Coal mine high-salt-content mine water comprehensive utilization method for desert paddy field and marine product aquaculture water supply

A technology for mariculture and paddy fields, applied in rice cultivation, water/sewage treatment, chemical instruments and methods, etc., can solve problems such as high processing costs, low utilization rate of mine water, and environmental pollution, so as to avoid environmental pollution and ensure COD index and ammonia nitrogen index, the effect of saving water resources

Pending Publication Date: 2020-01-10
西安溯源环境科技有限公司
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Problems solved by technology

At present, the research on the comprehensive utilization of mine water in China is still in the exploratory stage. The utilization rate of mine water is low, and the treatment cost of mine water with high salinity and high suspended matter is relatively high. Therefore, most coal mines still directly discharge mine water. cause environmental pollution

Method used

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  • Coal mine high-salt-content mine water comprehensive utilization method for desert paddy field and marine product aquaculture water supply
  • Coal mine high-salt-content mine water comprehensive utilization method for desert paddy field and marine product aquaculture water supply
  • Coal mine high-salt-content mine water comprehensive utilization method for desert paddy field and marine product aquaculture water supply

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Embodiment Construction

[0030] The present invention will be further described in detail below in conjunction with the examples, which are explanations of the present invention rather than limitations.

[0031] Such as figure 1 and figure 2 As shown, a method for comprehensive utilization of high-salt mine water in coal mines for water supply in desert paddy fields and marine aquaculture comprises the following steps:

[0032] S1: Coagulate and settle the high-salt mine water, and then filter the high-salt mine water through the RO membrane to separate most of the salt in the water to obtain fresh water and concentrated brine respectively; among them, the RO membrane includes Cylindrical ABS shell and RO ultrafiltration membrane core set concentrically in the ABS shell, the two ends of the ABS shell are respectively provided with a water inlet and a concentrated brine discharge port, and the side wall of the ABS shell is provided with a fresh water discharge port. For the input of high-salt mine w...

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Abstract

The invention belongs to the technical field of mine water treatment and subsidence area ecological treatment and discloses a coal mine high-salt-content mine water comprehensive utilization method for desert paddy field and marine product aquaculture water supply. The method includes that after coagulating sedimentation and RO membrane filtration of coal mine high-salt-content mine water, two branches of water namely fresh water and strong brine are generated, and the fresh water is used for freshwater fish aquaculture and desert paddy field irrigation while the strong brine is used for aquaculture of marine products and alga products. Therefore, environmental protection is realized, the coal mine high-salt-content mine water is utilized fully, a high-added-value economic industry is formed, and an 'associated resource' recycling characteristic is embodied completely.

Description

technical field [0001] The invention belongs to the technical field of mine water treatment and ecological management of subsidence areas, and relates to a method for comprehensive utilization of high-salt mine water in coal mines for supplying water to desert paddy fields and marine aquaculture. Background technique [0002] The loss of groundwater resources caused by mine development and the pollution of surface water bodies and the environment caused by mine water discharge have always been one of the major issues that mining companies are committed to solving, and they are also ecologically sensitive issues of great concern to the society. At present, the research on the comprehensive utilization of mine water in China is still in the exploratory stage. The utilization rate of mine water is low, and the treatment cost of mine water with high salinity and high suspended matter is relatively high. Therefore, most coal mines still directly discharge mine water. cause enviro...

Claims

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Application Information

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IPC IPC(8): A01K63/00A01K63/04A01G22/22A01G33/00C02F9/04C02F9/08C02F9/14C02F101/20C02F103/20
CPCA01G33/00A01K63/003A01K63/045A01G22/22C02F1/00C02F1/001C02F1/441C02F1/444C02F1/46C02F1/52C02F1/725C02F3/02C02F3/322C02F7/00C02F9/00C02F2101/20C02F2103/20Y02A40/80
Inventor 潘磊赵正佳张鹏
Owner 西安溯源环境科技有限公司
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