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Method and system for controlling transmitting-receiving ball valve bank

A technology for sending and receiving balls and valve groups, which is applied in the program control, electrical program control, valve operation/release device, etc. Achieve the effect of improving safety factor, high reliability and simple transformation method

Inactive Publication Date: 2015-04-01
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, this method must be unlocked in sequence, the operation is cumbersome and prone to misoperation; in addition, it is not conducive to timely maintenance after the valve has a problem

Method used

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  • Method and system for controlling transmitting-receiving ball valve bank
  • Method and system for controlling transmitting-receiving ball valve bank
  • Method and system for controlling transmitting-receiving ball valve bank

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Embodiment Construction

[0018] In order to enable those skilled in the technical field to which the application belongs to understand the application more clearly, the technical solutions of the application will be described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0019] see figure 1 , There are three valves in the receiving and receiving ball cylinder PR-0101, namely the bypass valve V-0103, the inlet valve V-0102 and the outlet valve V-0108 of the receiving and receiving ball cylinder. Among them, bypass valve V-0103 controls one pipeline, inlet valve V-0102 and outlet valve V-0108 control one pipeline. The purpose of the present invention is to ensure that the pipeline controlled by the bypass valve V-0103, the pipeline controlled by the outlet valve V-0108 and the inlet valve V-0102 have one path in a normally open state, otherwise pressure will be caused.

[0020] Therefore, a system for controlling the sending and receiving ball valve group...

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PUM

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Abstract

The invention discloses a method and a system for controlling a transmitting-receiving ball valve bank. Opening and closing of a bypass valve, an inlet valve and an outlet valve are interlocked, the valves need to be operated in a correct order, on-site valves are automatically locked according to program settings if operators mistakenly switch procedures, misoperation of the valves is fundamentally avoided, safety and reliability are realized, normal operation of staff cannot be affected, and the valves can be timely maintained when damaged.

Description

technical field [0001] The invention relates to the technical field of pipeline systems, in particular to a method and system for controlling a sending and receiving ball valve group. Background technique [0002] At present, for controlling the sending and receiving ball valve group, it is generally used to install electrical lock equipment on the on-site sending and receiving ball valve group to realize this function, that is, to install electrical locks for the valves that need to be protected, and to set the opening sequence, the operator must follow the sequence After unlocking with the unlock key in turn, the valve can be opened, so as to achieve the purpose of protecting the valve. [0003] However, this method must be unlocked in sequence, which is cumbersome and prone to misoperation; in addition, it is not conducive to timely maintenance after the valve has a problem. Contents of the invention [0004] In order to solve the above technical problems, the present ...

Claims

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Application Information

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IPC IPC(8): F16K31/02G05B19/05
CPCF16K31/02F16K35/14
Inventor 吴振宁赵猛唐岩李云超富影杰赵文杰李豪刘兵宋征
Owner PETROCHINA CO LTD