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Safety for selectively liquid specific gravity

A liquid specific gravity and safety valve technology, applied in the field of safety valves

Inactive Publication Date: 2006-11-15
王杰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

To this, there is still no way and equipment to prevent and stop

Method used

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  • Safety for selectively liquid specific gravity
  • Safety for selectively liquid specific gravity
  • Safety for selectively liquid specific gravity

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Experimental program
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specific Embodiment approach

[0018] As shown in Figure 1, the schematic diagram of the working principle of the safety valve with the specific gravity of the liquid selected. The safety valve for selecting the specific gravity of the liquid includes a housing 1, an inlet 2 and an outlet 3, and is characterized in that there is a liquid inlet chamber 4 and an oil outlet chamber 5 in the housing, and there is a partition between the inlet chamber and the outlet chamber The plates 6 are separated; a float device 7 is installed in the liquid inlet chamber, a valve control device 8 for controlling liquid inlet and discharge to the diaphragm valve, and an exhaust valve device 9 is installed on the top of the liquid inlet chamber; A diaphragm valve 10 is installed in the cavity, and the valve port 101 of the diaphragm valve is on the partition; figure 2 Shown is a schematic diagram of the working principle of the control valve. The valve control device has a liquid inlet pipe 801 leading to the liquid chamber, ...

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Abstract

A safety valve of selecting liquid specific gravity includes a casing, an inlet and an outlet. In the casing there is a liquid-intaking cavity and a liquid-discharging cavity separately by a baffle. In the liquid-intaking cavity are mounted a float device and a valve-control device and on the top of the liquid-intaking cavity is mounted an exhaust valve device. A diaphragm valve is mounted in the liquid-discharging cavity. According to the liquid specific gravity, the float in the float device can rise a certain position by the undulatory motion of the float device in the liquid-intaking cavity, and float position is used for controlling liquid-intaking and liquid-discharging switch valves to realize passing and stopping of the liquid in the safety valve controlled by selecting liquid specific gravity.

Description

technical field [0001] The invention belongs to liquid valve products, in particular to a safety valve used in a vehicle-mounted oil tank and a pipeline for unloading oil into an oil storage tank. Background technique [0002] At present, it is used for oil unloading device in light oil tank car, such as Chinese Patent Publication No. 2139079 "railway light oil tank car inner pipe oil unloading device" is composed of oil suction, oil unloading, balance valve and so on. The device mainly minimizes "air resistance", reduces oil loss and protects the environment. However, with the increase of the amount of oil in the society, the delivery of oil to gas stations is also increasing. Often, oil is unloaded at night, and gasoline and diesel are used for distribution in the same vehicle. Operators are often prone to confusion, causing unloading to storage oil Inconsistencies in the tank, such as unloading gasoline into the diesel storage tank or unloading diesel into the gasoline s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K17/00F16K31/18
Inventor 王杰
Owner 王杰