Cable pyrolysis test equipment

By designing a cable pyrolysis test equipment including contact and non-contact gas detection devices, coolers, gas collecting cylinders and gas collection sleeves, the existing equipment has solved the problem of incomplete pyrolysis temperature control and gas collection, and achieved more efficient and accurate gas detection.

CN119715443APending Publication Date: 2025-03-28STATE GRID HENAN ELECTRIC POWER CO TONGXU COUNTY POWER SUPPLY CO
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Patent Information

Application Number
CN202411950585.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

Existing cable pyrolysis test equipment is difficult to control the pyrolysis temperature when pyrolyzing cables, which makes it difficult to establish data analysis and model. At the same time, gas collection is incomplete, affecting the accuracy of subsequent concentration measurements.

Method used

A cable pyrolysis test equipment is designed, including contact and non-contact gas detection devices, coolers, gas receptacles and gas collectors. The characteristic gas is collected through high-pressure air flow, and the transparent gas receptacles are expanded adaptively according to the gas volume to reduce the gas collection pressure.

Benefits of technology

Achieve more complete gas collection and higher detection accuracy, simplify temperature control, improve test efficiency, and reduce the singularity and high temperature effects of gas detection.

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Abstract

The invention relates to cable pyrolysis test equipment in the technical field of cable pyrolysis. The cable pyrolysis test equipment comprises a contact gas detection device, a non-contact gas detection device, a cooler, a gas collection bottle, a gas collection sleeve and a high-pressure bottle, the gas collection bottle comprises a bottle body part and two bottle neck parts, the bottle body part is made of a transparent heat-resistant material capable of expanding along with internal pressure, outer ports of the two bottle neck parts are respectively provided with a gas inlet and a gas outlet, and the non-contact gas detection device performs gas detection corresponding to the bottle body part; the gas collection sleeve comprises a heat transfer sleeve section, two heat insulation sleeve sections and two transition sleeve sections, the outer end walls of the two transition sleeve sections are sleeved with sealing hoops in a clamped mode, the end walls of the two transition sleeve sections are provided with a gas inlet pipe and a gas outlet pipe respectively, the gas inlet pipe is correspondingly communicated with a bottle opening of the high-pressure bottle, and the gas outlet pipe is correspondingly communicated with a gas inlet of the gas collection bottle; gas discharged from an exhaust port of the gas collecting bottle enters a cooler to be cooled and then is guided into a contact type gas detection device; according to the test equipment, characteristic gas can be more completely collected, and the detection diversity and accuracy are improved.
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