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[Chemical Knowledge]：Production and manufacturing method and process flow of ammonium nitrate

Read： 1979 Time：20months ago Source：Transform the World with Simplicity

Manufacturing Method
of Ammonium Nitrate
Ammonium nitrate is a widely used chemical product, mainly used in the manufacture of fertilizers and explosives. Its manufacturing process involves a series of chemical reactions and operations, and this article will introduce the manufacturing method of ammonium nitrate in detail.

1. Raw Material Preparation
The production of
ammonium nitrate requires the preparation of the following raw materials: nitric acid, ammonia water, and water. Wherein, the ratio of nitric acid and ammonia water is 1:1, and the amount of water is determined according to the required concentration of ammonium nitrate.

2. reactor set up

to add the prepared raw materials to the reactor, and the reactor needs to have stirring and heating functions. At the same time, it is necessary to set up the temperature and pressure control system of the reactor to ensure the smooth progress of the reaction.

3. reaction process

1. nitric acid and ammonia water in accordance with a certain proportion of the reaction kettle, start the stirring device, so that the raw materials are fully mixed.

2. Heating the reaction kettle, so that the temperature in the reaction kettle to the set value, the chemical reaction began. At this time, a neutralization reaction occurs between the nitric acid and the aqueous ammonia to produce ammonium nitrate and water.

3. During the reaction, it is necessary to constantly monitor the temperature and pressure changes in the reactor to ensure the smooth progress of the reaction. If abnormal temperature or pressure is found, the reaction conditions need to be adjusted in time.

4. When the reaction is complete, the heating and stirring are stopped, the reactor is opened, and the resulting ammonium nitrate solution is discharged.

4. post-treatment

1. will be released ammonium nitrate solution is filtered to remove impurities and insoluble substances.

2. Depending on the desired concentration of ammonium nitrate, the filtered solution is concentrated or diluted.

3. Crystallization of concentrated or diluted ammonium nitrate solution to obtain ammonium nitrate crystals.

4. Finally, the ammonium nitrate crystals are dried and packaged to obtain the finished ammonium nitrate.
Precautions for
5.

1. During the manufacturing process, it is necessary to pay attention to the proportion of raw materials and the order of addition to ensure the smooth progress of the reaction.

2. The temperature and pressure control system of the reactor needs to be accurate and reliable to avoid safety accidents.

3. In the post-treatment process, it is necessary to pay attention to the concentration of the solution and the crystallization conditions to obtain high-quality ammonium nitrate crystals.

In short, the manufacture of ammonium nitrate needs to strictly abide by the relevant operating procedures and safety regulations to ensure the smooth progress of the manufacturing process and the stable and reliable product quality.

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