Full-automatic oil injection system of high-pressure compressor

Abstract

The invention discloses a full-automatic oil injection system of a high-pressure compressor, comprising an oil storage tank, an oil injector, an automatic control system and oil injection points distributed on a compressor air cylinder, wherein the automatic control system comprises a pressure sensor, an oil injector liquid level sensor, a solenoid valve, an oil injector speed regulating motor and a central processing unit; and the central processing unit is used for receiving digital signals of the pressure sensor and the oil injector liquid level sensor and sending a control command to a control circuit of the solenoid valve and a control circuit of the oil injector speed regulating motor. According to the full-automatic oil injection system of the high-pressure compressor provided in the invention, final outlet pressure data of the compressor are collected by the pressure sensor and a rotating speed of the oil injector speed regulating motor is controlled through the central processing unit, so that an oil injection amount is controlled, the abnormal injection of lubricating oil in an air cylinder can be reduced and avoided, the service life of a friction part is prolonged and the cost is reduced; and meanwhile, a phenomenon that the lubricating oil overflows when the oil storage tank coveys the oil into the oil injector to lubricate can be avoided and the lubricating oil is prevented from being wasted.

Description

technical field [0001] The invention relates to an auxiliary equipment of a compressor, in particular to a device for lubricating between a piston ring and a cylinder body of a high-pressure compressor. Background technique [0002] High-pressure compressors are essential equipment for providing high-pressure media or transporting high-pressure media in the chemical industry. Due to the large difference between the inlet pressure and the outlet pressure of high-pressure compressors, reciprocating compressor structures are more commonly used. The reciprocating compressor has the characteristics of large compression ratio and high safety, mainly including a cylinder and a piston; the compression of the gas is completed through the reciprocating movement of the piston in the cylinder. [0003] The piston ring is the main sealing part for the piston to complete the compression in the cylinder, and it is an indispensable part to ensure the work of the compressor. The piston rin...

AI Technical Summary

Problems solved by technology

In the prior art, the operator manually operates the valve on the oil delivery pipe of the oil storage tank to discharge oil into the oil injector, and the oil injector completes the oil injection. Since the manual oil discharge is not easy to control, a large amount of oil often overflows, resulting in the loss of lubricating oil. waste, and affect industrial hygiene

At the same time, the oil injection volume of each oil injection pump is adjusted by the operator, and there is no effective reference data, which often leads to insufficient or excessive oil injection in the cylinder, dry friction or cylinder liquid hammer phenomenon, and should respond The normal operation of the compressor; at the same time, more lubricating oil will enter the gas, affecting the normal production and even leading to process accidents

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