CN104402660A - High-energy nonel tube - Google Patents
High-energy nonel tube Download PDFInfo
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- CN104402660A CN104402660A CN201410591948.9A CN201410591948A CN104402660A CN 104402660 A CN104402660 A CN 104402660A CN 201410591948 A CN201410591948 A CN 201410591948A CN 104402660 A CN104402660 A CN 104402660A
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- dnt
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Abstract
The invention discloses a high-energy nonel tube. According to the invention, a non-metal material such as plastic is adopted as a housing packaging material used for packaging an agent of dinitrotoluene (DNT), hexogen (RDX) and pentaerythrite tetranitrate (PETN), or a combination of two selected from the above, or a combination of three selected from the above. The nonel tube comprises the following raw materials, by mass: 15-95% of DNT and 5-85% of RDX or PETN. With a current nonel tube, detonation waves are passed with a low speed, such that only an ignition effect is provided, and the explosives cannot be detonated. In the core of the high-energy nonel tube provided by the invention, non-energetic elemental explosive proportion is relatively high, such that the above situation is changed. With the high-energy nonel tube, explosion can be propagated, and explosives can be directly detonated. The production cost is relatively low, and the structure of the nonel tube is simple. The production process is relatively simple.
Description
Technical field
The present invention relates to industrial explosive material field, particularly relate to a kind of composition of high-energy primacord.
Background technology
Flexiplast primacord is the chief component of non-electric initiation system, is also called nonel tube or Nonel pipe.Primacord is early 1970s invention, and China succeeded in developing in late 1970s.Primacord utilizes pipe effect to carry out low energy low speed and transmits detonation wave.Ignite delay powder or priming explosive, makes blasting cap detonation, and then primary explosive, realizes non-electric blasting.
The work of Non-electric Igniting Nonel Detonators system provides the initiation energy of some strength in initiation ends by detonation element, primacord excite by this energy, and with the velocity-stabilization of 1800 ~ 2000m/s ground propagation of explosion, ignite the device that detonates of the other end, as carried out the explosion of many rounds big area, then by inside, the contiguous block of Miniature detonator is housed or millisecond branching unit forms blasting network, energy is handed on step by step, realizes big area explosion.
High-energy primacord will be full of organism or explosive exactly in pipe, such primacord has the energy of direct initiation explosive.
At present, China militarily with civilian on the primacord fuse that uses mainly contain five kinds, be respectively common primacord fuse, coal permissible detonating cord, powerful primacord fuse, low energy fuse and metal casing primacord fuse.Wherein, common primacord fuse is the maximum primacord fuse of China's usage quantity.Existing common primacord fuse one has two kinds, and one is cotton thread primacord fuse, and one is plastic detonating cord.But the core medicine of these industrial detonating fuses is pure high energy single chmical compound explosive, be generally RDX (Cyclotrimethylene trinitramine) or PETN (pacifying very much).The various sensitivity of this high energy single chmical compound explosive are higher, and comparatively responsive, hazard level is higher, and price is higher.Therefore, core medicine is that the industrial detonating fuse production security of pure high energy single chmical compound explosive is lower, and production process is more dangerous, and meanwhile, production cost is higher.And DNT (dinitrotoluene (DNT)) is generally used for dyestuff, wide material sources, but there is explosivity, can be detonated by very strong priming charge.
Recent years, increasing people studies various primacord fuse, has had many patents in this respect, such as May in 2011 Shen Qing Publication on the 18th China's No. 2010543361 patent, the name of this patent is called a kind of Novel coal permissible detonating cord.The core medicine that this kind of coal permissible detonating cord adopts is mixed core medicine, and its component is halogenation straight-chain paraffin or halogenation naphthenic hydrocarbon and high energy single chmical compound explosive.Although this kind of coal permissible detonating cord decreases high energy single chmical compound explosive explosive load, reduce the danger of production to a certain extent, reduce the quick-fried temperature of medicine core, but its complicated structure, the proportion of the non-high energy single chmical compound explosive amount added is less, makes production cost higher.Meanwhile, the halogenation straight-chain paraffin added or halogenation naphthenic hydrocarbon are the primacord fuses for allowed for use in coal mines, instead of the general industry primacord fuse that turnout is maximum.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of composition simple, can the high-energy primacord of direct initiation explosive.
A kind of high-energy primacord, it comprises the shell and coated primer therein be made up of non-metallic material, described primer is DNT or mixing primer, and described mixing primer comprises the raw material of following mass percent: DNT:15%-95%, RDX or PETN:5%-85%.
High-energy primacord of the present invention, wherein said primer also comprises the tackiness agent that mass ratio is 1%-5%, and described binding agent is the mixture of one or more in contracting methylcellulose gum, shellac, polyvinyl alcohol, nitro-cotton, gelatin, peach gum, dextrin.
High-energy primacord of the present invention, wherein said mixing primer consist of following several in one, per-cent is mass ratio:
(1) DNT:90%, RDX or PETN:5%, contracting methylcellulose gum: 2%, shellac 3%;
(2) DNT:15%, RDX or PETN:82%, nitro-cotton 1%, gelatin 1%, peach gum 1%;
(3) DNT:30%, RDX:40%, PETN:29%, contracting methylcellulose gum: 0.2%, shellac: 0.1%, polyvinyl alcohol: 0.2%, dextrin: 0.1%, nitro-cotton 0.1%, gelatin 0.1%, peach gum 0.2%;
(4) DNT:76%, RDX:5%, PETN:14%, contracting methylcellulose gum: 0.2%, shellac: 0.1%, polyvinyl alcohol: 0.2%, dextrin: 0.1%, nitro-cotton 0.1%, gelatin 0.1%, peach gum 0.2%.
High-energy primacord of the present invention, wherein said non-metallic material are high-pressure polyethylene, low pressure polyethylene or polyvinyl chloride, and the external diameter of described shell is 2.8-5.8mm, and internal diameter is 2.2-5.2mm.
High-energy primacord of the present invention, wherein said high-energy primacord also comprises three heart yearns, coated by described primer; Also comprise back-up coat in the outside of described shell, described back-up coat is made up of plastics, nylon or other macromolecule organic materials.
High-energy primacord of the present invention, when wherein primer is DNT, explosive load is 18-30g, and when primer is for mixing primer, explosive load is 8-20g.
A kind of industrial detonating fuse comprising above-mentioned high-energy primacord described in any one.
High-energy primacord difference from prior art of the present invention is: high-energy primacord of the present invention can improve the security that general industry primacord fuse is produced, the production cost reducing general industry primacord fuse, the invention provides a kind of is not the material of high explosive, i.e. dinitrotoluene (DNT) (DNT), mix with high energy single chmical compound explosive RDX (Cyclotrimethylene trinitramine) and PETN (pacifying very much), make mixed core medicine, the structure of its primacord fuse still can adopt the structure of common primacord fuse in the past.
The invention also discloses a kind of industrial primer pipe, traditional primacord fuse structure is very complicated, comprise heart yearn, core medicine, interior lines layer, center line layer, pitch, paper slip layer, dope layer, moisture-proof barrier, and the present invention just can play the blasting effect of above-mentioned all structures by means of only an industrial primer pipe, the costs such as structure is simple, with low cost, make easily, transport also have and greatly reduce, and effect is very good.
General industry primacord fuse containing DNT mixed core medicine of the present invention is compared with the general industry primacord fuse of the pure core medicine of employing before, and this novel general industry primacord fuse production security is higher, and cost is lower, and structure is simple; Compared with the primacord fuse of prior art, the proportion of the non-high energy single chmical compound explosive in this novel general industry primacord fuse core medicine component is larger, and production cost is lower, and meanwhile, structure is simple, and production process is simpler.High-energy primacord of the present invention with non-metallic material such as plastics for outer cover packaging material, coated dinitrotoluene (DNT), hexogen, the medicament that Tai'an or two joint groups close or three combines mutually; Comprise the raw material of following mass percent: DNT:15%-95%, RDX or PETN:5%-85%.The proportion of the non-high energy single chmical compound explosive in the medicine core of high-energy primacord of the present invention is larger, change current primacord low speed to transmit detonation wave and can only play ignition action and can not the present situation of primary explosive, high-energy primacord not only can propagation of explosion, and can direct initiation explosive.
The present invention utilizes the drawing device of existing primacord, explosive load is added the function that ambassador's high-energy primacord has direct initiation explosive.Be exactly add the safety in DNT reduction mechanical sensitivity guarantee production in addition, and significantly reduce costs, manufacturing process is simple.Also there is the effect of water resistant simultaneously.Also powder charge continuous uniform can be ensured in conjunction with the structure of traditional industry primacord fuse three cotton thread band drug cores, and skin eliminates the complex construction be repeatedly wound around of traditional industry primacord fuse, outer directly with plastic coat, if consider to increase packaging intensity, skin can use plastics extruder extrusion plastic at twice, can increase outer field intensity like this, reaches minimizing explosive load, strengthen the ability of primary explosive, use more reliable in the big gun hole of this mixed loading emulsion explosive at the scene.
Below in conjunction with accompanying drawing, high-energy primacord of the present invention is described further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention's industry primacord.
Embodiment
Embodiment 1
As shown in Figure 1, a kind of high-energy primacord, comprise the shell 1 and coated primer 2 therein be made up of non-metallic material, described primer 2 is DNT, and the external diameter of described shell is 5mm, and internal diameter is 2.5-3mm.The explosive load of described primer 2 is every meter of 18-30g.Described non-metallic material are high-pressure polyethylene, low pressure polyethylene or polyvinyl chloride, and the external diameter of described shell is 2.8-5.8mm, and internal diameter is 2.2-5.2mm.
On the basis of above structure, preferably, described high-energy primacord also comprises three heart yearns, coated by described primer; Also comprise back-up coat in the outside of described shell, described back-up coat is made up of plastics, nylon or other macromolecule organic materials.
Embodiment 2
Be with the difference of embodiment 1: described primer 2 is for mixing primer, and explosive load is every meter of 8-20g.Described mixing primer comprises the raw material of following mass percent: DNT:15%, RDX or PETN:85%.
Embodiment 3
Be with the difference of embodiment 2: the described raw material mixing primer and comprise following mass percent:
DNT:95%, RDX or PETN:5%.
Embodiment 4
Be with the difference of embodiment 2: the described primer that mixes is made up of the raw material of following mass percent:
DNT:80%, RDX or PETN:15%, tackiness agent: 5%.Described binding agent is the mixture of one or more in contracting methylcellulose gum, shellac, polyvinyl alcohol, nitro-cotton, gelatin, peach gum, dextrin.
Embodiment 4
Be with the difference of embodiment 2: the described primer that mixes is made up of the raw material of following mass percent:
DNT:49%, RDX or PETN:50%, tackiness agent: 1%.Described binding agent is the mixture of one or more in contracting methylcellulose gum, shellac, polyvinyl alcohol, nitro-cotton, gelatin, peach gum, dextrin.
Embodiment 5
Be with the difference of embodiment 2: the described primer that mixes is made up of the raw material of following mass percent:
DNT:80%, RDX or PETN:15%, contracting methylcellulose gum: 2%, shellac 3%.
Embodiment 6
Be with the difference of embodiment 2: the described primer that mixes is made up of the raw material of following mass percent:
DNT:15%, RDX or PETN:82%, nitro-cotton 1%, gelatin 1%, peach gum 1%.
Embodiment 7
Be with the difference of embodiment 2: the described primer that mixes is made up of the raw material of following mass percent: DNT:30%, RDX:40%, PETN:29%, contracting methylcellulose gum: 0.2%, shellac: 0.1%, polyvinyl alcohol: 0.2%, dextrin: 0.1%, nitro-cotton 0.1%, gelatin 0.1%, peach gum 0.2%.
Embodiment 8
Be with the difference of embodiment 2: the described primer that mixes is made up of the raw material of following mass percent: DNT:76%, RDX:5%, PETN:14%, contracting methylcellulose gum: 0.2%, shellac: 0.1%, polyvinyl alcohol: 0.2%, dextrin: 0.1%, nitro-cotton 0.1%, gelatin 0.1%, peach gum 0.2%.
Embodiment 9
Be with the difference of embodiment 2: the described primer that mixes is made up of the raw material of following mass percent:
Dinitrotoluene (DNT) (DNT) 16%,
Cyclotrimethylene trinitramine (RDX) 81%,
Contracting methylcellulose gum 3%.
Above-mentioned raw materials is mixed, then makes the mixing medicine core 2 with the same size before with explosive leading cable producing machine, finally make novel general industry primacord fuse according to the original operation making common primacord fuse.
Embodiment 10
Be with the difference of embodiment 2: the described primer that mixes is made up of the raw material of following mass percent:
Dinitrotoluene (DNT) (DNT) 19%,
Pacify (PETN) 77% very much,
Contracting methylcellulose gum 4%,
Above-mentioned raw materials is mixed, then makes the mixing medicine core 2 with the same size before with explosive leading cable producing machine, finally make novel general industry primacord fuse according to the original operation making common primacord fuse.
Embodiment 11
Be with the difference of embodiment 2: the described primer that mixes is made up of the raw material of following mass percent:
Dinitrotoluene (DNT) (DNT) 20%,
Cyclotrimethylene trinitramine (RDX) 79%,
Shellac 1%.
Embodiment 12
Be with the difference of embodiment 2: the described primer that mixes is made up of the raw material of following mass percent:
Dinitrotoluene (DNT) (DNT) 80%,
Pacify (PETN) 18% very much,
Gelatin 2%.
Embodiment 13
Be with the difference of embodiment 2: the described primer that mixes is made up of the raw material of following mass percent:
Dinitrotoluene (DNT) (DNT) 40%,
Cyclotrimethylene trinitramine (RDX) 56%,
Polyvinyl alcohol 4%.
Embodiment 14
Be with the difference of embodiment 2: the described primer that mixes is made up of the raw material of following mass percent:
Dinitrotoluene (DNT) (DNT) 74%,
Cyclotrimethylene trinitramine (RDX) 24%,
Nitro-cotton 2%.
Embodiment 15
A kind of industrial detonating fuse comprising high-energy primacord in embodiment 1-14 described in any one.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (7)
1. a high-energy primacord, it is characterized in that: comprise the shell and coated primer therein be made up of non-metallic material, described primer is DNT or mixing primer, described mixing primer comprises the raw material of following mass percent: DNT:15%-95%, RDX or PETN:5%-85%.
2. high-energy primacord according to claim 1, it is characterized in that: described primer also comprises the tackiness agent that mass ratio is 1%-5%, described binding agent is the mixture of one or more in contracting methylcellulose gum, shellac, polyvinyl alcohol, nitro-cotton, gelatin, peach gum, dextrin.
3. high-energy primacord according to claim 2, is characterized in that: described mixing primer consist of following several in one, per-cent is mass ratio:
(1) DNT:90%, RDX or PETN:5%, contracting methylcellulose gum: 2%, shellac 3%;
(2) DNT:15%, RDX or PETN:82%, nitro-cotton 1%, gelatin 1%, peach gum 1%;
(3) DNT:30%, RDX:40%, PETN:29%, contracting methylcellulose gum: 0.2%, shellac: 0.1%, polyvinyl alcohol: 0.2%, dextrin: 0.1%, nitro-cotton 0.1%, gelatin 0.1%, peach gum 0.2%;
(4) DNT:76%, RDX:5%, PETN:14%, contracting methylcellulose gum: 0.2%, shellac: 0.1%, polyvinyl alcohol: 0.2%, dextrin: 0.1%, nitro-cotton 0.1%, gelatin 0.1%, peach gum 0.2%.
4. high-energy primacord according to claim 1, is characterized in that: described non-metallic material are high-pressure polyethylene, low pressure polyethylene or polyvinyl chloride, and the external diameter of described shell is 2.8-5.8mm, and internal diameter is 2.2-5.2mm.
5. high-energy primacord according to claim 4, is characterized in that: described high-energy primacord also comprises three heart yearns, coated by described primer; Also comprise back-up coat in the outside of described shell, described back-up coat is made up of plastics, nylon or other macromolecule organic materials.
6. high-energy primacord according to claim 1, is characterized in that: when primer is DNT, every meter of explosive load is 18-30g, and when primer is for mixing primer, explosive load is 8-20g.
7. one kind comprises the industrial detonating fuse of the high-energy primacord in claim 1-6 described in any one claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410591948.9A CN104402660A (en) | 2014-10-29 | 2014-10-29 | High-energy nonel tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410591948.9A CN104402660A (en) | 2014-10-29 | 2014-10-29 | High-energy nonel tube |
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| CN104402660A true CN104402660A (en) | 2015-03-11 |
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| CN201410591948.9A Pending CN104402660A (en) | 2014-10-29 | 2014-10-29 | High-energy nonel tube |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108203362A (en) * | 2018-02-07 | 2018-06-26 | 惠州中特特种爆破技术工程有限公司 | A kind of production method of primacord pack |
| CN109400430A (en) * | 2018-12-07 | 2019-03-01 | 无锡市伟达化工有限公司 | A kind of manufacture craft of modified detonator core medicine |
| BE1029003B1 (en) * | 2021-07-27 | 2022-08-16 | Univ Anhui Sci & Technology | High energy detonation tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1196435A (en) * | 1967-06-26 | 1970-06-24 | Trojan Powder Co | Process and Apparatus for Preparing Detonating and Deflagrating Fuse and Product |
| CN200972373Y (en) * | 2006-11-29 | 2007-11-07 | 山东银光科技有限公司 | Composite high strength plastic detonating tube |
| CN103486910A (en) * | 2013-09-27 | 2014-01-01 | 安徽理工大学 | Cooperative blasting charge structure and charge method thereof |
| CN103896696A (en) * | 2012-12-28 | 2014-07-02 | 新时代民爆（辽宁）股份有限公司 | Detonator |
| CN104098416A (en) * | 2014-07-23 | 2014-10-15 | 安徽理工大学 | Complex primary explosive containing DNT |
-
2014
- 2014-10-29 CN CN201410591948.9A patent/CN104402660A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1196435A (en) * | 1967-06-26 | 1970-06-24 | Trojan Powder Co | Process and Apparatus for Preparing Detonating and Deflagrating Fuse and Product |
| CN200972373Y (en) * | 2006-11-29 | 2007-11-07 | 山东银光科技有限公司 | Composite high strength plastic detonating tube |
| CN103896696A (en) * | 2012-12-28 | 2014-07-02 | 新时代民爆（辽宁）股份有限公司 | Detonator |
| CN103486910A (en) * | 2013-09-27 | 2014-01-01 | 安徽理工大学 | Cooperative blasting charge structure and charge method thereof |
| CN104098416A (en) * | 2014-07-23 | 2014-10-15 | 安徽理工大学 | Complex primary explosive containing DNT |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108203362A (en) * | 2018-02-07 | 2018-06-26 | 惠州中特特种爆破技术工程有限公司 | A kind of production method of primacord pack |
| CN109400430A (en) * | 2018-12-07 | 2019-03-01 | 无锡市伟达化工有限公司 | A kind of manufacture craft of modified detonator core medicine |
| BE1029003B1 (en) * | 2021-07-27 | 2022-08-16 | Univ Anhui Sci & Technology | High energy detonation tube |
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Application publication date: 20150311 |