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A separation tower for n-butane and isobutane in n-butane isomerization

A technology of n-butane and separation tower, applied in the field of chemical processing of organic polymer compounds, can solve problems such as low separation efficiency, and achieve the effects of enhancing driving force, ensuring stable rotation and improving separation efficiency

Active Publication Date: 2022-06-07
SHANDONG SHENCHI PETROCHEM
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  • Abstract
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Problems solved by technology

In actual use, microporous molecular sieves need to be frequently stopped to wait for the release of n-butane, resulting in low separation efficiency

Method used

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  • A separation tower for n-butane and isobutane in n-butane isomerization
  • A separation tower for n-butane and isobutane in n-butane isomerization
  • A separation tower for n-butane and isobutane in n-butane isomerization

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Embodiment Construction

[0033] The present invention will be described in detail below, and the technical solutions in the embodiments of the present invention will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0034] The present invention provides a kind of n-butane and isobutane separation tower in n-butane isomerization by improving, and the technical scheme of the present invention is:

[0035] like Figure 1-Figure 9As shown, a separation tower for n-butane and isobutane in n-butane isomerism comprises a separation tower shell 1 with a separation tower base 2 fixedly connected at the lower end, and an inlet pipe group 3 is fixedly connected to the lower end of the sep...

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Abstract

The invention relates to the technical field of chemical processing of organic polymer compounds, in particular to a n-butane and isobutane separation tower in the isomerization of n-butane, comprising a separation tower shell whose lower end is fixedly connected with a separation tower seat, and the separation tower shell The lower end of the body is fixedly connected with an intake pipe group, and the inner top of the separation tower shell is connected with a separation mechanism, the separation mechanism includes a main separation box and a pair of auxiliary separation boxes, between the main separation box and the auxiliary separation box A continuously replaceable separation belt is provided, and a wind drive unit is connected to the inside of the air intake pipe group, and a transmission assembly is connected between the wind drive unit and the continuously replaceable separation belt. Cooperating with the continuous replacement separation belt, it can maintain the continuous and stable separation effect of the continuous replacement separation belt, without stopping to feed the mixture of n-butane and isobutane, and improve the separation efficiency.

Description

technical field [0001] The invention relates to the technical field of chemical processing of organic macromolecular compounds, in particular to a separation tower for n-butane and isobutane in n-butane isomerism. Background technique [0002] Isomerization of n-butane is a very important reaction in the petrochemical industry. Its product isobutane is one of the raw materials for the production of high-octane gasoline. The dehydrogenation product of iso-butane can be used to produce unleaded gasoline additive methyl Tertiary J ether and ethyl tertiary butyl ether. The isomerization reaction mechanism of n-J alkane is related to the type of catalyst. At present, the traditional rectification method is mainly used for separation. However, due to the close boiling points of n-butane and isobutane, The process of separating n-butane and isobutane by means of rectification is very energy-intensive. Therefore, it is necessary to study an environmentally friendly new technology t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/04
CPCY02P20/10
Inventor 李志东高志强孙慧刘波海宋真真
Owner SHANDONG SHENCHI PETROCHEM
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