Emulsion explosive foaming agent and emulsion explosive using same

An emulsion explosive and foaming agent technology, which is applied to non-explosive/non-thermal agent components, explosives, offensive equipment, etc., can solve the problems of rapid decay of explosive performance, poor storage stability of emulsion explosives, and high storage environment temperature requirements. To achieve the effect of long natural storage period, strong resistance to dynamic and static pressure, and low corrosiveness

Inactive Publication Date: 2018-11-30
FUJIAN CIVILIAN BLASTING CHEM
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the chemical sensitization of emulsion explosives is based on the reaction of ammonium nitrate and sodium nitrite to generate bubbles, which can be divided into fast foaming or slow aftereffect foaming. The fast foaming agent has a strong promoting effect, strong acidity and fast foaming, but it is The storage stability of the emulsion explosive is poor, and the explosion performance of the explosive decays quickly
The slow post-effect foaming agent has less effect, but slow foaming, large post-effect, high requirements for storage environment temperature, difficult packaging during production, and many rework drugs

Method used

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  • Emulsion explosive foaming agent and emulsion explosive using same
  • Emulsion explosive foaming agent and emulsion explosive using same
  • Emulsion explosive foaming agent and emulsion explosive using same

Examples

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Comparison scheme
Effect test

Embodiment 1

[0016] An emulsion explosive foaming agent, comprising 20kg of sodium nitrite, 10kg of magnesium nitrate, 5kg of zinc nitrate and 5kg of calcium nitrate, mixed and dissolved in 60kg of water, the water temperature being 45°C.

Embodiment 2

[0018] An emulsion explosive comprising 99.60% of the emulsification matrix and 0.40% of the foaming agent for the emulsion explosive; the foaming agent for the emulsion explosive used in Example 1;

[0019] Described emulsifying matrix is ​​made of 93.5% aqueous phase solution (ammonium nitrate 84%, sodium nitrate 6%, water 10%) and 6.5% oily phase solution (sp~80 emulsifier 35%, composite wax 65%) at 90 ℃ It is obtained by emulsifying at a temperature of 50°C to 60°C and a density of 1.38g / cm by water-cooling the emulsification matrix. 3 ~1.40g / cm 3 ;

[0020] The foaming agent of the emulsion explosive is added into the cooled emulsification matrix by means of pumping and metering, and the emulsion explosive is obtained after uniform mixing.

[0021] The emulsion explosive of the second embodiment is charged by a filling machine and packed into medicine rolls with a weight of 300g, a diameter of 32mm and a length of 34cm; 20 medicine rolls are packed into one bag by explo...

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Abstract

The invention relates to the technical field of emulsion explosives, in particular to an emulsion explosive foaming agent and an emulsion explosive using the same. The emulsion explosive foaming agentcomprises one or more of magnesium nitrate, zinc nitrate and calcium nitrate, and the emulsion explosive foaming agent of the emulsion explosive has a mass percentage of 0.20% to 0.50%. according tothe invention, one or more of magnesium nitrate, zinc nitrate and calcium nitrate is taken as a catalyst, and due to no acid is added to the emulsion explosive foaming agent, corrosion is extremely low, and the service life of a machine for producing the foaming agent is prolonged; and at the same time, the diameter of foamed sensitized bubbles is uniform, the foamed sensitized bubbles are completely composed of nitrogen and do not contain nitrogen oxides, and therefore the chemical properties of the explosive are stable.

Description

technical field [0001] The invention relates to the technical field of emulsion explosives, in particular to an emulsion explosive foaming agent and an emulsion explosive using the foaming agent. Background technique [0002] The sensitization methods of emulsion explosives are divided into three types: physical sensitization, chemical sensitization and physical-chemical composite sensitization. Due to the needs of automatic production, chemical sensitization has become the most mainstream sensitization method for emulsion explosives. At present, the chemical sensitization of emulsion explosives is based on the reaction of ammonium nitrate and sodium nitrite to generate bubbles, which can be divided into fast foaming or slow aftereffect foaming. The fast foaming agent has a strong promoting effect, strong acidity and fast foaming, but it is The storage stability of emulsion explosives is poor, and the detonation performance of explosives decays quickly. The slow post-effect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C06B31/28C06B31/02C06B23/00
CPCC06B23/00C06B31/02C06B31/28
Inventor 陈志华鲍俊吴我长林春林冬刘银徐敬华陈焘李园
Owner FUJIAN CIVILIAN BLASTING CHEM
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