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Acetanilide synthesis special reactor

A technology of acetanilide and reactor, which is applied in the field of special reactors for acetanilide synthesis, to achieve the effects of reduced gas phase resistance, increased gas velocity at flooding point, and reduced power equipment and operating costs

Active Publication Date: 2019-04-23
NANJING POLYTECHNIC INSITUTE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So far, there is not a dedicated reactor in the prior art that can be used for directional synthesis of acetanilide

Method used

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Embodiment Construction

[0020] Such as figure 1 Shown, the present invention comprises reactor body 1, and reactor body 1 is made up of reactor top, bottom and sidewall, and the top of described reactor body 1 is provided with gas outlet 4; The bottom is provided with a liquid outlet 5; the lower part of the reactor body 1 is provided with a packing area; the middle and upper part of the reactor body 1 is provided with two hollow feed plates 2, and the gap between the hollow feed plate 2 and the outer wall of the reactor Space for material flow is reserved between them; the hollow feed plate 2 is vertically arranged, the upper part is provided with an air inlet 21, and the lower part is provided with a liquid inlet 22, and the inside of the hollow feed plate 2 is a hollow cavity , which can be used for gas and liquid mixing; on both sides of the middle part of the hollow feed plate 2, one side is a non-porous flat plate, and the other side is provided with a number of small holes which can be atomize...

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Abstract

The invention discloses an acetanilide synthesis special reactor. The acetanilide synthesis special reactor comprises a reactor body, which is composed of a reactor top, a reactor bottom and a reactorside wall; the acetanilide synthesis special reactor is characterized in that the top of the reactor body is provided with a gas exhaust outlet; the bottom of the reactor body is provided with a liquid discharging port; the lower portion of the reactor body is provided with a filling area; the middle upper portion of the reactor body is provided with two hollow feeding plates; space for materialsto flow in is formed between the hollow feeding plates and the outer wall of the reactor body.

Description

technical field [0001] The invention belongs to the technical field of chemical equipment, and in particular relates to a special reactor for acetanilide synthesis. Background technique [0002] Acetanilide, also known as N-phenyl (yl) acetamide, white shiny flaky crystal or white crystalline powder, acetanilide is the raw material of sulfonamide drugs, which can be used as analgesic, antipyretic and preservative. Used in the manufacture of dye intermediates p-nitroacetanilide, p-nitroaniline and p-phenylenediamine. It was widely used in the manufacture of acetaminophensulfonyl chloride during World War II. Acetanilide is also used to make thioacetamide. In industry, it can be used as a rubber vulcanization accelerator, a stabilizer for cellulosic coatings, a stabilizer for hydrogen peroxide, and for the synthesis of camphor, etc. It is also used as a culture medium for penicillin G production. It is an analgesic and antipyretic of the previous generation. Due to its low...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J8/02C07C231/02C07C233/07C22C38/42C22C38/44C22C38/48C21D8/02
CPCB01J8/02C21D8/0205C22C38/42C22C38/44C22C38/48C07C231/02C07C233/07
Inventor 涂杰
Owner NANJING POLYTECHNIC INSITUTE
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