CN212585000U - Waterproof ignition device - Google Patents
Waterproof ignition device Download PDFInfo
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- CN212585000U CN212585000U CN202021192985.XU CN202021192985U CN212585000U CN 212585000 U CN212585000 U CN 212585000U CN 202021192985 U CN202021192985 U CN 202021192985U CN 212585000 U CN212585000 U CN 212585000U
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Abstract
The waterproof ignition device comprises a high-energy igniter, an ignition gun and a high-voltage wire part; the high-energy igniter is in a straight rod shape and is provided with an ignition end and an igniter wiring end; the ignition gun is in a straight tube shape and is provided with an air injection gun head and a gun barrel; the high-voltage wire part comprises a high-voltage wire and a high-voltage wire wiring terminal, wherein the high-energy igniter is arranged on the outer side of the ignition gun and arranged side by side with the ignition gun, the distance between the end part of the ignition end and the end part of the air gun head is-7-15 mm, one end of the gun barrel is communicated with the air gun head, the other end of the gun barrel is provided with an air inlet end, the air gun head is provided with a spraying end which is a conical surface and a body which is connected with the spraying end, a plurality of spraying holes are uniformly distributed on the surface of the spraying end, one end of the high-voltage wire is connected with the wiring terminal of.
Description
Technical Field
The utility model belongs to the technical field of industrial boiler combustor, concretely relates to waterproof ignition.
Background
With the market demand, meeting the national environmental protection requirement, the development of low-nitrogen burner (NOx less than 30mg/Nm3) is carried out, and FGR technology (through flue gas external circulation and internal circulation, air pre-treatment is carried out10-30% of flue gas at the tail part is extracted in front of the heat device to be mixed with air used for supplying fuel gas, the mixture is sent into the furnace through the combustor, and the combustion temperature and the oxygen concentration can be reduced by controlling the flame temperature, so that the emission of harmful substances such as NOx and the like is greatly reduced, wherein the NOx is less than 30mg/Nm3And meets the national first-line urban emission standard).
The application of the technology is accompanied by the defect that the generation of condensed water causes the generation of water vapor in the ignition gun, so that electric sparks are established in short circuit and are not successfully established at the electrode, and the success rate of establishing flame of the ignition gun is very low.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a high-energy waterproof ignition device which avoids the ignition failure of the ignition device caused by condensed water and influences the operation of a boiler system; the high-energy waterproof ignition device can generate high-energy electric sparks and solve the problem of ignition failure caused by water vapor in smoke.
The utility model provides a waterproof ignition device, which is characterized in that the device comprises a high-energy igniter, is in a straight rod shape and is provided with an ignition end and an igniter wiring end; the ignition gun is in a straight tube shape and is provided with an air injection gun head and a gun barrel; high-voltage wire part, including high-voltage wire, high-voltage wire wiring end, wherein, high energy point firearm setting is in the outside of burning torch, set up side by side with burning torch, the distance of burning torch tip and air gun head tip is-7 ~ 15mm, the one end and the air gun head intercommunication of barrel, the other end has the inlet end, the air gun head has the injection end that is the conical surface and the body of being connected with the injection end, a plurality of jet orifices evenly distributed are on the surface of injection end, high-voltage wire's one end is passed through high-voltage wire wiring end and is linked to each other with some firearm wiring end, the other end links to each other with the power supply.
The utility model provides an among the waterproof ignition device, can also have such characteristic: wherein, the high-energy igniter is positioned at the upper part of the ignition gun, one end of the high-energy igniter passes through the fixing ring, and the other end of the high-energy igniter is connected with the ignition gun through the fixing ring.
In addition, in the utility model provides a waterproof ignition device, can also have such characteristic: the igniter terminal comprises a connecting cap and an igniter electrode, the connecting cap is tubular and is provided with an external thread, and the igniter electrode is located at the bottom of the connecting cap and is provided with a protruding part.
In addition, in the utility model provides a waterproof ignition device, can also have such characteristic: wherein, the material of the ignition end adopts high-temperature alloy material.
In addition, in the utility model provides a waterproof ignition device, can also have such characteristic: wherein, the distance between the axis of the high-energy igniter and the axis of the ignition gun is 10-27 mm.
In addition, in the utility model provides a waterproof ignition device, can also have such characteristic: wherein, the angle of the conical surface of the injection end is 25-85 degrees, and a plurality of injection holes are uniformly arranged around the circumference of the conical surface.
In addition, in the utility model provides a waterproof ignition device, can also have such characteristic: the high-voltage wire terminal comprises a connecting sleeve, a high-voltage wire electrode end, a sealing spring, a sealing gasket, an O-shaped ring and a waterproof butyl high-voltage rubber insulating tape, the connecting sleeve is in a circular tube shape and is provided with an internal thread matched with the external thread of the connecting cap, a flange is arranged outside the high-voltage wire electrode end 32, and the sealing spring, the sealing gasket and the O-shaped ring are sequentially arranged on the high-voltage wire electrode end.
In addition, in the utility model provides a waterproof ignition device, can also have such characteristic: sealant is evenly coated on the joint thread of the connecting sleeve and the connecting cap, and the joint of the electrode end of the high-voltage wire is wrapped by 3-5 layers of waterproof butyl high-voltage rubber insulating tapes and then is subjected to heat sealing, so that water vapor is prevented from entering the inside of the high-voltage wire.
In addition, in the utility model provides a waterproof ignition device, can also have such characteristic: wherein, the distance between the end part of the ignition end and the end part of the air gun head is 8mm, and the axis of the air inlet end is vertical to the axis of the ignition gun.
Action and effect of the utility model
According to the utility model relates to a waterproof ignition device because adopt high energy point firearm, for the waterproof, breakable problem of ceramic ignition needle, waterproof high energy point firearm has more than solved waterproof problem, has also solved the success rate problem of igniteing, so, the utility model discloses a waterproof ignition device even in humid environment, also guarantees to normally establish the electric spark, avoids because the flue gas comdenstion water causes the short circuit to strike sparks, makes the electrode end establish the electric spark failure to the problem of the ignition failure who causes.
In addition, the diffusion angle gas ejected by the ignition gun, the gas component wraps the ignition end of the high-energy igniter, and the ejected gas can be uniformly mixed with combustion-supporting air, so that the ignition success rate is improved;
further, the relative position of the high-energy igniter and the ignition air gun ensures higher ignition success rate, so that the natural gas and combustion air reach the optimal mixing state at the electrode end.
Drawings
Fig. 1 is a schematic view of a waterproof ignition device in an embodiment of the present invention;
fig. 2 is a schematic view of an ignition gun according to an embodiment of the present invention;
FIG. 3 is a schematic view of the end position of the ignition gun and high energy igniter according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a jet gun head;
FIG. 5 is a view taken along line C of FIG. 4;
FIG. 6 is a schematic view of the high voltage lead wires connected to the terminals of the igniter;
fig. 7 is an enlarged schematic view of a portion D in fig. 6.
Detailed Description
In order to make the technical means, creation characteristics, achievement purpose and efficacy of the utility model easy to understand and understand, the following embodiments are combined with the accompanying drawings to specifically describe the waterproof ignition device of the utility model.
Examples
As shown in fig. 1, the waterproof ignition device includes a high-energy igniter 10, an ignition gun 20, a high-voltage wire member 30, a fixing ring 41, and a fixing sleeve 42.
The high energy igniter 10 is in the form of a straight rod having a firing end 11 and an igniter terminal.
As shown in fig. 7, the igniter terminal includes a connecting cap 12, an igniter electrode 13.
The connection cap 12 is tubular with an external thread, and the igniter electrode 13 is located at the bottom of the connection cap 12 with a projection.
The material of the ignition end 11 adopts 2520 high-temperature alloy material, and the diameter of the high-energy igniter 10 has three specifications which are phi 12/16/18 respectively. In an embodiment, the high energy igniter 10 has a diameter Φ 16.
The high-energy igniter 10 can ensure that the ignition end 11 is placed in water, and also ensures that electric sparks can be normally established, so that the problem that the electric sparks are failed to be established at the ignition end 11 due to short circuit ignition caused by smoke condensate water is avoided, and the problem of ignition failure caused by the fact that the ceramic ignition needle is not waterproof and fragile is solved.
As shown in fig. 2, the ignition gun 20 is in the form of a straight tube having an air-jet tip 21 and a barrel 22.
The high energy igniter 10 is disposed outside the ignition gun 20, is disposed side by side with the ignition gun 20, and is connected thereto through a connector.
As shown in fig. 1, the high-energy igniter 10 is located at the upper part of the burning torch 20, and one end of the high-energy igniter 10 is connected with the burning torch 20 through a fixing ring 41 and the other end is connected with the fixing ring 42.
The distance a1 between the ignition end 11 and the end of the air-jet gun head 21 is-7-15 mm, and the distance b1 between the axis of the high-energy igniter 10 and the axis of the ignition gun 20 is 10-27 mm.
In the embodiment, as shown in fig. 3, the ignition tip 11 extends out of the end of the torch head 21, the distance a1 between the end of the ignition tip 11 and the end of the torch head 21 is 8mm, and the distance b1 between the axis of the high-energy igniter 10 and the axis of the ignition gun 20 is 20 mm.
As shown in fig. 4 and 5, the lance head 21 has a lance end 211 and a body 212 connected to the lance end 211. The plurality of injection holes 213 are uniformly distributed on the surface of the injection end 211. In this embodiment, the injection end 211 is a cone, the angle of the conical surface of the injection end 211 is 25-85 degrees, and the plurality of injection holes 213 are uniformly arranged around the circumference of the conical surface, and in this embodiment, the number of the injection holes 213 is 6, and the uniform arrangement can also be understood as equal intervals. The included angle beta between the injection hole 213 and the axis is 60 degrees, the caliber of the fuel gas inlet 214 is 13mm, and the diameter of the injection hole 213 is 2-5 mm.
The barrel 22 communicates at one end with the airgun head 21 and at the other end has an air inlet end, the axis of which is perpendicular to the axis of the barrel 22.
The structure in this embodiment is arranged such that flame is ejected outwards through the ejection holes 213, the outward ejection is centered on the central axis of the multi-hole spray gun head, gas is ejected outwards around the circumference to form a circular ejection area, and the diffusion angle gas ejected from the ignition gun 20 causes the gas component to wrap the ignition end 11 of the high-energy igniter 10, thereby providing an ignition success rate.
As shown in fig. 6 and 7, the high voltage wire member 30 includes a high voltage wire and a high voltage wire terminal.
The high-voltage lead terminal comprises a connecting sleeve 31, a high-voltage lead electrode end 32, a sealing spring 33, a sealing gasket 34, an O-shaped ring 35 and a waterproof butyl high-voltage rubber insulating tape A.
The connecting sleeve 31 is in a circular tube shape and is provided with an internal thread matched with the external thread of the connecting cap 12,
the outer edge of the high-voltage lead electrode end 32 is provided with a flange, and a sealing spring 33, a sealing gasket 34 and an O-shaped ring 35 are sequentially arranged on the high-voltage lead electrode end 32.
One end of the high-voltage wire is connected to the high-voltage wire electrode 32, and the other end is connected to the power supply terminal.
As shown in fig. 7, the high voltage wire terminal is connected to the igniter terminal, and when the connecting sleeve 31 is screwed to the connecting cap 12, the high voltage wire electrode terminal 32 is connected to and conducted with the protrusion of the igniter electrode 13.
Wherein, the joint thread of the connecting sleeve 31 and the connecting cap 12 is evenly coated with sealant for double sealing protection; and the joint of the electrode end of the high-voltage wire is wrapped by a waterproof butyl high-voltage rubber insulating tape A for 3-5 layers and then is subjected to heat sealing, so that water vapor is prevented from entering the inside of the high-voltage wire.
Effects and effects of the embodiments
According to the waterproof ignition device that this embodiment is related to, because adopt the high energy point firearm, for ceramic ignition needle waterproof, breakable problem, waterproof high energy point firearm has more than solved waterproof problem, has also solved the success rate problem of igniteing, so, the utility model discloses a waterproof ignition device even in humid environment, also guarantees to normally establish the electric spark, avoids because the flue gas comdenstion water causes the short circuit to strike sparks, makes the electrode end establish the electric spark failure to the problem of the ignition failure that causes.
In addition, the diffusion angle gas ejected by the ignition gun, the gas component wraps the ignition end of the high-energy igniter, and the ejected gas can be uniformly mixed with combustion-supporting air, so that the ignition success rate is improved;
further, the relative position of the high-energy igniter and the ignition air gun ensures higher ignition success rate, so that the natural gas and combustion air reach the optimal mixing state at the electrode end.
Furthermore, the sealing connected between the high-voltage lead and the high-energy igniter avoids water vapor entering between a high-voltage lead cap and an igniter joint, avoids the defect of the high-voltage lead cap, and solves the problem of short circuit of the high-voltage lead and the igniter due to the water vapor; the junction of the electrode end of the high-energy lead also prevents water vapor from entering the high-voltage lead, and the problem of short circuit caused by condensed water vapor is solved.
Furthermore, the waterproof ignition device of the embodiment has small installation space and is more suitable for an integrated small-sized burner.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (9)
1. A waterproof ignition device, comprising:
the high-energy igniter is in a straight rod shape and is provided with an ignition end and an igniter wiring end;
the ignition gun is in a straight tube shape and is provided with an air injection gun head and a gun barrel;
the high-voltage lead component comprises a high-voltage lead and a high-voltage lead terminal,
wherein the high-energy igniter is arranged at the outer side of the ignition gun and is arranged side by side with the ignition gun,
the distance between the end part of the ignition end and the end part of the air gun head is-7-15 mm,
one end of the gun barrel is communicated with the air gun head, the other end of the gun barrel is provided with an air inlet end,
the air-jet gun head is provided with a conical injection end and a body connected with the injection end, a plurality of injection holes are uniformly distributed on the surface of the injection end,
one end of the high-voltage wire is connected with the wiring end of the igniter through the wiring end of the high-voltage wire, and the other end of the high-voltage wire is connected with the power supply end.
2. The waterproof ignition device of claim 1, wherein:
the high-energy igniter is positioned at the upper part of the ignition gun, one end of the high-energy igniter passes through the fixing ring, and the other end of the high-energy igniter is connected with the ignition gun through the fixing ring.
3. The waterproof ignition device of claim 1, wherein:
wherein the igniter terminal includes a connecting cap, an igniter electrode,
the connecting cap is tubular and has external threads, and the igniter electrode is located at the bottom of the connecting cap and has a protrusion.
4. The waterproof ignition device of claim 1, wherein:
wherein, the material of the ignition end adopts high-temperature alloy material.
5. The waterproof ignition device of claim 1, wherein:
wherein the distance between the axis of the high-energy igniter and the axis of the ignition gun is 10-27 mm.
6. The waterproof ignition device of claim 1, wherein:
wherein the angle of the conical surface of the injection end is 25-85 degrees,
the plurality of injection holes are uniformly arranged around the circumference of the conical surface.
7. The waterproof ignition device of claim 3, wherein:
wherein the high-voltage lead wiring terminal comprises a connecting sleeve, a high-voltage lead electrode terminal, a sealing spring, a sealing gasket, an O-shaped ring and a waterproof butyl high-voltage rubber insulating tape,
the connecting sleeve is in a circular tube shape and is provided with an internal thread matched with the external thread of the connecting cap,
the high-voltage wire electrode is characterized in that a flange is arranged outside the high-voltage wire electrode end, and the sealing spring, the sealing gasket and the O-shaped ring are sequentially arranged on the high-voltage wire electrode end.
8. The waterproof ignition device of claim 7, wherein:
wherein the connecting sleeve and the connecting cap joint are evenly coated with sealant at the thread,
and the joint of the electrode end of the high-voltage wire is wrapped by 3-5 layers of waterproof butyl high-voltage rubber insulating tapes and then is subjected to heat sealing, so that water vapor is prevented from entering the inside of the high-voltage wire.
9. The waterproof ignition device of claim 1, wherein:
the distance between the end part of the ignition end and the end part of the air gun head is 8mm, and the axis of the air inlet end is perpendicular to the axis of the ignition gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021192985.XU CN212585000U (en) | 2020-06-24 | 2020-06-24 | Waterproof ignition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021192985.XU CN212585000U (en) | 2020-06-24 | 2020-06-24 | Waterproof ignition device |
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| Publication Number | Publication Date |
|---|---|
| CN212585000U true CN212585000U (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021192985.XU Active CN212585000U (en) | 2020-06-24 | 2020-06-24 | Waterproof ignition device |
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| CN (1) | CN212585000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608030A (en) * | 2022-03-17 | 2022-06-10 | 江西星火军工工业有限公司 | Double-safety timing ignition mechanism |
-
2020
- 2020-06-24 CN CN202021192985.XU patent/CN212585000U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608030A (en) * | 2022-03-17 | 2022-06-10 | 江西星火军工工业有限公司 | Double-safety timing ignition mechanism |
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