CN209882194U

CN209882194U - Cathode plasma generator with internal spiral channel

Info

Publication number: CN209882194U
Application number: CN201920265917.2U
Authority: CN
Inventors: 曲大伟; 刘玉宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-04
Filing date: 2019-03-04
Publication date: 2019-12-31
Anticipated expiration: 2029-03-04

Abstract

The utility model discloses an internal spiral channel cathode plasma generator, which comprises an end cover, wherein one end of the end cover is connected with a wire holder, one end of the wire holder is connected with a rear electrode coat, one side of an insulating spacer sleeve is connected with a front electrode coat, a lantern ring is arranged at the joint of the front electrode coat and the insulating spacer sleeve, airflow grooves are respectively arranged on the top surface and the bottom surface of the rear electrode coat, and air outlet holes are respectively arranged on the two sides of the inside of the airflow groove and on the surface of the rear electrode coat. Causing damage to the plasma generator.

Description

Cathode plasma generator with internal spiral channel

Technical Field

The utility model relates to a plasma generating equipment technical field specifically is an interior spiral passageway negative pole plasma generator.

Background

The conventional plasma generator generates a directional magnetic field through a direct current electromagnetic coil arranged outside an electrode, utilizes the action of the electromagnetic field to compress an electric arc in a limited area, and takes compressed air as a heat transfer carrier, namely the conventional magnetically stabilized plasma generator, which is generally called as a magnetically stabilized plasma generator, and has the problems that the kinetic energy of the electric arc plasma is small, the electric arc is small in size, the rigidity is insufficient, the penetrating power is weak, the conventional plasma generator is only suitable for igniting high-volatile coal, the adjusting means is single, only can adjust current and voltage, the energy consumption is high, the power of more than 200kw is needed when the 3t/h pulverized coal flow is processed, and the electromagnetic coil is positioned in a high-temperature area, and water cooling is needed for protecting the coil, so that the equipment is large in size, complex.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical scheme, the kinetic energy that can effectively solve and provide arc plasma self among the above-mentioned background art is less, the electric arc is small, the not enough penetrating power of rigidity is more weak, only be suitable for the ignition of high volatile share coal seed, the regulation means is single, can only adjust electric current and voltage and energy consumption height, need the power more than 200kw when handling 3t/h buggy flow, again because of solenoid is located high temperature region, need the water-cooling for the protection coil, therefore equipment is bulky, the structure is complicated, the higher problem of fault rate.

In order to achieve the above object, the utility model provides a following technical scheme: an inner spiral channel cathode plasma generator comprises an end cover, wherein one end of the end cover is connected with a wire holder, one end of the wire holder is connected with a rear electrode sleeve, one end of the rear electrode sleeve is provided with an insulating spacer bush, one side of the insulating spacer bush is connected with a front electrode sleeve, a lantern ring is arranged at the joint of the front electrode sleeve and the insulating spacer bush, the top end surface and the bottom end surface of the rear electrode sleeve are respectively provided with an airflow groove, two sides in the airflow groove are respectively provided with an air outlet hole on the surface of the rear electrode sleeve, and the bottom of the air outlet hole is connected with a vent pipe;

wire holder one end mid-mounting has the flange, the flange surface is all pasted and is covered and have the sealing washer, the spacing groove has been seted up with the end cover junction to the flange, wire holder internally mounted has the shunt, back electrode coat internally mounted has interior spiral negative electrode, insulating spacer internally mounted has the positive electrode, the wire holder all installs the mount pad with insulating spacer bottom surface.

Preferably, the connecting seat is installed in the front electrode outer sleeve, and the connecting seat is connected with the positive electrode through a pressure nut.

Preferably, the outer surface of the convex plate is provided with an external thread, the inner part of the limiting groove is provided with an internal thread, and the convex plate is connected with the limiting groove in a matching manner.

Preferably, the number of the air outlet holes is two, and the length of the air flow groove is the same as that of the vent pipe.

Preferably, the convex plate is internally provided with a groove, and the groove is internally provided with a connecting pipeline.

Preferably, threaded holes are formed in two sides of the top end of the insulating spacer bush and are connected with the front electrode outer sleeve through screws.

Preferably, the connecting block is all installed to front electrode overcoat one end top and bottom, the spread groove has been seted up with back electrode overcoat junction to the connecting block, the mounting hole has been seted up with insulating spacer junction to the spread groove, mounting hole internally mounted has clamping screw.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. be provided with venthole, air current groove and breather pipe, can be so that the inside temperature of plasma generator tends to the definite value, the better use of plasma generator of being convenient for improves plasma generator's life, prevents that plasma generator from leading to plasma generator to take place to break because of the reason of expend with heat and contract with cold in cold and hot change, causes plasma generator's damage.

2. Be provided with connecting block, spread groove, clamping screw and mounting hole, the plasma generator that can be convenient for is fixed stable, improves plasma generator's leakproofness to make plasma generator more smooth use, prevent that plasma generator is in the use, because fixed unstable, lead to plasma generator to scatter the frame easily, perhaps appear the gap between the part, influence plasma generator's further use.

3. Be provided with end cover, flange and spacing groove, can be convenient for dismantle plasma generator to the inside part of plasma generator is conveniently changed and is maintained, prevents that plasma generator from using the back for a long time, and the part is ageing easily, makes the staff when dismantling plasma generator, wastes time and energy.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of the area A in FIG. 2 according to the present invention;

reference numbers in the figures: 1. an end cap; 2. a wire holder; 3. a rear electrode sleeve; 4. an air flow groove; 5. an insulating spacer sleeve; 6. a collar; 7. a front electrode housing; 8. an air outlet; 9. a limiting groove; 10. a convex plate; 11. a seal ring; 12. a flow divider; 13. an internal spiral cathode electrode; 14. a breather pipe; 15. an anode electrode; 16. a mounting seat; 17. fixing the screw rod; 18. mounting holes; 19. connecting blocks; 20. and connecting the grooves.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-3, the utility model provides a technical scheme, an internal spiral channel cathode plasma generator, which comprises an end cover 1, one end of the end cover 1 is connected with a wire holder 2, one end of the wire holder 2 is connected with a rear electrode jacket 3, one end of the rear electrode jacket 3 is provided with an insulating spacer 5, in order to facilitate the dismounting of the insulating spacer 5, the insulating spacer 5 can be replaced, the insulating spacer 5 is prevented from aging, and the insulativity of the plasma generator is influenced, both sides of the top end of the insulating spacer 5 are provided with threaded holes, the threaded holes are connected with a front electrode jacket 7 through screws, one side of the insulating spacer 5 is connected with a front electrode jacket 7, in order to fix and stabilize an anode electrode 15, thereby reducing the phenomenon that the anode electrode 15 is loosened in the using process of the plasma generator, and influencing the further use of the plasma generator, a connecting seat is arranged inside the front electrode jacket 7, the connecting seat is connected with the anode electrode 15 through a pressure nut, a lantern ring 6 is installed at the joint of the front electrode outer sleeve 7 and the front electrode outer sleeve 7, airflow grooves 4 are formed in the top end surface and the bottom end surface of the rear electrode outer sleeve 3, so that the plasma generator can be kept at a constant temperature better, the internal temperature of the plasma generator tends to a constant value, the number of the air outlet holes 8 is two, the length of each airflow groove 4 is equal to that of each vent pipe 14, the air outlet holes 8 are formed in the two sides of the interior of each airflow groove 4, located on the surface of the rear electrode outer sleeve 3, and the bottoms of the air outlet holes;

a convex plate 10 is arranged in the middle of one end of a wire holder 2, in order to enable the convex plate 10 to be connected with a limiting groove 9 more stably and further avoid gaps generated by a plasma generator and improve the stability of the plasma generator in use, a groove is formed in the convex plate 10, a connecting pipeline is arranged in the groove, in order to facilitate the rapid separation of the convex plate 10 and the limiting groove 9, parts in the plasma generator are convenient to replace, and therefore the labor capacity of workers is reduced, external threads are formed on the outer surface of the convex plate 10, internal threads are formed in the limiting groove 9, the convex plate 10 is connected with the limiting groove 9 in a matching manner, sealing rings 11 are respectively pasted on the outer surface of the convex plate 10, the limiting groove 9 is formed at the joint of the convex plate 10 and an end cover 1, a shunt 12 is arranged in the wire holder 2, an internal spiral cathode electrode 13 is arranged in a rear electrode outer sleeve 3, the wire holder 2 and the bottom end surface of the insulating spacer 5 are both provided with a mounting seat 16.

Connecting block 19 is all installed with the bottom in 7 one end tops of preceding electrode overcoat, and connecting groove 20 has been seted up with back electrode overcoat 3 junction to connecting block 19, and mounting hole 18 has been seted up with insulating spacer 5 junction to connecting groove 20, and mounting hole 18 internally mounted has clamping screw 17.

The utility model discloses a theory of operation and use flow: the rear electrode assembly consists of an end cover 1, a rear electrode outer sleeve 3, a shunt 12 and an inner spiral cathode electrode 13, the shunt 12 is connected to the left side of the inner spiral cathode electrode 13, the shunt 12 and the inner spiral cathode electrode 13 are arranged in the rear electrode outer sleeve 3 to form a concentric sleeve, wherein a space enclosed by the inner spiral cathode electrode 13, the shunt 12, the rear electrode outer sleeve 3 and the end cover 1 forms an airflow rear cavity, a spiral micro-convergent conical cavity in the inner spiral cathode electrode 13 is an accelerating channel of rear rotational flow and axial flow, and the smooth inner wall of the right half part of the inner spiral cathode electrode is a discharging area.

The front electrode assembly consists of a front electrode outer sleeve 7 and an anode electrode 15, the anode electrode 15 is sleeved in the front electrode outer sleeve 7, an annular gap between the front electrode outer sleeve 7 and the anode electrode 15 forms an airflow front cavity, a diffusion-shaped cavity in the anode electrode 15 is an electrode discharge area and is also used for decelerating and diffusing airflow so as to increase the diameter of plasma, and the insulating spacer 5 is made of insulating materials and is used for connecting and insulating the front electrode assembly and the rear electrode assembly.

When the plasma generator works, one path of normal-temperature compressed air after pressure regulation enters the airflow groove 4 and flows into the air outlet 8 along the airflow groove 4, the temperature in the plasma generator can tend to a fixed value through the air pipe 14, the plasma generator is convenient to use better, the service life of the plasma generator is prolonged, the plasma generator is prevented from being broken due to expansion caused by heat and contraction caused by cold in cold and hot changes, the plasma generator is prevented from being damaged, when the plasma generator is not used, the plasma generator can be disassembled, the convex plate 10 can move in the limiting groove 9 by moving the end cover 1, the end cover 1 is separated from the wire holder 2, the plasma generator can be conveniently disassembled, so that parts in the plasma generator are convenient to replace and maintain, and the plasma generator is prevented from being used for a long time, parts are easy to age, and workers waste time and labor when disassembling the plasma generator.

Agree with through connecting block 19 and spread groove 20 and be connected, twist and move clamping screw 17 and make clamping screw 17 at the activity of mounting hole 18, it is fixed more stable with connecting block 19 and spread groove 20, thereby plasma generator's leakproofness and steadiness have been improved, thereby make plasma generator more smooth use, prevent that plasma generator is in the use, because fixed unstable, lead to appearing the gap between the plasma generator internals easily, influence plasma generator's further use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an interior spiral passageway cathode plasma generator, includes end cover (1), its characterized in that: one end of the end cover (1) is connected with a wire holder (2), one end of the wire holder (2) is connected with a rear electrode sleeve (3), one end of the rear electrode sleeve (3) is provided with an insulating spacer sleeve (5), one side of the insulating spacer sleeve (5) is connected with a front electrode sleeve (7), a lantern ring (6) is arranged at the joint of the front electrode sleeve (7) and the insulating spacer sleeve (5), airflow grooves (4) are formed in the top end surface and the bottom end surface of the rear electrode sleeve (3), air outlet holes (8) are formed in the two sides of the interior of each airflow groove (4) and are positioned on the surface of the rear electrode sleeve (3), and the bottoms of the air outlet holes (8) are connected with vent pipes (;

wire holder (2) one end mid-mounting has flange (10), flange (10) surface is all pasted and is covered and is had sealing washer (11), spacing groove (9) have been seted up with end cover (1) junction in flange (10), wire holder (2) internally mounted has shunt (12), rear electrode overcoat (3) internally mounted has interior spiral negative electrode (13), insulating spacer (5) internally mounted has positive electrode (15), mount pad (16) are all installed with insulating spacer (5) bottom surface in wire holder (2).

2. The internal helical channel cathode plasma generator according to claim 1, wherein the front electrode outer sleeve (7) is internally provided with a connecting seat, and the connecting seat is connected with the anode electrode (15) through a pressure nut.

3. The internal spiral channel cathode plasma generator according to claim 1, wherein the outer surface of the convex plate (10) is provided with external threads, the inner part of the limiting groove (9) is provided with internal threads, and the convex plate (10) is in fit connection with the limiting groove (9).

4. The internal spiral channel cathode plasma generator according to claim 1, wherein the number of the air outlet holes (8) is two, and the length of the air flow groove (4) is the same as that of the air vent pipe (14).

5. The internal spiral channel cathode plasma generator according to claim 1, wherein the convex plate (10) is provided with a groove therein, and the groove is provided with a connecting pipe therein.

6. The internal spiral channel cathode plasma generator according to claim 1, wherein both sides of the top end of the insulating spacer sleeve (5) are provided with threaded holes, and the threaded holes are connected with the front electrode outer sleeve (7) through screws.

7. The internal spiral channel cathode plasma generator according to claim 1, wherein a connecting block (19) is installed at the top and the bottom of one end of the front electrode outer sleeve (7), a connecting groove (20) is formed at the joint of the connecting block (19) and the rear electrode outer sleeve (3), a mounting hole (18) is formed at the joint of the connecting groove (20) and the insulating spacer sleeve (5), and a fixing screw (17) is installed inside the mounting hole (18).