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Agricultural explosion-proof ammonium nitrate

An ammonium nitrate, explosion-proof technology, applied in the application, agriculture, fertilizer mixture and other directions, can solve the problems of high cost and high price of modifiers, and achieve the effects of low production cost, low labor intensity of workers, and excellent looseness.

Inactive Publication Date: 2014-02-26
ANHUI HUAIHUA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The first type is simple physical blending to produce nitro NPK compound fertilizer. Due to the addition of a large amount of other substances, this type of compound fertilizer is no longer explosive; the second type is to modify the existing device and add modified ammonium nitrate solution modifier, producing explosion-proof ammonium nitrate, but the price of this kind of modifier is relatively high at present
As described in the Chinese patent agricultural anti-explosion ammonium nitrate (200410042733.8): an inorganic composite powder anti-explosion agent is composed of a reinforcing agent, a desensitizing agent and a stabilizer, and the added concentration is 3% to 10%, and its cost is relatively high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A kind of agricultural anti-explosion ammonium nitrate, described agricultural anti-explosion ammonium nitrate is made up of ammonium nitrate, melamine, anti-explosion agent, anti-explosion agent and anti-caking agent, and the parts by weight of each component are as follows:

[0019]

[0020] The above-mentioned agricultural explosion-proof ammonium nitrate is prepared as follows: Pour the above-mentioned components into the mixing tank at 168 ° C ~ 173 ° C of the high-tower granulation production line of ammonium nitrate in turn, and after mixing for 4 to 6 minutes, turn on the mixing tank. All the tanks are poured backwards, and the granulation flow rate is 10t / h~12t / h, which is continuously granulated by the rotary nozzle to produce granular agricultural explosion-proof ammonium nitrate with a diameter of 1~2mm.

[0021] Get the ammonium nitrate that the present invention makes, adopt SDT-Q600 type differential scanning calorimetry-thermogravimetric analysis combi...

Embodiment 2

[0026] A kind of agricultural anti-explosion ammonium nitrate, described agricultural anti-explosion ammonium nitrate is made up of ammonium nitrate, melamine, anti-explosion agent, anti-explosion agent and anti-caking agent, and the parts by weight of each component are as follows:

[0027]

[0028] The above-mentioned agricultural explosion-proof ammonium nitrate is prepared as follows: Pour the above-mentioned components into the mixing tank at 168 ° C ~ 173 ° C of the high-tower granulation production line of ammonium nitrate in turn, and after mixing for 4 to 6 minutes, turn on the mixing tank. The tanks are all poured backwards, and the granulation flow rate is 10t / h~12t / h, which is continuously granulated through the rotary nozzle to produce granular agricultural explosion-proof ammonium nitrate with a diameter of 1~2mm.

[0029] Get the ammonium nitrate that the present invention makes, adopt SDT-Q600 type differential scanning calorimetry-thermogravimetric analysis ...

Embodiment 3

[0034] A kind of agricultural anti-explosion ammonium nitrate, described agricultural anti-explosion ammonium nitrate is made up of ammonium nitrate, melamine, anti-explosion agent, anti-explosion agent and anti-caking agent, and the parts by weight of each component are as follows:

[0035]

[0036] The above-mentioned agricultural explosion-proof ammonium nitrate is prepared as follows: Pour the above-mentioned components into the mixing tank at 168 ° C ~ 173 ° C of the high-tower granulation production line of ammonium nitrate in turn, and after mixing for 4 to 6 minutes, turn on the mixing tank. The tanks are all poured backwards, and the granulation flow rate is 10t / h~12t / h, which is continuously granulated through the rotary nozzle to produce granular agricultural explosion-proof ammonium nitrate with a diameter of 1~2mm.

[0037] Get the ammonium nitrate that the present invention makes, adopt SDT-Q600 type differential scanning calorimetry-thermogravimetric analysis ...

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Abstract

The invention discloses agricultural explosion-proof ammonium nitrate. The agricultural explosion-proof ammonium nitrate comprises the following components in parts by weight: 80-90 parts of ammonium nitrate, 5-10 parts of melamine, 2-10 parts of an explosion-proof agent, 2-8 parts of a detonation elimination agent and 0-10 parts of an anti-caking agent. The agricultural explosion-proof ammonium nitrate disclosed by the invention can ensure that the agricultural explosion-proof ammonium nitrate is stable, resistant to high heat and incapable of being reduced, and contains not less than 35% of total nutrients; when the agricultural explosion-proof ammonium nitrate is used in an agricultural fertilizer, the fertilizer efficiency can not be affected, the synergistic effect is realized, and the agricultural explosion-proof ammonium nitrate has no soil pollution, is easily fully absorbed by crops and is widely suitable for preparation of the agricultural explosion-proof ammonium nitrate.

Description

technical field [0001] The invention belongs to the field of chemical industry and relates to an agricultural explosion-proof ammonium nitrate. Background technique [0002] Ammonium nitrate is a traditional high-quality agricultural fertilizer and the main raw material of ammonium-based explosives. It is very easy to be processed into "earth explosives" privately for illegal mining, even terrorist activities, destroying resources and affecting social order. For this reason, the country issued the State Council Document No. 52 in 2002 to strictly manage ammonium nitrate, prohibiting ammonium nitrate from being sold as agricultural chemical fertilizers. Due to the market demand for nitrate nitrogen fertilizer for some crops, ammonium nitrate is allowed to be modified to make it lose its explosiveness and be sold and used as agricultural fertilizer. [0003] In order to solve the problem of the explosiveness of ammonium nitrate, there are two main types of explosion-proof am...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 程勇
Owner ANHUI HUAIHUA
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