Electric auto-control pressure regulating valve for micro-reaction equipment

A micro-reaction, pressure-regulating valve technology, applied in the field of pressure-regulating valves, can solve the problems of increasing manual workload, affecting experimental results, and unable to effectively ensure pressure stability, achieving the effects of strong integrity, reduction of external wiring, and low cost.

Inactive Publication Date: 2010-01-06
ENERGY RES INST OF SHANDONG ACAD OF SCI
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  • Abstract
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  • Claims
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Problems solved by technology

When the pressure fluctuates during use, manual adjustment is required to keep the reaction pressure stable, otherwise it will affect the experimental results
Therefore, in experiments that require high reaction pressure stability, the use of manual pressure regulating valves requires the operator to check and adjust the pressure frequently in time, which not only increases the manual workload, but also cannot effectively ensure the stability of the pressure. Stablize

Method used

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  • Electric auto-control pressure regulating valve for micro-reaction equipment
  • Electric auto-control pressure regulating valve for micro-reaction equipment

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] The structure of the electric self-control pressure regulating valve is as follows: figure 1 As shown, the pressure regulating valve body 1 with the hand wheel removed is fixed on the base 12 by the valve body fixing clip 2, and the pipeline interface is exposed to facilitate connection with the pipeline; the valve stem 7 of the pressure regulating valve body 1 passes through the coupling 8 is directly connected with the DC motor 10, and the DC motor 10 is fixed on the base 13 by the motor fixing bracket 9; in order to reduce the rotation speed and improve the adjustment accuracy, the DC motor 10 is an integral assembly with a reduction mechanism. There is a bolt on the pressure regulating valve body 1 that can move forward and backward along with the position of the valve stem 7, as the stroke moving contact 5 of the valve stem, and a micro swit...

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Abstract

The invention discloses an electric auto-control pressure regulating valve for micro-reaction equipment. The electric auto-control pressure regulating valve can automatically track the pressure changes of a system, regulates the system at any time, and can meet the requirements of stability and pressure automatic regulation by the macro-reaction equipment in the whole experimental process, thus reducing the interference of human factors and working strength, ensuring the accuracy and reliability of the experimental results, being applicable to the macro-reaction equipment. The electric auto-control pressure regulating valve of the invention comprises a pressure regulating valve body which is connected with a base; a valve rod of the pressure regulating valve body is connected with a motor through a coupler and is provided with a position detection device simultaneously, the position detection device is connected with the control circuit of a control circuit board on the base, and the control circuit is also connected with the motor.

Description

technical field [0001] The invention relates to a pressure regulating valve, in particular to an electric self-control pressure regulating valve for a miniature reaction device. Background technique [0002] The micro reaction device is an indispensable experimental equipment for the research of various high-pressure and high-temperature fixed-bed continuous reaction processes in the fields of petrochemical, organic chemical, and biochemical industries. It can conduct research on reaction mechanism and reaction kinetics; evaluation of catalysts, additives, and reaction raw materials ; Reaction condition exploration and other work. The reaction pressure is one of the main parameters of the micro-reaction device. The pressure control in the micro-reaction device is mainly completed by the pressure regulating valve. According to the different conditions of use, the pressure regulating valve is divided into two types: a pressure reducing valve and a back pressure valve. Utility...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/04F16K37/00
Inventor 白明侯延进王波崔新雨董红海蔡飞鹏王建梅
Owner ENERGY RES INST OF SHANDONG ACAD OF SCI
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