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swro and mcdi coupled seawater desalination plant system with energy recovery

A technology of energy recovery and seawater, which is applied in seawater treatment, multi-stage water treatment, water/sewage treatment, etc., can solve the problems of no energy recovery, etc., and achieve the effect of reducing energy consumption, reducing energy consumption, and improving quality

Active Publication Date: 2021-06-01
JIANGSU UNIV OF SCI & TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

The equipment for preparing drinking water for ships (country: China, publication number: 207243648U, publication date: 2018-4-17) discloses a method of combining ultrafiltration, membrane capacitive deionization, and reverse osmosis devices, and also absorbs capacitance The ion system is placed in front of the reverse osmosis system and also has no energy recovery

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  • swro and mcdi coupled seawater desalination plant system with energy recovery
  • swro and mcdi coupled seawater desalination plant system with energy recovery
  • swro and mcdi coupled seawater desalination plant system with energy recovery

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Embodiment Construction

[0023] The present invention is further illustrated below in conjunction with the accompanying drawings and specific examples, and these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

[0024] SWRO and MCDI coupled seawater desalination plant system with energy recovery, as attached figure 1 As shown, it includes a pre-filter unit 100 , a SWRO processing unit 200 , an MCDI processing unit 300 , and a post-filter unit 400 .

[0025] The pre-filter unit 100 includes a raw water tank 101, a raw water pump 102, a multimedia filter 103, and a microfilter 104 connected sequentially through pipelines. The raw seawater is preliminarily filtered for impurities to obtain pretreated seawater.

[0026] SWRO processing unit 200 is arranged with seawater desalination waterway and energy recovery waterway, including high pressure pump 201, RO primary desalination equipment 202, pressure gauge A203, pressure gauge ...

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Abstract

The invention discloses a SWRO and MCDI coupled seawater desalination device system with energy recovery, comprising a pre-filter unit, a SWRO processing unit, an MCDI processing unit, and a post-filter unit, wherein the SWRO processing unit is coupled with the MCDI processing unit, Seawater desalination is carried out by coupling complementary waterway and circuit design, while improving water quality, and keeping the water outlet of the device continuous, by recovering the pressure potential energy of high-pressure concentrated brine in the SWRO treatment unit and the electric energy released by desorption in the MCDI treatment unit to reduce energy consumption Compared with the existing RO reverse osmosis and CDI seawater desalination energy recovery technology, it can further significantly reduce energy consumption and improve the quality of fresh water produced.

Description

technical field [0001] The invention relates to a seawater desalination device, in particular to a seawater desalination device system with energy recovery. Background technique [0002] With the overfishing and serious pollution in the coastal waters, people are turning their attention to the deep sea. Marine ranching carries new hope for the transformation of China's fishery industry. This also means that under the background of the national strategy, more and more fishing boats will sail to the deep sea. However, long-distance fishing boats sail for a long time, and fresh water is one of the important factors that determine whether the ship can continue to sail. Carrying a water storage tank cannot guarantee the quality of fresh water resources and occupies a large area. With the increasing maturity of seawater desalination technology and the reduction of process costs, seawater desalination devices can become an effective choice for producing fresh water. [0003] Most ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/06C02F1/44C02F1/469C02F103/08
CPCC02F1/001C02F1/441C02F1/444C02F1/4691C02F9/00C02F2103/08C02F2301/08C02F2303/10Y02A20/124Y02A20/131
Inventor 姚寿广季梦婷郭世豪韦燕霞张钰妮陈志赟
Owner JIANGSU UNIV OF SCI & TECH