CN217274255U - Ignition device and ignition gun - Google Patents
Ignition device and ignition gun Download PDFInfo
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- CN217274255U CN217274255U CN202220503615.6U CN202220503615U CN217274255U CN 217274255 U CN217274255 U CN 217274255U CN 202220503615 U CN202220503615 U CN 202220503615U CN 217274255 U CN217274255 U CN 217274255U
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Abstract
The utility model relates to a high energy ignition field discloses an ignition and ignition gun, ignition includes central electrode (10), negative plate (20) and a plurality of run-on ring (30), and is a plurality of the run-on ring (30) is located with the cover at mutual interval each other central electrode (10) are anterior, negative plate (20) are on a parallel with central electrode (10) set up to relative run-on ring (30) have the clearance, run-on ring (30) set up to producing the electric arc spark in this clearance. Through the technical scheme, the arc striking rings arranged on the central electrode trigger discharge when being electrified, and a plurality of arc sparks are generated between the arc striking rings and the negative plate, so that the success rate of ignition is greatly improved.
Description
Technical Field
The utility model relates to a high energy field of igniteing specifically relates to an ignition and burning torch.
Background
The burner of the heating furnace for processing the coal-to-liquids oil products adopts a three-stage ignition automatic ignition mode, namely, a high-energy ignition device ignites an pilot burner, and the pilot burner is ignited by the pilot burner. The high-energy ignition device consists of a high-energy igniter, an ignition cable and an ignition electrode. The heating furnace has the advantages of more burners, compact structure, limited position and incapability of installing ignition electrode thrusters. In the prior art, the central electrode of the igniter electrode is made of a T2 copper wire, and the central electrode is easy to generate hydrogen embrittlement when used in a high-temperature environment of more than 370 ℃ and a reducing medium containing hydrogen for a long time, commonly called 'hydrogen disease', and the central electrode is easy to break and fall off, so that the ignition electrode is not ignited. After ignition, an igniter used by a worker is difficult to withdraw from the furnace, the head ignition end is burned in the environment with the temperature of 1000 ℃ in the furnace for a long time, a semiconductor glaze layer on the surface of ceramic can be oxidized and fall off, the breakdown voltage is increased to be more than 2400VDC, the ignition electrode of the igniter can be prevented from being ignited, the head ignition end of the igniter is frequently burned out due to long-term high-temperature burning, the service life of the igniter is shortened, the loss is high, and the safe operation of the heating furnace is easily influenced during use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that the some firearm that prior art exists is difficult for striking sparks in the heating furnace, providing an ignition and burning torch.
In order to achieve the above object, an aspect of the present invention provides an ignition device, the ignition device includes a center electrode, a negative plate and a plurality of arc rings, and is a plurality of the arc rings are mutually spaced and sleeved at the front portion of the center electrode, the negative plate is parallel to the center electrode and is set to be relative the arc rings have a gap, the arc rings are set to be capable of generating arc sparks in the gap.
Preferably, the arc ignition ring is disc-shaped, and a plurality of the arc ignition rings are uniformly spaced from each other and welded to the center electrode.
Preferably, the gap between the arc striking ring and the negative plate is 2-3 mm.
Preferably, the center electrode and the arc ignition ring are made of nickel-based alloy, and the negative plate is made of 2520 stainless steel.
Preferably, the ignition device comprises an insulating ring, and the insulating ring is sleeved on the central electrode and is connected with the arc ignition ring positioned at the front end of the central electrode.
Preferably, the number of the arc ignition rings is n1, wherein n1 is L1/5+1, and L1 is the length of the central electrode extending out of the insulation ring.
Preferably, the ignition device further comprises a shell, the negative plate is welded to the front end of the shell, and the shell is made of hastelloy HC 276.
Preferably, the ignition device comprises a plurality of support rings, the support rings are connected with each other, and the support ring at the foremost end is connected with the insulation ring, wherein the number of the support rings is n2, n2 is L2/10, and L2 is the length of the housing.
Preferably, the insulating ring and the support ring are made of ceramic.
The utility model discloses another aspect provides a burning torch, burning torch includes barral of a gun and foretell ignition, wherein, the barral of a gun weld in ignition, the barral of a gun is hastelloy HC 276.
Through the technical scheme, the arc striking rings arranged on the central electrode trigger discharge when being electrified, and a plurality of arc sparks are generated between the arc striking rings and the negative plate, so that the success rate of ignition is greatly improved.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
Fig. 1 is a schematic structural diagram of the ignition device of the present invention.
Description of the reference numerals
10-center electrode, 20-negative plate, 30-arc striking ring, 40-insulating ring, 50-support ring and 60-shell.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
It should be noted that, in the present invention, the directions or positional relationships indicated by the directional terms such as "front" and "rear" are corresponding to the directions or positional relationships actually used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate that the device to be referred must have a specific direction, be constructed in a specific direction and be operated, and thus, should not be construed as limiting the present invention.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
An aspect of the present invention provides an ignition device, as shown in fig. 1, the ignition device includes a center electrode 10, a negative plate 20 and a plurality of arc rings 30, and is a plurality of the arc rings 30 are mutually spaced and are sleeved on the front portion of the center electrode 10, the negative plate 20 is parallel to the center electrode 10 and is set to be relative the arc rings 30 have a gap, the arc rings 30 are set to be able to generate arc sparks in the gap.
For the sake of understanding, the front portion of the center electrode 10 is referred to herein as the right end of the center electrode 10 in the ignition device shown in fig. 1. The utility model discloses in, center electrode 10 is anodal, and the cover is established center electrode 10 is last run-on ring 30 is anodal, circular telegram back run-on ring 30 with clearance production arc spark between negative plate 20, alright do ignition device ignites. The arc striking rings 30 are triggered to discharge when being electrified, and a plurality of arc sparks are generated between the arc striking rings and the negative plate 20, so that the ignition success rate is greatly improved.
Specifically, the arc ignition ring 30 is disc-shaped, wherein one circle of the disc shape has a sharp angle of 30 degrees, and after the power is turned on, ignition is easier in a gap between the butterfly-shaped arc ignition ring 30 and the negative electrode plate 20. The plurality of arc ignition rings 30 are uniformly spaced from each other and welded to the central electrode 10, and preferably, the plurality of arc ignition rings 30 are welded to the central electrode 10 through argon arc welding, so that the welding spots are prevented from being oxidized, and the service life of the arc ignition rings is prolonged.
Wherein, the gap between the arc striking ring 30 and the negative plate 20 is 2-3 mm. This distance is closer to the distance between the central electrode 10 (positive electrode) and the negative electrode plate, and the air between the arc ignition rings 30 and the negative electrode 20 is broken down by high voltage ions, so that a plurality of discharge arcs are generated, and the success rate of ignition is improved.
The utility model discloses an in an embodiment, center electrode 10 with the material of arc ignition ring 30 is nickel base alloy, negative plate 20 material is 2520 stainless steel, has improved ignition electrode 10 with the whole high temperature resistance of negative plate 20 guarantees that the positive negative pole of igniteing can use in 1000 ℃ high temperature environment for a long time.
In order to enable the central electrode 10 to have higher strength and certain oxidation and corrosion resistance, preferably, the central electrode 10 and the arc striking ring 30 adopt nichrome 800HT, so that the problem that the ignition electrode in the existing igniter is easily hydrogen-brittle when using T2 copper wire in a high-temperature environment of more than 370 ℃ and a reducing medium containing hydrogen for a long time is solved, and the problem that the conventional semiconductor glaze layer is oxidized and falls off to cause no ignition in long-time high-temperature ignition is also solved.
In addition, the ignition device includes an insulating ring 40, and the insulating ring 40 is sleeved on the central electrode 10 and is connected with the arc striking ring 30 positioned at the front end of the central electrode 10, so as to prevent the central electrode 10 and the negative electrode plate 20 from being short-circuited and conducted.
In one embodiment, the number of the arc ignition rings 30 is n1, and n1 is an integer, where n1 is L1/5+1, where L1 is the length of the center electrode 10 extending out of the insulation ring 40.
In order to enable the ignition device to be used at 1000 ℃ for a long time and not to need cooling air, the ignition device further comprises a shell 60, the negative plate 20 is welded at the front end of the shell body of the shell 60, and the shell 60 is made of Hastelloy HC276 with high temperature resistance and corrosion resistance, so that the reliability of the ignition device is improved, and the safe operation of a heating furnace in use is ensured.
In addition, the ignition device includes a plurality of support rings 50, the support rings 50 are connected to each other, and the support ring 50 located at the foremost end is connected to the insulating ring 40 to provide support for the insulating ring 40 and the center electrode 10. For ease of understanding, the support ring 50 described herein as being at the forward most end is the support ring 50 at the right most end of the ignitor device shown in fig. 1.
The number of the support rings 50 is n2, n2 is an integer, where n2 is L2/10, and L2 is the length of the housing 60.
In order to provide good insulation and heat resistance between the insulating ring and the support ring, the insulating ring 40 and the support ring 50 are made of ceramic.
The utility model discloses ignition realizes like this that the ignition ignites: the central electrode 10 is a positive electrode, the plurality of arc ignition rings 30 connected with the central electrode 10 are positive electrodes, the negative plate 20 is a negative electrode, when the plasma torch is used, the central electrode 10 and the negative plate 20 are loaded with voltage larger than or equal to 5000VAC through a high-voltage igniter, air between the plurality of arc ignition rings 30 and the negative plate 20 is broken down by high-voltage ions, a plurality of discharge arcs are generated, the plurality of arcs are ignited together, and the success rate of ignition is greatly improved.
The utility model discloses another aspect provides an ignition gun, ignition gun includes barral of a gun and foretell ignition, wherein, the barral of a gun weld in ignition, the barral of a gun is hastelloy HC 276.
Specifically, a gun rod is made of Hastelloy HC276 with good corrosion resistance and thermal stability, and the ignition device is fixed on the gun rod through argon arc welding, so that the service life of the ignition gun is prevented from being influenced by welding point oxidation.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (10)
1. An ignition device, characterized in that it comprises a central electrode (10), a negative plate (20) and a plurality of arc ignition rings (30), the plurality of arc ignition rings (30) being fitted around the front portion of the central electrode (10) at intervals to each other, the negative plate (20) being parallel to the central electrode (10) and being arranged with a gap with respect to the arc ignition rings (30), the arc ignition rings (30) being arranged so as to be able to generate an arc spark in the gap.
2. An ignition device according to claim 1, characterized in that said ignition ring (30) is disc-shaped, a plurality of said ignition rings (30) being evenly spaced from each other and welded to said center electrode (10).
3. An ignition device according to claim 2, characterized in that the gap between the ignition ring (30) and the negative plate (20) is 2-3 mm.
4. An ignition device according to any one of claims 1 to 3, characterized in that the material of the central electrode (10) and the arc ignition ring (30) is a nickel-based alloy, and the material of the negative electrode plate (20) is 2520 stainless steel.
5. The ignition device according to claim 1, characterized in that it comprises an insulating ring (40), said insulating ring (40) being fitted over said central electrode (10) and being connected to said arc ignition ring (30) at the front end of said central electrode (10).
6. Ignition device according to claim 5, characterized in that the number of ignition rings (30) is n1, where n1 is L1/5+1, where L1 is the length of the central electrode (10) protruding beyond the insulating ring (40).
7. The ignition device according to claim 5, further comprising an outer shell (60), wherein the negative electrode plate (20) is welded to a case front end of the outer shell (60), and the outer shell (60) is made of Hastelloy HC 276.
8. Ignition device according to claim 7, characterized in that the ignition device comprises a plurality of support rings (50), the support rings (50) are connected with each other, and the support ring (50) at the foremost end is connected with the insulation ring (40), wherein the number of support rings (50) is n2, wherein n2 is L2/10, and L2 is the length of the housing (60).
9. Ignition device according to claim 8, characterized in that the insulating ring (40) and the support ring (50) are made of ceramic.
10. An ignition gun, characterized in that it comprises a gun shaft and an ignition device according to any one of claims 1-9, wherein said gun shaft is welded to said ignition device, said gun shaft being hastelloy HC 276.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220503615.6U CN217274255U (en) | 2022-03-09 | 2022-03-09 | Ignition device and ignition gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220503615.6U CN217274255U (en) | 2022-03-09 | 2022-03-09 | Ignition device and ignition gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217274255U true CN217274255U (en) | 2022-08-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220503615.6U Active CN217274255U (en) | 2022-03-09 | 2022-03-09 | Ignition device and ignition gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217274255U (en) |
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2022
- 2022-03-09 CN CN202220503615.6U patent/CN217274255U/en active Active
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