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Mixed bed regenerated high-salinity wastewater zero discharging treatment device

A high-salt wastewater and treatment device technology, applied in the field of high-salt wastewater treatment, can solve the problems of poor recovery effect and difficult recovery of high-salt wastewater, and achieve high utilization rate, thorough filtration and separation treatment

Pending Publication Date: 2017-06-27
ZIBO GERUI WATER TREATMENT ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The invention provides a mixed-bed regenerated high-salt wastewater zero-discharge treatment device, which is used to solve the technical problems in the prior art that the recovery of high-salt wastewater is difficult and the recovery effect is poor

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  • Mixed bed regenerated high-salinity wastewater zero discharging treatment device
  • Mixed bed regenerated high-salinity wastewater zero discharging treatment device

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with accompanying drawing.

[0037] figure 1 It is a schematic structural diagram of a mixed-bed regenerated high-salt wastewater zero-discharge treatment device in an embodiment of the present invention; figure 1 As shown, the present invention provides a mixed-bed regenerated high-salt wastewater zero-discharge treatment device, including a pre-treatment unit 1, a concentration treatment unit 2 and a fresh water tank 3; the concentration treatment unit 2 includes a nanofiltration concentration device 21 and a resource recovery device 22, The input end of the nanofiltration concentration device 21 is connected to the pipeline of the pretreatment unit 1, and the output end is connected to the pipeline of the resource recovery device 22; Pipe connection.

[0038] In the present embodiment, the concentrated treatment unit 2 also includes a concentrated membrane stack 23, and the concentrated membrane s...

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Abstract

The invention relates to the technical field of high-salinity wastewater treatment, in particular to a mixed bed regenerated high-salinity wastewater zero discharging treatment device and solves technical problems of high difficulty in high-salinity wastewater reclamation and poor reclamation effects in the prior art. The mixed bed regenerated high-salinity wastewater zero discharging treatment device comprises a pre-treatment unit, a concentration treatment unit and a fresh water tank. The concentration treatment unit comprises a nanofiltration concentration device and a recycling device. After wastewater passes through the nanofiltration concentration device, water molecules and a small part of dissolved salts pass through a nanofiltration membrane to be delivered into the fresh water tank through a fresh water pipe, and remaining thick water is delivered into the recycling device to be subjected to separation treatment. Therefore, the wastewater is filtered and separated more thoroughly to achieve a higher utilization ratio.

Description

technical field [0001] The invention relates to the technical field of high-salt wastewater treatment, in particular to a mixed-bed regenerated high-salt wastewater zero-discharge treatment device. Background technique [0002] Mixed bed regeneration wastewater refers to the wastewater generated during the regeneration of anion and cation resins in the single-stage reverse osmosis + mixed bed (anion and cation bed) desalinated water preparation process. When preparing desalinated water, the resin gradually becomes saturated while exchanging anions and cations continuously. When the resin is saturated, it loses its ability to produce water. At this time, the anion and cation resins are regenerated with alkali and acid respectively, and hydrogen ions are replaced by cations. Oxygen ions replace anions, and a large amount of high-salt wastewater is produced during resin regeneration (residual ions in the water are basically monovalent ions, sodium and chloride ions). If these w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/06
CPCC02F9/00C02F2301/08C02F2201/007C02F2201/461C02F1/441C02F1/469C02F1/444C02F1/442C02F1/46104C02F1/001
Inventor 慕史臣
Owner ZIBO GERUI WATER TREATMENT ENG
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