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Heatproof mixing explosive and preparation method thereof

A mixed explosive and heat-resistant technology, which is applied in explosive processing equipment, explosives, nitrated acyclic/alicyclic/heterocyclic amine explosive compositions, etc., can solve the problems that the armor-piercing power is difficult to meet the exploration needs and the relative density is low

Inactive Publication Date: 2013-10-16
XIAN MODERN CHEM RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although LLM-105 has high energy and excellent heat resistance between HMX and TATB, only the L091 explosive based on LLM-105 has a relatively low charge density (only 91 %), the armor-piercing power is difficult to meet the current exploration needs of ultra-deep wells and ultra-high temperature wells

Method used

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  • Heatproof mixing explosive and preparation method thereof
  • Heatproof mixing explosive and preparation method thereof
  • Heatproof mixing explosive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The heat-resistant mixed explosive of the present embodiment is composed of raw materials according to the following mass percentages:

[0036]

[0037] 1.1 Manufacturing process

[0038] (1) Preparation of solution

[0039] 30gFPM 2603 Add 100ml of ethyl acetate and dissolve under stirring at a temperature of 50°C to obtain FPM 2603 5 g of stearic acid was added into 10 ml of petroleum ether, and dissolved under stirring at a temperature of 45° C. to obtain a stearic acid solution for use.

[0040] (2) Coating of explosives

[0041] Stir 850g LLM-105, 100g TATB and 5g graphite in 2kg water to form a uniform dispersion system suspended in water, and add the prepared FPM to it 2603 ethyl acetate solution, stearic acid solution and polytetrafluoroethylene emulsion with a net content of 10g, and 5g of calcium chloride was added to break the emulsion to obtain an explosive slurry.

[0042] (3) Granulation

[0043] Reflux and evaporate the explosive slurry obtained ...

Embodiment 2

[0054] The heat-resistant mixed explosive of the present embodiment is composed of raw materials according to the following mass percentages:

[0055]

[0056] 2.1 Manufacturing process

[0057] The manufacturing process of this embodiment is the same as that of Embodiment 1, the only difference being the raw materials and proportioning of the explosive.

[0058] 2.2 Performance test

[0059] Table 3 performance test results

[0060]

Embodiment 3

[0062] The heat-resistant mixed explosive of the present embodiment is composed of raw materials according to the following mass percentages:

[0063]

[0064]

[0065] 3.1 Manufacturing process

[0066] The manufacturing process of this embodiment is the same as that of Embodiment 1, the only difference being the raw materials and proportioning of the explosive.

[0067] 3.2 Performance test

[0068] Table 4 performance test results

[0069]

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Abstract

The invention discloses a heatproof mixing explosive which comprises the following raw materials: by mass, 93.0%-95.0% of a single-compound explosive; 2.0%-3.0% of fluorine rubber; 0.5%-1.0% of stearic acid; 1.0%-2.0% of rubber slurry; and 0.3%-0.5% of graphite. The single-compound explosive is a mixture of LLM-105 and ATB; the fluorine rubber is FPM2311, FPM2603 or FPM246G; and the rubber slurry is polytetrafluoroethylene emulsion, polyacrylate emulsion or styrene-acrylonitrile copolymer emulsion. In the heatproof mixing explosive, the density and energy of the component LLM-105 are much higher than those of HNS, and the LLM-105 can provide sensitivity required for the explosive and provide rapid output of complete detonation waves. The component TATB can provide the explosive higher relative density and explosion output because of good loading and explosive pressing characteristics, so that the explosive has higher pressed density and armour penetrating power.

Description

technical field [0001] The invention belongs to the field of explosives, in particular to a heat-resistant mixed explosive and a preparation method thereof, which are used for charging petroleum perforating bullets. Background technique [0002] With the continuous rise of my country's international status of strategic petroleum resources, there is an increasing demand for exploration of ultra-deep wells and ultra-high temperature wells, and thus the energy and heat resistance requirements of petroleum perforating equipment used for oil well perforation are getting higher and higher . Heat-resistant mixed explosives are the main energy source for the jet formation of petroleum perforating charges. However, due to the limitation of the energy and heat resistance of explosives, the improvement of the penetration capability of heat-resistant perforating charges is limited. pathways of medicinal energy. [0003] At present, heat-resistant perforating bullet charges at home and ...

Claims

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Application Information

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IPC IPC(8): C06B25/34C06B25/04C06B21/00
Inventor 封雪松冯晓军徐洪涛田轩张为鹏
Owner XIAN MODERN CHEM RES INST
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