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A kind of feeding method of negative pressure reaction container

A reaction vessel and feeding method technology, applied in chemical instruments and methods, methods of chemically changing substances by using atmospheric pressure, chemical/physical processes, etc., can solve problems such as cost reduction, high cost, and cumbersome addition methods, and achieve The effect of convenient feeding operation, low input cost and simple feeding

Active Publication Date: 2018-02-06
利华益神剑化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, sometimes in the negative pressure reaction process, it is necessary to add materials to the reaction vessel under negative pressure. Adding materials under negative pressure is a difficult problem. Improve production efficiency and reduce costs

Method used

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  • A kind of feeding method of negative pressure reaction container

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Embodiment Construction

[0020] The specific implementation manner of the present invention will be described in further detail below by describing the embodiments with reference to the accompanying drawings.

[0021] Such as figure 1 As shown, the negative pressure reaction vessel B is connected with a feeding pipeline and a negative pressure pipeline C, and both the feeding pipeline and the negative pressure pipeline C are connected with the negative pressure reaction vessel, and the feeding pipeline is vertically arranged above the negative pressure reaction vessel.

[0022] The uppermost end of the feeding pipeline is the feeding port, and the feeding port is a tapered bucket structure. On the feeding pipeline, from the negative pressure reaction vessel to the feeding port, there are on-off valve I1, on-off valve II2, pressure tank A, on-off valve IV5, on-off valve I and On-off valve II is located below pressure tank A, and on-off valve IV is located above pressure tank A.

[0023] The pressure t...

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Abstract

The invention discloses a feeding method for a negative pressure reaction vessel, which comprises the following steps: 1) the pressure tank is in a state of normal pressure, and materials are added from the feeding port of the feeding pipeline, and the on-off valve IV is closed; 2) the pressure value of the pressure tank is set Equal to the pressure value of the negative pressure reaction vessel, the pressure sensor controls the regulating valve until the pressure values ​​of the two pressure sensors on the pressure tank and the negative pressure reaction vessel are equal; 3) Close the switching valve Ⅴ, open the switching valve Ⅲ and the regulating valve; 4) Open the switch valve between the pressure tank and the negative pressure reaction vessel, and the material enters the negative pressure reaction vessel. Feeding only needs to control each valve, and the feeding is simple.

Description

technical field [0001] The invention relates to the technical field of chemical equipment, in particular to a feeding method for a negative pressure reaction vessel. Background technique [0002] At present, the production of many chemical products is carried out under negative pressure conditions, and the reaction vessel needs to be in a negative pressure state during the production process. [0003] However, sometimes in the negative pressure reaction process, it is necessary to add materials to the reaction vessel under negative pressure. Adding materials under negative pressure is a difficult problem. Improve production efficiency and reduce costs. Contents of the invention [0004] Aiming at the deficiencies of the prior art, the technical problem to be solved by the present invention is to provide a feeding method for a negative pressure reaction vessel, so as to achieve the purpose of a simple feeding method. [0005] In order to solve the problems of the technolo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J3/02
Inventor 尹志国
Owner 利华益神剑化工有限公司