CN104703376A - Large-power V-shaped plasma torch - Google Patents
Large-power V-shaped plasma torch Download PDFInfo
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- CN104703376A CN104703376A CN201310640807.7A CN201310640807A CN104703376A CN 104703376 A CN104703376 A CN 104703376A CN 201310640807 A CN201310640807 A CN 201310640807A CN 104703376 A CN104703376 A CN 104703376A
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Abstract
The invention relates to a large-power V-shaped plasma torch. A cathode arm, an anode arm and a jet mixing chamber form a V shape. The cathode arm is formed by a cathode and a plurality of electrode assemblies. The anode arm is formed by an anode and a plurality of electrode assemblies. The cathode arm and the anode arm are installed on the jet mixing chamber. The plasma torch is of a V-shaped structure. The cathode and the anode are on two end points of the V shape, and the mixing chamber is located at the bottom of the V shape. During working, plasma arcs are excited by the cathode and the anode, pass through a plurality of channels composed of the electrode assemblies, merge in the jet mixing chamber, and form a stable V-shaped arc. The power of the torch is decided by the length of the V-shaped arc, and the arc length is determined by the number of the electrode assemblies. The structure helps to improve the power, the thermal efficiency and the life of the torch.
Description
Technical field
The invention belongs to the improvement of power tool, relate to a kind of plasmatorch, especially relate to a kind of high-power V-shaped plasma torch.
Background technology
Along with plasma technology is at material, the energy, information, chemical industry, physics, the application in the fields such as medical science reaches its maturity, plasmatorch there has also been certain development, Hebei Institute of Laser discloses a kind of plasmatorch patent, publication number is CN1099547A, elaboration detailed in patent documentation Europe and the U.S. are about some patent disclosure situations of plasmatorch, the author thinks that the nozzle distance between this kind of plasmatorch negative electrode and anode is little, arc voltage is just relatively low, cause power low, but be the increase in the ablation that arc current just accelerates electrode, and require that the energy of cooling also strengthens, if add the distance between negative electrode and anode, voltage, power to improve, but bring the instability of electric arc, although the plasmatorch of Double-positive-pole structure can solve the problem, but due to complex structure, operation not easily and is not used.For this reason, Hebei Institute of Laser describes a kind of plasmatorch, when not increasing arc current, arc voltage is improved several times, this type of plasmatorch well solves above-mentioned Problems existing, also improve power, debugging, operate also relatively simple, but, this plasmatorch and straight line torch anode consumption too fast, efficiency neither be very desirable, the power reached in course of industrialization and running time are also all limited, therefore, one is provided to increase substantially power, the high powered plasma torch that life-span is long and the heat efficiency is high is the industrialized key point of plasma technology.
Summary of the invention
Order of the present invention is to solve the problems such as straight line plasmatorch power is low, the life-span is short, efficiency is low, and then it is simple, reasonable in design, high-power to provide a kind of structure, long-life, high efficiency a kind of high-power V-shaped plasma torch.
The technical scheme realizing above-mentioned purpose is: a kind of high-power V-shaped plasma torch, be made up of negative electrode, anode, electrode assemblie, jet mixing room, negative electrode and some electrode assemblies form cathode leg successively, anode and some electrode assemblies form anode beam successively, cathode leg and anode beam is V-shaped is connected on jet mixing room; It is characterized in that the V-shaped structure of the inner chamber of plasma torch electric arc, negative electrode, anode lay respectively at two end points of V-structure, and jet mixing room is positioned at bottom V-structure; During work, plasma arcs is excited by negative electrode and anode, the passage that electric arc is consisted of some electrode assemblies, and converge formation V-shape electric arc in jet mixing room, the power of torch is determined by V-shape arc length, and arc length is determined by the quantity of electrode assemblie.
Above-mentioned a kind of high-power V-shaped plasma torch, in the V-shaped structure of plasma torch, plasma torch inner chamber plasma arcs passage is V-shaped.
Above-mentioned a kind of high-power V-shaped plasma torch, its cathode leg, anode beam have a certain degree, and angular range is between 50 °-100 °.
Above-mentioned a kind of high-power V-shaped plasma torch, the electrode assemblie quantity of cathode leg, anode beam is identical, and the plasma arc length of generation is equal.
Above-mentioned a kind of high-power V-shaped plasma torch, the electrode assemblie of cathode leg, anode beam is provided with arc-initiating device, ensures longer plasma arcs striking.
Above-mentioned a kind of high-power V-shaped plasma torch, electrode assemblie is for fettering electric arc in the axial passage of target.
Above-mentioned a kind of high-power V-shaped plasma torch, the electrode assemblie of cathode leg, anode beam is provided with cooling device, and the electrode assemblie for plasma torch dispels the heat.
Above-mentioned a kind of high-power V-shaped plasma torch, electrode assemblie inside is provided with gas distributing device, after gas distributing device makes to enter electrode assemblie inside, gas rotates, its gas rotating direction is,, clockwise in anode beam in cathode leg counterclockwise, or in cathode leg clockwise, counterclockwise in anode beam, or consistent with direction of rotation in anode beam in anode beam.
Above-mentioned a kind of high-power V-shaped plasma torch, the axial passage of electrode assemblie and the axial passage of target are in same locus.
The present invention is the version by changing plasma torch, change the shape of plasma arcs, plasma torch power is increased, efficiency improves, life-span increases, concretely, by the design of article on plasma torch V-structure, negative electrode and anode is made to be arranged at two end points of V-structure, the end face that negative electrode and anode and electric arc conduct electricity is very little, heating surface area is little, by passing into a small amount of inert gas at negative electrode and anode, reduce scaling loss and the thermal loss at negative and positive the two poles of the earth, compare the exit of anode at torch of straight line torch, electric arc directly receives anode, so anode is straight line plasma generator heat load and loss the best part, the outlet of V-type torch does not have this anode, electric arc is made to be positioned at electrode and jet mixing room passage by air-flow protection, do not contact with conduit wall, so just greatly reduce the heat load of exit electrode and jet mixing room and hot scaling loss, therefore, V-type torch of the present invention is long compared with the life-span of straight line plasma torch, the heat efficiency is higher.
Straight line torch along with the increase anode heat load of power and hot scaling loss larger, it is too large that the power of usual straight line torch should not design, and V-type torch of the present invention is under equal-wattage, negative electrode or anode heat load less, reduce the hot scaling loss of negative electrode and anode.
The present invention can be used for petroleum cracking, garbage disposal, coal acetylene, the field such as ethene, coal gasification, metal smelt.The advantages such as it also has environmental pollution, and energy consumption is little, easy and simple to handle.
Accompanying drawing explanation
Fig. 1 is the high-power V-shaped plasma torch structural representation of one of the present invention.
Fig. 2 is electrode assemblie structural representation in a kind of high-power V-shaped plasma torch of the present invention.
Drawing reference numeral illustrates: 1-negative electrode 2-plasma power supply 3-arc ignition system 4-anode 5-electrode assemblie 6-plasma arcs 7-jet mixing room 8-cooling device 9-target 10-gas distribution ring 11-arc-initiating device 12-gas system
Embodiment 1:
With reference to Figure of description 1 and Figure of description 2, be linked in sequence by negative electrode 1 and 2 electrode assemblies 5 and form cathode leg, be linked in sequence by anode 4 and 2 electrode assemblies 5 and form anode beam, cathode leg and anode beam is V-shaped is connected on jet mixing room 7, jet mixing room 7 is bottom V-structure, the plasma arcs 6 produced by negative electrode 1 and anode 4 converges downward ejection by the passage at electrode assemblie 5 center in jet mixing room 7, the passage that the electric current of the plasma arcs 6 produced forms from negative electrode 1 along electrode assemblie 5 flows to anode 4 through jet mixing room 7, negative electrode 1 connects the positive pole of power supply 2, anode 4 connects the negative pole of plasma power supply 2, target in electrode assemblie 5 is connected with arc ignition system by arc-initiating device 11, after arc ignition system 3 work to make in electrode assemblie gas breakdown produce electric arc, plasma power supply 2 is started working the electric arc institute energy requirement providing lasting, arc ignition system 3 quits work, plasma power supply 2 maintains plasma arc 6 to be continued to discharge in electrode assemblie 5 axial centre.
With reference to Figure of description 2, cooling device 8, target 9, gas distribution ring 10, arc-initiating device 11, gas system 12 form electrode assemblie 5,3 annular targets 9 and 3 gas distribution ring 10 spacing shafts are to placing successively, outer shroud arranges cooling device 8, gas system 12 connects gas distribution ring 10, and arc-initiating device 11 connects target 9; Cooling device 8 cools target; target 9 is for striking; gas distribution ring 10 distributes hydrogen gas to target 9 axial centre, and hydrogen and electro ultrafiltration produce plasma arcs 6, fetters plasma arcs 6 axially center protect target 9 not by arc erosion simultaneously.
Embodiment 2:
Embodiment 2 is with the difference of embodiment 1, and being linked in sequence by negative electrode 1 and 4 electrode assemblies 5 forms anode beam, and being linked in sequence by anode 4 and 4 electrode assemblies 5 forms cathode leg; 4 annular targets 9 and 4 gas distribution ring 10 interval axial order are placed, and form electrode assemblie 5 with cooling device 8, gas system 12, arc-initiating device 11.
Claims (8)
1. a high-power V-shaped plasma torch, be made up of negative electrode, anode, electrode assemblie, jet mixing room, negative electrode and some electrode assemblies form cathode leg successively, and anode and some electrode assemblies form anode beam successively, cathode leg and anode beam is V-shaped is connected on jet mixing room; It is characterized in that the V-shaped structure of the inner chamber of plasma torch electric arc, negative electrode, anode lay respectively at two end points of V-structure, and jet mixing room is positioned at bottom V-structure; During work, plasma arcs is excited by negative electrode and anode, the passage that electric arc is consisted of some electrode assemblies, and converge formation V-shape electric arc in jet mixing room, the power of torch is determined by V-shape arc length, and arc length is determined by the quantity of electrode assemblie.
2. according to claim 1 high-power V-shaped plasma torch, it is characterized in that the V-shaped structure of plasma torch, plasma torch inner chamber plasma arcs passage is V-shaped.
3. high-power V-shaped plasma torch according to claim 1, it is characterized in that cathode leg, anode beam has a certain degree, its angular range is arbitrary between 50 °-100 °.
4., according to the arbitrary described a kind of high-power V-shaped plasma torch of Claims 1-4, it is characterized in that the electrode assemblie quantity of cathode leg, anode beam is identical, the plasma arc length of generation is equal.
5., according to the arbitrary described a kind of high-power V-shaped plasma torch of claim 1 to 5, it is characterized in that cathode leg, the electrode assemblie of anode beam is provided with arc-initiating device, ensure longer plasma arcs striking.
6., according to the arbitrary described a kind of high-power V-shaped plasma torch of claim 1 to 6, it is characterized in that electrode assemblie is for fettering electric arc in the axial passage of target.
7., according to the arbitrary described a kind of high-power V-shaped plasma torch of claim 1 to 7, it is characterized in that cathode leg, the electrode assemblie of anode beam is provided with cooling device, the electrode assemblie for plasma torch dispels the heat.
8. according to the arbitrary described a kind of high-power V-shaped plasma torch of claim 1 to 7, it is characterized in that electrode assemblie inside is provided with gas distributing device, gas distributing device makes the gas entering electrode assemblie inside be rotate, its gas rotating direction is,, clockwise in anode beam in cathode leg counterclockwise, or in cathode leg clockwise, counterclockwise in anode beam, or consistent with direction of rotation in anode beam in anode beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310640807.7A CN104703376A (en) | 2013-12-04 | 2013-12-04 | Large-power V-shaped plasma torch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310640807.7A CN104703376A (en) | 2013-12-04 | 2013-12-04 | Large-power V-shaped plasma torch |
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| CN104703376A true CN104703376A (en) | 2015-06-10 |
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| CN201310640807.7A Pending CN104703376A (en) | 2013-12-04 | 2013-12-04 | Large-power V-shaped plasma torch |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665089A (en) * | 2016-02-03 | 2016-06-15 | 天津欧盼科技开发有限公司 | Solid waste treatment device |
| CN105722295A (en) * | 2016-03-11 | 2016-06-29 | 沈阳工业大学 | Three-cathode plasma pistol |
| CN112496009A (en) * | 2020-12-02 | 2021-03-16 | 大连易舜绿色科技有限公司 | Waste incineration fly ash treatment device and method |
| CN115355504A (en) * | 2022-08-15 | 2022-11-18 | 浙江大学台州研究院 | Multiphase alternating current plasma torch and solid waste treatment device |
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| KR20020090052A (en) * | 2001-05-26 | 2002-11-30 | 대한민국 (한밭대학총장) | A plasma generating apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105665089A (en) * | 2016-02-03 | 2016-06-15 | 天津欧盼科技开发有限公司 | Solid waste treatment device |
| CN105722295A (en) * | 2016-03-11 | 2016-06-29 | 沈阳工业大学 | Three-cathode plasma pistol |
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| CN112496009A (en) * | 2020-12-02 | 2021-03-16 | 大连易舜绿色科技有限公司 | Waste incineration fly ash treatment device and method |
| CN115355504A (en) * | 2022-08-15 | 2022-11-18 | 浙江大学台州研究院 | Multiphase alternating current plasma torch and solid waste treatment device |
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Application publication date: 20150610 |