CN102093145B - High-efficiency foaming agent for explosives - Google Patents
High-efficiency foaming agent for explosives Download PDFInfo
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- CN102093145B CN102093145B CN201010574597.2A CN201010574597A CN102093145B CN 102093145 B CN102093145 B CN 102093145B CN 201010574597 A CN201010574597 A CN 201010574597A CN 102093145 B CN102093145 B CN 102093145B
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Abstract
The invention relates to a special sensitizer for emulsion explosives, particularly a high-efficiency foaming agent for explosives. The high-efficiency foaming agent for explosives is prepared by mixing a component A and a component B according to the weight ratio of 1:(1.2-1.5). The component A is prepared from the following components in percentage by weight: 0.5-1.5% of thiocarbamide, 3-5% of potassium nitrite, 0.9-1.5% of urea, 20-30% of sodium nitrite and 62-75.6% of water. The component B is prepared from the following components in percentage by weight: 0.7-1% of nitric acid, 7-11% of ammonium nitrate, 0.2-0.5% of ammonium chloride, 0.2-0.6% of phosphoric acid, 0.5-2% of ammonium monoacid phosphate, 0.1-2.5% of ammonium thiocyanate, 1.8-2.5% of citric acid, 0.7-1.5% of glacial acetic acid, 1.5-2.5% of urea nitrate, 0.9-1.5% of urea and 74.4-86.4% of water. The invention has the characteristics of high foaming speed, weak acidity, high storage stability, long natural storage period, small aftereffect, favorable foaming effect and the like.
Description
Technical field
The present invention relates to the special sensitizing agent of emulsion explosive, particularly a kind of efficient aerating powder for explosive.
Background technology
At present, normally used chemical foaming agent, is divided into inorganic foaming agent or organic blowing agent, and inorganic foaming agent promoter action is large, and acid strong, foaming is fast, but the poor storage stability to emulsion explosive.And organic blowing agent effect is less, but foaming is slow, and aftereffect is large, and foaming effect is undesirable, and then affects emulsion explosive and blasting performance.
Summary of the invention
In order to solve the problems of the technologies described above, the object of this invention is to provide a kind of efficient aerating powder for explosive, it is fast that it has expansion rate, and acid weak, stability in storage is good, and the nature shelf lives is long, can reach 1 year; Rear validity response is little, and foaming effect is good, has the features such as explosion velocity is high, brisance is large with the emulsion explosive of this chemical foaming agent sensitization.
Technical scheme of the present invention realizes like this, a kind of efficient aerating powder for explosive, it is characterized in that: it is by A agent and B agent, by weight 1:1.2 ~ 1.5 ratio mixing composition, described A agent is made up of by following weight percentage following component: thiocarbamide is 0.5% ~ 1.5%, potassium nitrite is 3% ~ 5%, urea is 0.9% ~ 1.5%, Sodium Nitrite is 20% ~ 30%, water is 62% ~ 75.6%; Described B agent is made up of by following weight percentage following component: nitric acid is 0.7% ~ 1%, ammonium nitrate is 7% ~ 11%, ammonium chloride is 0.2% ~ 0.5%, phosphoric acid is 0.2% ~ 0.6%, Secondary ammonium phosphate is 0.5% ~ 2%, ammonium thiocyanate is 0.1% ~ 2.5%, citric acid is 1.8% ~ 2.5%, glacial acetic acid is 0.7% ~ 1.5%, urea nitrate is 1.5% ~ 2.5%, urea is 0.9% ~ 1.5%, water is 74.4% ~ 86.4%.
The invention has the beneficial effects as follows: whipping agent of the present invention is owing to being the composite foamable agent adopting inorganics and organism composition, and its expansion rate is fast, stable chemical performance, and the nature shelf lives is long, can reach 1 year; Acid weak, corrodibility is little, extends the work-ing life of machinery equipment; Rear validity response is little, and foaming effect is good, has the features such as explosion velocity is high, brisance is large with the emulsion explosive of this chemical foaming agent sensitization.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but following embodiment is not used in restriction practical range of the present invention.
Embodiment 1
1) get that thiocarbamide is 1 g, potassium nitrite is 4 g, urea is 1.2 g, Sodium Nitrite is 25 g, water is the A agent that 68.8 g mixing are made into 100g; Get that nitric acid is 0.8 g, ammonium nitrate is 9 g, ammonium chloride is 0.3 g, phosphoric acid is 0.4 g, Secondary ammonium phosphate is 1.5 g, ammonium thiocyanate is 1.5 g, citric acid is 2.1 g, glacial acetic acid is 1 g, urea nitrate is 2 g, urea is 1.2 g, water is the B agent that 80.2 g mixing are made into 100g;
2) get above-mentioned A agent and B agent to carry out mixing and obtain whipping agent of the present invention by weight 1:1.3 ratio.
The consumption of whipping agent and quality index:
Consumption: general A agent add-on is 0.3 ~ 0.5%(weight percentage of emulsion explosive), B agent add-on is 1.2 ~ 1.5 times of the A agent of emulsion explosive.
The quality index (see table 1) of whipping agent:
Table 1:
Embodiment 2
1) get that thiocarbamide is 0.5 g, potassium nitrite is 3 g, urea is 0.9 g, Sodium Nitrite is 20 g, water is the A agent that 75.6 g mixing are made into 100g; Get that nitric acid is 0.7 g, ammonium nitrate is 7 g, ammonium chloride is 0.2 g, phosphoric acid is 0.2 g, Secondary ammonium phosphate is 0.5 g, ammonium thiocyanate is 0.1 g, citric acid is 1.8 g, glacial acetic acid is 0.7g, urea nitrate is 1.5 g, urea is 0.9 g, water is the B agent that 86.4 g mixing are made into 100g;
2) get above-mentioned A agent and B agent to carry out mixing and obtain whipping agent of the present invention by weight 1:1.2 ratio.
The consumption of whipping agent and quality index are with embodiment 1.
Embodiment 3
1) get that thiocarbamide is 1.5g, potassium nitrite is 5 g, urea is 1.5 g, Sodium Nitrite is 30 g, water is the A agent that 62 g mixing are made into 100g; Get that nitric acid is 1 g, ammonium nitrate is 11 g, ammonium chloride is 0.5 g, phosphoric acid is 0.6 g, Secondary ammonium phosphate is 2 g, ammonium thiocyanate is 2.5 g, citric acid is 2.5 g, glacial acetic acid is 1.5 g, urea nitrate is 2.5 g, urea is 1.5 g, water is the B agent that 74.4 g mixing are made into 100g;
2) get above-mentioned A agent and B agent to carry out mixing and obtain whipping agent of the present invention by weight 1:1.5 ratio.
The consumption of whipping agent and quality index are with embodiment 1.
The consumption of whipping agent of the present invention, is not limited only to the ratio in above-described embodiment, and it can regulate with the technique of each producer and formula as requested.
Claims (1)
1. for an efficient aerating powder for explosive, it is characterized in that: it is by A agent and B agent, by weight 1:1.3 ratio mixing composition, its preparation method is as follows:
1) get that thiocarbamide is 1 g, potassium nitrite is 4 g, urea is 1.2 g, Sodium Nitrite is 25 g, water is the A agent that 68.8 g mixing are made into 100g;
Get that nitric acid is 0.8 g, ammonium nitrate is 9 g, ammonium chloride is 0.3 g, phosphoric acid is 0.4 g, Secondary ammonium phosphate is 1.5 g, ammonium thiocyanate is 1.5 g, citric acid is 2.1 g, glacial acetic acid is 1 g, urea nitrate is 2 g, urea is 1.2 g, water is the B agent that 80.2 g mixing are made into 100g;
2) get above-mentioned A agent and B agent to carry out mixing and obtaining whipping agent by weight 1:1.3 ratio;
The consumption of whipping agent and quality index:
Consumption: A agent add-on is 0.3 ~ 0.5% of emulsion explosive is weight percentage, and B agent add-on is 1.2 ~ 1.5 times of the A agent of emulsion explosive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010574597.2A CN102093145B (en) | 2010-12-06 | 2010-12-06 | High-efficiency foaming agent for explosives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010574597.2A CN102093145B (en) | 2010-12-06 | 2010-12-06 | High-efficiency foaming agent for explosives |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102093145A CN102093145A (en) | 2011-06-15 |
| CN102093145B true CN102093145B (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010574597.2A Expired - Fee Related CN102093145B (en) | 2010-12-06 | 2010-12-06 | High-efficiency foaming agent for explosives |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079951A (en) * | 1992-06-12 | 1993-12-29 | 中国矿业大学 | Water-repellent nitramon used in ladder-less coal mine |
| AUPN737295A0 (en) * | 1995-12-29 | 1996-01-25 | Ici Australia Operations Proprietary Limited | Gasser composition & method of gassing |
| CN101602637A (en) * | 2009-07-10 | 2009-12-16 | 葛洲坝易普力股份有限公司 | The chemical sensitization method of emulsion explosive |
| CN101870626B (en) * | 2010-06-18 | 2014-08-27 | 广东华威化工集团有限公司 | Fast sensitizer for emulsion explosive |
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2010
- 2010-12-06 CN CN201010574597.2A patent/CN102093145B/en not_active Expired - Fee Related
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| CN102093145A (en) | 2011-06-15 |
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Effective date of registration: 20160107 Address after: The town of Yulin city Shaanxi 719400 high Ya county of Fugu province Wen Li River before the village of Hualong bridge dragon escort (explosive factory) Jiashuyuan Patentee after: Ma Yongning Address before: 710075, No. three, No. 58, hi tech Zone, Yanta District, Shaanxi, Xi'an Patentee before: SHAANXI HUAQIN NEW ENERGY TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20150624 Termination date: 20211206 |