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A gas on-site test device for plug-sealed rigid containers

A rigid container and on-site testing technology, which is applied in the field of analysis and testing, can solve problems such as inability to conduct on-site testing and unconnected testing instruments, and achieve the effect of on-site testing

Active Publication Date: 2017-03-01
XIAN MODERN CHEM RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this device has strict requirements on the size and processing accuracy of the sleeve, and each set of devices can only be used for a specific sampling port with matching size; at the same time, the device uses a sampling bag to collect gas, and is not connected to a test instrument, and the sample is still Need to go through a transfer process, can not be tested in the field

Method used

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  • A gas on-site test device for plug-sealed rigid containers

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Embodiment Construction

[0011] Such as figure 1 Shown is a schematic structural view of the device of the present invention. The flexible sampling chamber 1 completely wraps the end of the screw plug-sealed rigid container 3 with a built-in screw 8 and introduces three gas conduits, namely the exhaust conduit 4, the intake conduit 5 and the test conduit 6. Wherein, the exhaust conduit 4 is connected to the pressure gauge 9 and the vacuum pump 10, the intake conduit 5 is connected to the argon gas 12 through the flow meter 11, and the test conduit 6 is connected to the gas tester 13, and each conduit has a switching valve. The gap between the sampling chamber 1 and the screw plug-sealed rigid container 3 is filled with sealing mud and sealed with a sealing tape 2 . Open the vacuum pump 10 and the exhaust valve 14 to completely discharge the air in the sampling chamber, and the volume of the sampling chamber is compressed to zero at this time. Close the exhaust valve 14 and the vacuum pump 10, let st...

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Abstract

The invention discloses a gas field testing device and aims at solving the problem of gas field testing in a rigid container which is sealed by a screw plug. The gas field testing device disclosed by the invention comprises a sampling bin, a sealing tape, gas guide pipes, a screw rod, a pressure gauge, a flowmeter and the like, wherein the tail end of the container is entirely wrapped by the sampling bin, sealing sludge is filled in the sampling bin, and the sampling bin is fixed by the sealing tape; the screw rod is pre-placed in the sampling bin and three gas guide pipes are introduced, wherein a gas extraction guide pipe is connected with the pressure gauge and a vacuum pump, a gas inlet guide pipe is connected with argon gas through the flowmeter, and a test guide pipe is connected with a gas testing instrument; before testing, volume calibration is performed by vacuum pumping and argon gas filling; and the screw plug is opened by the screw rod, gas enters the sampling bin and the testing is completed by the gas testing instrument. The gas field testing device disclosed by the invention is applicable to field testing of the gas in the rigid container which is sealed by the screw plug.

Description

technical field [0001] The invention relates to the field of analysis and testing, in particular to an on-site gas testing device for a screw-plug-sealed rigid container. Background technique [0002] The warhead charges of some weapon systems usually contain low-boiling liquid components such as isopropyl nitrate and ethylene oxide. With the increase of equipment service time and the influence of environmental factors during transportation and storage, combat may occur Corrosion and aging of the internal sealing rubber will cause the liquid to volatilize to produce gas and diffuse into the cavity of the entire equipment, causing the failure of weapons and ammunition and endangering the safety of the warehouse and personnel. Therefore, the detection of potential gas leakage inside the weapon system is of great significance for the life assessment, safe storage and failure analysis of weapon equipment. [0003] During the production and assembly process, the inside of the ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/00G01N1/24
Inventor 董小虎王婧娜常海胡岚张林军王琼
Owner XIAN MODERN CHEM RES INST
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