CN105166842A - Preparation method of deep-well alkalescent table salt - Google Patents
Preparation method of deep-well alkalescent table salt Download PDFInfo
- Publication number
- CN105166842A CN105166842A CN201510540470.1A CN201510540470A CN105166842A CN 105166842 A CN105166842 A CN 105166842A CN 201510540470 A CN201510540470 A CN 201510540470A CN 105166842 A CN105166842 A CN 105166842A
- Authority
- CN
- China
- Prior art keywords
- sodium carbonate
- bittern
- alkalescent
- value
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 235000002639 sodium chloride Nutrition 0.000 title claims abstract description 35
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title claims abstract description 26
- 239000011780 sodium chloride Substances 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 50
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000000243 solution Substances 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 238000005553 drilling Methods 0.000 claims abstract description 4
- 241001131796 Botaurus stellaris Species 0.000 claims description 27
- 150000003839 salts Chemical class 0.000 claims description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 13
- 239000011259 mixed solution Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 238000005065 mining Methods 0.000 claims description 3
- 239000000276 potassium ferrocyanide Substances 0.000 claims description 3
- 239000001230 potassium iodate Substances 0.000 claims description 3
- 235000006666 potassium iodate Nutrition 0.000 claims description 3
- JLKDVMWYMMLWTI-UHFFFAOYSA-M potassium iodate Chemical compound [K+].[O-]I(=O)=O JLKDVMWYMMLWTI-UHFFFAOYSA-M 0.000 claims description 3
- 229940093930 potassium iodate Drugs 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- XOGGUFAVLNCTRS-UHFFFAOYSA-N tetrapotassium;iron(2+);hexacyanide Chemical compound [K+].[K+].[K+].[K+].[Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] XOGGUFAVLNCTRS-UHFFFAOYSA-N 0.000 claims description 3
- 238000007738 vacuum evaporation Methods 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000012267 brine Substances 0.000 abstract description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 abstract description 3
- 239000000654 additive Substances 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 230000000996 additive effect Effects 0.000 abstract 1
- 239000010442 halite Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- HAYXDMNJJFVXCI-UHFFFAOYSA-N arsenic(5+) Chemical compound [As+5] HAYXDMNJJFVXCI-UHFFFAOYSA-N 0.000 description 1
- 229910001422 barium ion Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- RVPVRDXYQKGNMQ-UHFFFAOYSA-N lead(2+) Chemical compound [Pb+2] RVPVRDXYQKGNMQ-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Landscapes
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Seasonings (AREA)
Abstract
The invention relates to a preparation method of deep-well alkalescent table salt and belongs to the technical field of food. The preparation method of deep-well alkalescent table salt comprises the following steps: (1) collecting halite from deeper than 1000-meter underground, extracting saturated sodium chloride solution by drilling solution, then filtrating and entering into the reaction pool No. 3; (2) adding steam condensate, whose temperature is 40 DEGC-60 DEG C and PH value is 7-9, into sodium carbonate solution mixing tank No. 1 or sodium carbonate solution mixing tank No. 2, mixing by the first mixer 12 or the second mixer 13 for 30 minutes, and melting food-grade sodium carbonate into sodium carbonate solution whose PH value is 12-14. According to the preparation method of deep-well alkalescent table salt, brine is firstly treated by the food-grade additive two-base method and then filtrated and deposited by the three-stage overflow method, so that PH value of the treated brine is up to 8-10; the preparation method has low total operating cost, high sodium chloride purity and overall alkalescence.
Description
Technical field
The present invention relates to the preparation method of deep-well alkalescent edible salt, belong to food technology field.
Background technology
The rock salt of underground is after hydrolysis, impurity is many, and containing the calcium ion be detrimental to health, sulfate ion, magnesium ion and lead ion, fluorine ion, arsenic ion, barium ions etc., long-term eating can affect the healthy of people, the more important thing is that the edible salt produced at present is mostly faintly acid, easily stomach is produced and stimulate.The brine treatment method of current domestic employing mainly contains flue gas bittern purifying method and two alkaline process process bittern, flue gas bittern purifying method needs to make an investment of 50 million yuan to 8,000 ten thousand yuan, bittern after process contains flue dust, and ton salt cost increases about 30 yuan, and two alkaline process process bittern, need investment 4,000 ten thousand yuan to 6,000 ten thousand yuan, ton salt cost increases about 30 yuan.
Summary of the invention
The object of the invention is to the weak point solving the existence of above-mentioned prior art, the preparation method that a kind of technique is simple, sodium chloride purity is high, water-solubility impurity is the deep-well alkalescent edible salt of zero is provided.
The present invention is achieved by the following technical solutions:
The preparation method of deep-well alkalescent edible salt, its special character is to comprise the following steps:
(1) locality descend the rock salt that more than 1000 meter dark, by the sodium chloride solution that drilling solution mining is saturated, after filtering, enter into 3. # reaction tank;
(2) it is 40 DEG C-60 DEG C by temperature, the steam condensate (SC) of pH value 7-9 joins 1. # sodium carbonate liquor agitator tank or 2. in # sodium carbonate liquor agitator tank, stir 30 minutes with the first agitator 12 or the second agitator 13, the sodium carbonate of food-grade is melted for pH value is the sodium carbonate liquor of 12-14;
(3) with vavuum pump, the sodium carbonate liquor that pH value is 12-14 is transported to 3. in # reaction tank;
(4) be that the food-grade sodium hydroxide solution of 32 ﹪ is transported to 3. in # reaction tank simultaneously by concentration;
(5) with the 3rd agitator 14, saturated nacl aqueous solution, sodium carbonate liquor and the sodium hydroxide solution in 3. # reaction tank is stirred;
(6) the bittern mixed solution formed after stirring, enter into 4. # filtering ponds to carry out reacting and filtering, bittern mixed solution overflows to 5. # settling tank naturally subsequently, after 5. # settling tank filters, overflow to 6. # settling tank again to filter, bittern after filtration overflows in bittern deposit pond 19, and the bittern pH value 8-10 after process, as the raw material of vacuum salt production;
(7) bittern after process through vacuum evaporation, discharge, centrifugal after, add Potassiumiodate, after potassium ferrocyanide, drying is refining form deep-well alkalescent edible salt.
The preparation method of deep-well alkalescent edible salt of the present invention, first adopt food grade additives two alkaline process process bittern, the method of three grades of overflows is adopted to carry out filtration sedimentation again, only need to transform a little on the basis of existing bittern storage pool, add three natural overflow devices, utilize fully reaction, the bittern pH value after processing is made to reach 8-10, overall operation cost is low, the equipment that unnecessary input is a large amount of, the physical and chemical index of the edible salt of preparation is in rated range, sodium chloride purity is high, reach 99.10 more than ﹪, water-insoluble, water-solubility impurity is zero, water-soluble sodium chloride solution pH value is 7-9, entirety manifests alkalescent, having filled up edible salt is weakly acidic blank, accomplish that alkaline vacuum is produced, protect Ti equipment, and possess the ability of large-scale production.
Accompanying drawing explanation
Fig. 1: preparation method's process chart of deep-well alkalescent edible salt of the present invention;
In figure: 1, 1. # sodium carbonate liquor agitator tank, 2, 2. # sodium carbonate liquor agitator tank, 3, 3. # reaction tank, 4, 4. # filtering ponds, 5, 5. # settling tank, 6, 6. # settling tank, 7-8, steam condensate (SC) enters sodium carbonate liquor agitator tank schematic circuit diagram, 9, sodium hydroxide solution enters 3. # reaction tank schematic circuit diagram, 10, sodium carbonate liquor enters 3. # reaction tank schematic circuit diagram, 11, saturated sodium chloride solution enters 3. # reaction tank schematic circuit diagram, 12, first agitator, 13, second agitator, 14, 3rd agitator, 15, one-level overflow, 16, secondary overflow, 17, three grades of overflows, 18, overflow again, 19, bittern deposit pond.
Detailed description of the invention
Provide the specific embodiment of the present invention below with reference to accompanying drawing, be used for being described in further detail formation of the present invention.
The preparation method of the phreatic water salt of the present embodiment, comprises the following steps:
(1) locality descending the rock salt that more than 1000 meter dark, by the sodium chloride solution that drilling solution mining is saturated, after filtering, is 180m with per hour
3flow enter into 3. # reaction tank;
(2) 1. # sodium carbonate liquor agitator tank volume is 14m
3, adding sodium carbonate 960kg, is 40 DEG C-60 DEG C by temperature, and the steam condensate (SC) of pH value 7-9 melts, and after melting, the pH value of sodium carbonate liquor is 14, and 2. # sodium carbonate liquor agitator tank is slack tank;
(3) with 1.75m per hour
3flow the sodium carbonate liquor prepared is joined 3. # reaction tank;
(4) by concentration be the food-grade sodium hydroxide solution of 32 ﹪, join 3. in # reaction tank with the amount of 0.8kg per minute;
(5) with the 3rd agitator 14, the material joined in 3. # reaction tank is stirred;
(6) reacted bittern mixed liquor overflows to 4. # filtering ponds, 5. # settling tank and 6. # settling tank naturally, and the bittern after filtration, through 6. # settling tank, overflows to bittern deposit pond, the bittern pH value 8-10 after process; Sediment filter press extrudes, and the calcium sulfate after extruding dries, and is recycled by building materials industry, and the bittern squeezed out returns settling tank again.
(7) bittern after process through vacuum evaporation, discharge, centrifugal after, add Potassiumiodate, after potassium ferrocyanide, drying is refining form deep-well alkalescent edible salt.
Deep-well alkalescent edible salt prepared by the present invention, physical and chemical index is as follows:
The unspecified content of the present invention is prior art, and those skilled in the art can obtain inspiration from the present embodiment and prior art, carries out distortion and obtains other embodiment.Therefore, protection scope of the present invention should be determined according to the protection domain of claim.
Claims (1)
1. the preparation method of deep-well alkalescent edible salt, is characterized in that comprising the following steps:
(1) locality descend the rock salt that more than 1000 meter dark, by the sodium chloride solution that drilling solution mining is saturated, after filtering, enter into 3. # reaction tank;
(2) it is 40 DEG C-60 DEG C by temperature, the steam condensate (SC) of pH value 7-9 joins 1. # sodium carbonate liquor agitator tank or 2. in # sodium carbonate liquor agitator tank, stir 30 minutes with the first agitator (12) or the second agitator (13), the sodium carbonate of food-grade is melted for pH value is the sodium carbonate liquor of 12-14;
(3) with vavuum pump, the sodium carbonate liquor that pH value is 12-14 is transported to 3. in # reaction tank;
(4) be that the food-grade sodium hydroxide solution of 32 ﹪ is transported to 3. in # reaction tank simultaneously by concentration;
(5) with the 3rd agitator (14), saturated nacl aqueous solution, sodium carbonate liquor and the sodium hydroxide solution in 3. # reaction tank is stirred;
(6) the bittern mixed solution formed after stirring, enter into 4. # filtering ponds to carry out reacting and filtering, bittern mixed solution overflows to 5. # settling tank naturally subsequently, after 5. # settling tank filters, overflow to 6. # settling tank again to filter, bittern after filtration overflows in bittern deposit pond (19), and the bittern pH value 8-10 after process, as the raw material of vacuum salt production;
(7) bittern after process through vacuum evaporation, discharge, centrifugal after, add Potassiumiodate, after potassium ferrocyanide, drying is refining form deep-well alkalescent edible salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510540470.1A CN105166842B (en) | 2015-08-28 | 2015-08-28 | The preparation method of deep-well alkalescent edible salt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510540470.1A CN105166842B (en) | 2015-08-28 | 2015-08-28 | The preparation method of deep-well alkalescent edible salt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105166842A true CN105166842A (en) | 2015-12-23 |
| CN105166842B CN105166842B (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510540470.1A Active CN105166842B (en) | 2015-08-28 | 2015-08-28 | The preparation method of deep-well alkalescent edible salt |
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| Country | Link |
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| CN (1) | CN105166842B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114573004A (en) * | 2022-03-23 | 2022-06-03 | 河南平煤神马天泰盐业有限公司 | Production process of additive-free small-particle salt |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107865386A (en) * | 2017-12-12 | 2018-04-03 | 浙江开点电子商务有限公司 | A kind of alkalescent edible soy sauce and preparation method thereof |
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2015
- 2015-08-28 CN CN201510540470.1A patent/CN105166842B/en active Active
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| KR20100074885A (en) * | 2008-12-24 | 2010-07-02 | 양대윤 | Method for manufacturing alkali calcium cleaning salts |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105166842B (en) | 2017-09-22 |
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