CN202117643U - Novel ignition device - Google Patents
Novel ignition device Download PDFInfo
- Publication number
- CN202117643U CN202117643U CN2011201646520U CN201120164652U CN202117643U CN 202117643 U CN202117643 U CN 202117643U CN 2011201646520 U CN2011201646520 U CN 2011201646520U CN 201120164652 U CN201120164652 U CN 201120164652U CN 202117643 U CN202117643 U CN 202117643U
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- ignition
- igniter
- core pipe
- ignition device
- sealing ring
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Abstract
The utility model discloses a novel ignition device, which comprises a primary ignition device (16), a secondary ignition device (17) and a connecting pipe (8). The primary ignition device (16) is connected with the secondary ignition device (17) by the connecting pipe (8), the primary ignition device (16) consists of a first core barrel (1), an ignition charge column (2), an ignition piece (3) and ignition charge (4), the ignition charge column (2) and the ignition piece (3) are mounted inside the first core barrel (1), the ignition charge (4) is mounted inside the ignition piece (3), and the secondary ignition device (17) comprises a second core barrel (9) and a flame propagation structure (15) mounted in the second core barrel (9). The ignition device can effectively realize technology of multilayer multi-pulse high-energy gas fracture with thick layers and high charge amount, ignition time among oil layers is prolonged by the aid of the ignition structure, and the problem of construction technique of multilayer fracturing by one-time descending is solved effectively.
Description
Technical field
The utility model relates to igniter, the igniter of particularly in petroleum perforation, gas fracturing, lighting a fire.
Background technology
The sparking mode of using in perforation, the gas fracturing processes such as oil and coal gas layer at present mainly contains: ignition structures such as detonator igniting, igniter head, igniter.Widely used High-Energy Gas Fracturing Technology is not also widely applied in oil at multilayer, thick-layer, gas, the water well drilling in the oil exploitation process, and one of them main cause is the development that sparking mode has limited construction technology.
The utility model content
In view of this, a kind of igniter of the utility model is applicable to the gas fracturing construction in oil and the coal gas layer recovery process.This igniter has realized the multiple-pulse High-Energy Gas Fracturing Technology of multilayer, the big dose of thick-layer effectively, through this igniter, has prolonged the duration of ignition between oil reservoir and the oil reservoir, has solved the construction technology of the multiple fracturing of once going into the well well.
A kind of igniter comprises one-level igniter, two-stage ignition device and tube connector, and said one-level igniter is connected through tube connector with the two-stage ignition device; Said one-level igniter comprises: core pipe one, igniting powder column, ignition body, ignition charge, and wherein light a fire powder column and ignition body are installed in the core pipe one, mounting points gunpowder in the ignition body; Said two-stage ignition device comprises core pipe two and the biography fire structure that is installed in core Guan Erzhong; Igniting powder column in the core pipe one is lighted the high temperature and high pressure gas of back generation the ignition charge in the ignition body is lighted, and the high temperature and high pressure gas that the ignition charge burning produces is lighted through core pipe two and passed fiery structure.
Said one-level igniter also comprises sealing ring one, and sealing ring one is installed between core pipe one and the ignition body, rushes down outside the high temperature and high pressure gas that the powder column that prevents to light a fire produces when core pipe one internal combustion; Said two-stage ignition device comprises sealing ring two, and sealing ring two is mounted between core pipe two and the tube connector, and said one-level igniter comprises sealing ring three, and sealing ring three is mounted between core pipe one and the tube connector.
Said one-level igniter also comprises jam, is bonded on the end face of ignition body; Jam is moistureproof combustible material; After the ignition charge burning, the high temperature and high pressure gas of generation presses off jam, lights through core Guan Erzhong and passes fiery structure.
The endoporus of core pipe one tail end has internal thread, is threaded with ignition body; Core pipe one tail end has external screw thread, is threaded with tube connector.
The endoporus of described tube connector is processed into has baffle ring, and baffle ring plays a supportive role to ignition body, prevents that ignition body from being washed away by the high-temperature high-pressure air flow that the powder column burning of lighting a fire produces; The high temperature and high pressure gas that the ignition charge burning produces can will pass fiery structure through the centre bore entering core pipe two of tube connector and light, and baffle ring plays barrier effect to ignition body, prevents that ignition body from being washed away by high-temperature high-pressure air flow.
One end of ignition body is thin-wall tube-shaped, and the high temperature and high pressure gas that the igniting powder column produces when core Guan Yizhong burns is lighted the ignition charge in the ignition body through thin-wall tube-shaped conduction of heat.
Said igniter is used in the gas fracture bomb.This igniter material therefor is cheap, processing technology is simple; Safe and reliable, convenient to operation, easy to carry, transportation safety.Having improved existing high energy gas presses bullet to adopt too fast, the ablation important disadvantages of flash hole fire transmission rate.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the igniter sketch map among the utility model embodiment;
Fig. 2 is core pipe one structural representation among the utility model embodiment;
Fig. 3 is the ignition body structural representation among the utility model embodiment;
Fig. 4 is the jam structural representation among the utility model embodiment;
Fig. 5 is the tube connector structural representation among the utility model embodiment;
Fig. 6 is core pipe two structural representations among the utility model embodiment.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer; To combine the accompanying drawing among the embodiment below; Technical scheme among the embodiment is carried out clear, intactly description; Obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, the ability those of ordinary skill is not being made the every other embodiment that is obtained under the creative work prerequisite, all belongs to the scope of the utility model protection.
A kind of igniter as shown in Figure 1 comprises one-level igniter 16, two-stage ignition device 17 and tube connector 8, and said one-level igniter 16 is connected through tube connector 8 with two-stage ignition device 17; Said one-level igniter 16 comprises: core pipe 1, igniting powder column 2, ignition body 3, ignition charge 4, and the powder column 2 of wherein lighting a fire is installed in the core pipe 1 with ignition body 3, mounting points gunpowder 4 in the ignition body 3; Said two-stage ignition device 17 comprises core pipe 29 and the biography fire structure 15 that is installed in the core pipe 29;
One-level igniter 16 also comprises sealing ring 1, and sealing ring 1 is installed between core pipe 1 and the ignition body 3, rushes down outside the high temperature and high pressure gas that the powder column 2 that prevents to light a fire produces when core pipe one 1 internal combustion; Said one-level igniter 16 comprises sealing ring 3 14, and sealing ring 3 14 is mounted between core pipe 1 and the tube connector 8;
Said two-stage ignition device 17 is drawn together sealing ring 27, and sealing ring 27 is mounted between core pipe 29 and the tube connector 8.
After being lighted, igniting powder column 2 in the core pipe 1 can produce the great amount of high-temperature gases at high pressure; This high-temperature gas passes conduction of heat can be lighted the ignition charge 4 in the ignition body 3; The high temperature and high pressure gas that ignition charge 4 burnings produce presses off jam 6 can be through the endoporus ejection of tube connector 8; Light the biography fire structure 15 in the core pipe 29, thereby realize the combustion process of ignition structure.The effect of sealing ring 1 is the high-temperature gas leakages that prevent that ignition charge pin deck combustion back from producing, and the effect of sealing ring 27, sealing ring 3 14 is to prevent that the liquid in the well from getting in core pipe 1 and the core pipe 29.
One-level igniter 16 also comprises jam 6, is bonded on the end face of ignition body 3;
Of Fig. 4, jam 6 is moistureproof combustible material; After ignition charge 4 burnings, the high temperature and high pressure gas of generation presses off jam 6, passes fiery structure 15 through lighting in the core pipe 29.
Of Fig. 2, the endoporus of core pipe one 1 tail ends has internal thread, is threaded with ignition body 3; Core pipe one 1 tail ends have external screw thread, are threaded with tube connector 8.
Of Fig. 5, the endoporus of tube connector 8 is processed into has baffle ring 13, and 13 pairs of ignition body 3 of baffle ring play a supportive role, and have improved the be threaded intensity of ignition body 3 with core pipe 1, prevents that ignition body 3 from being washed away by the high-temperature high-pressure air flow that 2 burnings of igniting powder column produce; The high temperature and high pressure gas that ignition charge 4 burnings produce can will pass fiery structure 15 through the centre bore entering core pipe 29 of tube connector 8 and light.
Of Fig. 3, an end of ignition body 3 is thin-wall tube-shaped 12, and the high temperature and high pressure gas of generation was lighted the ignition charge in the ignition body 34 through thin-wall tube-shaped 12 conduction of heat when igniting powder column 2 burn in core pipe 1.
Of Fig. 6, core pipe 29 left ends have external screw thread, are threaded with tube connector 8.
Said igniter is used in the gas fracture bomb.
The above only is the specific embodiment of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (6)
1. an igniter comprises one-level igniter (16), two-stage ignition device (17) and tube connector (8), it is characterized in that:
Said one-level igniter (16) is connected through tube connector (8) with two-stage ignition device (17); Said one-level igniter (16) comprising: core pipe one (1), igniting powder column (2), ignition body (3), ignition charge (4), and wherein light a fire powder column (2) and ignition body (3) are installed in the core pipe one (1) the interior mounting points gunpowder of ignition body (3) (4); Said two-stage ignition device (17) comprises core pipe two (9) and is installed in the biography fire structure (15) in the core pipe two (9).
2. igniter according to claim 1 is characterized in that said one-level igniter (16) also comprises sealing ring one (5), and sealing ring one (5) is installed between core pipe one (1) and the ignition body (3);
Said one-level igniter (16) comprises sealing ring three (14), and sealing ring three (14) is installed between core pipe one (1) and the tube connector (8);
Said two-stage ignition device (17) comprises sealing ring two (7), and sealing ring two (7) is installed between core pipe two (9) and the tube connector (8).
3. igniter according to claim 1 is characterized in that said one-level igniter (16) also comprises jam (6), is bonded on the end face of ignition body (3); Jam (6) is moistureproof combustible material.
4. like the said igniter of claim 2, it is characterized in that the endoporus of core pipe one (1) tail end has internal thread, adopt thread connecting mode to be connected with ignition body (3); Core pipe one (1) tail end has external screw thread, adopts thread connecting mode to be connected with tube connector (8).
5. igniter according to claim 1 is characterized in that the endoporus of described tube connector (8) has baffle ring (13).
6. like the said igniter of claim 2, it is characterized in that an end of ignition body (3) is thin-wall tube-shaped (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201646520U CN202117643U (en) | 2011-05-23 | 2011-05-23 | Novel ignition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201646520U CN202117643U (en) | 2011-05-23 | 2011-05-23 | Novel ignition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202117643U true CN202117643U (en) | 2012-01-18 |
Family
ID=45458716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201646520U Expired - Fee Related CN202117643U (en) | 2011-05-23 | 2011-05-23 | Novel ignition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202117643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855384A (en) * | 2019-11-27 | 2021-05-28 | 西安航天动力研究所 | Light, high-power and rich particle gunpowder ignition device |
-
2011
- 2011-05-23 CN CN2011201646520U patent/CN202117643U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855384A (en) * | 2019-11-27 | 2021-05-28 | 西安航天动力研究所 | Light, high-power and rich particle gunpowder ignition device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20140523 |