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A special reactor for directional synthesis of p-chlorotoluene

A technology for directional synthesis of p-chlorotoluene, applied in chemical/physical/physical-chemical nozzle reactors, chemical instruments and methods, organic chemistry, etc., to achieve reduced power equipment and operating costs, high mass transfer efficiency, and large reactants Effect of contact area

Active Publication Date: 2017-07-21
JIANGSU LIYANG NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] It can be seen that there is no dedicated reactor for directional synthesis of p-chlorotoluene

Method used

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  • A special reactor for directional synthesis of p-chlorotoluene
  • A special reactor for directional synthesis of p-chlorotoluene
  • A special reactor for directional synthesis of p-chlorotoluene

Examples

Experimental program
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Embodiment Construction

[0020] Such as figure 1 As shown, the special reactor for the directional synthesis of p-chlorotoluene of the present invention includes a reactor body 1, the upper part of the reactor body 1 is provided with a first hollow inlet plate 2, a hollow liquid inlet plate 3, and the first hollow inlet plate The gas plate is provided with some nozzles 4, such as figure 2 As shown, it is composed of an inner tube 41, an outer shell 42 and a nozzle 43. The inner tube is connected to the first hollow inlet plate 1, and the outer shell is connected to the hollow liquid inlet plate 2; the inner space of the inner tube is connected to the first hollow inlet plate. The air intake space of the gas plate; the inner space of the shell communicates with the liquid intake space of the hollow liquid intake plate; the lowermost end of the inner tube is closed. There are several small holes all over the inner tube, the diameter of the small holes is less than 5mm, and the distribution of the smal...

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Abstract

The invention discloses a special reactor for oriented synthesis of p-chlorotoluene. The special reactor comprises a reactor body 1, wherein a first hollow air inflow board 2 and a hollow liquid inflow board 3 are arranged at the upper part of the reactor body 1; a plurality of nozzles 4 are arranged on the first hollow air inflow board; each nozzle consists of an inner tube, a housing and a spray nozzle; the inner tubes are connected with the first hollow air inflow board 1; the housings are connected with the hollow liquid inflow board 2; a second hollow air inflow board 5 is arranged at the lower part of the reactor body; a plurality of injection orifices are formed in the second hollow air inflow board; the nozzles are arranged opposite to the jetting directions of the injection orifices.

Description

technical field [0001] The invention belongs to the technical field of chemical equipment, and in particular relates to a special reactor for directional synthesis of p-chlorotoluene. Background technique [0002] Both p-chlorotoluene and o-chlorotoluene are very important raw materials for fine organic chemicals. In recent years, the production of many new types of intermediates such as pharmaceuticals, pesticides, and dyes use them as starting materials. These intermediates show very bright development prospects , domestic and foreign markets are unanimously optimistic. The huge development space of the downstream market stimulates and promotes the production and development of chlorotoluene. There are two main methods for the industrial synthesis of chlorotoluene, the more commonly used is the direct chlorination method using toluene as raw material. Chlorination of toluene mainly produces three isomers of o-chlorotoluene, m-chlorotoluene and p-chlorotoluene, among whic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J19/26C07C25/02C07C17/12C22C38/48C22C38/44C22C38/42C21D1/26C21D1/18C21D1/74
CPCB01J19/26C07C17/12C21D1/18C21D1/26C21D1/74C22C38/42C22C38/44C22C38/48C07C25/02
Inventor 涂杰
Owner JIANGSU LIYANG NEW MATERIALS CO LTD
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