Recycling treatment process and apparatus system of power plant circulating water

A technology of treatment process and treatment device, which is applied in the field of water treatment, can solve the problems of carbon steel material that cannot meet the needs of use and increase in salt content, and achieve simple and easy process operation and maintenance, promote recycling, and facilitate recycling Effect

Inactive Publication Date: 2012-05-23
董金奎
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] (4) Due to the increase of salt content in circulating water, ordinary carbon steel materials can no longer meet the needs of use, and higher requirements are required

Method used

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  • Recycling treatment process and apparatus system of power plant circulating water
  • Recycling treatment process and apparatus system of power plant circulating water
  • Recycling treatment process and apparatus system of power plant circulating water

Examples

Experimental program
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Effect test

Embodiment 1

[0034] Embodiment 1 of the present invention: the reuse treatment process (such as figure 1 shown): the circulating water of the power plant is first collected into the regulating pool, then enters the clarification tank, adds flocculant, coagulant and bactericide for mechanically accelerated clarification, and then is transported to the variable pore filter for filtration, and the filtered water is submerged ultra-thin Filtration (using ZeeWeed1000 ultrafiltration membrane, made of PVDF), and then transported to the reverse osmosis system through the ultrafiltration pool, adding sodium sulfite for reverse osmosis treatment (using spiral-wound anti-pollution membrane, the material is aromatic polyamide), the treated water It can be used as industrial water for power plants; the sludge in the clarification tank is concentrated in the thickening tank, dehydrated by the dehydrator, and then transported outside, and the effluent of the dehydrator is returned to the regulating pool;...

Embodiment 2

[0036] Embodiment 2 of the present invention: Reuse treatment process of circulating water in power plants: the circulating water in power plants is first collected into the regulating pool, then enters the clarification tank, adds flocculants, coagulants and bactericides for mechanically accelerated clarification, and then transports to the variable pore filter The filtered water is subjected to immersion ultrafiltration, and then transported to the reverse osmosis system through the ultrafiltration pool, and sodium sulfite is added for reverse osmosis treatment. The treated clean water can be used as industrial water for power plants; the sludge in the clarification tank is passed through Concentrated in the concentration tank, dehydrated by the dehydrator and transported outside, the effluent from the dehydrator is returned to the regulating pool; the concentrated water from the reverse osmosis system is collected into the concentrated water tank, and reused in the ash and sl...

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Abstract

The invention discloses a recycling treatment process and a recycling treatment apparatus system of power plant circulating water. According to the invention, power plant circulating water is sequentially subject to mechanical accelerated clarification, variable void filtration, submerged ultrafiltration and reverse osmosis membrane treatments. Clear water obtained after the treatments is adopted as an industrial water source for the power plant. Compared to existing technologies, mechanical accelerated clarification, variable void filtration, submerged ultrafiltration and reverse osmosis membrane treatment technologies and an apparatus system employing the technologies are adopted. The technology and the system are advantaged in impact load resistance, low operation pressure, simple and feasible technical operation and maintenance, convenient pipeline installation, and the like. With the method and the system, recycling of power plant circulating water can be promoted. The technology and the system satisfy a development trend of energy saving and consumption reducing. With the technology and the system, recycling of water resource is effectively promoted.

Description

technical field [0001] The invention relates to a recycling treatment process and device system for circulating water in a power plant, and belongs to the technical field of water treatment. Background technique [0002] Water is the basic and strategic resource for human survival and development. Over the past two decades, the great progress China has made in social economy has attracted worldwide attention. At the same time, water shortage and water pollution have become one of the most severe challenges facing China's economic and urbanization development. For this reason, attaching importance to water treatment and environmental governance technologies, and continuously researching solutions to water resource utilization, water conservation, and sewage and wastewater treatment are important measures to achieve sustainable economic and social development, and have practical and strategic significance. [0003] The scientific research, development and popularization and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/02
Inventor 董金奎
Owner 董金奎
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