CN103159576A - Low-viscosity pumpable emulsion explosive substrate and preparation method thereof - Google Patents
Low-viscosity pumpable emulsion explosive substrate and preparation method thereof Download PDFInfo
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- CN103159576A CN103159576A CN2011104106586A CN201110410658A CN103159576A CN 103159576 A CN103159576 A CN 103159576A CN 2011104106586 A CN2011104106586 A CN 2011104106586A CN 201110410658 A CN201110410658 A CN 201110410658A CN 103159576 A CN103159576 A CN 103159576A
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Abstract
The invention relates to an emulsion explosive, and especially relates to a low-viscosity pumpable emulsion explosive substrate and a preparation method thereof. The emulsion explosive substrate is obtained through an emulsification effect of an oxidant salt solution and an oil phase. The oxidant aqueous solution comprises ammonium nitrate, thiourea, sodium carbonate and water. The oil phase comprises an oil content and an emulsification agent. The emulsification agent is a mixture of a polyisobutylene succinic anhydride emulsification agent and span-80. The low-viscosity pumpable emulsion explosive substrate provided by the invention has low viscosity, and can be delivered by using a piston pump or a screw pump at an input pressure of only 0.4MPa. The delivering distance can reach 50m, and an advantage of convenient delivery is provided.
Description
Technical field
The present invention relates to emulsion explosive, but relate in particular to a kind of low viscosity pumpable emulsion explosive matrix and preparation method thereof.
Background technology
Traditional process of dynamite substrate, in order to guarantee that explosive has desirable blast performance index, water content is only in 13% left and right, multiple starting material have been designed simultaneously, guarantee that explosive possesses good blast performance, blast performance has met the demands, and emulsifying base viscosity increases, input pressure is large, especially bulk emulsifying explosive matrix aspect.
Traditional process of dynamite substrate is in the time of 78-90 ℃, viscosity is 25-40BU, more than viscosity reaches 50BU in the time of 0 ℃, even larger, be unfavorable for very much pumping, if adopt pumping, even the input pressure of 0.7Mpa also will be provided at normal temperatures, the input pressure that needs is larger, and the diameter of output pencil is also very large, can't realize remote conveying.
Because input pressure is large, must cause the safety and reliability of system itself to reduce, and then the risk of bringing the pumping explosive article to produce.
Summary of the invention
The present invention is intended to overcome the deficiency that above prior art exists, but a kind of low viscosity pumpable emulsion explosive matrix is provided.
But another object of the present invention is to provide a kind of preparation method of low viscosity pumpable emulsion explosive matrix.
Technical scheme of the present invention is as follows:
For achieving the above object, but low viscosity pumpable emulsion explosive matrix of the present invention formed through emulsifying effect by the oxidizer salt aqueous solution and oil phase, the described oxidizer salt aqueous solution comprises each component of following weight part:
79～85 parts, ammonium nitrate
0.1～0.2 part of thiocarbamide
15～20 parts, water;
Consisting of of described oil phase: oil content and emulsifying agent, its weight ratio are (2.5～3.6): 1, and wherein said oil content is mixture or the mixture of paraffin oil and vegetables oil or the mixture of paraffin oil, machine oil and vegetables oil of paraffin oil or paraffin oil and machine oil;
Described emulsifying agent is the mixture of polyisobutylene butanedioic anhydride emulsifying agent and sorbester p17.
Further, the weight ratio of described polyisobutylene butanedioic anhydride emulsifying agent and sorbester p17 is 1: (0.01～1).
Further, the weight ratio of described polyisobutylene butanedioic anhydride emulsifying agent and sorbester p17 is preferably 1: 0.5.
Further, in described oil content, the content of paraffin oil preferably is not less than 50% by weight.
Further, described process of dynamite substrate is preferably formed through emulsifying effect by the oxidizer salt aqueous solution of 92～95 weight parts and the oil phase of 5～8 weight parts.
Further, described polyisobutylene butanedioic anhydride emulsifying agent be preferably the model that Lubrizol produces be in LZ2820, LZ2745, LZ2731, LZ2735, LZ2721 and LZ270011 polyisobutene succinic acid liver emulsifying agent one or more mixing or the emulsifying agent of other brand of the identical polyisobutene succinic acid liver of performance.
In addition, but can make low viscous emulsion explosive by low viscosity pumpable emulsion explosive matrix of the present invention after the sensitizing solution sensitization, the amount ratio of process of dynamite substrate and sensitizing solution is (98～102) by weight: (2.8～3.2), consisting of of described sensitizing solution: Sodium Nitrite, Sodium Thiocyanate 99/sodium bicarbonate, water, its weight ratio are (0.9～1.1): (0.9～1.1): (23～29).
But the present invention also provides a kind of preparation method of low viscosity pumpable emulsion explosive matrix, comprises the steps:
(1) oxidizer salt aqueous solution preparation: with ammonium nitrate, thiocarbamide is water-soluble and be heated to 80 ℃～90 ℃, with pH value conditioning agent, the pH value is adjusted to 3.5～4.0, add diatomite adsorbant after the solution preparation finishes, become the pure oxidizer salt aqueous solution through the circulation suction filtration standby;
(2) oil phase preparation: melt-blended evenly rear filtration the under ℃ condition of temperature 70 C～80 with oil content and emulsifying agent, standby;
(3) matrix composition: with the oxidizer salt aqueous solution 92～95 weight parts, oil phase 5～8 weight parts add emulsor through flow director, and emulsification forms the emulsifying base of water-in-oil-type under 78 ℃～90 ℃ conditions.
Further, described pH value conditioning agent comprises alkaline conditioner and acid regulator, and described alkaline conditioner is selected from sodium hydroxide or sodium carbonate, and described acid regulator is acetic acid.
But by low viscosity pumpable emulsion explosive matrix of the present invention and sensitizing solution by (98～102): the weight ratio of (2.8～3.2) is through pack into big gun hole of the on-site mixed equipment of emulsion explosive, and namely being sensitized as density through 15～20 minutes under 0～90 ℃ of condition of temperature is 1.00～1.30g/cm
3Explosive.
Beneficial effect of the present invention is as follows:
(1) but low viscosity pumpable emulsion explosive matrix of the present invention, viscosity is low, in the time of 78-90 ℃, be only 14-20BU, the existing process of dynamite substrate of viscosity ratio reduces greatly, and this process of dynamite substrate is when having guaranteed explosive property, when carrying with ram pump or spiral pump, just can normally carry when input pressure only is 0.4Mpa, solved the pumping problem of emulsion explosive, facilitated the conveying of explosive.
(2) because viscosity is low sticking, the emulsifying base transfer lime can adopt pipe with small pipe diameter, and the transfer lime bore just can normally be carried when only 19mm being arranged.
(3) because viscosity is low, fed distance increases, and fed distance can reach 50 meters, and the effective and safe distance is 60 meters farthest.
(4) in addition pumpable process of dynamite substrate of the present invention also to have a raw material simple, be only three kinds or four kinds as oil phase material, moisture moderate (being about 17%), viscosity is the little advantage of variation range at normal temperatures.
(5) use vegetables oil in the oil content of oil phase, even make the process of dynamite substrate that makes also be difficult for solidifying when temperature is low, viscosity is lower, facilitates pumping.
Embodiment
Describe the present invention below in conjunction with specific embodiment, but the present invention is not limited to cited embodiment.
Embodiment 1
With ammonium nitrate 79.9kg, thiocarbamide 0.122kg, water 14.1kg, 80 ℃ mix after, with sodium hydroxide and acetic acid, the pH value is adjusted to 3.5, recording its crystallization point is 70 ℃, solution turbidity is 0.8NTU, add diatomite adsorbant in solution, through strainer, secondary filter altogether suction filtration to become the pure oxidizer salt aqueous solution in 30 minutes standby; With the LZ2820 polyisobutylene butanedioic anhydride emulsifying agent of 0.89kg, the sorbester p17 of 0.89kg, the paraffin oil of 6.22kg melt-blendedly evenly makes oil phase at 70 ℃, and is standby; The oxidizer salt aqueous solution and the oil phase of above-mentioned acquisition are formed the process of dynamite substrate of water-in-oil-type through emulsification under 80 ℃ of conditions in emulsor, after measured, viscosity is 15BU; Sodium Nitrite 0.09kg, sodium bicarbonate 0.09kg, water 2.62kg are configured to sensitizing solution; With above-mentioned process of dynamite substrate and sensitizing solution through pack into big gun hole of the on-site mixed equipment of emulsion explosive, under 40 ℃ of conditions of temperature through sensitization in 15 minutes, obtain emulsion explosive, (GB GB/18095-2000 after measured, following examples adopt the measuring method identical with the present embodiment), density is 1.1g/cm
3
After measured, the process of dynamite substrate in the present embodiment adopt ram pump normally to carry when input pressure is 0.4Mpa, but fed distance reaches 50m when internal diameter of delivery hose is 19mm.
According to GB/T13228-1991 Detonation Velocity for Industrial Explosives measuring method, the explosion velocity of explosive in the present embodiment that test records is 4800m/s.
Embodiment 2
With ammonium nitrate 65kg, thiocarbamide 0.08kg, water 14.6kg, 84 ℃ mix after, with sodium hydroxide and acetic acid, the pH value is adjusted to 3.7, recording its crystallization point is 71 ℃, solution turbidity is 0.9NTU, add diatomite adsorbant in solution, through strainer, secondary filter altogether suction filtration to become the pure oxidizer salt aqueous solution in 30 minutes standby; With the LZ2745 polyisobutylene butanedioic anhydride emulsifying agent of 1.683kg, the sorbester p17 of 0.017kg, the paraffin oil of 4.3kg and the mixture of machine oil (wherein, paraffin oil 2.3kg, machine oil 2kg) melt-blendedly evenly make oil phase at 80 ℃, and be standby; The oxidizer salt aqueous solution and the oil phase of above-mentioned acquisition are formed the process of dynamite substrate of water-in-oil-type through emulsification under 78 ℃ of conditions in emulsor, after measured, viscosity is 18BU; Sodium Nitrite 0.12kg, Sodium Thiocyanate 99 0.14kg, water 2.94kg are configured to sensitizing solution; Above-mentioned process of dynamite substrate and sensitizing solution through pack into big gun hole of the on-site mixed equipment of emulsion explosive, through sensitization in 20 minutes, are obtained emulsion explosive under 90 ℃ of conditions of temperature, after measured, density is 1.2g/cm
3
After measured, the process of dynamite substrate that makes in the present embodiment adopt ram pump normally to carry when input pressure is 0.4Mpa, but fed distance reaches 50m when internal diameter of delivery hose is 19mm.
According to GB/T13228-1991 Detonation Velocity for Industrial Explosives measuring method, the explosion velocity of explosive in the present embodiment that test records is 4901m/s.
Embodiment 3
With ammonium nitrate 76.5kg, thiocarbamide 0.184kg, water 18.4kg, 90 ℃ mix after, with sodium carbonate and acetic acid, the pH value is adjusted to 4.0, recording its crystallization point is 71 ℃, solution turbidity is 0.8NTU, add diatomite adsorbant in solution, through strainer, secondary filter altogether suction filtration to become the pure oxidizer salt aqueous solution in 30 minutes standby; With the LZ2731 polyisobutylene butanedioic anhydride emulsifying agent of 0.84kg, the sorbester p17 of 0.42kg, the paraffin oil of 3.75kg and the mixture of vegetables oil (wherein, paraffin oil 2kg, vegetables oil 1.75kg) melt-blendedly evenly make oil phase at 75 ℃, and be standby; The oxidizer salt aqueous solution and the oil phase of above-mentioned acquisition are formed the process of dynamite substrate of water-in-oil-type through emulsification under 90 ℃ of conditions in emulsor, after measured, viscosity is 20BU; Sodium Nitrite 0.12kg, Sodium Thiocyanate 99 0.1kg, water 2.78kg are configured to sensitizing solution; Above-mentioned process of dynamite substrate and sensitizing solution through pack into big gun hole of the on-site mixed equipment of emulsion explosive, through sensitization in 15 minutes, are obtained emulsion explosive under 0 ℃ of condition of temperature, after measured, density is 1.3g/cm
3
After measured, the process of dynamite substrate in the present embodiment adopt ram pump normally to carry when input pressure is 0.4Mpa, but fed distance reaches 50m when internal diameter of delivery hose is 19mm.
According to GB/T13228-1991 Detonation Velocity for Industrial Explosives measuring method, the explosion velocity of explosive in the present embodiment that test records is 4930m/s.
Embodiment 4
With ammonium nitrate 79.9kg, thiocarbamide 0.122kg, water 14.1kg, 80 ℃ mix after, with sodium carbonate and acetic acid, the pH value is adjusted to 3.7, recording its crystallization point is 69 ℃, solution turbidity is 0.9NTU, add diatomite adsorbant in solution, through strainer, secondary filter altogether suction filtration to become the pure oxidizer salt aqueous solution in 30 minutes standby; Mixture with the polyisobutylene butanedioic anhydride emulsifying agent of the LZ2735 of 1.62kg and LZ2721 model, 0.16kg sorbester p17, the mixture of the vegetables oil of 6.22kg and paraffin oil, machine oil (wherein paraffin oil 4kg, machine oil 2.22kg) 79 ℃ melt-blended evenly, make oil phase, standby; The oxidizer salt aqueous solution and the oil phase of above-mentioned acquisition are formed the process of dynamite substrate of water-in-oil-type through emulsification under 80 ℃ of conditions in emulsor, after measured, viscosity is 19BU; Sodium Nitrite 0.09kg, Sodium Thiocyanate 99 0.09kg, water 2.62kg are configured to sensitizing solution; Above-mentioned matrix and sensitizing solution through pack into big gun hole of the on-site mixed equipment of emulsion explosive, through sensitization in 15 minutes, are obtained emulsion explosive under the temperature 60 C condition, after measured, density is 1.1g/cm
3
After measured, the process of dynamite substrate in the present embodiment adopt ram pump normally to carry when input pressure is 0.4Mpa, but fed distance reaches 50m when internal diameter of delivery hose is 19mm.
According to GB/T13228-1991 Detonation Velocity for Industrial Explosives measuring method, the explosion velocity of explosive in the present embodiment that test records is 4803m/s.
Embodiment 5
With ammonium nitrate 79.9kg, thiocarbamide 0.122kg, water 14.1kg, 80 ℃ mix after, with sodium hydroxide and acetic acid, the pH value is adjusted to 3.6, recording its crystallization point is 71 ℃, solution turbidity is 0.9NTU, add diatomite adsorbant in solution, through strainer, secondary filter altogether suction filtration to become the pure oxidizer salt aqueous solution in 30 minutes standby; LZ270011 polyisobutylene butanedioic anhydride emulsifying agent with 0.89kg, 0.89kg sorbester p17, the mixture of 6kg paraffin oil, machine oil and vegetables oil (wherein paraffin oil 3.5kg, machine oil 1kg, vegetables oil 1.5kg), 70 ℃ melt-blended evenly, make oil phase, standby; The oxidizer salt aqueous solution and the oil phase of above-mentioned acquisition are formed the process of dynamite substrate of water-in-oil-type through emulsification under 80 ℃ of conditions in emulsor, after measured, viscosity is 14BU; Sodium Nitrite 0.09kg, Sodium Thiocyanate 99 0.09kg, water 2.62kg are configured to sensitizing solution; Above-mentioned matrix and sensitizing solution through pack into big gun hole of the on-site mixed equipment of emulsion explosive, through sensitization in 15 minutes, are obtained the emulsion explosive explosive under 40 ℃ of conditions of temperature, after measured, density is 1.2g/cm
3
After measured, the process of dynamite substrate in the present embodiment adopt ram pump normally to carry when input pressure is 0.4Mpa, but fed distance reaches 50m when internal diameter of delivery hose is 19mm.
According to GB/T13228-1991 Detonation Velocity for Industrial Explosives measuring method, the explosion velocity of explosive in the present embodiment that test records is 4904m/s.
The polyisobutylene butanedioic anhydride emulsifying agent of the different model in above each embodiment is Lubrizol company and produces, and the manufacturer of sorbester p17 is the Poly people quick-fried Jinan Science and Technology Ltd..The viscosity of process of dynamite substrate is in the time of 80 ℃, and with the viscosity that No. 7 rotors of RV type record under the rotating speed of 50rpm, the rotor of this model measured viscosity unit is BU, viscosity number multiply by 800 namely the unit of being convertible into be the viscosity number of centipoise.
But low viscosity pumpable emulsion explosive matrix of the present invention is preferably in loading hose exit employing low resistance mixing tank during on-the-spot powder charge, make the well-mixed while of matrix and sensitizing solution, and resistance is less.
Claims (9)
- But 1. low viscosity pumpable emulsion explosive matrix, described matrix is to be formed through emulsifying effect by the oxidizer salt aqueous solution and oil phase, it is characterized in that,The described oxidizer salt aqueous solution comprises each component of following weight part:79～85 parts, ammonium nitrate0.1～0.2 part of thiocarbamide15～20 parts, water;Consisting of of described oil phase: oil content and emulsifying agent, its weight ratio are (2.5～3.6): 1, and wherein said oil content is mixture or the mixture of paraffin oil and vegetables oil or the mixture of paraffin oil, machine oil and vegetables oil of paraffin oil or paraffin oil and machine oil;Described emulsifying agent is the mixture of polyisobutylene butanedioic anhydride emulsifying agent and sorbester p17.
- 2. but low viscosity pumpable emulsion explosive matrix according to claim 1, is characterized in that, the weight ratio of described polyisobutylene butanedioic anhydride emulsifying agent and sorbester p17 is 1: (0.01～1).
- 3. but low viscosity pumpable emulsion explosive matrix according to claim 2, is characterized in that, the weight ratio of described polyisobutylene butanedioic anhydride emulsifying agent and sorbester p17 is 1: 0.5.
- 4. but low viscosity pumpable emulsion explosive matrix according to claim 1, is characterized in that, in described oil content, the content of paraffin oil is not less than 50% by weight.
- 5. but low viscosity pumpable emulsion explosive matrix according to claim 2, is characterized in that, described emulsifying base is formed through emulsifying effect by the oxidizer salt aqueous solution of 92～95 weight parts and the oil phase of 5～8 weight parts.
- 6. but low viscosity pumpable emulsion explosive matrix according to claim 2, it is characterized in that, described polyisobutylene butanedioic anhydride emulsifying agent is that model that Lubrizol produces is one or more the mixing in LZ2820, LZ2745, LZ2731, LZ2735, LZ2721 and LZ270011 polyisobutene succinic acid liver emulsifying agent.
- 7. a low viscosity emulsion explosive, is characterized in that, made through the sensitizing solution sensitization by the described matrix of claim 1-6 any one, and the amount ratio of matrix and sensitizing solution is (98～102) by weight: (2.8～3.2).
- 8. but the preparation method of the described low viscosity pumpable emulsion of a claim 1-6 any one explosive matrix, is characterized in that, comprises the steps:(1) oxidizer salt aqueous solution preparation: with ammonium nitrate, thiocarbamide is water-soluble and be heated to 80 ℃～90 ℃, with pH value conditioning agent, the pH value is adjusted to 3.5～4.0, add diatomite adsorbant after the solution preparation finishes, become the pure oxidizer salt aqueous solution through the circulation suction filtration standby;(2) oil phase preparation: melt-blended evenly rear filtration the under ℃ condition of temperature 70 C～80 with oil content and emulsifying agent, standby;(3) matrix composition: with the oxidizer salt aqueous solution 92～95 weight parts, oil phase 5～8 weight parts add emulsor through flow director, and emulsification forms the process of dynamite substrate of water-in-oil-type under 78 ℃～90 ℃ conditions.
- 9. but the preparation method of low viscosity pumpable emulsion explosive matrix according to claim 8, it is characterized in that, described pH value conditioning agent comprises alkaline conditioner and acid regulator, and described alkaline conditioner is selected from sodium hydroxide or sodium carbonate, and described acid regulator is acetic acid.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110410658.6A CN103159576B (en) | 2011-12-12 | 2011-12-12 | Low-viscosity pumpable emulsion explosive substrate and preparation method thereof |
| PCT/CN2012/082751 WO2013056631A1 (en) | 2011-10-20 | 2012-10-11 | Low-carbon environmental emulsion explosive, preparation method thereof and preparation device for oxidant salt aqueous solution |
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| CN201110410658.6A CN103159576B (en) | 2011-12-12 | 2011-12-12 | Low-viscosity pumpable emulsion explosive substrate and preparation method thereof |
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| CN103159576B CN103159576B (en) | 2015-04-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104211549A (en) * | 2014-09-04 | 2014-12-17 | 葛洲坝易普力股份有限公司 | Preparation method of mixed-charged emulsion explosive |
| CN106083497A (en) * | 2016-06-23 | 2016-11-09 | 湖北同石油化工有限公司 | A kind of LZ2735 emulsifying agent and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1594243A (en) * | 2004-06-20 | 2005-03-16 | 广东华威化工实业有限公司 | Emulsified detonator and method for preparing same |
| CN101037373A (en) * | 2007-04-19 | 2007-09-19 | 贵州宏福实业开发有限总公司 | Emulsion explosive additive |
| CN101445417A (en) * | 2008-12-30 | 2009-06-03 | 本钢板材股份有限公司 | Composition for manufacturing emulsion explosives |
| CN101475424A (en) * | 2009-01-24 | 2009-07-08 | 湖南南岭民用爆破器材股份有限公司 | High power emulsified explosive |
| CN101792360A (en) * | 2010-04-06 | 2010-08-04 | 陕西红旗民爆集团股份有限公司 | Emulsion explosive with high stability during storage period |
| CN101948362A (en) * | 2010-09-09 | 2011-01-19 | 广东华威化工实业有限公司 | High-power emulsion explosive and preparation method thereof |
-
2011
- 2011-12-12 CN CN201110410658.6A patent/CN103159576B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1594243A (en) * | 2004-06-20 | 2005-03-16 | 广东华威化工实业有限公司 | Emulsified detonator and method for preparing same |
| CN101037373A (en) * | 2007-04-19 | 2007-09-19 | 贵州宏福实业开发有限总公司 | Emulsion explosive additive |
| CN101445417A (en) * | 2008-12-30 | 2009-06-03 | 本钢板材股份有限公司 | Composition for manufacturing emulsion explosives |
| CN101475424A (en) * | 2009-01-24 | 2009-07-08 | 湖南南岭民用爆破器材股份有限公司 | High power emulsified explosive |
| CN101792360A (en) * | 2010-04-06 | 2010-08-04 | 陕西红旗民爆集团股份有限公司 | Emulsion explosive with high stability during storage period |
| CN101948362A (en) * | 2010-09-09 | 2011-01-19 | 广东华威化工实业有限公司 | High-power emulsion explosive and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104211549A (en) * | 2014-09-04 | 2014-12-17 | 葛洲坝易普力股份有限公司 | Preparation method of mixed-charged emulsion explosive |
| CN106083497A (en) * | 2016-06-23 | 2016-11-09 | 湖北同石油化工有限公司 | A kind of LZ2735 emulsifying agent and preparation method thereof |
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