Production device of 1,2-benzisothiazolin-3-one

A technology of benzisothiazoline and production equipment, which is applied in organic chemistry and other fields, and can solve complex problems

Inactive Publication Date: 2018-07-03
CHENGDU KE BO TE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing production devices are relatively complicated. 1,2-benzisothiazolin-3-one is used as a fungicide and antifungal agent.

Method used

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  • Production device of 1,2-benzisothiazolin-3-one

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0008] Production raw materials and dosage

[0009] Thionyl chloride

industrial grade

1200

benzene

industrial grade

Appropriate amount

dibenzoic acid disulfide

industrial grade

2900

bromine

industrial grade

Appropriate amount

catalyst

industrial grade

Appropriate amount

ammonia

industrial grade

Appropriate amount

[0010] The production equipment of 1,2-benzisothiazolin-3-one mainly includes: storage tank (F101), storage tank (F102), reaction kettle (D101), bromination kettle (D102), distillation tower (E101) , condenser (C101), storage tank (F103), recrystallization kettle (D103), storage tank (F104), centrifuge (L101), dryer (L102), wherein, storage tank (F101) is used for storing benzene, The storage tank (F102) is used to store thionyl chloride, the storage tank (F103) is used to recycle benzene, and the storage tank (F104) is used to store water, wherein the bromination kettle (D102) is ...

example 2

[0015] Production raw materials and dosage

[0016] Thionyl chloride

industrial grade

1300

benzene

industrial grade

Appropriate amount

dibenzoic acid disulfide

industrial grade

3000

bromine

industrial grade

Appropriate amount

catalyst

industrial grade

Appropriate amount

ammonia

industrial grade

Appropriate amount

[0017] The production equipment of 1,2-benzisothiazolin-3-one mainly includes: storage tank (F101), storage tank (F102), reaction kettle (D101), bromination kettle (D102), distillation tower (E101) , condenser (C101), storage tank (F103), recrystallization kettle (D103), storage tank (F104), centrifuge (L101), dryer (L102), wherein, storage tank (F101) is used for storing benzene, The storage tank (F102) is used to store thionyl chloride, the storage tank (F103) is used to recycle benzene, and the storage tank (F104) is used to store water, wherein the bromination kettle (D102) is ...

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PUM

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Abstract

A production device of 1,2-benzisothiazolin-3-one mainly comprises a storage tank (F101), a storage tank (F102), a reaction kettle (D101), a bromination kettle (D102), a distillation column (E101), acondenser (C101), a storage tank (F103), a recrystallization kettle (D103), a storage tank (F104), a centrifuge (L101) and a dryer (L102), wherein the storage tank (F101) is used for storing benzene,the storage tank (F102) is used for storing thionyl chloride, the storage tank (F103) is used for recovering benzene and the storage tank (F104) is used for storing water, the bromination kettle (D102) is respectively connected with the reaction kettle (D101) and the distillation tower (E101); the centrifuge (L101) is respectively connected with the recrystallization kettle (D103) and the dryer (L102), and the thickness of the sealing head of the storage tank (F102) is 8-9 mm.

Description

technical field [0001] The invention relates to a compound synthesis device, in particular to a production device of 1,2-benzisothiazolin-3-one. Background technique [0002] 1,2-Benzisothiazolin-3-one, as a fungicide and antifungal agent, is widely used in papermaking coating emulsion, adhesive, papermaking slurry, metal cutting fluid, hydraulic oil, oilfield mining, etc. It is stable and can be used in a wide pH range. There are already a variety of dosage forms, which can be used for different anti-mold objects. Most of the existing production devices are relatively complicated, and 1,2-benzisothiazolin-3-one is used as a fungicide and antifungal agent. The pros and cons of its production devices are of great economic significance for improving product quality and reducing by-product content. Contents of the invention [0003] The object of the present invention is to provide a production device for 1,2-benzisothiazolin-3-one, which mainly includes: storage tank (F101)...

Claims

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Application Information

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IPC IPC(8): C07D275/04
CPCC07D275/04
Inventor 刘杰
Owner CHENGDU KE BO TE TECH CO LTD
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