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Quality regulating system for desalinated water and method for regulating water quality

A technology for desalinated water and fresh water, which is applied in the field of desalinated water conditioning system and water quality adjustment, and can solve the problems of non-corrosive desalinated water and unstable desalinated water quality

Pending Publication Date: 2019-07-09
华电水务工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a desalinated water conditioning system and a method for adjusting water quality, which can increase the content of calcium ions in desalinated water, solve the problem of unstable water quality in desalinated water, and make desalinated water non-corrosive

Method used

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  • Quality regulating system for desalinated water and method for regulating water quality
  • Quality regulating system for desalinated water and method for regulating water quality
  • Quality regulating system for desalinated water and method for regulating water quality

Examples

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Embodiment 1

[0043] Embodiment 1 of the present invention: as figure 1 As shown, a desalinated water conditioning system, the desalinated water conditioning system is set between the reverse osmosis membrane desalination treatment system and the generator set, the desalinated water conditioning system includes a mineralization system 1, a first dosing system 2, an automatic reverse osmosis The washing system 3 and the second dosing system 4, the mineralization system 1 is connected to the reverse osmosis water production tank 6 through the fresh water delivery pipe 5, the fresh water delivery pipe 5 is provided with a fresh water delivery pump 7, and the first dosing system 2 is set in the fresh water delivery Between the pump 7 and the mineralization system 1 , the mineralization system 1 is connected to the second dosing system 4 through the water production pipe 8 , and the automatic backwashing system 3 is connected to the mineralization system 1 .

[0044] Further, the mineralization...

Embodiment 2

[0049] Embodiment 2 of the present invention: as figure 1 As shown, a desalinated water conditioning system, the desalinated water conditioning system is set between the reverse osmosis membrane desalination treatment system and the generator set, the desalinated water conditioning system includes a mineralization system 1, a first dosing system 2, an automatic reverse osmosis The washing system 3 and the second dosing system 4, the mineralization system 1 is connected to the reverse osmosis water production tank 6 through the fresh water delivery pipe 5, the fresh water delivery pipe 5 is provided with a fresh water delivery pump 7, and the first dosing system 2 is set in the fresh water delivery Between the pump 7 and the mineralization system 1 , the mineralization system 1 is connected to the second dosing system 4 through the water production pipe 8 , and the automatic backwashing system 3 is connected to the mineralization system 1 .

[0050] Further, the mineralization...

Embodiment 3

[0060] Embodiment 3 of the present invention: a method for adjusting water quality, comprising the following steps: Step S01: adding dissolved CO to desalinated water after desalination treatment 2 Carbonated water forms mixed desalinated water; Step S02: mineralization treatment mixed desalinated water improves Ca in mixed desalinated water 2+increase the alkalinity and hardness of the desalinated water; step S03: purify the mixed desalinated water after mineralization treatment to produce purified water; step S04: detect whether the turbidity of the purified water exceeds the standard, if the turbidity exceeds the standard, then start the automatic reaction Cleaning system; Step S05: Detect whether the pH value of the purified water after the turbidity test is 8.0-9.0, and if it exceeds the range of 8.0-9.0, proceed to Step S06. Step S06: Adjust the pH value of the purified water after the turbidity test to a range of 8.0-9.0, and add alkali to the purified water after the t...

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Abstract

The invention discloses a quality regulating system for desalinated water. The quality regulating system for the desalinated water is arranged between a reverse osmosis membrane desalination treatmentsystem and a generator set; and the quality regulating system for the desalinated water comprises a mineralization system, a first addition system, an automatic backwashing system and a second addition system, the mineralization system is connected with a reverse osmosis water production tank through a fresh-water conveying pipe, the fresh-water conveying pipe is provided with a fresh-water conveying pump, the first addition system is arranged between the fresh-water conveying pump and the mineralization system, and the mineralization system is connected with the second addition system through a water production pipe. The invention also discloses a method for regulating water quality. The system and method provided by the invention can improve the content of calcium ions in the desalinated water, and increase the alkalinity and hardness of the desalinated water, thereby not only solving the problem of unstable water quality of the desalinated water, but also making the desalinated water have no corrosion.

Description

technical field [0001] The invention relates to a desalinated water conditioning system and a method for regulating water quality, belonging to the field of water treatment. Background technique [0002] At present, in order to ensure the fresh water demand of coastal residents for drinking water and industrial water, the desalinated water produced by seawater desalination treatment is usually used for drinking water and industrial water respectively; the desalinated water produced is used as drinking water for residents to use Before that, it will be processed by the desalinated water production system to meet the standard of drinking water; the desalinated water produced will be used as industrial water and directly used for industrial production such as power generation. However, the desalinated water produced by desalination of seawater has the problems of low calcium ion content, unstable water quality, and strong corrosion. If it is directly used for industrial product...

Claims

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Application Information

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IPC IPC(8): C02F9/04
CPCC02F9/00C02F1/441C02F1/66C02F1/68C02F1/001C02F2209/06C02F2209/10Y02A20/131
Inventor 周小琴侯芳兰田斌
Owner 华电水务工程有限公司
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