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CN104783125A - Preparation method for black bamboo salt - Google Patents

Preparation method for black bamboo salt Download PDF

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Publication number
CN104783125A
CN104783125A CN201510232126.6A CN201510232126A CN104783125A CN 104783125 A CN104783125 A CN 104783125A CN 201510232126 A CN201510232126 A CN 201510232126A CN 104783125 A CN104783125 A CN 104783125A
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salt
preparation
bamboo
kiln
black
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CN104783125B (en
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张建民
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Zhang Jianmin
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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

A kind of preparation method of black bamboo salt
Technical field
The present invention relates to bamboo salt processing technique field, in particular to a kind of preparation method of black bamboo salt.
Background technology
Black bamboo salt is with a long history, with bamboo with salt is fired or baking is prepared from.Black bamboo salt effect is given prominence to, and can promote saliva and gastric secretion, help digest organ and fully digest diet; Stool in intestines can be removed by feat of powerful power of impregnation and osmotic pressure, enter the various body fluid of whole body such as saliva, gastric juice, blood, lymph liquid, bile, urine, toxin is excreted; Powerful solution virulence and the comprehensive function of sterilizing power, can diminish inflammation; Black bamboo salt is basic food, can accomplish effectively, directly to improve to acidic constitution; Containing crude sulfur, rosin composition in black bamboo salt, they can remove heavy metal effectively; Black bamboo salt is good beauty treatment, diet food.Containing selenium in black bamboo salt, its direct purged body endoperoxides phat fat, regulates the balance of body fluid, promotes that the activity of cell is more active.Add anti-inflammatory that black bamboo salt originally has, sterilization, infiltration, except disliking the effects such as raw new, removing toxic substances, toxin expelling, clean blood, just making it improving looks, having beyond thought miraculous effects in fat-reducing.
At present, existing bamboo salt production method controls existing defects due to temperature, and in bamboo salt, some harmful substance cannot be purified, thus the bamboo salt obtained is grey bamboo salt instead of black bamboo salt, and economic worth does not have black bamboo salt high yet.
In view of this, special proposition the present invention.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of black bamboo salt, by the mode of electrolysis, can, by heavy metal ion adsorbed for these in liquid salt on electrode, black bamboo salt be purified further.The liquid purity salt flowed out in electrolytic cell reaches black bamboo salt standard.
In order to realize above-mentioned purpose of the present invention, spy by the following technical solutions:
A preparation method for black bamboo salt, comprises the steps:
Be filled to by salt in thick bamboo tube, rear yellow mud sealing, puts into kiln and is fired into liquid salt; Liquid bamboo salt is flowed in electrolytic cell and carries out electrolysis, collect the liquid salt flowed out in electrolytic cell and be cooled to less than 40 DEG C.
Black bamboo salt production process provided by the invention, puts into the sealing of thick bamboo tube yellow mud and fires by salt.In sintering procedure, the bamboo juice be secreted in thick bamboo tube fully mixes with salt, and the bamboo ash formed after the abundant ashing of thick bamboo tube fully mixes with salt, increases the content of the trace element in bamboo salt.Bamboo salt is fired into liquid salt and can removes volatile nuisance in this course.And for the heavy metal ion not easily removed, because the oxidisability of heavy metal ion is all higher than sodium ion, by the mode of electrolysis, can, by heavy metal ion adsorbed for these in liquid salt on electrode, black bamboo salt be purified further.The liquid purity salt flowed out in electrolytic cell reaches black bamboo salt standard.
Liquid bamboo salt flows through electrolytic cell and carries out electrolysis, and preferably, electrolysis temperature is 1200 ~ 1300 DEG C, can maintain the liquid fluidity of bamboo salt, and when temperature is too high, bamboo salt easily seethes with excitement, and productive rate reduces greatly; In electrolytic process, the DC voltage of input is 380 ~ 550V, can ensure higher electrolytic efficiency; Electrolysis time is 20 ~ 30 minutes, effectively can remove the heavy metal element in bamboo salt, but contents of heavy metal elements in bamboo salt is well below the content of sodium, and when electrolysis time is longer, easy precipitating metal sodium, reduces the productive rate of black bamboo salt.
Preferably, fire described in and specifically comprise: furnace heating-up to 300 ~ 320 DEG C are fired 2 ~ 2.5 hours; Continue to be warming up to 500 ~ 530 DEG C and fire 1 ~ 2 hour; Be warming up to 800 ~ 850 DEG C again and fire 0.5 ~ 1 hour; Finally, be warming up to 1200 ~ 1300 DEG C and fire 0.5 ~ 1 hour.Heated up by four-part form and fire, kiln can be avoided to cause slight crack owing to heating up too fast.Meanwhile, the black bamboo salt of higher quality can also be formed.
Preferably, described heating rate is 300 ~ 350 DEG C/h.
Preferably, ventilate in described sintering procedure logical oxygen.In sintering procedure, a part of volatile harmful components form gas, and ventilation by these harmful components device for transferring, can be separated with bamboo salt, avoid the pollution to black bamboo salt.And in order to ensure Thorough combustion, in sintering procedure, logical oxygen is carried out to kiln, ensure that thick bamboo tube fully ashing can form bamboo ash, avoids thick bamboo tube to carbonize.
Preferably, described thick bamboo tube takes from growth year 3 years and above bamboo, and this kind of bamboo is nutritious, and amino acid, trace element, polysaccharide isoreactivity component content are higher.
Thick bamboo tube length in order to fill salt also affects to some extent on the quality of black bamboo salt, preferably, the length of described thick bamboo tube is 30 ~ 40 centimetres, can ensure that salt is heated evenly in sintering procedure, can not cause because a large amount of salt is deposited in together and be heated uneven, affect the quality of black bamboo salt.
Seal the impurity contained in loess used fewer, the impurity content be mixed in black bamboo salt is then lower, and preferably, the loess of 10 meters, described yellow mud underground is prepared from, and its cleaning is pollution-free, and the content of beary metal being especially difficult to get rid of is few.
Preferably, described kiln is electric capacity corundum kiln.Electric capacity corundum makees kiln and can bear high temperature and make bamboo purity salt can reach black bamboo salt standard, and electric capacity corundum is compared with other materials simultaneously, not easily introduces impurity, decreases the pollution to black bamboo salt.
Preferably, ultramicro powder black bamboo salt being ground into more than 2000 orders is also comprised the steps:.
Black bamboo salt is ground into the ultramicro powder of more than 2000 orders, now black bamboo salt has extremely strong penetrating power, in use or edible process, and can its effect of fast onset.
Compared with prior art, beneficial effect of the present invention is:
(1) black bamboo salt production process provided by the invention, puts into the sealing of thick bamboo tube yellow mud and fires by salt.In sintering procedure, the bamboo juice be secreted in thick bamboo tube fully mixes with salt, and the bamboo ash formed after the abundant ashing of thick bamboo tube fully mixes with salt, increases the content of the trace element in bamboo salt.Bamboo salt is fired into liquid salt and can removes volatile nuisance in this course.And for the heavy metal ion not easily removed, because the oxidisability of heavy metal ion is all higher than sodium ion, by the mode of electrolysis, can, by heavy metal ion adsorbed for these in liquid salt on electrode, black bamboo salt be purified further.The liquid purity salt flowed out in electrolytic cell reaches black bamboo salt standard.
(2) in the present invention, electrolysis temperature is 1200 ~ 1300 DEG C, can maintain the liquid fluidity of bamboo salt, and when temperature is too high, bamboo salt easily seethes with excitement, and productive rate reduces greatly; In electrolytic process, the DC voltage of input is 380 ~ 550V, can ensure higher electrolytic efficiency; Electrolysis time is 20 ~ 30 minutes, effectively can remove the heavy metal element in bamboo salt, but contents of heavy metal elements in bamboo salt is well below the content of sodium, and when electrolysis time is longer, easy precipitating metal sodium, reduces the productive rate of black bamboo salt.
(3), in the present invention, ventilate in described sintering procedure logical oxygen.In sintering procedure, a part of volatile harmful components form gas, and ventilation by these harmful components device for transferring, can be separated with bamboo salt, avoid the pollution to black bamboo salt.And in order to ensure Thorough combustion, in sintering procedure, logical oxygen is carried out to kiln, ensure that thick bamboo tube fully ashing can form bamboo ash, avoids thick bamboo tube to carbonize.
(4) in the present invention, seal the impurity contained in loess used fewer, the impurity content be mixed in black bamboo salt is then lower, preferably, the loess of 10 meters, described yellow mud underground is prepared from, and its cleaning is pollution-free, and the content of beary metal being especially difficult to get rid of is few.
(5), in the present invention, described kiln is electric capacity corundum kiln.Electric capacity corundum makees kiln and can bear high temperature and make bamboo purity salt can reach black bamboo salt standard, and electric capacity corundum is compared with other materials simultaneously, not easily introduces impurity, decreases the pollution to black bamboo salt.
(6) in the present invention, black bamboo salt is ground into the ultramicro powder of more than 2000 orders, now black bamboo salt has extremely strong penetrating power, in use or edible process, and can its effect of fast onset.
Detailed description of the invention
Below in conjunction with embodiment, embodiment of the present invention are described in detail, but it will be understood to those of skill in the art that the following example only for illustration of the present invention, and should not be considered as limiting the scope of the invention.Unreceipted actual conditions person in embodiment, the condition of conveniently conditioned disjunction manufacturer suggestion is carried out.Agents useful for same or the unreceipted production firm person of instrument, be and can buy by commercially available the conventional products obtained.
Embodiment 1
Get steel bamboo and be cut into single-unit thick bamboo tube, clean with clear water, loaded by salt in the thick bamboo tube cut after drying, salt is only filled to 1 centimeter, thick bamboo tube wall top.Thick bamboo tube top is evenly applied to, the one centimeter of thickness sealing of yellow mud layer by with the yellow mud made.Sealing thick bamboo tube becomes intersection to be arranged in kiln, ensures Thorough combustion in kiln.When kiln in-furnace temperature reaches 300 DEG C, maintain this constant temperature and fire 2.5 hours.Then kiln in-furnace temperature is increased to 500 DEG C, maintains this constant temperature and fire 2 hours.Then kiln in-furnace temperature is brought up to 800 DEG C again, maintain this constant temperature and fire 1 hour.Finally, the temperature in kiln is increased to 1200 DEG C, continues at this temperature to fire 1 hour.
After firing end, open kiln switch, the liquid salt be fired into is flowed in high temperature electrolyser and carries out electrolysis.The temperature of electrolytic cell controls to be 1200 DEG C, by the DC voltage of direct current feed system input 380V.Liquid bamboo salt, after 30 minutes, is flowed into cooling bay and is cooled to less than 40 DEG C, namely obtain black bamboo salt by electrolysis.
Embodiment 2
Get the firm bamboo that growth period is 3 years, be cut into single-unit thick bamboo tube, clean with clear water, loaded by salt in the thick bamboo tube cut after drying, salt is only filled to 1 centimeter, thick bamboo tube wall top.
Get the dark loess in 10 meters, underground and become yellow mud, it is evenly applied to thick bamboo tube top, the one centimeter of thickness sealing of yellow mud layer.Sealing thick bamboo tube becomes intersection to be arranged in electric capacity corundum kiln, and arranging heating rate is the temperature that 300 DEG C/h raises in kiln gradually, opens ventilation and logical oxygen in sintering procedure.When kiln in-furnace temperature reaches 320 DEG C, maintain this constant temperature and fire 2 hours.Then kiln in-furnace temperature is increased to 530 DEG C, maintains this constant temperature and fire 1 hour.Then kiln in-furnace temperature is brought up to 850 DEG C again, maintain this constant temperature and fire 30 minutes.Finally, the temperature in kiln is increased to 1300 DEG C, continues at this temperature to fire 30 minutes.
After firing end, open kiln switch, the liquid salt be fired into is flowed in high temperature electrolyser and carries out electrolysis.The temperature of electrolytic cell controls to be 1200 DEG C, by the DC voltage of direct current feed system input 380V.Liquid bamboo salt, after 20 minutes, is flowed into cooling bay and is cooled to less than 40 DEG C, namely obtain black bamboo salt by electrolysis.
Embodiment 3
Get the firm bamboo that growth period is 3 years, the leaf of bamboo, bamboo branch etc. are removed clean, be cut into single-unit thick bamboo tube.The length of unified thick bamboo tube is 30 ~ 40 centimetres, and length is lower than 30 centimetres or higher than 40 centimetres give up.Cleaned by the thick bamboo tube elected with clear water, loaded by salt in the thick bamboo tube cut after drying, salt is only filled to 1 centimeter, thick bamboo tube wall top.
Get the dark loess in 10 meters, underground and become yellow mud, it is evenly applied to thick bamboo tube top, the one centimeter of thickness sealing of yellow mud layer.Sealing thick bamboo tube becomes intersection to be arranged in electric capacity corundum kiln, and arranging heating rate is the temperature that 500 DEG C/h raises in kiln gradually, opens ventilation and logical oxygen in sintering procedure.When kiln in-furnace temperature reaches 300 DEG C, maintain this constant temperature and fire 2 hours.Then kiln in-furnace temperature is increased to 500 DEG C, maintains this constant temperature and fire 2 hours.Then kiln in-furnace temperature is brought up to 850 DEG C again, maintain this constant temperature and fire 30 minutes.Finally, the temperature in kiln is increased to 1300 DEG C, continues at this temperature to fire 30 minutes.
After firing end, open kiln switch, the liquid salt be fired into is flowed in high temperature electrolyser and carries out electrolysis.The temperature of electrolytic cell controls to be 1200 DEG C, by the DC voltage of direct current feed system input 380V.Liquid bamboo salt, after 20 minutes, is flowed into cooling bay and is cooled to less than 40 DEG C by electrolysis.Putting into disintegrating apparatus by cooling the block black bamboo salt obtained, being ground into 2600 orders and obtaining black bamboo salt ultramicro powder.
Embodiment 4
Get the firm bamboo that growth period is 3 years, the leaf of bamboo, bamboo branch etc. are removed clean, be cut into single-unit thick bamboo tube.The length of unified thick bamboo tube is 30 ~ 40 centimetres, and length is lower than 30 centimetres or higher than 40 centimetres give up.Cleaned by the thick bamboo tube elected with clear water, loaded by salt in the thick bamboo tube cut after drying, salt is only filled to 1 centimeter, thick bamboo tube wall top.
Get the dark loess in 10 meters, underground and become yellow mud, it is evenly applied to thick bamboo tube top, the one centimeter of thickness sealing of yellow mud layer.Sealing thick bamboo tube become intersection to be arranged in high temperature resistant earth kiln stove, open ventilation and logical oxygen fire.When kiln in-furnace temperature reaches 300 DEG C, maintain this constant temperature and fire 2 hours.Then kiln in-furnace temperature is increased to 500 DEG C, maintains this constant temperature and fire 2 hours.Then kiln in-furnace temperature is brought up to 850 DEG C again, maintain this constant temperature and fire 30 minutes.
Now, in kiln thick bamboo tube Thorough combustion become ash.The cooling of kiln inner salt rod being taken out and being reentered into length after blending is in the thick bamboo tube of 30 ~ 40 centimetres, is evenly applied to thick bamboo tube top, the one centimeter of thickness sealing of yellow mud layer with described yellow mud.Then thick bamboo tube is transferred to electric capacity corundum kiln, the temperature in kiln is increased to 1300 DEG C, heating rate controls at 500 DEG C/h.When the temperature in kiln reaches 1300 DEG C, continue at this temperature to fire 30 minutes.Keep ventilating in the sintering procedure of electric capacity corundum kiln, ensure to get rid of harmful substance at any time.
After firing end, open kiln switch, the liquid salt be fired into is flowed in high temperature electrolyser and carries out electrolysis.The temperature of electrolytic cell controls to be 1200 DEG C, by the DC voltage of direct current feed system input 380V.Liquid bamboo salt, after 20 minutes, is flowed into cooling bay and is cooled to less than 40 DEG C by electrolysis.Putting into disintegrating apparatus by cooling the block black bamboo salt obtained, being ground into 2600 orders and obtaining black bamboo salt ultramicro powder.
Experimental example 1
Prepare bamboo salt in prior art just by high-temperature calcination, the bamboo salt color prepared presents canescence, instead of purple, can not be referred to as black bamboo salt.In order to the technique effect of the present patent application is described better, contrast test is adopted to be described below.
Comparative example 1:
Choose 3 years fresh bamboos of life, be cut into thick bamboo tube according to ring, clean dry rear stand-by.
Getting commercially available sea salt adds in thick bamboo tube, and added sea salt accounts for 4/5 of thick bamboo tube height, and then with yellow mud sealing, the thickness of yellow mud layer is 1 centimeter.Then thick bamboo tube is put into baker, toast 9 hours at 1200 DEG C.Then close baker, treat its Temperature fall.
Taken out by cooled salt, remove outside bamboo carbonization residue, carried out by salt pulverizing with yellow mud sealing in the new thick bamboo tube of rear loading, the thickness of yellow mud layer is 1 centimeter.Then thick bamboo tube is put into baker, toast 9 hours at 1200 DEG C.Then close baker, treat its Temperature fall, obtain bamboo salt finished product.
Contrasted by bamboo salt obtained in bamboo salt obtained in comparative example 1 and embodiment 1 ~ 4, detect the content of wherein heavy metal, its testing result is as shown in table 1.
Table 1 detection of heavy metal ion Comparative result
From the testing result of table 1, because Hg fusing point is lower, so all volatilize in high temperature cooking process, therefore in comparative example and embodiment, Hg ion all fails to detect.But higher for these boiling points of As, Pb, Cu, Cd, Cr, the heavy metal that the boiling point of its salt and oxide is also higher is all right, there is marked difference in the content in comparative example and embodiment.As can be seen from result, the present patent application can prepare the satisfactory black bamboo salt of purity.
Experimental example 2
Black bamboo salt effect prepared by the present invention is given prominence to, and can promote saliva and gastric secretion, help digest organ and fully digest diet; Stool in intestines can be removed by feat of powerful power of impregnation and osmotic pressure, enter the various body fluid of whole body such as saliva, gastric juice, blood, lymph liquid, bile, urine, toxin is excreted; Powerful solution virulence and the comprehensive function of sterilizing power, can diminish inflammation; Black bamboo salt is basic food, can accomplish effectively, directly to improve to acidic constitution; Containing crude sulfur, rosin composition in black bamboo salt, they can remove heavy metal effectively; Black bamboo salt is good beauty treatment, diet food.Containing selenium in black bamboo salt, its direct purged body endoperoxides phat fat, regulates the balance of body fluid, promotes that the activity of cell is more active.Add anti-inflammatory that black bamboo salt originally has, sterilization, infiltration, except disliking the effects such as raw new, removing toxic substances, toxin expelling, clean blood, just making it improving looks, having beyond thought miraculous effects in fat-reducing.
Typical treatment case is as follows:
Mrs Wang, 35 years old.Suffer from seasonal enterogastritis for many years, fail to cure always.The intestinal lavage of rear use black bamboo salt was cured after 1 course for the treatment of.Concrete method comprises: dissolve 15 grams of black bamboo salt ultramicro powders with 1000ml mineral water, and getting up early finished off on an empty stomach in 20 minutes; Stand after finishing off and pace back and forth, then drinking mineral water, till can not drinking any more simultaneously.After defecation about 3 ~ 4 times, intestinal lavage terminates within an hour.Once a day, treatment is a course for the treatment of for three days on end.After intestinal lavage, diet needs light, avoids greasy maror.
Mrs Zhao, 41 years old.Self-produced future trouble constipation, cures for over ten years in many ways, traditional Chinese medical science doctor trained in Western medicine, square folk prescription, and even the physical therapy of abdomen scraped by scraper plate, all without large effect, usually by constipation hardship.After the intestinal lavage of black bamboo salt, drain smooth and easy at once.Adhere to again first quarter moon intestinal lavage once after treating a course for the treatment of, after 3 months, constipation is cured, and complexion is also good.
Mrs Wang, 63 years old, benign lymphoma.Every day is containing taking 3 grams of black bamboo salt ultramicro powders, each 0.3 gram, every day 10 times; Take 3 days continuously.After bring into use the continuous intestinal lavage of black bamboo salt ultramicro powder 2 days.After then take 10 grams of black bamboo salt ultramicro powders every day, instructions of taking is the same.Continuous treatment after 1 month lymthoma diminish, blood indices, normal.
Mr. Kong, 37 years old.Rhinitis 10 years, winter, paper was not from hand, uses black bamboo salt collunarium, after ten days, be clearly better, and no longer needs paper handkerchief to wipe nose.
Mrs Huang, 65 years old.Before use black bamboo salt, frequent constipation, have a hunch and have a surplus just, belly is vexed swollen after an action of the bowels, and it is shapeless to defecate.Sticky basin.Because in body, moisture is heavier, get up early morning and just have murky sense, uncomfortable from head to foot, face, hand, has heavier color spot.Through looking into, have the symptoms such as blood is sticky, slight Hypertension, have employed multiple way, take traditional Chinese medicine, dietotherapy, plurality kinds of health care product etc., effect is all not too obvious.After bring into use black bamboo salt to treat.First be continuous intestinal lavage three days, rear every first quarter moon is washed once, waters down black bamboo salt solution every day period when beverage to drink, and basic consumption every day is at 3 ~ 5 grams.Now, stool is normal, once a day.Feel after having gone up that belly is very light.On the face, on hand, color spot is obviously desalinated.Blood pressure is tending towards normal, has relaxation from head to foot.
Mrs Wang, 58 years old.Stomach is got along well, and gasteremphraxis, face is yellowish-white, without color, weak all over, has color spot on hand on the face.Fear cold food cold drink, the food of wrecked digestion, often can vomit, and do acid with stomach, implication is unpleasant.Long-term Chinese medicine conditioning effect is not good.Mood is unhappy.After taking black bamboo salt before one and a half months, gasteremphraxis, makes sour symptom and slowly disappears, present good appetite, dare food raw food, face starts general red, and color spot is desalinated, and with it energetically, mood also turns better.
Mrs Yu, 36 years old.Monthly suffer from abdominal pain unbearably before official holiday, common analgesics pain relieving, and also amount is few, puce, and not on time, face is unglazed, color spot, plays acne, lassitude, weak all over.Traditional Chinese and western medicine has all been seen, and does not have any effect.When using black bamboo salt after two months, miracle has occurred.The last time official holiday, basic no pain, face starts rubescent, glossy, small pox without, color spot is also shallow a lot, and mental status takes a turn for the better.Colleagues think what cosmetics of super quality she has used.
Although illustrate and describe the present invention with specific embodiment, however it will be appreciated that can to make when not deviating from the spirit and scope of the present invention many other change and amendment.Therefore, this means to comprise all such changes and modifications belonged in the scope of the invention in the following claims.

Claims (10)

1. a preparation method for black bamboo salt, is characterized in that, comprises the steps:
Be filled to by salt in thick bamboo tube, rear yellow mud sealing, puts into kiln and is fired into liquid salt; Liquid bamboo salt is flowed in electrolytic cell and carries out electrolysis, collect the liquid salt flowed out in electrolytic cell and be cooled to less than 40 DEG C.
2. preparation method according to claim 1, is characterized in that, the temperature of described electrolysis is 1200 ~ 1300 DEG C, and voltage is 380 ~ 550V, and electrolysis time is 20 ~ 30 minutes.
3. preparation method according to claim 1, is characterized in that, described in fire and specifically comprise:
Furnace heating-up to 300 ~ 320 DEG C are fired 2 ~ 2.5 hours; Continue to be warming up to 500 ~ 530 DEG C and fire 1 ~ 2 hour; Be warming up to 800 ~ 850 DEG C again and fire 0.5 ~ 1 hour; Finally, be warming up to 1200 ~ 1300 DEG C and fire 0.5 ~ 1 hour.
4. preparation method according to claim 3, is characterized in that, described heating rate is 300 ~ 350 DEG C/h.
5. preparation method according to claim 1, is characterized in that, ventilate in described sintering procedure logical oxygen.
6. preparation method according to claim 1, is characterized in that, described thick bamboo tube takes from growth year 3 years and above bamboo.
7. preparation method according to claim 6, is characterized in that, the length of described thick bamboo tube is 30 ~ 40 centimetres.
8. preparation method according to claim 1, is characterized in that, the loess of 10 meters, described yellow mud underground is prepared from.
9. preparation method according to claim 1, is characterized in that, described kiln is electric capacity corundum kiln.
10. preparation method according to claim 1, is characterized in that, also comprises the steps: ultramicro powder black bamboo salt being ground into more than 2000 orders.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105326010A (en) * 2015-10-29 2016-02-17 天津科技大学 Preparation method of bamboo salt
CN109730296A (en) * 2019-03-08 2019-05-10 徐丽春 Preparation method of purple bamboo salt

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CN1244355A (en) * 1999-06-15 2000-02-16 金明官 Roasting, smelting and smoking process to prepare bamboo salt
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105326010A (en) * 2015-10-29 2016-02-17 天津科技大学 Preparation method of bamboo salt
CN109730296A (en) * 2019-03-08 2019-05-10 徐丽春 Preparation method of purple bamboo salt
CN109730296B (en) * 2019-03-08 2022-05-06 徐丽春 Preparation method of purple bamboo salt

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