Production process for 400 micron ammonium perchlorate

An ammonium perchlorate and production process technology, applied in the directions of perchloric acid, perchlorate, halogen oxides/oxyacids, etc., can solve the problems of low yield and incapability of mass production, etc.

Active Publication Date: 2021-02-02
HUBEI DONGFANG CHEM IND
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

If adopt the method of water sieve classification commonly used to obtain the ammonium perchlorate of 400 microns, the yield is very low, less than 20%, and can not be produced in batches
Moreover, at present, there is no technology in China to directly produce 400 micron products with crystallizers

Method used

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  • Production process for 400 micron ammonium perchlorate

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Embodiment Construction

[0017] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, and the implementation scope of the present invention is not limited thereto.

[0018] Such as figure 1 Shown, the production technique that is used for 400 microns of ammonium perchlorate of the present embodiment, refining ammonium perchlorate solution is input in insulation tank 1, and the ammonium perchlorate solution in insulation tank 1 is input in crystallizer 2, and Control the input rate according to the crystallization process, so that the ammonium perchlorate solution in the crystallizer 2 maintains a stable supersaturation, and the concentration of the crystal slurry is 37%-42%, and the ammonium perchlorate solution in the crystallizer 2 is circulated through by the circulation pump 4 After the external cooler 3 returns to the crystallizer 2, the circulation volume is 170m3 / h-200m3 / h, and the temperature of the solution is k...

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Abstract

The invention relates to the technical field of ammonium perchlorate, in particular to a production process for 400-micron ammonium perchlorate, wherein the refined ammonium perchlorate solution is input into a thermal insulation tank, and the ammonium perchlorate solution in the thermal insulation tank is input in the crystallizer, and control the input rate according to the crystallization process, so that the ammonium perchlorate solution in the crystallizer maintains a stable supersaturation, and the concentration of the crystal slurry is 37%-42%. Circulate through the external cooler and return to the crystallizer. The circulation volume is 170m3 / h-200m3 / h, and the temperature of the solution is kept at 26°C-28°C, so that the generated crystal nuclei grow in the circulation pipeline and control the fineness of the belt. The range of the crystal is 0.2%-2.0%. After the crystal grain size in the crystallizer is qualified, the discharge pump is used to discharge the material several times intermittently. The present invention directly controls the production of ammonium perchlorate with a particle size of 400 microns, which is once in the crystallizer. Forming, the product yield is over 99.5%.

Description

technical field [0001] The invention relates to the technical field of ammonium perchlorate, in particular to a production process for 400 micron ammonium perchlorate. Background technique [0002] Ammonium perchlorate is a white crystal with deliquescence and wide application. It can be used to make explosives, fireworks, analytical reagents, etc. It can also be used to manufacture ammonium perchlorate explosives, engraving agents and artificial anti-hail agents. Because ammonium perchlorate is a strong oxidant, it will explode when mixed with reducing agent, organic matter, combustibles such as sulfur, phosphorus or metal powder, and it may cause combustion and explosion when it contacts with strong acid, so its production and processing are more difficult. [0003] At present, there is a certain demand for ammonium perchlorate (abbreviated as AP) with a particle size of 400 microns in the market. However, according to GJB617A-2003, ammonium perchlorate products have both ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D9/02C01B11/18
CPCB01D9/00C01B11/185
Inventor 黄胜华杨金山李锦福赵勤王飞翔田文庆
Owner HUBEI DONGFANG CHEM IND
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