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Reclaimed water treatment system for thermal power plant circulating cooling water

A technology of circulating cooling water and treatment system, applied in the field of water treatment, can solve problems such as great harm, and achieve the effects of removing biological residues, not easy to scale, and saving water resources

Pending Publication Date: 2019-03-22
河南绿色九州环保科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a reclaimed water treatment system for power plant circulating cooling water with simple structure and easy maintenance, so as to solve the technical problem that reclaimed water is harmful when used as power plant circulating cooling water

Method used

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  • Reclaimed water treatment system for thermal power plant circulating cooling water
  • Reclaimed water treatment system for thermal power plant circulating cooling water
  • Reclaimed water treatment system for thermal power plant circulating cooling water

Examples

Experimental program
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Effect test

Embodiment 1

[0027] Embodiment 1: A kind of reclaimed water treatment system for power plant circulating cooling water, see Figure 1 to Figure 2 , including activated carbon tank 4, resin tank 5 and reverse osmosis filter 6, also includes sand filter tank 2, ultraviolet treatment tank 3 and backwashing device;

[0028] The water inlet of the sand filter tank 2 is connected with the reclaimed water to be treated, the water outlet of the sand filter tank 2 is connected with the water inlet of the ultraviolet treatment tank 3 through a pipeline, and the water outlet of the ultraviolet treatment tank 3 is connected with the water inlet of the activated carbon tank 4 through a pipeline Connected, the water outlet of activated carbon tank 4 is communicated with the water inlet of resin tank 5 through pipelines, the water outlet of resin tank 5 is communicated with the water inlet of reverse osmosis filter 6 through pipelines, and the concentrated water outlet of reverse osmosis filter 6 Connect...

Embodiment 2

[0038] Embodiment 2: The working principle of this embodiment is the same as that of Embodiment 1, the specific difference is that, see image 3, the water outlet end of the backwashing device is communicated with the clear water outlet port when the reverse osmosis filter 6 is filtered through the bypass pipe 18, and the water inlet end of the reverse osmosis filter 6 is communicated with a sewage pipe 27, and the sewage pipe 27 is provided with There is a blowdown valve. In this embodiment, the backwashing device can only backwash the reverse osmosis filter 6 , and the sewage after the reverse osmosis filter 6 has been washed is discharged through the blowdown pipe 30 .

[0039] After the reverse osmosis filter 6 works for a long time, it is easy to deposit and wash particles on the membrane element, which makes the permeability of the membrane element worse. The backwash device can be used to directly flush the membrane element. When using it, open the valve 1 20 and valve 2...

Embodiment 3

[0040] Embodiment 3: The working principle of this embodiment is the same as that of Embodiments 1 and 2, the specific difference is that this embodiment is further improved on the basis of Embodiment 1 combined with Embodiment 2, see Figure 4 , the water outlet end of the backwashing device is communicated with the water inlet end and the clear water outlet end when the reverse osmosis filter 6 is filtered through the bypass pipe 18 simultaneously, and the water outlet of the thick water pool 22 is communicated with the reclaimed water to be treated by the return pipe 29, in The return pipe is provided with a pump three 23 and a return valve 26.

[0041] The water return pipe 29 is connected with the sand filter 2 water outlet through the sand filter cleaning pipe, the water return pipe 29 is connected with the water outlet of the activated carbon tank 4 through the activated carbon tank cleaning pipe, and the sand filter cleaning pipe is provided with a valve 425. The tank ...

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Abstract

The invention discloses a reclaimed water treatment system for thermal power plant circulating cooling water and aims at solving a technical problem that reclaimed water is recycled for power plant circulating cooling water. The reclaimed water treatment system for thermal power plant circulating cooling water comprises an active carbon tank, a resin tank and a reverse osmosis filter and further comprises a sand filter tank, an ultraviolet treatment pond and a reverse cleaning device which communicate with reclaimed water to be treated; the sand filter tank, the ultraviolet treatment pond, theactive carbon tank, the resin tank and the reverse osmosis filter communicate with each other through pipelines in sequence; an ultraviolet lamp is arranged in the ultraviolet treatment pond; a concentrated water outlet of the reverse osmosis filter is communicated with a concentrated water pond; a water inlet end of the reverse cleaning device is communicated with a water inlet end of the sand filter tank through a bypass pipe; a water outlet end of the reverse cleaning device is communicated with a water inlet end and / or a clean water outlet end of the reverse osmosis filter during filtering through bypass pipes. The reclaimed water treatment system for thermal power plant circulating cooling water, disclosed by the invention, has the advantages that the structure is simple, the treatedreclaimed water can be directly used as power plant circulating cooling water, and a lot of water resources can be saved.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a reclaimed water treatment system for circulating cooling water in power plants. Background technique [0002] With the rapid development of society and the increase of industrial production and residents' domestic water consumption, a large amount of wastewater is generated, which has a serious impact on the ecological environment. The generated wastewater must be treated to remove harmful substances and make it After reaching the corresponding national standards, discharge treatment will be carried out. [0003] my country is a country seriously short of water. It is currently in a stage of rapid development and is facing the problem of water shortage. The lack of water resources has gradually become an important factor restricting social and economic development, industrial production and even people's lives. The contradiction between supply and demand of water resour...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/08
CPCC02F9/00C02F2303/16C02F2303/14C02F1/001C02F1/283C02F1/32C02F1/441
Inventor 王杰阮杰邓卓伟刘阳朱涵冰
Owner 河南绿色九州环保科技股份有限公司
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