CN1028445C

CN1028445C - Initiator type primer cap without initiating agent

Info

Publication number: CN1028445C
Application number: CN 91111473
Authority: CN
Inventors: 万发扬
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-12-06
Filing date: 1991-12-06
Publication date: 1995-05-17
Anticipated expiration: 2006-12-06
Also published as: CN1073006A

Abstract

The present invention relates to an initiator type primer cap without an initiating agent, which is characterized in that a strengthening constraint initiator substitutes for an initiating agent. A main application explosive is a mixed explosive with single explosives with high explosion sensitivity, and does not have pharmaceutical waste water. The initiator type primer cap without an initiating agent has the advantages of safe production, transportation and use, wherein an electric primer cap belongs to a safe primer cap of a coal mine. The initiator type primer cap also has the advantages of simple structure and manufacturing technology; the existing production technology does not need changing; the comprehensive production cost is lower than that of the existing produced primer cap with the initiating agent.

Description

Initiator type primer cap without initiating agent

The invention belongs to the initiating equipment that engineering explosion is used, relate to a kind of without the electricity of priming or sending out in wink or delay industrial detonator and safety of coal mines type electric cap of non-electricity.

The detonator that domestic prior art is produced all is equipped with priming, ignites the priming high explosive that detonates by flame.And sensitivity such as the bump of priming, friction, flame, static are all very high, have slightly fireworks such as electrostatic spark, bump, etc. external influence just may set off an explosion, in detonator manufacturing, transportation, use, easily have an accident.And producing a large amount of waste water in the priming pharmacy procedure is difficult to handle.At present, domestic and international many units be devoted to the development of nonpriming material detonator such as external relevant patent can referring to:

US3，978，791（1976）

US4，239，004（1980）

UE AS1，646，340。

Domestic as notification number is:

GW 85 1 01936A

GW 86 1 02717A

GW 20 73580

Application number: 89 2 18986, X

But all fail for various reasons in industry, to apply.

The purpose of invention initiator type primer cap without initiating agent is exactly in order to solve the safety problem in pharmacy waste water that present detonator makes and manufacturing, transportation, the use.

The present invention realizes like this, referring to accompanying drawing (being profile), Fig. 1, Fig. 2, Fig. 3, employing is equipped with and is contained mixed type explosive that single chmical compound explosive (basic medicine), oxidant and catalyst etc. mix or the higher single chmical compound explosive of sensitivity and promptly break out the interior pipe 5 and the electric match plastic plug 7 of medicine 6 or increase between the two and adorn sending out in wink or the delay electric detonator initiation piece that a delay element 9 is assembled, or fixes and the blasting cap initiation piece that constitutes with the interior button sealing cap 11 of the interior pipe 12 dress outburst medicines 6 of band flash hole and band flash hole.Above-mentioned various initiation piece is sent out (Fig. 1) initiator type non-priming wink or is delayed (Fig. 2) electric cap and blasting cap (Fig. 3) with the high

explosive column jecket

1,2,3 that mixed type or simple substance loose explosive 4 are housed is assembled respectively.Its initiation process is, the outburst medicine 6 that initiation piece is 5,6,7 li by the flame ignition of sparking gears such as electric match 7 or extension body 9 after, in the gas flow that produces of constraint such as pipe 5, shell 1 and sealing-plug 7 or the burning of outburst medicine be air inlet much larger than when the gas flow of flash hole 11,12 eliminatings is promptly given vent to anger, the outburst medicine changes detonation or high velocity deflagration into by burning, and the residue of the shock wave of formation, high temperature and high speed thermal current and high temperature and high speed, fragmentation etc. are with forms such as impact, compression, heating loose explosive 4 high explosive 3,2 that detonates then that detonates.

Key problem in technology of the present invention be the main dispenser of initiator type primer cap without initiating agent promptly to break out medicine and bulk powder charge be to contain basic explosive Tai'an or 662 or hexogen, chlorate or perchlorate or nitrate or chromate or bichromate or peroxide oxidant or hybrid oxidant, add 0.5～2% the tungsten or the oxide or the peroxide catalyst of metals such as molybdenum or manganese, the explosive mixing granulation that also can add low sensitivity such as TNT or picric acid forms mixed type outburst medicine and bulk powder charge.Use separately in also available Tai'an.Outburst medicine and bulk powder charge can be with a kind of medicine and also can be medicine not of the same race.

Realization preferred plan of the present invention is that main dispenser outburst medicine and bulk powder charge are the mixed type explosive, and basic medicine wherein is Tai'an 85 ± 5%, potassium nitrate or potassium perchlorate or potassium chlorate 15 ± 5%, the oxide of tungsten or molybdenum or manganese or peroxide.Interior Guan Weitie or cover that copper iron is made and bottom band flash hole.Shell is a metal-back.

Example: outburst medicine and loose explosive are for being the mixed type explosive of basic medicine with hexogen, and it consists of hexogen 49%, TNT 21%, potassium nitrate 30%, add manganese peroxide 0.5～2.0%.In pipe be copper one-tenth, shell for cover copper iron, sealing-plug is the electric match plastic plug.Make the initiator type electric detonator without primary explosive No. 8, two lot sample replica tests, vibration, handstand, series connection all do not have partly quick-fried, and lead plate perforation complies with the national standard requirements.If adopting hexogen is the warm mould assembly outburst medicine and the loose explosive of basic medicine, need increase the reinforcement hoop (Fig. 4) or the interior pipe addition of constraints hoop of a tight fit (chucking) during for paper case detonator.Restraint garter is that the material of higher-strength is made.

Initiator type primer cap without initiating agent of the present invention has the priming detonator relatively with what produce at present, no pharmacy waste water, production, transportation and safe in utilization.Structure and manufacturing process thereof are simple, and present production technology need not to change.Raw material are easily purchased, and production cost is lower than the detonator production cost (integrated cost that the price of the outburst medicine of mixed type or cost≤its single chmical compound explosive of bulk powder charge≤priming is made) that contains priming at present.Be suitable for applying and large-scale industrial production.

The concrete structure of invention and enforcement are provided by the following drawings.

Fig. 1 is the profile of initiator type non-priming instant electric detonator.

Fig. 2 is the profile of initiator type non-priming delay electric detonator.

Fig. 3 is the profile of initiator type non-priming blasting cap.Sparking mode can adopt fuse cord or detonator etc. to insert in the mouth of pipe.

Fig. 4 has the initiator type non-priming instant electric detonator of strengthening restraint garter.

Among the figure 1 is that shell can be metal or nonmetallic materials are made. The rear outburst medicine has been burnt of assembling strengthened effect of contraction. The 2nd, dress is pressed a high density high explosive, to improve the detonator power namely to the initiating ability of commercial explosive. The 3rd, dress is pressed two times high explosives, plays the propagation of explosion effect. As seen above structure is exactly the powder column pipe that the priming detonator is arranged of prior art. The 4th, mixed type or single chmical compound explosive (main dispenser). High explosive detonates after plaing a part to be detonated. The 5th, inner tube is that copper or the nonmetallic materials of covering the metals such as copper iron or iron or similar strength are made. Dress outburst medicine and to the outburst medicine effect of contraction that burn, the bottom can or not have flash hole or bores a hole and thoroughly do not wait other any vestige with flash hole. The 6th, outburst medicine (main dispenser). Under constraints, transfer outburst or high velocity deflagration to by burning after being lighted. The 7th, with the sealing-plug of electric match. Cock body partly can be plastics or fills with sulphur. It act as card the ignite outburst medicine and to the outburst medicine effect of contraction that burnt of igniting of can switching on of being honored as a queen. The 8th, bayonet socket. If bind round bayonet socket with reinforcement during paper tube. The 9th, the extension part. The lead pipe that delay powder is housed can be single core or multicore leads delay cell. Play the Dark Ignition effect. The 10th, middle card plays the role of positioning to the extension part. The 11st, with the interior buckle closure cap of flash hole, for the material of metal or plastics or similar strength is made. Play sealing and the burning that breaks out medicine is played effect of contraction. The flame of detonator, extension part can be lighted the outburst medicine by its flash hole. The 12nd, with the inner tube of flash hole. The 13rd, strengthen restraint garter. Burning to the outburst medicine plays the reinforcement effect of contraction. Its material is that metal or nonmetallic materials are made, and needs with shell or interior shell tight fit or fixes on shell wall up and down.

Claims

1, initiator type primer cap without initiating agent, be by interior pipe 5, outburst medicine 6, igniting element sealing plug 7, shell 1 and press-fit one, prang powder column 2 two times, 3 (being the powder column pipe), the mixed type explosive of pine dress and forming, it is characterized in that forming with the powder column pipe assembling bayonet socket that bulk powder charge is housed again with the initiation piece that the interior pipe that the outburst medicine is housed is assembled by the igniting element sealing plug, wherein break out medicine, bulk powder charge is a single chmical compound explosive, oxidant promptly contains the novel mixed type explosive that oxidation formulation composite explosives form with catalyst mix, after its outburst medicine is lighted a fire, under the interior pipe of sealing and shell constraint and explode the shock wave of formation, high temperature and high speed air-flow and hot-engine sludge, fragmentations etc. are to impact, a kind of novel nonpriming material detonator that prangs powder column is ignited in the detonate bulk powder charge blast of forms such as compression again.

2, according under the claim 1, it is characterized in that breaking out medicine and bulk powder charge is the novel composite explosives that contain catalyst, and its basis is that single chmical compound explosive Tai'an or hexogen or hexogen and TNT and oxidant commonly used such as chlorate or nitrate mix and promptly contains oxidation formulation composite explosives and increase the novel composite explosives that catalyst mix forms.

3, according under the claim 1, the catalyst that it is characterized in that breaking out in medicine and the bulk powder charge is the oxide and the peroxide catalyst thereof of tungsten or molybdenum or manganese.

4, according under the claim 1, it is characterized in that breaking out medicine and bulk powder charge and can be with a kind of mixed type explosive, also can be mixed type explosive not of the same race.

5, according under the claim 1, pipe no flash hole in bottom or perforation are not saturating in it is characterized in that.

6, according under the claim 1, the part of detonating that it is characterized in that detonator increases above the outburst medicine in the promptly interior pipe with the sealing-plug sealed inner tube of electric match or between the two after for interior pipe dress outburst medicine adorns the detonating material that an extension body forms.

7,, it is characterized in that shell or inner casing can increase by one and strengthen restraint garter to strengthen its effect of contraction according under the claim 1.