CN111925260A - High-viscosity colloidal explosive - Google Patents
High-viscosity colloidal explosive Download PDFInfo
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- CN111925260A CN111925260A CN202010757814.5A CN202010757814A CN111925260A CN 111925260 A CN111925260 A CN 111925260A CN 202010757814 A CN202010757814 A CN 202010757814A CN 111925260 A CN111925260 A CN 111925260A
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B31/00—Compositions containing an inorganic nitrogen-oxygen salt
- C06B31/28—Compositions containing an inorganic nitrogen-oxygen salt the salt being ammonium nitrate
- C06B31/30—Compositions containing an inorganic nitrogen-oxygen salt the salt being ammonium nitrate with vegetable matter; with resin; with rubber
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B23/00—Compositions characterised by non-explosive or non-thermic constituents
- C06B23/002—Sensitisers or density reducing agents, foam stabilisers, crystal habit modifiers
- C06B23/004—Chemical sensitisers
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B23/00—Compositions characterised by non-explosive or non-thermic constituents
- C06B23/009—Wetting agents, hydrophobing agents, dehydrating agents, antistatic additives, viscosity improvers, antiagglomerating agents, grinding agents and other additives for working up
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Abstract
The invention discloses a high-viscosity colloidal explosive which comprises the following components in parts by mass: b =3:1, wherein: the component A comprises the following components in parts by weight: ammonium nitrate: 50-60 parts of sodium nitrate: 20-30 parts of potassium nitrate: 1-3 parts of ammonium perchlorate: 0.8-1 part, water: 15-20 parts of a composite oil phase: 10-15 parts of an emulsifier: 3-5 parts of a thickening agent: 0.2-0.5 parts of density regulator: 0.2-0.4 part, sensitizer: 4-6 parts of a dispersant: 1-2 parts of foaming agent: 0.4-0.6 part of catalyst: 0.4-0.5 part; the component B comprises the following components in parts by mass: scrapping the colloidal emulsion explosive: 50-60 parts of surfactant: 2-5 parts of an oil phase: 20-35 parts of the explosive has the characteristics of high viscosity, good stability and long storage period.
Description
Technical Field
The invention relates to an explosive, in particular to a high-viscosity colloidal explosive.
Background
An Explosive (Explosive material) is a substance which can be violently burned (i.e., exploded) in a very short time, and is exploded by its own energy under the action of certain external energy. Generally, the chemical and physical properties of the explosive are stable, but no matter whether the environment is sealed or not, the amount of the explosive is large, even under the condition of zero oxygen supply outside, the explosive can do stable detonation work to the outside as long as strong energy (provided by the initiating explosive) is used for excitation. When explosive explodes, a large amount of heat energy can be released, high-temperature and high-pressure gas is generated, and the effects of damaging, throwing, compressing and the like on surrounding substances are achieved.
In the civil explosive industry, the output is gradually increased year by year, the variety is more and more, the product quality is gradually improved, but in order to ensure the use safety, the components of the explosive are relatively stable, but just because the explosive is more and more widely used, the explosive is required to have various different characteristics in certain specific processes or use, for example, some explosives require certain water resistance, and for example, some explosives require higher viscosity, so that the specific processing is facilitated, the stability of the explosive is improved by colleagues, the storage period of the explosive is prolonged, and research and development improvement are required according to different performance requirements of the explosive.
Disclosure of Invention
The invention aims to solve the technical problem that aiming at the defects in the prior art, the invention provides the high-viscosity colloidal explosive which has the characteristics of high viscosity, good stability and long storage period.
The technical scheme for solving the technical problems is as follows:
a high-viscosity colloidal explosive comprises the following components in parts by mass: b =3:1, wherein:
the component A comprises the following components in parts by weight:
ammonium nitrate: 50-60 parts of sodium nitrate: 20-30 parts of potassium nitrate: 1-3 parts of ammonium perchlorate: 0.8-1 part, water: 15-20 parts of a composite oil phase: 10-15 parts of an emulsifier: 3-5 parts of a thickening agent: 0.2-0.5 parts of density regulator: 0.2-0.4 part, sensitizer: 4-6 parts of a dispersant: 1-2 parts of foaming agent: 0.4-0.6 part of catalyst: 0.4-0.5 part;
the component B comprises the following components in parts by mass:
scrapping the colloidal emulsion explosive: 50-60 parts of surfactant: 2-5 parts of an oil phase: 20-35 parts.
The invention further defines the technical scheme as follows:
in the high-viscosity colloidal explosive, the explosive comprises the following components in parts by mass: b =3:1, wherein:
the component A comprises the following components in parts by weight:
ammonium nitrate: 50 parts, sodium nitrate: 20 parts of potassium nitrate: 1 part, ammonium perchlorate: 0.8 part, water: 15 parts of composite oil phase: 10 parts of an emulsifier: 3 parts of a thickening agent: 0.2 part, density regulator: 0.2 part, sensitizer: 4 parts, dispersant: 1 part, foaming agent: 0.4 part, catalyst: 0.4 part;
the component B comprises the following components in parts by mass:
scrapping the colloidal emulsion explosive: 50 parts, surfactant: 2 parts, oil phase: and 20 parts.
In the high-viscosity colloidal explosive, the explosive comprises the following components in parts by mass: b =3:1, wherein:
the component A comprises the following components in parts by weight:
ammonium nitrate: 60 parts, sodium nitrate: 30 parts, potassium nitrate: 3 parts of ammonium perchlorate: 1 part, water: 20 parts of composite oil phase: 15 parts, emulsifier: 5 parts of a thickening agent: 0.5 part, density regulator: 0.4 part, sensitizer: 6 parts, dispersant: 2 parts of foaming agent: 0.6 part, catalyst: 0.5 part;
the component B comprises the following components in parts by mass:
scrapping the colloidal emulsion explosive: 60 parts, surfactant: 5 parts, oil phase: 35 parts of (A).
In the high-viscosity colloidal explosive, the explosive comprises the following components in parts by mass: b =3:1, wherein:
the component A comprises the following components in parts by weight:
ammonium nitrate: 55 parts, sodium nitrate: 25 parts of potassium nitrate: 2 parts, ammonium perchlorate: 0.9 part, water: 18 parts of composite oil phase: 12 parts, emulsifier: 4 parts, thickening agent: 0.3 part, sealing regulator: 0.3 part, sensitizer: 5 parts, dispersant: 1 part, foaming agent: 0.5 part, catalyst: 0.4 part;
the component B comprises the following components in parts by mass:
scrapping the colloidal emulsion explosive: 55 parts, surfactant: 3 parts, oil phase: 28 parts.
In the high-viscosity colloidal explosive, the emulsifier is a triazine ring-containing nonionic surfactant; the thickening agent is polyacrylamide; the sensitizing agent is sodium nitrite; the density regulator is expanded perlite; the dispersant is one or more of phenolic resin hollow microspheres, wood powder or coarse bran; the foaming agent is sodium nitrite; the catalyst is phosphoric acid aqueous solution.
In the high-viscosity colloidal explosive, the composite oil phase is a mixture of paraffin, a refinery byproduct, engine oil, vaseline, polystyrene and polypropylene, wherein the mass parts of the components are as follows: paraffin wax: 20-23 parts of an oil refining by-product: 35-39 parts of engine oil: 10-15 parts of vaseline: 5-10 parts of polystyrene: 2-4 parts of polypropylene: 1-3 parts.
In the high-viscosity colloidal explosive, the surfactant is polyisobutylene or a derivative high-molecular surfactant or a middle-low molecular nonionic surfactant.
In the high-viscosity colloidal explosive, the oil phase is a mixture of paraffin, vaseline, animal oil and vegetable oil, and the weight ratio of the paraffin to the vegetable oil is as follows: vaseline: animal oil: vegetable oil =2:2:1: 1.
In the high-viscosity colloidal explosive, the preparation process of the colloidal explosive comprises the following steps:
(1) mixing and heating the composite oil phase and the emulsifier to 100-105 ℃, and uniformly stirring and mixing to obtain an oil phase solution;
(2) crushing ammonium nitrate, heating water at 80-90 deg.c, adding sodium nitrate, potassium nitrate, ammonium perchlorate and crushed ammonium nitrate while stirring to dissolve to obtain water phase solution with pH value of 4.3-4.5;
(3) adding the water phase solution and the oil phase solution into an emulsifier to obtain an emulsion matrix, wherein the temperature of the emulsion matrix is 70-75 ℃;
(4) cooling the emulsified substrate to 60 ℃, then adding a sensitizer into a sensitizing machine for sensitization, wherein the sensitization temperature is 70-75 ℃, finally adding a foaming agent, a catalyst, a density regulator, a thickening agent and a dispersing agent, stirring and mixing uniformly, and discharging;
(5) putting the oil phase and the surfactant in the component B into a melting tank, heating, stirring and heating to 110 ℃;
(6) adding the scrapped colloidal emulsion explosive into the melting tank in the step (5) in small blocks;
(7) controlling the temperature of the melting tank in the step (6) at 110-120 ℃, stirring for 10-15min, and uniformly mixing for later use;
(8) and (4) uniformly mixing the material prepared in the step (4) and the material prepared in the step (7) to prepare the high-viscosity colloidal explosive.
The invention has the beneficial effects that:
the waste colloidal emulsion explosive is added into the component B, so that the waste colloidal emulsion explosive is recycled, resources are saved, the environment is improved, the high-viscosity colloidal explosive is prepared, and obvious economic and social benefits are obtained.
The invention adopts wood flour, which has larger specific surface area and total surface area, has sensitization and loosening effects, can improve the storage life of an explosion system when being added into the emulsion explosive, and simultaneously contains macromolecular organic compounds, thereby having the function of a combustible agent in an explosion reaction and promoting the stable explosion propagation of the explosion system.
The invention has low water content, no moisture absorption and good free-running property due to the addition of the coarse bran, thereby enhancing the stability of the explosive components, ensuring the storage period of the emulsion explosive, leading the storage period of the explosive to reach more than 180 days, being mixed by manufacturers without mixing on site and reducing the labor intensity of the gun workers.
The composite oil phase used in the explosive production comprises a mixture of paraffin, oil refining byproducts, engine oil, vaseline, polystyrene and polypropylene, the price of the raw materials continuously rises with the increasing shortage of petroleum resources, so that the production cost of the emulsion explosive continuously rises, the invention adopts the oil refining byproducts with low price, reduces the production cost, improves the resource utilization rate, but the viscosity of the oil refining byproducts is too high, dispersed phases are difficult to enter the oil phase during emulsification, so that the emulsification effect is reduced, an emulsion matrix is difficult to form, because the viscosity of the paraffin is smaller by adopting the composite oil phase, the viscosity is obviously reduced after compounding, the emulsification condition is improved, but the paraffin is added too much, the emulsion matrix is dry and hard, has no elasticity, is easy to form powder, and has certain influence on the charging and storage of the emulsion explosive, therefore, the invention strictly controls the proportion of the composite oil phases, the composite oil phase adopted by the invention has a good effect in the explosive, the emulsification effect of the emulsification matrix formed by the composite oil phase is good, and compared with the formula of the oil phase material used in the prior art, the emulsification matrix formed by the composite oil phase has good stability, and the low dissolution loss and the high stability are reflected even at a low rotating speed.
The method can ensure that the sodium nitrite is fully utilized by reducing the actual adding amount of the catalyst, avoids great loss in the sensitization and conveying processes, and cannot cause any influence on the final density.
The pH value of the invention is controlled to be 4.3-4.5, the pH value cannot be too low, otherwise, the storage period of the explosive can be shortened, and when other production conditions are the same, the invention improves a certain sensitization temperature, which is beneficial to improving the elasticity and the fluidity of oil phase materials.
The chemical foaming agent, the sensitizer and other adding processes added in the invention have the advantages of uniform solution addition and good dispersion effect, and are beneficial to improving the explosion performance and the storage performance of the sensitized colloidal emulsion explosive.
By improving the explosive production process and perfecting the formula, the invention has the characteristics of strong applicability, less pollution, low cost, high viscosity, excellent safety performance, stronger strength, higher detonation capability and stable detonation capability compared with the traditional explosive.
The ammonium perchlorate is added in the invention, and can increase the explosion heat, the explosion temperature and the explosion speed of the explosive and reduce the explosion capacity of the explosive, so that the explosion parameters of the prepared explosive reach good values, and the explosion performance of the explosive is improved.
The invention is double-combination mixing, can develop the advantages and avoid the disadvantages, and the prepared emulsion explosive has good stability and low cost.
Detailed Description
Example 1
The embodiment provides a high-viscosity colloidal explosive which comprises the following components in parts by mass: b =3:1, wherein:
the component A comprises the following components in parts by weight:
ammonium nitrate: 50 parts, sodium nitrate: 20 parts of potassium nitrate: 1 part, ammonium perchlorate: 0.8 part, water: 15 parts of composite oil phase: 10 parts of an emulsifier: 3 parts of a thickening agent: 0.2 part, density regulator: 0.2 part, sensitizer: 4 parts, dispersant: 1 part, foaming agent: 0.4 part, catalyst: 0.4 part;
the component B comprises the following components in parts by mass:
scrapping the colloidal emulsion explosive: 50 parts, surfactant: 2 parts, oil phase: and 20 parts.
In the present embodiment, the emulsifier is a triazine ring-containing nonionic surfactant; the thickening agent is polyacrylamide; the sensitizing agent is sodium nitrite; the density regulator is expanded perlite; the dispersing agent is a mixture of phenolic resin hollow microspheres and wood powder; the foaming agent is sodium nitrite; the catalyst is phosphoric acid aqueous solution.
In this embodiment, the composite oil phase is a mixture of paraffin, oil refining by-products, engine oil, vaseline, polystyrene, and polypropylene, wherein the weight parts are as follows: paraffin wax: 20 parts of an oil refining by-product: 35 parts, engine oil: 10 parts of vaseline: 5 parts, polystyrene: 2 parts, polypropylene: 1 part.
In this embodiment, the surfactant is polyisobutylene surfactant.
In this example, the oil phase is a mixture of paraffin, vaseline, animal oil and vegetable oil, in the weight ratio paraffin: vaseline: animal oil: vegetable oil =2:2:1: 1.
The preparation process of the colloidal explosive comprises the following steps:
(1) mixing and heating the composite oil phase and the emulsifier to 100 ℃, and stirring and mixing uniformly to obtain an oil phase solution;
(2) crushing ammonium nitrate, heating water at 80 ℃, continuously adding sodium nitrate, potassium nitrate, ammonium perchlorate and crushed ammonium nitrate, uniformly stirring and dissolving to obtain an aqueous phase solution, and controlling the pH value of the aqueous phase solution to be 4.3;
(3) adding the water phase solution and the oil phase solution into an emulsifier to obtain an emulsion matrix, wherein the temperature of the emulsion matrix is 70 ℃;
(4) cooling the emulsified substrate to 60 ℃, then adding a sensitizer into a sensitizing machine for sensitization, wherein the sensitization temperature is 70 ℃, finally adding a foaming agent, a catalyst, a density regulator, a thickening agent and a dispersing agent, stirring, mixing uniformly and discharging;
(5) putting the oil phase and the surfactant in the component B into a melting tank, heating, stirring and heating to 100 ℃;
(6) adding the scrapped colloidal emulsion explosive into the melting tank in the step (5) in small blocks;
(7) controlling the temperature of the melting tank in the step (6) at 110 ℃, stirring for 10min, and uniformly mixing for later use; the prepared scrapped colloidal emulsion explosive mixed solution is required to be clear and transparent and has good fluidity; the sample is placed in a beaker for heat preservation and static observation, the phenomena of layering and crystallization do not exist for 24 hours, and the sample is repeatedly cooled; the phenomena of layering, crystallization and the like are still avoided after heating and stirring;
(8) and (4) uniformly mixing the material prepared in the step (4) and the material prepared in the step (7) to prepare the high-viscosity colloidal explosive.
Example 2
The embodiment provides a high-viscosity colloidal explosive which comprises the following components in parts by mass: b =3:1, wherein:
the component A comprises the following components in parts by weight:
ammonium nitrate: 60 parts, sodium nitrate: 30 parts, potassium nitrate: 3 parts of ammonium perchlorate: 1 part, water: 20 parts of composite oil phase: 15 parts, emulsifier: 5 parts of a thickening agent: 0.5 part, density regulator: 0.4 part, sensitizer: 6 parts, dispersant: 2 parts of foaming agent: 0.6 part, catalyst: 0.5 part;
the component B comprises the following components in parts by mass:
scrapping the colloidal emulsion explosive: 60 parts, surfactant: 5 parts, oil phase: 35 parts of (A).
In the present embodiment, the emulsifier is a triazine ring-containing nonionic surfactant; the thickening agent is polyacrylamide; the sensitizing agent is sodium nitrite; the density regulator is expanded perlite; the dispersant is coarse bran; the foaming agent is sodium nitrite; the catalyst is phosphoric acid aqueous solution.
In this embodiment, the composite oil phase is a mixture of paraffin, oil refining by-products, engine oil, vaseline, polystyrene, and polypropylene, wherein the weight parts are as follows: paraffin wax: 23 parts, by-product of oil refining: 39 parts, engine oil: 15 parts of vaseline: 10 parts, polystyrene: 4 parts, polypropylene: and 3 parts.
In this embodiment, the surfactant is a medium-low molecular nonionic surfactant.
In this example, the oil phase is a mixture of paraffin, vaseline, animal oil and vegetable oil, in the weight ratio paraffin: vaseline: animal oil: vegetable oil =2:2:1: 1.
The preparation process of the colloidal explosive comprises the following steps:
(1) mixing and heating the composite oil phase and the emulsifier to 105 ℃, and uniformly stirring and mixing to obtain an oil phase solution;
(2) crushing ammonium nitrate, heating water at 90 ℃, continuously adding sodium nitrate, potassium nitrate, ammonium perchlorate and crushed ammonium nitrate, uniformly stirring and dissolving to obtain an aqueous phase solution, and controlling the pH value of the aqueous phase solution to be 4.5;
(3) adding the water phase solution and the oil phase solution into an emulsifier to obtain an emulsion matrix, wherein the temperature of the emulsion matrix is 75 ℃;
(4) cooling the emulsified substrate to 60 ℃, then adding a sensitizer into a sensitizing machine for sensitization, wherein the sensitization temperature is 70-75 ℃, finally adding a foaming agent, a catalyst, a density regulator, a thickening agent and a dispersing agent, stirring and mixing uniformly, and discharging;
(5) putting the oil phase and the surfactant in the component B into a melting tank, heating, stirring and heating to 110 ℃;
(6) adding the scrapped colloidal emulsion explosive into the melting tank in the step (5) in small blocks;
(7) controlling the temperature of the melting tank in the step (6) at 120 ℃, stirring for 15min, and uniformly mixing for later use; the prepared scrapped colloidal emulsion explosive mixed solution is required to be clear and transparent and has good fluidity; the sample is placed in a beaker for heat preservation and static observation, the phenomena of layering and crystallization do not exist for 24 hours, and the sample is repeatedly cooled; the phenomena of layering, crystallization and the like are still avoided after heating and stirring;
(8) and (4) uniformly mixing the material prepared in the step (4) and the material prepared in the step (7) to prepare the high-viscosity colloidal explosive.
Example 3
The embodiment provides a high-viscosity colloidal explosive which comprises the following components in parts by mass: b =3:1, wherein:
the component A comprises the following components in parts by weight:
ammonium nitrate: 55 parts, sodium nitrate: 25 parts of potassium nitrate: 2 parts, ammonium perchlorate: 0.9 part, water: 18 parts of composite oil phase: 12 parts, emulsifier: 4 parts, thickening agent: 0.3 part, sealing regulator: 0.3 part, sensitizer: 5 parts, dispersant: 1 part, foaming agent: 0.5 part, catalyst: 0.4 part;
the component B comprises the following components in parts by mass:
scrapping the colloidal emulsion explosive: 55 parts, surfactant: 3 parts, oil phase: 28 parts.
In the present embodiment, the emulsifier is a triazine ring-containing nonionic surfactant; the thickening agent is polyacrylamide; the sensitizing agent is sodium nitrite; the density regulator is expanded perlite; the dispersant is wood powder and coarse bran; the foaming agent is sodium nitrite; the catalyst is phosphoric acid aqueous solution.
In this embodiment, the composite oil phase is a mixture of paraffin, oil refining by-products, engine oil, vaseline, polystyrene, and polypropylene, wherein the weight parts are as follows: paraffin wax: 22 parts of a refinery byproduct: 37 parts, engine oil: 13 parts, vaseline: 8 parts, polystyrene: 3 parts, polypropylene: and 2 parts.
In this embodiment, the surfactant is polyisobutylene surfactant or a medium or low molecular weight nonionic surfactant.
In this example, the oil phase is a mixture of paraffin, vaseline, animal oil and vegetable oil, in the weight ratio paraffin: vaseline: animal oil: vegetable oil =2:2:1: 1.
The preparation process of the colloidal explosive comprises the following steps:
(1) mixing and heating the composite oil phase and the emulsifier to 102 ℃, and uniformly stirring and mixing to obtain an oil phase solution;
(2) crushing ammonium nitrate, heating water at 85 ℃, continuously adding sodium nitrate, potassium nitrate, ammonium perchlorate and crushed ammonium nitrate, uniformly stirring and dissolving to obtain an aqueous phase solution, and controlling the pH value of the aqueous phase solution to be 4.4;
(3) adding the water phase solution and the oil phase solution into an emulsifier to obtain an emulsion matrix, wherein the temperature of the emulsion matrix is 72 ℃;
(4) cooling the emulsified substrate to 60 ℃, then adding a sensitizer into a sensitizing machine for sensitization, wherein the sensitization temperature is 73 ℃, finally adding a foaming agent, a catalyst, a density regulator, a thickening agent and a dispersing agent, stirring, mixing uniformly and discharging;
(5) putting the oil phase and the surfactant in the component B into a melting tank, heating, stirring and heating to 105 ℃;
(6) adding the scrapped colloidal emulsion explosive into the melting tank in the step (5) in small blocks;
(7) controlling the temperature of the melting tank in the step (6) at 115 ℃, stirring for 12min, and uniformly mixing for later use; the prepared scrapped colloidal emulsion explosive mixed solution is required to be clear and transparent and has good fluidity; the sample is placed in a beaker for heat preservation and static observation, the phenomena of layering and crystallization do not exist for 24 hours, and the sample is repeatedly cooled; the phenomena of layering, crystallization and the like are still avoided after heating and stirring;
(8) and (4) uniformly mixing the material prepared in the step (4) and the material prepared in the step (7) to prepare the high-viscosity colloidal explosive.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (9)
1. A high-viscosity colloidal explosive is characterized in that: the explosive comprises the following components in parts by mass: b =3:1, wherein:
the component A comprises the following components in parts by weight:
ammonium nitrate: 50-60 parts of sodium nitrate: 20-30 parts of potassium nitrate: 1-3 parts of ammonium perchlorate: 0.8-1 part, water: 15-20 parts of a composite oil phase: 10-15 parts of an emulsifier: 3-5 parts of a thickening agent: 0.2-0.5 parts of density regulator: 0.2-0.4 part, sensitizer: 4-6 parts of a dispersant: 1-2 parts of foaming agent: 0.4-0.6 part of catalyst: 0.4-0.5 part;
the component B comprises the following components in parts by mass:
scrapping the colloidal emulsion explosive: 50-60 parts of surfactant: 2-5 parts of an oil phase: 20-35 parts.
2. A high-viscosity colloidal explosive according to claim 1, characterized in that: the explosive comprises the following components in parts by mass: b =3:1, wherein:
the component A comprises the following components in parts by weight:
ammonium nitrate: 50 parts, sodium nitrate: 20 parts of potassium nitrate: 1 part, ammonium perchlorate: 0.8 part, water: 15 parts of composite oil phase: 10 parts of an emulsifier: 3 parts of a thickening agent: 0.2 part, density regulator: 0.2 part, sensitizer: 4 parts, dispersant: 1 part, foaming agent: 0.4 part, catalyst: 0.4 part;
the component B comprises the following components in parts by mass:
scrapping the colloidal emulsion explosive: 50 parts, surfactant: 2 parts, oil phase: and 20 parts.
3. A high-viscosity colloidal explosive according to claim 1, characterized in that: the explosive comprises the following components in parts by mass: b =3:1, wherein:
the component A comprises the following components in parts by weight:
ammonium nitrate: 60 parts, sodium nitrate: 30 parts, potassium nitrate: 3 parts of ammonium perchlorate: 1 part, water: 20 parts of composite oil phase: 15 parts, emulsifier: 5 parts of a thickening agent: 0.5 part, density regulator: 0.4 part, sensitizer: 6 parts, dispersant: 2 parts of foaming agent: 0.6 part, catalyst: 0.5 part;
the component B comprises the following components in parts by mass:
scrapping the colloidal emulsion explosive: 60 parts, surfactant: 5 parts, oil phase: 35 parts of (A).
4. A high-viscosity colloidal explosive according to claim 1, characterized in that: the explosive comprises the following components in parts by mass: b =3:1, wherein:
the component A comprises the following components in parts by weight:
ammonium nitrate: 55 parts, sodium nitrate: 25 parts of potassium nitrate: 2 parts, ammonium perchlorate: 0.9 part, water: 18 parts of composite oil phase: 12 parts, emulsifier: 4 parts, thickening agent: 0.3 part, sealing regulator: 0.3 part, sensitizer: 5 parts, dispersant: 1 part, foaming agent: 0.5 part, catalyst: 0.4 part;
the component B comprises the following components in parts by mass:
scrapping the colloidal emulsion explosive: 55 parts, surfactant: 3 parts, oil phase: 28 parts.
5. A high-viscosity colloidal explosive according to any of claims 1 to 4, characterized in that: the emulsifier is a triazine ring-containing nonionic surfactant; the thickening agent is polyacrylamide; the sensitizer is sodium nitrite; the density regulator is expanded perlite; the dispersing agent is one or more of phenolic resin hollow microspheres, wood powder or coarse bran; the foaming agent is sodium nitrite; the catalyst is phosphoric acid aqueous solution.
6. A high-viscosity colloidal explosive according to any of claims 1 to 4, characterized in that: the composite oil phase is a mixture of paraffin, oil refining byproducts, engine oil, vaseline, polystyrene and polypropylene, wherein the composite oil phase comprises the following components in parts by weight: paraffin wax: 20-23 parts of an oil refining by-product: 35-39 parts of engine oil: 10-15 parts of vaseline: 5-10 parts of polystyrene: 2-4 parts of polypropylene: 1-3 parts.
7. A high-viscosity colloidal explosive according to any of claims 1 to 4, characterized in that: the surfactant is polyisobutylene macromolecular surfactant or low-molecular nonionic surfactant.
8. A high-viscosity colloidal explosive according to any of claims 1 to 4, characterized in that: the oil phase is a mixture of paraffin, vaseline, animal oil and vegetable oil, and the weight ratio of the paraffin to the vegetable oil is as follows: vaseline: animal oil: vegetable oil =2:2:1: 1.
9. A high-viscosity colloidal explosive according to any of claims 1 to 4, which is prepared by a process comprising the steps of:
(1) mixing and heating the composite oil phase and the emulsifier to 100-105 ℃, and uniformly stirring and mixing to obtain an oil phase solution;
(2) crushing ammonium nitrate, heating water at 80-90 deg.c, adding sodium nitrate, potassium nitrate, ammonium perchlorate and crushed ammonium nitrate while stirring to dissolve to obtain water phase solution with pH value of 4.3-4.5;
(3) adding the water phase solution and the oil phase solution into an emulsifier to obtain an emulsion matrix, wherein the temperature of the emulsion matrix is 70-75 ℃;
(4) cooling the emulsified substrate to 60 ℃, then adding a sensitizer into a sensitizing machine for sensitization, wherein the sensitization temperature is 70-75 ℃, finally adding a foaming agent, a catalyst, a density regulator, a thickening agent and a dispersing agent, stirring and mixing uniformly, and discharging;
(5) putting the oil phase and the surfactant in the component B into a melting tank, heating, stirring and heating to 110 ℃;
(6) adding the scrapped colloidal emulsion explosive into the melting tank in the step (5) in small blocks;
(7) controlling the temperature of the melting tank in the step (6) at 110-120 ℃, stirring for 10-15min, and uniformly mixing for later use;
(8) and (4) uniformly mixing the material prepared in the step (4) and the material prepared in the step (7) to prepare the high-viscosity colloidal explosive.
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Citations (9)
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