Microinterface preparation device and method for butanol and octanol

Abstract

The invention provides a microinterface preparation device for butanol and octanol. The microinterface preparation device comprises a carbonyl synthesis tower, an isomer separator, a first hydrogenation reactor and a hydrogen cylinder, the carbonyl synthesis tower is connected with the isomer separator; the first hydrogenation reactor comprises a reactor body, a circulating pipeline is arranged on one side of the reactor body, an inlet of the circulating pipeline is communicated with the upper part of the reactor body, and an outlet of the circulating pipeline is communicated with the lower part of the reactor body; two opposite distributors are arranged in the reactor body; a hemispherical catalyst ejector is arranged on the side wall of the reactor body; and the catalyst ejector is arranged between the two distributors along the vertical direction. The microinterface preparation device disclosed by the invention is high in material conversion rate, low in energy consumption, low in cost, high in safety, low in required reaction temperature and pressure, less in side reaction and worthy of wide popularization and application.

Description

Technical field [0001] The present invention relates to the preparation of acrylic hydroxylation reaction, and in particular, a micrographing apparatus and method of butter alcohol. Background technique [0002] Butterol is an important raw material for synthesizing fine chemical products. At present, there is a huge amount of butter alcohol in my country, accounting for 21% of the world's total, butterol is generated by a formic acid reaction by a formic acid reaction. Further, ntisobutanol is obtained, and the two molecular n-butyldehyde condensation can also be added to an unsaturated bond to obtain octanol, and it is used to refer to butter alcohol. Typical characteristics of butanol and octanol have alcohol organic matter have a special odor, which is colorless and transparent, flammable liquid, medium toxicity, and water can form azeotrope. Mainly used in the production of plasticizers, solvents, dehydrated agents, defoamers, dispersants, flotations, petroleum additives and...

AI Technical Summary

Problems solved by technology

[0021] First, in the method, only propylene and synthesis gas are contacted with the catalyst through the first oxo-synthesis butyraldehyde condensation unit, and the gas phase components enter the first oxo-synthesis to form large bubbles, but because the volume of the bubbles is too large, they cannot be combined with the liquid phase Catalysts are in full contact, reducing the reaction efficiency of the system

[0022] Second, in the method, the reaction rate of synthesis gas, propylene and catalyst decreases, resulting in a reduction in the utilization rate of propylene and synthesis gas, which largely causes waste of raw materials and increases the production cost of butanol and octanol, which does not conform to the existing cycle economic requirements

[0023] Third, the method does not consider the problems of small phase boundary area, serious droplet coalescence, and low reaction efficiency in the mixed butyraldehyde hydrogenation reaction.

[0024] Fourth, the hydrogenation reaction in the method uses a fixed-bed reactor. Because it is a strong exothermic reaction, a large amount of heat needs to be removed in the process, and the reaction energy consumption is large and the efficiency is low.

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