High-vacuum distillation purification device

A high-vacuum, distillation kettle technology, applied in distillation separation, molecular distillation, distillation in boilers/distillates, etc., can solve the problems of unclean removal of light components of products, easy oxidation of materials, and small processing capacity, etc. Low price, fast evaporation, uniform heating effect

Pending Publication Date: 2022-07-22
张博申
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  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a high-vacuum distillation purification device to overcome the low heat transfer efficiency, small processing capacity, easy oxidation, condensation, polymerization or cracking of materials and poor removal of light components in existing high-vacuum distillation devices. Cleanliness, low yield, and low content of finished products are suitable for the separation of high boiling point and heat sensitive materials

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  • High-vacuum distillation purification device
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Embodiment Construction

[0013] like figure 1 and figure 2 As shown, a high-vacuum distillation and purification device provided in this embodiment at least includes a feed port 2 for convenient direct feeding, a distillation still 1 with a stirring shaft 4, a fully wrapped jacket heating layer 3, a large-diameter Column 5 with packing 6, condenser 7, flanged receiving tank 8 and vacuum unit 9.

[0014] The shell of the still 1 except the feeding port 2, the stirring shaft 4, and the place where the column 5 and the still 1 are welded are all wrapped with the jacket type heating layer 3. First, the jacket is heated, which completely wraps the still still. The advantage of this is that the whole material in the still can be heated evenly under the condition of stirring. In addition, the jacket heating also facilitates the use of different heat sources. It is possible to use steam or heat transfer oil to heat the still, and it is also convenient to distill according to the material. Different heating...

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Abstract

The invention discloses a high-vacuum distillation and purification device which is suitable for separation of high-boiling-point and heat-sensitive materials. The device at least comprises a distillation still with a stirring shaft, a feeding port is formed in a distillation still shell, a column and the distillation still are directly welded at 90 degrees, and the distillation still shell except for the feeding port, the stirring shaft and the position where the column and the distillation still are welded is all wrapped by a jacket type heating layer; the front end of the condenser is welded with the top end of the column and inclines downwards, and the tail end of the condenser is connected with the receiving tank through a flange; a vacuum pipeline is arranged on the upper portion of the receiving tank, the vacuum unit is connected with the receiving tank through the vacuum pipeline, and a vacuum valve is arranged on the vacuum pipeline to control the opening degree of the vacuum unit. The device has the characteristics of high vacuum degree, low distillation temperature and high evaporation speed, and is simple to operate and low in equipment price.

Description

technical field [0001] The invention relates to a separation device, which can be applied to the distillation, purification and separation of high-boiling and heat-sensitive substances in chemical production. Background technique [0002] At present, the widely used high-vacuum distillation technology on the market is molecular distillation technology, and many products are also purified by high-vacuum reduced pressure distillation using this technology. However, molecular distillation technology has the following shortcomings. First of all, molecular distillation technology has good decolorization effect, but the primary separation degree is not high. When encountering materials that need to improve product purity, multiple molecular distillations are often required to improve product purity, and the processing capacity is not high, time is long, and efficiency is low; Secondly, the molecular distillation equipment is expensive and the maintenance cost is high; finally, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D3/12B01D3/00B01D3/02B01D5/00
CPCB01D3/12B01D3/02B01D3/00B01D5/00
Inventor 张博申
Owner 张博申
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