SU1138539A1 - Method of compressor running-in - Google Patents

Abstract

COMPRESSOR WRINKING METHOD, which includes starting the compressor, idling it, measuring the initial consumed power, and stopping the run-in when the parameter is reached. characterizing the end of the run-in, a given value, characterized in that, in order to improve the accuracy of determining the end of the running-in process, after the start-up, the initial rate of change of power consumption is additionally measured, the initial value of the latter determines the minimum work required for the run-in. control of the rate of change of power consumption and use it as a characteristic parameter, and stop running at a parameter value different from its initial values of more than 90%.

Description

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This invention relates to a compressor industry and concerns the preparation of a compressor for operation.

There is a known method of running in a compressor, which includes starting the compressor, working at idle and determining the end of the running in process according to the number of revolutions, the shaft during coasting 1. ,. ,... ,, ;BUT

This method requires repeated start and stop of the compressor, which increases the running-in time.

The closest to the invention in technical essence and the achieved result is a method of running the compressor, including starting the compressor, operating it at idle, measuring the initial power consumption and stopping the running when the parameter characterizing the end of running is set to a given value of 2.

In the known method, the end of the rolling process is determined by the stabilization of the power consumption, which does not always correspond to the required accuracy.

The purpose of the invention is to improve the accuracy of determining the end of the rolling process.

This goal is achieved by the fact that according to the compressor run-in method, which includes starting the compressor, operating it at idle, measuring the initial power consumption and stopping the run-in when the parameter characterizing the end of the run-in reaches the specified value, after the start-up the initial measurement rate of the consumed capacities, by the initial value of the latter, determine the minimum work.

required for the run-in, after which the control of the rate of change of power consumption is performed and used as a characteristic parameter, and the run-in is stopped when the value of the parameter differs from its initial value by more than 90%.

The method is carried out as follows.

After starting the compressor, the initial power consumption is measured. It determines the minimum work required for running in accordance with the ratio

Amin K-Nnach,

where Agttsg) - work is minimal;

N "54 - initial power consumption;

K-coefficient of proportionality, K (0.6-1.2) VH.

In addition, the initial rate of change in power consumption is measured. After completing the minimum work, begin to control the rate of change of power consumption. Before the minimum work, there may be moments of local stabilization of power consumption. When the power consumption rate changes from the initial one by more than 90%, the run-in is stopped.

Thus, using as a parameter characterizing the end of the running-in process the rate of change of consumed power makes it possible to increase the accuracy of determining the running-in end.

Claims (1)

METHOD OF RUNNING THE COMPRESSOR, including starting the compressor, idling, measuring the initial power consumption and stopping the run-in when the parameter characterizing the end of the run-in reaches a predetermined value, characterized in that, in order to increase the accuracy of determining the end of the run-in process, they are additionally measured after start-up the initial rate of change in power consumption, the initial value of the latter determines the minimum work required for running-in, after which role speed change power consumption and use it as the characteristic parameter, and run-in is stopped when the parameter different from its initial value by more than 90%. with Q0 SL CO <x>