CN1043562A - Industrial detonator using no priming charge - Google Patents
Industrial detonator using no priming charge Download PDFInfo
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- CN1043562A CN1043562A CN 88108549 CN88108549A CN1043562A CN 1043562 A CN1043562 A CN 1043562A CN 88108549 CN88108549 CN 88108549 CN 88108549 A CN88108549 A CN 88108549A CN 1043562 A CN1043562 A CN 1043562A
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Abstract
A kind of industrial detonator using no priming charge, be characterized on sending out powder charge, buckling a strengthening cap along the quilt of detonator bottom filling, it can guarantee at detonation element and be sent out the cavity that forms a fixed volume region between the powder charge, thereby the formed film flying in detonator bottom impacts at high speed via the flash hole of strengthening cap and sent out a powder charge this detonator that detonates during ignition.
The present invention adopts strengthening cap to replace paper washer of the prior art, has solved the difficult problem of paper washer filling process aspect, as long as make general factory utilize traditional detonator production process equipment, just can drop into suitability for industrialized production.
Description
The invention belongs to initiating equipment, especially belong to a kind of industrial detonator without priming.
The patent documentation of many relevant nonpriming material detonators is disclosed in recent years, both at home and abroad.
In September, 1976, No. the 3978791st, laid-open U.S. Patents, disclosed a kind of flying-piece auget without detonating agent.It is with the bridge silk of the little electric current of low-voltage by minor diameter, make the heating of bridge silk, cause the auxiliary main powder charge detonation of sending out, the gas pressure that detonation produced is cut off metal garden sheet core, advance downwards along cavity, sent out powder charge so that very high velocity shock is auxiliary, thereby caused the detonation of being sent out powder charge.This detonator security performance is good, but the structural manufacturing process complexity is not suitable for suitability for industrialized production.
No. the 87106394th, the Chinese patent of Huainan Mining Industry College's application on July 22nd, 1987, disclosed a kind of " simple flying-piece auget without detonating agent ", it is to have one to be fastened on the detonation element that the pyrophoric body in the pipe constitutes by the sealing-plug that is provided with on interior pipe, the high explosive that plays initiation and the inner tube opening end in the shell aperture end, the upper end of sending out powder charge at the quilt of shell bottom filling covers a paper washer, film flying is formed on the pipe bottom in during ignition, also ignites with very high velocity shock and is sent out powder charge.The weak point of this invention is to adopt the technology that covers paper washer and some lacquer unreasonable, at first be that a lacquer amount is wayward, big as fruit dot lacquer amount, can make and be sent out the powder charge insensitiveness, thereby cause that detonator half is quick-fried or miss-fire, little as fruit dot lacquer amount, paper washer is insecurely sticking, can cause the paper washer loosening so that air chamber of follow-up powder charge simultaneously that comes off to reduce and cause detonator half quick-fried or miss-fire in the process of transportation vibration.Next is that the filling process of paper washer in the detonator production process is difficult to solve, that is to say, paper washer is softer and crisp, in the process of filling, go out crape, fragmentation easily, particularly tilt, paper washer is inserted into with being tilted is easily sent out in the powder charge, cause paper washer not cover fully and sent out powder charge, just do not have the fixing powder charge of being sent out yet, the fixedly effect of air chamber volume, thus cause detonator partly quick-fried or miss-fire.Simultaneously, the paper washer filling equipment that is suitable for industrialized production can't solve at present.
The present invention is a purpose with the deficiency of improving No. 87106394 detonator that patent is set forth in the prior art just, adopts a kind of structure of having improved, and the structure of detonator and production technology are more become rationally, and is applicable to industrial production.
Nonpriming material detonator of the present invention, it comprises: shell; The detonation element that interior pipe constituted of the high explosive that initiation has been housed that in the shell aperture end, is provided with; Buckle a strengthening cap in the upper end of sending out powder charge along the quilt of outer casing bottom filling, it can be fixed effectively and be sent out powder charge, guarantee to send out the cavity that forms a fixed volume region between the powder charge at the quilt of detonation element and outer casing bottom filling, the formed film flying in pipe bottom impacts at high speed via the flash hole of strengthening cap and is sent out powder charge and this detonator that detonates in making during ignition.
Maximum characteristics of the present invention are to have replaced paper washer on it with being buckled in the strengthening cap of being sent out in the powder charge, have solved the difficult problem of filling process aspect in the industrial production, and strengthening cap fixedly the effect of cavity be far superior to the effect of paper washer.As long as adopt strengthening cap to utilize traditional detonator production process equipment just can assemble.
Detonator of the present invention, its strengthening cap both can right-hand thread in the upper end of being sent out powder charge, also can left-hand thread in the upper end of being sent out powder charge, but be best with the effect of strengthening cap right-hand thread in the upper end of being sent out powder charge.
Industrial detonator using no priming charge of the present invention, its strengthening cap can be by metal materials such as aluminium, copper, steel, multiple copper steel, copper plated steel, and nonmetallic materials such as pottery, cardboard plastics, synthetic resin are made, and are best with aluminium, copper, steel, multiple copper steel, copper plated steel wherein.The height of this strengthening cap is generally 0～5.9mm, wherein is preferably 3～5mm.
Industrial detonator using no priming charge of the present invention, the size of the flash hole of its strengthening cap has very big influence to the performance of detonator, if flash hole is too big, detonator is sent out the easy loose or dislocation of powder charge when the transportation vibration, thereby original air chamber space is dwindled, cause detonator half quick-fried or miss-fire; If flash hole is too little, when detonating in the formed film flying in pipe bottom just be difficult to impact and sent out a powder charge by flash hole, thereby cause detonator half quick-fried or miss-fire.Under general situation, the flash hole diameter of strengthening cap is between 0.5～5mm, is preferably between 1.0～3.0mm.
Industrial detonator using no priming charge of the present invention is provided with special requirement to the intensity of shell, and it can be made by nonmetallic materials such as metal material, plastics, paper, pottery such as aluminium, copper, steel, multiple copper steels.
Industrial detonator using no priming charge of the present invention, its powder charge can adopt existing various high explosive, as one or more the mixture in Tai'an, hexogen, HMX, 662 etc., are best with hexogen wherein.Under general situation, the particle diameter of hexogen is that 0.5～500 μ m apparent density is 0.30～0.55g/cm
3, preferably particle diameter is 2～100 μ m, apparent density is 0.35-0.45g/cm
3It is difficult to make if the particle diameter of hexogen is less than 0.5 μ m, and price is high, and free-running property is too poor, and granulation is difficulty relatively, so be not suitable for the present invention; If the particle diameter of hexogen is greater than 500 μ m, it is insensitiveness relatively then, is used for the present invention and can causes detonator half quick-fried or miss-fire, so also be not suitable for the present invention.
In order to increase the free-running property of high explosive, make its easy filling, the electrostatic effect when reducing charging explosive in detonator, the present invention can also use adhesive to the high explosive granulation.Used adhesive comprises: inorganic bonds such as silicate, phosphate, borate; Natural glues such as gelatin, pottery glue; Composite adhesiveses such as polyvinyl alcohol, polyvinyl acetate and epoxy resin.Be best wherein with silicate, gelatin and polyvinyl alcohol.Under general situation, the use amount of adhesive be after the granulation the high explosive gross weight 0.1～5%, be preferably 0.5～2%.
The present invention both can be used as instantaneous cap, also can be used as delay detonator, can also be used as detonator allowed for use in coal mines; If the employing electric igniting assembly then can be used as electric cap,, then can be used as on-electric detonator if adopt non-electric igniting assembly.
It is simple that the advantage of industrial detonator using no priming charge of the present invention is removed structure, safe and reliable, beyond detonation property is stable, mainly be to adopt strengthening cap to replace paper washer of the prior art, solved the difficult problem of paper washer filling process aspect, for general factory,, do not do any change and just can drop into industrial production as long as utilize traditional detonator production process equipment.
Description of drawings:
Fig. 1 is a kind of profile of multiple copper instant electric detonator of strengthening cap right-hand thread, it comprises: payment to a porter (11), plastic plug (10), interior pipe (9), igniting head (8), play the high explosive (7) of initiation, shell (6), interior pipe are felt resentful (5), air chamber (4), strengthening cap (3) is sent out powder charge (2) and (1).The characteristics of this detonator are just to buckle a strengthening cap on by a powder charge (2), and it can be used for fixing and be sent out a powder charge, to guarantee not charge into high explosive in the air chamber (4); Next is powder charge and be the little hexogen of granularity by sending out a powder charge in the interior pipe, but also can be with adhesive granulations such as polyvinyl alcohol, thereby increases the free-running property of hexogen, makes it be easy to filling, can also increase the degree of safety in the production simultaneously.Like this, when match board head (8) energising is ignited, high explosive (7) in the pipe in just can igniting, because air chamber (4) the pressure minimum of interior pipe bottom, pipe bottom is at first broken through and is formed film flying in making, and this metal film flying is by behind the air chamber (4), with shock wave with the flash hole of very high speed by strengthening cap, sent out powder charge (2) and (1) and impact, thereby detonated this detonator.
Fig. 2 is a kind of profile of multiple copper instant electric detonator of strengthening cap left-hand thread.
Fig. 3 is the profile of the used strengthening cap of the present invention, and (12) are its flash holes.
Fig. 4 is highly to be 0 o'clock strengthening cap, and it is a kind of special circumstances of Fig. 3, is actually a kind of reinforcement pad.
Following Example is just in order to further specify the present invention, rather than the limit of the present invention.
Embodiment
The particle diameter of getting No.12 Factory, Fuxin Bureau of Mining Affairs's production is 75 μ m, and apparent density is 0.42g/cm
3Hexogen 500g, in hexogen: polyvinyl alcohol=100: the ratio 20(butt) takes by weighing the 10.0g polyvinyl alcohol.The polyvinyl alcohol that weighs up is joined in the beaker of 200ml, add 15.5g water and heat fused then, until completely melted it and previous hexogen are joined in the granulation container, mix, putting into 48 hours dry good hexogen apparent densities of hothouse inner drying excessively behind 30 mesh sieves is 0.47g/cm
3, stay and manufacture detonator below doing and use.
Get the thick high 4.8mm of being of copper coin punching out of 0.5mm that Shenyang Non-ferrous Metal Processing Factory produces, internal diameter is that 5.9mm, flash hole diameter are the strengthening cap of 2.1mm, manufactures detonator below waiting until and use after the pickling drying.
The multiple copper shell powder column pipe of producing with top made granulation hexogen, strengthening cap and No.12 Factory, Fuxin Bureau of Mining Affairs of 6#, and manufacture nonpriming material detonator by traditional detonator production technology, and be put into to store in the storeroom and wait until following performance test and use.
1. vibration test
Get 200 in top made detonator, and do vibration test with the cam-type vibration rig, vibration frequency is 60 times/minute, time of vibration is 10 minutes, find no Lou medicine phenomenon, the vibration qualification rate is 100%, meets State Standard of the People's Republic of China's " commercial electric detonator " GB8031-87.
2. rate of explosion test
Get 100 detonators of sending out to have done vibration test above-mentioned, do the rate of explosion test, 100 all detonate, and rate of explosion is 100%.Meet State Standard of the People's Republic of China's " commercial electric detonator " GB8031-87.
3. lead plate perforation test
Get 100 detonators of sending out acid above-mentioned and cross vibration test and do lead plate perforation test, 100 all detonate, and its lead plate perforation value is 9.8～11.5mm, and mean value is 11.20mm, meets State Standard of the People's Republic of China's " commercial electric detonator " GB8031-87.
Comparative example
The particle diameter of getting No.12 Factory, Fuxin Bureau of Mining Affairs's production is that 1200 μ m apparent densities are 0.62g/cm
3Hexogen 500g, be put into and manufacture detonator below drying is waited until in the hothouse and use.
Manufacture the garden shape paper washer that diameter is 6.1mm with the thick sulfuric acid of 0.2mm is made of paper, manufacture detonator below waiting until and use.
The 6# that produces with top selected hexogen, paper washer, No.12 Factory, Fuxin Bureau of Mining Affairs answers copper powder column pipe, and manufactures nonpriming material detonator with traditional detonator production technology, and does the performance test identical with embodiment.
1. vibration test
Get 200 in top made detonator, do vibration test with the cam-type bobbing machine, vibration frequency is 60 times/minute, and time of vibration is 10 minutes, and the result has 13 to leak medicine, and the vibration qualification rate is 93.5%.
2. rate of explosion test
Get 100 detonators (comprising 6 detonators that leak medicines) of sending out to have done vibration test above-mentioned and do the rate of explosion test, the result have 4 half quick-fried, rate of explosion is 96%.
3. lead plate perforation test
Get 100 detonators (comprising 7 detonators that leak medicines) of sending out to have done vibration test above-mentioned, do lead plate perforation test, the result have 5 half quick-fried, the lead plate perforation value of other detonator is 8.7～10.9mm, flat value value is 10.2mm.
From top result of the test as can be seen, the performance of nonpriming material detonator of the present invention obviously is better than the performance of nonpriming material detonator of the prior art.
Claims (7)
1, a kind of industrial detonator using no priming charge, it comprises: shell, by the detonation element that sealing-plug and pyrophoric body constituted that is provided with on interior pipe, the violent quick-fried medicine that plays initiation and the inner tube opening end, and the quilt that loads along the detonator bottom is sent out powder charge, it is characterized in that buckling a strengthening cap in the upper end of sending out powder charge along the quilt of detonator bottom filling, it can be fixed effectively and be sent out powder charge, guarantees detonation element and is sent out the cavity that forms a fixed volume region between the powder charge.
2, according to the described industrial detonator using no priming charge of claim 1, it is characterized in that described strengthening cap can right-hand thread, also can left-hand thread, but be best with right-hand thread.
3, according to the described industrial detonator using no priming charge of claim 1, it is characterized in that described strengthening cap can be by metal materials such as aluminium, copper, steel, multiple copper steel, copper plated steel, nonmetallic materials such as pottery, rigid plastics, synthetic resin are made, and are best with aluminium, copper, steel, multiple copper steel, copper plated steel wherein.
4, according to claim 1 or 3 described industrial detonator using no priming charges, it is characterized in that described strengthening cap height is generally 0～5.9mm, the flash hole diameter is generally 0.5～5mm, highly is preferably 3～5mm, and the flash hole diameter is preferably 1.0～3.0mm.
5, according to the described industrial detonator using no priming charge of claim 1, it is characterized in that charging explosive in detonator is preferably hexogen, in the ordinary course of things, the particle diameter of hexogen is 0.5～500 μ m, apparent density is 0.30～0.55g/cm
3, preferably particle diameter is 2～100 μ m, apparent density is 0.35～0.45g/cm
3
6, according to the described industrial detonator using no priming charge of claim 1, it is characterized in that charging explosive in detonator can adopt the adhesive granulation, used adhesive comprises: inorganic bonds such as silicate, phosphate, borate; Natural glues such as gelatin pottery glue; Composite adhesiveses such as polyvinyl alcohol, polyvinyl acetate, epoxy resin are best with silicate, gelatin and polyvinyl alcohol wherein.
7, according to claim 1 or 6 described industrial detonator using no priming charges, the addition that it is characterized in that adhesive be after the granulation the high explosive gross weight 0.1～5%, be preferably 0.5～2%
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88108549 CN1015570B (en) | 1988-12-20 | 1988-12-20 | Industrial detonator without igniting primer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88108549 CN1015570B (en) | 1988-12-20 | 1988-12-20 | Industrial detonator without igniting primer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1043562A true CN1043562A (en) | 1990-07-04 |
| CN1015570B CN1015570B (en) | 1992-02-19 |
Family
ID=4835105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88108549 Expired CN1015570B (en) | 1988-12-20 | 1988-12-20 | Industrial detonator without igniting primer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1015570B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153427A (en) * | 2010-12-17 | 2011-08-17 | 雅化集团绵阳实业有限公司 | Excitation powder of flying plate type electric detonator without detonating powder |
| CN105157483A (en) * | 2015-10-23 | 2015-12-16 | 中北大学 | Separated-type detonating device |
| CN105651126A (en) * | 2016-03-16 | 2016-06-08 | 安徽理工大学 | Industrial electric detonator with traces of initiating explosives |
| CN110412235A (en) * | 2019-07-27 | 2019-11-05 | 广东宏大韶化民爆有限公司 | A kind of novel DDNP light weight detection device and application method |
| CN110421046A (en) * | 2019-07-27 | 2019-11-08 | 广东宏大韶化民爆有限公司 | A kind of strengthening cap of assembly of industrial primer and preparation method thereof |
| CN114322684A (en) * | 2021-11-23 | 2022-04-12 | 上海鲲程电子科技有限公司 | Internal impact excitation type electronic detonator |
| CN115784825A (en) * | 2022-12-26 | 2023-03-14 | 山东泰山民爆器材有限公司 | Built-in cavity type flying piece detonator |
-
1988
- 1988-12-20 CN CN 88108549 patent/CN1015570B/en not_active Expired
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153427A (en) * | 2010-12-17 | 2011-08-17 | 雅化集团绵阳实业有限公司 | Excitation powder of flying plate type electric detonator without detonating powder |
| CN102153427B (en) * | 2010-12-17 | 2012-07-25 | 雅化集团绵阳实业有限公司 | Excitation powder of flying plate type electric detonator without detonating powder |
| CN105157483A (en) * | 2015-10-23 | 2015-12-16 | 中北大学 | Separated-type detonating device |
| CN105651126A (en) * | 2016-03-16 | 2016-06-08 | 安徽理工大学 | Industrial electric detonator with traces of initiating explosives |
| CN110412235A (en) * | 2019-07-27 | 2019-11-05 | 广东宏大韶化民爆有限公司 | A kind of novel DDNP light weight detection device and application method |
| CN110421046A (en) * | 2019-07-27 | 2019-11-08 | 广东宏大韶化民爆有限公司 | A kind of strengthening cap of assembly of industrial primer and preparation method thereof |
| CN114322684A (en) * | 2021-11-23 | 2022-04-12 | 上海鲲程电子科技有限公司 | Internal impact excitation type electronic detonator |
| CN115784825A (en) * | 2022-12-26 | 2023-03-14 | 山东泰山民爆器材有限公司 | Built-in cavity type flying piece detonator |
| CN115784825B (en) * | 2022-12-26 | 2023-08-11 | 山东泰山民爆器材有限公司 | Fly sheet detonator with built-in cavity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1015570B (en) | 1992-02-19 |
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