CN107616476A - A kind of sheet eats the production method of purified salt - Google Patents
A kind of sheet eats the production method of purified salt Download PDFInfo
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- CN107616476A CN107616476A CN201610569267.1A CN201610569267A CN107616476A CN 107616476 A CN107616476 A CN 107616476A CN 201610569267 A CN201610569267 A CN 201610569267A CN 107616476 A CN107616476 A CN 107616476A
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Abstract
The invention discloses the production method that a kind of sheet eats purified salt, by raw material salt successively by salt dissolving, sedimentation, filtering, plane evaporation, analysis salt, temperature control sink salt, temperature control crystallization, decrease temperature crystalline, fishing, be filtered dry, water conservation stockpiling, the process such as packaging, be made that sheet is edible to refine product salt.This method is made purified salt product appearance and is presented that sheet, particle are big, and bulk density is small, and accumulation is bonded between crystal grain, and finger, which is gently twisted with the fingers, can separate it, but not broken, not Cheng Mo after twisting with the fingers, and crystal is bright, and taste returns sweet, and it is containing pure up to more than 99.9%.Edible obtained by the present invention product salt is gone with rice or bread available for cooking, life is mixed, baked food spreads use, is not touched with one's hand after, also can be used for normal culinary art addition to eat.
Description
Technical field
The invention belongs to the production field of edible salt, is related to the production technology of uniqueness, especially a kind of sheet is edible to be refined
The production method of salt.
Background technology
Edible salt is one of indispensable flavoring in people's life, as the improvement of people's living standards, eat less salt,
Health salt is eaten to know together into people, while as social development, various different cooking methods occur, also occurred to the category of salt
More demands, in a manner of meeting different culinary arts and go with rice or bread.
Traditional edible purified salt mode of production uses crude salt chemical conversion saturated bittern or teds saturated bittern and passed through for raw material
Saturation material liquid is made in removal filtration processing, then produces purified salt using multi-effect evaporator.The purified salt that the technique productions come out
Crystal formation is in the square bodily form, and granularity generally need to be through high-temperature digestion or normal temperature slow mechanism dissolved ability in 0.15~0.85mm, edible process
Can cooked food materials fully absorb, be not suitable for eating it raw, cold and dressed with sauce or daily baking food hand is grabbed and spreads food materials surface and eat at once
With, and hand is taken when spreading because square mobility of particle is big, seam nature of changing hands spills salting inequality, causes local over-salty bad behaviour
Make, and it is inconvenient for use easily to touch with one's hand.
It is an object of the invention to overcome the weak point of existing salt kind, there is provided a kind of sheet eats the life of purified salt
Production method, the method production purified salt product shape in the form of sheets, and sheet salt particle naturally bond, salt grain is bright, accumulate it is close
To spend small, be piled into puffy, hand is grabbed conveniently, and finger is gently twisted with the fingers cohesive salt grain and can separated, and is easy to hand and is grabbed spread leaching, can uniformly spread leaching,
Do not touched with one's hand after, good hand touch, because through high temperature evaporation into can be used in it is raw with, be eaten cold, arrange, roast, dining table seasoning, because being in piece
Shape easily fully contacts with food materials, can quickly absorb and be dissolved in food materials surface, can eat at once.Therefore with natural, pure, thin
Loose, instant, delicious feature.
The content of the invention
The present invention realizes that the technical scheme of purpose is：
A kind of sheet eats the production method of purified salt, by raw material salt successively by salt dissolving, sedimentation standing, filtering, plane
Evaporation, analysis salt, temperature control sink salt, temperature control crystallization, decrease temperature crystalline, fishing, be filtered dry, water conservation stockpiling, the process such as packaging are made refined and eaten
Use salt；It is characterized in that operated according to the following steps：
(a) sedimentation stands more than 0.5 hour after raw material salt being dissolved into saturated brine, settles insoluble matter impurity, supernatant
Filter off except topmost surface floating insoluble matter.
(b) salt solution after filtering is squeezed into evaporation tank, and liquid total depth is no more than 50cm in pond, and quick is evaporation tank liter
Temperature, now start slowly to separate out salt and float on the water surface, pool inner water temperature reaches 100 DEG C~120 DEG C, salt boiling water, salts out
Bottom of pond is partly settled down to afterwards, maintains fluidized state 1~5 hour.
(c) after execution of step (b), 60 DEG C~100 DEG C are cooled to, and keeps this temperature 1~7 hour.
(d) after execution of step (c), stop whole heating sources, treat that it is naturally cooling to 20 DEG C~60 DEG C.
(e) after execution of step (d), will be separated out in pond whole salt pull out and be dehydrated be filtered dry after put into band liner woven bag
In, bittern, which is retained, in pond continues to be blended into new salt solution and uses, and woven bag sealing, which keeps flat heap and sticked together, piles up, pilling up time 1~6 month, heap
Being taken out after putting loosely separately divides parcel to pack.
According to above technical matters, a kind of production method of described sheet edible salt, it is characterised in that the step 1-
(a) raw material salt is to be not added with the refined edible salt of iodine and fluffy powder, and filtering uses accurate filter, the μ of filtering micropore aperture≤0.3
m；1- (b) evaporation tank uses material as Stainless steel 316 L, and pond body surrounding and bottom of pond are incubated using insulation, bottom of pond using thickening
Special processing；Bittern is retained after 1- (e) fishings and substantially originates less than the 1/2 of level, and bittern back and forth uses, and pulls salt out
Moisture content is 5%~10%.
The advantages of the present invention are：
The inventive method production process is simple, and operation is easy, and flow is short, product with stable quality.The edible salt produced is brilliant
Body is bright in the form of sheets, aesthetic in appearance, and bulk density is small, accumulates fluffy loose, and hand, which is grabbed, does not touch with one's hand, can hand twist with the fingers not fall, good hand touch, again
Because being formed through thermophilic digestion, salt particle crystal faster, instant can make in the relatively conventional cubic granules salt dissolution velocity of flake
With, can be used in it is raw with, be eaten cold, arrange, roast, the mode such as dining table seasoning, meet the different eating requirements of edible salt category, carry
Height uses salt quality of the life.
Brief description of the drawings
Fig. 1 is that sheet eats purified salt technological process of production sketch.
Fig. 2 is salt Sample crystals habit figure caused by embodiment 1.
Fig. 3 is salt Sample crystals habit figure caused by embodiment 2.
Embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not limit
Qualitatively, it is impossible to which protection scope of the present invention is limited with this.
Embodiment 1
A kind of sheet eats the production method of purified salt, by raw material salt successively by salt dissolving, sedimentation standing, filtering, plane
Evaporation, analysis salt, temperature control sink salt, temperature control crystallization, decrease temperature crystalline, fishing, be filtered dry, water conservation stockpiling, the process such as packaging are made refined and eaten
With salt, specifically operated according to the following steps：
1st, raw material salt solution is produced：
Refined edible salt is put into dissolving tank and stirred, is delivered to after saturated brine is made with brine pump in subsider
Standing sedimentation, sedimentation time were controlled more than 6 hours, and subsider level is controlled in below 0.8m, ensures enough sedimentations
Time, ensure effective sedimentation of insoluble matter in saturated brine.Supernatant liquor is delivered to intermediate storage tank with pump after sedimentation, then with supercharging
Pump is delivered to accurate filter, and filter screen precision≤0.3 μm, liquid is directly transported in evaporation tank after filter.
2nd, plane is evaporated：
Plane evaporation controls the evaporation rate of different phase to carry out using once feeding, and feeds level control for the first time
System is retained in pond in 20em, evaporation Mother liquor, and total level is also controlled within 20em.
Quickly heated up when starting evaporation using bottom of pond gas heating mode for evaporation tank, until saturated brine boiling in pond,
Boiling 1 hour is maintained, boiling tumbling state occurs in liquid level, and pool inner water temperature is up to 105 DEG C or so, and this heating period is to make saturation
Salt solution is rapidly achieved hypersaturated state, starts to produce the nucleus needed for crystal growth, and makes it start to grow up, and liquid level begins with salt
Separate out.
Turn combustion gas throughput down, control flame combustion height, liquid level is stopped boiling tumbling state, then present and continue gently
Micro- boiling, temperature is down to 75 DEG C or so in pond, keeps this temperature 6.5 hours, and with the evaporation of moisture, tiny salt occurs in liquid level
Piece is simultaneously progressively linked to be full wafer, and salt deposit constantly thickeies, and bottom of pond is sunk to until overweight, now as moisture evaporation, salt crystal are constantly analysed
Go out and grow up, because controlling evaporation rate, the crystal of precipitation is linked to be sheet, and constantly grows up, be long thick, and because it is overweight sink to bottom of pond after
Continue to grow up.
When pond inner salt thickness degree is in 15cm or so, closing gas valve door, stops supply, treat that it is naturally cooling to 50 DEG C of left sides
The right side, starts out of pond fishing outward, and during Temperature fall, crystal is still constantly grown up.During fishing, with the special of mesh
Salt shovel first drags for salt into the filter salt bath with mesh, filters out mother liquor and is back in evaporation tank.
After evaporating first, Recycling Mother Solution is used in evaporation tank, and bittern mother liquor depth is retained after fishing and substantially originates liquid level
1/3 or so of depth.
3rd, store up：
When pulled out wet salt is reduced to 5%~10% or so through being filtered dry water content naturally, salt is put into band plastic sheeting
In liner woven bag (50Kg), woven bag sealing, which keeps flat heap and sticked together, piles up, and piles up 10~15 bags of height, pilling up time 3 months, because containing
Water-water reactor is deposited, and long-term compaction, and salt crystal will continue slowly growth, and crystal brightness and hardness have increased.
4th, pack：
Obtained purified salt in bag is taken out after 3 months, divides parcel to pack into packing machine after vibratory sieve loosely separates.
Embodiment 2
A kind of sheet eats the production method of purified salt, by raw material salt successively by salt dissolving, sedimentation standing, filtering, plane
Evaporation, analysis salt, temperature control sink salt, temperature control crystallization, decrease temperature crystalline, fishing, be filtered dry, water conservation stockpiling, the process such as packaging are made refined and eaten
With salt, specifically operated according to the following steps：
1st, raw material salt solution is produced：
Refined edible salt is put into dissolving tank and stirred, is delivered to after saturated brine is made with brine pump in subsider
Standing sedimentation, sedimentation time were controlled more than 10 hours, and subsider level is controlled in below 1m, is ensured in saturated brine not
Effective sedimentation of molten thing.Supernatant liquor is delivered to intermediate storage tank with pump after sedimentation, then is delivered to accurate filter with booster pump, filter
Net precision≤0.3 μm, liquid is directly transported in evaporation tank after filter.
2nd, plane is evaporated：
Evaporation controls the evaporation rate of different phase to carry out using once feeding, for the first time charging liquid level it is deep-controlled
30cm, evaporation Mother liquor are retained in pond, and total level is also controlled within 30cm.
Quickly heated up when starting evaporation using bottom of pond gas heating mode for evaporation tank, until saturated brine boiling in pond,
Boiling 2.5 hours is maintained, boiling tumbling state occurs in liquid level, and pool inner water temperature is up to 107 DEG C or so, and liquid level begins with more thin
Layer salt piece separates out.
Turn combustion gas throughput down, control flame combustion height, liquid level is stopped boiling tumbling state, then present and continue gently
Micro- boiling, temperature is down to 85 DEG C or so in pond, keeps this temperature 4.5 hours, with the evaporation of moisture, the tiny salt piece of liquid level is simultaneously
Progressively it is linked to be full wafer, salt deposit constantly thickeies, and partly sinks to bottom of pond because overweight, now as moisture evaporation, salt crystal constantly separate out
And grow up, because controlling evaporation rate, the crystal of precipitation is linked to be sheet, and constantly grows up, be long thick, and to sink to bottom of pond follow-up because overweight
Continuous growth.
Treat that pond inner salt thickness degree supplies in 25cm or so, closing gas valve door, stopping, treating that it is naturally cooling to 30 DEG C of left sides
The right side, start out of pond fishing outward.During fishing, shoveled with the special-purpose salt with mesh and first drag for salt to the filter salt bath with mesh
In, filter out mother liquor and be back in evaporation tank.Recycling Mother Solution is used in evaporation tank, and bittern mother liquor depth is retained after fishing and is substantially originated
1/4 or so of level.
3rd, store up：
When pulled out wet salt is reduced to 5%~10% or so through being filtered dry water content naturally, salt is put into band plastic sheeting
In liner woven bag (50Kg), woven bag sealing, which keeps flat heap and sticked together, piles up, and piles up 10~15 bags of height, pilling up time 1.5 months.
4th, pack：
Obtained purified salt in bag is taken out after 1.5 months, divides parcel to pack into packing machine after vibratory sieve loosely separates.
The salt produced is as follows through analysis product quality：
Product quality table
It can see that product meets state food level purified salt standard from data above.
Embodiment described above is only that the preferred embodiment of the present invention is described, rather than the present invention is fitted
It is bound, changing and modifications in the case where not departing from present general inventive concept or technical scheme is made with scope
Various modifications and improvement, it all should belong within the protection domain that claims of the present invention determines.
Claims (2)
1. a kind of sheet eats the production method of purified salt, raw material salt is successively steamed by salt dissolving, sedimentation standing, filtering, plane
Hair, analysis salt, temperature control sink salt, temperature control crystallization, decrease temperature crystalline, fishing, be filtered dry, water conservation stockpiling, the obtained refined edible of process such as packaging
Salt；It is characterized in that operated according to the following steps：
(a) sedimentation stands more than 1 hour after raw material salt being dissolved into saturated brine, settles insoluble matter impurity, and supernatant liquid filtering is gone
Except topmost surface floats insoluble matter.
(b) salt solution after filtering is squeezed into plane evaporation tank, and liquid total depth is no more than 30cm in pond, and quick is evaporation tank liter
Temperature, now start slowly to separate out salt and float on the water surface, pool inner water temperature reaches 90 DEG C~115 DEG C, salt boiling water, after salting out
Part is settled down to bottom of pond, maintains fluidized state 1~3 hour.
(c) after execution of step (b), 60 DEG C~90 DEG C are cooled to, and keeps this temperature 5~7 hours.
(d) after execution of step (c), stop whole heating sources, treat that it is naturally cooling to 30 DEG C~50 DEG C.
(e) after execution of step (d), whole salt will be separated out by being shoveled with drainage in pond pulls out and band liner braiding is put into after being filtered dry naturally
Bittern, which is retained, in bag, in pond continues to be blended into new salt solution and uses, and woven bag sealing, which keeps flat heap and sticked together, piles up, pilling up time 3~5 months,
Being taken out after stacking loosely separately divides parcel to pack.
2. a kind of production method of described sheet edible salt is required according to right 1, it is characterised in that the step 1- (a)
Raw material salt is to be not added with the refined edible salt of iodine and fluffy powder, and filtering uses accurate filter, filtering micropore aperture≤0.3 μm；1-
(b) plane evaporation tank uses size as long 2.4m, wide 1.8m, deep 0.35m, and overall material is Stainless steel 316 L, heat source
Using liquefied natural gas, it is evenly distributed 6 heating gates and directly heats, pond body and bottom of pond surrounding is using insulation, and bottom of pond is using thickening
Insulation processing；Bittern is retained after 1- (e) fishings and substantially originates 1/3 of level or so, and bittern back and forth uses, and pulls salt out
Moisture content is 5%~10%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610569267.1A CN107616476A (en) | 2016-07-14 | 2016-07-14 | A kind of sheet eats the production method of purified salt |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610569267.1A CN107616476A (en) | 2016-07-14 | 2016-07-14 | A kind of sheet eats the production method of purified salt |
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| CN107616476A true CN107616476A (en) | 2018-01-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
| CN112568415A (en) * | 2019-09-27 | 2021-03-30 | 杨续军 | Salt convenient for old people to eat and preparation method thereof |
| CN114314612A (en) * | 2021-12-16 | 2022-04-12 | 唐山市银海食盐有限公司 | Production process for regulating and controlling sea salt crystal morphology |
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| WO2015092025A1 (en) * | 2013-12-20 | 2015-06-25 | Oriel Seasalt Company Limited | A sea water harvesting process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112568415A (en) * | 2019-09-27 | 2021-03-30 | 杨续军 | Salt convenient for old people to eat 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 |
| CN114314612A (en) * | 2021-12-16 | 2022-04-12 | 唐山市银海食盐有限公司 | Production process for regulating and controlling sea salt crystal morphology |
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