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Dehydration treatment equipment for anhydrous acetonitrile and treatment process thereof

A treatment equipment and acetonitrile technology, which is applied in the chemical industry, carboxylic acid nitrile purification/separation, sustainable manufacturing/processing, etc., can solve the problems of poor acetonitrile dehydration effect, achieve good dehydration effect, simple process, and reduce production costs Effect

Pending Publication Date: 2022-08-02
CHENGDU GELAI HIGH TECH CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The object of the present invention is to provide a kind of dehydration processing equipment and processing technology for anhydrous acetonitrile, to solve the problem of poor dehydration effect of acetonitrile in the existing process of preparing anhydrous acetonitrile

Method used

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  • Dehydration treatment equipment for anhydrous acetonitrile and treatment process thereof
  • Dehydration treatment equipment for anhydrous acetonitrile and treatment process thereof
  • Dehydration treatment equipment for anhydrous acetonitrile and treatment process thereof

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Embodiment Construction

[0024] The principles and features of the present invention will be described below with reference to the accompanying drawings. The examples are only used to explain the present invention, but not to limit the scope of the present invention.

[0025] like figure 1 As shown, a dehydration treatment equipment for anhydrous acetonitrile includes a raw material tank 1, an air inlet 2 and an exhaust port 3 respectively arranged at the top of the raw material tank 1, and a discharge port connected to the raw material tank 1 through a conveying assembly 4 The dehydration mechanism 5 at the mouth and the circulation pipe 6 connected to the outlet of the dehydration mechanism 5. The outlet of the circulation pipe 6 is connected to the circulation inlet of the raw material tank 1. The raw material tank 1, the conveying assembly 4, the dehydration mechanism 5 and the circulation pipe 6 are formed. Circulation line for dehydration of acetonitrile. The air inlet 2 is connected with a nit...

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Abstract

The dehydration treatment equipment comprises a raw material tank, a gas inlet and a gas outlet which are respectively formed in the top end of the raw material tank, a dehydration mechanism which is connected to a discharge hole of the raw material tank through a conveying assembly, and a circulating pipe which is connected to an outlet of the dehydration mechanism, an outlet of the circulating pipe is communicated with a circulating inlet of the raw material tank, and the raw material tank, the conveying assembly, the dehydration mechanism and the circulating pipe form a circulating pipeline for acetonitrile dehydration treatment; according to the present invention, the liquid phase distribution assembly is adopted to fully distribute the solution in the strip-shaped column body so as to achieve the uniform distribution of the solvent, such that the water in the solvent is reliably adsorbed through the molecular sieve so as to achieve the water-free state, and the multiple groups of the dehydration assemblies are arranged so as to form the structure form from the initial stage adsorption to the deep adsorption, the advanced dehydration effect is achieved, and the dehydration reliability is greatly improved; meanwhile, the molecular sieve can be regenerated and recycled, so that the production cost is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of dehydration treatment of anhydrous acetonitrile, in particular to a dehydration treatment device for anhydrous acetonitrile and a treatment process thereof. Background technique [0002] Anhydrous acetonitrile is an aprotic and highly soluble polar solvent, which can be used as a solvent for spinning, coatings, resins and certain organic metals. Dehydration treatment is required in the preparation process of anhydrous acetonitrile separation and extraction. Existing dehydration treatment of acetonitrile mostly adopts distillation tank to carry out distillation and dehydration, and the distilled water formed in the distillation process is repeatedly mixed in acetonitrile, resulting in poor dehydration effect; Greatly affected the dehydration effect of acetonitrile. SUMMARY OF THE INVENTION [0003] The object of the present invention is to provide a dehydration treatment equipment for anhydrous acetoni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D15/10B01D15/14B01D15/22C07C253/34C07C255/03
CPCB01D15/10B01D15/14B01D15/22C07C253/34C07C255/03Y02P20/10
Inventor 文丹明
Owner CHENGDU GELAI HIGH TECH CO LTD
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