CN1015570B - Industrial detonator without initiating explosive - Google Patents
Industrial detonator without initiating explosiveInfo
- Publication number
- CN1015570B CN1015570B CN 88108549 CN88108549A CN1015570B CN 1015570 B CN1015570 B CN 1015570B CN 88108549 CN88108549 CN 88108549 CN 88108549 A CN88108549 A CN 88108549A CN 1015570 B CN1015570 B CN 1015570B
- Authority
- CN
- China
- Prior art keywords
- detonator
- charge
- strengthening cap
- priming
- industrial detonator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000002360 explosive Substances 0.000 title claims abstract description 16
- 230000000977 initiatory effect Effects 0.000 title claims description 6
- 238000005728 strengthening Methods 0.000 claims abstract description 26
- 238000005474 detonation Methods 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- XTFIVUDBNACUBN-UHFFFAOYSA-N 1,3,5-trinitro-1,3,5-triazinane Chemical group [O-][N+](=O)N1CN([N+]([O-])=O)CN([N+]([O-])=O)C1 XTFIVUDBNACUBN-UHFFFAOYSA-N 0.000 claims description 14
- 230000037452 priming Effects 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000005469 granulation Methods 0.000 claims description 8
- 230000003179 granulation Effects 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 108010010803 Gelatin Proteins 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- 229920000159 gelatin Polymers 0.000 claims description 3
- 239000008273 gelatin Substances 0.000 claims description 3
- 235000019322 gelatine Nutrition 0.000 claims description 3
- 235000011852 gelatine desserts Nutrition 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 239000011118 polyvinyl acetate Substances 0.000 claims description 2
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 2
- 229920003002 synthetic resin Polymers 0.000 claims description 2
- 239000000057 synthetic resin Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 19
- 238000005429 filling process Methods 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 239000000123 paper Substances 0.000 description 17
- 238000012360 testing method Methods 0.000 description 17
- 239000000463 material Substances 0.000 description 8
- 238000004880 explosion Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005065 mining Methods 0.000 description 5
- 239000003814 drug Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000004922 lacquer Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 235000020004 porter Nutrition 0.000 description 1
- -1 pottery Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
- Air Bags (AREA)
Abstract
A non-primary explosive industrial detonator is characterized in that a reinforcing cap is buckled on the upper end of a to-be-initiated charge filled along the bottom of the detonator, a cavity with a fixed volume can be formed between a detonating element and the to-be-initiated charge, and a flying piece formed at the bottom of the detonator impacts the to-be-initiated charge at a high speed through a fire transfer hole of the reinforcing cap during detonation so as to detonate the detonator.
The invention adopts the strengthening cap to replace the paper pad in the prior art, solves the difficult problem in the aspect of the paper pad filling process, and ensures that the general factory can put into industrial production only by utilizing the traditional detonator production process equipment.
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 the metal disk 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 dim detonator, 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), high explosive (7), the shell (6) of an initiation, interior pipe feel 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 just can igniting in the pipe, 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 that 75 μ m apparent densities are 0.42g/cm
3Hexogen 500g, in hexogen: polyvinyl alcohol=100: the ratio 2.0(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, put into the hothouse inner drying 48 hours after crossing 30 mesh sieves, dry good hexogen apparent density 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, 5.9mm, flash hole diameter are the strengthening cap of 2.1mm in the internal diameter, manufacture detonator below waiting until and use after the pickling drying.
With top made granulation hexogen, strengthening cap and No.12 Factory, Fuxin Bureau of Mining Affairs produce 6
#Multiple copper shell powder column pipe, 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%, meets State Standard of the People's Republic of China's " commercial electric detonator " GB8031-87.
2, 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 product 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 circular 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.
With top selected hexogen, paper washer, No.12 Factory, Fuxin Bureau of Mining Affairs produce 6
#Answer copper powder column pipe, and manufacture nonpriming material detonator, and do the performance test identical with embodiment with traditional detonator production technology.
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 (6)
1, a kind of industrial detonator using no priming charge, it comprises: shell (6), sealing-plug (10), detonation element and sent out a powder charge is characterized in that openend at shell (6) is provided with a sealing-plug (10) by interior pipe (9), the high explosive (7) that plays initiation and inner pipe (9) upper end and is fastened on the detonation element that the pyrophoric body (8) in the pipe is constituted; Buckle a strengthening cap (3) in the upper end of sending out powder charge along the quilt of shell (6) bottom filling; The cavity that one fixed volume region is arranged between the bottom of detonation element and the strengthening cap (3).
2,, it is characterized in that described strengthening cap can be made by aluminium, copper, steel, multiple copper steel, copper plated steel, pottery, rigid plastics, synthetic resin according to the described industrial detonator using no priming charge of claim 1.
3, according to claim 1 or 2 described industrial detonator using no priming charges, it is characterized in that described strengthening cap height is 0～5.9mm, the flash hole diameter is 0.5～5mm.
4, according to the described industrial detonator using no priming charge of claim 1, it is characterized in that charging explosive in detonator is a hexogen, the hexogen particle diameter is 0.5～500 μ m, apparent density is 0.30～0.55g/cm
3
5, 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: silicate, phosphate, borate, gelatin, pottery glue, polyvinyl alcohol, polyvinyl acetate, epoxy resin.
6, according to claim 1 or 5 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%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88108549 CN1015570B (en) | 1988-12-20 | 1988-12-20 | Industrial detonator without initiating explosive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88108549 CN1015570B (en) | 1988-12-20 | 1988-12-20 | Industrial detonator without initiating explosive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1043562A CN1043562A (en) | 1990-07-04 |
| CN1015570B true 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 initiating explosive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1015570B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105157483B (en) * | 2015-10-23 | 2017-03-22 | 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 |
| 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 |
-
1988
- 1988-12-20 CN CN 88108549 patent/CN1015570B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN1043562A (en) | 1990-07-04 |
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