Allowable emulsion explosive for coal mine and preparation method thereof

A technology of emulsified explosives and coal mines, which is applied in the direction of explosives, etc., can solve the problems of uneven size and distribution of sensitized bubbles, low explosive working ability, high viscosity of emulsified matrix, etc., and achieve remarkable economic effects, complete sensitization, and post-explosion little effect

Inactive Publication Date: 2012-06-27
SICHUAN MIANZHU XINGYUAN SPECIAL CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in order to improve the emulsifying effect of the emulsifying matrix, the commonly used emulsion explosives in domestic coal mines often use T152, LZ2727B, S-80 and other emulsifying agents or compound emulsifying agents. The prepared emulsifying matrix has high viscosity and poor fluidity. In the subsequent sensitization process, it is not easy to sensitize uniformly; in addition, in order to adapt

Method used

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  • Allowable emulsion explosive for coal mine and preparation method thereof

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Embodiment 1

[0055] The product of the present invention is composed of an oil phase part, a water phase part and a sensitized part, the oil phase part and the water phase part are prepared separately, and the prepared oil phase part and the water phase part are mixed and emulsified in a ratio of 93.8:6.2 to form an emulsified Base; the sensitized part is added to the emulsification base at a dosage of 0.25% relative to the emulsification base.

[0056] Among them, the raw material ratio of the oil phase is calculated according to the following parts by weight: special fat for emulsification 4 parts, emulsifier 1.9 parts; emulsifier is EX9139.

[0057] The raw material ratio of the water phase is calculated according to the following parts by weight: 64 parts of ammonium nitrate, 8 parts of sodium nitrate, 7 parts of potassium chloride, and 9 parts of water.

[0058] The raw material ratio of the sensitization part is calculated according to the following parts by weight: 35 parts of sodiu...

Embodiment 2

[0066] The product of the present invention is composed of an oil phase part, a water phase part and a sensitized part, the oil phase part and the water phase part are prepared separately, and the prepared oil phase part and the water phase part are mixed and emulsified in a ratio of 93.8:6.2 to form an emulsified Base; the sensitized part is added to the emulsification base at a dosage of 0.14% relative to the emulsification base.

[0067] Among them, the raw material ratio of the oil phase is calculated according to the following parts by weight: 4.7 parts of special fat for emulsification, 2.3 parts of emulsifier; the emulsifier is EX9139.

[0068] The raw material ratio of the water phase is calculated according to the following parts by weight: 66 parts of ammonium nitrate, 8.5 parts of sodium nitrate, 5 parts of potassium chloride, and 9 parts of water.

[0069] The raw material ratio of the sensitization part is calculated according to the following parts by weight: 38 ...

Embodiment 3

[0077] The product of the present invention is composed of an oil phase part, a water phase part and a sensitized part, the oil phase part and the water phase part are prepared separately, and the prepared oil phase part and the water phase part are mixed and emulsified in a ratio of 93.8:6.2 to form an emulsified Base; the sensitized part is added to the emulsification base at a dosage of 0.19% relative to the emulsification base.

[0078] Among them, the raw material ratio of the oil phase is calculated according to the following parts by weight: 5.0 parts of special fat for emulsification, 2.6 parts of emulsifier; the emulsifier is EX9139.

[0079] The raw material ratio of the water phase is calculated according to the following parts by weight: 73 parts of ammonium nitrate, 10 parts of sodium nitrate, 6 parts of potassium chloride, and 10 parts of water.

[0080] The raw material ratio of the sensitization part is calculated according to the following parts by weight: 30 ...

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Abstract

The invention discloses an allowable emulsion explosive for coal mines and a preparation method thereof. The emulsion explosive comprises an oil-phase part, a water-phase part and a sensitizing part, wherein the oil-phase part comprises the following raw materials by weight part: 3.5-5.0 parts of special emulsifying grease and 1.5-2.8 parts of emulsifier; the water-phase part comprises the following raw materials by weight part: 60-75 parts of ammonium nitrate, 8-11 parts of sodium nitrate, 5-8 parts of potassium chloride and 9-11 parts of water; and the sensitizing part comprises the following raw materials by weight part: 30-50 parts of aqueous solution of sodium nitrite, 30-35 parts of aqueous solution of phosphoric acid and 8-20 parts of sensitizing accelerating agent. The preparation method comprises the following steps: 1) preparing the oil phase and the water phase; 2) performing emulsifying treatment; 3) performing drug cooling treatment; 4) performing sensitizing treatment; and 5) filling and packaging the drug. The allowable emulsion explosive for coal mines has the characteristics of high explosion speed, high explosive grade, high working capacity, stable performance, long-term storage, and the like.

Description

technical field [0001] The invention relates to an emulsion explosive, in particular to an emulsion explosive permitted in coal mines, and a preparation method of the emulsion explosive. The product prepared by the invention can completely satisfy the blasting engineering use in coal mines such as high-methane mines, low-methane mines and high-methane mining faces, kerosene coexistence mines, coal and coalbed methane outburst mines, and the like. Background technique [0002] Emulsion explosives allowed in coal mines are environmentally friendly industrial explosives containing flame suppressants. has been used extensively. However, in order to improve the emulsifying effect of the emulsifying matrix, the commonly used emulsion explosives in domestic coal mines often use T152, LZ2727B, S-80 and other emulsifying agents or compound emulsifying agents. The prepared emulsifying matrix has high viscosity and poor fluidity. In the subsequent sensitization process, it is not eas...

Claims

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Application Information

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IPC IPC(8): C06B31/28
Inventor 蔡家富李多建张成刚封涛王德会张成山曾令均
Owner SICHUAN MIANZHU XINGYUAN SPECIAL CHEM
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