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A linkage air control system of oil unloading valve and emergency shut-off valve

A technology of air control system and cut-off valve, which is applied in the direction of valve operation/release device, lift valve, valve details, etc. It can solve problems such as forgetting to close, achieve convenient installation, reduce use cost, and improve safety performance.

Active Publication Date: 2022-06-07
CHANGZHOU KAIPENG LIQUID FLOW EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a linkage air control system of the oil unloading valve and the emergency cut-off valve to solve the problem of forgetting to close the emergency oil unloading valve due to its separate control

Method used

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  • A linkage air control system of oil unloading valve and emergency shut-off valve
  • A linkage air control system of oil unloading valve and emergency shut-off valve
  • A linkage air control system of oil unloading valve and emergency shut-off valve

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Embodiment Construction

[0029] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all of them.

[0030] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0031] like Figure 1-7 As shown in the figure, a linkage pneumatic con...

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Abstract

The invention relates to a linkage air control system of an oil unloading valve and an emergency shut-off valve, comprising an air control switch, and an air control mechanism connected with the oil unloading valve and cooperating with the oil unloading valve. The air control switch includes a master switch and at least two One shunt switch, the air outlet of one shunt switch is connected with the air inlet of the air control mechanism, the air outlet of the other shunt switch is connected with the air inlet of the emergency cut-off valve, the air outlet of the air control mechanism is connected with the main circuit The air inlet of the control air path of the switch is connected; when the air source is connected, the oil unloading valve is closed, the air inlet and the air outlet of the air control mechanism can be automatically switched to the connected state through mechanical linkage, and the main circuit switch is closed. The invention can realize the automatic closing of the emergency cut-off valve through the closing operation of the oil unloading valve, the gas circuit conversion of the air control mechanism and the closing of the main circuit switch in sequence, and is convenient in operation, high in safety performance and low in use cost.

Description

technical field [0001] The invention belongs to the technical field of automatic control of emergency cut-off valves for oil tankers, and in particular relates to a linkage pneumatic control system of an oil discharge valve and an emergency cut-off valve. Background technique [0002] In the process of loading or unloading oil, the oil tanker needs to open the unloading valve and the emergency shut-off valve. After the loading and unloading are completed, since the unloading valve is directly connected to the external oil pipe, it can be directly carried out when the oil pipe is removed. The emergency shut-off valve is directly installed on the tank body of the oil tanker. It needs to operate a separate pneumatic switch, or turn the handle above it to close it. In this way, the emergency shut-off valve often forgets to close. In the case of oil leakage caused by the bumping of the vehicle during the driving of the tanker, the safety performance is poor. [0003] In the prio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/44F16K31/12F16K1/02
CPCF16K31/44F16K31/12F16K1/02
Inventor 吴鹏陈国方龚锁祥
Owner CHANGZHOU KAIPENG LIQUID FLOW EQUIP CO LTD
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