CN217883933U - Plasma generator and anode assembly thereof - Google Patents

Abstract

The utility model discloses an anode assembly, because the package assembly that the dismouting is connected has been adopted between its base and the main casing body, make base and the main casing body can conveniently unpack apart and assemble, when local damage or trouble take place at base and each part that is located the anode assembly, can pull down parts such as base alone, so that implement corresponding parts and change alone and maintain the maintenance operation, the back is accomplished in the operation, with base and corresponding each part and main casing body reassembly can, thereby need not to carry out the whole change to anode assembly, only need to change alone and maintain corresponding part can, can effectively reduce from this plasma generator's operation and use cost optimize its operation and maintenance efficiency, and make its operating mode adaptability can correspondingly improve. The utility model also discloses a plasma generator of using above-mentioned positive pole subassembly.

Description

Plasma generator and anode assembly thereof

Technical Field

The utility model relates to the technical field of plasma generator matching components, in particular to an anode component. The utility model discloses still relate to a plasma generator who uses this positive pole subassembly.

Background

The dc arc plasma generator can generate a high temperature thermal plasma jet by ionizing air at a high pressure. The plasma jet has high temperature and strong activity, so the plasma jet has successful application in the aspects of coal powder ignition, material surface treatment, material thermal processing, waste treatment and the like.

The utility model discloses a utility model patent document with publication number CN2442119Y discloses a long-life anode structure of plasma generator, and base entry water conservancy diversion wherein is personally submitted the contraction configuration, has the function of compression plasma generator working medium. However, the anode structure mentioned in the patent adopts a brazing mode, all parts of the anode are welded together, the anode cannot be disassembled, the whole anode needs to be replaced after the service life is reached, and the operation cost is high; meanwhile, in order to facilitate welding and prolong the service life, red copper or noble metal is uniformly selected as the material of each part of the anode, so that the processing cost is high.

However, since the conventional plasma generator is generally an integral structure formed by welding or other forms, after the electrode cannot be used continuously, the relevant components integrally connected with the electrode in the plasma generator need to be replaced together, which directly increases the operation cost of the plasma generator.

Therefore, how to individually disassemble and assemble the structural components of the anode assembly of the plasma generator so as to individually replace the components, thereby reducing the overall operation cost of the plasma generator is an important technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an anode assembly, this anode assembly's part can implement dismouting and change alone to effectively reduce plasma generator's running cost. Another object of the present invention is to provide a plasma generator using the above anode assembly.

In order to solve the technical problem, the utility model provides an anode assembly, including the main casing body, the axis of main casing body extends along the horizontal direction, the electric arc tube has been inserted to the coaxial in the main casing body, the preceding tip of electric arc tube stretches out in the preceding tip of main casing body, the middle part of electric arc tube has the electric arc passageway, the rear end of main casing body is coaxial to be provided with the base, still be provided with coaxial complex outer water jacket and inner water jacket on the inner wall of main casing body, outer water jacket, inner water jacket, electric arc tube follow the radial from outside to inside coaxial arrangement in proper order of main casing body;

a flow guide block is sleeved on the outer periphery of the rear end of the electric arc tube, the inner wall of the flow guide block and the outer wall of the electric arc tube, the inner wall of the inner water jacket and the outer wall of the electric arc tube are in clearance fit and are communicated with each other to form an upstream cooling channel, the outer wall of the inner water jacket and the inner wall of the outer water jacket are in clearance fit to form a downstream cooling channel, and a commutation hole for communicating the upstream cooling channel with the downstream cooling channel is formed in the front end part of the inner water jacket;

the base is detachably arranged at the rear end of the main shell, a drainage hole for communicating an external air supply device and the arc channel is formed in the middle of the base, a feeding channel and a discharging channel for cooling media to pass through are further formed in the base, the feeding channel is communicated with the upstream of the upstream cooling channel along the flowing direction of the cooling media, and the discharging channel is communicated with the downstream of the downstream cooling channel along the flowing direction of the cooling media;

sealing rings are arranged between the main shell and the base, between the main shell and the arc tube and between the arc tube and the base in a contraposition mode.

Preferably, the base is in threaded connection with the main casing, a rear positioning groove is formed in the middle of the front end face of the base, a front positioning groove is formed in the inner wall of the front end portion of the main casing, and the arc tube is coaxially embedded and clamped between the front positioning groove and the rear positioning groove.

Preferably, the inner wall of the main casing body is provided with an annular positioning groove, the outer peripheral surface of the flow guide block is convexly provided with an annular boss, and the annular boss is oppositely embedded in the annular positioning groove.

Preferably, the feed channel comprises a feed end hole located at the rear part of the base and a feed guide hole communicated between the feed end hole and the upstream cooling channel along the flow direction of the cooling medium;

the discharge channel comprises a discharge end hole positioned at the rear part of the base and a discharge guide hole communicated between the downstream cooling channel and the discharge end hole along the flow direction of the cooling medium;

the axial line of feed end hole and the axial line of row material end hole all with the axis of main casing body is parallel, just the axial length of feed end hole is greater than row material end hole's axial length.

Preferably, the feed channel is located below the arc channel, and a top axial extension of the inner wall of the feed end hole is located below a bottom axial extension of the inner wall of the upstream cooling channel;

the discharge channel is located above the arc channel, and a bottom axial extension line of an inner wall of the discharge channel is located above a top axial extension line of an inner wall of the downstream cooling channel.

Preferably, the axis of the feeding guide hole extends along the radial direction of the main shell, or the distance between the axis of the feeding guide hole and the axis of the main shell increases from front to back;

the axis of the discharge guide hole extends along the radial direction of the main shell, or the distance between the axis of the discharge guide hole and the axis of the main shell increases from front to back.

Preferably, the feed end hole and the discharge end hole are both kidney-shaped holes.

Preferably, the arc channel comprises a compression section, a throat section, an expansion section and an arc stabilizing section which are sequentially communicated from back to front along the axial direction of the arc channel, the inner diameter of the compression section decreases progressively from back to front, the inner diameter of the expansion section increases progressively from back to front, and the inner diameter of the throat section is smaller than that of the arc stabilizing section;

the internal diameter of the drainage hole decreases progressively from back to front, the taper of the inner wall of the compression section is smaller than that of the inner wall of the drainage hole, and the internal diameter of the rear end part of the compression section is equal to that of the front end part of the drainage hole.

Preferably, the outer wall of the arc tube is provided with a reducing guide groove at the position corresponding to the compression section, the throat section and the expansion section;

the guiding block is counterpointed the cover and is located the peripheral part of reducing guide slot, just the protrusion is provided with on the inner wall of guiding block with reducing guide slot counterpoint clearance fit's reducing boss.

The utility model also provides a plasma generator, including the anode assembly, the anode assembly be as above-mentioned arbitrary the anode assembly.

Compared with the background technology, in the working and running process of the anode assembly provided by the utility model, gas is introduced from the rear part of the arc tube and reaches the front end part operation end of the arc tube through the arc channel to implement ionization operation; meanwhile, the cooling medium is introduced from the feeding channel, sequentially flows through the upstream cooling channel, the flow changing hole and the downstream cooling channel, and is discharged from the discharging channel, so that the cooling medium is used as main operation parts such as the arc tube and the like to effectively cool; on this basis, because the package assembly that the dismouting is connected has been adopted between base and the main casing body, make base and main casing body can conveniently be unpack apart and assemble, when local damage or trouble takes place at base and each part that is located the anode assembly, can pull down parts such as base alone, so that implement corresponding parts and change alone and maintenance operation, the back is accomplished in the operation, with base and corresponding each part and main casing body reassembly can, thereby need not to carry out whole change to the anode assembly, only need to change alone and maintain corresponding part can, can effectively reduce from this plasma generator's operation and use cost, optimize its operation and maintenance efficiency, and make its operating mode adaptability can correspondingly improve.

In another preferred embodiment of the present invention, the base is connected with the main casing by a screw thread, the middle part of the front end face of the base is provided with a rear positioning groove, the inner wall of the front end part of the main casing is provided with a front positioning groove, and the arc tube is coaxially embedded with the front positioning groove and connected with the rear positioning groove. The front locating groove and the rear locating groove are matched in a cooperative mode, reliable structural support and stable structural limit can be provided for the electric arc tube, the assembly strength and the component structural stability between the electric arc tube and the main shell and between the electric arc tube and the base can be guaranteed, and the electric arc tube can be detached independently when necessary after the base and the main shell are detached, so that the electric arc tube can be replaced, maintained or maintained independently; in addition, threaded connection's structural strength is higher, and counterpoint precision and operation convenience are better, can further optimize the assembly intensity and the dismouting operating efficiency between base and the main casing body to further improve the subassembly dismouting convenience of positive pole subassembly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a cross-sectional side view of an anode assembly according to one embodiment of the present invention;

FIG. 2 is a right side elevational view of the overall assembled structure of the anode assembly of FIG. 1;

FIG. 3 is a cross-sectional side view of the base of the anode assembly according to one embodiment of the present invention;

fig. 4 is a cross-sectional side view of a base of an anode assembly according to another embodiment of the present invention.

Wherein:

11-a main housing;

111-outer water jacket; 112-inner water jacket; 113-an upstream cooling channel; 114-a downstream cooling channel; 115-flow change holes; 116-front positioning groove; 117-annular positioning groove;

12-an arc tube;

121-arc path; 122-a compression section; 123-throat section; 124-an expansion section; 125-arc stabilization section; 126-variable diameter guide groove;

13-a base;

131-drainage holes; 132-a feed channel; 1321-feed end orifice; 1322-a feed conduit; 133-a discharge channel; 1331-discharge end holes; 1332-a discharge guide hole; 134-rear positioning groove;

14-a flow guide block;

141-an annular boss; 142-reducing boss.

Detailed Description

The core of the utility model is to provide an anode assembly, the components of which can be independently disassembled, assembled and replaced, thereby effectively reducing the operation cost of the plasma generator; meanwhile, a plasma generator applying the anode assembly is provided.

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.

It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, in the present disclosure, unless explicitly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature therebetween.

In addition, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Please refer to fig. 1 to fig. 4.

In a specific embodiment, the utility model provides an anode assembly, including main casing 11, the axis of main casing 11 extends along the horizontal direction, arc tube 12 has been inserted coaxially in main casing 11, the front end of arc tube 12 stretches out in the front end of main casing 11, arc tube 12's middle part has arc passageway 121, the rear end of main casing 11 is provided with base 13 coaxially, still be provided with coaxial complex outer water jacket 111 and inner water jacket 112 on the inner wall of main casing 11, outer water jacket 111, inner water jacket 112, arc tube 12 are along the radial from outside to inside coaxial arrangement in proper order of main casing 11;

the outer periphery of the rear end of the arc tube 12 is sleeved with a flow guide block 14, the inner wall of the flow guide block 14 and the outer wall of the arc tube 12, the inner wall of the inner water jacket 112 and the outer wall of the arc tube 12 are in clearance fit and are communicated with each other to form an upstream cooling channel 113, the outer wall of the inner water jacket 112 and the inner wall of the outer water jacket 111 are in clearance fit to form a downstream cooling channel 114, and the front end part of the inner water jacket 112 is provided with a commutation hole 115 for communicating the upstream cooling channel 113 and the downstream cooling channel 114;

the base 13 is detachably arranged at the rear end of the main housing 11, the middle part of the base 13 is provided with a flow guide hole 131 for communicating an external air supply device and the arc channel 121, the base 13 is also provided with a feeding channel 132 and a discharging channel 133 for cooling medium to pass through, the feeding channel 132 is communicated with the upstream of the upstream cooling channel 113 along the flow direction of the cooling medium, and the discharging channel 133 is communicated with the downstream of the downstream cooling channel 114 along the flow direction of the cooling medium;

sealing rings are arranged between the main shell 11 and the base 13, between the main shell 11 and the arc tube 12, and between the arc tube 12 and the base 13 in a contraposition mode.

During the operation, gas is introduced from the rear part of the arc tube 12 and reaches the front end part operation end of the arc tube 12 through the arc channel 121 to perform ionization operation; meanwhile, the cooling medium is introduced from the feeding channel 132, sequentially flows through the upstream cooling channel 113, the converter hole 115 and the downstream cooling channel 114, and is discharged from the discharging channel 133, so that the cooling medium is used as a main operation component of the arc tube 12 and the like to effectively cool; on this basis, because the package assembly that the dismouting is connected has been adopted between base 13 and the main casing body 11, make base 13 and the main casing body 11 can conveniently unpack apart and assemble, when local damage or trouble takes place at base 13 and each part that is located the positive pole subassembly, can pull down parts such as base 13 alone, so that implement corresponding parts and change alone and maintenance operation, after the operation finishes, with base 13 and corresponding each part and main casing body 11 reassemble can, thereby need not to carry out the whole change to the positive pole subassembly, only need to carry out alone change and maintenance to corresponding part can, can effectively reduce from this plasma generator's operation and use cost, optimize its operation and maintenance efficiency, and make its operating mode adaptability can corresponding improvement.

It should be understood that for general duty applications, the gas introduced into the arc channel 121 is air and the cooling medium is typically cooling water. Of course, in practical application, the types of the gas and the cooling medium can be flexibly selected and adjusted according to different specific operation requirements and different working conditions, and in principle, the types of the gas and the cooling medium can be any types as long as the types of the gas and the cooling medium can meet the practical application requirements of the plasma generator.

In addition, the material of the base 13 is generally stainless steel, the material of the main casing 11 is generally stainless steel or cast iron, and the material of the arc tube 12 is preferably red copper, and the specific manufacturing materials of the above components can be flexibly adjusted and selected according to actual working condition requirements, in principle, as long as the practical application requirements of the plasma generator can be met.

It should be noted on this basis that the commutation holes 115 are generally elliptical holes, and the commutation holes 115 are evenly distributed in the circumferential direction at the front end portion of the inner water jacket 112. Of course, the specific shape and arrangement of the flow changing holes 115 can be flexibly adjusted and selected according to actual working condition requirements, and in principle, the flow changing holes can be any flow changing holes as long as the flow changing holes can ensure the stable communication between the upstream cooling channel 113 and the downstream cooling channel 114 and meet the actual application requirements of the plasma generator.

Further, threaded connection between base 13 and the main casing body 11, the middle part of the preceding terminal surface of base 13 has back constant head tank 134, has preceding constant head tank 116 on the preceding tip inner wall of main casing body 11, and arc tube 12 is coaxial to be inlayed the dress joint in preceding constant head tank 116 and behind between constant head tank 134. The front positioning groove 116 and the rear positioning groove 134 are cooperatively matched, so that reliable structural support and stable structural limit can be provided for the arc tube 12, the assembly strength and the component structural stability between the arc tube 12 and the main shell 11 and the base 13 can be ensured, and the arc tube 12 can be detached independently when necessary after the base 13 and the main shell 11 are detached so as to perform independent replacement, maintenance or maintenance operation on the arc tube 12, and after the operation is finished, the arc tube 12 is assembled between the front positioning groove 116 and the rear positioning groove 134 again, and the base 13 and the main shell 11 are assembled reliably; in addition, threaded connection's structural strength is higher, and counterpoint precision and operation convenience are better, can further optimize assembly strength and dismouting operating efficiency between base 13 and the main casing body 11 to further improve anode assembly's subassembly dismouting convenience.

It should be noted that, in general, the screw thread adapting structure between the base 13 and the main casing 11 may be an external screw thread arranged at the front end of the base 13 and an internal screw thread arranged at the corresponding position of the rear end of the main casing 11; alternatively, an internal thread may be disposed at the front end of the base 13, and an external thread may be disposed at a position corresponding to the rear end of the main housing 11.

In addition, in practical application, the connection structure between the base 13 and the main casing 11 is not limited to the threaded connection, according to the difference between specific working conditions and application requirements, the base 13 and the main casing 11 can be connected by a buckle or by matching connection components such as bolts and nuts to realize the dismounting and mounting connection, and workers can adjust and select the connection in a targeted manner, in principle, the reliable assembly of the anode assembly can be ensured, and the practical application requirements of the plasma generator can be met.

On this basis, the inner wall of the main housing 11 has an annular positioning groove 117, the outer peripheral surface of the deflector block 14 is provided with an annular boss 141 in a protruding manner, and the annular boss 141 is embedded in the annular positioning groove 117 in an aligned manner. Through the counterpoint between annular positioning groove 117 and the annular boss 141 and inlay the dress adaptation, can form stable structure spacing to water conservancy diversion piece 14 to fully guarantee the assembly strength between water conservancy diversion piece 14 and the main casing body 11, make the overall assembly structure of anode assembly is more reliable and more stable.

Specifically, the feed channel 132 includes a feed-end hole 1321 located at the rear of the base 13 and a feed guide hole 1322 communicating between the feed-end hole 1321 and the upstream cooling channel 113 in the flow direction of the cooling medium; discharge channel 133 includes a discharge end hole 1331 located at the rear of base 13 and a discharge guide hole 1332 communicating between downstream cooling channel 114 and discharge end hole 1331 in the flow direction of the cooling medium; the axis of feed end bore 1321 and the axis of discharge end bore 1331 are both parallel to the axis of main housing 11, and the axial length of feed end bore 1321 is greater than the axial length of discharge end bore 1331. The axial length of the feeding end hole 1321 is long, a certain flow stabilizing effect can be formed on the introduced cooling medium, and the impact of the cooling medium in the flowing process of the cooling medium to the downstream channel is relieved; and the axial length of the discharge end hole 1331 is small, so that the cooling medium which completes the cooling operation can be rapidly discharged out of the main structure pipeline of the anode assembly, the circulation efficiency of the cooling medium is further improved, and the cooling effect is optimized.

In fact, according to different specific working conditions and working requirements, the axial length of the feeding end hole can be smaller than that of the discharging end hole, so that the working requirements under different application environments can be met, and workers can flexibly adjust and select according to the actual working conditions, and in principle, the axial length of the feeding end hole can be smaller than that of the discharging end hole, so that the practical application requirements of the plasma generator can be met.

More specifically, the feed passage 132 is located below the arc passage 121, and the top axial extension of the inner wall of the feed end hole 1321 is located below the bottom axial extension of the inner wall of the upstream cooling passage 113; the blow-off channel 133 is located above the arc channel 121, and the bottom axial extension of the inner wall of the blow-off channel 133 is located above the top axial extension of the inner wall of the downstream cooling channel 114. Specifically, the upper edge of the inner wall of the inlet port 1321 is lower than the lower edge of the inner wall of the upstream cooling channel 113, and the lower edge of the inner wall of the discharge channel 133 is higher than the upper edge of the inner wall of the downstream cooling channel 114, and in combination with the arrangement that the inlet channel 132 is lower than the discharge channel 133, the cooling medium can form a bottom-in and top-out flow structure in the main structure of the anode assembly, so as to further optimize the circulation efficiency and cooling effect of the cooling medium.

It should be noted that, as described above, the structural layout that the feeding channel is disposed below the arc channel and the discharging channel is disposed above the arc channel is only for matching the application requirements under most working conditions, during the actual operation, according to the difference between the specific operating environment and the working conditions, the feeding channel may also be disposed above the arc channel, and the discharging channel may be disposed below the arc channel, and the worker may flexibly adjust and select the arrangement position of the inlet and outlet channels of the cooling medium according to the specific working conditions and the working requirements, and in principle, the arrangement position of the inlet and outlet channels may be any one as long as the arrangement position can meet the actual application requirements of the plasma generator.

Please refer to fig. 3 and fig. 4 in combination.

More specifically, the axis of feed pilot hole 1322 extends in the radial direction of main housing 11, or the distance between the axis of feed pilot hole 1322 and the axis of main housing 11 increases from front to back; the axis of discharge guide opening 1332 extends radially of main housing 11, or the distance between the axis of discharge guide opening 1332 and the axis of main housing 11 increases from front to back. No matter what kind of guide hole structure is adopted, the conduction effect between the feeding end hole 1321 and the upstream cooling channel 113 and between the discharging end hole 1331 and the downstream cooling channel 114 should be ensured, and the efficient circulation of the cooling medium is ensured.

Please refer to fig. 2 correspondingly.

In addition, the feed end hole 1321 and the discharge end hole 1331 are both kidney-shaped holes. The flow stabilizing effect of the kidney-shaped hole structure is good, the circulation effect of the cooling medium is further optimized, and the circulation efficiency of the cooling medium at the feeding end hole 1321 and the discharging end hole 1331 is ensured.

On the other hand, the arc channel 121 comprises a compression section 122, a throat section 123, an expansion section 124 and an arc stabilizing section 125 which are sequentially communicated from back to front along the axial direction of the arc channel, wherein the inner diameter of the compression section 122 decreases progressively from back to front, the inner diameter of the expansion section 124 increases progressively from back to front, and the inner diameter of the throat section 123 is smaller than that of the arc stabilizing section 125; the inner diameter of the drainage hole 131 decreases from the rear to the front, the taper of the inner wall of the compression section 122 is smaller than that of the inner wall of the drainage hole 131, and the inner diameter of the rear end of the compression section 122 is equal to that of the front end of the drainage hole 131. The conical shrinkage continuous guide surface formed by aligning and matching the drainage hole 131 and the compression section 122 can effectively improve the arcing success rate and the arc stability of the arc channel 121, so that the operation effect and the working performance of the plasma generator are optimized.

It should be correspondingly noted that, in practical applications, the contraction angle of the conical surface formed by aligning and fitting the drainage hole 131 and the compression section 122 is 40 ° to 75 °, wherein the contraction angle of the inner wall conical surface of the drainage hole 131 is preferably 60 °, and the contraction angle of the inner wall conical surface of the compression section 122 is preferably 45 °, so as to meet the operation and application requirements under most working conditions. Of course, in practical applications, the worker can also flexibly adjust and select the contraction angles of the conical surface structures of the drainage holes 131 and the compression section 122 according to specific working condition requirements, and in principle, the contraction angles can be satisfied with the practical application requirements of the plasma generator.

In addition, the outer wall of the arc tube 12 is provided with a reducing guide groove 126 at the position corresponding to the compression section 122, the throat section 123 and the expansion section 124; the diversion block 14 is sleeved on the periphery of the reducing guide groove 126 in an aligning manner, and a reducing boss 142 which is in aligning clearance fit with the reducing guide groove 126 is convexly arranged on the inner wall of the diversion block 14. The bending channel structure formed by aligning and matching the reducing guide groove 126 and the reducing boss 142 can further optimize the circulation efficiency of the cooling medium and the cooling effect of each key working part of the arc tube 12.

Generally, the thickness of the tube wall of the arc tube 12 is substantially consistent, so that the bending structure of the reducing guide groove 126 can be matched with the inner wall of the arc tube 12 at the aligned compression section 122, throat section 123 and expansion section 124, so as to further optimize the structural strength and reliability of the arc tube 12, and the bending channel structure formed by the aligned matching of the reducing guide groove 126 and the reducing boss 142 can also be matched with the corresponding position of the arc tube 12 moderately, so that the plasma generator has higher assembly adaptability, more compact and reliable assembly structure and higher assembly space utilization rate.

In a specific embodiment, the present invention provides a plasma generator comprising an anode assembly, the anode assembly being as described in the above embodiments. The components of the anode assembly of the plasma generator can be independently assembled, disassembled and replaced, so that the running cost of the plasma generator is effectively reduced.

In summary, in the working operation process of the anode assembly provided in the present invention, gas is introduced from the rear portion of the arc tube, and reaches the front end portion operation end of the arc tube through the arc channel to perform the ionization operation; meanwhile, the cooling medium is introduced from the feeding channel, sequentially flows through the upstream cooling channel, the flow changing hole and the downstream cooling channel, and is discharged from the discharging channel, so that the cooling medium is used as main operation parts such as the arc tube and the like to effectively cool; on the basis, because the package assembly that the dismouting is connected has been adopted between the base and the main casing body, make base and the main casing body can conveniently unpack apart and assemble, when local damage or trouble takes place at base and each part that is located the positive pole subassembly, can pull down parts such as base alone, so that implement corresponding parts and change alone and maintenance operation, the back is accomplished in the operation, with base and corresponding each part and main casing body reassembly can, thereby need not to carry out the whole change to the positive pole subassembly, only need to carry out alone change and maintenance to corresponding part can, can effectively reduce from this plasma generator's operation and use cost, optimize its operation and maintenance efficiency, and make its operating mode adaptability can corresponding improvement.

Furthermore, the utility model provides an use plasma generator of above-mentioned anode assembly, the dismouting and the change can be implemented alone to its anode assembly's part to effectively reduce plasma generator's running cost.

The anode assembly and the plasma generator using the same provided by the present invention have been described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. An anode assembly comprises a main shell, wherein the axis of the main shell extends along the horizontal direction, an arc tube is coaxially inserted in the main shell, the front end part of the arc tube extends out of the front end part of the main shell, an arc channel is arranged in the middle of the arc tube, and a base is coaxially arranged at the rear end part of the main shell;

a flow guide block is sleeved on the outer peripheral part of the rear end of the electric arc tube, the inner wall of the flow guide block and the outer wall of the electric arc tube and the inner wall of the inner water jacket and the outer wall of the electric arc tube are in clearance fit and are communicated with each other to form an upstream cooling channel, the outer wall of the inner water jacket and the inner wall of the outer water jacket are in clearance fit to form a downstream cooling channel, and a commutation hole for communicating the upstream cooling channel and the downstream cooling channel is formed in the front end part of the inner water jacket;

the base is detachably arranged at the rear end of the main shell, a drainage hole for communicating an external air supply device and the arc channel is formed in the middle of the base, a feeding channel and a discharging channel for cooling media to pass through are further formed in the base, the feeding channel is communicated with the upstream of the upstream cooling channel along the flowing direction of the cooling media, and the discharging channel is communicated with the downstream of the downstream cooling channel along the flowing direction of the cooling media;

sealing rings are arranged between the main shell and the base, between the main shell and the arc tube and between the arc tube and the base in a contraposition mode.

2. An anode assembly according to claim 1, wherein the base is in threaded connection with the main casing, a rear positioning groove is formed in the middle of the front end surface of the base, a front positioning groove is formed in the inner wall of the front end portion of the main casing, and the arc tube is coaxially inserted and clamped between the front positioning groove and the rear positioning groove.

3. An anode assembly according to claim 2, wherein the inner wall of the main housing has an annular positioning groove, the outer circumferential surface of the deflector block is provided with an annular boss in a protruding manner, and the annular boss is embedded in the annular positioning groove in an aligned manner.

4. An anode assembly according to claim 1, wherein said feed channel comprises a feed end hole at the rear of said base and a feed guide hole communicating between said feed end hole and said upstream cooling channel in the flow direction of the cooling medium;

the discharge channel comprises a discharge end hole positioned at the rear part of the base and a discharge guide hole communicated between the downstream cooling channel and the discharge end hole along the flow direction of the cooling medium;

the axial line of the feeding end hole and the axial line of the discharging end hole are parallel to the axial line of the main shell, and the axial length of the feeding end hole is larger than that of the discharging end hole.

5. An anode assembly according to claim 4, wherein said feed channel is located below said arc channel, and a top axial extension of an inner wall of said feed end aperture is located below a bottom axial extension of an inner wall of said upstream cooling channel;

the discharge channel is located above the arc channel, and a bottom axial extension line of an inner wall of the discharge channel is located above a top axial extension line of an inner wall of the downstream cooling channel.

6. An anode assembly according to claim 5, wherein the axis of the feed guide hole extends in a radial direction of the main casing, or the distance between the axis of the feed guide hole and the axis of the main casing increases from front to back;

the axis of the discharge guide hole extends along the radial direction of the main shell, or the distance between the axis of the discharge guide hole and the axis of the main shell increases from front to back.

7. An anode assembly according to claim 4, wherein said feed end hole and said discharge end hole are kidney shaped holes.

8. An anode assembly according to claim 1, wherein said arc passageway comprises a compression section, a throat section, an expansion section and an arc stabilization section which are sequentially communicated from back to front along an axial direction thereof, an inner diameter of said compression section decreases progressively from back to front, an inner diameter of said expansion section increases progressively from back to front, and an inner diameter of said throat section is smaller than an inner diameter of said arc stabilization section;

the internal diameter of the drainage hole decreases progressively from back to front, the taper of the inner wall of the compression section is smaller than that of the inner wall of the drainage hole, and the internal diameter of the rear end part of the compression section is equal to that of the front end part of the drainage hole.

9. An anode assembly according to claim 8 wherein said arc tube has variable diameter guide slots in an outer wall thereof aligned with said compression section, said throat section and said expansion section;

the water conservancy diversion piece is to the cover and is located the peripheral part of reducing guide slot, just the protrusion is provided with on the inner wall of water conservancy diversion piece with reducing guide slot counterpoint clearance fit's reducing boss.

10. A plasma generator comprising an anode assembly, wherein the anode assembly is as claimed in any one of claims 1 to 9.

Images