CN101792360A - Emulsion explosive with high stability during storage period - Google Patents
Emulsion explosive with high stability during storage period Download PDFInfo
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- CN101792360A CN101792360A CN201010139100A CN201010139100A CN101792360A CN 101792360 A CN101792360 A CN 101792360A CN 201010139100 A CN201010139100 A CN 201010139100A CN 201010139100 A CN201010139100 A CN 201010139100A CN 101792360 A CN101792360 A CN 101792360A
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- emulsion explosive
- storage period
- high stability
- during storage
- stability during
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Abstract
The invention discloses a formula of an emulsion explosive with high stability during storage period, which comprises the following steps: taking water, ammonium nitrate, sodium nitrate and ethylenediaminedinitrate as eutectic water phase, taking low viscosity wax and fuel oil as composite oil phase, using a polymer emulsifying agent as a gel-forming body of the emulsion explosive and adding hollow glass microspheres for sensitization; as the eutectic water phase and the low viscosity oil phase are difficult to stack gel for forming emulsion, a small amount of aluminum powder is added during the emulsification process for assisting the emulsion formation. The formula is mainly applicable to the continuous automatic emulsion explosive production process at the present stage, requires the use of an emulsifier with low rotational speed and large gap, and the reliable storage period of the emulsion explosive produced according to the formula can be up to one year.
Description
Technical field
The present invention relates to the explosive production technical field, particularly a kind of emulsion explosive with high stability during storage period.
Background technology
Domestic emulsion explosive is through the development of nearly decades, all obtaining significant progress aspect formulating of recipe, Auto-regulating System of Density of Heavy Medium technology and the emulsifying technology, but never have the ideal achievement aspect storage period at emulsion explosive, existing emulsion explosive is difficult to satisfy needs of production generally at 6 months storage period.Therefore, how to improve emulsion explosive stability storage period, to prolong storage period and become the difficult problem of emulsion explosive in making.
Summary of the invention
The object of the present invention is to provide a kind of emulsion explosive with high stability during storage period, short storage period to remedy emulsion explosive, shortcoming that can not long time stored use, emulsion explosive of producing by this invention has prolonged the shelf-life greatly, can be for 12 months.
Specifically, a kind of emulsion explosive with high stability during storage period is made up of water-phase material and oil phase material and compound emulsifying agent, and its water-phase material is to be the low molten material altogether that dominant shape becomes with ammonium nitrate and ethylenediamine nitrate.
Described a kind of emulsion explosive with high stability during storage period, its each component concentration per-cent is:
Ammonium nitrate 30～50%, wax 3～5%, SODIUMNITRATE 5～12%, oil fuel 1～3%, ethylenediamine nitrate 25～45%, polymer emulsifier 1～3%, water 8～15%, hollow glass micro-ball 1～3%, aluminium powder 0.5～1%; Each component adds up to 100%.
The emulsion explosive water that advantage of the present invention is is based on ammonium nitrate and the low molten thing altogether of ethylenediamine nitrate, so water-phase material does not need very high temperature of fusion, only needs 90～95 ℃ and gets final product, and its density is at 1.48～1.50g/cm
3Owing to require oil phase material to have lower viscosity in emulsion process, so its temperature of fusion fixes between 100～105 ℃, its density is at 0.85～0.95g/cm
3Between.
Emulsion explosive is the W/O milk sap explosive with the emulsifying technology preparation, emulsion process is a kind of liquid sol forming process, its disperse phase is above-mentioned preferred inorganic salt eutectic component, external phase is selected compound oil phase, emulsification is exactly inorganicly to be distributed to whole in the external phase mutually, under preferred solvent and emulsor effect, form the water-in-oil-type emulsion matrix.
Because the eutectic point of selected inorganic salt is lower, emulsifying base can not solidify rapidly in specific time sometimes, and, the solid of nascent state can form a kind of new microtexture because having the trend of spontaneous growth thereupon, this structure deteriorate original oil film barrier layer, the redox reaction contact area is reduced, thereby reduce its detonation property.Adopt aluminium powder induced crystallization method, can guarantee the uniformity consistency of droplet nucleation, the most of external phase of prepared water-in-oil-type explosive matrix still becomes the encapsulate attitude.For aluminium powder can be safer adding, we are with aluminium powder and contain 0.2% poly compound emulsifying agent and sneak into oil phase material.
Embodiment
A kind of emulsion explosive with high stability during storage period is made up of water-phase material and oil phase material and compound emulsifying agent, and its water-phase material is to be the low molten material altogether that dominant shape becomes with ammonium nitrate and ethylenediamine nitrate.
Described a kind of emulsion explosive with high stability during storage period, its each component concentration per-cent is: ammonium nitrate 30～50%, wax 3～5%, SODIUMNITRATE 5～12%, oil fuel 1～3%, ethylenediamine nitrate 25～45%, polymer emulsifier 1～3%, water 8～15%, hollow glass micro-ball 1～3%, aluminium powder 0.5～1%; Each component adds up to 100%.Used wax is meant paraffin, ceresine and the lower blended wax of rosin one class viscosity.Used oil fuel is low viscous diesel oil and pitch.Used polymer emulsifier is for containing poly composite high-molecular emulsifying agent.Used aluminium powder for misfire, nonflammable 100 order safety aluminium powders.
Preparation technology: by transport pipe water-phase material and oil phase material and compound emulsifying agent are transported in big gap, the slow speed of revolution emulsor, after emulsor became breast, the density of its emulsion matrix was at 1.45～1.50g/cm
3Between, analyze the latex crystal through observation by light microscope, its size and distribution range are as follows:
Crystal grain diameter (μ m) range size (%)
≤0.5 20～30
0.5～1.0 40～60
1.0～2.0 10～20
≥2.0 ≤10
After the hollow glass micro-ball sensitization, Density of Emulsion Explosive still can reach 1.15～1.25g/cm
3Between.The powder stick that emulsion explosive after the sensitization is dressed up Φ 32mm through the automatic powder charge agent carries out test storage period, experimental result such as following table.Can show by cartogram, result by experiment, this prescription novel emulsion explosive has the feature of high stability during storage period.
Claims (6)
1. emulsion explosive with high stability during storage period is made up of water-phase material and oil phase material and compound emulsifying agent, it is characterized in that water-phase material is is the low molten material altogether that dominant shape becomes with ammonium nitrate and ethylenediamine nitrate.
2. according to the described a kind of emulsion explosive of claim 1, it is characterized in that each component concentration per-cent is with high stability during storage period:
Ammonium nitrate 30～50%, wax 3～5%, SODIUMNITRATE 5～12%, oil fuel 1～3%, ethylenediamine nitrate 25～45%, polymer emulsifier 1～3%, water 8～15%, hollow glass micro-ball 1～3%, aluminium powder 0.5～1%; Each component adds up to 100%.
3. according to the described high stability during storage period emulsion explosive of claim 2, the used wax of its feature is meant paraffin, ceresine and the lower blended wax of rosin one class viscosity.
4. according to the described high stability during storage period emulsion explosive of claim 2, the used oil fuel of its feature is low viscous diesel oil and pitch.
5. according to the described high stability during storage period emulsion explosive of claim 2, the used polymer emulsifier of its feature is for containing poly composite high-molecular emulsifying agent.
6. according to the described high stability during storage period emulsion explosive of claim 2, the used aluminium powder of its feature for misfire, nonflammable 100 order safety aluminium powders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010139100A CN101792360A (en) | 2010-04-06 | 2010-04-06 | Emulsion explosive with high stability during storage period |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010139100A CN101792360A (en) | 2010-04-06 | 2010-04-06 | Emulsion explosive with high stability during storage period |
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| CN101792360A true CN101792360A (en) | 2010-08-04 |
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| CN201010139100A Pending CN101792360A (en) | 2010-04-06 | 2010-04-06 | Emulsion explosive with high stability during storage period |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102731223A (en) * | 2012-02-27 | 2012-10-17 | 湖北凯龙化工集团股份有限公司 | Method for producing emulsion explosive by using resin microspheres and dedicated emulsion sensitization machine thereof |
| CN103159576A (en) * | 2011-12-12 | 2013-06-19 | 薛世忠 | Low-viscosity pumpable emulsion explosive substrate and preparation method thereof |
| CN104447146A (en) * | 2014-12-09 | 2015-03-25 | 福建海峡科化股份有限公司 | Preparation method of deepwater pressure-resistant emulsified explosive |
| CN112500251A (en) * | 2020-12-18 | 2021-03-16 | 安徽金奥博化工科技有限公司 | Bulk emulsion explosive charged in upward hole and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1085202A (en) * | 1993-09-29 | 1994-04-13 | 北京矿冶研究总院(贯荔) | Powdery emulsifying explosive and preparation method thereof |
| CN101423447A (en) * | 2008-11-15 | 2009-05-06 | 安徽江南化工股份有限公司 | Production process for primary continuous emulsification of powdery emulsifying explosive |
-
2010
- 2010-04-06 CN CN201010139100A patent/CN101792360A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1085202A (en) * | 1993-09-29 | 1994-04-13 | 北京矿冶研究总院(贯荔) | Powdery emulsifying explosive and preparation method thereof |
| CN101423447A (en) * | 2008-11-15 | 2009-05-06 | 安徽江南化工股份有限公司 | Production process for primary continuous emulsification of powdery emulsifying explosive |
Non-Patent Citations (2)
| Title |
|---|
| 《工业炸药理论》 20030331 吕春绪等 工业炸药通论 第25-26页 , 1 * |
| 《火炸药学报》 20061230 叶志文等 高能乳化炸药的制备及性质 第6-8，15页 1-6 第29卷, 第6期 2 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103159576A (en) * | 2011-12-12 | 2013-06-19 | 薛世忠 | Low-viscosity pumpable emulsion explosive substrate and preparation method thereof |
| CN103159576B (en) * | 2011-12-12 | 2015-04-15 | 青岛拓极采矿服务有限公司 | Low-viscosity pumpable emulsion explosive substrate and preparation method thereof |
| CN102731223A (en) * | 2012-02-27 | 2012-10-17 | 湖北凯龙化工集团股份有限公司 | Method for producing emulsion explosive by using resin microspheres and dedicated emulsion sensitization machine thereof |
| CN104447146A (en) * | 2014-12-09 | 2015-03-25 | 福建海峡科化股份有限公司 | Preparation method of deepwater pressure-resistant emulsified explosive |
| CN112500251A (en) * | 2020-12-18 | 2021-03-16 | 安徽金奥博化工科技有限公司 | Bulk emulsion explosive charged in upward hole and preparation method thereof |
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Application publication date: 20100804 |