Coal chemical high brine purification, evaporative crystallization and recovery technology and special-purpose equipment
A technology of evaporative crystallization and special equipment, applied in chemical instruments and methods, oxidized water/sewage treatment, inorganic chemistry, etc., can solve the problems of turning waste into treasure, environmental pollution, and low treatment efficiency, and achieve environmental protection and economic effects. significant effect
Active Publication Date: 2015-03-11
深圳能源资源综合开发有限公司 +1
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[0005] The purpose of the present invention is to provide a coal chemical high salt water purification and evaporation crystallization recovery process and its special equipment for the existing technical defects of low coal chemical high salt water treatment efficiency and easy to cause environmental pollution, using special material membrane concentration and separation , impurity removal, degassing, and oxidation technologies are used to purify high-salt water in coal chemical industry, evaporate and crystallize it, and recover industrial salt, which not only protects the environment, but also turns waste into treasure, realizes resource utilization, and has remarkable economic effects
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[0030] as attached figure 2 As shown, the special equipment used for the above-mentioned coal chemical high brine purification and evaporation crystallization recovery process includes material membrane system 1, impurity removal equipment 2, degassing equipment 3, oxidation equipment 4, evaporation crystallization system 5; auxiliary equipment includes original Pool 6, first water inlet pump 7, precision filter 8, high pressure pump 9, material membrane module 10, intermediate pool 11, second water inlet pump 12, first mixer 13, pH controller 14, second mixer 15, ORP monitoring Device 16, evaporation tank 17, crystallization tank 18, centrifugal separator 19, dryer 20, water production tank 21, sludge treatment system 22, concentrated water tank 23, industrial salt recovery bag 24;
[0031] The output end of the raw water pool 6 is connected to a precision filter 8, and an inlet pump 7 is installed on the connecting pipeline between the raw water tank 6 and the precision fil...
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The invention relates to a coal chemical high brine purification, evaporative crystallization and recovery technology and special-purpose equipment. The technology employs a concentration, separation, impurity removal, degassing and oxidation method of special material membrane for purifying high brine, the high brine is performed with evaporative crystallization, then industrial salt is recovered. According to the invention, environment is protected, waste can be changed into valuables, resource utilization is realized, and economic effect is obvious.
Description
technical field [0001] The invention belongs to the technical field of coal chemical wastewater treatment, and specifically relates to a coal chemical high salt water purification and evaporation crystallization recovery process and its special equipment. Background technique [0002] The modern coal chemical industry is a new type of industry that takes coal as raw material, converts coal into gas, liquid and solid products through chemical processing, and further processes it into a series of chemical products. It mainly includes coal gasification, coal liquefaction, tar chemistry, and calcium carbide acetylene chemistry. In recent years, the coal chemical industry has developed rapidly. The problem of environmental protection has become increasingly prominent, especially in areas with a lot of drought and little rain. Therefore, the environmental protection problems of coal chemical industry urgently need to be solved. [0003] To solve the environmental protection prob...
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IPC IPC(8): C02F9/10C01D3/06C01D5/00
CPCC01D3/06C01D5/00C02F1/04C02F1/20C02F1/44C02F1/66C02F1/72C02F9/00C02F2001/5218
Inventor 兰建伟潘文刚江晶苏志峰夏俊方张水水赵剑锋徐文军陆魁肖龙博
Owner 深圳能源资源综合开发有限公司