Erosion resistant flow pressure reduction device capable of adjusting opening degree
A technology of decompression device and opening degree, which is applied in the direction of pipes/pipe joints/fittings, mechanical equipment, pipe components, etc. It can solve the problems of fluid erosion and other problems, and achieve the effect of automatic control, large adjustable range and simple structure
Pending Publication Date: 2020-07-17
SHAOYANG UNIV
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However, these materials are often easily attacked by fluids flowing through the system
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[0015] Referring to the accompanying drawings, by describing the embodiments, the specific implementation of the present invention, such as the shape and structure of each component involved, the mutual position and connection relationship between each part, the role and working principle of each part, etc. Further details.
[0016] Such as Figure 1-6 As shown, an erosion-resistant fluid decompression device with adjustable opening is suitable for being arranged between the first pipeline 1 and the second pipeline 7. The fluid decompression device includes: a body 4, which is composed of Made of a first material with a first hardness; the inside of the body 4 is hollow to define a fluid channel 6; a diffuser 5, which includes a second material with a second hardness, and the diffuser 5 is detachable Installed in the installation area 2 of the body 4, the ribs 10 extending inward are arranged in the installation area 2 of the body 4, and the ribs 10 are configured to hold the...
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The invention provides an erosion resistant flow pressure reduction device capable of adjusting opening degree. The device comprises a main body and a diffuser, wherein the diffuser is provided with aplurality of flow paths for reducing intensity of pressure of flows flowing through a flow channel, the diffuser comprises a diffusion disk, a material of the diffusion disk is different from the material of the main body, and the material of the diffusion disk has greater hardness and comprises an erosion resistant material. A step motor is arranged in a counter bore of the diffusion disk, a rotating shaft of the step motor is connected with a rotary table, the rotary table is evenly provided with a plurality of rotary table through holes of which radiuses increase gradually. Rotation of thestep motor is controlled through a controller, thus, the rotary table through holes of different diameter size are aligned with the flow paths to adjust opening degree of the flow paths. The erosionresistant flow pressure reduction device capable of adjusting opening degree provided by the scheme of the invention is simple in structure, adjustable in a wide range, erosion-resistant and capable of realizing automatic control.
Description
technical field [0001] The invention belongs to a fluid decompression device, in particular to an erosion-resistant fluid decompression device with adjustable opening. Background technique [0002] In process control systems, it is often necessary to reduce the pressure of a fluid. In some cases, the pressure of the fluid must be reduced significantly. In cases where a relatively high pressure drop is required, the pressure drop ratio obtained by dividing the pressure change by the input pressure can be quite high. At present, a flow restricting device such as a diffuser is generally used, so that after the fluid passes through the fluid restricting device, the fluid flow rate increases. According to the Bernoulli equation, when the fluid velocity increases, its pressure will decrease accordingly. However, the current fluid restriction devices either cannot adjust the flow rate, or can be adjusted but the structure is complicated, and automatic control cannot be realized....
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IPC IPC(8): F16L55/027
CPCF16L55/02718
Inventor 李滔李剑张佳李萍李芳廖俊
Owner SHAOYANG UNIV