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Compressor anti-surge control method and system

A control method and technology for a control system are applied in the field of compressor anti-surge control methods and systems, which can solve the problems of difficult maintenance and poor scalability of the air compressor anti-surge control system, so as to reduce maintenance costs and avoid unnecessary The effect of parking and ensuring continuity

Inactive Publication Date: 2019-07-30
济南大陆机电股份有限公司
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Problems solved by technology

[0004] The purpose of the present invention is to provide a compressor anti-surge control method and system, which aims to solve the problems of poor scalability and difficult maintenance of the air compressor anti-surge control system in the prior art, so as to avoid unnecessary damage caused by surge or overload. Necessary parking, reduce maintenance costs, and ensure the continuity of process production

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  • Compressor anti-surge control method and system
  • Compressor anti-surge control method and system

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Embodiment Construction

[0033] In order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below through specific implementation methods and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted herein to avoid unnecessarily lim...

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Abstract

The invention provides a compressor anti-surge control method and system. A 505 / 505 E controller and a DCS control system are adopted for controlling the rotating speed of a compressor, a unit starting condition, a compressor safety running mode starting condition and an anti-surge electromagnetic valve automatic control mode starting condition are arranged, and the compressor anti-surge effect isachieved. During trial run and normal production process, along with the production working condition fluctuation, the anti-surge control scheme and the compressor comprehensive safety logic controlscheme effectively prevent a unit from entering the surge area, unit safety running is ensured, meanwhile, unnecessary parking caused by surging or overload can be avoided, maintaining cost is reduced, the service life of the compressor is prolonged, process production continuity is ensured, through continuous-time production process, the anti-surge control system is stable and reliable in work, antijamming capability is high, and certain application and popularization value is achieved.

Description

technical field [0001] The invention relates to the technical field of compressor anti-surge, in particular to a compressor anti-surge control method and system. Background technique [0002] The air compressor is an important production power source of the factory. The safe and stable operation of the air compressor is a very important indicator. The key link of the air compressor control is the anti-surge control. Surge is an inherent characteristic of the compressor itself. When the exhaust pressure keeps rising and the exhaust flow keeps decreasing, the compressor will enter the surge industrial and mining operation. When the compressor enters the surge operation, its operating conditions will change drastically. The compressor will vibrate violently. If effective measures cannot be taken in time to solve the problem, the bearings and seals of the compressor will be damaged. In severe cases, the rotor and the fixed components may even rub against each other, resulting i...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D27/02
CPCF04D27/02F04D27/0253F04D27/0261
Inventor 景波史俊花刘海英逯良仁方荣
Owner 济南大陆机电股份有限公司
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