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02.02.122-2015
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ABSTRACT
Master's thesis on the topic "Development of methods for diagnostics of
equipment of auxiliary HPP systems" contains 38 pages of text document, 16
illustrations, 4 tables and 3 formulas.
Object of research: high-pressure reciprocating compressors.
The purpose of this work is to study the methods of vibration measurement
using vibration diagnostics of high-pressure compressors.
Tasks to be solved in the course of the work:
a) Investigation of diagnosed compressor defects;
b) study of the vibration signal envelope spectrum method;
) Selection of measurement points and vibration analyzer for measurements;
d) Analysis of the impact of vibration on reciprocating compressors.
Currently, hydroelectric power plants have a portable system for measuring
vibration in compressor units, which allows them to meet the requirements of STO
02.02.122-2015.
This work is aimed at studying the auxiliary equipment of the pneumatic
system, which, like other systems, ensures the normal operation of the main
equipment of the HPP.
Vibration diagnostics tasks are solved by two types of devices: stationary and
portable. Stationary devices with their significant advantages are able to diagnose
only mobile, easily disassembled units, which distinguishes the design of a small
proportion of all equipment. In this regard, this paper focuses on the analysis of
portable diagnostic devices.
The controlled parameters of the vibration state are:
– RMS value of vibration displacement;
– RMS value of vibration velocity;
– RMS value of vibration acceleration.
The advantage of vibration diagnostics methods is the ability to diagnose
equipment during its operation. The resulting vibration pattern (spectrogram), as a set
5
of amplitudes of harmonic components at certain frequencies. To collect and analyze
spectrograms, special equipment is required, preferably with the ability to work with
personnel with low training in vibration diagnostics. Vibrodiagnostics is effective for
machines that have rotating elements in their design (determination of unbalance),
rolling bearings (degree of wear), hydraulic equipment (degree of wear), electric
motor (loosening of the stator windings, etc.), which corresponds to the design of
compressor equipment.
6
.................................................................................................................. 8
1
............................................................................................... 9
1.1
................................................................................................. 9
1.2
....................................................................... 9
1.3
........................... 11
1.4
..................................... 13
1.5
……………………….16
1.6
……………………………………………...18
2
.................... 20
2.1
............................................................................................ 20
2.2
.................................... 21
2.3
.............................. 22
2.4
-
.............. 24
2.4.1
…………………………………………….........25
2.4.2
…….27
2.5
………………………………………….35
3
............................................ 37
4
................... 40
......................................................................................................... 43
............................................... 44
7
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1.1
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[6].
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1.2
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9
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(0,6 – 0,8
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(2,0 – 6,3
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[4].
02.02.122-2015 «
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(19)
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(18),
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(26)
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43
02.02.122-2015
1.
.
[
].
–
:
http://www.rushydro.ru/upload/iblock/134/115_STO-RusGidro02.03.129_2015_Metod-Ukazaniya-po-organizatsii-obsledovanij.pdf
10816-8 – 2016 .
2.
.
[
].
–
:
http://docs.cntd.ru/document/1200142487
24346-80
3.
]. –
,
[
: http://www.internet-law.ru/gosts/gost/23718
. .
4.
.
.–
.:
, 2011. –
107 .
5.
[
].
–
:
https://vibrocenter.ru/vibro04.htm
. .
6.
[
].
–
:
http://www.vibration.ru/diagn_kompres.shtml
7.
. .
:
/
. .
. –
, 2000. – 16 .
8.
. .
,
. .
.
.
//
XXI
:
VI
44
,
.–
;
, 2019. – . 146–152.
.
9.
,
.,
. .
[
].
–
:
http://www.dynamics.ru/publications/articles/vibrodiagnostika-porshnevyhkompressorov.html
. .
10.
.:
.
(
6-
) .6.
, 1981 – 456 .
11.
. .
,
. .
.
.
. .2.
.
.;
1990.
12.
. .
.–
.:
45
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– 1999 -228 .
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