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Low-temperature multi-effect distillation method and SSCC membrane method seawater desalination system

A multi-effect distillation and multi-effect evaporator technology, which is applied in the field of low-temperature multi-effect distillation method and SSCC membrane seawater desalination system, can solve the problems of consuming large commodity steam, promoting and applying limited steam prices, etc. The effect of shortening the condensation time and increasing the water production rate

Active Publication Date: 2020-10-16
WENZHOU HAIDENENG ENVIRONMENTAL PROTECTION EQUIP & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, low-temperature multi-effect distillation desalination requires a large amount of commercial steam, and its popularization and application is largely limited by the price of steam.

Method used

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  • Low-temperature multi-effect distillation method and SSCC membrane method seawater desalination system
  • Low-temperature multi-effect distillation method and SSCC membrane method seawater desalination system
  • Low-temperature multi-effect distillation method and SSCC membrane method seawater desalination system

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Embodiment 1

[0020] Such as Figure 1 to Figure 5As shown, the present application provides a low-temperature multi-effect distillation and SSCC membrane seawater desalination system at least including a receiving plate 1 , a multi-effect evaporator 2 and a light-transmitting condensation cover 3 . Part of the area of ​​the receiving plate 1 may be made of foam or may be provided with foam so that the seawater desalination system can float on the sea surface based on the buoyancy generated by the receiving plate 1 . Both the multi-effect evaporator 2 and the light-transmitting condensation cover 3 are arranged on the receiving plate 1 . The receiving plate 1 , the multi-effect evaporator 2 and the light-transmitting condensation cover 3 can jointly form a closed first evaporation chamber 4 . Specifically, the multi-effect evaporator 2 at least includes a first water collection tank 2a and several evaporation plates 2b. The evaporation plate 2b may be in the shape of a hollow cylinder. T...

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Abstract

The invention discloses a low-temperature multi-effect distillation method and an SSCC membrane method seawater desalination system. The system at least comprises a bearing plate, a multi-effect evaporator and a light-transmitting condensation cover, the multi-effect evaporator and the light-transmitting condensation cover are both arranged on the bearing plate to define a closed first evaporationcavity. The multi-effect evaporator is provided with at least one second evaporation cavity; water vapor in the first evaporation cavity exchanges heat with the light-transmitting condensation coverand is converted into condensed water; and under the condition that the condensate water flows along the light-transmitting condensation cover to enter the second evaporation cavity based on the selfweight of the condensate water, the water vapor can also exchange heat with the multi-effect evaporator, so that the condensate water in the second evaporation cavity is heated again to form the watervapor. The water vapor in the first evaporation cavity is cooled through the light-transmitting condensation cover and the multi-effect evaporator at the same time so that the condensation process ofthe water vapor can be accelerated, water vapor accumulation can be avoided in seasons with sufficient sunlight, and then the technical effects of improving the solar energy utilization rate and theseawater desalination water yield can be achieved.

Description

technical field [0001] The invention belongs to the technical field of seawater desalination equipment, and in particular relates to a low-temperature multi-effect distillation method and an SSCC membrane method seawater desalination system. Background technique [0002] With the continuous and stable development of my country's economy, the demand for water resources in various industries in society is increasing. Due to the obvious changes in rainfall with seasons and regions in our country, coupled with the increasing demand for industrial water year by year, some areas, especially the eastern coastal areas, have suffered a severe shortage of water resources, causing economic losses of hundreds of billions of yuan each year. Water resource crisis Has seriously restricted my country's economic development. In order to cope with the water crisis, in addition to the planned implementation of water storage and transfer projects and the promotion of water-saving technologies, ...

Claims

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Application Information

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IPC IPC(8): C02F9/10C02F103/08
CPCC02F1/04C02F1/44C02F2201/007C02F2201/002C02F2303/14C02F2103/08
Inventor 孙嘉琦孙嘉保禄孙成
Owner WENZHOU HAIDENENG ENVIRONMENTAL PROTECTION EQUIP & TECH
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