Electroplating reclaimed water recycling and treating system

A treatment system and reclaimed water technology, applied in the field of water treatment, can solve the problems of excessive heavy metal substances, secondary pollution, unstable effluent quality, etc., and achieve the effects of protecting the environment, saving production costs, good economic benefits and social benefits

Active Publication Date: 2010-09-22
ZHUHAI LANJIN ENVIRONMENTAL PROTECTION TECHCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of treatment process cannot recover valuable substances such as precious metals in wastewater, and the water quality after treatment is unstable,

Method used

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  • Electroplating reclaimed water recycling and treating system
  • Electroplating reclaimed water recycling and treating system

Examples

Experimental program
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Embodiment Construction

[0018] like figure 1 As shown, the electroplating water reuse treatment system includes a control device and an interconnected pre-regulation system, an ultrafiltration treatment system and a reverse osmosis treatment system. The pre-regulation system includes an interconnected ORP (oxidation-reduction potential) adjustment device and PH adjustment device, the ORP adjustment device includes ORP adjustment box 21, reducing agent metering pump 26, reducing agent tank 27 and agitator, the electroplating wastewater enters the clear water pool after being treated to reach the discharge standard, and is transported to the clean water tank by the lift pump 23 ORP adjustment box 21; the ultrafiltration treatment system includes an interconnected ultrafiltration water supply pump 19, a quartz sand filter 18, a precision filter 17, an ultrafiltration membrane assembly 14, an ultrafiltration backwash pump 11 and an ultrafiltration water tank 10, The pH adjustment device includes a pH adj...

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Abstract

The invention relates to an electroplating reclaimed water recycling and treating system, comprising a control device, a preposed adjusting system, an ultrafiltering treating system and a reverse osmosis treating system, wherein the preposed adjusting system, the ultrafiltering treating system and the reverse osmosis treating system are mutually communicated, the preposed adjusting system comprises an ORP (Oxidation-Reduction Potential) adjusting system and a PH adjusting device; the ORP adjusting system comprises an ORP adjusting tank, a reducing agent metering pump, a reducing agent tank and a stirrer; the ulatrafiltering system comprises a water pump, a quartz sand filter, a precise filter and an ultrafiltering membrane assembly; and the reverse osmosis system comprises a water pump, an active carbon filter, a scale inhibitor adding device, a safety filter, a first section of high-pressure pump, a second section of high-pressure pump, a reverse osmosis membrane assembly and a water purified tank. By adopting a device combining membrane separation and the filter to treat the electroplating reclaimed water, the invention has the advantages of favorable treatment effect, low operation cost, convenient operation and capability of long-term continuous operation; and in addition, the invention meets the requirements of environmental protection and cleaning electroplating, not only reduces the pollution and saves the production cost, but also can fully utilize water resources and protect the environment.

Description

technical field [0001] The invention relates to the field of water treatment, in particular to an electroplating water reuse treatment system that treats electroplating wastewater and reuses it in production to make full use of water resources. Background technique [0002] The electroplating cleaning water in the electroplating factory contains a lot of heavy metal ions. If it is discharged without treatment or the treatment is not up to standard, the wastewater will pollute the water source and the environment, which will not only endanger human health, but also cause the deterioration of the ecological environment. On the other hand, electroplating wastewater contains valuable substances such as precious metals or heavy metals. If recycled, it can not only reduce pollution, but also reduce production costs and save water resources. [0003] At present, the existing electroplating wastewater treatment devices generally add various chemical agents to the wastewater, and adj...

Claims

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Application Information

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IPC IPC(8): C02F9/04C02F1/66C02F1/44C02F1/28
Inventor 吴志文
Owner ZHUHAI LANJIN ENVIRONMENTAL PROTECTION TECHCO
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