Processing system for industrial wastewater
A technology for treating system and industrial wastewater, applied in the direction of metallurgical wastewater treatment, multi-stage water treatment, water/sewage treatment, etc., can solve the problems of high treatment cost, high power consumption, large consumption of electrode plates, etc., and achieve good treatment effect. , Low operation and maintenance costs, and the effect of reducing material consumption
Active Publication Date: 2016-10-26
山东淇水环保科技有限公司
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Problems solved by technology
The advantages of the electrochemical method are: no need to add redox reagents, fast reaction speed, small footprint, easy to realize automatic operation, etc.; but its disadvantages are high power consumption, large electrode plate consumption, high processing cost, and easy electrode Concentration polarization occurs, resulting in fouling, etc.
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[0030] Such as figure 1 As shown, the treatment system for removing zinc in electroplating wastewater includes 1-collection well, 2-coarse grid, 3-primary sedimentation tank, 4-pH value adjustment tank, 5-metal spherical micro-current attraction salinization and zinc removal Reactor, 6-aeration tank, 7-biological oxidation filter, 8-secondary sedimentation tank, 9-water purification tank; among them, after the pH value adjustment treatment (the pH value after treatment) contains zinc The ionic electroplating wastewater enters the water collection well 1 through the waste water pipeline, where it is collected and preliminarily stabilized. The outlet of the water collection well 1 is connected to the coarse grid 2 through the waste water pipeline, where large-diameter solid substances in the wastewater are removed, and the coarse grid The outlet of 2 is connected to the primary sedimentation tank 3 through the wastewater pipeline, where the insoluble substances in the wastewater...
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Abstract
The invention discloses a processing system for industrial wastewater. The system comprises a water-collecting well, a coarse grid, a first sedimentation basin, a pH value adjusting tank, a metal spherical micro-current attraction salinization reactor, an aeration basin, a biological oxidation filter tank, a secondary sedimentation basin and a clean water tank. Creativity of the method is that a special electromagnetism induction phenomenon is utilized. When metal balls are in perpendicular magnetic-induction-line-cutting motion in the magnetic field, a faraday effect is generated, and micro-current circulation is formed on surfaces of the metal balls. Zinc ions in water are attracted and gradually gather on the surfaces of the balls, and therefore the zinc ion concentration at a local part is increased and the chemical balance is disturbed. The zinc ions break away from a solution and are subjected to a salinization reaction on the surfaces of the metal balls. The zinc ions combine with negative ions in the solution to produce inorganic salt, which is attached to the surfaces of the metal balls, thereby achieving the purpose of removing zinc ions from wastewater. Meanwhile, the metal balls with the zinc salt attached can be regenerated through processes, such as grinding and cleaning, and can be reused.
Description
technical field [0001] The invention relates to a treatment system for industrial waste water, which belongs to the field of waste water treatment in environmental protection. Background technique [0002] The electroplating industry is an important processing industry in my country, and it has developed rapidly in the past ten years. However, due to the lack of overall and complete planning for the distribution and development of my country's electroplating industry for a long time, it has resulted in a difficult situation with many factories, small scale, low degree of specialization, and poor efficiency on the one hand, and serious pollution in the electroplating industry on the other hand. [0003] According to the current statistical data, there are about 15,000 electroplating factories in my country, and the annual average discharge of electroplating wastewater is as high as 4 billion tons, accounting for one-sixth of the total industrial wastewater discharge, but abou...
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IPC IPC(8): C02F9/14C02F103/16
CPCC02F1/001C02F1/484C02F1/52C02F1/66C02F3/02C02F9/00C02F2001/007C02F2101/20C02F2103/16C02F2201/483C02F2203/006C02F2209/06C02F2209/08C02F2301/08C02F2303/14
Inventor 王尧尧
Owner 山东淇水环保科技有限公司