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Rotary positive-pressure feeding bin for chlorothalonil production system and using method of rotary positive-pressure feeding bin

A feeding bin and rotary technology, applied in chemical instruments and methods, feeding devices, chemical/physical processes, etc., can solve problems such as the use of production systems, feeding bin storage, and discomfort with chlorothalonil, etc., to improve production Efficiency, reduced use height, and reduced feeding time

Pending Publication Date: 2019-06-14
JIANGSU XINHE AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, through a comprehensive analysis, the above-mentioned disclosed feeding devices still have their inherent defects. On the one hand, they are not suitable for use in conjunction with the production system of chlorothalonil. Equipment is severely limited by site conditions

Method used

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  • Rotary positive-pressure feeding bin for chlorothalonil production system and using method of rotary positive-pressure feeding bin
  • Rotary positive-pressure feeding bin for chlorothalonil production system and using method of rotary positive-pressure feeding bin
  • Rotary positive-pressure feeding bin for chlorothalonil production system and using method of rotary positive-pressure feeding bin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0076] This embodiment provides a chlorothalonil production system, which includes a feed unit and a reaction unit connected in sequence.

[0077] The feeding unit includes the rotary positive pressure feeding bin provided in the specific embodiment. Exemplarily, this embodiment also provides a rotary positive pressure feeding bin suitable for the chlorothalonil production system of the present invention. Processing size, specifically, the storage section shell of the rotary positive pressure feeding bin is a cuboid structure, and the length, width and height of the storage section shell are 1600mm, 1600mm, and 500mm in turn; the row of the rotary positive pressure feeding bin The shell of the feeding section is a polyhedral cone structure, the bottom of the polyhedron cone has a width of 1600 mm, a length of 500 mm, and a height of 500 mm. The total volume of the shell of the rotary positive pressure feeding bin is about 1.5m 3 , the wall thickness is 10mm, and the material ...

Embodiment 2

[0081] In this embodiment, the production system provided in Example 1 is used to produce chlorothalonil products, and the production process specifically includes the following steps:

[0082](1) The activated carbon catalyst is fed through a rotary positive pressure feeding bin and transported to the fluidized bed reactor at a volume flow rate of 1.5-2t / h;

[0083] (2) The dinitrile of 0.5t / h and the chlorine reaction raw material of 1t / h enter the fluidized bed reactor and react with the catalyst to generate crude product chlorothalonil;

[0084] (3) The crude chlorothalonil obtained in step (2) is refined through a refining and purification unit to obtain a chlorothalonil product.

[0085] Wherein, the described feeding process of step (1) comprises the steps:

[0086] (a) Add the catalyst from the feed port of the feed bin, and close the feed port, exhaust port and discharge port of the feed bin;

[0087] (b) Open the air inlet of feeding bin, pass into nitrogen in the ...

Embodiment 3

[0091] In this embodiment, the production system provided in Example 1 is used to produce chlorothalonil products, and the production process specifically includes the following steps:

[0092] (1) The activated carbon catalyst is fed through a rotary positive pressure feeding bin and transported to the fluidized bed reactor at a volume flow rate of 2-2.5t / h;

[0093] (2) The dinitrile of 0.5t / h and the chlorine reaction raw material of 1t / h enter the fluidized bed reactor and react with the catalyst to generate crude product chlorothalonil;

[0094] (3) The crude chlorothalonil obtained in step (2) is refined through a refining and purification unit to obtain a chlorothalonil product.

[0095] Wherein, the described feeding process of step (1) comprises the steps:

[0096] (a) Add activated carbon catalyst from the feeding port of the feeding bin, and close the feeding port, exhaust port and discharge port of the feeding bin;

[0097] (b) open the air inlet of feeding bin, ...

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Abstract

The invention provides a rotary positive-pressure feeding bin for a chlorothalonil production system and a using method of the rotary positive-pressure feeding bin. The rotary positive-pressure feeding bin comprises a feeding bin body, a lifting device and a supporting frame, wherein the lifting device and the supporting frame are arranged at the two ends of the bottom of the feeding bin body correspondingly, and the feeding bin body rotates around the junction of the feeding bin body and the supporting frame under the lifting effect of the lifting device. The rotary positive-pressure feedingbin is in a completely sealed positive-pressure state in the feeding process, material waste and environment pollution caused by dust generated in the feeding process are avoided, the feeding bin canascend and descend at will through the lifting device to completely discharge materials in the feeding bin to the next procedure, thus the materials are put precisely and completely, material storageof the feeding bin is avoided, after the feeding bin is put into use, the feeding time is greatly shortened, the operation environment is improved, and the production efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of pesticide production, and relates to a feeding bin used in a chlorothalonil production system and a usage method thereof, in particular to a rotary positive pressure feeding bin used in a chlorothalonil production system and a usage method thereof. Background technique [0002] Chlorothalonil is a high-efficiency, low-toxicity, broad-spectrum, low-residue protective fungicide, which is widely used in the control of fungal diseases in agriculture and forestry, especially in vegetables, fruits and other economic crops. Chlorothalonil can control fifty-two diseases of more than thirty kinds of crops. In addition, chlorothalonil also has important uses in the anti-mold industry, such as the manufacture of anti-mold paint, anti-mold wallpaper, anti-mold of electrical appliances, and anti-mold of apples and wood. The production scale of chlorothalonil in China is constantly expanding, and it has become one of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J4/00
Inventor 刘建明王振宇刘向东
Owner JIANGSU XINHE AGROCHEM
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