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Preparation method for black bamboo salt

A technology of purple bamboo salt and bamboo salt, applied in the field of bamboo salt processing, can solve problems such as inability to purify harmful substances in bamboo salt, and achieve the effects of reduced yield and easy boiling

Active Publication Date: 2015-07-22
张建民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, due to defects in temperature control in the existing bamboo salt production methods, some harmful substances in bamboo salt cannot be purified, and the resulting bamboo salt is gray bamboo salt instead of purple bamboo salt, and its economic value is not as high as that of purple bamboo salt.

Method used

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  • Preparation method for black bamboo salt

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Take the steel bamboo and cut it into single-section bamboo tubes, wash them with clean water, put salt into the cut bamboo tubes after drying, and fill the salt up to 1 cm from the top of the bamboo tube wall. Apply the prepared yellow mud evenly to the top of the bamboo tube, and seal the yellow mud layer with a thickness of one centimeter. Sealed bamboo tubes are arranged in the kiln in a cross pattern to ensure full combustion in the kiln. When the temperature in the kiln reaches 300°C, maintain this temperature and continue firing for 2.5 hours. Then raise the temperature in the kiln to 500°C and keep firing at this temperature for 2 hours. Then the temperature in the kiln was raised to 800°C again, and the firing was maintained at this temperature for 1 hour. Finally, the temperature in the kiln was increased to 1200°C, and firing continued at this temperature for 1 hour.

[0030] After firing, the kiln switch is turned on, and the fired liquid salt flows into ...

Embodiment 2

[0032] Take the bamboo with a growth period of 3 years, cut it into a single-section bamboo tube, wash it with clean water, put salt into the cut bamboo tube after drying, and fill it up to 1 cm from the top of the bamboo tube wall.

[0033] Take the loess and yellow mud 10 meters deep underground, and apply it evenly to the top of the bamboo tube, and seal the yellow mud layer with a thickness of one centimeter. The sealed bamboo tubes are arranged in a crosswise arrangement in the capacitor corundum kiln, and the heating rate is set to 300°C / h to gradually increase the temperature in the kiln, and the ventilation and oxygen flow are opened during the firing process. When the temperature in the kiln reaches 320°C, maintain this temperature and continue firing for 2 hours. Then raise the temperature inside the kiln to 530°C, and keep firing at this temperature for 1 hour. Then the temperature in the kiln was raised to 850°C again, and the firing was maintained at this tempera...

Embodiment 3

[0036] Take the bamboo with a growth period of 3 years, remove the bamboo leaves and branches, and cut them into single-section bamboo tubes. The length of the unified bamboo tube is 30-40 cm, and the length is less than 30 cm or higher than 40 cm. Wash the selected bamboo tubes with clean water, dry them, and put salt into the cut bamboo tubes, filling the salt up to 1 cm from the top of the bamboo tube wall.

[0037]Take the loess and yellow mud 10 meters deep underground, and apply it evenly to the top of the bamboo tube, and seal the yellow mud layer with a thickness of one centimeter. The sealed bamboo tubes are arranged in a crosswise arrangement in the capacitor corundum kiln, and the heating rate is set to 500°C / h to gradually increase the temperature in the kiln, and the ventilation and oxygen flow are turned on during the firing process. When the temperature in the kiln reaches 300°C, maintain this temperature and continue firing for 2 hours. Then raise the tempera...

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Abstract

The invention provides a preparation method for black bamboo salt. The preparation method comprises the following steps: filling the salt into a bamboo barrel, then, sealing the bamboo barrel with yellow mud and putting the bamboo barrel into a kiln for sintering the salt into liquid salt; enabling the liquid-state bamboo salt to flow into an electrolytic cell to perform electrolysis, collecting the liquid-state salt flowing out of the electrolytic cell, and cooling to a temperature not greater than 40 DEG C. By virtue of the electrolysis mode, heavy metal ions in the liquid-state salt can be adsorbed to an electrode, so that the black bamboo salt is further purified. The purity of the liquid-state salt flowing out of the electrolytic cell reaches the standards of the black bamboo salts.

Description

technical field [0001] The invention relates to the technical field of bamboo salt processing, in particular to a preparation method of purple bamboo salt. Background technique [0002] Purple Bamboo Salt has a long history and is prepared by firing or roasting bamboo and salt. Purple bamboo salt has outstanding effects, it can promote the secretion of saliva and gastric juice, and help the digestive organs fully digest food; it can remove intestinal stool by virtue of its strong penetration and osmotic pressure, and enter saliva, gastric juice, blood, lymph, bile, urine and other various parts of the body. It is a kind of body fluid to excrete toxins from the body; the comprehensive effect of strong detoxification and bactericidal power can eliminate inflammation; purple bamboo salt is an alkaline food, which can effectively and directly improve the acidic body; purple bamboo salt contains natural sulfur and turpentine ingredients, they can effectively remove heavy metals;...

Claims

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Application Information

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IPC IPC(8): A23L1/237A23L27/40
Inventor 张建民
Owner 张建民
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