CN1517325A - High-performance powdered ammonium-oil oxplosive and its manufacturing method - Google Patents
High-performance powdered ammonium-oil oxplosive and its manufacturing method Download PDFInfo
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- CN1517325A CN1517325A CNA031126960A CN03112696A CN1517325A CN 1517325 A CN1517325 A CN 1517325A CN A031126960 A CNA031126960 A CN A031126960A CN 03112696 A CN03112696 A CN 03112696A CN 1517325 A CN1517325 A CN 1517325A
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- ammonium nitrate
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- octadecane amine
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Abstract
A high-performance powdered ammonium-oil explosive is prepared from ammonium nitrate (89-97 wt.%), composite oil phase (2.8-7) and wood powder (0.1-4) through dissolving ammonium nitrate in water, mixing with composite oil phase at 80-120 deg.c, high-speed stirring to form oil-in-water system, pumping it in a vacuum container, vacuum drying, mixing with wood powder, and cooling. Its advantage is high exploding and water-proof performance.
Description
Technical field under in the of one
The present invention relates to a kind of ammoniumnitrate explosives and method for making thereof, a kind of especially high-performance powdered ammonium nitrate-fuel oil explosive and method for making thereof.
Two background technologies
Known No. 2 rock an-tnt explosives exist and contain shortcomings such as poisonous component tritonal, higher, the easy moisture absorption caking of product cost; Production technique be between breaking process, its production technique mainly contains two kinds: the one, after ammonium nitrate wheel rolled the nitre drying, ammonium nitrate mixed with the rolling of wood powder and tritonal; The 2nd, behind the air stream drying of ammonium nitrate, ammonium nitrate mixes with the rolling of wood powder and tritonal.There is the weak point that explosive density is on the low side, the unit volume power is not high and water repelling property is not good in ammoniumnitrate explosives among the CN91107051.6; Its production technique is made up of expanded operation and mixed pharmaceutical worker's preface; Expanded operation comprises the dissolving of ammonium nitrate, the vacuum crystallization of ammonium nitrate solution; Mixing pharmaceutical worker's preface is the ammonium nitrate of modification and mixing of wood powder, compound oil phase material.Ammoniumnitrate explosives among No. 2 rock an-tnt explosives and the CN91107051.6 all must be finished production process in plural worker-house, the production site floor space is big, and needed worker-house area is also big, and the producers that need are many, is unfavorable for continuously and safety in production.
Three summary of the invention
The object of the present invention is to provide a kind of nontoxic, blast performance is superior, have certain water repelling property, and simple high-performance powdered ammonium nitrate-fuel oil explosive of production technique and method for making thereof.
The technical solution that realizes the object of the invention is: a kind of high-performance powdered ammonium nitrate-fuel oil explosive, it is characterized in that it is to be formed by following component and prescription (quality %) combination drying: ammonium nitrate 89～97, compound oil phase material 2.8～7, wood powder 0.1～4, compound oil phase material is made up of following component and proportioning (quality %): machine oil 0.1～40, compound wax 25～97, paraffin 0.1～30, octadecane amine salt 2.8～5, the octadecane amine salt can be: octadecane amine nitrate, the octadecane amine hydrochlorate, octadecane amine vitriol, octadecane amine phosphate or octadecane amine acetate.
The manufacturing technology steps of above-mentioned high-performance powdered ammonium nitrate-fuel oil explosive is: the first step is dissolved 6%～14% the water that common ammonium nitrate adds the ammonium nitrate quality, and the solution temperature after the dissolving is 110～140 ℃; Second step carried out melt-blended at 80～120 ℃ compound oil phase material; The 3rd step is under high-speed stirring, compound oil phase material is dispersed in the ammonium nitrate solution, form the oil-in-water-type dispersion system: the 4th step, with the suction speed of 30～60kg/min ammonium nitrate-compound oil phase dispersion system being squeezed into a vacuum tightness continuously is-0.085～-vacuum tank of 0.095Mpa in, carry out vacuum-drying; The 5th step, the material after the vacuum-drying is mixed with wood powder in a spiral, and the gained material is cooled to carries out powder charge below 40 ℃, promptly make the high-performance powdered ammonium nitrate-fuel oil explosive.
Principle of the present invention is: the one, and according to the zero oxygen balance principle of industrial mixed explosive, the prescription of design high-performance powdered ammonium nitrate-fuel oil explosive; The 2nd, oxygenant ammonium nitrate is to mix in liquid molecularity with the compound oil phase of combustible agent, thereby the mixing uniformity raising of mixing uniformity ratio under solid state, and the blast performance of gained explosive also obviously improves, and has certain water repelling property; The 3rd, the oil-in-water-type dispersion system adopts vacuum drying process, to improve drying efficiency, makes the high-performance powdered ammonium nitrate-fuel oil explosive.
The present invention compared with prior art, its remarkable advantage is: 1. oxygenant ammonium nitrate is to mix in liquid molecularity with the compound oil phase of combustible agent, the blast performance of gained explosive obviously improves, wherein explosion velocity 3600～4200m/s (32mm powder stick), brisance 15～18mm, gap distance 6～14cm; 2. explosive has certain water repelling property, and the gap distance after the immersion is greater than 4cm; 3. employing vacuum drying process, the moisture content in the explosive is near zero; 4. manufacture method is simple, finishes production process in a worker-house, and needed worker-house area is little, and the producers that need are few, are suitable for automatization and continuous industry production.
Four embodiments
The invention will be further described below in conjunction with embodiment:
Embodiment 1.With industrial production 100kg powdered ammonium nitrate-fuel oil explosive is selection, select component and quality proportioning to be: ammonium nitrate 94.4%, compound oil phase material 5.5%, wood powder 0.1%, wherein the component of compound oil phase material and quality proportioning are: machine oil 35%, paraffin 5%, compound wax 56%, octadecane amine nitrate 4%.
According to said components and proportioning, implementation step is as follows:
The first step: take by weighing 94.5kg ammonium nitrate, add 7.56kg water, heating makes its solution, and is warming up to 130 ℃.
Second step: take by weighing 2.475kg machine oil, 0.275kg paraffin, 2.53kg compound wax and 0.22kg octadecane amine nitrate, melt at 90 ℃.
The 3rd step: oil phase material is dispersed in the aqueous ammonium nitrate solution, forms the oil-in-water-type dispersion system.
The 4th step: with the dispersion system in the 3rd step,, be drawn to vacuum tightness and be-0.085 with the suction speed of 30kg/min～-vacuum tank of 0.095Mpa in, carry out vacuum-drying and slough moisture.
The 5th step: remove the vacuum of vacuum tank, in gains, add the 0.1kg wood powder, and be cooled to below 40 ℃,, be product through packing and vanning again in the spiral medicine charge machine powder charge.
After tested, the above-mentioned product performance that make are: when charge diameter is 32mm, charge density 0.90～0.93g/cm
3The time, explosion velocity of explosive is 3876m/s, brisance 16.90mm, gap distance 10cm.
Embodiment 2.Be example with industrial production 100kg powdery industry ammonium nitrate-fuel oil mixture still, the component of selection and quality proportioning are: ammonium nitrate 93..9%, compound oil phase material 6.0%, wood powder 0.1%, wherein compound oil phase material is: machine oil 0.1%, compound wax 80%, paraffin 16%, octadecane amine acetate 4%.
Operate according to embodiment 1 described implementation step and can make product.After tested, the performance of product is: when charge diameter is 32mm, and charge density 0.92～0.96g/cm
3The time, explosion velocity 3940m/s, brisance 16.1mm, gap distance 11cm, the 1h that in the dark water of 1m, soaks, gap distance is 4cm, shows that this explosive has certain water repelling property.
Embodiment 3.Be example still with industrial production 100kg powdered ammonium nitrate-fuel oil explosive, component and the quality proportioning (%) selected are: ammonium nitrate 94.4%, compound oil phase 5.5%, wood powder 0.1%, wherein the component of compound oil phase material and quality proportioning are: machine oil 20%, compound wax 55%, paraffin 21%, octadecane amine phosphate 4%.
Operate according to embodiment 1 described implementation step and can make product.The performance of product is after tested: when charge diameter is 32mm, and charge density 0.93～0.96g/cm
3, gap distance 10cm, explosion velocity 4035m/s, brisance 16.6mm.
Embodiment 4.Be example still with industrial production 100kg powdered ammonium nitrate-fuel oil explosive, component and the quality proportioning (%) selected are: ammonium nitrate 94%, compound oil phase 4.0%, wood powder 4%, wherein the component of compound oil phase material and quality proportioning are: machine oil 30%, compound wax 60%, paraffin 6%, octadecane amine phosphate 4%.
The operation steps in the first step to the four step is undertaken by embodiment 1, the 5th step: with the material after the vacuum-drying, in screw machine, mix with wood powder, be cooled to carry out powder charge below 40 ℃, packing promptly makes the powdered ammonium nitrate-fuel oil explosive product.
The performance of product is after tested: when charge diameter is 32mm, and charge density 0.90～0.94g/cm
3, gap distance 10cm, explosion velocity 3947m/s, brisance 16.1mm.
Claims (4)
1, a kind of high-performance powdered ammonium nitrate-fuel oil explosive is characterized in that: it is to be mixed by following component (quality %): ammonium nitrate 89～95, compound oil phase 2.8～7, wood powder 0.1～4.
2. powdered ammonium nitrate-fuel oil explosive according to claim 1 is characterized in that described compound oil phase material is made up of following component (quality %): machine oil 0.1～40, and compound wax 25～97, paraffin 0.1～30, octadecane amine salt 2.8～5.
3. compound oil phase material according to claim 2 is characterized in that described octadecane amine salt is any in octadecane amine nitrate, octadecane amine hydrochlorate, octadecane amine vitriol, octadecane amine phosphate or the octadecane amine acetate;
4. high-performance powdered ammonium nitrate-fuel oil explosive manufacture method according to claim 1 is characterized in that processing step is:
4.1 the first step, 6%～14% the water that ammonium nitrate is added the ammonium nitrate quality dissolves, and the solution temperature after the dissolving is 110～140 ℃;
4.2 in second step, under 80～120 ℃ of conditions, carry out compound oil phase melt-blended;
4.3 the 3rd step under high-speed stirring, was dispersed in compound oil phase material in the ammonium nitrate solution, formed the oil-in-water-type dispersion system;
4.4 the 4th step, with the suction degree of hastening of 30～60kg/min ammonium nitrate-compound oil phase dispersion system is drawn to vacuum tightness and remains-0.085～-vacuum tank of 0.095Mpa in, carry out vacuum-drying;
4.5 the 5th step mixed dried material in a spiral with wood powder, and the gained material is cooled to carried out powder charge, packing below 40 ℃, promptly made the high-performance powdered ammonium nitrate-fuel oil explosive.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 03112696 CN1291951C (en) | 2003-01-17 | 2003-01-17 | High-performance powdered ammonium-oil oxplosive and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 03112696 CN1291951C (en) | 2003-01-17 | 2003-01-17 | High-performance powdered ammonium-oil oxplosive and its manufacturing method |
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| CN1517325A true CN1517325A (en) | 2004-08-04 |
| CN1291951C CN1291951C (en) | 2006-12-27 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328098B (en) * | 2008-08-04 | 2011-05-04 | 耿一平 | Solution state modified ammonium nitrate fuel explosive and preparation thereof |
| CN101429081B (en) * | 2008-11-27 | 2011-06-29 | 广东省力拓民爆器材厂 | Process for producing novel puffing nitramon |
| CN102731229A (en) * | 2012-07-17 | 2012-10-17 | 辽宁红山化工股份有限公司 | Method for preparing special compound oil phase for emulsion explosive |
| CN103288566A (en) * | 2012-02-22 | 2013-09-11 | 四川雅化实业集团股份有限公司 | Rock powdery emulsion explosive and preparation method thereof |
| CN104163744A (en) * | 2014-08-18 | 2014-11-26 | 南京理工大学 | Powdery expanded ammonium nitrate explosive and preparation method for same |
| WO2015043291A1 (en) * | 2013-09-27 | 2015-04-02 | 安徽理工大学 | Cooperative blasting charge structure and charge method thereof |
| CN105859493A (en) * | 2016-04-01 | 2016-08-17 | 河南久联神威民爆器材有限公司 | Low-density rock expanded AN explosive and preparation method thereof |
-
2003
- 2003-01-17 CN CN 03112696 patent/CN1291951C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328098B (en) * | 2008-08-04 | 2011-05-04 | 耿一平 | Solution state modified ammonium nitrate fuel explosive and preparation thereof |
| CN101429081B (en) * | 2008-11-27 | 2011-06-29 | 广东省力拓民爆器材厂 | Process for producing novel puffing nitramon |
| CN103288566A (en) * | 2012-02-22 | 2013-09-11 | 四川雅化实业集团股份有限公司 | Rock powdery emulsion explosive and preparation method thereof |
| CN102731229A (en) * | 2012-07-17 | 2012-10-17 | 辽宁红山化工股份有限公司 | Method for preparing special compound oil phase for emulsion explosive |
| CN102731229B (en) * | 2012-07-17 | 2014-05-07 | 辽宁红山化工股份有限公司 | Method for preparing special compound oil phase for emulsion explosive |
| WO2015043291A1 (en) * | 2013-09-27 | 2015-04-02 | 安徽理工大学 | Cooperative blasting charge structure and charge method thereof |
| CN104163744A (en) * | 2014-08-18 | 2014-11-26 | 南京理工大学 | Powdery expanded ammonium nitrate explosive and preparation method for same |
| CN105859493A (en) * | 2016-04-01 | 2016-08-17 | 河南久联神威民爆器材有限公司 | Low-density rock expanded AN explosive and preparation method thereof |
| CN105859493B (en) * | 2016-04-01 | 2018-12-11 | 河南久联神威民爆器材有限公司 | A kind of low-density rock expanded ammonium nitrate explosive and preparation method |
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| Publication number | Publication date |
|---|---|
| CN1291951C (en) | 2006-12-27 |
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