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Oil discharging system exhauster and oil discharging system

A technology of oil unloading system and exhaust device, which is applied in the field of oil transportation, can solve problems such as being discharged indoors, and achieve the effect of eliminating potential safety hazards and avoiding air resistance

Inactive Publication Date: 2020-02-25
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention provides an exhaust device for an oil unloading system and an oil unloading system to solve the safety problem that the open exhaust valve discharges oil vapor indoors during the oil unloading process

Method used

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  • Oil discharging system exhauster and oil discharging system
  • Oil discharging system exhauster and oil discharging system
  • Oil discharging system exhauster and oil discharging system

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0022] figure 1 It is a schematic diagram of an oil unloading system provided by an embodiment of the present invention. Such as figure 1 As shown, the oil unloading system includes an oil unloading circuit 1 . The oil unloading circuit 1 includes an oil inlet pipeline 10 , an oil pump 20 and an oil outlet pipeline 30 . The oil inlet pipeline 10, the oil pump 20 and the oil outlet pipeline 30 are connected in sequence.

[0023] Optionally, at least one stop valve is installed on the oil inlet pipeline 10 . For example, in figure 1 In the illustrated embodiment, there are three, namely the first cut-off valve 13 , the second cut-off valve 14 and the third cut-off valve 15 . The first shut-off valve 13, the second shut-off valve 14...

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Abstract

The invention discloses an oil discharging system exhauster and an oil discharging system. The oil discharging system comprises an oil discharging loop and the exhauster, wherein the oil discharging loop comprises an oil-taking pipeline, an oil pump and an oil-discharging pipeline sequentially connected; the oil discharging system exhauster comprises an exhausting stop valve, a straight-through sight glass, an exhausting pipeline and a reflux tank; one end of the exhausting stop valve is connected with high-point fluid of the oil-taking pipeline of the oil discharging system; one end of the straight-through sight glass is connected with fluid at the other end of the exhausting stop valve; the other end of the straight-through sight glass is connected with fluid at one end of the exhaustingpipeline; the other end of the exhausting pipeline stretches into the reflux tank; a non-return stop valve is further mounted at the part, close to the reflux tank, of the exhausting pipeline; and anexhausting valve is arranged at the top of the reflux tank. The oil discharging system solves the problem that when the oil pump has air-resisting exhausting, oil vapor is directly discharged into anindoor pump house to eliminate the potential safety hazard of an operating site.

Description

technical field [0001] The invention belongs to the field of oil delivery, in particular to an exhaust device and an oil unloading system for an oil unloading system. Background technique [0002] Oil unloading refers to the use of oil pumps to transport the oil in tank trucks and underground oil tanks to the oil storage tank area through oil pipelines. During the oil unloading process, the oil in the oil pipeline will volatilize under the influence of temperature to generate oil vapor. When the oil vapor accumulates too much in the oil pipeline, air lock will appear. The air lock phenomenon will cause the oil supply of the oil pump to be insufficient or interrupted, resulting in the failure of the oil pump to deliver the oil to the destination. Therefore, it is necessary to discharge the oil vapor in the oil pipeline through the exhaust device. [0003] At present, an open exhaust valve is usually set at the highest point of the oil inlet pipeline of the oil pump. When t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B67D7/32B67D7/04
CPCB67D7/32B67D7/0478
Inventor 安成鸿
Owner PETROCHINA CO LTD
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