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Multi-parameter controllable high-rotating speed mechanical sealing performance tester

A technology of mechanical seal and test device, which is applied in the testing of fluid tightness, measuring device, testing of mechanical parts, etc., can solve the problems of few measurement parameters, difficult measurement of end-face friction torque, complex structure, etc.

Inactive Publication Date: 2006-08-30
NANJING COLLEGE OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0026] The technical problem to be solved by the present invention is to propose a mechanical seal test device with many measurement parameters, complex structure, simple structure and few measurement parameters, and difficulty in measuring end-face friction torque. High-speed mechanical seal test device

Method used

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  • Multi-parameter controllable high-rotating speed mechanical sealing performance tester
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  • Multi-parameter controllable high-rotating speed mechanical sealing performance tester

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Experimental program
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Embodiment Construction

[0064] Such as Figure 5-1 3 is a specific embodiment of the "multi-parameter measurable and controllable high-speed mechanical seal performance test device" of the present invention. The parameters of the sensors used are shown in Table 6, and the components used in the control system refer to Figure 12 .

[0065] serial number

name

quantity

Specification

Range

precision

purpose

1

Thin film platinum resistance temperature measuring element

3

STTT-T

0～200℃

1 / 3DIN

Measuring ring temperature

2

Temperature Sensor

1

STTT-T

0～200℃

0.5％

Measuring medium temperature

3

Pressure Sensor

1

NS-G

0~2Mpa

0.5％

Measuring medium pressure

4

Linear Displacement Sensor

1

NS-WY01

0~10mm

0.002mm

Measuring end face specific pressure

5

Angular displacement sensor

1

NSRB

0～30

0.2％

...

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Abstract

The invention relates to a mechanism sealing controllable testing device that includes sealing system, driving system, end face specific pressure loading and servo feed back system, end face attrition torque and end face specific pressure testing system, film thickness testing system, leakage testing system, static loop temperature feedback system, medium temperature and pressure measuring system, experiment medium pressurizing recycling system, data collection and control system. The invention has wide application range, and would be researched under different conditions.

Description

technical field [0001] The invention relates to a mechanical seal controllability test device, which adopts a new structure and a high-precision sensor to measure mechanical seal performance parameters. It belongs to the field of mechanical design and process automation control. Background technique [0002] Since the invention of mechanical seal in 1885, with the deepening of sealing theory and application research, the application fields of mechanical seal have become wider and wider, from petrochemical industry, nuclear industry to aerospace field; the sealing medium has changed from ordinary medium (such as: water) From high-temperature and high-pressure flammable and explosive chemicals, the application has also expanded from water pumps to high-speed and high-pressure gas compressors. [0003] Regarding the research on the sealing mechanism, Dr. E.Mayer from Germany, based on his years of research results—ordinary mechanical seals are generally in the boundary frictio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00G01M10/00G01M3/00G01D21/02
Inventor 孙见君魏龙刘其和周剑锋
Owner NANJING COLLEGE OF CHEM TECH
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