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Oil field valve

A valve, oil field technology, applied in the direction of lift valve, valve details, valve device, etc., can solve the problems of shortening the service life of the valve core and the impact of the valve core, and achieve the effect of prolonging the service life, reducing the impact and increasing the damage.

Inactive Publication Date: 2021-11-26
唐佳丽
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention is mainly used to solve the problem that due to the large amount of metal impurities and sandstones in the crude oil, more particulate matter is deposited inside the valve. When the valve is opened, the particulate matter will rush to the valve core along with the crude oil, causing damage to the valve core. Impact, aggravating the damage of the spool and shortening the service life of the spool

Method used

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  • Oil field valve
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Embodiment Construction

[0033] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0034] Such as Figure 1 to Figure 6 As shown, an oil field valve includes a valve body 1, a hand wheel 2, a valve stem 3 and a valve core assembly 4; one end of the valve body 1 is provided with an oil inlet passage 11; the other end of the valve body 1 is provided with an oil outlet Channel 12; the oil outlet channel 12 communicates with the oil inlet channel 11 through the oil outlet 13; the valve body 1 is provided with the valve stem 3; the valve stem 3 is threadedly connected to the valve body 1; The upper end of the valve stem 3 is provided with the handwheel 2; the handwheel 2 is fixedly connected with the valve stem 3; the valve core assembly 4 is arranged at the lower end of the valve stem 3; The valve rod 3 is connected in rotation; th...

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Abstract

The invention belongs to the technical field of valves and particularly relates to an oil field valve. The oil field valve comprises an elastic transmission part and a conveying part. A valve rod is driven to rotate through a hand wheel, so that a valve element assembly is driven to move downwards, the valve is closed, the hand wheel is reversely rotated, the valve element assembly is driven to move upwards, and the valve is opened; during closing, the valve rod drives the elastic transmission part to rotate, the conveying part is driven to rotate, downward acting force is generated on particulate matters in crude oil, the particulate matters are deposited at the bottom of a residue depositing groove, the particulate matters existing in the crude oil are reduced, and the impact of the particulate matters on the valve element assembly is reduced; when the valve is opened, the valve rod drives a flexible transmission part and the conveying part to rotate reversely, the particulate matters in crude oil below an oil outlet is stirred so as to prevent the particulate matters from intensively impacting the valve element assembly, the impact on the valve element assembly is reduced, the damage probability of the valve element assembly is reduced, and the service life of the valve element assembly is prolonged.

Description

technical field [0001] The invention belongs to the technical field of valves, in particular to an oil field valve. Background technique [0002] Valves are the control components in the fluid delivery system. They have the functions of cut-off, adjustment, diversion, prevention of reverse flow, pressure stabilization, diversion or overflow pressure relief. Valves can be used to control air, water, steam, various corrosive media, mud, etc. Valves can be divided into cast iron valves, cast steel valves, stainless steel valves, chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, duplex steel valves, plastic valves, etc. Valves, non-standard custom-made valves, etc., the transmission pipeline in the oil field needs to use the stop valve to control the interruption and circulation of the transmission system. [0003] Because there are a lot of metal impurities and sandstone in the crude oil, a lot of particulate matter is deposited inside the valve. When th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/00F16K1/46F16K1/48F16K47/04F16K27/02B01F7/26B01F7/00B01D35/04B01F27/93
CPCF16K1/00F16K1/46F16K1/48F16K47/04F16K27/02B01D35/04
Inventor 唐佳丽
Owner 唐佳丽
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