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Acetone cyanohydrin low-temperature reactor

A technology of acetone cyanohydrin and reactor, which is applied in the chemical industry, can solve the problems of low conversion rate of high hydrocyanic acid, and achieve the effects of high reaction efficiency, improved conversion rate, and improved mixing efficiency.

Pending Publication Date: 2021-10-01
中石油吉林化工工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to provide a kind of acetone cyanohydrin low temperature reactor, solve the problem that the conversion rate of high hydrocyanic acid is low

Method used

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  • Acetone cyanohydrin low-temperature reactor

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Embodiment Construction

[0027] In order to more clearly describe the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that are used in the embodiments. Apparently, the drawings in the following description are only some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to these drawings without creative efforts.

[0028] When describing the embodiments of the present invention, the terms "vertical", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", " The orientation or positional relationship expressed by "horizontal", "top", "bottom", "inner" and "outer" is based on the orientation or positional relationship shown in the relevant drawings, which are only for the convenience of describing the present invention and simplifying the description, and It is not to indicate or imply that the device or element referred to must have a particu...

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Abstract

The invention relates to an acetone cyanohydrin low-temperature reactor. The reactor comprises a barrel (11), a first end socket structure (12), a second end socket structure (13), a stirrer (14) and an outflow device (15), wherein the first end socket structure (12) and the second end socket structure (13) are arranged at two opposite ends of the barrel (11), the stirrer (14) is arranged in the barrel (11), and the outflow device (15) is arranged in the barrel (11); the stirrer (14) comprises an input pipe (141) and a nozzle (142) connected with the input pipe (141); the outflow device (15) comprises an output pipe (151) and a liquid outlet nozzle (152) connected with the output pipe (151); and the position of the liquid outlet nozzle (152) is higher than that of the nozzle (142). The reactor effectively improves the conversion rate of hydrocyanic acid.

Description

technical field [0001] The invention relates to the field of chemical industry, in particular to an acetone cyanohydrin low-temperature reactor. Background technique [0002] Acetone cyanohydrin (ACH): (CH3)2C(OH)CN, colorless or brownish-yellow liquid, slightly bitter almond smell, widely used in civil, industrial, decoration, military and other fields. Because the acetone cyanohydrin molecule contains active hydroxyl and nitrile groups, a series of reactions such as hydrolysis, dehydration, alcoholysis, ammonolysis, and cyclization can occur, and many fine chemical products are derived, which are widely used in medicine, pesticides, food and feed additives , Coating additives and other industries. Acetone cyanohydrin is also an important chemical intermediate, the main purpose is to produce methyl methacrylate, and then make plexiglass; it can also be used to produce important initiator azobisisobutyronitrile and pesticides. As an important organic synthesis intermediate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J4/00B01J19/24C07C253/00C07C255/12
CPCB01J19/24B01J19/0053B01J4/002C07C253/00C07C255/12
Inventor 谭长斌宋顺利王艳红初宇红苑文博刘明东娄喜营周青蛟王敬坤
Owner 中石油吉林化工工程有限公司
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