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A rotary scraping film distillation and desalination device

A technology of distillation, desalination and rotary scraping, which is applied in the direction of evaporation, general water supply saving, chemical instruments and methods, etc. It can solve the problems of affecting heat transfer performance and water production capacity decline, and achieves enhanced heat transfer, reduced evaporation thermal resistance, and improved The effect of freshwater recovery

Active Publication Date: 2021-02-19
TIANJIN SEA WATER DESALINATION & COMPLEX UTILIZATION INST STATE OCEANOGRAPHI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, when the turbidity of the raw water is high, the suspended particles contained in the water will also deposit on the heat transfer surface to form dirt, which will also affect the heat transfer performance and cause the water production capacity to decrease

Method used

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  • A rotary scraping film distillation and desalination device
  • A rotary scraping film distillation and desalination device
  • A rotary scraping film distillation and desalination device

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Embodiment Construction

[0024] The implementation of the present invention will be described in further detail below in conjunction with the accompanying drawings. The following embodiments are only descriptive, not restrictive, and cannot limit the protection scope of the present invention.

[0025] A rotary wiped film distillation and desalination device, such as figure 1 As shown, the device housing 44 is included, the bearing bracket 21 is installed at the center of the inner wall on the right side of the housing, the end rolling bearing 18 is fixedly installed at the left end of the bearing bracket 21, and the inner sleeve of the end rolling bearing 18 is worn from the left side. The driving pulley rotating shaft 20 is equipped with a large pulley 17 on the left end of the driven pulley rotating shaft 20, and the left side of the large pulley 17 is coaxially provided with a right segment hollow sleeve 22, a middle segment hollow sleeve 4 and a left segment hollow sleeve. Tube 6, the right end of...

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Abstract

The invention relates to a rotary film-scraping type distillation and desalination device. The device comprises a rotating system, a stream condensing system and a circulating vaporization system, wherein the rotating system comprises a sectional hollow sleeve, a plurality of hollow disc and a disc-shaped concentrated water recycling cover, and the sectional hollow sleeve is driven by a motor; thestream condensing system comprises a hollow fixed shaft, a steam outlet in the hollow fixed shaft, a plurality of hollow discs, a steam input pipe, a steam output pipe and a compression mechanism; and the circulating vaporization system comprises a water supply and drainage bracket, a support arm, a hollow disc surface, a scraping brush, a charging liquid delivery total pipe, concentrated water recycling total pipe, a material liquid conveying branched pipe, a concentrated water recycling branched pipe, a concentrated water pump, a raw material liquid tank and a raw material pump. According to the rotary film-scraping type distillation and desalination device, raw material liquid flows into tiny gaps between the hollow discs and the scraping disc, and a layer of uniform liquid film is formed on the hollow disc surface by the raw material liquid by virtue of the rotation and scraping effects of the hollow discs and is evaporated, so that the continuous operation of the device can be maintained in a microgravity or a zero gravity scene, and meanwhile, the scale formation problem of a dry wall is avoided; and by virtue of continuous and uniform liquid film, the fresh water recyclingrate of a distillation process is increased.

Description

technical field [0001] The invention belongs to the technical field of seawater desalination and water treatment, in particular to a rotary scraping film distillation and desalination device. Background technique [0002] Distillation and desalination technology is currently a mainstream technology in the field of seawater desalination and water treatment. However, since seawater contains scaling ions such as calcium and magnesium, components such as calcium carbonate, magnesium hydroxide, and calcium sulfate will gradually deposit on the surface of the heat transfer tube to form scale during the distillation and desalination process of seawater, which will seriously hinder the connection between seawater and heating. The heat transfer process of the medium. Scaling on the heat transfer surface is an important factor affecting the performance of distillation and desalination units. In many distillation and desalination projects, due to scaling, the heat transfer performance...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D1/22C02F103/08
CPCY02A20/124Y02A20/131
Inventor 谢春刚张令品王鑫苗超孙靖李强尹立辉
Owner TIANJIN SEA WATER DESALINATION & COMPLEX UTILIZATION INST STATE OCEANOGRAPHI
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