CN102396696A - Method for preparing refined natural nutrient salt - Google Patents
Method for preparing refined natural nutrient salt Download PDFInfo
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- CN102396696A CN102396696A CN201010282358XA CN201010282358A CN102396696A CN 102396696 A CN102396696 A CN 102396696A CN 201010282358X A CN201010282358X A CN 201010282358XA CN 201010282358 A CN201010282358 A CN 201010282358A CN 102396696 A CN102396696 A CN 102396696A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
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Abstract
The invention provides a method for preparing refined natural nutrient salt, which comprises the following steps: preheating and evaporating; separating and backflowing; secondary crystallizing, drying and sieving. According to the invention, seawater is taken as a raw material which is cheap, no raw material competitions with other manufacturers is generated. The secondary crystallization theory is used so that the crystallization speed is fast and the output is raised. The process of the invention keeps macronutrients in natural seawater and contains trace elements like calcium, magnesium, potassium, iron, copper and zinc which are good to human body, the output multi-element crystals make a contribution for raising the health level of human body, and have high social benefit. During the production process, a lot of magnesium ions are contained in brine all along, salt scale on a heating pipe is loosening and easy to treat without production stop for removing a scale layer of the heating pipe. The product of the invention is a good flavouring, and a nutriment and fresh-keeping product with cheap price.
Description
Technical field
The present invention relates to the preparation method of food or foodstuff, particularly a kind of method for making of the refined natural nutritive salt as flavouring.
Background technology
Now domestic edible purified salt all is to be raw material with sea salt or rock salt, and adopt following processing method to process: first water dissolving sea salt or rock salt are processed salt solution, below are called bittern, remove silt etc. again through sand filter.Arrive evaporimeter through preheater then, feed evaporimeter with superheated vapour, the heating saturated bittern is separated out the sodium chloride crystallization, makes macrogranule salt only contain a spot of calcium, magnesium, potassium etc. and removes with impurity.Through centrifuge venting bittern, drying is made the refined salt finished product more again.In addition macrogranule salt is shone on the beach and send into washer again through pulverizing; Water washes or handles with chemical method; The few in the past nutrition metal ion that it is enough of further deliming, magnesium, potassium, iron, copper, zinc geometric ratio; Use centrifuge venting bittern again, the wet salt that obtains is sent into the drier drying, promptly makes the edible salt of sodium chloride-containing more than 97%.Be called disalt.Although Ma else again to beach sun saturated brine as raw material, obtained by evaporation and crystallization of refined salt, sodium chloride content is above 97%.Are high in sodium, which is now the beach sun big grain of salt sodium chloride content is 97% -98%, nor is the former big grain of salt sodium chloride content of 90% or less, because it is based on the requirements of industrial development in continuous improvement of production workers Dou results.Salt also because the old theories and standards for high-quality high-sodium and another beach sun, also known as the natural salt fine salt, in which nutrients compared with a little more salt than is less, still end up before the big grain of salt content , more importantly, because open-air production of insoluble impurities. society people do not reflect this fragrant cooking salt, mix slowly dissolved when the medical profession reflects high sodium Kan prone hypertensive cardiovascular disease, flooded salt manufacturing industry reflect this freshness ineffective and so the status quo.
Though the purified salt purity that this method makes is high, a small amount of nutrient such as the calcium in the former sea salt rock salt, magnesium, potassium, iron, copper, zinc is through dissolving crystallization again or pulverizing washing and remove basically.Because of receiving the conventional theory that forms and the influence of standard; In washer, further remove metal ions such as calcium, magnesium, potassium, iron, copper, zinc very irrational especially as impurity again; Simultaneously; Because this procedure of washing is dissolved in the bittern mass crystallization salt again and is flushed away, causes significant wastage.Energy consumption is increased, and water resource also consumes in vain, poor product quality, and unfavorable health of human body, cost up, economic benefit is low.
Summary of the invention
To the deficiency that exists in the prior art; The method for making that the purpose of this invention is to provide a kind of refined natural nutritive salt, the refined natural nutritive salt sodium chloride content of production is reduced in 90%-94% in right amount, promptly reaches the macrogranule salt that the fifties, the common people proposed and does fragrant chemical composition; But method for making energy savings than other salt; Reduce production costs, improve the quality of products again, make it to be rich in the trace element of a large amount of useful healths.Making the production of edible salt that a new path is provided from modern theory, technology, standard, also is to implement the transformation industrial structure of country's proposition and a measure of development pattern.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts provides a kind of method for making of refined natural nutritive salt, and this method for making may further comprise the steps:
1., feedstock production:
Seawater to shine through the beach imports halogen storaging pool, utilizes Exposure to Sunlight that seawater is reached near saturated bittern as base stock, and evaporator goes out the 10%-30% of bittern after the salt as basic material;
2., preheating and evaporation:
At first the above-mentioned basic material of processing is got into evaporator; Evaporate; Reach about 60 degree through preheat temperature after in evaporation process, above-mentioned base stock being filtered again, constantly replenish by requirements of evaporator liquid level and enter said evaporator and carry out the salt grain that evaporation and concentration becomes supersaturation bittern and separates out the multielement crystal, this salt grain gets into and collects salt case; When reaching the 60%-70% of collection salt case volume, its salt slurry with a part of bittern is entered settler;
3., separation and backflow:
The salt slurry that contains the multielement crystal at said supersaturation bittern stirs in settler, and the grain salt that contains multielement salt crystal is in settler bottom sedimentation, and the bittern that the centre has a trickle salt grain is that rare salt slurry passes back into the bittern holding vessel and gets into said evaporator; Settler bottom is contained rare salt slurry that the cyclone on the salt slurry warp let-off centrifuge of multielement salt crystal and part bittern screws out and passed back into bittern holding vessel entering evaporator; The thick salt slurry that gets off from the cyclone eddy flow gets into centrifuge, realizes Separation of Solid and Liquid, obtains wet salt, and the bittern that gets rid of rear band portion salt grain through centrifuge is rare salt slurry, gets into evaporator through the bittern holding vessel again;
4., secondary crystallization:
With step 3. in the rare salt slurry of three channels, the trickle salt grain of bringing evaporator into is the nuclei of crystallization, carries out quick secondary crystallization at evaporator; Bittern in the rare salt slurry has increased basic material to evaporator, contains the nutritive salt of multielement salt crystal in order to formation, and making the sodium chloride content in the nutritive salt is 90%-94%;
5., dry and screening:
The 3. middle wet salt of step is got into drier through conveyer, dry under 70-120 ℃ of temperature, pass through sifter again, sieve by the layering of salt granularity, make the different refined natural nutritive salt finished product of granularity.
Effect of the present invention is:
1, the inventive method is raw material with the seawater, and low in raw material cost is inexhaustible, does not contend over raw materials with other producer.And the theory of application secondary crystallization, crystallization is fast, improves output.
2, the inventive method does not comprise any chemical treatment and adds the technology of material; Utilize the bittern of this worker one process to increase contained macronutrient in the natural sea-water; The content of sodium in the salt of crystallization is suitably reduced; Be rich in again the useful nutrient of people by [mg/kg]; Trace element such as calcic＞3100, magnesium＞1530, potassium＞520, iron＞10, copper＞0.8, zinc＞0.2, the polynary crystalline salt of this of output is made contributions the social benefits such as the incidence of disease of illnesss such as favourable reduction hypertension painstaking effort villous themeda to the body health level that improves the trencherman.
3, the inventive method is saved the energy, saves water resource, saves associated materials consumption, can reduce production costs, and increases economic efficiency.
4, the refined natural nutritive salt that makes of the inventive method, because it is the crystal of multiple element, crystal is loose, wherein magnesium chloride hexahydrate (MgCl
26H
2O) content is high, so the absorption affinity of product is strong, dissolving is fast, and solubility is high, and these characteristics are especially significant as flavor enhancement in food processing.As: salted white is delicious, the not flavescence that good refreshing effect is green, the flavouring of being not only, and be cheap nutriment.In addition, this product look white light is bright, and quality is superior to state-set standard.
5, in the production process of the inventive method, contain a large amount of magnesium ions and other materials in the bittern owing to from start to finish make, make the salt crust of tying on the heating tube more loose, be easy to handle, needn't stop production and remove heating pipe scale layer.Increase benefit for production continuously assurance is provided.
The specific embodiment
In conjunction with embodiment the method for making of refined natural nutritive salt of the present invention is explained.
According to modern medical theory, absorb various trace elements such as calcium, magnesium, potassium, iron, copper, zinc to keeping the coordinated balance of human physiological functions, prevent cardiovascular, hypertension, delay senility significant.Under the new theoretical direction, the inventive method is a base stock with the seawater that concentrates just, and the basic material in this process of adding, and makes it as often as possible keep the healthy trace elements with household that is rich in the seawater, by following step, produces refined natural nutritive salt.
The method for making of refined natural nutritive salt of the present invention, this method for making may further comprise the steps:
1., feedstock production:
Seawater to shine through the beach imports halogen storaging pool, utilizes Exposure to Sunlight that seawater is reached near saturated bittern as base stock, and evaporator goes out the 10%-30% of bittern after the salt as basic material;
2., preheating and evaporation:
At first the above-mentioned basic material of processing is got into evaporator; Evaporate; Reach about 60 degree through preheat temperature after in evaporation process, above-mentioned base stock being filtered again, constantly replenish by the evaporation operation rules and enter said evaporator and carry out the salt grain that evaporation and concentration becomes supersaturation bittern and separates out the multielement crystal, this salt grain gets into collection salt case; When reaching the 60%-70% of collection salt case volume, its salt slurry with a part of bittern is entered settler;
3., separation and backflow:
The salt slurry that contains the multielement crystal at said supersaturation bittern stirs in settler, and the macrogranule salt that contains multielement salt crystal is in settler bottom sedimentation, and the bittern that the centre has a trickle salt grain is that rare salt slurry passes back into the bittern holding vessel and gets into said evaporator; Settler bottom is contained rare salt slurry that the cyclone on the salt slurry warp let-off centrifuge of multielement salt crystal and part bittern screws out and passed back into bittern holding vessel entering evaporator; The thick salt slurry that gets off from the cyclone eddy flow gets into centrifuge, realizes Separation of Solid and Liquid, obtains wet salt, and the bittern that gets rid of rear band portion salt grain through centrifuge is rare salt slurry, gets into evaporator through the bittern holding vessel again;
4., secondary crystallization:
With step 3. in the rare salt slurry of three channels, the trickle salt grain of bringing evaporator into is the nuclei of crystallization, carries out quick secondary crystallization at evaporator; Bittern in the rare salt slurry has increased basic material to evaporator, contains the nutritive salt of multielement salt crystal in order to formation, makes the sodium chloride content in the nutritive salt reach 90%-94%, and calcium in the nutritive salt, magnesium, potassium, iron, copper, zinc etc. are increased in right amount;
5., dry and screening:
The 3. middle wet salt of step is got into drier through conveyer, dry under 70-120 ℃ of temperature, pass through sifter again, sieve by the layering of salt granularity, make the different refined natural nutritive salt finished product of granularity.
The method for making of refined natural nutritive salt of the present invention is achieved in that
The method for making of refined natural nutritive salt may further comprise the steps:
1., import halogen storaging pool, utilize Exposure to Sunlight that seawater is reached near saturated bittern as base stock, evaporator goes out the 10%-30% of bittern after the salt as basic material with the seawater that shines through the beach.
2., preheating and evaporation:
At first the above-mentioned basic material of processing is got into evaporator; Evaporate; Reach the left stone of 60 degree through preheat temperature after in evaporation process, above-mentioned base stock being filtered again, constantly replenish by the evaporization process operational procedure and enter said evaporator and carry out the salt grain that evaporation and concentration becomes supersaturation bittern and separates out the multielement crystal, this salt grain gets into collection salt case; When reaching the 60%-70% of collection salt case volume, its salt slurry with a part of bittern is entered settler.
3., separation and backflow:
The salt slurry that contains the multielement crystal at said supersaturation bittern stirs in settler, and the macrogranule salt that contains multielement salt crystal is in settler bottom sedimentation, and the bittern that the centre has a trickle salt grain is that rare salt slurry passes back into the bittern holding vessel and gets into said evaporator; Settler bottom is contained rare salt slurry that the cyclone on the salt slurry warp let-off centrifuge of multielement salt crystal and part bittern screws out and passed back into bittern holding vessel entering evaporator; The thick salt slurry that gets off from the cyclone eddy flow gets into centrifuge, realizes Separation of Solid and Liquid, obtains wet salt, and the bittern that gets rid of rear band portion salt grain through centrifuge is rare salt slurry, gets into evaporator through the bittern holding vessel again.
4., secondary crystallization:
With step 3. in the rare salt slurry of three channels, the trickle salt grain of bringing evaporator into is the nuclei of crystallization, carries out quick secondary crystallization at evaporator; Bittern in the rare salt slurry has increased the salt that the favourable formation of basic material contains multielement salt crystal to evaporator, and this salt sodium chloride content is 90%-94%.Edible salt sodium chloride content on the market all is 97-98% now, and the trace element of its nutrition has not had basically.The characteristics of multielement crystalline salt of the present invention are that the trace element of the low and nutrition of sodium chloride is high.Quality assay method by industry edible salt detects, and its nutritive element content is a unit by [mg/kg, ppm], contains calcium constituent＞3100, contains magnesium elements＞1530, contains potassium element＞520, contains ferro element＞10, contains copper＞0.8, contains zinc element＞0.2.
Embodiment:
The method for making of refined natural nutritive salt of the present invention; Seawater to concentrate is a base stock, seawater is shone on the beach import in the halogen storaging pool, utilizes Exposure to Sunlight to make it to become near saturated bittern; Feed the multilayer sand filter again and filter, the bittern of removing solid impurity such as silt is base stock.The bittern that prestores with the bittern holding vessel is basic material.When the first production of basic raw materials preparation into the evaporator tank, evaporation starts gradually to its basic raw material preheater preheating into evaporators, according to the evaporation tank level protocols continue into the basic raw materials, and continuously into the brine storage tank dilute salt slurry, to maintain the liquid level in the evaporation cans.
It is 2 that evaporator is generally controlled gauge pressure; 94*100000 Pascal; 1.013*10000 Pascal, bittern evaporation is to supersaturation and separate out the crystalline solid of multielement salt, when its salt grain of separating out reaches the 60%-70% of salt case volume; This salt slurry is entered settler, and the bittern that contains trickle salt grain in the centre of stirring sedimentation is that rare salt slurry passes back into the bittern holding vessel again through giving hot device entering evaporator.The salt slurry of settler through stirring through cyclone, makes the salt slurry that contains trickle salt grain flow back to the bittern holding vessel and returns evaporator through giving hot device again.The salt that contains macrogranule salt is starched into centrifuge, realizes Separation of Solid and Liquid, obtains wet salt.Its halogen that throws away with trickle salt grain is that centrifuge gets rid of back liquid entering bittern holding vessel, and nucleus of this jar and bittern are that rare salt slurry advances evaporator through preheater.Its wet salt gets into drier, and temperature is about 110 ℃, and dry back gets into sifter, promptly makes varigrained refined natural nutritive salt finished product.Packing is divided has big packing and inner wrapping, gets into warehouse for finished product afterwards.
Claims (1)
1. the method for making of a refined natural nutritive salt, this method for making may further comprise the steps:
1., feedstock production:
Seawater to shine through the beach imports halogen storaging pool, utilizes Exposure to Sunlight that seawater is reached near saturated bittern as base stock, and evaporator goes out the 10%-30% of bittern after the salt as basic material;
2., preheating and evaporation:
At first the above-mentioned basic material of processing is got into evaporator; Evaporate; Reach 60 degree through preheating after in evaporation process, above-mentioned base stock being filtered again, replenish and enter said evaporator and carry out the salt grain that evaporation and concentration becomes supersaturation bittern and separates out the multielement crystal, this salt grain gets into collection salt case; When reaching the 60%-70% of collection salt case volume, its salt slurry with a part of bittern is entered settler;
3., separation and backflow:
The salt slurry that contains the multielement crystal at said supersaturation bittern stirs in settler, and the grain salt that contains multielement salt crystal is in settler bottom sedimentation, and the bittern that the centre has a trickle salt grain is that rare salt slurry passes back into the bittern holding vessel and gets into said evaporator; Settler bottom is contained rare salt slurry that the cyclone on the salt slurry warp let-off centrifuge of multielement salt crystal and part bittern screws out and passed back into bittern holding vessel entering evaporator; The thick salt slurry that gets off from the cyclone eddy flow gets into centrifuge, realizes Separation of Solid and Liquid, obtains wet salt, and the bittern that gets rid of rear band portion salt grain through centrifuge is rare salt slurry, gets into evaporator through the bittern holding vessel again;
4., secondary crystallization:
With step 3. in the rare salt slurry of three channels, the trickle salt grain of bringing evaporator into is the nuclei of crystallization, carries out quick secondary crystallization at evaporator; Bittern in the rare salt slurry has increased basic material to evaporator, contains the nutritive salt of multielement salt crystal in order to formation, makes that the content of sodium chloride drops to 94%-90% in the nutritive salt;
5., dry and screening:
The 3. middle wet salt of step is got into drier through conveyer, dry under 70-120 ℃ of temperature, pass through sifter again, sieve by the layering of salt granularity, make the different refined natural nutritive salt finished product of granularity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010282358XA CN102396696B (en) | 2010-09-15 | 2010-09-15 | Method for preparing refined natural nutrient salt |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010282358XA CN102396696B (en) | 2010-09-15 | 2010-09-15 | Method for preparing refined natural nutrient salt |
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| CN102396696A true CN102396696A (en) | 2012-04-04 |
| CN102396696B CN102396696B (en) | 2013-06-19 |
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| CN201010282358XA Expired - Fee Related CN102396696B (en) | 2010-09-15 | 2010-09-15 | Method for preparing refined natural nutrient salt |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103637160A (en) * | 2013-12-23 | 2014-03-19 | 中盐皓龙盐化有限责任公司 | Preparation process of liquid edible salt |
| CN104543933A (en) * | 2015-01-28 | 2015-04-29 | 山东岱岳制盐有限公司 | Method for preparing deep well water salt |
| CN108323745A (en) * | 2018-03-20 | 2018-07-27 | 天津长芦汉沽盐场有限责任公司 | A kind of refined crushing washing salt production method of the reparing process containing crystal form |
| CN111011820A (en) * | 2019-12-25 | 2020-04-17 | 山东夙沙生态发展有限公司 | Production process for refining low-sodium salt and alkaline water by adopting brine |
| CN111067080A (en) * | 2019-12-15 | 2020-04-28 | 李涛 | Health-preserving salt and preparation method thereof |
| CN111528442A (en) * | 2020-05-19 | 2020-08-14 | 唐山市银海食盐有限公司 | Method for preparing flaky edible salt by using seawater |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051898A (en) * | 1990-12-28 | 1991-06-05 | 天津轻工业学院盐业工程系盐化厂 | The method for making of refined natural salt |
| JP2002255543A (en) * | 2001-02-27 | 2002-09-11 | Nishi Nippon Gijutsu Kaihatsu Kk | Salt production facility producing natural salt from seawater |
-
2010
- 2010-09-15 CN CN201010282358XA patent/CN102396696B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051898A (en) * | 1990-12-28 | 1991-06-05 | 天津轻工业学院盐业工程系盐化厂 | The method for making of refined natural salt |
| JP2002255543A (en) * | 2001-02-27 | 2002-09-11 | Nishi Nippon Gijutsu Kaihatsu Kk | Salt production facility producing natural salt from seawater |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103637160A (en) * | 2013-12-23 | 2014-03-19 | 中盐皓龙盐化有限责任公司 | Preparation process of liquid edible salt |
| CN104543933A (en) * | 2015-01-28 | 2015-04-29 | 山东岱岳制盐有限公司 | Method for preparing deep well water salt |
| CN108323745A (en) * | 2018-03-20 | 2018-07-27 | 天津长芦汉沽盐场有限责任公司 | A kind of refined crushing washing salt production method of the reparing process containing crystal form |
| CN111067080A (en) * | 2019-12-15 | 2020-04-28 | 李涛 | Health-preserving salt and preparation method thereof |
| CN111011820A (en) * | 2019-12-25 | 2020-04-17 | 山东夙沙生态发展有限公司 | Production process for refining low-sodium salt and alkaline water by adopting brine |
| CN111528442A (en) * | 2020-05-19 | 2020-08-14 | 唐山市银海食盐有限公司 | Method for preparing flaky edible salt by using seawater |
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| CN102396696B (en) | 2013-06-19 |
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