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Internally circulating falling-film molecular distillator

A molecular distillation and falling film technology, applied in molecular distillation and other directions, can solve the problems of complex production devices, equipment costs and operating costs restricting the application of molecular distillation technology, and achieve a wide range of applications, low maintenance costs, and low operating costs. Effect

Inactive Publication Date: 2005-02-23
钱德康
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Complex production equipment, expensive equipment costs and operating costs restrict the application of molecular distillation technology in industrial production

Method used

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  • Internally circulating falling-film molecular distillator

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Embodiment Construction

[0011] The internal circulation falling film molecular distillation equipment is suitable for the removal of small molecules of polymer compounds in the polymerization reaction and the purification and concentration of polymers. It can replace falling film, wiped film, and centrifugal molecular distillation equipment for batch methods. When the production device replaces the continuous production device, the cost of the device is low, the investment is low, and the operation and maintenance are convenient, so that the molecular distillation technology can be widely used in industrial production.

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Abstract

A falling-film molecular distilling apparatus with internal circulation is disclosed. The raw liquid is sucked in it from its bottom by an axial-flow pump, then lifted in vacuum chamber via circulating tube, and then dispersed into liquid film or liquid column or liquid drops to drop down by the dispersing element and finally redistributed by liquid distributor. The low voltage component in heated raw liquid is pumped from the top of vacuum chamber to condenser or carried downward by raw liquid for next cycle, so the raw liquid is continuously concentrated by evaporation.

Description

technical field [0001] Internal circulation falling film molecular distillation equipment is a new type of molecular distillation equipment. Background technique [0002] Existing molecular distillation equipment includes falling film type, wiped film type, and centrifugal molecular distillation equipment, which are applied to continuous production devices. Complex production equipment, expensive equipment and operating costs restrict the application of molecular distillation technology in industrial production. Contents of the invention [0003] The working principle of the internal circulation falling film molecular distillation equipment is that the axial flow pump placed in the equipment sucks the feed liquid from the bottom, lifts it to the vacuum chamber through the circulation pipe, and disperses it into liquid film, liquid column, and droplet shape through the dispersing element. Falling, and then redistributed in the liquid distributor, the feed liquid is in the ...

Claims

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Application Information

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IPC IPC(8): B01D3/12
Inventor 钱德康
Owner 钱德康
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