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Full-automatic start-stop control system of diaphragm compressor

A diaphragm compressor, start-stop control technology, applied in the direction of pump control, machine/engine, mechanical equipment, etc., can solve the problems of complex control process of diaphragm compressor and manual operation on site, so as to reduce the risk of seal failure and avoid efficiency Reduce and achieve the effect of exhaust pressure

Active Publication Date: 2021-07-13
康姆凯思新能源技术(上海)有限公司
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Problems solved by technology

[0004] In order to solve the problems existing in the above-mentioned background technology, the present invention proposes a fully automatic start-stop control system of the diaphragm compressor, which can realize the fully automatic control of the start-stop of the diaphragm compressor, and solve the problem that the control process of the diaphragm compressor is complicated and requires on-site manual control The problem

Method used

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Embodiment

[0038] A fully automatic start-stop control system for diaphragm compressors. The system can realize one-key start-up and one-key stop without manual operation of various valves, saving manpower and ensuring efficient and stable operation of the system. In addition, the operation of the system designed according to the present invention can ensure that the inside of the compressor system always maintains a slight positive pressure state, preventing seal failure and causing leakage; during the start-up pre-operation stage, the compressor can be kept in an unloaded state to reduce the impact current of the motor , to ensure the stable operation of the equipment, and greatly improve the success rate of startup; the system is equipped with a bypass air circuit, which can realize the function of adjusting the flow rate of the compressor with the PLC control circuit.

[0039] Specifically, see figure 1 , a diaphragm compressor automatic start-stop control system designed by the pres...

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Abstract

The invention relates to the technical field of diaphragm compressors, in particular to a full-automatic start-stop control system of a diaphragm compressor. The full-automatic start-stop control system of the diaphragm compressor comprises an air inlet pipeline, an interstage pipeline and an exhaust pipeline. The air inlet pipeline and the exhaust pipeline are connected with the air inlet end and the exhaust end of the diaphragm compressor respectively, the interstage pipeline is arranged between all stages of air cavities of the diaphragm compressor, and each stage of the diaphragm compressor is provided with an oil overflow pipeline; and an oil overflow valve is arranged on the oil overflow pipeline to ensure that the oil pressure in the oil cavity does not exceed a set value. Full-automatic control over starting and stopping of the diaphragm compressor can be achieved, and the problems that the control process of the diaphragm compressor is complex, and field manual control is needed are solved. Meanwhile, micro-positive pressure protection of a gas path system can be achieved, and the situation that negative pressure is caused in the starting stage to cause failure of a sealing piece, and gas leakage is caused is avoided; and after shutdown unloading, the micro-positive pressure can prevent air from leaking and being mixed with compressed gas (such as hydrogen), and safety accidents are avoided.

Description

technical field [0001] The invention relates to the technical field of diaphragm compressors, in particular to a fully automatic start-stop control system for diaphragm compressors. Background technique [0002] Diaphragm compressor is a special volumetric compressor, which has the characteristics of good sealing performance, wide pressure range, large compression ratio, and no pollution to the compressed medium, so it is widely used in hydrogenation stations and other petrochemical fields to compress and transport various A high-purity gas, noble and rare gas, toxic and harmful gas and corrosive gas. [0003] The control of diaphragm compressors is relatively complicated. At present, most sites require manual operation of the equipment. For multi-stage diaphragm compressors, even two or more personnel are required to operate the equipment at the same time, which wastes manpower and material resources and cannot meet the requirements of automatic production control. Moreove...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B45/053F04B37/12F04B39/10F04B39/12F04B49/06F04B51/00
CPCF04B45/053F04B45/0536F04B49/06F04B37/12F04B39/10F04B39/123F04B51/00
Inventor 贾晓晗祁豪杰任省栋彭学院
Owner 康姆凯思新能源技术(上海)有限公司
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