CN104016377B - A kind of Exposure to Sunlight recrystallization salt producing craft - Google Patents
A kind of Exposure to Sunlight recrystallization salt producing craft Download PDFInfo
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- CN104016377B CN104016377B CN201410231468.1A CN201410231468A CN104016377B CN 104016377 B CN104016377 B CN 104016377B CN 201410231468 A CN201410231468 A CN 201410231468A CN 104016377 B CN104016377 B CN 104016377B
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Abstract
The present invention relates to a kind of Exposure to Sunlight recrystallization salt producing craft, it is characterized in that comprising the following steps: 1. utilize seawater or bittern to oarse-grained raw material salt shower, obtain higher concentration bittern; 2. the step senior bittern that 1. middle centralization halogen obtains is delivered to pond, each crystallization beach; 3. mechanical pattern marking machine turk is utilized to revolve salt; 4., after 3. middle crystallization completes step, bittern is concentrated to receives salt pond, and gets rid of unnecessary bittern; 5. utilize brine pump by bittern mixture conveying stacking; 6. by step 4. in bittern return and protect the crystallization of halogen settling pond huge profit; 7. go out fortune, compared with prior art, the invention has the advantages that: utilize seawater or mixing bittern shower raw material salt, do not need the stirring of mechanical means, obtain senior bittern within a short period of time; Utilize tubing system and mechanical pattern marking machine, volume salt machine, brine pump, excavator etc. to receive salt heap salt, improve unit surface crude salt output, save manual labor; The pure white exquisiteness of quality product, can be used as the well processed raw material of various edible salt product.
Description
Technical field
The present invention relates to the novel process in a kind of day solar salt shan field, particularly utilize seawater, natural unsaturated bittern, after comprising sea water desaltination, condensed water dissolves macrobead raw material salt, is produced the technique of salt by Exposure to Sunlight recrystallization.
Background technology
Traditional southern Exposure to Sunlight salt making technology generally directly utilizes seawater, is progressively clarified, concentrates, slowly obtain saturated bittern, finally introduce crystallization beach again under sunlight and wind effect by pond, each beach; Under suitable illumination and wind effect, revolve halogen turk by hand mixing, crystallization day evaporates brine; After crystallization completes, then receive salt by wooden rake, large bamboo or wicker basket chooses 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 limits throughput.
In northerly day solar salt shan, employing be the mode of long time crystallization, to produce Exposure to Sunlight raw material salt output relatively high, but particle is large, crystal formation nature, shade deviation, and whiteness is less than 40 degree, and impurity is more, and needing to wash processing further by powder could utilize.
Summary of the invention
A technical problem to be solved by this invention is the present situation for prior art, provides a kind of with short production cycle, Exposure to Sunlight recrystallization salt producing craft that production efficiency is high.
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. brewed brine is concentrated: be that the macrobead raw material salt of 2-15mm concentrates heap to stick together by particle diameter, after utilizing seawater, unsaturated bittern or sea water desaltination, condensed water carries out shower, and macrobead raw material salt directly obtains saturated senior bittern after dissolving;
2. carry bittern: by step 1. in the saturated senior bittern that obtains of centralization halogen after clarification, by Cemented filling to pond, each crystallization beach;
3. mechanical turk: utilize mechanical pattern marking machine, at regular time and quantity pond, stirred crystallization beach bittern, turk revolves salt;
4. crystallization row halogen: after 3. middle crystallization completes step, bittern is concentrated to receives salt pond, and gets rid of unnecessary bittern;
5. salt stacking is received: bittern mixture step 4. obtained utilizes brine pump to be delivered to salt and sticks together;
6. bittern recycling: by step 5. in the unnecessary bittern of discharging be back in step guarantor's halogen settling pond 2. and recycle;
7. fortune is gone out: after being drained away the water by step salt buttress 5., adopt excavator transhipment to put salt, make finished product.
Further, through shower halogen, the described step bittern concentration that 1. middle centralization halogen obtains directly can reach 21 ° of B é ~ 27 ° B é.Due to by utilizing seawater, the unsaturated bittern of recovery or sea water desaltination condensed water 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 is 2. at the bottom of middle preferred black plastic salt film place mat pond, pond, crystallization beach.Adopt the technology of black salt film covering at the bottom of crystallizing pond, add Exposure to Sunlight light energy absorption, reduce being mixed into of impurity at the bottom of crystallizing pond; Run into the adverse weather impacts such as heavy rain, pull-up can cover crystallization saline solution, reduce the loss.
Compared with prior art, the invention has the advantages that:
One be creative utilization seawater, the unsaturated bittern of recovery or sea water desaltination condensed water carry out direct shower to oarse-grained raw material salt, do not need the stirring of mechanical means, energy consumption is low, decreases the time of brewed brine simultaneously, and gained bittern is limpid, decrease salt pan brewed brine settling pond area;
Two is that the impurity of macrobead raw material salt can be removed when shower halogen, and the quality of evaporating brine day of crystallization is better;
Three is revolve halogen by the defeated halogen of integrated pipeline, mechanical turk, the mechanical integrated operating process such as windlass, brine pump, achieves machinery and replaces manual operation, improve labor productivity, significantly saved salt pan area simultaneously;
Four is that the novel process unit quantity of labour force reduces 1 times, overall mechanized, reduces the work load of salter, also improves salter and to work condition;
Five are through the product crystal of Exposure to Sunlight recrystallization gained naturally, pure pure white, be rich in several mineral materials and trace element, that the salt product that pulverizing washing dehydration processes is incomparable, can reach following effect after measured: quality meets primary standard of evaporating brine GB day, and whiteness reaches more than 65 degree, output is more than 10 times of tradition day 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 by way of by reference to the accompanying drawings and embodiment the invention will be further described.
Embodiment 1
This Exposure to Sunlight recrystallization salt producing craft, comprises the following steps:
1. brewed brine is concentrated: be that the macrobead raw material salt of 5mm concentrates heap to stick together by particle diameter, utilize seawater, unsaturated bittern or sea water desaltination condensed water to carry out shower, macrobead raw material salt directly obtains the saturated senior bittern that concentration is 21 ° of B é after dissolving;
2. carry bittern: by step 1. in the saturated senior bittern that obtains of centralization halogen after clarification, directly deliver to pond, each crystallization beach by pvc transport pipe;
3. mechanical turk: change the receipts of the crystallizing pond after halogen salt area and be divided into six regions, and laying depth is 0.2m bottom each crystallizing pond, size is 1600m
2black plastic salt film, meanwhile, a turk point is also established in middle position, each region, utilizes mechanical pattern marking machine, and pond, stirred crystallization beach bittern carries out turk and revolves salt, each turk about 30 minutes at regular time and quantity.
4. crystallization row halogen: after 3. middle crystallization completes step, bittern is concentrated to receives salt pond, gets rid of unnecessary bittern;
5. salt stacking is received: bittern mixture step 4. obtained, the receipts salt pump that the patent No. that our company can be utilized to research and develop voluntarily is ZL201120528253.8 is delivered to stacking, the effect of stirring saline mixture can be played by this receipts salt pump, the solid-to-liquid ratio that the saline mixture in transport pipe keeps certain can be made, not easily block in such transport pipe, receive salt efficiency high.
6. bittern recycling: by step 4. in discharge unnecessary bittern be back to huge profit crystallization in step guarantor's halogen settling pond 2.;
7. fortune is gone out: drained away the water by step salt buttress 5., make final moisture≤5%, and adopt excavator transhipment to put salt, make finished product.
The whiteness of evaporating brine final day 68 degree, average annual per mu yield 65 tons, 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: be 7mm macrobead raw material salt by particle diameter, utilize unsaturated bittern shower, centralization halogen obtains the senior bittern that concentration is 24 ° of B é;
2. carry bittern: by step 1. in the senior bittern that obtains of centralization halogen after clarification, directly deliver to pond, each crystallization beach by pvc transport pipe;
3. mechanical turk: change the receipts of the crystallizing pond after halogen salt area and be divided into six regions, and laying depth is 0.3mm bottom crystallizing pond, size is 1800m
2black plastic salt film, meanwhile, a turk point is also established in middle position, each region, utilizes mechanical pattern marking machine, and pond, stirred crystallization beach bittern carries out turk and revolves salt, each turk about 40 minutes at regular time and quantity.
4. crystallization row halogen: after 3. middle crystallization completes step, bittern is concentrated to receives salt pond, gets rid of unnecessary bittern;
5. salt stacking is received: bittern mixture step 4. obtained utilizes model to be delivered to stacking for GMZ centrifugal type slurry pump;
6. bittern recycling: by step 4. in discharge unnecessary bittern be back to huge profit crystallization in step guarantor's halogen settling pond 2.;
7. fortune is gone out: drained away the water by step salt buttress 5., make final moisture≤4%, and adopt excavator transhipment to put salt, make finished product.
The whiteness of evaporating brine final day 65 degree, average annual per mu yield 70 tons, 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: be 10mm macrobead raw material salt by particle diameter, utilize condensed water shower after sea water desaltination, centralization halogen obtains the senior bittern that concentration is 27 ° of B é;
2. carry bittern: by step 1. in the senior bittern that obtains of centralization halogen after clarification, directly deliver to pond, each crystallization beach by pvc transport pipe;
3. mechanical turk: change the receipts of the crystallizing pond after halogen salt area and be divided into six regions, and laying depth is 0.25mm bottom crystallizing pond, size is 2000m
2black plastic salt film, meanwhile, a turk point is also established in middle position, each region, utilizes mechanical pattern marking machine, and pond, stirred crystallization beach bittern carries out turk and revolves salt, each turk about 50 minutes at regular time and quantity.
4. crystallization row halogen: after 3. middle crystallization completes step, bittern is concentrated to receives salt pond, gets rid of unnecessary bittern;
5. salt stacking is received: bittern mixture step 4. obtained utilizes the automatic uniform mixing pollution discharging pump that model is JYWQ to be delivered to stacking;
6. bittern recycling: by step 4. in discharge unnecessary bittern be back to huge profit crystallization in step guarantor's halogen settling pond 2.;
7. fortune is gone out: drained away the water by step salt buttress 5., make final moisture≤3%, and adopt excavator transhipment to put salt, make finished product.
The whiteness of evaporating brine final day 70 degree, average annual per mu yield 60 tons, 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. brewed brine is concentrated: be that the macrobead raw material salt of 2-15mm concentrates heap to stick together by particle diameter, utilize seawater, unsaturated bittern or sea water desaltination condensed water to carry out shower, macrobead raw material salt directly obtains saturated senior bittern after dissolving;
2. carry bittern: by step 1. in the saturated senior bittern that obtains of centralization halogen after clarification, directly deliver to pond, each crystallization beach by transport pipe;
3. mechanical turk: utilize mechanical pattern marking machine, at regular time and quantity pond, stirred crystallization beach bittern, turk revolves salt;
4. crystallization row halogen: after 3. middle crystallization completes step, bittern is concentrated to receives salt pond, gets rid of unnecessary bittern;
5. salt stacking is received: bittern mixture step 4. obtained utilizes brine pump to be delivered to heap and sticks together;
6. bittern recycling: by step 4. in discharge unnecessary bittern be back to huge profit crystallization in step guarantor's halogen settling pond 2.;
7. fortune is gone out: drained away the water by step salt buttress 5., 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, and the described step bittern concentration that 1. middle centralization halogen obtains directly can 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 is 2. at the bottom of middle preferred black plastic salt film place mat pond, pond, crystallization beach.
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| CN104016377B true CN104016377B (en) | 2015-10-28 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN108211413B (en) * | 2017-12-27 | 2020-07-21 | 地矿集团格尔木盐湖资源开发有限公司 | Solid-liquid separation and heaping-emptying technical method for purifying mineral salt blocks |
| CN113044858A (en) * | 2021-03-16 | 2021-06-29 | 姜秉严 | TGC crystallization process for salt pan |
| 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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| CN1062123A (en) * | 1991-12-27 | 1992-06-24 | 张子明 | System halogen high yield technique is shone on the seawater beach |
| JP2002173322A (en) * | 2000-12-01 | 2002-06-21 | Someya:Kk | Method for manufacturing salt |
| CN101327940A (en) * | 2007-06-21 | 2008-12-24 | 天津长芦海晶集团有限公司 | Process for preparing solar salt from purified saturated bittern as raw material |
| CN103539160A (en) * | 2013-10-28 | 2014-01-29 | 国家海洋局天津海水淡化与综合利用研究所 | Method for preparing salt from brine in solar pond |
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2014
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Patent Citations (4)
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|---|---|---|---|---|
| CN1062123A (en) * | 1991-12-27 | 1992-06-24 | 张子明 | System halogen high yield technique is shone on the seawater beach |
| JP2002173322A (en) * | 2000-12-01 | 2002-06-21 | Someya:Kk | Method for manufacturing salt |
| CN101327940A (en) * | 2007-06-21 | 2008-12-24 | 天津长芦海晶集团有限公司 | Process for preparing solar salt from purified saturated bittern as raw material |
| CN103539160A (en) * | 2013-10-28 | 2014-01-29 | 国家海洋局天津海水淡化与综合利用研究所 | Method for preparing salt from brine in solar pond |
Non-Patent Citations (2)
| Title |
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| 原盐颗粒过细带来的问题;李文君;《氯碱工业》;19941231(第1期);第7页左栏"一、原盐引起的一系列问题"部分和右栏"解决办法"部分 * |
| 广西海水晒盐工艺研究——以广西北海市铁山港区北暮盐场为例;黄招扬;《广西民族大学学报（自然科学版）》;20080831;第14卷(第3期);正文第43-45页第2.2节 * |
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