Introduction to the vibration range standard of Roots blower

Analysis and discussion on the vibration range standard of Roots blower. Roots blower is a common rotating machine used in various industrial fields.

However, due to the influence of its own characteristics and working environment, Roots blower has vibration problems.

This paper will discuss the formulation and evaluation method of the vibration range standard of Roots blower, and put forward corresponding improvement suggestions to improve the stability and reliability of Roots blower.

1. Introduction

Roots blower is a kind of centrifugal rotating machinery, which is widely used in the fields of gas transmission, ventilation, dust removal, etc. in industrial production.

However, vibration will occur during the operation of Roots blower, which will affect the stability and reliability of the machine. Therefore, vibration has always been a problem to be solved during the manufacturing and use of Roots blower.

This paper will analyze and discuss the formulation and evaluation method of Roots blower vibration range standard, and put forward corresponding improvement suggestions.

2. Formulation of Roots blower vibration range standard

Many factors need to be considered in the formulation of the vibration range standard of Roots blower, including the structural characteristics, service environment, working load, etc. of Roots blower.

Generally speaking, the vibration of Roots blower can be divided into high frequency and low frequency, and its vibration frequency range is above 10 Hz and below 10 Hz.

High frequency vibration is mainly caused by the rotating parts of Roots blower, while low frequency vibration is mainly caused by the foundation and support structure of Roots blower.

Therefore, when formulating the vibration range standard of Roots blower, it is necessary to consider the limit standard of high-frequency and low-frequency vibration respectively.

2.1 Limiting standards for high-frequency vibration

For high-frequency vibration, ISO10816-1 standard can be used for evaluation.

The standard specifies vibration evaluation indexes based on acceleration, including effective value, peak value, peak peak value, etc., as well as vibration limit standards of different levels.

Generally speaking, the high frequency vibration limit standard of Roots blower should be above Level A of ISO10816-1 standard.

2.2 Limiting standards for low-frequency vibration

For low-frequency vibration, GB69 standard can be used for evaluation.

This standard specifies the vibration limit standards for roots blower foundation and supporting structure, including vibration level, vibration speed, vibration displacement and other indicators.

Generally speaking, the low frequency vibration limit standard of Roots blower should be above the middle level of GB69 standard.

3. Evaluation method of Roots blower vibration range standard

In order to evaluate whether the vibration of Roots blower meets the standard, regular vibration detection and analysis are required.

Vibration detection can be carried out by using vibration sensors. Common vibration detection indicators include acceleration, speed and displacement.