Compressor startup control method
A compressor and timing control technology, applied in pump control, machine/engine, mechanical equipment, etc., can solve problems such as high labor costs and operational errors
Active Publication Date: 2018-02-16
SHENYANG BLOWER WORKS GRP AUTOMATIC CONTROL SYST ENG
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Problems solved by technology
[0004] The invention provides a compressor start-up control method, which solves the technical problems in the prior art that the start-up of the unit needs to be started manually, which is likely to cause operational errors and the labor cost is too high
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[0042] In order to make the above objectives, features and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0043] The embodiment of the present invention combines the control requirements and characteristics of each system unit of the compressor (compressor body, motor unit, dry gas seal system, electrical system, etc.), sets the control logic of the system, and realizes the control function of one-button safe starting of the compressor , A flowchart of a compressor startup control method provided by an embodiment of the present invention, such as figure 1 Shown, including:
[0044] Step 101: Make the oil pump in the lubricating oil system enter a normal state according to the control sequence of the lubricating oil system;
[0045] Wherein, the oil pump includes two mutually backup oil pumps and four pairwise jacking oil pumps,...
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The invention discloses a start-up control method for a compressor. According to the control sequence of the lubricating oil system, the oil pump in the lubricating oil system enters a normal state; when the oil pump in the lubricating oil system enters a normal state, an air-cooled motor is started; when the After the air-cooled motor is started, the valve control sequence is started to control the inlet valve, outlet valve, loading valve, isolation valve and vent valve; when the loading valve is closed, the high-voltage gate control is performed; when the high-voltage gate control is successful , run the high-voltage variable-frequency motor; when the high-voltage variable-frequency motor is running normally, adjust and control the speed of the high-voltage variable-frequency motor to make the compressor work in an optimal state; close the anti-surge control valve to make the compressor enter normal working condition. The invention realizes the safe start of the compressor, saves a lot of labor costs, and avoids misoperations and operation delays caused by manual operations.
Description
Technical field [0001] The invention relates to the technical field of industrial automatic control, and in particular to a compressor start control method. Background technique [0002] In the compressor application process, the compressor body, motor unit, dry gas seal system and electrical system are all controlled by independent manual or automatic control of each unit. The operation of each system is sometimes not closely related to the on-site process, resulting in Each system cannot give full play to its advantages, so that each system cannot work in an optimal state. Each system needs someone to be on duty and conduct real-time manual operation, which wastes a lot of manpower. Failure to operate in time during normal operation will also endanger the safety of each system unit. [0003] In the prior art, when the unit is started, the starting process is usually manually operated by humans. Once an operation error occurs in a certain link, the compressor cannot be started no...
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IPC IPC(8): F04B49/02
Inventor 孙春华王亮田盛王艳
Owner SHENYANG BLOWER WORKS GRP AUTOMATIC CONTROL SYST ENG