CN102070379A - Foaming agent for emulsion explosive - Google Patents
Foaming agent for emulsion explosive Download PDFInfo
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- CN102070379A CN102070379A CN2010105744541A CN201010574454A CN102070379A CN 102070379 A CN102070379 A CN 102070379A CN 2010105744541 A CN2010105744541 A CN 2010105744541A CN 201010574454 A CN201010574454 A CN 201010574454A CN 102070379 A CN102070379 A CN 102070379A
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Abstract
The invention relates to a sensitizer special for an emulsion explosive, in particular to a foaming agent for the emulsion explosive. The foaming agent is formed by mixing an agent A and an agent B according to a weight ratio of 1:(1.2-1.5), wherein the agent A comprises the following components in percentage by weight: 0.5 to 1.2 percent of thiourea, 22 to 30 percent of sodium nitrate, 2.1 to 4.2 percent of potassium nitrite, 0.9 to 1.5 percent of urea and 63.1 to 74.5 percent of water; and the agent B comprises the following components in percentage by weight: 8 to 12 percent of ammonium nitrate, 1.5 to 3 percent of nitric acid, 1.2 to 2.5 percent of glacial acetic acid, 0.4 to 0.8 percent of phosphoric acid, 0.4 to 0.8 percent of citric acid, 1.5 to 3.5 percent of urea, 0.5 to 1.5 percent of sodium thiocyanate, 1 to 2 percent of sodium bicarbonate and 73.9 to 85.5 percent of water. The foaming agent has the advantages of high foaming speed, good foaming effect, small aftereffect, easily controlled density, high safety, low probability of extrusion and the like; meanwhile, the emulsion explosive sensitized by a chemical foaming agent has the characteristics of high explosion speed, large explosive capacity and the like.
Description
Technical field
The present invention relates to the special-purpose sensitizing agent of emulsion explosive, particularly a kind of whipping agent that is used for emulsion explosive.
Background technology
In emulsion explosive, the effect of the whipping agent of used use: be in the emulsion explosive colloid, to form micro-bubble, utilize micro-bubble to produce focus, improve the density of explosive.At present, normally used chemical foaming agent exists, and expansion rate is slow, cause process interruption, be difficult to realize that the powder charge of emulsion explosive seals the serialization production of packing, influence production efficiency, and be incubated operation accordingly and equipment has increased energy consumption and production management cost; Foaming effect is undesirable, and then influences emulsion explosive and blasting performance; " aftereffect " effect is big, and density is not easy control, and security is bad, is afraid of problems such as extruding.
Summary of the invention
In order to solve the problems of the technologies described above, the purpose of this invention is to provide the stable whipping agent that is used for emulsion explosive of a kind of safe mass, its expansion rate is fast, the ratio that can adjust foam material according to the Recipe condition and the performance requriements of emulsion explosive, and mixing time is controlled foamed time, realize the serialization production of emulsion explosive packing, enhance productivity, reduce production costs; Foaming effect is good, and " aftereffect " effect is little, and density is controlled easily, and security is good, is not afraid of advantages such as extruding, has characteristics such as explosion velocity height, brisance are big with this chemical foaming emulsion explosives sensitized simultaneously.
Technical scheme of the present invention is to realize like this, the whipping agent that is used for emulsion explosive, it is characterized in that: it is by A agent and B agent, form by weight 1:1.2～1.5 mixed, described A agent is made up of by following weight percentage following component: thiocarbamide is 0.5%～1.2%, Sodium Nitrite is 22%～30%, potassium nitrite is 2.1%～4.2%, urea is 0.9%～1.5%, water is 63.1%～74.5%; Described B agent is made up of by following weight percentage following component: ammonium nitrate is 8%～12%, nitric acid is 1.5%～3%, glacial acetic acid is 1.2%～2.5%, phosphoric acid is 0.4%～0.8%, citric acid is 0.4%～0.8%, urea is 1.5%～3.5%, Sodium Thiocyanate 99 is 0.5%～1.5%, sodium bicarbonate is 1%～2%, water is 73.9%～85.5%.
The described whipping agent best composition that is used for emulsion explosive is: it is by A agent and B agent, form by weight the 1:1.3 mixed, described A agent is made up of by following weight percentage following component: thiocarbamide is 0.8%, Sodium Nitrite is 27%, potassium nitrite is 3%, urea is 1.2%, water is 68%; Described B agent is made up of by following weight percentage following component: ammonium nitrate is 10%, nitric acid is 2.5%, glacial acetic acid is 1.8%, phosphoric acid is 0.6%, citric acid is 0.6%, urea is 1.8%, Sodium Thiocyanate 99 is 1%, sodium bicarbonate is 1.5%, water is 80.2%.
The consumption of the whipping agent of described emulsion explosive is: A agent add-on is 0.3～0.5% of an emulsion explosive, and B agent add-on is 1.2～1.5 times of A agent of emulsion explosive.
Reaction equation:
(1) mechanism of chemical foaming sensitization mainly is A agent and B agent generation chemical reaction and produce gas, and simultaneously, chemical foaming agent is by the weak acid environment of water and suitable temperature, decomposition reaction takes place and produces bubble.
(2) reaction equation: NH4N0
3+ NaN0
2→ NH
4N0
2+ NaN0
3
NH
4N0
2→N
2＋2H
2O
The invention has the beneficial effects as follows: whipping agent of the present invention is owing to be the compound fast foaming agent of adopting inorganics and organism to form, its blowing temperature moderate (40 ℃～50 ℃), and chemical foaming gas is even, is of moderate size, and is evenly distributed stable storing; Characteristics such as aftereffect is little, and density is easy to control, and the nature shelf lives is long, can reach 1 year, uses the explosive after this whipping agent sensitization simultaneously, is not afraid of extruding, has the explosion velocity height, and brisance is big; Security is good, and this kind whipping agent flash-point height, raw material are simple, and general whipping agent (organic) and the security of (inorganic) whipping agent are better, little to machinery equipment corrodibility simultaneously; The ratio that it can adjust foam material according to the Recipe condition and the performance requriements of emulsion explosive, and mixing time controls foamed time, realizes the serialization production of emulsion explosive packing, enhances productivity, and reduces production costs.
Embodiment
The invention will be further described below in conjunction with embodiment, but following embodiment is not used in restriction practical range of the present invention.
Embodiment 1
1) getting thiocarbamide is that 0.8g, Sodium Nitrite are that 27g, potassium nitrite are that 3g, urea are that 1.2 g, water are that 68 g mix the A agent that is made into 100g; Getting ammonium nitrate is that 10 g, nitric acid are that 2.5 g, glacial acetic acid are that 1.8 g, phosphoric acid are that 0.6 g, citric acid are that 0.6 g, urea are that 1.8 g, Sodium Thiocyanate 99 are that 1 g, sodium bicarbonate are that 1.5 g, water are that 80.2 g mix the B agent that is made into 100g;
2) getting above-mentioned A agent and B agent mixes and promptly gets whipping agent of the present invention by weight the 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 A agent of emulsion explosive.
The quality index of whipping agent (seeing Table 1):
Table 1
Embodiment 2
1) getting thiocarbamide is that 0.5g, Sodium Nitrite are that 22g, potassium nitrite are that 2.1g, urea are that 0.9 g, water are that 74.5g mixes the A agent that is made into 100g; Getting ammonium nitrate is that 8g, nitric acid are that 1.5 g, glacial acetic acid are that 1.2 g, phosphoric acid are that 0.4 g, citric acid are that 0.4 g, urea are that 1.5g, Sodium Thiocyanate 99 are that 0.5 g, sodium bicarbonate are that 1 g, water are that 85.5 g mix the B agent that is made into 100g;
2) getting above-mentioned A agent and B agent mixes and promptly gets whipping agent of the present invention by weight the 1:1.2 ratio.
The consumption of whipping agent and quality index are with embodiment 1.
Embodiment 3
1) getting thiocarbamide is that 1.2g, Sodium Nitrite are that 30g, potassium nitrite are that 4.2g, urea are that 1.5 g, water are that 63.1g mixes the A agent that is made into 100g; Getting ammonium nitrate is that 12g, nitric acid are that 3 g, glacial acetic acid are that 2.5 g, phosphoric acid are that 0.8 g, citric acid are that 0.8 g, urea are that 3.5g, Sodium Thiocyanate 99 are that 1.5 g, sodium bicarbonate are that 2 g, water are that 73.9 g mix the B agent that is made into 100g;
2) getting above-mentioned A agent and B agent mixes and promptly gets whipping agent of the present invention by weight the 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 the foregoing description, and it can be regulated with the technology and the prescription of each producer as requested.
Adopt the emulsion explosive test effect (seeing Table 2) of the whipping agent of embodiment 1
Table 2
Effect assessment of the present invention experiment and result: can be got by table 2, foamed time is short, without aftereffect, and density is easy to control, and security is good, is not afraid of extruding, has advantages such as explosion velocity height, brisance are big with this chemical foaming emulsion explosives sensitized simultaneously.
It is fast more that whipping agent of the present invention adds the high more expansion rate of ratio of emulsion explosive, foamed time reaches best effect after foaming in 24 hours, the best effect of sensitizing agent is regulated and reached to the ratio that adds of whipping agent simultaneously, foamed time etc. all can be as requested with the technology of each producer and prescription.
Fast foaming agent technology of the present invention is simple, and material is easily purchased, and a whole set of strict index detection means is arranged, and applies to that section satisfies mine blasting, down-hole back production, requirements such as tunnelling and smooth blasting in the emulsion explosive.
Claims (3)
1. the whipping agent that is used for emulsion explosive, it is characterized in that: it is by A agent and B agent, form by weight 1:1.2～1.5 mixed, described A agent is made up of by following weight percentage following component: thiocarbamide is 0.5%～1.2%, Sodium Nitrite is 22%～30%, potassium nitrite is 2.1%～4.2%, urea is 0.9%～1.5%, water is 63.1%～74.5%; Described B agent is made up of by following weight percentage following component: ammonium nitrate is 8%～12%, nitric acid is 1.5%～3%, glacial acetic acid is 1.2%～2.5%, phosphoric acid is 0.4%～0.8%, citric acid is 0.4%～0.8%, urea is 1.5%～3.5%, Sodium Thiocyanate 99 is 0.5%～1.5%, sodium bicarbonate is 1%～2%, water is 73.9%～85.5%.
2. the whipping agent that is used for emulsion explosive according to claim 1, it is characterized in that: it is by A agent and B agent, form by weight the 1:1.3 mixed, described A agent is made up of by following weight percentage following component: thiocarbamide is 0.8%, Sodium Nitrite is 27%, potassium nitrite is 3%, urea is 1.2%, water is 68%; Described B agent is made up of by following weight percentage following component: ammonium nitrate is 10%, nitric acid is 2.5%, glacial acetic acid is 1.8%, phosphoric acid is 0.6%, citric acid is 0.6%, urea is 1.8%, Sodium Thiocyanate 99 is 1%, sodium bicarbonate is 1.5%, water is 80.2%.
3. the whipping agent that is used for emulsion explosive according to claim 1 is characterized in that: the consumption of the whipping agent of described emulsion explosive is: A agent add-on is 0.3～0.5% of an emulsion explosive, and B agent add-on is 1.2～1.5 times of A agent of emulsion explosive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105744541A CN102070379A (en) | 2010-12-06 | 2010-12-06 | Foaming agent for emulsion explosive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105744541A CN102070379A (en) | 2010-12-06 | 2010-12-06 | Foaming agent for emulsion explosive |
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| Publication Number | Publication Date |
|---|---|
| CN102070379A true CN102070379A (en) | 2011-05-25 |
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|---|---|---|---|
| CN2010105744541A Pending CN102070379A (en) | 2010-12-06 | 2010-12-06 | Foaming agent for emulsion explosive |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108440224A (en) * | 2018-05-15 | 2018-08-24 | 武建安 | A kind of special chemical sensitizer of emulsion high temperature and preparation method thereof |
| CN108911934A (en) * | 2018-08-13 | 2018-11-30 | 福建省民爆化工股份有限公司 | Foaming agent for emulsion explosive and the emulsion for using the foaming agent |
| CN108997070A (en) * | 2018-08-13 | 2018-12-14 | 福建省民爆化工股份有限公司 | A kind of Quick Foaming of Emulsion Explosives agent and emulsion |
| CN110950722A (en) * | 2019-11-08 | 2020-04-03 | 湖北东神天神实业有限公司 | Foaming agent for emulsion explosive for preventing sensitized bubbles from escaping and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86102842A (en) * | 1986-04-15 | 1987-10-28 | 包钢矿山研究所 | Normal temperature pumpable emulsion explosive loading car |
| CN1070902A (en) * | 1992-07-24 | 1993-04-14 | 长沙矿山研究院 | Emulsion explosive and chemical foaming process |
| 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 |
-
2010
- 2010-12-06 CN CN2010105744541A patent/CN102070379A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86102842A (en) * | 1986-04-15 | 1987-10-28 | 包钢矿山研究所 | Normal temperature pumpable emulsion explosive loading car |
| CN1070902A (en) * | 1992-07-24 | 1993-04-14 | 长沙矿山研究院 | Emulsion explosive and chemical foaming process |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108440224A (en) * | 2018-05-15 | 2018-08-24 | 武建安 | A kind of special chemical sensitizer of emulsion high temperature and preparation method thereof |
| CN108911934A (en) * | 2018-08-13 | 2018-11-30 | 福建省民爆化工股份有限公司 | Foaming agent for emulsion explosive and the emulsion for using the foaming agent |
| CN108997070A (en) * | 2018-08-13 | 2018-12-14 | 福建省民爆化工股份有限公司 | A kind of Quick Foaming of Emulsion Explosives agent and emulsion |
| CN110950722A (en) * | 2019-11-08 | 2020-04-03 | 湖北东神天神实业有限公司 | Foaming agent for emulsion explosive for preventing sensitized bubbles from escaping and preparation method thereof |
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