Method for producing nature seaweed iodine low-sodium salt through solarization by using solar energy greenhouse

A solar greenhouse and production method technology, applied in the directions of alkali metal chloride, food preparation, food science, etc., can solve the problems of high energy consumption and processing cost, difficulty in solid mixture, reducing salty taste, etc., to achieve production conditions and sanitation The effect of improving the environment, speeding up the process of concentration and crystallization, and saving brine resources

Inactive Publication Date: 2014-04-30
嘉兴联飨科技有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

The main drawback of this method of producing low-sodium salt under open-pit conditions is that open-pit salt production is greatly affected by the natural environment and climatic conditions
The defect of the low-sodium salt production method of this sodium chloride and potassium chloride fixed mixture is: at first adopt the ratio of increasing potassium chloride, generally reach 20%-30%, offset the content of sodium chloride
Because edible potassium chloride is relatively expensive, about 1300-1400 yuan per ton, which increases the total cost of salt and makes the price increase
Secondly, the characteristics of potassium chloride have a heavier metallic taste and bitter taste than sodium chloride, which affects and changes the taste of food and people's eating habits, and is not the first choice for human consumption
Low-sodium salt produced by vacuum salt or mechanical processing involves high energy consumption and processing costs, thus increasing production costs, making its price unaffordable for many
[0005] In the attempt to produce low-sodium salt, many other methods have been used, such as "preparation of low-sodium salt by mixing method", "production of low-sodium salt composition", "multi-element nutrition low-sodium salt", "low-sodium salt In the descriptions of methods such as "mixture of food", "edible health salt", and "preparation of low-sodium salt from plant sources", most of them use the method of adding and mixing to reduce the content of sodium chloride, that is, the method of simple physical mixing is used to produce Low-sodium salt is produced, and its defect is; First, producers have to mix sea salt, well salt, mineral salt, etc. with potassium chloride, potassium iodate, magnesium sulfate, and potassium selenite to obtain a solid mixture, but the real Homogeneous solid mixtures are very difficult
Secondly, by adding additives to table salt as a substitute for sodium chloride to reduce the salty taste of food, such as adding citric acid, maltose, sucrose and other substitutes to table salt, it does not meet the requirements of modern pure green, and some Additives can have undesired side effects
The low-sodium salt obtained by the method of mixed addition is economically unattractive due to high production costs, and most of them have no practical application and promotion value

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0052] In this example, seaweed is soaked in pure new brine with seawater brine density of 18°Be-20°Be, that is, unsaturated intermediate brine, then mashed, the filtrate is collected, and the filter residue is collected after repeated soaking. The resulting brine has a density of 32° The blending of Be's seawater and old brine is carried out at a ratio of 4:6 in the regulating tank, that is, 40% pure new brine and 60% old brine are blended, and then the blended brine is put into the evaporation tank for evaporation and concentration. When the brine reaches 26°Be supersaturation, it is filtered and put into the greenhouse crystallization pond, the depth of the irrigation pond reaches 3cm, and the crystallization period is 5 days. The produced low-sodium salt has a particle size of 2-4cm, whiteness ≥80%, and light transmittance above 90%. According to laboratory analysis, the content of sodium chloride is 65.72%, magnesium chloride is 1.87%, magnesium sulfate is 3.098%, calcium ...

example 2

[0054] In this example, Enteromorpha is soaked in pure new brine with a density of 25Be in seawater, ie saturated brine, then mashed, the filtrate is collected, and the filter residue is collected after repeated soaking. The obtained brine and the old brine with a density of 30--32Be press 3 The ratio of :7 is put into the adjustment tank and blended, after adjustment and fusion, it is filtered and placed in the greenhouse crystallization tank for drying. The crystallization cycle is 3 days. The produced low-sodium salt has a particle size of 2-4mm, whiteness ≥80%, and light transmittance of 90%. After drying and analysis, the sodium chloride content is 88.21%, of which trace elements magnesium chloride is 1.688% and magnesium sulfate is 2.177 %, calcium sulfate 0.448%, sulfate ion content 0.46%, which fully meets the low sodium salt standard, and the iodine content is 31.080mg / kg, which meets the national edible salt iodine content standard. The yield per acre is about 0.023 ...

example 3

[0056] In this example, Enteromorpha is soaked in pure new brine with a density of 25°Be, then mashed, the filtrate is collected, and the filter residue is collected after repeated soaking. The obtained brine and 32°Be seawater brine are carried out in a regulating tank. Blending, because the brine has a high sodium content after removing sulfate, sodium sulfate and other impurities, it is blended in a proportion of 2.5% of pure new brine and 7.5% of seawater brine. After precipitation and fusion, brine The visibility is above 20cm. After filtering, it is placed in the crystallization tank and dried. The crystallization cycle is 4 days. The produced low-sodium salt particles are 2-4mm. After drying and chemical analysis, the content of sodium chloride is 86.66%, magnesium chloride is 2.202%, and sulfuric acid Magnesium 2.387%, calcium sulfate 0.153%, sulfate ion content 0.46%, iodine content 24.908mg / kg, which meets the national iodine content standard for edible salt. The low-...

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PUM

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Abstract

The present invention discloses a method for producing a nature seaweed iodine low-sodium salt through solarization by using a solar energy greenhouse. The method is characterized in that the method for producing a low-sodium salt in a solar energy greenhouse by adopting the traditional nature solarization process through blending, adjustment and fusion of the pure new brine (sea brine or mine brine) and the abandoned old brine (sea brine) is provided, and an algae water extract is added so as to indirectly add the iodine element to obtain the nature seaweed iodine low-sodium salt. With the method, the defect of the method for producing the low-sodium salt containing iodine in the prior art is eliminated.

Description

Technical field [0001] The invention relates to a method for producing natural seaweed iodine low-sodium salt by using a solar greenhouse and adopting a traditional natural solarization process. That is, the pure new brine of seawater or mine brine is blended and adjusted with the recycled seawater brine (the old brine discharged from the production of ordinary salt) to produce potassium, magnesium, and calcium with low sodium chloride content and good health. Other trace elements are relatively balanced, pure natural edible salt without any additives. This salt-making method has been proved by industrialization experiments that it has low investment, low cost, high return, high economic efficiency, and meets the requirements of green food, and has practical application and promotion value. Background technique [0002] Salt is a mixture of sodium chloride, potassium chloride, magnesium, calcium and other trace elements. People consume salt every day, but too high sodium intake...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/237A23L1/304A23L33/16
CPCA23L27/40A23L33/16C01D3/04
Inventor 何培民蔡春尔石海涯石伊璇石其章
Owner 嘉兴联飨科技有限公司
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