CN105218282A - Gluey emulsion explosive of a kind of low temperature resistant water resisting property and preparation method thereof - Google Patents
Gluey emulsion explosive of a kind of low temperature resistant water resisting property and preparation method thereof Download PDFInfo
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Abstract
The invention discloses the gluey emulsion explosive of a kind of low temperature resistant water resisting property, each component of emulsion explosive comprises following component: ammonium nitrate, SODIUMNITRATE, sodium perchlorate, nitrocalcite, urea, oil phase, water, emulsifying agent, sensitizing agent, auxiliary sensitizing agent, crystal modification agent, polyvinyl alcohol; Wherein, emulsifying agent is polyisobutene diacid hydramine; Sensitizing agent is Sodium Nitrite or bicarbonate of ammonia; Crystal modification agent is Sodium dodecylbenzene sulfonate; Auxiliary sensitizing agent is one or more mixtures in glass microsphere, resin microsphere, perlite, fine perlite; The present invention have also been devised the preparation method of the gluey emulsion explosive of a kind of low temperature resistant water resisting property, this explosive of the present invention not only water repelling property is good, can be stored in the water of flowing, and this explosive medicine body structure is survivable under cryogenic, under can being stored in the condition compared with low temperature; When this emulsion explosive detonates simultaneously, the gas toxicity of release is little, and raw material is easy to get, and cost is relatively cheap, and it is simple to prepare this Explosive Technology, with low cost.
Description
Technical field
The present invention relates to a kind of emulsion explosive and preparation method thereof, be specifically related to gluey emulsion explosive of a kind of low temperature resistant water resisting property and preparation method thereof.
Background technology
Emulsion explosive is a kind of new W/O type Polymeric ammoniumnitrate explosives, this explosive with the aqueous solution of ammonium nitrate, nitrate etc. for disperse phase, with carbonaceous oil phase for external phase, a kind of water-in-oil-type pyrotechnic composition prepared by a series of emulsification production technique.Due to the water-in-oil-type structure that emulsion explosive is special, make it have water repelling property strong, mechanical sensitivity is low, the advantages such as blast performance is good, need to adopt the toxic substances such as TNT as compared with sensitizing agent with an-tnt explosive, emulsion explosive itself can be made to have cap-sensitivity by sensitized treatment, therefore aftergases is produced few, use safety environmental protection, the performance of explosive own have also been obtained and significantly improves, and therefore emulsion explosive is the direction of Industrial Explosive in Our Country development.
But find when using emulsion explosive, when using in high latitude area, after low-temperature transport, preservation, in use, miss-firing appears in powder stick, and powder stick outward appearance occurs shortening hardening phenomenon, finds medicine body breakdown of emulsion after further examination, water-phase material crystallization.There are historical records, northern China winter minimum temperature reaches more than-40 DEG C, the temperature in normal time-30 DEG C is annual also at about 20 days, therefore existing emulsion explosive, medicine body structure destructible at low temperatures, be not suitable for north of china in winter normally use and store, therefore developing the gluey emulsion explosive of a kind of low temperature resistant water resistant type is the problem that the art personnel need solution badly.
Summary of the invention
Technical problem to be solved by this invention is, for the shortcoming that above prior art exists, gluey emulsion explosive of a kind of low temperature resistant water resisting property and preparation method thereof is proposed, this explosive not only water repelling property is good, can be stored in the water of flowing, even deep water place, and this emulsion explosive medicine body structure is survivable under cryogenic, under can being stored in the condition compared with low temperature; When this emulsion explosive detonates simultaneously, the gas toxicity of release is little, and raw material is easy to get, and cost is relatively cheap, and it is simple to prepare this Explosive Technology, with low cost.
The technical scheme that the present invention solves above technical problem is:
The gluey emulsion explosive of a kind of low temperature resistant water resisting property, emulsion explosive each components in mass portion meter comprises following component:
Ammonium nitrate: 60-80 part, SODIUMNITRATE: 10-15 part, sodium perchlorate: 5-10 part, nitrocalcite: 5-10 part, urea: 1-3 part, oil phase: 15-30 part, water: 35-45 part, emulsifying agent: 2-4 part, sensitizing agent: 4-6 part, auxiliary sensitizing agent: 0.5-1.5 part, crystal modification agent: 0.5-1.5 part, polyvinyl alcohol: 0.8-1.2 part;
Wherein, emulsifying agent is polyisobutene diacid hydramine; Described sensitizing agent is Sodium Nitrite or bicarbonate of ammonia; Described crystal modification agent is Sodium dodecylbenzene sulfonate; Described auxiliary sensitizing agent is one or more mixtures in glass microsphere, resin microsphere, perlite, fine perlite; Described oil phase comprises by mass parts: paraffin: 5-10 part, heavy oil: 2-5 part, Microcrystalline Wax: 3-5 part, lubricating oil: 5-10 part; The molecular weight of described polyvinyl alcohol is 25000-30000;
The technical scheme that the present invention limits further is:
In the gluey emulsion explosive of aforementioned low temperature resistant water resisting property, the concrete preparation method of emulsifying agent is as follows:
(1) in the there-necked flask that nitrogen ingress pipe and reflux condensate device be housed, highly active polyisobutene is added, be heated to 90-95 DEG C, in polyisobutene, slowly add solid maleic anhydride simultaneously, control stirring velocity is 400-450r/min, maleic anhydride is made all to melt and mix with polyisobutene, under nitrogen protection atmosphere, raised temperature to 150 DEG C gradually, after temperature-stable, di-t-butyl peroxide is dissolved in dimethylbenzene, then be added drop-wise in reactor, last isothermal reaction 7-8h, finally mixing solutions vacuum rotary steam is removed unnecessary maleic anhydride and solvent, both polyisobutylene butanedioic anhydride intermediate had been obtained,
The mol ratio of wherein said maleic anhydride and highly active polyisobutene is 1-1.5:1, and described di-t-butyl peroxide and the mass ratio of high-activity polyisobutene are 1:20-25;
(2) the polyisobutylene butanedioic anhydride intermediate obtained in above-mentioned steps (1) is added be equipped with in the there-necked flask of nitrogen conduit, and add solvent xylene, heat to 60 DEG C, open magnetic agitation, after polyisobutylene butanedioic anhydride dissolves completely, in flask, drip trolamine by constant pressure funnel, raw material is mixed, under nitrogen protection atmosphere, be warming up to 130 DEG C gradually, isothermal reaction 3-4h, namely obtain emulsifying agent polyisobutene diacid hydramine;
Wherein, described polyisobutylene butanedioic anhydride and the mol ratio 1:2-2.5 of trolamine.
In the gluey emulsion explosive of aforementioned low temperature resistant water resisting property, emulsion explosive each components in mass portion meter comprises following component:
Ammonium nitrate: 60 parts, SODIUMNITRATE: 12 parts, sodium perchlorate: 10 parts, nitrocalcite: 5 parts, urea: 2 parts, oil phase: 24 parts, water: 40 parts, emulsifying agent: 3 parts, sensitizing agent: 4 parts, auxiliary sensitizing agent: 0.5 part, crystal modification agent: 1.5 parts, polyvinyl alcohol: 1.2 parts.
In the gluey emulsion explosive of aforementioned low temperature resistant water resisting property, emulsion explosive each components in mass portion meter comprises following component:
Ammonium nitrate: 80 parts, SODIUMNITRATE: 10 parts, sodium perchlorate: 5 parts, nitrocalcite: 10 parts, urea: 1 part, oil phase: 15 parts, water: 35 parts, emulsifying agent: 2 parts, sensitizing agent: 5 parts, auxiliary sensitizing agent: 1.5 parts, crystal modification agent: 0.5 part, polyvinyl alcohol: 0.8 part.
In the gluey emulsion explosive of aforementioned low temperature resistant water resisting property, emulsion explosive each components in mass portion meter comprises following component:
Ammonium nitrate: 70 parts, SODIUMNITRATE: 10 parts, sodium perchlorate: 8 parts, nitrocalcite: 8 parts, urea: 3 parts, oil phase: 30 parts, water: 45 parts, emulsifying agent: 4 parts, sensitizing agent: 6 parts, auxiliary sensitizing agent: 0.9 part, crystal modification agent: 0.9 part, polyvinyl alcohol: 1.0 parts.
Preparation method's concrete steps that the present invention have also been devised the gluey emulsion explosive of a kind of low temperature resistant water resisting property are as follows:
Step one: prepared by aqueous phase: join in dissolving vessel by the water in above-mentioned formula, habit modifier, polyvinyl alcohol, ammonium nitrate, SODIUMNITRATE, sodium perchlorate, nitrocalcite, urea, heating in water bath also makes it dissolve with whipping appts, obtain clear transparent solutions, keep 60-65 DEG C of constant temperature; Insulation 30-40min;
Step 2: prepared by oil phase: join in another dissolving vessel by the paraffin in above-mentioned formula, heavy oil, Microcrystalline Wax, lubricating oil, heated and stirred to melting, then adds emulsifying agent and polyvinyl alcohol stirs, and keeps 90-95 DEG C constant temperature, keep 20-30min, wherein:
Step 3: emulsification: oil phase stirring velocity is set as 500-600r/min, then be transported in 30s in oil phase by aqueous phase solution, course of conveying requires first slow rear fast, continues to keep 800-850r/min after two-phase mixes completely, stir 5-8min, to ensure two-phase uniformly emulsify;
Step 4: cooling: the emulsifying base after emulsification to be transported on cooler continuous coo1ing to 25-30 DEG C;
Step 5: sensitization: the process of dynamite substrate of cooling is transported in sensitizing machine, and add sensitizing agent and auxiliary sensitizing agent starts sensitization, sensitizing temperature is 40-45 DEG C, limit sensitization limit discharging, then filters through the strainer of 60 mesh filter screens;
Step 6: powder charge and packaging: the emulsion explosive prepared is loaded powder stick, it is for subsequent use that wax sealing is stained with at powder stick two, obtains the gluey emulsion explosive finished product of low temperature resistant water resisting property.
The invention has the beneficial effects as follows:
(1) product of the present invention is in use, and not only water repelling property is good, can be stored in the water of flowing, even deep water place, and this emulsion explosive medicine body structure is survivable under cryogenic, under can being stored in the condition compared with low temperature; When this emulsion explosive detonates simultaneously, the gas toxicity of release is little, and raw material is easy to get, and cost is relatively cheap.
(2) after adding polyvinyl alcohol in the present invention, the stability of emulsion explosive significantly improves, and polyvinyl alcohol can strengthen oil in water emulsion film strength and toughness, prevents the coalescent of emulsified particle, and enhances the water resisting property of finished product.
(3) habit modifier added in the present invention can control the crystal formation of separating out, adding of habit modifier, mixed micellazation can be formed in the solution with emulsifying agent, the hydrophobic interaction of C-H bond in mixture is made more easily to form micelle, and at Adsorption at surface of solution, reduce surface tension, broken the dissolving crystallized of supersaturation nitrate and balanced each other, balance is moved to dissolving direction, its crystallization point is reduced.
(4) when habit modifier and macrogol being acted synergistically in the present invention, nucleus can be suppressed to generate, strengthen result of use.
(5) the present invention has synthesized a kind of novel hydramine macromolecule emulsifier, this emulsifying agent belongs to polymer oleophilic group emulsifying agent, the more traditional emulsifying agent of its emulsifying effectiveness is improved largely, and the synthesis technique of emulsifying agent is simple, improve the operability of experiment, production cost is reduced greatly.
Embodiment
embodiment 1
The present embodiment provides a kind of low temperature resistant water resisting property gluey emulsion explosive, and emulsion explosive each components in mass portion meter comprises following component:
Ammonium nitrate: 60 parts, SODIUMNITRATE: 12 parts, sodium perchlorate: 10 parts, nitrocalcite: 5 parts, urea: 2 parts, oil phase: 24 parts, water: 40 parts, emulsifying agent polyisobutene diacid hydramine: 3 parts, sensitizing agent Sodium Nitrite: 4 parts, auxiliary sensitizing agent glass microsphere: 0.5 part, crystal modification agent Sodium dodecylbenzene sulfonate: 1.5 parts, polyvinyl alcohol: 1.2 parts;
Oil phase comprises by mass parts: paraffin: 10 parts, heavy oil: 4 parts, Microcrystalline Wax: 5 parts, lubricating oil: 10 parts; The molecular weight of polyvinyl alcohol is 25000;
The concrete preparation method of emulsifying agent is as follows:
(1) in the there-necked flask that nitrogen ingress pipe and reflux condensate device be housed, highly active polyisobutene is added, be heated to 90 DEG C, in polyisobutene, slowly add solid maleic anhydride simultaneously, control stirring velocity is 450r/min, maleic anhydride is made all to melt and mix with polyisobutene, under nitrogen protection atmosphere, raised temperature to 150 DEG C gradually, after temperature-stable, di-t-butyl peroxide is dissolved in dimethylbenzene, then be added drop-wise in reactor, last isothermal reaction 7h, finally mixing solutions vacuum rotary steam is removed unnecessary maleic anhydride and solvent, both polyisobutylene butanedioic anhydride intermediate had been obtained,
The mol ratio of wherein said maleic anhydride and highly active polyisobutene is 1-1.5:1, and described di-t-butyl peroxide and the mass ratio of high-activity polyisobutene are 1:20-25;
(2) the polyisobutylene butanedioic anhydride intermediate obtained in above-mentioned steps (1) is added be equipped with in the there-necked flask of nitrogen conduit, and add solvent xylene, heat to 60 DEG C, open magnetic agitation, after polyisobutylene butanedioic anhydride dissolves completely, in flask, drip trolamine by constant pressure funnel, raw material is mixed, under nitrogen protection atmosphere, be warming up to 130 DEG C gradually, isothermal reaction 3h, namely obtain emulsifying agent polyisobutene diacid hydramine;
Wherein, the mol ratio 1:2-2.5 of polyisobutylene butanedioic anhydride and trolamine.
Preparation method's concrete steps of the gluey emulsion explosive of above-mentioned low temperature resistant water resisting property are as follows:
Step one: prepared by aqueous phase: join in dissolving vessel by the water in above-mentioned formula, habit modifier Sodium dodecylbenzene sulfonate, polyvinyl alcohol, ammonium nitrate, SODIUMNITRATE, sodium perchlorate, nitrocalcite, urea, heating in water bath also makes it dissolve with whipping appts, obtain clear transparent solutions, keep 60 DEG C of constant temperature; Insulation 35min;
Step 2: prepared by oil phase: join in another dissolving vessel by the paraffin in above-mentioned formula, heavy oil, Microcrystalline Wax, lubricating oil, heated and stirred to melting, then adds emulsifying agent polyisobutene diacid hydramine and polyvinyl alcohol stirs, and keeps 90 DEG C of constant temperature, keep 30min, wherein:
Step 3: emulsification: oil phase stirring velocity is set as 550r/min, then be transported in 30s in oil phase by aqueous phase solution, course of conveying requires first slow rear fast, continues to keep 800r/min after two-phase mixes completely, stir 8min, to ensure two-phase uniformly emulsify;
Step 4: cooling: the emulsifying base after emulsification is transported to continuous coo1ing to 25 DEG C on cooler;
Step 5: sensitization: the process of dynamite substrate of cooling is transported in sensitizing machine, and add sensitizing agent Sodium Nitrite and auxiliary sensitizing agent glass microsphere starts sensitization, sensitizing temperature is 40 DEG C, limit sensitization limit discharging, then filters through the strainer of 60 mesh filter screens;
Step 6: powder charge and packaging: the emulsion explosive prepared is loaded powder stick, it is for subsequent use that wax sealing is stained with at powder stick two, obtains the gluey emulsion explosive finished product of low temperature resistant water resisting property.
embodiment 2
The present embodiment provides a kind of low temperature resistant water resisting property gluey emulsion explosive, and emulsion explosive each components in mass portion meter comprises following component:
Ammonium nitrate: 80 parts, SODIUMNITRATE: 10 parts, sodium perchlorate: 5 parts, nitrocalcite: 10 parts, urea: 1 part, oil phase: 15 parts, water: 35 parts, emulsifying agent polyisobutene diacid hydramine: 2 parts, sensitizing agent bicarbonate of ammonia: 5 parts, auxiliary sensitizing agent resin microsphere: 1.5 parts, crystal modification agent Sodium dodecylbenzene sulfonate: 0.5 part, polyvinyl alcohol: 0.8 part;
Described oil phase comprises by mass parts: paraffin: 5 parts, heavy oil: 2 parts, Microcrystalline Wax: 3 parts, lubricating oil: 5 parts; The molecular weight of described polyvinyl alcohol is 30000;
The concrete preparation method of emulsifying agent is as follows:
(1) in the there-necked flask that nitrogen ingress pipe and reflux condensate device be housed, highly active polyisobutene is added, be heated to 95 DEG C, in polyisobutene, slowly add solid maleic anhydride simultaneously, control stirring velocity is 400r/min, maleic anhydride is made all to melt and mix with polyisobutene, under nitrogen protection atmosphere, raised temperature to 150 DEG C gradually, after temperature-stable, di-t-butyl peroxide is dissolved in dimethylbenzene, then be added drop-wise in reactor, last isothermal reaction 8h, finally mixing solutions vacuum rotary steam is removed unnecessary maleic anhydride and solvent, both polyisobutylene butanedioic anhydride intermediate had been obtained,
The mol ratio of wherein said maleic anhydride and highly active polyisobutene is 1-1.5:1, and described di-t-butyl peroxide and the mass ratio of high-activity polyisobutene are 1:20-25;
(2) the polyisobutylene butanedioic anhydride intermediate obtained in above-mentioned steps (1) is added be equipped with in the there-necked flask of nitrogen conduit, and add solvent xylene, heat to 60 DEG C, open magnetic agitation, after polyisobutylene butanedioic anhydride dissolves completely, in flask, drip trolamine by constant pressure funnel, raw material is mixed, under nitrogen protection atmosphere, be warming up to 130 DEG C gradually, isothermal reaction 4h, namely obtain emulsifying agent polyisobutene diacid hydramine;
Wherein, described polyisobutylene butanedioic anhydride and the mol ratio 1:2-2.5 of trolamine.
Preparation method's concrete steps of the gluey emulsion explosive of above-mentioned low temperature resistant water resisting property are as follows:
Step one: prepared by aqueous phase: join in dissolving vessel by the water in above-mentioned formula, habit modifier Sodium dodecylbenzene sulfonate, polyvinyl alcohol, ammonium nitrate, SODIUMNITRATE, sodium perchlorate, nitrocalcite, urea, heating in water bath also makes it dissolve with whipping appts, obtain clear transparent solutions, keep 65 DEG C of constant temperature; Insulation 30min;
Step 2: prepared by oil phase: join in another dissolving vessel by the paraffin in above-mentioned formula, heavy oil, Microcrystalline Wax, lubricating oil, heated and stirred to melting, then adds emulsifying agent polyisobutene diacid hydramine and polyvinyl alcohol stirs, and keeps 92 DEG C of constant temperature, keep 20min, wherein:
Step 3: emulsification: oil phase stirring velocity is set as 500r/min, then be transported in 30s in oil phase by aqueous phase solution, course of conveying requires first slow rear fast, continues to keep 850r/min after two-phase mixes completely, stir 5min, to ensure two-phase uniformly emulsify;
Step 4: cooling: the emulsifying base after emulsification is transported to continuous coo1ing to 30 DEG C on cooler;
Step 5: sensitization: the process of dynamite substrate of cooling is transported in sensitizing machine, and add sensitizing agent bicarbonate of ammonia and auxiliary sensitizing agent resin microsphere starts sensitization, sensitizing temperature is 45 DEG C, limit sensitization limit discharging, then filters through the strainer of 60 mesh filter screens;
Step 6: powder charge and packaging: the emulsion explosive prepared is loaded powder stick, it is for subsequent use that wax sealing is stained with at powder stick two, obtains the gluey emulsion explosive finished product of low temperature resistant water resisting property.
embodiment 3
The present embodiment provides a kind of low temperature resistant water resisting property gluey emulsion explosive, and emulsion explosive each components in mass portion meter comprises following component:
Ammonium nitrate: 70 parts, SODIUMNITRATE: 10 parts, sodium perchlorate: 8 parts, nitrocalcite: 8 parts, urea: 3 parts, oil phase: 30 parts, water: 45 parts, emulsifying agent polyisobutene diacid hydramine: 4 parts, sensitizing agent bicarbonate of ammonia: 6 parts, auxiliary sensitizing agent fine perlite: 0.9 part, crystal modification agent Sodium dodecylbenzene sulfonate: 0.9 part, polyvinyl alcohol: 1.0 parts.
Oil phase comprises by mass parts: paraffin: 10 parts, heavy oil: 5 parts, Microcrystalline Wax: 5 parts, lubricating oil: 10 parts; The molecular weight of described polyvinyl alcohol is 28000;
The concrete preparation method of emulsifying agent is as follows:
(1) in the there-necked flask that nitrogen ingress pipe and reflux condensate device be housed, highly active polyisobutene is added, be heated to 92 DEG C, in polyisobutene, slowly add solid maleic anhydride simultaneously, control stirring velocity is 4200r/min, maleic anhydride is made all to melt and mix with polyisobutene, under nitrogen protection atmosphere, raised temperature to 150 DEG C gradually, after temperature-stable, di-t-butyl peroxide is dissolved in dimethylbenzene, then be added drop-wise in reactor, last isothermal reaction 8h, finally mixing solutions vacuum rotary steam is removed unnecessary maleic anhydride and solvent, both polyisobutylene butanedioic anhydride intermediate had been obtained,
The mol ratio of wherein said maleic anhydride and highly active polyisobutene is 1-1.5:1, and described di-t-butyl peroxide and the mass ratio of high-activity polyisobutene are 1:20-25;
(2) the polyisobutylene butanedioic anhydride intermediate obtained in above-mentioned steps (1) is added be equipped with in the there-necked flask of nitrogen conduit, and add solvent xylene, heat to 60 DEG C, open magnetic agitation, after polyisobutylene butanedioic anhydride dissolves completely, in flask, drip trolamine by constant pressure funnel, raw material is mixed, under nitrogen protection atmosphere, be warming up to 130 DEG C gradually, isothermal reaction 4h, namely obtain emulsifying agent polyisobutene diacid hydramine;
Wherein, described polyisobutylene butanedioic anhydride and the mol ratio 1:2-2.5 of trolamine.
Preparation method's concrete steps of the gluey emulsion explosive of above-mentioned low temperature resistant water resisting property are as follows:
Step one: prepared by aqueous phase: join in dissolving vessel by the water in above-mentioned formula, habit modifier Sodium dodecylbenzene sulfonate, polyvinyl alcohol, ammonium nitrate, SODIUMNITRATE, sodium perchlorate, nitrocalcite, urea, heating in water bath also makes it dissolve with whipping appts, obtain clear transparent solutions, keep 62 DEG C of constant temperature; Insulation 40min;
Step 2: prepared by oil phase: join in another dissolving vessel by the paraffin in above-mentioned formula, heavy oil, Microcrystalline Wax, lubricating oil, heated and stirred to melting, then adds emulsifying agent polyisobutene diacid hydramine and polyvinyl alcohol stirs, and keeps 95 DEG C of constant temperature, keep 25min, wherein:
Step 3: emulsification: oil phase stirring velocity is set as 600r/min, then be transported in 30s in oil phase by aqueous phase solution, course of conveying requires first slow rear fast, continues to keep 820r/min after two-phase mixes completely, stir 6min, to ensure two-phase uniformly emulsify;
Step 4: cooling: the emulsifying base after emulsification is transported to continuous coo1ing to 28 DEG C on cooler;
Step 5: sensitization: the process of dynamite substrate of cooling is transported in sensitizing machine, and add sensitizing agent bicarbonate of ammonia and auxiliary sensitizing agent fine perlite starts sensitization, sensitizing temperature is 42 DEG C, limit sensitization limit discharging, then filters through the strainer of 60 mesh filter screens;
Step 6: powder charge and packaging: the emulsion explosive prepared is loaded powder stick, it is for subsequent use that wax sealing is stained with at powder stick two, obtains the gluey emulsion explosive finished product of low temperature resistant water resisting property.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (6)
1. the gluey emulsion explosive of low temperature resistant water resisting property, it is characterized in that, described emulsion explosive each components in mass portion meter comprises following component:
Ammonium nitrate: 60-80 part, SODIUMNITRATE: 10-15 part, sodium perchlorate: 5-10 part, nitrocalcite: 5-10 part, urea: 1-3 part, oil phase: 15-30 part, water: 35-45 part, emulsifying agent: 2-4 part, sensitizing agent: 4-6 part, auxiliary sensitizing agent: 0.5-1.5 part, crystal modification agent: 0.5-1.5 part, polyvinyl alcohol: 0.8-1.2 part;
Wherein, described emulsifying agent is polyisobutene diacid hydramine; Described sensitizing agent is Sodium Nitrite or bicarbonate of ammonia; Described crystal modification agent is Sodium dodecylbenzene sulfonate; Described auxiliary sensitizing agent is one or more mixtures in glass microsphere, resin microsphere, perlite, fine perlite; Described oil phase comprises by mass parts: paraffin: 5-10 part, heavy oil: 2-5 part, Microcrystalline Wax: 3-5 part, lubricating oil: 5-10 part; The molecular weight of described polyvinyl alcohol is 25000-30000.
2. the gluey emulsion explosive of low temperature resistant water resisting property according to claim 1, it is characterized in that, the concrete preparation method of described emulsifying agent is as follows:
(1) in the there-necked flask that nitrogen ingress pipe and reflux condensate device be housed, highly active polyisobutene is added, be heated to 90-95 DEG C, in polyisobutene, slowly add solid maleic anhydride simultaneously, control stirring velocity is 400-450r/min, maleic anhydride is made all to melt and mix with polyisobutene, under nitrogen protection atmosphere, raised temperature to 150 DEG C gradually, after temperature-stable, di-t-butyl peroxide is dissolved in dimethylbenzene, then be added drop-wise in reactor, last isothermal reaction 7-8h, finally mixing solutions vacuum rotary steam is removed unnecessary maleic anhydride and solvent, both polyisobutylene butanedioic anhydride intermediate had been obtained,
The mol ratio of wherein said maleic anhydride and highly active polyisobutene is 1-1.5:1, and described di-t-butyl peroxide and the mass ratio of high-activity polyisobutene are 1:20-25;
(2) the polyisobutylene butanedioic anhydride intermediate obtained in above-mentioned steps (1) is added be equipped with in the there-necked flask of nitrogen conduit, and add solvent xylene, heat to 60 DEG C, open magnetic agitation, after polyisobutylene butanedioic anhydride dissolves completely, in flask, drip trolamine by constant pressure funnel, raw material is mixed, under nitrogen protection atmosphere, be warming up to 130 DEG C gradually, isothermal reaction 3-4h, namely obtain emulsifying agent polyisobutene diacid hydramine;
Wherein, described polyisobutylene butanedioic anhydride and the mol ratio 1:2-2.5 of trolamine.
3. the gluey emulsion explosive of low temperature resistant water resisting property according to claim 1, is characterized in that: described emulsion explosive each components in mass portion meter comprises following component:
Ammonium nitrate: 60 parts, SODIUMNITRATE: 12 parts, sodium perchlorate: 10 parts, nitrocalcite: 5 parts, urea: 2 parts, oil phase: 24 parts, water: 40 parts, emulsifying agent: 3 parts, sensitizing agent: 4 parts, auxiliary sensitizing agent: 0.5 part, crystal modification agent: 1.5 parts, polyvinyl alcohol: 1.2 parts.
4. the gluey emulsion explosive of low temperature resistant water resisting property according to claim 1, is characterized in that: described emulsion explosive each components in mass portion meter comprises following component:
Ammonium nitrate: 80 parts, SODIUMNITRATE: 10 parts, sodium perchlorate: 5 parts, nitrocalcite: 10 parts, urea: 1 part, oil phase: 15 parts, water: 35 parts, emulsifying agent: 2 parts, sensitizing agent: 5 parts, auxiliary sensitizing agent: 1.5 parts, crystal modification agent: 0.5 part, polyvinyl alcohol: 0.8 part.
5. the gluey emulsion explosive of low temperature resistant water resisting property according to claim 1, is characterized in that: described emulsion explosive each components in mass portion meter comprises following component:
Ammonium nitrate: 70 parts, SODIUMNITRATE: 10 parts, sodium perchlorate: 8 parts, nitrocalcite: 8 parts, urea: 3 parts, oil phase: 30 parts, water: 45 parts, emulsifying agent: 4 parts, sensitizing agent: 6 parts, auxiliary sensitizing agent: 0.9 part, crystal modification agent: 0.9 part, polyvinyl alcohol: 1.0 parts.
6. the preparation method of the gluey emulsion explosive of low temperature resistant water resisting property as claimed in claim 1, is characterized in that: the preparation method of this emulsion explosive specifically comprises the following steps:
Step one: prepared by aqueous phase: join in dissolving vessel by the water in above-mentioned formula, habit modifier, polyvinyl alcohol, ammonium nitrate, SODIUMNITRATE, sodium perchlorate, nitrocalcite, urea, heating in water bath also makes it dissolve with whipping appts, obtain clear transparent solutions, keep 60-65 DEG C of constant temperature; Insulation 30-40min;
Step 2: prepared by oil phase: join in another dissolving vessel by the paraffin in above-mentioned formula, heavy oil, Microcrystalline Wax, lubricating oil, heated and stirred to melting, then adds emulsifying agent and polyvinyl alcohol stirs, and keeps 90-95 DEG C constant temperature, keep 20-30min, wherein:
Step 3: emulsification: oil phase stirring velocity is set as 500-600r/min, then be transported in 30s in oil phase by aqueous phase solution, course of conveying requires first slow rear fast, continues to keep 800-850r/min after two-phase mixes completely, stir 5-8min, to ensure two-phase uniformly emulsify;
Step 4: cooling: the emulsifying base after emulsification to be transported on cooler continuous coo1ing to 25-30 DEG C;
Step 5: sensitization: the process of dynamite substrate of cooling is transported in sensitizing machine, and add sensitizing agent and auxiliary sensitizing agent starts sensitization, sensitizing temperature is 40-45 DEG C, limit sensitization limit discharging, then filters through the strainer of 60 mesh filter screens;
Step 6: powder charge and packaging: the emulsion explosive prepared is loaded powder stick, it is for subsequent use that wax sealing is stained with at powder stick two, can obtain the gluey emulsion explosive finished product of low temperature resistant water resisting property.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105949013A (en) * | 2016-05-03 | 2016-09-21 | 中国港湾工程有限责任公司 | Preparation method of mixed emulsion explosive |
| CN106478324A (en) * | 2016-09-30 | 2017-03-08 | 唐山师范学院 | Carbon dioxide blaster exothermic mixture |
| CN107400034A (en) * | 2016-05-20 | 2017-11-28 | 宜兴市阳生化工有限公司 | A kind of extremely-low density glue emulsion and preparation method thereof |
| CN107673943A (en) * | 2017-10-25 | 2018-02-09 | 佛山杰致信息科技有限公司 | A kind of photoface exploision emulsion and preparation method thereof |
| CN110256180A (en) * | 2019-07-19 | 2019-09-20 | 南京工程学院 | A kind of emulsifier for emulsion explosive and preparation method thereof |
| CN112028721A (en) * | 2020-07-22 | 2020-12-04 | 河南华通化工有限公司 | Emulsion explosive based on high-molecular emulsifier and preparation method thereof |
| CN112142542A (en) * | 2020-09-22 | 2020-12-29 | 山东圣世达化工有限责任公司 | Low-temperature-resistant emulsion explosive and preparation method thereof |
| CN114988971A (en) * | 2022-07-14 | 2022-09-02 | 河南华通化工有限公司 | Low-temperature-resistant colloidal emulsion explosive and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105949013A (en) * | 2016-05-03 | 2016-09-21 | 中国港湾工程有限责任公司 | Preparation method of mixed emulsion explosive |
| CN107400034A (en) * | 2016-05-20 | 2017-11-28 | 宜兴市阳生化工有限公司 | A kind of extremely-low density glue emulsion and preparation method thereof |
| CN106478324A (en) * | 2016-09-30 | 2017-03-08 | 唐山师范学院 | Carbon dioxide blaster exothermic mixture |
| CN107673943A (en) * | 2017-10-25 | 2018-02-09 | 佛山杰致信息科技有限公司 | A kind of photoface exploision emulsion and preparation method thereof |
| CN110256180A (en) * | 2019-07-19 | 2019-09-20 | 南京工程学院 | A kind of emulsifier for emulsion explosive and preparation method thereof |
| CN110256180B (en) * | 2019-07-19 | 2021-10-15 | 南京工程学院 | Emulsifier for emulsion explosive and preparation method thereof |
| CN112028721A (en) * | 2020-07-22 | 2020-12-04 | 河南华通化工有限公司 | Emulsion explosive based on high-molecular emulsifier and preparation method thereof |
| CN112142542A (en) * | 2020-09-22 | 2020-12-29 | 山东圣世达化工有限责任公司 | Low-temperature-resistant emulsion explosive and preparation method thereof |
| CN114988971A (en) * | 2022-07-14 | 2022-09-02 | 河南华通化工有限公司 | Low-temperature-resistant colloidal emulsion explosive and preparation method thereof |
| CN114988971B (en) * | 2022-07-14 | 2024-04-30 | 河南华通化工有限公司 | Low-temperature-resistant colloidal emulsion explosive and preparation method thereof |
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