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Salicylamide synthesis equipment and synthesis method thereof

A technology of salicylamide and synthesis equipment, which is applied in the field of salicylamide synthesis equipment and its synthesis, can solve the problems of high energy consumption, long process flow, high production cost, etc., and achieve the effect of high energy consumption and long process flow

Pending Publication Date: 2022-03-25
ZHENJIANG GAOPENG PHARMA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In this embodiment, a kind of salicylamide synthesis equipment and its synthesis method are provided. The process is long, and the general synthesis equipment has a large investment, high energy consumption, high production cost, and at the same time produces a large amount of acid and alkali waste liquid, which pollutes the environment

Method used

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  • Salicylamide synthesis equipment and synthesis method thereof
  • Salicylamide synthesis equipment and synthesis method thereof
  • Salicylamide synthesis equipment and synthesis method thereof

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Embodiment Construction

[0031] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0032] It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances for...

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Abstract

The invention discloses salicylamide synthesis equipment and a synthesis method thereof. The salicylamide synthesis equipment comprises a bottom plate, a vertical frame, a material mixing device, a material conveying device and a synthesis device, the mixing device comprises a mixing tank, a feeding port, a protective cover, a first motor, an inner cover, a first belt pulley, a first transmission belt, a transmission rod, a mixing rod and a partition plate, the mixing tank is mounted at the top end of the bottom plate, and the inner cover is mounted at the top end of the interior of the mixing tank; the material conveying device comprises a material receiving groove, a discharging pipe, a material conveying pump, a material conveying pipe, a valve, an alternating magnetic field generator, a transmission shaft, a high-pressure reaction kettle and an electromagnetic heater, the material conveying pump is installed between the top end of the bottom plate and the side wall of the vertical frame, and the high-pressure reaction kettle is rotationally connected into the vertical frame through the transmission shaft. According to the salicylamide synthesis equipment, the investment of the synthesis equipment is reduced, the energy consumption is reduced, the production cost is relatively low, and the environment is protected.

Description

technical field [0001] The present application relates to the technical field of salicylamide, in particular to a salicylamide synthesis equipment and a synthesis method thereof. Background technique [0002] The chemical name of salicylamide is o-hydroxybenzamide, which is a widely used chemical and pharmaceutical intermediate. It is also a kind of medicine itself, which is used to treat fever, headache, neuralgia, joint pain and active rheumatism. This product is a white needle-like crystal, soluble in ethanol, hardly soluble in water, soluble in alkaline solutions such as ammonia water and sodium hydroxide, and the aqueous solution is acidic. Industrially, concentrated sulfuric acid is used as a catalyst to synthesize methyl salicylate from salicylic acid through esterification. [0003] The method for synthesizing salicylic amide is mainly salicylic acid ammoniation method and methyl salicylate ammoniation method, and these two kinds of synthetic methods process flow a...

Claims

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Application Information

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IPC IPC(8): B01F27/906B01F27/85B01F35/30B01F35/31B01F35/75B01J3/04
CPCB01J3/04
Inventor 王成慧王成栋贡云林李冕
Owner ZHENJIANG GAOPENG PHARMA
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