Improved column tray packing type rectifying column for molecular distillation

An improved technology of molecular distillation, applied in the field of molecular distillation, can solve problems such as unreasonable recycling, rectification efficiency to be improved, and more heat loss

Active Publication Date: 2020-10-23
宿迁市盈科新材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, in the application process of the current pedal-packed rectification tower, when the material is rectified, the heat loss is large, which ca

Method used

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  • Improved column tray packing type rectifying column for molecular distillation
  • Improved column tray packing type rectifying column for molecular distillation
  • Improved column tray packing type rectifying column for molecular distillation

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] see Figures 1 to 5 , in the embodiment of the present invention, an improved tray-packed rectification tower for molecular distillation, comprising a tower body 1, a discharge heat exchanger 2 is arranged on the bottom side of the tower body 1, and the tower body 1 A reboiler 4 is provided on the other side of the bottom end, a feed heat exchanger 5 is provided outside the middle part of the tower body 1, and a gas phase product discharge pipe 8 is con...

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Abstract

The invention relates to the technical field of molecular distillation, and discloses an improved column tray packing type rectifying column for molecular distillation. The column comprises a column body, wherein a discharged material heat exchanger is arranged on one side of the bottom end of the column body; a reboiler is arranged on the other side of the bottom end of the column body; a fed material heat exchanger is arranged on the outer side of the middle of the column body; the middle part of the top end of the column body is communicated with a gas-phase matter discharge pipe, the otherend of the gas-phase matter discharge pipe is connected with a column top heat exchanger, an inner cavity is formed in the column body, a first circulating pipe is arranged in the inner cavity in a surrounding manner, a plurality of column plates are distributed in the column body from bottom to top, and a central pipe is arranged in the column body and penetrates through the centers of the column trays. According to the rectifying column, heat recycling is achieved, heat preservation of the column body is facilitated, heat loss of the column body is avoided, materials can be preheated, a plurality of steam layers are conveniently formed in the column body through cooperation of the center pipe and the gas ring, it is guaranteed that steam makes better contact with the materials, and therectifying efficiency of the materials is improved.

Description

technical field [0001] The invention relates to the technical field of molecular distillation, in particular to an improved tray-packed rectification tower for molecular distillation. Background technique [0002] The rectification tower is a tower-type gas-liquid contact device for rectification. Utilizing the different volatility of each component in the mixture, that is, the property that the vapor pressure of each component is different at the same temperature, the light components (low boilers) in the liquid phase are transferred to the gas phase, and the light components in the gas phase are transferred to the gas phase. The heavy components (high boilers) are transferred to the liquid phase, thus achieving the purpose of separation. [0003] However, in the application process of the current pedal-packed rectification tower, when the material is processed through rectification, the heat loss is large, which cannot be recycled reasonably, resulting in a waste of energ...

Claims

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Application Information

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IPC IPC(8): B01D3/14B01D3/32
CPCB01D3/14B01D3/322
Inventor 车丽平
Owner 宿迁市盈科新材料有限公司
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