CN104016377A - Solarization recrystallization salt-manufacturing technology - Google Patents
Solarization recrystallization salt-manufacturing technology Download PDFInfo
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- CN104016377A CN104016377A CN201410231468.1A CN201410231468A CN104016377A CN 104016377 A CN104016377 A CN 104016377A CN 201410231468 A CN201410231468 A CN 201410231468A CN 104016377 A CN104016377 A CN 104016377A
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Abstract
A solarization recrystallization salt-manufacturing technology is characterized by comprising the following steps: (1) utilizing seawater or brine to flush large-particle crude salt, so as to obtain brine with relatively high concentration; (2) sending the high-grade brine subjected to centralized preparation to crystallization ponds; (3) utilizing a mechanical brine-stirring machine to stirring brine and salt; (4) after crystallization is finished in the step (3), centralizing bittern to a salt collection pond and removing superfluous brine; (5) utilizing a salt-slurry pump to transport and stack salt-bittern mixture; (6) returning brine in the step (4) to a brine storage clearing pond for reutilization and crystallization; and (7) performing transportation. Compared with the prior art, the technology has the advantages that seawater or mixed brine is utilized for flushing crude salt, mechanical equipment is not for stirring, and high-grade brine is obtained in a short time; a pipeline system, the mechanical brine-stirring machine, a salt reeling machine, the salt-slurry pump, an excavator and the like are utilized for collecting and stacking salt, the crude-salt output in an unit area is improved, and labor is saved; and the product is pure white and fine, and can be used as a good processing raw material of various edible-salt products.
Description
Technical field
The present invention relates to a kind of day novel process in solar salt shan field, particularly utilize seawater, natural unsaturated bittern, comprise that condensed water is dissolved macrobead raw material salt after sea water desaltination, by Exposure to Sunlight recrystallization, produce the technique of salt.
Background technology
Traditional southern Exposure to Sunlight salt making technology generally directly utilizes seawater, under sunlight and wind effect, by each pond, beach, is progressively clarified, is concentrated, and slowly obtains saturated bittern, finally introduces crystallization beach again; Under suitable illumination and wind effect, by hand mixing, revolve halogen turk, crystallization day evaporates brine; After crystallization completes, then receive salt by wooden rake, large bamboo or wicker basket is chosen salt man-handling of materials to salt buttress drop halogen, stacks and drains to conformance with standard requirement.In whole production process, life cycle of the product is long, required salt pan area is large, and production efficiency is lower, average annual per mu yield 5-7 ton, and output is limited.
In northerly day solar salt shan, employing be the mode of long time crystallization, institute's Exposure to Sunlight raw material salt output of producing is relatively high, but particle greatly, crystal formation unnaturally, shade deviation, whiteness is less than 40 degree, and impurity is more, need to wash further processing by powder and could utilize.
Summary of the invention
A technical problem to be solved by this invention is the present situation for prior art, and a kind of with short production cycle, Exposure to Sunlight recrystallization salt producing craft that production efficiency is high is provided.
The present invention solves the problems of the technologies described above adopted technical scheme: this Exposure to Sunlight recrystallization salt producing craft, is characterized in that comprising the following steps:
1. concentrate brewed brine: the macrobead raw material salt that is 2-15mm by particle diameter concentrates heap to stick together, utilize seawater, unsaturated bittern or sea water desaltination after condensed water carry out shower, macrobead raw material salt directly obtains saturated senior bittern after dissolving;
2. carry bittern: the step saturated senior bittern that 1. middle centralization halogen obtains, after clarification, is delivered to each pond, crystallization beach by pipeline;
3. mechanical turk: utilize mechanical pattern marking machine, pond, stirred crystallization beach bittern at regular time and quantity, turk is revolved salt;
4. crystallization row halogen: after crystallization completes in 3. in step, bittern is concentrated to receipts salt pond, and gets rid of unnecessary bittern;
5. receive salt stacking: the bittern mixture that 4. step is obtained utilizes brine pump to be delivered to salt and sticks together;
6. bittern recycling: the unnecessary bittern that step is discharged in is 5. back in step guarantor's halogen settling pond 2. and recycles;
7. go out fortune: after step salt buttress is 5. drained away the water, adopt excavator transhipment to put salt, make finished product.
Further, through shower halogen, the described step bittern concentration that 1. middle centralization halogen obtains can directly reach 21 ° of B é～27 ° B é.Due to by utilizing unsaturated bittern or the sea water desaltination condensed water of seawater, recovery to carry out shower to oarse-grained raw material salt, raw material salt is dissolved can obtain saturated High Concentration Brine, to shorten the production brewed brine time.
Further, described step 2. at the bottom of pond, crystallization beach preferred black plastic salt film place mat pond.Adopt the technology at the bottom of black salt film covers crystallizing pond, increased Exposure to Sunlight luminous energy and absorbed, at the bottom of minimizing crystallizing pond, impurity sneaks into; Run into the adverse weather impacts such as heavy rain, can pull-up cover crystallization saline solution, reduce the loss.
Compared with prior art, the invention has the advantages that:
The one, unsaturated bittern or the sea water desaltination condensed water of creative utilization seawater, recovery are carried out direct shower to oarse-grained raw material salt, do not need the stirring of mechanical means, energy consumption is low, has reduced the time of brewed brine simultaneously, and gained bittern is limpid, reduced salt pan brewed brine settling pond area;
The 2nd, the impurity of macrobead raw material salt can be removed when shower halogen, and the quality of evaporating brine the day of crystallization is better;
The 3rd, by the defeated halogen of integrated pipeline, mechanical turk, revolve halogen, the mechanical integrated operating processes such as windlass, brine pump, have realized mechanical replacement manual operation, have improved labor productivity, have significantly saved salt pan area simultaneously;
The Si Shi novel process unit quantity of labour force reduces 1 times, and whole mechanized, has reduced salter's work load, has also improved salter's condition of working;
The 5th, through the product crystal nature of Exposure to Sunlight recrystallization gained, pure pure white, be rich in several mineral materials and trace element, that to pulverize the salt product that washing dehydration processes incomparable, can reach following effect after measured: quality meets the primary standard of evaporating brine GB day, more than whiteness reaches 65 degree, output is tradition day the more than 10 times of solar salt shan, average annual per mu yield reaches more than 60 tons, realizes salter and increases income.
Accompanying drawing explanation
Fig. 1 is process flow sheet of the present invention.
Embodiment
Below in conjunction with the drawings and embodiment the invention will be further described.
Embodiment 1
This Exposure to Sunlight recrystallization salt producing craft, comprises the following steps:
1. concentrate brewed brine: the macrobead raw material salt that is 5mm by particle diameter concentrates heap to stick together, and utilizes seawater, unsaturated bittern or sea water desaltination condensed water to carry out shower, and macrobead raw material salt directly obtains the saturated senior bittern that concentration is 21 ° of B é after dissolving;
2. carry bittern: the step saturated senior bittern that 1. middle centralization halogen obtains, after clarification, is directly delivered to each pond, crystallization beach by pvc transport pipe;
3. mechanical turk: change crystallizing pond after halogen and receive salt area and be divided into six regions, and be 0.2m at each crystallizing pond bottom laying depth, size is 1600m
2black plastic salt film, meanwhile, a turk point is also established in each middle position, region, utilizes mechanical pattern marking machine, pond, stirred crystallization beach bittern carries out turk and revolves salt at regular time and quantity, each turk is about 30 minutes.
4. crystallization row halogen: after crystallization completes in 3. in step, bittern is concentrated to receipts salt pond, gets rid of unnecessary bittern;
5. receive salt stacking: the bittern mixture that 4. step is obtained, can utilize the receipts salt pump that the patent No. that our company researches and develops is voluntarily ZL201120528253.8 to be delivered to stacking, by this receipts salt pump, can play the effect of stirring saline mixture, can make the saline mixture in transport pipe keep certain solid-to-liquid ratio, in transport pipe, be difficult for like this stopping up, receive salt efficiency high.
6. bittern recycling: the unnecessary bittern that step is discharged in is 4. back to huge profit crystallization in step guarantor's halogen settling pond 2.;
7. go out fortune: step salt buttress is 5. drained away the water, make final moisture≤5%, and adopt excavator transhipment to put salt, make finished product.
Whiteness 68 degree of evaporating brine final day, 65 tons of average annual per mu yields, all the other indexs all meet evaporates brine GB one-level day.
Embodiment 2
This Exposure to Sunlight recrystallization salt producing craft, comprises the following steps:
1. concentrate brewed brine: by particle diameter, be 7mm macrobead raw material salt, utilize unsaturated bittern shower, centralization halogen obtains the senior bittern that concentration is 24 ° of B é;
2. carry bittern: the step senior bittern that 1. middle centralization halogen obtains, after clarification, is directly delivered to each pond, crystallization beach by pvc transport pipe;
3. mechanical turk: change crystallizing pond after halogen and receive salt area and be divided into six regions, and be 0.3mm at crystallizing pond bottom laying depth, size is 1800m
2black plastic salt film, meanwhile, a turk point is also established in each middle position, region, utilizes mechanical pattern marking machine, pond, stirred crystallization beach bittern carries out turk and revolves salt at regular time and quantity, each turk is about 40 minutes.
4. crystallization row halogen: after crystallization completes in 3. in step, bittern is concentrated to receipts salt pond, gets rid of unnecessary bittern;
5. receive salt stacking: the bittern mixture that 4. step is obtained utilizes model to be delivered to stacking for GMZ centrifugal type slurry pump;
6. bittern recycling: the unnecessary bittern that step is discharged in is 4. back to huge profit crystallization in step guarantor's halogen settling pond 2.;
7. go out fortune: step salt buttress is 5. drained away the water, make final moisture≤4%, and adopt excavator transhipment to put salt, make finished product.
Whiteness 65 degree of evaporating brine final day, 70 tons of average annual per mu yields, all the other indexs all meet evaporates brine GB one-level day.
Embodiment 3
This Exposure to Sunlight recrystallization salt producing craft, comprises the following steps:
1. concentrate brewed brine: by particle diameter, be 10mm macrobead raw material salt, utilize condensed water shower after sea water desaltination, centralization halogen obtains the senior bittern that concentration is 27 ° of B é;
2. carry bittern: the step senior bittern that 1. middle centralization halogen obtains, after clarification, is directly delivered to each pond, crystallization beach by pvc transport pipe;
3. mechanical turk: change crystallizing pond after halogen and receive salt area and be divided into six regions, and be 0.25mm at crystallizing pond bottom laying depth, size is 2000m
2black plastic salt film, meanwhile, a turk point is also established in each middle position, region, utilizes mechanical pattern marking machine, pond, stirred crystallization beach bittern carries out turk and revolves salt at regular time and quantity, each turk is about 50 minutes.
4. crystallization row halogen: after crystallization completes in 3. in step, bittern is concentrated to receipts salt pond, gets rid of unnecessary bittern;
5. receive salt stacking: the bittern mixture that 4. step is obtained utilizes the automatic uniform mixing pollution discharging pump that model is JYWQ to be delivered to stacking;
6. bittern recycling: the unnecessary bittern that step is discharged in is 4. back to huge profit crystallization in step guarantor's halogen settling pond 2.;
7. go out fortune: step salt buttress is 5. drained away the water, make final moisture≤3%, and adopt excavator transhipment to put salt, make finished product.
Whiteness 70 degree of evaporating brine final day, 60 tons of average annual per mu yields, all the other indexs all meet evaporates brine GB one-level day.
Claims (3)
1. an Exposure to Sunlight recrystallization salt producing craft, is characterized in that comprising the following steps:
1. concentrate brewed brine: the macrobead raw material salt that is 2-15mm by particle diameter concentrates heap to stick together, and utilizes seawater, unsaturated bittern or sea water desaltination condensed water to carry out shower, and macrobead raw material salt directly obtains saturated senior bittern after dissolving;
2. carry bittern: the step saturated senior bittern that 1. middle centralization halogen obtains, after clarification, is directly delivered to each pond, crystallization beach by transport pipe;
3. mechanical turk: utilize mechanical pattern marking machine, pond, stirred crystallization beach bittern at regular time and quantity, turk is revolved salt;
4. crystallization row halogen: after crystallization completes in 3. in step, bittern is concentrated to receipts salt pond, gets rid of unnecessary bittern;
5. receive salt stacking: the bittern mixture that 4. step is obtained utilizes brine pump to be delivered to heap and sticks together;
6. bittern recycling: the unnecessary bittern that step is discharged in is 4. back to huge profit crystallization in step guarantor's halogen settling pond 2.;
7. go out fortune: step salt buttress is 5. drained away the water, adopt excavator transhipment to put salt, make finished product.
2. Exposure to Sunlight recrystallization salt producing craft according to claim 1, is characterized in that: through shower halogen, the described step bittern concentration that 1. middle centralization halogen obtains can directly reach 21 ° of B é～27 ° B é.
3. Exposure to Sunlight recrystallization salt producing craft according to claim 1, is characterized in that: described step 2. at the bottom of preferred black plastic salt film place mat pond, pond, crystallization beach.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107010642A (en) * | 2017-05-17 | 2017-08-04 | 江苏省地矿地热能有限公司 | One kind makes sea salt device using geothermal energy |
| CN107827126A (en) * | 2017-12-18 | 2018-03-23 | 自贡市轻工业设计研究院有限责任公司 | A kind of salt lake mixed salt selective thermal melting evaporates salt extraction process |
| CN108211413A (en) * | 2017-12-27 | 2018-06-29 | 地矿集团格尔木盐湖资源开发有限公司 | A kind of separation of solid and liquid heap sky technical method for the purification of mineral salt block salt |
| CN113044858A (en) * | 2021-03-16 | 2021-06-29 | 姜秉严 | TGC crystallization process for salt pan |
| CN113144661A (en) * | 2021-03-22 | 2021-07-23 | 冷强 | Sun-drying recrystallization salt pattern-making brine-rotating device capable of screening and controlling crystals |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107010642A (en) * | 2017-05-17 | 2017-08-04 | 江苏省地矿地热能有限公司 | One kind makes sea salt device using geothermal energy |
| CN107010642B (en) * | 2017-05-17 | 2019-02-15 | 江苏省地矿地热能有限公司 | It is a kind of to make sea salt device using geothermal energy |
| CN107827126A (en) * | 2017-12-18 | 2018-03-23 | 自贡市轻工业设计研究院有限责任公司 | A kind of salt lake mixed salt selective thermal melting evaporates salt extraction process |
| CN107827126B (en) * | 2017-12-18 | 2019-06-21 | 自贡市轻工业设计研究院有限责任公司 | A kind of salt lake mixed salt selective thermal melting-evaporation salt extraction process |
| CN108211413A (en) * | 2017-12-27 | 2018-06-29 | 地矿集团格尔木盐湖资源开发有限公司 | A kind of separation of solid and liquid heap sky technical method for the purification of mineral salt block salt |
| CN113044858A (en) * | 2021-03-16 | 2021-06-29 | 姜秉严 | TGC crystallization process for salt pan |
| CN113144661A (en) * | 2021-03-22 | 2021-07-23 | 冷强 | Sun-drying recrystallization salt pattern-making brine-rotating device capable of screening and controlling crystals |
| CN113144661B (en) * | 2021-03-22 | 2022-11-22 | 无棣永利盐业有限公司 | Sun-drying recrystallization salt pattern-making brine-rotating device capable of screening and controlling crystals |
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| CN104016377B (en) | 2015-10-28 |
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