Industrialization method for comprehensive utilization of coastal mud flat, seawater, wind energy and solar energy

Abstract

The invention relates to an industrialization method for comprehensive utilization of coastal mud flat, seawater, wind energy and solar energy. Seawater, wind energy and solar energy resources are fully utilized, sea salt open-air crystallization process operation is changed into indoor crystallization process operation, mechanization and automation are realized, open-air solar pond spraying three-dimensional evaporation and concentration brine preparation is automatically controlled, and energy conservation and environmental protection are realized. Labor is saved, and labor efficiency is improved. In the traditional process, only salt and waste brine are produced by evaporating and concentrating seawater in a beach field; in the prior art, clean energy, fresh water and low-sodium beverage are used, marine vegetables are planted, fishes, shrimps and artemia are cultured, artemia protein, multi-variety multifunctional sea crystal salt, water-soluble fertilizer and aquaculture nutrient solution are produced, dunaliella salina is cultivated, and carotene and other dozens of products are produced by using the dunaliella salina.

Description

technical field [0001] The invention relates to the technical field of comprehensive utilization of resources and clean energy, and more specifically relates to a method for the industrialization of comprehensive utilization of coastal tidal flats, seawater, wind energy and solar energy. Background technique [0002] (1) The resource utilization rate is low, resulting in a great waste of resources. [0003] The traditional open-air beach drying process requires about 45m3 of 3.5°Bé seawater to produce 1 ton of sea salt theoretically, but because of the open-air beach drying and land leakage, more than 70m3 has to be used. After many steps and multiple days of open-air beach drying , and finally get 1 ton of sea salt and 1.3m 3 Saturated waste brine, if the 1.3m 3 Saturated waste brine is processed into other chemical products, and the industrial output value including sea salt does not exceed 700 yuan, and 1 ton of sea salt requires 70m of seawater 3 , seepage accounted f...

AI Technical Summary

Problems solved by technology

For example, Leizhou and Xuwen in Zhanjiang City occupy a land area of ​​140-160 hectares with an annual output of 10,000 tons of salt, and an area of ​​220-240 hectares with an annual output of 10,000 tons of salt from the north of Zhanjiang City to the eastern part of Guangdong Province. The annual industrial output value of 10,000 tons of salt is about 5 million yuan, and the output value per unit area of ​​salt production using land resources is very low, which is also a great waste

[0005] (2) The equipment is backward, the degree of machinery is low, and the labor load of manual operation is heavy

Generally, a salt field with an annual output of 100 tons of salt needs to be equipped with 1.5 laborers. In addition to the machinery for pumping water, salt collection and salt transportation have to be manually operated. Heavy load, hard to hire workers

[0007] (3) The disaster resistance ability of the process and equipment operation is poor, and the loss of salt and brine is large

[0008] In the traditional southern open-air beach sun-dried salt production, in order to improve the ability of brine making and crystallization, the depth of sun-dried water in the general beach pool is about 8 to 15 cm, and the open-air shallow sun is poor in disaster resistance. Cause the phenomenon of dissolved salt damage brine, large production loss, generally more than 12% of the total annual production

[0009] (4) Seawater resources are not fully utilized, the products are of low value and have a single structure, and the economic benefits of enterprises are poor

Due to the scattered salt fields in the south, it is difficult to collect waste brine, and there is no comprehensive utilization and no new economic growth point; the product is coarse salt, with a lot of insoluble matter, which does not meet the food hygiene standards, and the industrial output value is low; the storage tank of the salt field has a large area and no Use space for photovoltaic power generation and wind power generation to increase income, and do not make full use of waters with different concentrations for planting and breeding, such as artemia, sea vegetables, salina and the use of salina to produce red carotene and other products with good economic benefits

[0011] (5) Sea salt is not used as a carrier, and high-tech is used for deep processing of sea salt derivatives to increase output value

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