A zero-discharge recycling treatment device for electroplating heavy metal wastewater

By designing a flocculation unit including a treatment tank, a filtration component and a power component, the problem of blockage and inability to be cleaned online in the electroplating heavy metal wastewater treatment device is solved, and efficient wastewater treatment and equipment operation are achieved.

CN116216888BActive Publication Date: 2025-03-21YANGZHONG HONGFEI PLATING CO LTD
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Patent Information

Application Number
CN202310308392.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-03-27
Publication Date
2025-03-21
Estimated Expiration
2043-03-27

AI Technical Summary

Technical Problem

The existing electroplating heavy metal wastewater treatment device cannot be cleaned online when the filter unit is blocked, and must be shut down, which affects the treatment efficiency.

Method used

A zero-discharge recycle treatment device for electroplating heavy metal wastewater including a flocculation unit is designed, which includes a treatment tank, a filtration assembly and a power assembly. The filter assembly includes a filter cartridge, a liquid inlet branch and a cleaning assembly. The liquid inlet branch can drive the flocculant to fully mix with wastewater, and automatically clean the filter cartridge during the filtration process to avoid clogging.

Benefits of technology

It realizes efficient mixing of flocculant and wastewater and online cleaning of filter cartridges, avoids equipment shutdown and maintenance, and improves the treatment efficiency of electroplating heavy metal wastewater.

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Abstract

The invention discloses a zero-discharge reuse treatment device for electroplating heavy metal wastewater, which relates to the technical field of electroplating heavy metal wastewater treatment, including a flocculation unit; the flocculation unit includes a treatment tank, a filter assembly and a power assembly; the filter assembly is connected with a discharge main pipe and a liquid inlet main pipe; the filter assembly includes a filter cartridge, a liquid inlet branch pipe, and a cleaning assembly; a plurality of filter cartridges are arranged in an array; the filter cartridge includes a solid pipe section and a mesh section; the liquid inlet branch pipe includes a first branch pipe, a rotating branch pipe, a second branch pipe, a third branch pipe and a solid shaft connected in a straight line; the liquid inlet branch pipe can flow into a liquid prepared by a flocculant to improve the mixing effect of the flocculant and the wastewater, and can also spray the filter cartridge to avoid clogging of the filter cartridge; a discharge branch pipe is provided at the end of the filter cartridge extending out of the filter tank, and the apertures of the plurality of filter cartridges are different. By discharging materials from the discharge branches at different heights, different filtering effects can be guaranteed, the device has strong applicability, simple structure and convenient operation.
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