CN208227403U - Arc plasma generator cathode - Google Patents
Arc plasma generator cathode Download PDFInfo
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- CN208227403U CN208227403U CN201820642346.5U CN201820642346U CN208227403U CN 208227403 U CN208227403 U CN 208227403U CN 201820642346 U CN201820642346 U CN 201820642346U CN 208227403 U CN208227403 U CN 208227403U
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- cathode
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- print seat
- plasma generator
- arc plasma
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Abstract
The utility model provides a kind of arc plasma generator cathode, including cathode base (1), technique auxiliary material (2), cathode core print seat 1 (3) and cathode core print seat 2 (4), cathode base (1) is connected with cathode core print seat 1 (3), cathode core print seat 1 (3) is connected with cathode core print seat 2 (4), it is required to be filled with technique auxiliary material (2) according to different process between cathode base (1) and cathode core print seat 1 (3), cathode base (1), cathode core print seat 1 (3) and the mutual connection of cathode core print seat 2 (4) are sealed connection.The utility model is arc plasma generator cathode, has the characteristics that at low cost, convenient processing and manufacture, long service life using the arc plasma generator cathode that the method manufactures.
Description
Technical field
The utility model relates to plasma generator field, in particular to a kind of arc plasma generator cathode.
Background technique
Plasma generator is also plasmatorch, has obtained widely in fields such as cutting, spraying, pulverized coal boiler ignitions
Using.But currently used for the relatively high power plasma generator in the fields such as pulverized coal ignition, offal treatment, there are cathode burnings
The deficiencies of damage is fast, the service life is short, manufacture and maintenance cost are high, the further genralrlization for hindering plasma generator use.
Plasma generator cathode service life is to measure one of the most important index of its performance.Be used to do etc. at present from
The material of daughter generator cathode has copper, graphite, tungsten, tungsten cerium alloy, silver etc..Since the nearly electrode district temperature of cathode is up to 5000K-
10000K, which kind of ineffective material, which kind of plasma operation medium all not can avoid the scaling loss of cathode.Currently in order to reduce etc.
Plasma generator cathode scaling loss commonly uses argon gas, nitrogen, carbon dioxide etc. and is used as working media, although can be with slowing down cathode
Scaling loss, but this working media higher cost.And air is as a kind of convenience, cheap, safety gas medium, in coal powder point
It is widely used on the plasma generator that the fields such as fire, offal treatment use.But a large amount of oxygen in air,
It can aggravate the scaling loss and oxidation of cathode, one kind is structurally reasonable, heat-resisting, anti-oxidant, has with excellent conductive performance so manufacturing
Novel cathode material is the key that solve cathode scaling loss.
The utility model is a kind of arc plasma generator cathode, is sent out using the arc-plasma of the method manufacture
Raw device cathode has the characteristics that at low cost, convenient processing and manufacture, long service life, can greatly improve same power, same to working media
The arc plasma generator cathode life of lower work, the reliability and safety that the scene of greatly improving uses, can substantially drop
Low cathode manufacturing cost is widely used to promote for arc plasma generator and provides convenience.
Utility model content
In order to improve arc plasma generator cathode service life, reduce manufacture and maintenance cost, make electric arc etc. from
Daughter generator is widely used in each field, and the utility model provides a kind of arc plasma generator cathode.
The utility model technical solution used for the above purpose is: including cathode base (1), technique auxiliary material (2),
Cathode core print seat 1 (3) and cathode core print seat 2 (4).Cathode base (1) is connected with cathode core print seat 1 (3), cathode core print seat 1 (3) and cathode core print seat
2 (4) are connected, and are required to be filled with technique auxiliary material (2) according to different process between cathode base (1) and cathode core print seat 1 (3), cathode base
(1), cathode core print seat 1 (3) and the mutual connection of cathode core print seat 2 (4) are to be tightly connected.
Cathode base (1) material is high purity zirconium, the zircaloy of 90% or more content, high-purity hafnium, 95% or more hafnium of content
Alloy, tungsten, tungsten cerium alloy, tungsten thorium alloy etc., it is therefore an objective to improve cathode service life with dystectic material.
The length b that the cathode base (1) is overlapped with cathode core print seat 1 (3) is between 2-50mm；The cathode base (1) is axial
The sump pit for being provided with air discharge duct, welding fluid being facilitated to flow.Effect is to guarantee cathode there are enough scaling loss surpluses, while for side
Just it fabricates.
Cathode base (1) shape is cylinder, truncated cone-shaped, polygonal prism shape and prismatic table shape；Cathode base (1) cylinder
Shape cross-sectional diameter is between 1-20mm, and the circumscribed circular diameter in polygonal prism shape cross section is between 1-20mm, truncated cone-shaped small end bottom
The diameter in face between 0-20mm, the diameter of big end bottom surface between 1-20mm, polygon prismatic table shape small end bottom surface circumcircle it is straight
Diameter is between 0-20mm, and the circumscribed diameter of a circle in big end bottom surface is between 1-20mm.Effect is that there are enough scaling loss for guarantee cathode
Surplus, while meeting the design needs of different capacity plasma generator.
The technique auxiliary material (2) is welding wire, welding rod or the welding powder of silver content 5% to 85%.Mechanical systems 2 are also equipped with
Photoelectric induction device in place can accurately be moved；Connection between the cathode base (1) and cathode core print seat 1 (3) uses high frequency
The brazing modes welding such as heating, resistance heating, the heating of ethoxy flame；Or it is connected using interference, transition fit mode；Or it uses and pours
Mosaic mode connection is infused, cathode base (1) is directly mounted in cathode core print seat 1 (3) in cast cathode core print seat 1 (3).Effect is
A variety of method of manufacturing technology are provided, facilitates and manufacturing method is selected according to factory's physical condition.
For technique auxiliary material (2) radial thickness between 0-3mm, effect is to guarantee the reliability of connection, while guaranteeing two
There is good thermal conductivity between product.
The material of the cathode core print seat 1 (3) is the non-ferrous metals such as silver, yellow gold, red copper, copper alloy, the cathode base
The material of 2 (4) of seat is the non-ferrous metals such as silver, yellow gold, red copper, copper alloy.Effect is to guarantee the electric conductivity of cathode, full simultaneously
The diversity of sufficient material selection.
The cathode core print seat 1 (3) and cathode core print seat 2 (4) are same material, the cathode core print seat 1 (3) and cathode
Core print seat 2 (4) is the same part, does not need to be threadedly coupled each other, be welded together, but is combined into an overall processing
Molding.Effect is to reduce cost in order to easy to process.
The cathode core print seat 1 (3) and cathode core print seat 2 (4) are not same material, the cathode core print seat 1 (3) and cathode core print seat
2 (4) are two different parts, are connected through a screw thread, are welded together each other.Effect is to more preferably meet use
It is required that while suitably reduce material cost, the noble metals such as cathode core print seat 1 (3) silver, silver alloy, and cathode core print seat 2 (4) use purple
The costs such as copper, copper alloy are relatively low to obtain material.
The cathode core print seat 1 (3) is provided with front end forming surface (5), and shape is circular conical surface, smooth arc surface, cylindrical surface.
Effect be in order to adapt to various forms of arc plasma generator anode constructions and different capacity, different operating medium gas etc.
Ion generator needs.
The cathode core print seat 1 (3) is provided with rear end forming surface (6), shape be circular conical surface, smooth arc surface, cylindrical surface,
Plane.Effect is to increase heat dissipation area, improves cathode service life.
Detailed description of the invention
Fig. 1 is the overall construction drawing of the utility model arc plasma generator cathode.
Fig. 2 is the structure chart of the front end forming surface of the utility model.
Fig. 3 is the structure chart of the rear end forming surface of the utility model.
Specific embodiment
As shown in figs. 1 and 3, the utility model includes including cathode base (1), technique auxiliary material (2), cathode core print seat 1 (3) and yin
Pole piece seat 2 (4).Cathode base (1) is connected with cathode core print seat 1 (3), cathode core print seat 1 (3) is connected with cathode core print seat 2 (4), cathode base
(1) it is required to be filled with cathode auxiliary material (2) according to different process between cathode core print seat 1 (3), cathode base (1), cathode core print seat 1 (3)
Mutual connection is to be tightly connected with cathode core print seat 2 (4).
Cathode base (1) material is high purity zirconium, the zircaloy of 90% or more content, high-purity hafnium, 95% or more hafnium of content
Alloy, tungsten, tungsten cerium alloy, tungsten thorium alloy etc., it is therefore an objective to improve cathode service life with dystectic material.
The length b that the cathode base (1) is overlapped with cathode core print seat 1 (3) is between 2-50mm；The cathode base (1) is axial
The sump pit for being provided with air discharge duct, welding fluid being facilitated to flow.Effect is to guarantee cathode there are enough scaling loss surpluses, while for side
Just it fabricates.
Cathode base (1) shape is cylinder, truncated cone-shaped, polygonal prism shape and prismatic table shape；Cathode base (1) cylinder
Shape cross-sectional diameter is between 1-20mm, and the circumscribed circular diameter in polygonal prism shape cross section is between 1-20mm, truncated cone-shaped small end bottom
The diameter in face between 0-20mm, the diameter of big end bottom surface between 1-20mm, polygon prismatic table shape small end bottom surface circumcircle it is straight
Diameter is between 0-20mm, and the circumscribed diameter of a circle in big end bottom surface is between 1-20mm.Effect is that there are enough scaling loss for guarantee cathode
Surplus, while meeting the design needs of different capacity plasma generator.
The technique auxiliary material (2) is welding wire, welding rod or the welding powder of silver content 5% to 85%.Mechanical systems 2 are also equipped with
Photoelectric induction device in place can accurately be moved；Or using brazing modes such as high-frequency heating, resistance heating, the heating of ethoxy flame
Welding；Or it is connected using interference, transition fit mode；Connection between the cathode base (1) and cathode core print seat 1 (3), which uses, pours
Mosaic mode connection is infused, cathode base (1) is directly mounted in cathode core print seat 1 (3) in cast cathode core print seat 1 (3).Effect is
A variety of method of manufacturing technology are provided, facilitates and manufacturing method is selected according to factory's physical condition.
For technique auxiliary material (2) radial thickness between 0-3mm, effect is to guarantee the reliability of connection, while guaranteeing two
There is good thermal conductivity between product.
The material of the cathode core print seat 1 (3) is the non-ferrous metals such as silver, yellow gold, red copper, copper alloy, the cathode base
The material of 2 (4) of seat is the non-ferrous metals such as silver, yellow gold, red copper, copper alloy.Effect is to guarantee the electric conductivity of cathode, full simultaneously
The diversity of sufficient material selection.
The cathode core print seat 1 (3) and cathode core print seat 2 (4) are same material, the cathode core print seat 1 (3) and cathode
Core print seat 2 (4) is the same part, does not need to be threadedly coupled each other, be welded together, but is combined into an overall processing
Molding.Effect is to reduce cost in order to easy to process.
The cathode core print seat 1 (3) and cathode core print seat 2 (4) are not same material, the cathode core print seat 1 (3) and cathode core print seat
2 (4) are two different parts, are connected through a screw thread, are welded together each other.Effect is to more preferably meet use
It is required that while suitably reduce material cost, the noble metals such as cathode core print seat 1 (3) silver, silver alloy, and cathode core print seat 2 (4) use purple
The costs such as copper, copper alloy are relatively low to obtain material.
The cathode core print seat 1 (3) is provided with front end forming surface (5), and shape is circular conical surface, smooth arc surface or cylinder
Face.Effect is to adapt to various forms of arc plasma generator anode constructions and different capacity, different operating medium gas
Plasma generator need.
The cathode core print seat 1 (3) is provided with rear end forming surface (6), and shape is circular conical surface, smooth arc surface, cylindrical surface
Or plane.Effect is to increase heat dissipation area, improves cathode service life.
Claims (14)
1. arc plasma generator cathode, it is characterised in that: including cathode base (1), technique auxiliary material (2), cathode core print seat 1
(3) it is connected with cathode core print seat 2 (4), cathode base (1) with cathode core print seat 1 (3), cathode core print seat 1 (3) is connected with cathode core print seat 2 (4),
It is required to be filled with technique auxiliary material (2) according to different process between cathode base (1) and cathode core print seat 1 (3), cathode base (1), cathode base
1 (3) of seat and the mutual connection of cathode core print seat 2 (4) are sealed connection.
2. arc plasma generator cathode according to claim 1, it is characterised in that: cathode base (1) the material packet
Include high purity zirconium, the zircaloy of 90% or more content, high-purity hafnium, 95% or more hafnium alloy of content, tungsten, tungsten cerium alloy, tungsten thorium alloy.
3. arc plasma generator cathode according to claim 1, it is characterised in that: the cathode base (1) and cathode
The length b that core print seat 1 (3) is overlapped is between 2-50mm.
4. arc plasma generator cathode according to claim 1, it is characterised in that: the cathode base (1) axially sets
The sump pit for being equipped with air discharge duct, welding fluid being facilitated to flow.
5. arc plasma generator cathode according to claim 1, it is characterised in that: cathode base (1) shape is
Cylinder, truncated cone-shaped, polygonal prism shape and prismatic table shape.
6. arc plasma generator cathode according to claim 1, it is characterised in that: the cathode base (1) is cylindrical
Cross-sectional diameter is between 1-20mm；Or the circumscribed circular diameter in polygonal prism shape cross section is between 1-20mm；Or truncated cone-shaped small end
The diameter of bottom surface is between 0-20mm, and the diameter of big end bottom surface is between 1-20mm；Or polygon prismatic table shape small end bottom surface circumcircle
Diameter between 0-20mm, the circumscribed diameter of a circle in big end bottom surface is between 1-20mm.
7. arc plasma generator cathode according to claim 1, it is characterised in that: the technique auxiliary material (2) is silver
Welding wire, welding rod or the welding powder of content 5% to 85%.
8. arc plasma generator cathode according to claim 1, it is characterised in that: the technique auxiliary material (2) is radial
With a thickness of between 0-3mm.
9. arc plasma generator cathode according to claim 1, it is characterised in that: the cathode base (1) and cathode
Connection between core print seat 1 (3) is welded using brazing mode or interference, transition fit mode connect or cast setting mode connects.
10. according to arc plasma generator cathode described in claim 1, it is characterised in that the cathode core print seat 1 (3) or cathode
The material of core print seat 2 (4) is non-ferrous metal.
11. according to arc plasma generator cathode described in claim 1, it is characterised in that the cathode core print seat 1 (3) and cathode
Core print seat 2 (4) is same material or for not same material.
12. according to arc plasma generator cathode described in claim 1, it is characterised in that the cathode core print seat 1 (3) and cathode
Core print seat 2 (4) is an overall processing molding or is two different parts.
13. according to arc plasma generator cathode described in claim 1, it is characterised in that the cathode core print seat 1 (3) is provided with
Front end forming surface (5), shape are circular conical surface or smooth arc surface or cylindrical surface.
14. according to arc plasma generator cathode described in claim 1, it is characterised in that the cathode core print seat 1 (3) is provided with
Rear end forming surface (6), shape are circular conical surface or smooth arc surface or cylindrical surface or plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820642346.5U CN208227403U (en) | 2018-05-02 | 2018-05-02 | Arc plasma generator cathode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820642346.5U CN208227403U (en) | 2018-05-02 | 2018-05-02 | Arc plasma generator cathode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208227403U true CN208227403U (en) | 2018-12-11 |
Family
ID=64513641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820642346.5U Active CN208227403U (en) | 2018-05-02 | 2018-05-02 | Arc plasma generator cathode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208227403U (en) |
-
2018
- 2018-05-02 CN CN201820642346.5U patent/CN208227403U/en active Active
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