CN108917500A - A kind of lead for retractable pencil formula fires element and fires the basal detonator that element forms by this - Google Patents
A kind of lead for retractable pencil formula fires element and fires the basal detonator that element forms by this Download PDFInfo
- Publication number
- CN108917500A CN108917500A CN201810810322.0A CN201810810322A CN108917500A CN 108917500 A CN108917500 A CN 108917500A CN 201810810322 A CN201810810322 A CN 201810810322A CN 108917500 A CN108917500 A CN 108917500A
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- China
- Prior art keywords
- lead
- retractable pencil
- priming
- inner tube
- fires
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
- F42C19/08—Primers; Detonators
- F42C19/12—Primers; Detonators electric
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B29/00—Compositions containing an inorganic oxygen-halogen salt, e.g. chlorate, perchlorate
- C06B29/02—Compositions containing an inorganic oxygen-halogen salt, e.g. chlorate, perchlorate of an alkali metal
- C06B29/16—Compositions containing an inorganic oxygen-halogen salt, e.g. chlorate, perchlorate of an alkali metal with a nitrated organic compound
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B29/00—Compositions containing an inorganic oxygen-halogen salt, e.g. chlorate, perchlorate
- C06B29/02—Compositions containing an inorganic oxygen-halogen salt, e.g. chlorate, perchlorate of an alkali metal
- C06B29/16—Compositions containing an inorganic oxygen-halogen salt, e.g. chlorate, perchlorate of an alkali metal with a nitrated organic compound
- C06B29/18—Compositions containing an inorganic oxygen-halogen salt, e.g. chlorate, perchlorate of an alkali metal with a nitrated organic compound the compound being nitrated toluene or a nitrated phenol
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
- C06C15/00—Pyrophoric compositions; Flints
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- General Engineering & Computer Science (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Air Bags (AREA)
Abstract
Element is fired the invention discloses a kind of lead for retractable pencil formula and the basal detonator that element forms is fired by this, it includes inner tube, lead for retractable pencil portion and loose priming that the lead for retractable pencil formula, which fires element, wherein, the lead for retractable pencil portion is located at said inner tube internal upper part, the pine priming is located at the lower section in the lead for retractable pencil portion in inner tube, the basal detonator includes Can, powder column medicine, bulk powder charge and lead for retractable pencil formula are set gradually in the Can from bottom to up and fires element, the lead for retractable pencil formula, which fires, installs delay element, electronic igniting element or detonator additional above element；Basal detonator of the invention does not need priming, to overcome the security risk for needing priming, environmental pollution and problem at high cost；Dedicated shell and inner tube are not needed, assembly technology is simple；And blasting cap detonation incomplete phenomenon when eliminating inversion detonation；So non-priming basal detonator of the invention has many advantages, such as high reliablity, quality control simple, safety and environmental protection, economical and practical.
Description
Technical field
Element is fired the present invention relates to initiating equipment technical field more particularly to a kind of lead for retractable pencil formula and element group is fired by this
At basal detonator.
Background technique
Engineering explosion is to have priming detonator with the various detonator overwhelming majority.
There is priming detonator to have the following disadvantages：Priming manufacture can generate a large amount of waste water and priming autosensitization degree
Height easily explodes in production, transport and use process, and security risk is self-evident, and waste water treatment difficulty is big, at high cost.
Since last century the nineties, domestic and international scientific worker tries to explore and develops all kinds of nonpriming material detonators,
Wherein flying-piece auget without detonating agent is the most typical, but flying-piece auget without detonating agent is needed using dedicated shell and fluted
Inner tube, manufacturing cost is higher, and assembly technology is complicated, and in commercial process, it is big that quality controls difficulty, is inverted detonation and deposits
In the incomplete phenomenon of blasting cap detonation.Therefore need to develop simple a kind of high reliablity, quality control, safety and environmental protection, economical real
The basal detonator of priming is not applied.
Summary of the invention
An object of the present invention is that providing a kind of lead for retractable pencil formula fires element, to solve the above problems.
To achieve the goals above, the technical solution adopted by the present invention is that it is such：A kind of lead for retractable pencil formula fires element, including interior
Pipe, lead for retractable pencil portion and loose priming, wherein the lead for retractable pencil portion is located at said inner tube internal upper part, and the pine priming is located at interior
The lower section in the lead for retractable pencil portion in pipe；Said inner tube length is 20~25mm, and inner tube outside diameter is φ 6.1~φ 14.4mm, internal diameter φ
4.9~φ 5.1mm, flash hole diameter are 3.0~φ of φ 4.0mm；The lead core length is 8~10mm, and the lead for retractable pencil portion includes
Outer layer and internal medicine core, the cladding material are lead-antimony alloy, and the internal medicine core is high-energy igniter charge, and medicine core density is 1.1
~1.3g/cm3, the composition of the high-energy igniter charge is potassium picrate, red lead and potassium hyperchlorate, is counted in mass ratio, potassium picrate：
Red lead：Potassium hyperchlorate=30~60：20~40：10~30, the high-energy igniter charge or use zirconium ignition charge, ingredient is zirconium
Powder, aluminium powder and potassium hyperchlorate, are counted in mass ratio, zirconium powder：Aluminium powder：Potassium hyperchlorate=17~25：10~17：58~75；The pine dress
The formula of ignition charge is Tai An and potassium chlorate, counts, pacifies very much in mass ratio：Potassium chlorate=65~85：15~35, the pine decorates fire
It is 50~300mg that prescription, which sends out explosive payload, and pressure pressure is 2~25MPa, a height of 1~8mm of medicine.The shell preferred smooth of inner tube, has
Damaged, rusty stain.
The second object of the present invention is to provide a kind of by the above-mentioned non-priming basal detonator for firing element and forming,
The technical solution used for：Including Can, powder column medicine, bulk powder charge and lead are set gradually in the Can from bottom to up
Core type fires element, and the lead for retractable pencil formula, which fires, installs delay element, electronic igniting element or detonator additional above element.
As a preferred technical scheme：The Can material is steel, copper or aluminium alloy, 60~100mm of pipe range, metal
Shell outer diameter is φ 6~φ 15mm, internal diameter is φ 6.3~φ 14.5mm, and Can bottom is flat or concave bottom；Can
Surface color is uniform and smooth, free from flaw, without breakage.
As a preferred technical scheme：The bulk powder charge is that pine dress is pacified very much, and single-shot explosive payload is 100~400mg, Tai Andui
Product density is 0.60~1.20 g/cm3。
As a preferred technical scheme：The powder column medicine, dress pressure, composition are heisuojin or pacify very much, a powder charge in two times
Amount is 200~350mg, and single-shot product pressure is 74~135MPa；Secondary explosive payload is 100~400mg, and single-shot product pressure is
75~150MPa.
The principle of the present invention is：Addition detonating agent is not needed, element is fired by the lead for retractable pencil formula containing high-energy igniter charge
Initial punching can, the loose priming of high-energy igniter charge lower part is ignited, then quick-fried lower part pine dress is expanded by loose priming and is pacified very much, it is complete
It is quick-fried at secondary expansion, and then reach a higher explosion velocity, the final powder column medicine for igniting lower part reaches the effect of the complete detonation of detonator
Fruit.Technological core of the invention be to have invented it is new fire element, using the quick-fried effect of the expansion of loose priming, bulk powder charge, add
The strong constraint of upper external inner tube, so that the process of COMBUSTION TO DETONATION TRANSITION be made smoothly to realize, i.e., core of the invention be fire element, and
It is reasonably combined with inner tube, high-energy igniter charge, loose priming, bulk powder charge progress, to achieve the effect that non-priming.
The present invention have passed through thermocycling, be inverted detonation test, vibratory test and initiating ability test, not occur
Half quick-fried phenomenon, initiating ability meet《Industrial plain detonator》Performance requirement.
Thermocycling：Under the conditions of 85 DEG C and -40 DEG C, each 20 hair of the basal detonator which is made is placed respectively
4h carries out detonation test after taking-up, can proper detonation.
It is inverted detonation test：The basal detonator that the invention makes is assembled with electric igniting assembly, bottom is vertically upward
And be tightly attached on 5mm thickness stereotype, it detonates, lead plate perforation value is 10.8~11.5mm.
Vibratory test：The hair of basal detonator 20 that the invention makes is placed in vibratory test case, vibration frequency 50HZ, shake
The dynamic time is 10min, carries out detonation test after taking, can proper detonation.
Initiating ability test：The basal detonator 50 that the invention is made sends out product by GB/T13226-1991《Industrial detonator
Lead plate test method》It is required that being tested, lead plate perforation value is 10.8~11.5mm.
Compared with the prior art, the advantages of the present invention are as follows：Basal detonator of the invention does not need priming, to overcome
Need security risk, environmental pollution and the problem at high cost of priming；Dedicated shell and inner tube, assembly technology are not needed
Simply；And blasting cap detonation incomplete phenomenon when eliminating inversion detonation；So the present invention has high reliablity, quality control
System is simple, safety and environmental protection, it is economical and practical the advantages that.
Compared with existing flying-piece auget without detonating agent, the basal detonator simple process of invention production, medicament source
Extensive and technical maturity, production process control is relatively easy, and reliability reaches 99.995%, flying-piece auget without detonating agent technique
Condition is harsh, and reliability is larger by the influence factor of inner tube, dedicated pipe hull specification and medicament density, is especially inverted detonation and exists
Half quick-fried phenomenon.For economy, for the basal detonator of invention production compared with existing detonator, production process is safer, by
Link is manufactured in non-priming, waste water treatment and associated safety input cost are substantially zeroed, overall cost and conventional detonator cost
Quite.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the present invention fires element；
Fig. 2 is the structural schematic diagram of basal detonator of the present invention；
Fig. 3 is the preparation technology flow chart of basal detonator of the present invention.
In figure：1, Can；2, element is fired；21, inner tube；22, lead for retractable pencil outer layer；23, high-energy igniter charge；24, pine dress
Ignition charge；3, bulk powder charge；4, powder column medicine.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
Embodiment 1：
Referring to Fig. 1 and Fig. 2, a kind of non-priming basal detonator, including Can 1, in the Can 1 from bottom to up according to
Secondary setting powder column medicine 4, bulk powder charge 3 and lead for retractable pencil formula fire element 2, and the lead for retractable pencil formula fires and installs delay element additional above element 2；
Wherein, 1 material of Can is steel, copper or aluminium, and pipe range 70mm, Can outer diameter is φ 7.5mm, internal diameter φ
6.5mm, Can bottom are flat or concave bottom；Can surface color is uniform and smooth, free from flaw, without breakage；
It includes inner tube 21, lead for retractable pencil portion and loose priming 24 that the lead for retractable pencil formula, which fires element 2, wherein the lead for retractable pencil portion is located at institute
21 internal upper part of inner tube is stated, the pine priming 24 is located at the lower section in the lead for retractable pencil portion in inner tube 21；21 length of said inner tube is
25mm, inner tube outside diameter is φ 6.1mm, internal diameter is φ 4.9mm, and flash hole diameter is φ 3.0mm；The lead core length is 10mm,
The lead for retractable pencil portion includes lead for retractable pencil outer layer 22 and internal medicine core, and 22 material of lead for retractable pencil outer layer is lead-antimony alloy, the internal medicine core
For high-energy igniter charge 23, medicine core density is 1.2g/cm3, the composition of the high-energy igniter charge is potassium picrate, red lead and perchloric acid
Potassium is counted in mass ratio, potassium picrate：Red lead：Potassium hyperchlorate=40：40：20；The pine decorate 24 gunpowder formula be Tai An and
Potassium chlorate is counted in mass ratio, is pacified very much：Potassium chlorate=70：30, the pine priming single-shot explosive payload is 250mg, and press pressure
For 5MPa, a height of 5mm of medicine.The shell preferred smooth of inner tube 21 has damaged, rusty stain；
The bulk powder charge is that pine dress is pacified very much, and single-shot explosive payload is 220mg, and too peace bulk density is 0.71 g/cm3。
The powder column medicine, dress pressure, composition are heisuojin or pacify very much that an explosive payload is 350mg, single-shot product pressure in two times
Power is 120MPa；Secondary explosive payload is 300mg, and single-shot product pressure is 110MPa.
The preparation process of the basal detonator of the present embodiment is as shown in Figure 3.
Embodiment 2：
In the present embodiment, lead for retractable pencil formula fires and installs electronic igniting element above element 2 additional, and 1 material of Can is copper, the high energy
Ignition charge uses zirconium ignition charge, and ingredient is zirconium powder, aluminium powder and potassium hyperchlorate, counts in mass ratio, zirconium powder：Aluminium powder：High chlorine
Sour potassium=20：15：75；The powder column medicine is pacified very much；
Embodiment 3：
In the present embodiment, lead for retractable pencil formula fires and installs detonator additional above element 2；1 material of Can is aluminium；The high-energy igniter charge
Composition be potassium picrate, red lead and potassium hyperchlorate, count in mass ratio, potassium picrate：Red lead：Potassium hyperchlorate=40：40：20；Institute
Stating powder column explosive component is heisuojin；
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (5)
1. a kind of lead for retractable pencil formula fires element, it is characterised in that：Including inner tube, lead for retractable pencil portion and loose priming, wherein the lead for retractable pencil
Portion is located at said inner tube internal upper part, and the pine priming is located at the lower section in the lead for retractable pencil portion in inner tube；Said inner tube length is 20
~25mm, inner tube outside diameter is φ 6.1~φ 14.4mm, internal diameter is φ 4.9~φ 5.1mm, and flash hole diameter is 3.0~φ of φ
4.0mm；The lead core length is 8~10mm, and the lead for retractable pencil portion includes outer layer and internal medicine core, and the cladding material is lead antimony
Alloy, the internal medicine core are high-energy igniter charge, and medicine core density is 1.1~1.3g/cm3, the composition of the high-energy igniter charge is
Potassium picrate, red lead and potassium hyperchlorate, are counted in mass ratio, potassium picrate：Red lead：Potassium hyperchlorate=30~60：20~40：10~
30, the high-energy igniter charge or use zirconium ignition charge, ingredient are zirconium powder, aluminium powder and potassium hyperchlorate, are counted in mass ratio, zirconium
Powder：Aluminium powder：Potassium hyperchlorate=17~25：10~17：58~75；The formula of the pine priming is Tai An and potassium chlorate, by matter
Amount is pacified very much than meter：Potassium chlorate=65~85：15~35, the pine priming single-shot explosive payload is 50~300mg, and press pressure
For 2~25MPa, a height of 1~8mm of medicine.
2. a kind of basal detonator for firing element and forming by claim 1, it is characterised in that：Including Can, the gold
Powder column medicine, bulk powder charge and lead for retractable pencil formula are set gradually in category shell from bottom to up and fires element, the lead for retractable pencil formula fires above element
Install delay element, electronic igniting element or detonator additional.
3. basal detonator according to claim 2, it is characterised in that：The Can material is steel, copper or aluminium, pipe range
60~100mm, Can outer diameter is φ 6~φ 15mm, internal diameter is φ 6.3~φ 14.5mm, and Can bottom is flat
Or concave bottom；Can surface color is uniform and smooth, free from flaw, without breakage.
4. basal detonator according to claim 2, it is characterised in that：The bulk powder charge is that pine dress is pacified very much, single-shot explosive payload
For 100~400mg, too peace bulk density is 0.60~1.20 g/cm3。
5. basal detonator according to claim 2, it is characterised in that：The powder column medicine, dress pressure, composition are black rope in two times
The present pacifies very much, and an explosive payload is 200~350mg, and single-shot product pressure is 74~135MPa；Secondary explosive payload be 100~
400mg, single-shot product pressure are 75~150MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810322.0A CN108917500B (en) | 2018-07-23 | 2018-07-23 | Lead core type blasting element and basic detonator composed of same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810322.0A CN108917500B (en) | 2018-07-23 | 2018-07-23 | Lead core type blasting element and basic detonator composed of same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108917500A true CN108917500A (en) | 2018-11-30 |
| CN108917500B CN108917500B (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810810322.0A Active CN108917500B (en) | 2018-07-23 | 2018-07-23 | Lead core type blasting element and basic detonator composed of same |
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| Country | Link |
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| CN (1) | CN108917500B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887413A (en) * | 2019-11-27 | 2020-03-17 | 西安航天动力研究所 | High insensitive miniaturized electric detonator |
| CN114105720A (en) * | 2021-12-01 | 2022-03-01 | 南京理工大学 | Non-priming-agent flame detonator containing insensitive ignition powder and Taian explosive |
| CN116444325A (en) * | 2023-03-23 | 2023-07-18 | 无锡盛景微电子股份有限公司 | Digital electronic detonator ignition agent and preparation method and application thereof |
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| WO2016020875A2 (en) * | 2014-08-06 | 2016-02-11 | Alba Manufacturing Corp. | An explosive booster |
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| CN2808662Y (en) * | 2005-04-25 | 2006-08-23 | 西安北方庆华机电集团有限公司 | Electric igniter tube for gas generator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887413A (en) * | 2019-11-27 | 2020-03-17 | 西安航天动力研究所 | High insensitive miniaturized electric detonator |
| CN114105720A (en) * | 2021-12-01 | 2022-03-01 | 南京理工大学 | Non-priming-agent flame detonator containing insensitive ignition powder and Taian explosive |
| CN116444325A (en) * | 2023-03-23 | 2023-07-18 | 无锡盛景微电子股份有限公司 | Digital electronic detonator ignition agent and preparation method and application thereof |
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| Publication number | Publication date |
|---|---|
| CN108917500B (en) | 2020-08-04 |
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