CN214338187U - Plasma torch with multiple arc channels - Google Patents
Plasma torch with multiple arc channels Download PDFInfo
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- CN214338187U CN214338187U CN202120367155.4U CN202120367155U CN214338187U CN 214338187 U CN214338187 U CN 214338187U CN 202120367155 U CN202120367155 U CN 202120367155U CN 214338187 U CN214338187 U CN 214338187U
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- 238000001816 cooling Methods 0.000 claims abstract description 37
- 238000010891 electric arc Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 74
- 238000005253 cladding Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000002679 ablation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a plasma torch for arranging multiple arc channels, which comprises a cylindrical anode cooling component, wherein an anode electrode for arranging multiple arc channels is sleeved in the anode cooling component, one end of the anode electrode is supported and connected with an insulating pipe, the insulating pipe is positioned in the anode cooling component and forms an airflow channel with the anode cooling component, the inner wall of the insulating pipe is sleeved with a cathode cooling component, the end part of the cathode cooling component is just opposite to the position of each anode electrode arc channel to be connected with a cathode electrode, the anode electrode is connected with an anode binding post, and the multiple cathode electrodes are connected with cathode binding posts; a plurality of cathode electrodes are designed in the plasma torch, a plurality of anode electrodes of arc channels are correspondingly designed at the same time, a structure with a plurality of arc channels is formed, and in the operation process, the plurality of arc channels simultaneously generate arc discharge to generate plasma arcs; the plasma structure with multiple arc channels forms multiple high-temperature regions, so that the high-temperature area is increased.
Description
Technical Field
The utility model belongs to the technical field of plasma torch, concretely relates to set up plasma torch of many electric arc passageways.
Background
The existing thermal plasma torch generally adopts a mode of generating plasma by arc striking in a single arc channel, namely, the plasma torch is provided with a cathode and an anode, a certain gap is arranged between the cathode and the anode, plasma is generated in the single arc channel by arc striking discharge of the cathode and the anode with potential difference, and then high-density plasma is blown out by external airflow to generate high temperature. The technology is widely applied to the industrial fields of cutting, welding, spraying, metallurgy, materials, chemical industry, waste treatment and the like.
In the practical application of the existing single-arc channel plasma torch, the current must be increased to realize high power, and under the working condition of high current and high power, an electrode (particularly a cathode electrode) is easy to be ablated, so that the service life of the electrode is shortened, the plasma torch cannot work normally, the electrode needs to be replaced frequently, and the plasma torch is very inconvenient to use. Meanwhile, the area of a high-temperature region of the plasma generated by the single-arc-channel plasma torch is small, and when a large-area high-temperature region is needed in some fields, uniform heating is difficult to achieve simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a set up plasma torch of many electric arc passageways has solved the easy ablation of electrode and has needed frequently to change and the little problem of high temperature zone area of formation among the single channel thermal plasma torch technique.
The utility model provides a, a set up plasma torch of many electric arc passageways, including the positive pole cooling module of tube-shape, cup joint the positive pole electrode of seting up a plurality of electric arc passageways in the positive pole cooling module, positive pole electrode one end is supported and is connected the insulating tube, and the insulating tube is located positive pole cooling module, and forms airflow channel with positive pole cooling module, and negative pole cooling module is cup jointed to the insulating tube inner wall, and negative pole cooling module tip is just to every positive pole electrode electric arc passageway position connection cathode electrode, anode electrode connects an anode terminal, and a plurality of cathode electrode connect cathode terminal.
The anode cooling assembly comprises an outer side coating pipe, an anode water outlet pipe and an anode water inlet pipe are sequentially and coaxially sleeved in the outer side coating pipe, an anode water inlet channel is formed between the anode water outlet pipe and the anode water inlet pipe, an anode water outlet channel is formed between the outer side coating pipe and the anode water outlet pipe, the anode water inlet channel is communicated with one end, away from a water inlet, of the anode water outlet channel, an anode electrode of a plurality of electric arc channels is arranged on the inner wall of one end of the anode water inlet pipe in a fixed connection mode, and an airflow channel is formed between the inner wall of the other end of the anode water inlet pipe and the insulating pipe.
The anode electrode is supported and connected with the insulating tube through a rigid supporting structure provided with a spiral air hole.
The cathode cooling assembly comprises a cathode water inlet pipe nested on the inner wall of the insulating pipe, a cathode water outlet pipe is coaxially sleeved outside the cathode water inlet pipe, a cathode water outlet channel is formed between the cathode water inlet pipe and the cathode water outlet pipe, one end of the cathode water outlet pipe is opposite to each anode electrode arc channel and is connected with a cathode electrode, and the cathode water inlet pipe is communicated with one end of the cathode water outlet channel close to the cathode electrode.
The cathode electrodes are connected with a multi-joint cathode conducting seat which is connected with a cathode binding post.
The utility model has the advantages that:
a plurality of cathode electrodes are designed in the plasma torch, a plurality of arc channels are correspondingly designed at the same time, a structure with a plurality of arc channels is formed, and in the operation process, the plurality of arc channels simultaneously perform arc striking discharge to generate plasma arcs. Under the condition that the voltage is not changed, the multi-joint cathode conducting seat is adopted, so that a plurality of cathode electrodes are considered to be connected in parallel, the current and the power born by a single cathode electrode are equally divided, and the total power of the plasma torch is not changed. This configuration increases the life of the electrode and reduces the frequency of electrode replacement operations during torch use. Meanwhile, the plasma structure with multiple arc channels forms multiple high-temperature regions, so that the high-temperature area is increased.
Drawings
Fig. 1 is a schematic axial sectional view of a plasma torch with multiple arc channels according to the present invention;
fig. 2 is a schematic diagram of the inner cross-section of a plasma torch with multiple arc channels according to the present invention;
fig. 3 is a schematic diagram of an anode electrode of a plasma torch with multiple arc channels according to the present invention;
FIG. 4 is a schematic view of an anode electrode and anode assembly of a plasma torch having multiple arc channels according to the present invention;
fig. 5 is a schematic view of a cathode electrode and cathode cooling assembly of a multi-arc channel plasma torch of the present invention;
fig. 6 is a schematic view of the connection between the cathode electrode of the plasma torch with multiple arc channels and the multi-joint cathode conductive seat of the present invention;
fig. 7 is a schematic circuit diagram of a plasma torch with multiple arc channels according to the present invention;
fig. 8 is a schematic view of the cooling water flow of a multi-arc channel plasma torch of the present invention;
fig. 9 is a schematic view of the working gas flow direction of a multi-arc channel plasma torch of the present invention;
fig. 10 is an inner cross-sectional view of an arc channel of a plasma torch of the present invention having multiple arc channels;
FIG. 11 is a schematic of the hot zone of a single arc channel plasma torch configuration;
fig. 12 is a schematic thermal diagram of a plasma torch configuration for providing multiple arc channels in accordance with the present invention.
In the figure, 1, an anode electrode, 2, an anode cooling assembly, 3, an insulating tube, 4, a cathode cooling assembly, 5, a cathode electrode, 6, an anode binding post, 7, a cathode binding post, 8, a cathode water inlet pipe, 9, a cathode water outlet pipe, 10, a multi-joint cathode conductive seat, 11, an anode water inlet pipe, 12, an anode water outlet pipe and 13, an outer cladding tube.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a plasma torch for setting up multiple arc channels, as shown in figure 1 and figure 2, including the anode cooling subassembly 2 of tube-shape, the interior grafting of anode cooling subassembly 2 sets up the anode electrode 1 of multiple arc channels, as shown in figure 3, anode cooling subassembly 2 can be to the cooling of anode electrode 1, anode electrode 1 one end is through the rigid support structure support connection insulating tube 3 who sets up the gas hole soon, can make the gas circulation, insulating tube 3 is located anode cooling subassembly 2, and forms the air current passageway with anode cooling subassembly 2, insulating tube 3 inner wall cup joints cathode cooling subassembly 4, cathode cooling subassembly 4 can be to the cathode cooling, cathode cooling subassembly 4 tip is just to connecting a cathode electrode 5 to every anode electrode 1 electric arc channel position, every cathode electrode 5 forms plasma with relevant position anode electrode 1 in the electric arc channel, the anode electrode 1 is connected with an anode terminal 6, the anode electrode 1 is connected with a power supply through the anode terminal 6, the plurality of cathode electrodes 5 are connected with a cathode terminal 7, and the cathode electrodes 5 are connected with the power supply through the cathode terminal 7.
As shown in fig. 4, the anode cooling assembly 2 includes an outer cladding pipe 13, an anode water outlet pipe 12 and an anode water inlet pipe 11 are sequentially and coaxially sleeved in the outer cladding pipe 13, an anode water inlet passage is formed between the anode water outlet pipe 12 and the anode water inlet pipe 11, an anode water outlet passage is formed between the outer cladding pipe 13 and the anode water outlet pipe 12, the anode water inlet passage is communicated with one end of the anode water outlet passage far away from the water inlet, an anode electrode 1 with a plurality of arc passages is arranged on one end of the anode water inlet pipe 11 in a fixed connection mode, and an airflow passage is formed between the other end of the anode water inlet pipe 11 and the insulating pipe 3.
As shown in fig. 5, the cathode cooling assembly 4 includes a cathode water inlet pipe 8 nested on the inner wall of the insulating pipe 3, a cathode water outlet pipe 9 is coaxially sleeved outside the cathode water inlet pipe 8, a cathode water outlet channel is formed between the cathode water inlet pipe 8 and the cathode water outlet pipe 9, one end of the cathode water outlet pipe 9 is connected to a cathode electrode 5 at a position facing the arc channel of each anode electrode 1, and the cathode water inlet pipe 8 is communicated with the cathode water outlet channel at one end close to the cathode electrode 5.
As shown in fig. 6, the plurality of cathode electrodes 5 are connected to one multi-terminal cathode conductive base 10, and the multi-terminal cathode conductive base 10 is connected to the cathode terminal 7, so that the plurality of cathode electrodes 5 can be connected in parallel as shown in fig. 7.
The utility model relates to a set up plasma torch of many electric arc passageways and pass through the theory of use of controller and do:
after the cathode terminals 7 and the anode terminals 6 are powered on, a plurality of anode electrodes 1 and corresponding cathode electrodes 5 form a parallel structure, and an equivalent circuit is shown in fig. 7.
After the cathode wiring terminal 7 and the anode wiring terminal 6 are powered on, cold water is continuously introduced into the cathode water inlet pipe 8 (the channel shown in the fourth step), discharged through the cathode water outlet channel (the channel fifth step), the cathode electrode 5 is cooled, cold water is introduced into the anode water inlet channel (the channel) and discharged through the anode water outlet channel (the channel third step), and the anode electrode 1 is cooled, wherein the water flow direction is shown in the figure 8.
The direction of the gas flow is shown in fig. 9, the gas flow enters the gas flow channel through the gas inlet channel, then is supported by the rigid support structure provided with the cyclone holes to generate cyclone gas, the gas is ionized by the anode electrode 1 and the cathode electrode 5 to generate electric arc, the gas passes through the electric arc channel, then is electrolyzed to generate high-energy plasma, and the plasma arc is sprayed out from the electric arc channel, as shown in fig. 10.
The power of the single arc channel plasma torch is P ═ UI, and under the condition that the structure of the plasma torch is determined, the voltage U is a fixed value, and if high power is to be generated, the current needs to be increased, but under the working condition of high current, a single electrode (especially a cathode electrode) is easy to be ablated, so that the service life of the cathode electrode is shortened, the plasma torch cannot work normally, the cathode electrode needs to be replaced frequently, and the plasma torch is very inconvenient in use. Meanwhile, when the area of the high temperature region of the plasma generated by the single arc channel plasma torch is small, as shown in fig. 11, it is difficult to achieve the purpose when a large high temperature region is required in some fields.
The utility model discloses a set up plasma torch structure of many electric arc passageways through increasing a plurality of electric arc passageways at the positive pole electrode, the corresponding negative pole electrode that increases equal quantity simultaneously, coaxial one-to-one installation. The utility model discloses a under the condition of many electric arc passageway plasma torch size confirmations, voltage U is the definite value, and input current I is through the parallel circuit of n electric arc passageways, and single electric arc passageway's electric current does
Total power of
Referring to the circuit schematic of fig. 7. The utility model discloses a set up plasma torch structure of many electric arc passageways and compare with single electric arc passageway plasma structure, under the equal power demand, electric current and power that the cathode electrode of many electric arc passageway plasma torch structure bore are equallyd divide, have increased cathode electrode's life, have solved the problem that need frequently change cathode electrode because of the scaling loss problem. Meanwhile, due to the fact that a plurality of arc channels are arranged, a plurality of high-temperature regions can be generated, and as shown in fig. 12, the high-temperature area is increased.
In this way, the utility model relates to a set up plasma torch of many electric arc passageways, a plurality of negative pole electrodes of design in this plasma torch, corresponding design has the positive pole electrode of a plurality of electric arc passageways simultaneously, forms the structure of many electric arc passageways, and at the operation in-process, a plurality of electric arc passageways arc striking discharge simultaneously produces the plasma arc. Under the condition that the voltage is not changed, the multi-joint cathode conducting seat is adopted, so that a plurality of cathode electrodes are considered to be connected in parallel, the current and the power born by a single cathode electrode are equally divided, and the total power of the plasma torch is not changed. This configuration increases the life of the electrode and reduces the frequency of electrode replacement operations during torch use. Meanwhile, the plasma structure with multiple arc channels forms multiple high-temperature regions, so that the high-temperature area is increased.
Claims (5)
1. The utility model provides a set up plasma torch of many electric arc passageways, characterized in that, anode cooling subassembly (2) including the tube-shape, anode electrode (1) that a plurality of electric arc passageways were seted up to anode cooling subassembly (2) endotheca, anode electrode (1) one end is supported and is connected insulating tube (3), insulating tube (3) are located anode cooling subassembly (2), and form the air current passageway with anode cooling subassembly (2), insulating tube (3) inner wall cup joints cathode cooling subassembly (4), cathode cooling subassembly (4) tip is just to connecting a cathode electrode (5) to every anode electrode (1) electric arc passageway position, an anode terminal (6) is connected in anode electrode (1), and is a plurality of cathode electrode (5) are connected cathode terminal (7).
2. The plasma torch with the multiple arc channels according to claim 1, wherein the anode cooling assembly (2) comprises an outer cladding tube (13), an anode water outlet tube (12) and an anode water inlet tube (11) are sequentially and coaxially sleeved in the outer cladding tube (13), an anode water inlet channel is formed between the anode water outlet tube (12) and the anode water inlet tube (11), an anode water outlet channel is formed between the outer cladding tube (13) and the anode water outlet tube (12), the anode water inlet channel is communicated with one end of the anode water outlet channel, which is far away from a water inlet, an anode electrode (1) with the multiple arc channels is fixedly connected to the inner wall of one end of the anode water inlet tube (11), and an airflow channel is formed between the inner wall of the other end of the anode water inlet tube (11) and the insulating tube (3).
3. The torch with multiple arc channels according to claim 1, wherein the anode electrode (1) is supported and connected to the insulating tube (3) by a rigid support structure with gas holes.
4. The plasma torch with the multiple arc channels as claimed in claim 1, wherein the cathode cooling assembly (4) comprises a cathode water inlet pipe (8) nested on the inner wall of the insulating pipe (3), a cathode water outlet pipe (9) is coaxially sleeved outside the cathode water inlet pipe (8), a cathode water outlet channel is formed between the cathode water inlet pipe (8) and the cathode water outlet pipe (9), one end of the cathode water outlet pipe (9) is connected with one cathode electrode (5) at a position facing each anode electrode (1) arc channel, and the cathode water inlet pipe (8) is communicated with the cathode water outlet channel at one end close to the cathode electrode (5).
5. The torch for generating multiple arc channels according to claim 1, wherein a plurality of said cathode electrodes (5) are connected to a multi-joint cathode holder (10), said multi-joint cathode holder (10) being connected to a cathode terminal (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120367155.4U CN214338187U (en) | 2021-02-08 | 2021-02-08 | Plasma torch with multiple arc channels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120367155.4U CN214338187U (en) | 2021-02-08 | 2021-02-08 | Plasma torch with multiple arc channels |
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| Publication Number | Publication Date |
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| CN214338187U true CN214338187U (en) | 2021-10-01 |
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| CN202120367155.4U Active CN214338187U (en) | 2021-02-08 | 2021-02-08 | Plasma torch with multiple arc channels |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112996210A (en) * | 2021-02-08 | 2021-06-18 | 重庆新离子环境科技有限公司 | Plasma torch with multiple arc channels |
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- 2021-02-08 CN CN202120367155.4U patent/CN214338187U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112996210A (en) * | 2021-02-08 | 2021-06-18 | 重庆新离子环境科技有限公司 | Plasma torch with multiple arc channels |
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