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Self-operated oil spill prevention device for oil tank

A self-operated, anti-overflow technology, applied in valve devices, valve operation/release devices, functional valve types, etc., can solve problems such as inaccurate metering, oil overflow in oil storage tanks, and failure to close valves in a timely manner, and achieve improved hydraulic performance. Bit accuracy, easy maintenance, and the effect of avoiding environmental pollution

Inactive Publication Date: 2016-05-04
LOGISTICAL ENGINEERING UNIVERSITY OF PLA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, when the oil storage tanks in the oil depot are receiving and unloading oil, due to inaccurate measurement or careless operation, the valves are not closed in time, causing oil storage tanks to overflow, which is not only wasteful, but also pollutes the environment and even causes dangerous accidents

Method used

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  • Self-operated oil spill prevention device for oil tank
  • Self-operated oil spill prevention device for oil tank
  • Self-operated oil spill prevention device for oil tank

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A self-operated oil spill prevention device for an oil tank, characterized in that it includes a main valve 1, a pilot valve 9, an oil outlet pipe 4, an oil inlet pipe 6, a pressure guide pipe 7, an oil guide pipe 8 and a first pipe 15.

[0034] The main valve 1 includes a valve cover 101 , a connecting rod 102 , a valve body 103 , a valve flap 105 and a diaphragm 107 . The membrane 107 seals the upper opening of the valve body 103 . The lower part of the valve cover 101 is open. The lower end opening of the valve cover 101 is installed on the upper end opening of the valve body 103 . The diaphragm 107 separates the valve body 103 and the valve cover 101 . The diaphragm 107 is located between the valve body 103 and the valve cover 101 . The diaphragm 107 is an elastic diaphragm. The valve cover 101 and the diaphragm 107 enclose an upper cavity 2 . The valve body 103 and the diaphragm 107 form a lower chamber 3 . There is also a left chamber 5 below the lower chamb...

Embodiment 2

[0044] The main structure of this embodiment is the same as that of Embodiment 1. The difference is that the opening area of ​​the upper end of the valve body 103 is not necessarily larger than the opening area of ​​the hole.

[0045] In this embodiment, there are several springs 108 in the upper cavity 2 . The upper end of the spring 108 is installed below the inner wall of the upper chamber 2 , and the lower end is installed above the diaphragm 107 .

[0046] Preferably, a guide sleeve 109 is arranged above the inner wall of the upper chamber 2 . The upper end of the spring 108 is in contact with the inner wall of the upper chamber 2 . The lower end of the spring 108 is in contact with the upper surface of the metal disc 106 . The upper surface of the metal disc 106 is equipped with guide rods. The guide rod is inserted into the guide sleeve 109 . The lower surface of the metal disk 106 is in contact with the upper side of the diaphragm 107 .

[0047] Further, the pilo...

Embodiment 3

[0055] The main structure of this embodiment is the same as that of Embodiment 2.

[0056] Preferably, the opening area of ​​the upper end of the valve body 103 is larger than the opening area of ​​the hole. That is, the features of Embodiment 1 and Embodiment 2 are combined.

[0057] Further, the pilot valve 9 also includes an adjusting screw 909 and a waterproof cover 908 . The adjusting screw 909 penetrates the upper valve body 901 from the outside and abuts against the spring baffle 907 . The waterproof cover 908 covers the adjusting screw 909 . The purpose of setting the waterproof cover 908 is to protect the adjusting screw 909 from man-made or natural damage, and prevent unrelated personnel from adjusting the adjusting screw 909 at will.

[0058] The adjusting screw 909 is provided for conveniently controlling and closing the oil pressure of the main valve 1, so that the anti-overflow device has versatility and is suitable for different oil depots. Specifically, acc...

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Abstract

The invention is a self-operated oil spill prevention device for an oil tank, which comprises a main valve, a pilot valve, an oil outlet pipe, an oil inlet pipe, a pressure guide pipe, an oil guide pipe and a first pipe. The main valve includes a valve cover, a connecting rod, a valve body, a valve disc and a diaphragm. The pilot valve includes an upper valve body, an induction membrane, a push rod, a sleeve and a lower valve body. The oil outlet of the oil inlet pipe is connected to the left cavity. One nozzle of the oil outlet pipe is connected to the lower cavity, and the other nozzle is connected to the oil storage tank.

Description

technical field [0001] The invention relates to the technical field of oil loading and unloading operations, in particular to a self-operated oil spill prevention device for preventing oil leakage when oil is collected in an oil tank, and can also be used for overflow prevention when loading and unloading tanks of other liquids. Background technique [0002] Safety is the primary issue in the daily technical management of oil depots, and the safety status and operation of oil storage tanks is an important content of oil depot safety work. [0003] At present, due to inaccurate measurement or careless operation when receiving and unloading oil in oil depots, the valves are not closed in time, resulting in oil overflow in the oil storage tanks, which is not only wasteful, but also pollutes the environment and even causes dangerous accidents. Contents of the invention [0004] The object of the present invention is to overcome the deficiencies in the prior art and propose an ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K17/00F16K21/18F16K31/126
CPCF16K17/00F16K21/18F16K31/126
Inventor 赵晓刚周毅赵健宇
Owner LOGISTICAL ENGINEERING UNIVERSITY OF PLA
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