Efficient scraper film evaporation device

An evaporation device and scraper technology, applied in evaporation, evaporator accessories, chemical instruments and methods, etc., can solve problems such as unsatisfactory evaporation effect, incomplete gas-liquid separation, uneven film distribution on the inner wall of the cylinder, etc., to eliminate Secondary steam short circuit, strong anti-clogging ability, and the effect of preventing crystallization and scaling

Inactive Publication Date: 2020-09-25
TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the scraped film evaporator in the prior art still has problems such as incomplete gas-liquid separation, uneven film distribution on the inner wall of the cylinder, and unsatisfactory evaporation effect.

Method used

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  • Efficient scraper film evaporation device
  • Efficient scraper film evaporation device
  • Efficient scraper film evaporation device

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Embodiment Construction

[0033] The present invention will be further described in detail below through the specific examples, the following examples are only descriptive, not restrictive, and cannot limit the protection scope of the present invention with this.

[0034] A high-efficiency scraper thin-film evaporation device, the innovation of which is that it includes a geared motor 1, a separation chamber 2, a gas-liquid separator 5, and an evaporator cylinder 15. The geared motor is arranged at the upper end of the separation chamber, and the The lower end of the separation chamber is connected to the gas-liquid separator, and the bottom end of the gas-liquid separator is connected to the cylinder of the evaporator, and a rotating shaft 10 is coaxially arranged in the cylinder of the evaporator, and the rotating shaft runs through the The gas-liquid separator and the separation chamber are connected to the end of the motor shaft of the geared motor. The rotating shaft in the cylinder of the evaporat...

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Abstract

The invention relates to an efficient scraper film evaporation device. The device is characterized in that a gear motor is arranged at the upper end of a separation chamber; the lower end of the separation chamber is connected with a gas-liquid separator; the bottom end of the gas-liquid separator is connected to an evaporator barrel; a rotating shaft is coaxially arranged in the evaporator barrel; the rotating shaft penetrates through the gas-liquid separator and the separation chamber and is connected to the end part of the motor shaft of the gear motor; a liquid distributor and a scraper are sequentially arranged on the rotating shaft in the evaporator barrel, a conical end socket is arranged at the bottom end of the evaporator barrel, a concentrated material outlet is formed in the bottom end of the conical end socket, a feeding port is formed in the evaporator barrel and located at the upper end of the liquid distributor, and an air outlet is formed in the upper end of the gas-liquid separator. The efficient scraper film evaporation device is scientific and reasonable in structural design, reasonable in liquid distribution and uniform in film formation, evaporation heat transfer can be improved, secondary steam entrainment is avoided, and the evaporation efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of chemical equipment, and relates to an evaporator, in particular to a high-efficiency scraper thin-film evaporation device. Background technique [0002] The scraper film evaporator is an evaporation equipment that uses a high-speed rotating scraper to disperse the material into a uniform film, thereby achieving the concentration and purification of the material. The scraped film evaporator has outstanding advantages that cannot be compared with ordinary evaporators, and has been widely used in chemical, pharmaceutical, environmental protection and food industries, bringing huge economic benefits to industrial production. It has high heat transfer coefficient, high evaporation strength, and can realize vacuum operation. It is especially suitable for materials with high boiling point, high viscosity and heat sensitivity. [0003] However, the scraped film evaporator in the prior art still has problems such...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D1/22B01D1/30
CPCB01D1/22B01D1/30
Inventor 宋继田苏杭宋玉臣刘建波田玮蔡开街
Owner TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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