CN107949140A - A kind of spring arc striking type plasma burner - Google Patents
A kind of spring arc striking type plasma burner Download PDFInfo
- Publication number
- CN107949140A CN107949140A CN201711317879.2A CN201711317879A CN107949140A CN 107949140 A CN107949140 A CN 107949140A CN 201711317879 A CN201711317879 A CN 201711317879A CN 107949140 A CN107949140 A CN 107949140A
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- gun body
- cathode
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- anode
- wall
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/28—Cooling arrangements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3405—Arrangements for stabilising or constricting the arc, e.g. by an additional gas flow
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Plasma Technology (AREA)
Abstract
The present invention relates to a kind of spring arc striking type plasma burner, mainly include：Cathode, gun body, spring assembly and anode, wherein, the cathode includes：Isometrical section and electric discharge section being connected with each other, the described isometrical section inner cavity for running through the gun body in the horizontal direction, and form circular passage with the inner cavity；The spring assembly is located at the inside of the gun body, including：Cathode baffle, spring and gun body block, wherein, the cathode baffle is arranged on described isometrical section of outer wall, the gun body block is arranged on the inner wall of the gun body, the spring is arranged between the cathode baffle and gun body block, by controlling the decrement of the spring, the cathode and anode is controlled to be contacted and the starting the arc.The present invention can realize the quick starting the arc, and plasma immediate stability is realized after the starting the arc, and arcing voltage scope is big, it is not necessary to which additional high pressure starting the arc system, makes Igniting pattern safer.
Description
Technical field
The invention belongs to the technical field of the plasma burners such as petrochemical industry, metallurgy and power industry, and in particular to a kind of
Spring arc striking type plasma burner.
Background technology
Plasma refers to that what gas was ionized generation contains a large amount of electronics, ion, excited state molecule, atom and freedom
The high active substance of group, also referred to as " the 4th state " of material, low temperature plasma temperature range arrives tens of thousands of degree thousands of,
With regard to hot plasma, hot plasma is applied to industrial, can be used as pulverized coal boiler ignition rifle, rubbish, solid waste
Prepared by gasification etc., the igniting of gas turbine and steady combustion, the hydrogen in terms of chemical industry, currently also have numerous studies to use heat plasma
Body prepares the materials such as graphene.
Supplier of the plasma burner as heat source at present, is mainly used in power station pulverized coal boiler igniting, solid waste rubbish
Melt process, flying dust processing etc., existing plasma burner uses Jie that single source of the gas is produced as plasma more
Matter source of the gas, medium source of the gas are mainly compressed air, argon gas, the simple gases such as hydrogen, by high-voltage breakdown or are connect during use
The mode for touching arcing produces electric arc, for ionization medium gas.
Existing power plant uses plasma igniter, since its structure is larger, passes through negative and positive by the way of movable cathode substantially
Pole contacting ignition arc forms plasma, carries out current interruption by movable cathode after boiler-burner igniting, primarily serves ignition action.
And long-time service is needed for the plasma burner of the industries such as rubbish melting, the high pressure starting the arc is all used, passes through high electricity
Electric arc is formed between pressure breakdown and anode and cathode, dielectric gas forms plasma by electric arc, for the supply of heat source, but needs
Supporting power-supply system is wanted to possess the control section of the high pressure starting the arc, whole system power supply is numerous and diverse, while increases system cost, at the same time
Making requirement on machining accuracy to workpiece is high, after easily there is Partial ablation during use, it is not easy to the starting the arc, it is necessary to carry out pipe portion
Part is replaced, adversely affecting its combustion efficiency.
The content of the invention
In view of the deficiencies of the prior art, the present invention proposes a kind of spring arc striking type plasma burner, by controlling bullet
The compression of spring component, which to contact between anode and cathode, to be powered, and when stretching, extension to form suitable die opening between anode and cathode, at the same time
The medium source of the gas being passed through ionizes to form plasma and by the spout of anode by the runner between anode and cathode by arc discharge
Spray, using spring starting the arc structure, the optimization of starting the arc mode has been carried out to the Igniting pattern of plasma burner, which can
To realize the quick starting the arc, plasma immediate stability is realized after the starting the arc, arcing voltage scope is big, it is not necessary to which additional high pressure rises
Arc system, makes Igniting pattern safer.
It is at least to solve one of above-mentioned technical problem, the technical solution that the present invention takes is：
The present invention proposes a kind of spring arc striking type plasma burner, including：Cathode, gun body, spring assembly and anode, its
In, the cathode includes：Isometrical section and electric discharge section being connected with each other, described isometrical section in the horizontal direction through the interior of the gun body
Chamber, and form circular passage with the inner cavity；The spring assembly is located at the inside of the gun body, including：Cathode baffle, spring
With gun body block, wherein, the cathode baffle is arranged on described isometrical section of outer wall, and the gun body block is arranged at the rifle
On the inner wall of body, the spring is arranged between the cathode baffle and gun body block, by controlling the decrement of the spring,
The cathode and anode is controlled to be contacted and the starting the arc；The anode is connected with the gun body close to one end of the electric discharge section,
And form gas cavity with the electric discharge section.
Further, multiple gun body blocks are circumferentially spaced is arranged on the inner wall of the gun body, and is located at
The side of the cathode baffle.
Further, further include：Circular closure plate, the closure plate are radially disposed at the gun body away from the another of electric discharge section
One end, and the outer wall of the closure plate is connected with the inner thread of the gun body, the inner wall of the closure plate passes through with described isometrical section
Sealing ring is connected, for sealing the gun body.
Further, described isometrical section of inside is horizontally disposed cooling water through hole；Described isometrical section of outer wall
On be along the circumferential direction equipped with multiple radial hole being connected with the cooling water through hole.
Further, further include：Insulating layer, it is wrapped in described isometrical section of outside, and one end position of the insulating layer
In the inside of the gun body block, be provided with apopore on the insulating layer, the apopore respectively with the circular passage
It is connected with radial hole, forms chilled(cooling) water return (CWR).
Further, there is gap so that cooling water is flowed through the gap between the insulating layer and the gun body block
Go out, discharged by the cooling water outlet set on the other end side wall of the gun body.
Further, one end of the close electric discharge section of the gun body is put by seal and the insulating layer with described
Electric section forms end part seal.
Further, one end of described isometrical section of remote electric discharge section is located at the outside of the gun body, for installing cathode
Connector.
Further, the anode includes：Mounting portion and outlet portion, wherein, one end of the mounting portion passes through seal
It is connected with the outer wall sealing of the gun body, the other end is connected with the outlet portion；The inside of the outlet portion is set in the horizontal direction
Scaling jet passage is equipped with, the interior of the scaling jet passage is provided with the gas being connected with the gas cavity
Chamber.
Further, the side wall of the outlet portion is equipped with the air inlet being connected with the gas lumen, for being passed through
Dielectric gas；The dielectric gas cools down anode by the gas lumen, and by described in air inlet entrance
Gas cavity, cools down cathode and forms air film protection in cathode surface.
The present invention includes at least following beneficial effect：
1）The present invention uses spring arc-striking structure, can replace conventional high-tension starting the arc system-level device so that starting the arc mode is more
Add simplicity；
2）The present invention uses spring arc-striking structure, passes through the research to device structure so that cooled cathode is more reasonable so that
Cathode service life increased；
3）The present invention uses spring arc-striking structure, and anode and cathode are cooled down by dielectric gas, reduce anode water
The heat that cold belt goes out, increases the mean temperature of plasma, and improve burner uses power；
4）The present invention uses rational Structure of the cathode and the anode, including the dependency structure of cathode construction and anode scaling spout, ensures
The stable operation of arc afterburner.
Brief description of the drawings
Fig. 1 is the structure diagram of burner of the present invention.
Fig. 2 is the A-A faces sectional view of Fig. 1.
Wherein, isometrical section 101, cooling water through hole 1011, radial hole 1012, electric discharge section 102, gun body 2, cooling water outlet
201st, mounting portion 301, outlet portion 302, scaling jet passage 3021, gas cavity 3022, gas lumen 3023, the first air inlet
3024th, the second air inlet 3025, cathode baffle 4, spring 5, gun body block 6, closure plate 7, sealing ring 8, insulating layer 9, seal 10,
Negative contact 11, cooling water water inlet direction W.
Embodiment
In order to make those skilled in the art more fully understand technical scheme, with reference to specific embodiment to this
Invention is described in further detail.The embodiments described below is exemplary, and is only used for explaining the present invention, without being understood that
For limitation of the present invention.Particular technique or condition are not specified in embodiment, according to the described skill of document in the art
Art or condition are carried out according to product description.
According to an embodiment of the invention, Fig. 1 is the structure diagram of burner of the present invention, with reference to shown in Fig. 1, institute of the present invention
Spring arc striking type plasma burner is stated, including：Gun body, cathode, negative contact, spring assembly, insulating layer, closure plate and anode.
According to an embodiment of the invention, with reference to shown in Fig. 1, cathode of the present invention includes：Be connected with each other isometrical section and
Electric discharge section, wherein, the described isometrical section inner cavity for running through the gun body in the horizontal direction, and circular passage is formed with the inner cavity,
And described isometrical section of left end is located at the outside of the gun body, for installing the negative contact, the negative contact has length
Spend the external screw thread that scope is 15-25mm, preferably 20mm；The isometrical intersegmental part is formed horizontally disposed cold to be hollow
But water through hole, along the circumferential direction leads to equipped with multiple radial directions being connected with the cooling water through hole on described isometrical section of outer wall
Hole, cooling water enter from the cooling water through hole, and cooling water intakes direction W as shown in the figure, more specifically, the radial hole is set
It is disposed adjacent at 0.5 times of isometrical section of outside diameter distance of the electric discharge section side, the aperture of the radial hole is described isometrical section
0.5 times of internal diameter；According to some embodiments of the present invention, the outside diameter of isometrical section of cathode of the present invention is 10-20mm, is preferably
15mm；The radial hole quantity is 6 or 8.
According to an embodiment of the invention, with reference to shown in Fig. 1, the electric discharge section in coniform, be connected with described isometrical section and
Positioned at described isometrical section of right side, the length of the electric discharge section is isometrical section of 2-2.5 times of isometrical section of outside diameter, preferably 2 times
Outside diameter, cone angle are 15-25 °, are preferably 20 °, material is preferably tungsten.
According to an embodiment of the invention, Fig. 2 is the A-A faces sectional view of Fig. 1, with reference to shown in Fig. 1 and 2, bullet of the present invention
Spring component is located at the inside of the gun body, more specifically, in the circular passage, including：Cathode baffle, spring and multiple
Gun body block, wherein, the cathode baffle is arranged on described isometrical section of outer wall, apart from the negative contact 35-45mm, institute
State the right side that multiple gun body blocks are respectively positioned on the cathode baffle, and the circumferentially spaced inner wall for being arranged in the gun body
On, the spring is arranged between the cathode baffle and gun body block, by controlling the decrement of the spring, described in control
Cathode and anode are contacted and the starting the arc, more specifically：Make spring-compressed by pressing cathode, make the distance between anode and cathode be
Zero, i.e. anode and cathode contact is powered, and after anode and cathode contact is powered, removing external force makes spring recover extended configuration, between anode and cathode
Electric arc is formed, dielectric gas is ionized by electric arc by the runner between anode and cathode and produces plasma at this time, is sprayed by anode
Mouth, which sprays, completes the starting the arc, it is ensured that flame mean temperature is at 2500-3000 DEG C.
According to some embodiments of the present invention, the cathode baffle is circular ring shape, and thickness 4-6mm, is preferably 5mm, directly
Footpath is less than gun body internal diameter 8-12mm, preferably 10mm.
According to some embodiments of the present invention, after the spring installation, when spring is in extended configuration, between anode and cathode
Distance ensures in 3-5mm, preferably using when spacing be 4mm, when spring pressured state, ensures to contact with each other between anode and cathode, bullet
Spring length is 40-60mm, preferably 50mm, and spring pitch diameter is 1.25-1.75 times of isometrical section of outside diameter of the cathode, preferably
1.5 times, spring line footpath is 3-5mm, preferably 4mm.
According to some embodiments of the present invention, with reference to shown in Fig. 2, the quantity of gun body block of the present invention is 4-8, excellent
Elect 6 as, the gun body block internal diameter is bigger 3-5mm than the insulating layer outside diameter, is preferably 4mm, forms gap so that cooling water
Flow out through the gap, discharged by the cooling water outlet set on the left end side wall of the gun body.
According to an embodiment of the invention, with reference to shown in Fig. 1 and 2, insulating layer of the present invention is wrapped in described isometrical section
Outside, and the left end of the insulating layer is located at the inside of the gun body block, the right end of the insulating layer is located at described isometrical section
Right end, be provided with apopore on the insulating layer, quantity and outer wall of the size with described isometrical section of the apopore
The radial hole being equipped with is identical, during installation, is overlapped with the radial hole, i.e., described apopore respectively with the circular passage
It is connected with radial hole, forms chilled(cooling) water return (CWR)；According to some embodiments of the present invention, the insulating layer material is preferably poly-
Tetrafluoro, the thickness of insulating layer is preferably 3mm.
According to an embodiment of the invention, with reference to shown in Fig. 1, the right end of the gun body by seal and the insulating layer with
The electric discharge section forms end part seal, is equipped with the external screw thread that length is 10-15mm vertically on the right end outer wall of the gun body, uses
In jointed anode, left end inner wall is equipped with the internal thread that length is 10mm vertically, and for connecting closure plate, the both ends for forming gun body are close
Envelope, at the left end 40-50mm of the gun body, is preferably 45mm, the cooling is radially equipped with the gun body
Water out, its length range are 20-40mm, preferably 30mm, latus rectum DN15mm；At the left end 60-80mm of the gun body,
Preferably 70mm, equipped with the gun body block, the length of the gun body can be set according to using technique with adjusted design length, length
Meter scope is less than 2m.
According to an embodiment of the invention, with reference to shown in Fig. 1, the closure plate is radially disposed at the left end of the gun body, described
Closure plate is the circular steel plate of thickness 6-10mm, and the closure plate center drilling, forms circular, the full spiral shell of outer wall setting of the closure plate
Line is connected with the internal thread of the inner wall of the gun body, and the inner wall of the closure plate is connected with described isometrical section by sealing ring, is used for
Seal the gun body.
According to an embodiment of the invention, with reference to shown in Fig. 1, anode of the present invention includes：Mounting portion and outlet portion, its
In, one end of the mounting portion is connected by seal with the external screw thread sealing on the right end outer wall of the gun body, and with it is described
Section of discharging forms gas cavity, and the other end is connected with the outlet portion, and more specifically, the seal is installed on apart from the peace
At the left part 10-20mm in dress portion, preferably 15mm, apart from the left part of the mounting portion at 15-25mm（Preferably 20mm）,
The inner wall of the mounting portion is equipped with the internal thread that length is 10-20mm, preferably 15mm, the right side with the gun body in the axial direction
The external screw thread sealing on outer wall is held to be connected, the wall thickness of the mounting portion is 8-12mm, preferably 10mm.
According to an embodiment of the invention, with reference to shown in Fig. 1, the inside of the outlet portion is horizontally disposed to have scaling to spray
Mouth passage, the interior of the scaling jet passage are provided with the gas lumen being connected with the gas cavity；It is described go out
The side wall of oral area is equipped with the air inlet being connected with the gas lumen, including：First air inlet and the second air inlet, more
Body：First air inlet is arranged at the outer of the outlet portion at the spout 40-50mm of the scaling jet passage
It is preferably 45mm, the bore of first air inlet is 8-12mm on wall；Close to cathode side, described scaling jet passage
Side wall on, multiple second air inlets of circumference uniform distribution, the gas cavity is connected with the gas lumen, described
The bore of two air inlets is 0.5 times of the bore of first air inlet, and quantity is preferably 8-12；The dielectric gas passes through
First air inlet cools down anode into the gas lumen, and enters the gas cavity by the second air inlet, right
Cathode is cooled down and forms air film protection in cathode surface, ionizes to be formed after plasma state through the contracting by cathode and anode
Spout passage sprays, and improves the service life of equipment anode and cathode, while reduce the heat that water cooling is taken out of.
According to some embodiments of the present invention, the anode outside diameter is 40-60mm, is preferably 50mm, length 70-
100mm, preferably 80mm, the material of the anode is preferably red copper.
According to some embodiments of the present invention, the scaling spout smallest passage sectional dimension is sprayed for the scaling of the anode
Mouth passage length 1:6-1：9, preferably 1:8；The scaling jet passage includes：The necking section and expansion segment being sequentially connected, wherein,
The inlet calibre of the necking section is 1 with the spout relative aperture of the expansion segment:1-1:3, preferably 1:2, the length of the necking section
Spend for 4-6mm, preferably 5mm, the inlet calibre of the necking section is 5-10mm, preferably 8mm.
The operation principle of spring arc striking type plasma burner of the present invention is：Using spring assembly, by once grasping
Make（Cathode is unclamped after pressing swap cathode）Realize Igniting pattern：Make spring-compressed by pressing cathode during the starting the arc, make anode and cathode
The distance between be zero, i.e., anode and cathode contact be powered, anode and cathode contact be powered after, remove external force make spring recover stretch-like
State, forms electric arc between anode and cathode, and dielectric gas reaches arc position by the runner between anode and cathode at this time, passes through electric arc electricity
From plasma is produced, sprayed by anode spout and complete the starting the arc, in ionization process, dielectric gas is adjusted by air inlet
Intake, that completes plasma burner stablizes burning, reduces the heat that anode water cold belt is walked, increases being averaged for plasma
Temperature, it is ensured that flame mean temperature is at 2500-3000 DEG C.
Embodiment 1：Dielectric gas is using argon gas as dielectric gas, and anode necking section inlet calibre is 5mm, and length is
4mm, expansion segment spout bore are 10mm, length 40mm, and scaling jet passage overall length is 44mm, and anode outside diameter is 50mm, long
To spend for 80mm, anode mounting portion internal diameter is 40mm, the long 15mm of internal thread, and the first air inlet is located at away from anode nozzle 45mm,
First air inlet bore is 10mm, and the second air inlet bore is 5mm, and quantity is 10, circumference uniform distribution, pitch diameter 45mm,
Isometrical section of outside diameter of cathode is 15mm, and length 150mm, cathodic discharge section is cone, and cone angle is 20 °, length 30mm,
Its length is 50mm, and gun body length is 300mm, and gun body outside diameter is 40mm, and spring pitch diameter is 22mm, line footpath 4mm.
Burner operation data of the present invention are as follows：Electric current 145-150A, voltage 55-60V, makes anode and cathode by spring
Electric arc is produced after contact, it is not necessary to which additional high pressure arc starter, anode and cathode are cooled down by dielectric gas, and service life is reachable
More than 35h, the temperature of plasma can be to 2850 DEG C, and gas consumption control is in 60L/min, in frequent Igniting pattern, after the starting the arc
Stabilization efficiency is 99%.
Jet passage dependency structure size is scaled by changing, can make the starting the arc unstable not in scope of design, it is difficult to adjust
Die opening is saved, easy current interruption, influences the normal operation of burner.
By changing spring sizes, not in scope of design spring can be made to be difficult to compress and stretch, seriously affect the starting the arc
Journey, causes the starting the arc unstable, easy current interruption, influences the normal operation of burner.
Inventor has found, spring arc striking type plasma burner according to the present invention, using spring arc-striking structure,
It can replace conventional high-tension starting the arc system-level device so that starting the arc mode is easier；And the present invention uses spring striking
Structure, passes through the research to device structure so that cooled cathode is more reasonable so that cathode service life increased；At the same time
The present invention uses spring arc-striking structure, and anode and cathode are cooled down by dielectric gas, reduces anode water cold belt and goes out
Heat, increase the mean temperature of plasma, improve burner uses power；In addition, the present invention is using rational cloudy
Anode construction and size are set, including the dependency structure of cathode construction and anode scaling jet passage, ensure starting the arc afterburner
Stable operation.
In the present invention, unless otherwise clearly defined and limited, the term such as term " connected ", " connection " should do broad sense reason
Solution, for example, it may be fixedly connected or be detachably connected, or integrally；Can be mechanical connection or electricity
Connection；It can be directly connected, can also be indirectly connected by intermediary, can be the connection inside two elements or two
The interaction relationship of element.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the description of the present invention, it is to be understood that the orientation or position of the instruction such as term " on ", " under ", "left", "right"
It is based on orientation shown in the drawings or position relationship to put relation, is for only for ease of the description present invention and simplifies description, rather than
Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore cannot
It is interpreted as limitation of the present invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms is not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
Combined in an appropriate manner in a or multiple embodiments or example.In addition, without conflicting with each other, the technology of this area
Different embodiments or example described in this specification and different embodiments or exemplary feature can be combined by personnel
And combination.
Although the embodiment of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification, meanwhile, for those of ordinary skill in the art, the think of according to the application
Think, in specific embodiments and applications there will be changes.
Claims (10)
- A kind of 1. spring arc striking type plasma burner, it is characterised in that including：Cathode, gun body, spring assembly and anode, its In,The cathode includes：Isometrical section and electric discharge section being connected with each other, described isometrical section in the horizontal direction through the gun body Inner cavity, and form circular passage with the inner cavity；The spring assembly is located at the inside of the gun body, including：Cathode baffle, spring and gun body block, wherein, the cathode In on described isometrical section of outer wall, the gun body block is arranged on the inner wall of the gun body baffle plate setting, and the spring is set Between the cathode baffle and gun body block, by controlling the decrement of the spring, the cathode and anode is controlled to carry out Contact and the starting the arc；The anode is connected with the gun body close to one end of the electric discharge section, and forms gas cavity with the electric discharge section.
- 2. plasma burner according to claim 1, it is characterised in that multiple gun body blocks along the circumferential direction between Every being arranged on the inner wall of the gun body, and positioned at the side of the cathode baffle.
- 3. plasma burner according to claim 1, it is characterised in that further include：Circular closure plate, the closure plate It is radially disposed at the other end of the gun body away from electric discharge section, and the outer wall of the closure plate and the inner thread phase of the gun body Even, the inner wall of the closure plate is connected with described isometrical section by sealing ring, for sealing the gun body.
- 4. plasma burner according to claim 1, it is characterised in that described isometrical section of inside is set in the horizontal direction It is equipped with cooling water through hole；Multiple footpaths being connected with the cooling water through hole are along the circumferential direction equipped with described isometrical section of outer wall To through hole.
- 5. plasma burner according to claim 4, it is characterised in that further include：Insulating layer, it is wrapped in described etc. The outside of footpath section, and one end of the insulating layer is located at the inside of the gun body block, and water outlet is provided with the insulating layer Hole, the apopore are connected with the circular passage and radial hole respectively, form chilled(cooling) water return (CWR).
- 6. plasma burner according to claim 5, it is characterised in that between the insulating layer and the gun body block With gap so that cooling water is flowed out through the gap, passes through the cooling water outlet set on the other end side wall of the gun body Discharge.
- 7. plasma burner according to claim 5, it is characterised in that the one of the close electric discharge section of the gun body End forms end part seal by seal and the insulating layer with the electric discharge section.
- 8. plasma burner according to claim 1, it is characterised in that one end of described isometrical section of remote electric discharge section Positioned at the outside of the gun body, for installing negative contact.
- 9. plasma burner according to claim 1, it is characterised in that the anode includes：Mounting portion and outlet portion, Wherein, one end of the mounting portion is connected by seal with the outer wall sealing of the gun body, the other end and the outlet portion phase Even；The inside of the outlet portion is horizontally disposed scaling jet passage, and the interior of the scaling jet passage is set It is equipped with the gas lumen being connected with the gas cavity.
- 10. plasma burner according to claim 9, it is characterised in that the side wall of the outlet portion is equipped with and institute The air inlet that gas lumen is connected is stated, for being passed through dielectric gas；The dielectric gas is by the gas lumen to anode Cooled down, and the gas cavity is entered by the air inlet, cathode is cooled down and forms air film in cathode surface Protection.
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| CN201711317879.2A CN107949140A (en) | 2017-12-12 | 2017-12-12 | A kind of spring arc striking type plasma burner |
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| CN201711317879.2A CN107949140A (en) | 2017-12-12 | 2017-12-12 | A kind of spring arc striking type plasma burner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110536532A (en) * | 2019-09-05 | 2019-12-03 | 河北宝炬新材料科技有限公司 | A kind of arc plasma generator |
| CN110545613A (en) * | 2019-09-05 | 2019-12-06 | 河北宝炬新材料科技有限公司 | arc plasma generator |
| CN112996211A (en) * | 2021-02-09 | 2021-06-18 | 重庆新离子环境科技有限公司 | Direct current arc plasma torch applied to hazardous waste treatment |
| CN113993264A (en) * | 2021-11-05 | 2022-01-28 | 北京环境特性研究所 | Plasma torch and cooling method thereof |
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2017
- 2017-12-12 CN CN201711317879.2A patent/CN107949140A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110536532A (en) * | 2019-09-05 | 2019-12-03 | 河北宝炬新材料科技有限公司 | A kind of arc plasma generator |
| CN110545613A (en) * | 2019-09-05 | 2019-12-06 | 河北宝炬新材料科技有限公司 | arc plasma generator |
| CN112996211A (en) * | 2021-02-09 | 2021-06-18 | 重庆新离子环境科技有限公司 | Direct current arc plasma torch applied to hazardous waste treatment |
| CN112996211B (en) * | 2021-02-09 | 2023-12-26 | 重庆新离子环境科技有限公司 | Direct-current arc plasma torch applied to hazardous waste treatment |
| CN113993264A (en) * | 2021-11-05 | 2022-01-28 | 北京环境特性研究所 | Plasma torch and cooling method thereof |
| CN113993264B (en) * | 2021-11-05 | 2023-11-14 | 北京环境特性研究所 | Plasma torch and cooling method thereof |
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