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Filler sealing performance detection method

A detection method and packing sealing technology, which are applied in the liquid/vacuum degree measurement of liquid tightness, and by detecting the appearance of fluid at the leak point, etc., can solve the problems of low efficiency, high cost, and cumbersome testing steps for packing and sealing performance. , to achieve the effect of accurate detection, convenient operation and avoid damage to the filler

Pending Publication Date: 2021-11-19
CHONGQING CHUANYI CONTROL VALVE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a packing sealing performance testing method for solving the problems of cumbersome packing sealing performance testing steps, low efficiency, and high cost in the prior art.

Method used

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Embodiment Construction

[0030] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

[0031] It should be noted that the diagrams provided in this embodiment are only schematically illustrating the basic idea of ​​the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the components in actual implementation. Dimensional drawing, the type, quantity and proportion of each component can be changed arbitrarily during actual impleme...

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Abstract

The invention relates to the field of filler sealing performance detection, and in particular relates to a filler sealing performance detection method. The method comprises the steps of S1 confirming the outer diameter and the inner diameter of a to-be-detected filler, and establishing a filler mounting area matching the outer diameter and the inner diameter of the to-be-detected filler; S2 filling to-be-detected filler into the filler mounting area, and applying pressure to the to-be-detected filler to adjust the pre-tightening force applied to the filler; S3 introducing a pressure medium into the filler mounting area, simulating the working state of the filler, and detecting the leakage amount of the pressure medium flowing through the filler; and S4 removing the filler. The method has the beneficial effects that the steps are simple, the operation is convenient, the pre-tightening force borne by the to-be-detected filler is conveniently and flexibly adjusted, the detection efficiency is improved, and the cost is reduced.

Description

technical field [0001] The invention relates to the field of packing sealing performance testing, in particular to a packing sealing performance testing method. Background technique [0002] Valves are flow control devices widely used in petrochemical and other industries. Most of their media are flammable, explosive and other harmful substances. If the valve sealing performance is poor and the media leaks out, it will not only affect economic benefits and pollute the environment, but even cause a fire in severe cases. , explosion and personal injury and other accidents. The packing is the direct barrier to prevent the leakage of the medium. It is very important to choose the packing with good sealing performance for the use of the valve. The sealing performance of the packing is affected by many factors, especially the pre-tightening force. If the pre-tightening force is too small, the sealing effect may not be achieved. If the pre-tightening force is large, the friction b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/22
CPCG01M3/202G01M3/224
Inventor 余晓光周位伟李松岭段大军张鹏奇刘诗梅周枭
Owner CHONGQING CHUANYI CONTROL VALVE
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