CN110132077A - A kind of large scale powder column exploding wires method of ignition and device - Google Patents

A kind of large scale powder column exploding wires method of ignition and device Download PDF

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Publication number
CN110132077A
CN110132077A CN201810133111.8A CN201810133111A CN110132077A CN 110132077 A CN110132077 A CN 110132077A CN 201810133111 A CN201810133111 A CN 201810133111A CN 110132077 A CN110132077 A CN 110132077A
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CN
China
Prior art keywords
powder column
large scale
wire
column
metal bridge
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.)
Pending
Application number
CN201810133111.8A
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Chinese (zh)
Inventor
李燕
余新乐
朱顺官
张琳
易镇鑫
袁彬
刘庆安
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Nanjing University of Science and Technology
Original Assignee
Nanjing University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing University of Science and Technology filed Critical Nanjing University of Science and Technology
Priority to CN201810133111.8A priority Critical patent/CN110132077A/en
Publication of CN110132077A publication Critical patent/CN110132077A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D1/00Blasting methods or apparatus, e.g. loading or tamping

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

The invention discloses a kind of priming devices and method using the big powder column of wire explosion detonation, comprising: high-desity explosive column, metal bridge wire and powder column confinement sleeve and high-tension circuit.The high-desity explosive column center processing is portalled, and aperture is arranged at powder column confinement sleeve bottom.The detonation includes confinement sleeve, high-desity explosive column and metal bridge wire, and the high-density center has hole, and the confinement sleeve bottom processes aperture, and metal bridge wire runs through the hole at powder column center, and both ends are connected with high temperature wire.Present invention employs igniter wires to detonate directly explosive column, without using priming and causing medicine, so that the present invention not only can make entire initiation process rapider, moreover it is possible to which a possibility that reducing accidental explosion effectively improves safety.

Description

A kind of large scale powder column exploding wires method of ignition and device
Technical field
The invention belongs to exploding wires detonating charge fields, more particularly to a kind of large scale powder column exploding wires method of ignition.
Background technique
Igniter wire detonating charge due to having the advantages that using easy, low in cost and high-efficient, engine ignition, It is widely used in a variety of applications in expansion, self-desttruction equipment and blasting bolt of folding wings etc..In practical application, electromagnetic interference with And the harm of stray electrical current is easy to cause general heat bridge silk that accidental ignition occurs.And exploding wires detonating charge is utilized, it can be substantially The safety for improving initiation system, accidental explosion is less likely to occur under complex environment, can substantially reduce down to a certain degree A possibility that safety accident occurs.
Exploding bridge wire detonator initiation process used at present is igniter wire explosion detonation initiation medicine, then by initiation medicine to main dress Medicine detonates.The structure of detonator is complex, and since size is smaller, dose also will receive certain limitation.
Zhu of China National Offshore Oil Corporation provides a kind of the quick-fried of non-priming into elementary patent CN201497438U Fried igniter wire electric cap, can be effectively prevented the generation of accidental explosion, improve its safety.But the exploding bridge wire detonator knot Structure is more complicated, size is smaller, the large scale that cannot detonate powder column.
Summary of the invention
The present invention provides a kind of large scale powder column exploding wires methods of ignition.By this method solve occur accidental explosion, Export the small problem of energy.
Realize the object of the invention technical solution are as follows: a kind of large scale powder column exploding wires method of ignition, which is characterized in that The following steps are included:
(1) parameters such as pressure, dose are set and prepare powder column using mold;
(2) 5-15 powder column is placed loaded in confinement sleeve;
(3) it is embedded in metal bridge wire, Ni-Cr, copper wire, aluminium wire and tungsten wire etc. can be used in the material of metal bridge wire, and diameter is Ф0.09-0.2mm;
(4) it is connected to circuit and detonation, capacitance size is 10-50 μ F, and detonation voltage range is 3kV-8kV.
Compared with prior art, the present invention its major advantage is:
(1) present invention uses wire detonating charge, does not use priming, so that fire point of the present invention is high, is not susceptible to Accidental explosion greatly increases safety.
(2) present invention can detonate large scale powder column, improve fan-out capability.
It (3), can more simple and effective ground detonating charge this invention simplifies the structure of priming device.
Detailed description of the invention
Embodiments of the present invention are described further with reference to the accompanying drawing:
Fig. 1 shows priming device schematic diagram of the invention;
Fig. 2 shows method of ignition flow charts of the invention.
Specific embodiment
Combined with specific embodiments below, the present invention is furture elucidated, it should be understood that embodiment be merely to illustrate the present invention without For limiting the scope of the invention.
Embodiment 1
A kind of large scale powder column exploding wires method of ignition, includes high-desity explosive column in the method for ignition, metal bridge wire and Powder column confinement sleeve and high-tension circuit, it is characterised in that include the steps that following sequence:
(1) reasonable parameter is set and prepares powder column using mold: using triethylene diamine ethylenediamine perchlorate (SY) Explosive is exported as high energy;The mold internal diameter of selection is Ф 30mm, is highly 4mm, and it is Ф that base center, which has a diameter, 0.1mm, length are the stainless steel column of 4mm;The dose of each SY powder column is 500mg, and compression moulding under the conditions of 60Mpa can obtain To powder column with holes, aperture is Ф 0.1mm, and the density of powder column is 1.67g/cm3
(2) place several powder columns loaded in confinement sleeve: the material of confinement sleeve uses polycarbonate, processed, obtains Internal diameter is Ф 30mm, is highly 45mm, and with a thickness of the casing of 1mm, bottom centre is drilled with aperture, and aperture is Ф 2mm;Place 10 SY powder column is in confinement sleeve made from a pressure.
(3) it is embedded in metal bridge wire;Using nickel filament as exploding wires, component ratio is Ni80% and Cr20%, and diameter is Ф 0.15mm, length 50mm are embedded wire into the hole of SY powder column and casing;By wire both ends and high temperature wire phase Even, high temperature wire is made of insulation sheath and galvanized copper wire, and the length is 2000-3000mm, outer diameter 3mm, resistance is less than 500mΩ。
(4) connection forms circuit and detonates: circuit is high-voltage pulse circuit, and wherein capacitance size is 50 μ F;To large scale Powder column detonates.
Embodiment 2
The Metal wire material of the present embodiment is aluminium wire, and diameter is Ф 0.1mm, and the dose of each SY powder column is 550mg, aperture For 0.2mm, remaining is same as Example 1.
Embodiment 3:
The Metal wire material of the present embodiment is tungsten wire, and diameter is Ф 0.3mm, and the aperture of SY powder column is 0.5mm, shell material Polymethyl methacrylate is selected, remaining is same as Example 1.
Detonation threshold voltage and burst time in embodiment 1-3 is as shown in table 1.
Table 1
Shown in sum up, the above is merely preferred embodiments of the present invention, it is not intended to limit the scope of the present invention, Therefore any modification, equivalent substitution, improvement and etc. done within the spirit and principles of the present invention, should be included in the present invention Protection scope within.

Claims (10)

1. a kind of large scale powder column exploding wires method of ignition, it is characterised in that: include the following steps
1) setting medicament dose is 500mg, is compressed into powder column under 50-100MPa pressure condition, in the mold base The heart has the stainless steel column of minute diameter, and diameter range 0.01-0.1mm, obtaining center bore is Ф 0.01-0.1mm's Powder column;
2) it is stacked and is loaded in confinement sleeve according to several powder columns of plasting damage effect demand placement, each powder column is made to be in same axle center On line;
3) setting metal bridge wire passes through several powder column central through holes and is embedded in powder column;
4) two electrode needles being connected with metal bridge wire both ends are connected to circuit and detonated.
2. the large scale powder column exploding wires method of ignition according to claim 1, it is characterised in that: the confinement sleeve by Polycarbonate is made, and its bottom processes aperture, and pore diameter range is Ф 1-3mm.
3. the large scale powder column exploding wires method of ignition according to claim 1, it is characterised in that: the metal bridge wire is adopted With nickel filament, diameter range is 0.09~0.2mm, and metal bridge wire material also uses copper wire, aluminium wire and tungsten wire.
4. the large scale powder column exploding wires method of ignition according to claim 1, it is characterised in that: the circuit is high pressure Impulse circuit.
5. the large scale powder column exploding wires method of ignition according to claim 1, it is characterised in that: the medicament uses three Ethylene diamine ethylenediamine perchlorate, Tai An or hexogen.
6. a kind of large scale powder column exploding wires priming device, it is characterised in that: the priming device is that several powder columns are stacked and are loaded on Confinement sleeve, and each powder column is on same axial line;Powder column center is equipped with through-hole, and metal bridge wire passes through several powder column centers Through-hole is simultaneously embedded in powder column, and two connected electrode needles of both ends are connected to circuit.
7. large scale powder column exploding wires priming device according to claim 6, it is characterised in that: the confinement sleeve by Polycarbonate is made, and its bottom processes aperture, and pore diameter range is Ф 1-3mm.
8. large scale powder column exploding wires priming device according to claim 6, it is characterised in that: the metal bridge wire is adopted With nickel filament, diameter range is 0.09~0.2mm, and metal bridge wire material also uses copper wire, aluminium wire and tungsten wire.
9. large scale powder column exploding wires priming device according to claim 6, it is characterised in that: the circuit is high pressure Impulse circuit.
10. large scale powder column exploding wires priming device according to claim 6, it is characterised in that: the medicament uses Triethylene diamine ethylenediamine perchlorate, Tai An or hexogen.
CN201810133111.8A 2018-02-09 2018-02-09 A kind of large scale powder column exploding wires method of ignition and device Pending CN110132077A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810133111.8A CN110132077A (en) 2018-02-09 2018-02-09 A kind of large scale powder column exploding wires method of ignition and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810133111.8A CN110132077A (en) 2018-02-09 2018-02-09 A kind of large scale powder column exploding wires method of ignition and device

Publications (1)

Publication Number Publication Date
CN110132077A true CN110132077A (en) 2019-08-16

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CN (1) CN110132077A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112197658A (en) * 2020-09-27 2021-01-08 广州市第二市政工程有限公司 Method for assisting in escaping from mud of pile hammer of punched pile through underwater mini-type blasting
CN114382611A (en) * 2021-12-10 2022-04-22 湖北三江航天江河化工科技有限公司 Preparation method of freely-filled metal wire embedded explosive column

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101570459A (en) * 2008-04-30 2009-11-04 南京理工大学 Ethylenediamine perchlorate.triethylene diamine perchlorate eutectic initiating explosive and preparation method thereof
CN103065918A (en) * 2012-11-21 2013-04-24 中国科学院微电子研究所 Electrode introducing structure
CN203190900U (en) * 2013-04-03 2013-09-11 山东圣世达化工有限责任公司 Explosive-head-free type digital electronic detonator
CN105674818A (en) * 2016-02-03 2016-06-15 西安贯通能源科技有限公司 Method driving energetic electrode to release energy and produce shock waves by high-voltage discharge
US20170016297A1 (en) * 2014-04-04 2017-01-19 Halliburton Energy Services, Inc. Downhole Severing Tools Employing A Two-Stage Energizing Material And Methods For Use Thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101570459A (en) * 2008-04-30 2009-11-04 南京理工大学 Ethylenediamine perchlorate.triethylene diamine perchlorate eutectic initiating explosive and preparation method thereof
CN103065918A (en) * 2012-11-21 2013-04-24 中国科学院微电子研究所 Electrode introducing structure
CN203190900U (en) * 2013-04-03 2013-09-11 山东圣世达化工有限责任公司 Explosive-head-free type digital electronic detonator
US20170016297A1 (en) * 2014-04-04 2017-01-19 Halliburton Energy Services, Inc. Downhole Severing Tools Employing A Two-Stage Energizing Material And Methods For Use Thereof
CN105674818A (en) * 2016-02-03 2016-06-15 西安贯通能源科技有限公司 Method driving energetic electrode to release energy and produce shock waves by high-voltage discharge

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王海亮等: "《工程爆破》", 31 January 2008 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112197658A (en) * 2020-09-27 2021-01-08 广州市第二市政工程有限公司 Method for assisting in escaping from mud of pile hammer of punched pile through underwater mini-type blasting
CN114382611A (en) * 2021-12-10 2022-04-22 湖北三江航天江河化工科技有限公司 Preparation method of freely-filled metal wire embedded explosive column
CN114382611B (en) * 2021-12-10 2023-02-03 湖北三江航天江河化工科技有限公司 Preparation method of freely-filled metal wire embedded explosive column

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Application publication date: 20190816

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