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Device for treating industrial mercury-containing wastewater containing high-concentration chlorides and control method

A chloride, high-concentration technology, applied in water treatment parameter control, chemical instruments and methods, filtration treatment, etc., can solve the problems of secondary pollution, complex process, restricting industrial application, difficult operation, etc., and achieve good mercury removal effect. , The effect of reducing treatment costs and no secondary pollution

Active Publication Date: 2016-08-31
芜湖市科邦新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods have many disadvantages such as secondary pollution, complex process, difficult operation, high cost, etc., which restrict their wide industrial application; so it is necessary to propose a new device to deal with the current situation

Method used

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  • Device for treating industrial mercury-containing wastewater containing high-concentration chlorides and control method

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Effect test

Embodiment 1

[0036] Embodiment 1: In conjunction with Figure 1, a device for treating industrial mercury-containing wastewater containing high concentrations of chlorides, including heavy metal online automatic analyzer 1, PLC process intelligent feedback control system 2, mercaptan composite inorganic ceramic filter tower 3, drug storage Tank 4, buffer pool 5, filter 6, pH automatic adjustment control system 7, adsorption tower 8, ion exchange tower 9; described heavy metal online automatic analyzer 1 is arranged at the port of the water inlet pipe, and described heavy metal online automatic analyzer 1 one end is connected with mercaptan composite inorganic ceramic filter tower 3 by pipeline; The other end of described heavy metal online automatic analyzer 1 is connected with mercaptan composite inorganic ceramic filter tower 3 by PLC process intelligent feedback control system 2; The alcohol composite inorganic ceramic filter tower 3 is connected to the buffer pool 5 through a pipeline; a...

Embodiment 2

[0050] Example 2: A certain industrial mercury-containing wastewater enters the system, and the mercury concentration in the wastewater is measured by the heavy metal online automatic analyzer to be 120 mg / L. The PLC process intelligent feedback control system is automatically opened and set in the PLC process intelligent feedback control system and mercaptan compound Electromagnetic valves are also installed between the inorganic ceramic filter towers. Mercury wastewater flows into the mercaptan composite inorganic ceramic filter towers, and the mercury concentration in the effluent is reduced to below 50mg / L. NaClO is added to the drug storage tank and flows into the buffer pool together. Mixed reaction in the medium, then go through anthracite and quartz sand double-layer filter to remove impurities, adjust the pH to 2.3 through the pH automatic adjustment control system, and then go through the adsorption tower to remove free chlorine, so that the concentration of free chlor...

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Abstract

The invention discloses a device for treating industrial mercury-containing wastewater containing high-concentration chlorides and a control method. The device comprises a heavy metal online automatic analyzer, a PLC (Programmable Logic Controller) process intelligent feedback control system, a mercaptan composite inorganic ceramic filtering tower, a medicine storage pot, a buffer pool, a filter, a pH automatic modulation control system, an adsorption tower and an ion exchange tower; the heavy metal online automatic analyzer is arranged at an end opening of a water inlet pipe; one end of the heavy metal online automatic analyzer is connected with the mercaptan composite inorganic ceramic filtering tower through a pipeline; the mercaptan composite inorganic ceramic filtering tower is connected with the buffer pool through a pipeline; the medicine storage pot is arranged between the mercaptan composite inorganic ceramic filtering tower and the buffer pool; the buffer pool is connected with the filter through a pipeline; the filter is connected with the adsorption tower a the pipeline; the adsorption tower is connected with the ion exchange tower through a pipeline. According to the device and the control method disclosed by the invention, the intelligentization of the system is realized; meanwhile, the quality of water discharged from the system is improved, the treatment cost is reduced, a good mercury removing effect is realized, and no secondary pollution is caused.

Description

technical field [0001] The invention belongs to the technical field of industrial wastewater treatment, and in particular relates to a device and a control method for treating industrial mercury-containing wastewater containing high-concentration chlorides. Background technique [0002] Mercury pollution is global heavy metal pollution, which is extremely harmful to the environment and human beings. Humans have a long history of using mercury. After the industrial revolution, they are widely used in industrial and agricultural production, metallurgy, chemical industry, etc. Mercury-containing wastewater mainly comes from In chlor-alkali industry, electronics industry, plastics industry, thermal instrumentation manufacturing industry, pesticide industry, dye industry, metallurgical industry, battery manufacturing industry, chemical industry, chemical pharmaceutical industry, paint and pigment industry, etc. According to statistics, there are more than 80 kinds of industries i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/04C02F101/20
CPCC02F1/00C02F1/001C02F1/283C02F1/42C02F1/66C02F9/00C02F2209/005
Inventor 于鹏飞叶友林李希王勇勇
Owner 芜湖市科邦新能源科技有限公司
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