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A reclaimed water source circulating water drainage sewage reuse system

A technology for circulating water and sewage, which is applied in the fields of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc. It can solve the problems of difficult reuse, membrane system fouling, serious problems, etc. Achieve the effect of improving biodegradability and reducing the content of refractory organic matter

Active Publication Date: 2016-11-16
XIAN TPRI WATER & ENVIRONMENTAL PROTECTION
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AI Technical Summary

Problems solved by technology

[0002] Circulating water sewage is used as the drainage of the circulating cooling system. Its water quality has the characteristics of high salt content, suspended solids, alkalinity and hardness. According to the characteristics of circulating water sewage water quality, the more common circulating water sewage treatment system at this stage is : coagulation clarification, ultrafiltration-reverse osmosis, electrocoagulation-sedimentation-ultrafiltration-reverse osmosis, etc., but the existing treatment system has poor operation stability, serious fouling of the membrane system, and the system recovery rate is generally 50% to 70%. around, and the circulating cooling system replenishes the surface water with better water quality
For reclaimed water source circulating water sewage, the water quality is higher than that of surface water as supplementary water with higher organic matter content and more serious fouling of the membrane, so it is more difficult to reuse and the system recovery rate is lower

Method used

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  • A reclaimed water source circulating water drainage sewage reuse system

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Embodiment Construction

[0024] The present invention is described in further detail below in conjunction with accompanying drawing:

[0025] refer to figure 1 , the reclaimed water source circulating water drainage sewage recycling system of the present invention comprises the reclaimed water source circulating water drainage sewage pool 1, an ozone reaction system, a biological activated carbon reaction system, an intermediate water tank 8, a dosing system, a sedimentation tank 10, a hydrochloric acid adding medicine device 17, regulating pool 16, ultrafiltration system 19, reverse osmosis water supply tank 20, reverse osmosis scale inhibitor dosing device 23, reverse osmosis system 22 and desalinated water tank 24; The water port is connected to the water inlet of the ozone reaction system, the water outlet of the ozone reaction system is connected to the water inlet of the sedimentation tank 10 through the biological activated carbon reaction system and the intermediate water tank 8 in turn, and t...

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Abstract

The invention discloses a reclaimed water source circulating wastewater recycle system which includes a reclaimed water source circulating wastewater pool, an ozone reaction system, a biological activated carbon reaction system, an intermediate water tank, a dosing system, a settling pond, a hydrochloric acid dosing device, a regulating water pond, a ultrafiltration system, a reverse osmosis water supply tank, a reverse osmosis antiscalant dosing device, a reverse osmosis system, a demineralized water tank, a nanofiltration feedtank, a nanofiltration antiscalant dosing device, a nanofiltration system and a nanofiltration concentrated water tank. The reclaimed water source circulating wastewater recycle system can effectively reduce organic matters difficult to degrade in the reclaimed water source circulating wastewater and improve the recovery rate of the reclaimed water source circulating wastewater.

Description

technical field [0001] The invention belongs to the technical field of waste water treatment and reuse, and relates to a reclaimed water source circulating water drainage sewage reuse system. Background technique [0002] Circulating water sewage is used as the drainage of the circulating cooling system. Its water quality has the characteristics of high salt content, suspended solids, alkalinity and hardness. According to the characteristics of circulating water sewage water quality, the more common circulating water sewage treatment system at this stage is : coagulation clarification, ultrafiltration-reverse osmosis, electrocoagulation-sedimentation-ultrafiltration-reverse osmosis, etc., but the existing treatment system has poor operation stability, serious fouling of the membrane system, and the system recovery rate is generally 50% to 70%. around, and the circulating cooling system replenishes the surface water with better water quality. For reclaimed water source circu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14
Inventor 姜琪李瑞瑞毛进王璟黄倩李文涛连坤宙
Owner XIAN TPRI WATER & ENVIRONMENTAL PROTECTION
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