Pneumatically controlled slam-shut device
A cut-off device and emergency technology, applied in the direction of fluid pressure actuation device, fluid pressure actuation system safety, fluid pressure actuation system components, etc., can solve problems such as poor safety, achieve fast response speed, avoid casualties, and improve safety effect
Active Publication Date: 2022-08-02
ZHEJIANG KIN SHINE TECH
View PDF4 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] The present invention provides an improved filling or unloading control system for solving the problems of poor safety of the filling or unloading operation control system of the existing tank truck with a pump, and the above-mentioned safety accidents are easily caused by improper operation of operators. The safety of liquid operation, avoiding the emergency cut-off device of pneumatic control that causes safety accidents such as fire and explosion
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0010] figure 1 In the embodiment shown, a pneumatically controlled emergency shut-off device includes a gas circuit unit, a liquid-phase emergency shut-off valve 20 and a gas-phase emergency shut-off valve 10, and the gas circuit unit includes a gas storage bottle 50, an air filter 60, Pressure regulating valve 40, straight-through joint, two-position three-way electromagnetic reversing valve 30, double-acting cylinder and high-pressure gas delivery pipeline, high-pressure gas delivery pipeline such as liquefied gas delivery pipeline; gas storage cylinder 50 and air filter 60 The air inlet is connected, and then the air outlet of the air filter 60 is connected to the air inlet of the pressure regulating valve 40. The air outlet of the pressure regulating valve 40 is connected to the air inlet of the two-position three-way electromagnetic reversing valve 30 through the straight-through joint, and the two-position three-way The air outlet of the electromagnetic reversing valve ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a pneumatically controlled emergency cut-off device, comprising a gas circuit unit, a liquid-phase emergency cut-off valve and a gas-phase emergency cut-off valve. The gas circuit unit includes a gas storage bottle, an air filter, a pressure regulating valve, a straight-through joint, Two-position three-way electromagnetic reversing valve, double-acting cylinder and liquefied gas delivery pipeline; the gas storage cylinder is connected to the air inlet of the air filter, and then the air outlet of the air filter is connected to the air inlet of the pressure regulating valve, and the pressure regulating valve The air outlet is connected with the air inlet of the two-position three-way electromagnetic reversing valve through the three-way joint, and the air outlet of the two-position three-way electromagnetic reversing valve is respectively connected with two double-acting cylinders, and the two double-acting cylinders are respectively connected with the liquid phase. The emergency shut-off valve and the gas-phase emergency shut-off valve are controlled and connected, and the liquid-phase emergency shut-off valve and the gas-phase emergency shut-off valve are respectively controlled to be closed by the double-acting cylinder expansion and contraction. Improve the safety of liquid filling or unloading operations to avoid safety accidents such as fire and explosion.
Description
technical field [0001] The invention relates to a vehicle control system, in particular to a pneumatically controlled emergency cut-off device used on a tank truck with a pump for transporting liquefied gas. Background technique [0002] At present, liquefied gas is widely used as a clean energy for various purposes. Although liquefied gas can be transported by laying underground pipelines in cities or more developed market towns to meet people's various needs; in remote mountainous areas, Due to the comprehensive influence of the geographical environment in remote mountainous areas, it is difficult to provide people with convenient liquefied gas use channels by laying pipelines for ventilation. Usually, liquefied gas is transported to remote mountainous locations through different vehicle transportation methods to provide people with liquefied gas for use. In order to improve the efficiency of transportation and handling operations, the transport vehicle has been upgraded t...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): F15B13/02F15B20/00F15B19/00F15B21/041F15B21/08
CPCF15B13/02F15B20/00F15B19/00F15B21/041F15B21/08
Inventor 周利国王建中王华东王继新
Owner ZHEJIANG KIN SHINE TECH