A valve with adjustable pressure drop
An adjustable and valve technology, applied in the direction of sliding valves, valve details, valve devices, etc., can solve the problems of medium turbulence, pipeline system vibration, large valve operating torque, etc., to reduce turbulence, adjust medium pressure and flow flexibility , The effect of small operating torque
Active Publication Date: 2014-10-15
CHINA PETROCHEMICAL CORP +1
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Problems solved by technology
[0004] The purpose of the present invention is to solve the problems that the flow pattern of the medium is easily changed when the conventional valve is operated, the medium in the pipeline is turbulent, the pipeline system is caused to vibrate, the operating torque of the valve is large, and the adjustment of medium pressure and flow is not flexible enough. Insufficient to provide a valve with adjustable pressure drop, which can manually adjust the pressure of the pipeline system according to pressure fluctuations, and play a role in stabilizing the pressure, thereby suppressing the vibration of the pipeline, which is especially suitable for two-phase flow pipelines
Method used
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Embodiment Construction
[0019] Below in conjunction with accompanying drawing, the present invention is described in further detail:
[0020] Such as figure 1 As shown, an adjustable pressure drop valve includes a valve stem 1, a valve body 2, a slide rod bracket 3, a sleeve 4, a slide plate 5, a slide rod 6 and a valve stem positioning seat 7, wherein the valve stem 1 and the slide rod 6 Linkage connection constitutes a 90° angular connection transmission mechanism. The slider rod 6 drives the slider 5 to make piston movement along the axis of the valve in the sleeve 4. When the valve stem 1 rotates clockwise or counterclockwise, it will drive the slider rod 6 and slide plate 5 move left and right along the center line of the valve. Since the area of the hole in and out of the sleeve 4 changes accordingly, the flow area of the medium passing through the sleeve 4 and slide plate 5 in the valve cavity is changed, thereby realizing The purpose of adjusting the pressure drop before and after the va...
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The invention provides a valve capable of regulating pressure drop and belongs to the field of valves. The valve comprises a valve body, a sleeve, a sliding plate, a valve rod, a sliding plate rod, a sleeve support, a valve rod positioning base and a sliding plate rod support. The valve rod is in linkage connection with a sliding plate rod in the valve body, the sliding plate rod drives the sliding plate to perform piston motion in the sleeve along the axial direction of the valve, and holes are arranged on the side wall of the sleeve and the sliding plate according to a certain rule. The valve capable of regulating the pressure drop overcomes the defect that when an existing typical valve is operated, medium in a pipe is easy to form turbulence so as to lead a pipe system to vibrate, operation torsion is large, and regulation is inflexible, is small in operation torque, and regulates flexibility of regulation medium pressure and flow.
Description
technical field [0001] The invention belongs to the field of valves, in particular to a valve with adjustable pressure drop. Background technique [0002] Valves are widely used in pipeline transportation systems in many industrial fields such as petroleum, chemical industry, light industry, pharmaceuticals, etc., to connect and cut off the medium, adjust the pressure and flow of the medium, etc., but due to the existing typical valves (gate valve, globe valve, ball valve) Butterfly valves, etc.) have inherent structural types, but also have the following disadvantages: 1. When the valve is operated, it is easy to cause the flow pattern of the medium to change, and the medium in the pipeline forms turbulent flow, causing the pipeline system to vibrate; 2. The operating torque of the valve Larger, the adjustment of medium pressure and flow is not flexible enough. [0003] With the rapid development of petrochemical industry, some 10 million tons of oil refining and one milli...
Claims
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IPC IPC(8): F16K3/26F16K3/30F16K3/316F16K31/54
Inventor 丘平柯松林章忻陈开辈
Owner CHINA PETROCHEMICAL CORP