CN107011103B - Porous granular ammonium nitrate fuel oil explosive additive and application thereof - Google Patents
Porous granular ammonium nitrate fuel oil explosive additive and application thereof Download PDFInfo
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- CN107011103B CN107011103B CN201710263032.4A CN201710263032A CN107011103B CN 107011103 B CN107011103 B CN 107011103B CN 201710263032 A CN201710263032 A CN 201710263032A CN 107011103 B CN107011103 B CN 107011103B
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- Prior art keywords
- fuel oil
- ammonium nitrate
- porous granular
- granular ammonium
- nitrate fuel
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B23/00—Compositions characterised by non-explosive or non-thermic constituents
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B31/00—Compositions containing an inorganic nitrogen-oxygen salt
- C06B31/28—Compositions containing an inorganic nitrogen-oxygen salt the salt being ammonium nitrate
- C06B31/285—Compositions containing an inorganic nitrogen-oxygen salt the salt being ammonium nitrate with fuel oil, e.g. ANFO-compositions
Abstract
The invention discloses a porous granular ammonium nitrate fuel oil explosive additive and application thereof. The porous granular ammonium nitrate fuel oil explosive additive consists of (mass%): 1-99% of N-N dimethyl acetamide and 1-99% of solvent. The explosive property of the porous granular ammonium nitrate fuel oil explosive can be improved by adding the additive into the porous granular ammonium nitrate fuel oil explosive according to the mass ratio of 1-5%.
Description
Technical Field
The invention relates to a porous granular ammonium nitrate fuel oil explosive additive and application thereof.
Background
It is known that the industrial explosives currently used for mining and engineering blasting are mainly emulsion explosives and porous granular ammonium nitrate fuel oil explosives. The patent CN102659492A discloses an aromatic compound additive, the use of the additive can improve the sensitivity of the porous granular ammonium nitrate fuel oil explosive and improve the blasting effect, but the sensitivity of the explosive is increased to increase the danger in the blasting process.
Disclosure of Invention
The invention aims to provide a porous granular ammonium nitrate fuel oil explosive additive and application thereof.
The technical solution for realizing the purpose of the invention is as follows: a porous granular ammonium nitrate fuel oil explosive additive and application thereof are disclosed, which comprises (by mass percent): 1-99% of N-N dimethylacetamide and 1-99% of solvent; the explosive property of the porous granular ammonium nitrate fuel oil explosive can be improved by adding the additive into the porous granular ammonium nitrate fuel oil explosive according to the mass ratio of 1-5%.
The preferable content of N-N dimethylacetamide is 30-70%, and the solvent content is 30-70%; more preferably, the content of N-dimethylacetamide is 50-60% and the content of the solvent is 40-50%.
The solvent is one or a mixture of more than two of glycol, glycerol, water and octanol.
The invention also provides application of the additive, and the porous granular ammonium nitrate fuel oil explosive additive is used as the additive of the porous granular ammonium nitrate fuel oil explosive for improving the explosion performance of the porous granular ammonium nitrate fuel oil explosive.
The explosion performance of the porous granular ammonium nitrate fuel oil explosive can be improved by adding the porous granular ammonium nitrate fuel oil explosive additive into the porous granular ammonium nitrate fuel oil explosive according to the mass ratio of 1-5%.
Compared with the prior art, the invention has the following remarkable advantages: (1) the invention innovatively applies N-N dimethylacetamide as an additive to the porous granular ammonium nitrate fuel oil explosive; (2) the additive is less in dosage, the detonation sensitivity of the original porous granular ammonium nitrate fuel oil explosive is not changed, but the explosion performance of the porous granular ammonium nitrate fuel oil explosive can be improved, and the explosion effect is improved.
Detailed Description
The invention relates to a porous granular ammonium nitrate fuel oil explosive additive which comprises the following components in percentage by mass: 1-99% of N-N dimethylacetamide and 1-99% of a solvent.
The invention relates to an application of a porous granular ammonium nitrate fuel oil explosive additive, which comprises the following steps:
the porous granular ammonium nitrate fuel oil explosive additive is added into porous granular ammonium nitrate fuel oil explosive according to the mass ratio of 1-5%. The following examples are further illustrative.
Example 1: taking 10 kg of porous granular ammonium nitrate fuel oil explosive additive as an example, the mass percent of each component of the porous granular ammonium nitrate fuel oil explosive additive is selected as follows: 55% of N-dimethylacetamide and 45% of ethylene glycol. And mixing and stirring the N-N dimethylacetamide and the ethylene glycol uniformly to obtain the porous granular ammonium nitrate fuel oil explosive additive.
The additive is added into porous granular ammonium nitrate fuel oil explosive (the porous granular ammonium nitrate fuel oil explosive is prepared by uniformly mixing 94wt% of porous granular ammonium nitrate and 6wt% of diesel oil according to the mass percentage, and can be prepared according to patent CN 1227209A), and the mixture is uniformly mixed to prepare the high-performance porous granular ammonium nitrate fuel oil explosive, wherein the mass ratio of the additive to the porous granular ammonium nitrate fuel oil explosive is 3: 97.
the detonation velocity of the high-performance porous granular ammonium nitrate fuel oil explosive is measured as follows: 3400m/s, work capacity: 315 ml. Compared with porous granular ammonium nitrate fuel oil explosive, the explosion velocity is improved by 26%, the work capacity is improved by 6.5%, and the initiation sensitivity is unchanged.
Example 2: taking 10 kg of porous granular ammonium nitrate fuel oil explosive additive as an example, the mass percent of each component of the porous granular ammonium nitrate fuel oil explosive additive is selected as follows: 40% of N-dimethylacetamide, 30% of octanol and 30% of ethylene glycol.
The additive is added into the porous granular ammonium nitrate fuel oil explosive (the source is the same as that in example 1) and uniformly mixed to prepare the high-performance porous granular ammonium nitrate fuel oil explosive, wherein the mass ratio of the additive to the porous granular ammonium nitrate fuel oil explosive is 5: 95.
the detonation velocity of the high-performance porous granular ammonium nitrate fuel oil explosive is measured as follows: 3300m/s, work capacity: 310 ml. Compared with porous granular ammonium nitrate fuel oil explosive, the explosion velocity is increased by 22%, the work capacity is increased by 4.7%, and the initiation sensitivity is unchanged.
Example 3: taking 10 kg of porous granular ammonium nitrate fuel oil explosive additive as an example, the mass percent of each component of the porous granular ammonium nitrate fuel oil explosive additive is selected as follows: 50% of N-N dimethylacetamide, 25% of glycerol and 25% of water.
The additive is added into the porous granular ammonium nitrate fuel oil explosive (the source is the same as that in example 1) and uniformly mixed to prepare the high-performance porous granular ammonium nitrate fuel oil explosive, wherein the mass ratio of the additive to the porous granular ammonium nitrate fuel oil explosive is 2: 98.
the detonation velocity of the high-performance porous granular ammonium nitrate fuel oil explosive is measured as follows: 3200m/s, work capacity: 305 ml. Compared with porous granular ammonium nitrate fuel oil explosive, the explosion velocity is increased by 19%, the work capacity is increased by 3%, and the initiation sensitivity is unchanged.
Claims (5)
1. The application of the porous granular ammonium nitrate fuel oil explosive additive is characterized in that: the porous granular ammonium nitrate fuel oil explosive additive is used as the additive of the porous granular ammonium nitrate fuel oil explosive and is used for improving the explosion performance of the porous granular ammonium nitrate fuel oil explosive; the porous granular ammonium nitrate fuel oil explosive additive comprises the following components in percentage by mass: 30-70% of N-N dimethylacetamide and 30-70% of a solvent.
2. Use according to claim 1, characterized in that: the content of the N-N dimethylacetamide is 50-60%, and the content of the solvent is 40-50%.
3. Use according to claim 1 or 2, characterized in that: adding the porous granular ammonium nitrate fuel oil explosive additive into the porous granular ammonium nitrate fuel oil explosive, wherein the dosage mass ratio of the porous granular ammonium nitrate fuel oil explosive additive to the porous granular ammonium nitrate fuel oil explosive is 1: 99-5: 95.
4. use according to claim 1 or 2, characterized in that: the solvent is one or a mixture of more than two of ethylene glycol, glycerol, water and octanol.
5. Use according to claim 4, characterized in that: adding the porous granular ammonium nitrate fuel oil explosive additive into the porous granular ammonium nitrate fuel oil explosive, wherein the dosage mass ratio of the porous granular ammonium nitrate fuel oil explosive additive to the porous granular ammonium nitrate fuel oil explosive is 1: 99-5: 95.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710263032.4A CN107011103B (en) | 2017-04-20 | 2017-04-20 | Porous granular ammonium nitrate fuel oil explosive additive and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710263032.4A CN107011103B (en) | 2017-04-20 | 2017-04-20 | Porous granular ammonium nitrate fuel oil explosive additive and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107011103A CN107011103A (en) | 2017-08-04 |
| CN107011103B true CN107011103B (en) | 2020-03-24 |
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| CN201710263032.4A Active CN107011103B (en) | 2017-04-20 | 2017-04-20 | Porous granular ammonium nitrate fuel oil explosive additive and application thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107746362A (en) * | 2017-09-08 | 2018-03-02 | 祁茂富 | A kind of water type porous particulated ammonium oil explosive |
| CN113045368A (en) * | 2021-03-31 | 2021-06-29 | 神华准格尔能源有限责任公司 | Ammonium nitrate fuel oil explosive containing water-melting active additive and preparation method and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6343353B2 (en) * | 1980-08-08 | 1988-08-30 | Nippon Kayaku Kk | |
| CN1053052A (en) * | 1989-12-25 | 1991-07-17 | 冶金工业部长沙矿冶研究院 | Formula and process of novel powdery ammonium nitrate fuel oil explosive |
| CN1227209A (en) * | 1998-10-28 | 1999-09-01 | 准格尔煤炭工业公司 | Anfo explosive and its producing process |
| CN101205157A (en) * | 2007-11-16 | 2008-06-25 | 南京理工大学 | Method for lowering crystallization point of ammonium nitrate supersaturated solution by using additives |
| CN101591210A (en) * | 2008-05-30 | 2009-12-02 | 南京理工大学 | Sensitizing type expanded ammonium nitrate fuel oil explosive and preparation method thereof |
| CN102659492A (en) * | 2012-05-22 | 2012-09-12 | 大连安泰化工有限公司 | Ammonium nitrate fuel oil explosive additive |
| CN103382143A (en) * | 2013-07-05 | 2013-11-06 | 倪欧琪 | High-performance low-cost environment-friendly porous granular ammonium nitrate-fuel oil explosive and preparation method thereof |
-
2017
- 2017-04-20 CN CN201710263032.4A patent/CN107011103B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6343353B2 (en) * | 1980-08-08 | 1988-08-30 | Nippon Kayaku Kk | |
| CN1053052A (en) * | 1989-12-25 | 1991-07-17 | 冶金工业部长沙矿冶研究院 | Formula and process of novel powdery ammonium nitrate fuel oil explosive |
| CN1227209A (en) * | 1998-10-28 | 1999-09-01 | 准格尔煤炭工业公司 | Anfo explosive and its producing process |
| CN101205157A (en) * | 2007-11-16 | 2008-06-25 | 南京理工大学 | Method for lowering crystallization point of ammonium nitrate supersaturated solution by using additives |
| CN101591210A (en) * | 2008-05-30 | 2009-12-02 | 南京理工大学 | Sensitizing type expanded ammonium nitrate fuel oil explosive and preparation method thereof |
| CN102659492A (en) * | 2012-05-22 | 2012-09-12 | 大连安泰化工有限公司 | Ammonium nitrate fuel oil explosive additive |
| CN103382143A (en) * | 2013-07-05 | 2013-11-06 | 倪欧琪 | High-performance low-cost environment-friendly porous granular ammonium nitrate-fuel oil explosive and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 影响铵油炸药性能因素的试验研究;杨淑珍;《化工矿山技术》;19791028(第5期);第20-30页 * |
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| CN107011103A (en) | 2017-08-04 |
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