamber Ⅺ, and the wall body of the 4th inner chamber Ⅺ has cooling water inlet interface 2-13.The utility model as two stage electric arc plasma torch negative electrode and positive electrode between connection support component, utilize the outer wall of wall body as the first anode and second plate cooling jacket of insulation gun rack, the volume and the saving metal material consumption that reduce spray gun can be realized, and be convenient to use encapsulant to avoid cooling water leakage in bell and spigot 2-4 and in birdsmouth 2-11, overcome the shortcoming that existing plasma torch cooling water easily leaks.

The beneficial effects of the utility model are: the purpose of this utility model is the shortcoming that will overcome existing plasma torch, utilize the outer wall of wall body as the first anode and second plate cooling jacket of insulation gun rack, realize the volume and the saving metal material consumption that reduce spray gun, and avoid cooling water leakage.The utility model improves the efficiency of heating surface of Plasma gasification spray gun, make the treatment temperature that plasma torch reaches higher, improve the efficiency of heating surface and the capacity of decomposition of plasma torch, to meet the application requirement of the hydrogen manufacturing of pyrolysis water, coal gasification, utility boiler igniting, solid waste disposal, pernicious gas process, Odor control.

Accompanying drawing explanation

Fig. 1 is the insulation gun rack structure chart of two stage electric arc plasma torch of the present utility model.

Fig. 2 is the schematic diagram that insulation gun rack of the present utility model is applied in two stage electric arc plasma torch.

In figure: 1. negative electrode back seat, 1-1. coolant outlet, 1-2. mozzle, the electric negative contact of 1-3., 1-4. cooling water inlet, 2. insulate gun rack, 2 '. the extension of insulation gun rack, 2-1. unstripped gas input interface, 2-2. dividing plate, 2-3. sealing surface, 2-4. bell and spigot, 2-5. coolant entrance, 2-6. mounting interface, 2-7. coolant outlet, 2-8. work gas input port, 2-9. isolates bulge loop, 2-10. cooling backwater interface, 2-11. birdsmouth, 2-12. sealed end, 2-13. cooling water inlet interface, the mouth 2-14. be threaded, the electric anode interface of 3-3., 4. lock nut, 5. insulation cushion, 6. collet, 7. negative electrode, 8. copper washer, 9. the first anode, 10. second plate, 10-1. second plate is anterior, 10-2. second plate rear portion, 11. sealing rings, 12. locking nuts, 13. swirlers, I. return flow line, II. the first inner chamber, III. the second inner chamber, III '. annular groove, IV. spray chamber, V. compression duct, VI. region of discharge, VII. tangential air flue, VIII. cooling chamber, Ⅸ. intake tunnel, Ⅹ. the 3rd inner chamber, Ⅺ. the 4th inner chamber, Ⅻ. spray thorax, Ⅹ III. pressure channel, Ⅹ IV. discharge cavity, Ⅹ V. tangential channel.

Embodiment

embodiment 1it is a kind of insulation gun rack execution mode for two stage electric arc plasma torch shown in Fig. 1, insulation gun rack is rotary structure, rotary structure comprises the extension 2 ' of insulation gun rack, extension 2 ' screws in the front end of insulation gun rack in the mode that screw thread is installed, the first inner chamber II is had in the rotary structure of insulation gun rack, second inner chamber III, 3rd inner chamber Ⅹ and the 4th inner chamber Ⅺ, first inner chamber II, second inner chamber III, 3rd inner chamber Ⅹ and the 4th inner chamber Ⅺ are arranged successively before backward, slider 2-2 is had between the first inner chamber II and the second inner chamber III, there is circular hole at the center of slider 2-2, have between the 3rd inner chamber Ⅹ and the 4th inner chamber Ⅺ and isolate bulge loop 2-9, the rear end of the first inner chamber II is for installing negative electrode back seat, negative electrode is arranged in the first inner chamber II, the overdose space of the first inner chamber II forms raw material air chamber, there is mounting interface 2-6 the rear end of the first inner chamber II, the wall body of the first inner chamber II there is unstripped gas input interface 2-1, second inner chamber III is for installing the first anode, space between the outer wall of the first anode and the second inner chamber III inwall forms the cooling jacket of the first anode, there is bell and spigot 2-4 the front end of the second inner chamber III, the wall body of the second inner chamber III has coolant entrance 2-5 access and coolant outlet 2-7 pick out, 3rd inner chamber Ⅹ is for the rear end of the front end and second plate that hold the first anode, and the overdose space formation work air chamber of the 3rd inner chamber Ⅹ, the wall body of the 3rd inner chamber Ⅹ has work gas input port 2-8, 4th inner chamber Ⅺ is for installing second plate, and the space between the outer wall of second plate and the 4th inner chamber Ⅺ inwall forms the cooling jacket of second plate, and there is birdsmouth 2-11 the front end of the 4th inner chamber Ⅺ, and the wall body of the 4th inner chamber Ⅺ has cooling water inlet interface 2-13.The present embodiment as two stage electric arc plasma torch negative electrode and positive electrode between connection support component, the first anode is arranged in the second inner chamber III, second plate is arranged in the 4th inner chamber Ⅺ, utilize the outer wall of wall body as the first anode and second plate cooling jacket of insulation gun rack, the volume and the saving metal material consumption that reduce spray gun can be realized, and be convenient to use encapsulant to avoid cooling water leakage in bell and spigot 2-4 and in birdsmouth 2-11.

embodiment 2shown in Fig. 2 is the execution mode that insulation gun rack is applied in two stage electric arc plasma torch, plasma torch is by the gun rack 2 that insulate, negative electrode back seat 1, negative electrode 7, the first anode 9 and second plate 10 form, wherein, insulation gun rack 2 is in rotary structure, the first inner chamber II is had in the rotary structure of insulation gun rack 2, second inner chamber III, 3rd inner chamber Ⅹ and the 4th inner chamber Ⅺ, first inner chamber II, second inner chamber III, 3rd inner chamber Ⅹ and the 4th inner chamber Ⅺ are arranged successively before backward, slider is had between the first inner chamber II and the second inner chamber III, there is circular hole at the center of slider, isolation bulge loop is had between the 3rd inner chamber Ⅹ and the 4th inner chamber Ⅺ, there is mounting interface 2-6 the rear end of the first inner chamber II, there is bell and spigot 2-4 the front end of the second inner chamber III, there is birdsmouth 2-11 the front end of the 4th inner chamber Ⅺ, there is cooling water inlet 1-4 the rear end of negative electrode back seat 1, the side of negative electrode back seat 1 has coolant outlet 1-1, mozzle 1-2 is had in negative electrode back seat 1, in the pipe of mozzle 1-2, space forms intake tunnel Ⅸ, the peripheral space of mozzle 1-2 forms return flow line I, cooling water inlet 1-4 is communicated to intake tunnel Ⅸ, and coolant outlet 1-1 is communicated to return flow line I, the figure of negative electrode 7 is the cylindrical structure of reducing, the head end of negative electrode 7 is arc-shaped structure, hickey is had in the rear end of negative electrode 7 figure, negative electrode 7 is arranged on the front end of negative electrode back seat 1 in screw-in mode, cooling chamber VIII is had in the body of negative electrode 7, the delivery port of mozzle 1-2 extend in the cooling chamber VIII in negative electrode 7 body, and intake tunnel Ⅸ is communicated to return flow line I by cooling chamber VIII, the first anode 9 and second plate 10 are respectively venturi nozzle structure, the first anode 9 or second plate 10 are followed successively by the tubaeform section of narrowing before backward, aditus laryngis section and tubaeform diffuser, the first anode 9 is arranged in the second inner chamber III of insulation gun rack 2, the wall body of the first anode 9 head is embedded into the bell and spigot 2-4 interior formation sealing surface of the second inner chamber III front end, the afterbody of the first anode 9 is passed by the slider center hole of the gun rack 2 that insulate, the rear end of the first anode 9 enters into the first inner chamber II, use lock nut 4 that the first anode 9 is fixed, space between the outer wall of the first anode 9 and the second inner chamber III inwall forms the cooling jacket of the first anode, the cooling jacket of the first anode has coolant entrance 2-5 to access and coolant outlet 2-7 picks out, the head end of the first anode 9 extend into the left side of the 3rd inner chamber Ⅹ, second plate 10 is arranged in the 4th inner chamber Ⅺ of insulation gun rack 2, the wall body of second plate 10 front portion is embedded in the birdsmouth 2-11 of the 4th inner chamber Ⅺ front end and forms airtight, in the rear portion of second plate 10 is isolated bulge loop ring by the gun rack 2 that insulate, space passes, the rear end of second plate 10 enters into the right side of the 3rd inner chamber Ⅹ, use locking nut 12 that second plate 10 is fixed, space between the outer wall of second plate 10 and the 4th inner chamber Ⅺ inwall forms the cooling jacket of second plate, annular groove III ' is had in the wall body of second plate 10 front portion, annular groove III ' is communicated with the cooling jacket of second plate, the cooling jacket of second plate has the 2-13 access of cooling water inlet interface and cooling backwater interface 2-10 to pick out, negative electrode 7 is arranged on the front end of negative electrode back seat 1, negative electrode back seat 1 is taken negative electrode 7 and is arranged in the first inner chamber II of insulation gun rack 2, the head end of negative electrode 7 extend in the interior space of the tubaeform section of narrowing of the first anode 9 rear end, the overdose space of the first inner chamber II forms raw material air chamber, raw material air chamber has unstripped gas input interface 2-1 to access, in the tubaeform section of narrowing of the first anode 9 rear end, space forms region of discharge VI, the interior space of the first anode 9 aditus laryngis section forms compression duct V, the interior space of the first anode 9 is tubaeform diffuser forms spray chamber IV, the overdose space formation work air chamber of the 3rd inner chamber Ⅹ, work air chamber has work gas input port 2-8 to access, the interior space of the front end of the first anode 9 and the tubaeform section of narrowing of second plate 10 rear end forms discharge cavity Ⅹ IV, the interior space of second plate 10 aditus laryngis section forms pressure channel Ⅹ III, the interior space of second plate 10 is tubaeform diffuser is formed sprays thorax Ⅻ.In the present embodiment, have collet 6 at the cylindrical body outer wall of negative electrode 7 reducing, have tangential air flue VII in the front end of collet 6, raw material air chamber is communicated to region of discharge VI by tangential air flue VII; In the 3rd inner chamber Ⅹ, have swirler 13, there is tangential channel Ⅹ V front end of swirler 13, and work air chamber is communicated to discharge cavity Ⅹ IV by tangential channel Ⅹ V; Sealing ring 11 is had in birdsmouth 2-11; Copper washer 8 is had between negative electrode 7 and the front end of negative electrode back seat 1.

The present embodiment is applicable to the application requirement of the hydrogen manufacturing of pyrolysis water, coal gasification, Disposal of Domestic, industrial harmful gas process, Odor control, utility boiler igniting.During application, cooling water inlet 1-4, coolant entrance 2-5 and cooling water inlet interface 2-13 is connected on the supply channel of cooling system, coolant outlet 1-1, coolant outlet 2-7 and cooling backwater interface 2-10 is connected on the water return pipeline of cooling system, the steam supply pipe of water vapour is connected on unstripped gas input interface 2-1, the air supply pipe of work gas is connected on the 2-8 of work gas input port, described work gas is water vapour or hydrogen or melts down synthesis gas, the negative pole of plasma operation power supply is connected on negative electrode 7 by negative electrode back seat 1, the positive pole of plasma operation power supply is connected on second plate 10.During work, first via cooling water enters into mozzle 1-2 by cooling water inlet 1-4, delivery port again through mozzle 1-2 front end enters into the cooling chamber VIII in negative electrode 7, cooling chamber VIII wall body in target 7 carries out washing away cooling, after cooling water absorbs the heat of negative electrode 7, then turn back in cooling system through the peripheral channel of mozzle 1-2 by coolant outlet 1-1; Second road cooling water enters into the cooling jacket of the first anode by coolant entrance 2-5, after absorbing the heat of the first anode 9, then turn back in cooling system by coolant outlet 2-7; 3rd road cooling water enters into the cooling jacket of second plate by cooling water inlet interface 2-13, after absorbing the heat of second plate 10, then turns back in cooling system by cooling backwater interface 2-10; Water vapour is input in raw material air chamber by unstripped gas input interface 2-1, then enters into region of discharge VI by tangential air flue VII in swirling eddy mode; Using water vapour or hydrogen or melt down synthesis gas and be input in work air chamber as work gas by work gas input port 2-8, work gas enters into discharge cavity Ⅹ IV by tangential channel Ⅹ V in swirling eddy mode again; Electric energy is applied between negative electrode 7 and second plate 10, first order plasma arc is produced between the head end and the nozzle wall of the first anode 9 of negative electrode 7, simultaneously, second level plasma arc is produced between the head end and the nozzle wall of second plate 10 of the first anode 9, the compressed duct V of first order plasma arc sprays in spray chamber IV, sprayed by the outlet of spray chamber IV again, close compressed passage Ⅹ III with second level plasma arc to spray into and spray thorax Ⅻ, sprayed by the outlet of spraying thorax Ⅻ again, form the plasma flare of higher temperature.In said process, be ionized under the highfield effect of water vapour in region of discharge VI as activity chemistry thing, activity chemistry thing mixes with first order high-temperature plasma electric arc, spray chamber IV is entered by compression duct V, the activity chemistry thing of hydrogen and oxygen is broken down in hot environment, then mix with second level high-temperature plasma electric arc in discharge cavity Ⅹ IV, pressure channel Ⅹ III again, further ionized and heat up, make the resolution ratio of water vapour reach larger.

In the above embodiments, insulation gun rack 2 selects polytetrafluoroethylmaterial material or bakelite material to make, negative electrode back seat 1 selects stainless steel material to make, negative electrode 7 selects tungsten alloy material to make, the first anode 9 selects tungsten alloy material or chromium zirconium copper product to make, and second plate 10 selects tungsten alloy material or chromium zirconium copper product or stainless steel material to make.

Claims (1)

1. the insulation gun rack of a two stage electric arc plasma torch, in rotary structure, it is characterized in that in rotary structure, there is the first inner chamber (II), second inner chamber (III), 3rd inner chamber (Ⅹ) and the 4th inner chamber (Ⅺ), first inner chamber (II), second inner chamber (III), 3rd inner chamber (Ⅹ) and the 4th inner chamber (Ⅺ) are arranged successively before backward, slider (2-2) is had between the first inner chamber (II) and the second inner chamber (III), there is circular hole at the center of slider (2-2), isolation bulge loop (2-9) is had between the 3rd inner chamber (Ⅹ) and the 4th inner chamber (Ⅺ), negative electrode back seat is arranged on the rear end of the first inner chamber (II), negative electrode is arranged in the first inner chamber (II), the overdose space of the first inner chamber (II) forms raw material air chamber, there is mounting interface (2-6) rear end of the first inner chamber (II), the wall body of the first inner chamber (II) there is unstripped gas input interface (2-1), the first anode is arranged in the second inner chamber (III), space between the outer wall of the first anode and the second inner chamber (III) inwall forms the cooling jacket of the first anode, there is bell and spigot (2-4) front end of the second inner chamber (III), the wall body of the second inner chamber (III) has coolant entrance (2-5) access and coolant outlet (2-7) pick out, the front end of the first anode and the rear end of second plate enter into the 3rd inner chamber (Ⅹ), and the overdose space formation work air chamber of the 3rd inner chamber (Ⅹ), the wall body of the 3rd inner chamber (Ⅹ) has work gas input port (2-8), second plate is arranged on the 4th inner chamber (Ⅺ), space between the outer wall of second plate and the 4th inner chamber (Ⅺ) inwall forms the cooling jacket of second plate, there is birdsmouth (2-11) front end of the 4th inner chamber (Ⅺ), and the wall body of the 4th inner chamber (Ⅺ) has cooling water inlet interface (2-13).