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Technology for purifying and preparing n-butane by rectification method

A technology of n-butane and rectification, applied in the field of chemical synthesis and preparation of n-butane, can solve the problems of environmental pollution and high purity of n-butane, and achieve the effects of solving the problem of environmental pollution, high purity and reasonable process

Inactive Publication Date: 2011-01-26
天津东方宜信物流有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

This technology not only has reasonable process and simple preparation, but also produces n-butane with high purity and solves the problem of environmental pollution

Method used

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  • Technology for purifying and preparing n-butane by rectification method
  • Technology for purifying and preparing n-butane by rectification method

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Experimental program
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Embodiment Construction

[0009] refer to figure 1 , left reflux pump 1, left reflux tank 2, left condenser 3, raw material pump 19, debutanizer 4, butane reboiler 17, middle reflux pump 16, middle reflux tank 5, middle condenser 6, left debutanizer Isobutane tower 7, circulation pump 15, right deisobutanizer tower 8, isobutane reboiler 14, n-butane tower 9, right condenser 10, right reflux tank 11, right reflux pump 12, n-butane The reboiler 13 is integrally connected by the connection line 18 sequentially. When using the technology of the present invention, according to the operating procedures, the raw material is pumped into the debutanizer 4 of the technology of the present invention through the feed pump 19 through the connecting pipeline 18, and the butane is removed after being boiled by the butane reboiler 17, and enters the left De-isobutanizer 7 removes part of the isobutane, pumps it into the right de-isobutanizer 8 through the connecting line 18 through the circulating pump 15, removes th...

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Abstract

The invention discloses technology for purifying and preparing n-butane by a rectification method. A left reflux pump, a left reflux tank, a left condenser, a feedstock pump, a debutanization tower, a butane reboiler, a middle reflux pump, a middle reflux tank, a middle condenser, a left debutanization tower, a circulation pump, a right debutanization tower, an iso-butane reboiler, an n-butane tower, a right condenser, a right reflux tank, a right reflux pump and an n-butane reboiler are sequentially connected to a whole through connection pipelines. The technology has the advantages of reasonable process, simple preparation, high purity of n-butane and solution of environmental pollution, which is an ideal technology for preparing the n-butane.

Description

Technical field [0001] The invention relates to a synthesis and preparation technology of chemical products, in particular to a technology for the preparation of n-butane by rectification, which is suitable for the preparation of n-butane by chemical synthesis. Background technique [0002] At present, the production process of n-butane is cumbersome, the reaction temperature is unstable during the reaction, and high-purity n-butane cannot be obtained. Contents of the invention [0003] The problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a technology for purifying and preparing n-butane by means of rectification. The technology is not only reasonable in process and simple in preparation, but also produces n-butane with high purity and solves the problem of environmental pollution. [0004] The technical scheme adopted in the present invention is: left reflux pump, left reflux tank, left condenser, raw material pum...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C9/10C07C7/04
Inventor 李中元
Owner 天津东方宜信物流有限公司