Compressor flow regulating mechanism and method
A flow regulation and compressor technology, applied in the field of compressors, can solve the problems of inability to use, adjustment range and application object limitation, and achieve the effect of solving the compressor flow regulation
Active Publication Date: 2020-03-31
西安佰能达动力科技有限公司
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- Application Information
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Problems solved by technology
However, since the clearance adjustment mechanism of the movable cylinder base cannot be used for the working volume of the shaft-side cylinder, the adjustment range and application objects of the clearance volume adjustment displacement of a compressor are greatly limited.
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[0034] Considering that when the compressor needs to adjust the displacement, its suction and discharge valves have different degrees of redundancy, and most compressor cylinders have more than two suction valves or discharge valves on the cover side or shaft side. Air valve, then, at least one of the air valves can be removed, and the valve cavity where the air valve is installed is converted into the clearance volume of the cylinder, so that the displacement can be adjusted within the range of 40-90%. Simple, low cost, low energy loss, and high reliability. The application flexibility is great, regardless of the cylinder head side or the shaft side. The present invention proposes a valve cavity as a displacement adjustment structure of the clearance volume. Such as figure 1 As shown, the five-stage compression multi-row cylinder compressor, except for the last stage, has more than two suction valves and exhaust valves for the same volume of the front four-stage cylinders, ...
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The invention discloses a compressor flow adjusting mechanism and method. The compressor flow adjusting mechanism comprises a compressor cylinder body; the compressor cylinder body includes a workingvolume; valve cavities for mounting air valves are formed in the compressor cylinder body; one or more of the valve cavities is internally provided with a clearance cylinder; the clearance cylinder isa cylinder with an opening at one end; the open end of the clearance cylinder is communicated with the working volume of the compressor cylinder body; and the closed end of the clearance cylinder isolates and seals the working volume of the compressor cylinder body from the outside. According to the compressor flow adjusting mechanism, one or more air valves are reserved for normal air suction and exhaust for the structure that the cylinder is provided with two or more air valves with the same name, one or two air valves with the volume at one side of the air cylinder is / are detached, and a cavity is formed for installing the clearance cylinder; and the technical problem of flow regulation of the compressor is effectively solved by utilizing the redundant air inlet and outlet valves.
Description
technical field [0001] The invention relates to the technical field of compressors, in particular to a compressor flow regulating device and method. Background technique [0002] Large-scale petrochemical and chemical compressors often adjust the displacement by pressing the suction valve on the full stroke and opening the suction valve on the partial stroke. The adjustment method of pressing and opening the suction valve during the full stroke can only make the displacement of the adjusted cylinder zero or 100%, which cannot meet the needs of most users; currently, the adjustment of the partial piston stroke to open the suction valve is considered The most advanced displacement adjustment technology. However, due to its complex adjustment structure, the price is very expensive, and each reciprocating cycle of the piston must perform a pressing and contracting action, which may easily cause damage and failure of the actuator or the air valve. In addition, the adjustment me...
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Patent Timeline
Login to View More IPC IPC(8): F04B39/10F04B39/12F04B49/22
CPCF04B39/10F04B39/122F04B49/225
Inventor 冯俊皓赵忖
Owner 西安佰能达动力科技有限公司