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Method for producing food grade potassium chloride

A production method and technology of potassium chloride, applied in the field of production technology of food-grade potassium chloride, can solve the problems of inconvenient production and use, wide particle size distribution, easy hardening, etc., and achieve high production efficiency, reduced production process, and low content Effect

Inactive Publication Date: 2017-09-15
天津长芦汉沽盐场有限责任公司
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Problems solved by technology

However, due to the small particle size and wide particle size distribution of the product, the product is easy to harden after being placed for a long time, which brings great inconvenience to the later production and use.

Method used

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  • Method for producing food grade potassium chloride

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Embodiment Construction

[0025] see attached figure 1 , the process of two-stage continuous crystallization of food-grade potassium chloride of the present invention mainly includes processes such as high-temperature dissolution, filtration and purification, continuous crystallization, dehydration separation, and drying, which are implemented in the following steps:

[0026] High-temperature dissolution process: put 95-115Kg of 93% potassium chloride raw material into 1m 3 In the potassium chloride solution, heat and dissolve under stirring, and prepare a saturated potassium chloride solution at 100-102°C;

[0027] Filtration and purification process: when the temperature of the solution rises to 103-105°C, filter the solution while it is hot to obtain a clear hot saturated solution of potassium chloride, which is stored in a buffer tank with heat preservation function for later use;

[0028] Continuous crystallization process: continuously pump hot saturated potassium chloride solution into the cont...

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Abstract

The invention discloses a method for producing food grade potassium chloride. The method mainly comprises high temperature dissolution, filtration and purification, continuous crystallization, dehydration separation, and drying. The prepared food-grade potassium chloride has large product particles, high particle uniformity and low impurity content, can be directly dried and packaged without washing, reduces process consumption and realizes a low production cost. The product has large particle sizes and high main content, does not easily cake after long term storage, and realizes production of low sodium salt through direct mixing of table salt or can be directly used as a food additive. The method utilizes a simple device, has a short production process, does not pollute the environment and has a high industrial application value.

Description

technical field [0001] The invention relates to a production process of potassium chloride, in particular to a production process of food-grade potassium chloride. Background technique [0002] Food-grade potassium chloride is generally refined from industrial potassium chloride. In the food processing industry, it is mainly used as a salt substitute, a nutritional supplement, and a gelling aid. In addition, it can also be used as a flavoring agent, yeast food, and flavor enhancer. , pH controller, etc. Potassium chloride is generally used as a potassium nutrient in food. Compared with other forms of potassium salt nutrients, it has the advantages of low price, high potassium content, and easy storage. Therefore, food-grade potassium chloride is used as a nutritional enhancer of potassium. It is the most widely used and can also be used as a fermented nutrient in fermented foods. Because potassium ions have strong chelating and gelling properties, food-grade potassium chlo...

Claims

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Application Information

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IPC IPC(8): C01D3/14
CPCC01D3/14C01P2004/60
Inventor 刘立平
Owner 天津长芦汉沽盐场有限责任公司
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