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Method for preparing ammonium nitrate composite explosive by using organic waste

A technology of organic waste and mixed explosives, applied in the directions of explosives, explosives processing equipment, offensive equipment, etc., can solve the problems of high production cost and complex production process of expanded ammonium nitrate explosives, save energy, realize the whole process of informatization, save effect of investment

Inactive Publication Date: 2014-05-14
唐文庆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Expanded ammonium nitrate explosive has excellent explosive performance and is the main industrial explosive in my country. However, the production process of expanded ammonium nitrate explosive is complicated. Due to the need to add special surface active substances and oil substances, the production cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] This method utilizing organic waste to prepare ammonium nitrate mixed explosives, its steps comprise:

[0020] (1) Add papermaking black liquor and urea with a neutral pH value to the ammonium nitrate solution to prepare a mixed ammonium nitrate solution. The amount of organic matter added is calculated according to the principle of oxygen balance. The amount of urea added is 1% of the weight of ammonium nitrate , to make a mixed solution of ammonium nitrate with a mass percentage of 91% and a temperature of 140°C;

[0021] (2) Prepare ammonium nitrate granules by spraying pulverization method, screw pump the liquid, select the air flow nozzle to spray the ammonium nitrate mixed liquid, and select the air inlet temperature to be 100°C.

[0022] Using spray powder, under the action of surfactant, the surface of the ammonium nitrate dispersed into mist droplets is the non-polar group of organic molecules, on the one hand, it plays a hydrophobic role, preventing the rapid ...

Embodiment 2

[0024] This method utilizing organic waste to prepare ammonium nitrate mixed explosives, its steps comprise:

[0025] (1) Add ammonium lignosulfonate and urea to the ammonium nitrate solution to prepare ammonium nitrate mixed liquid. The amount of organic matter added is calculated according to the principle of oxygen balance. The amount of urea added is 1.5% of the weight of ammonium nitrate. Ammonium nitrate mixture with a percentage of 89% and a temperature of 120°C;

[0026] (2) Prepare ammonium nitrate granules by spraying pulverization method, screw pump the liquid, select the air flow nozzle to spray the ammonium nitrate mixed liquid, and select the air inlet temperature to be 80°C.

Embodiment 3

[0028] This method utilizing organic waste to prepare ammonium nitrate mixed explosives, its steps comprise:

[0029] (1) Add ammonium lignosulfonate and urea to the ammonium nitrate solution to prepare ammonium nitrate mixed liquid. The amount of organic matter added is calculated according to the principle of oxygen balance. The amount of urea added is 2% of the weight of ammonium nitrate. Ammonium nitrate mixture with a percentage of 93% and a temperature of 145°C;

[0030] (2) Prepare ammonium nitrate granules by spraying pulverization method, screw pump the liquid, select the air flow nozzle to spray the ammonium nitrate mixed liquid, and select the air inlet temperature to be 100°C.

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Abstract

The invention discloses a method for preparing an ammonium nitrate composite explosive by using organic waste. The method comprises the following steps: (1) adding a water-soluble organic matter and urea to an ammonium nitrate solution so as to prepare ammonium nitrate mixed liquid; (2) preparing the ammonium nitrate composite explosive by using the ammonium nitrate mixed liquid. The method has the characteristics that the water-soluble organic matter unlikely to vaporize is used as a comburent of the ammonium nitrate composite explosive and is fully dispersed and in contact with the water-soluble organic matter and ammonium nitrate to the maximum degree, so that explosive property is excellent; the production process of the ammonium nitrate composite explosive can be combined with the ammonium nitrate production process, the production technology is simple and safe, energy sources are saved, and the investment is saved. As the added organic matter plays a role of burning, all the organic matters which are water-soluble and difficult to vaporize can be utilized, therefore, numerous industrial waste and byproducts can be used as production raw materials, the production cost is reduced, the resources can be recycled, and the purpose of saving the resources is achieved; organic water pollution, particularly raw materials which are sensitive to wastewater treatment strains and even are poisonous and harmful can be treated, and environments are protected.

Description

technical field [0001] The invention relates to a method for preparing ammonium nitrate mixed explosives by utilizing organic waste, and belongs to the technical field of preparation of civil explosives. Background technique [0002] Ammonium nitrate explosive is an explosive mixture and one of the most widely used industrial explosives, with medium power and certain sensitivity. Ammonium oil explosives and expanded ammonium nitrate explosives are the most widely used in industry at present. [0003] Ammonium oil explosive is a simple mixture explosive of ammonium nitrate and fuel oil, also known as ammonium nitrate-fuel oil explosive. Ammonium oil explosives have rich sources of raw materials, low cost, easy manufacture, safe operation and convenient use. However, the degree of dispersion of fuel oil and ammonium nitrate determines that the explosive performance is not ideal. [0004] Expanded ammonium nitrate explosive refers to the explosive made by expanding ammonium ...

Claims

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Application Information

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IPC IPC(8): C06B31/28C06B21/00
Inventor 唐文庆
Owner 唐文庆
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