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In-depth treatment zero-discharge recovery equipment for heavy metal waste water

A technology for advanced treatment and recycling equipment, which is applied in the direction of heating water/sewage treatment, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc., which can solve the problems of unsatisfactory actual effect and achieve high cost performance and long service life of equipment Long-lasting, wide-ranging effects

Inactive Publication Date: 2014-01-15
HAIZHOU E P GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Existing heavy metal treatment equipment often can only treat and recycle one type of heavy metal, or treat wastewater according to a specific water quality, and cannot simultaneously process and recycle wastewater of various natures, and the actual effect is not satisfactory.

Method used

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  • In-depth treatment zero-discharge recovery equipment for heavy metal waste water

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with accompanying drawing:

[0022] Such as figure 1 , a heavy metal wastewater advanced treatment zero-emission recovery equipment includes sequentially connected pretreatment equipment, the first security filter 5, ultrafiltration equipment 6, ultrafiltration pool 7, activated carbon filter 8, second security filter 9, reverse osmosis Device 10 and reuse water pool 11, two backwash water outlets of described ultrafiltration water pool 7 are respectively connected with the backwash water inlet of ultrafiltration equipment 6 and the backwash water inlet of active carbon filter 8, and the backwash water inlet of reuse water pool 11 The flushing water outlet is connected with the backwashing water inlet of the reverse osmosis device 10 .

[0023] The pretreatment equipment includes a once-connected regulating tank 1, a fully automatic water purifier 2, an intermediate pool 3 and a multimedia filter 4, a...

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Abstract

The invention provides in-depth treatment zero-discharge recovery equipment for heavy metal waste water. The equipment is characterized by comprising a pretreatment device, a first security filter (5), an ultra-filtration device (6), an ultra-filtration water tank (7), an activated carbon filter (8), a second security filter (9), a reverse osmosis device (10) and a reuse water tank (11), which are sequentially connected; two backwashing water outlets of the ultra-filtration water tank (7) are respectively connected with a backwashing water inlet of the ultra-filtration device (6) and a backwashing water inlet of the activated carbon filter (8), and a backwashing water outlet of the reuse water tank (11) is connected with a backwashing water inlet of the reverse osmosis device (10). The invention has the advantages of great output of water, high recovery efficiency, small yield of salt and clean recovery of sludge.

Description

technical field [0001] The invention relates to the field of environmental protection equipment, in particular to zero-discharge recovery equipment for advanced treatment of heavy metal wastewater. The present invention is mainly used in the recycling project of wastewater containing heavy metal ions and heavy metal ions, the recycling project of production wastewater containing salt, the recycling project of mixed bed and anion-yang bed regeneration wastewater in pure water preparation stations, and the desalination recycling project of other projects. Use engineering. [0002] The single device (pressure water purifier) ​​in the present invention can be used as the main treatment facility of the water supply purification station, directly treat surface water such as river water and reservoir water into production water, and the ultrafiltration device can be used as the depth of various reclaimed water treatment Handle equipment. Reverse osmosis can be used as pretreatment ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/04C02F9/10C02F11/12C02F1/44C02F1/52C02F1/50C02F1/04
Inventor 黄生根
Owner HAIZHOU E P GRP CO LTD
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