A split atmospheric furnace plugging device for creep test and split atmospheric furnace

CN122108736APending Publication Date: 2026-05-29XIAN THERMAL POWER RES INST CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
XIAN THERMAL POWER RES INST CO LTD
Filing Date
2026-03-02
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing atmospheric furnaces cannot effectively seal the lower furnace opening during creep testing, resulting in large temperature fluctuations, severe burn-out of testing equipment, and reduced measurement accuracy, making it difficult to meet the requirements of long-term high-temperature creep testing.

Method used

Design a sealing device for a split atmospheric furnace for creep testing, including an upper sealing assembly and a lower sealing assembly. High-temperature resistant sealing components and fixing components are respectively fitted onto the upper and lower tie rods and the creep extensometer to achieve sealing of the top and bottom of the split atmospheric furnace.

Benefits of technology

The improved sealing of the atmospheric furnace reduced heat dissipation and sealing failure at the furnace opening, ensuring the uniformity of the temperature field and the test quality of the high-temperature creep test, while reducing energy consumption and burn-out of the testing equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a split atmospheric furnace sealing device for creep test and a split atmospheric furnace, which comprises an upper sealing assembly and a lower sealing assembly; the upper sealing assembly comprises a first high-temperature-resistant sealing piece and a first fixing piece which is bound to the first high-temperature-resistant sealing piece along the height of the first high-temperature-resistant sealing piece, and the first high-temperature-resistant sealing piece is configured to be sleeved on an upper pull rod; the lower sealing assembly comprises a second high-temperature-resistant sealing piece and a second fixing piece, the second high-temperature-resistant sealing piece is configured to be sleeved on a slidable lower pull rod and a creep extensometer, the second high-temperature-resistant sealing piece comprises two second high-temperature-resistant sealing blocks, and the second fixing piece is bound to the second high-temperature-resistant sealing piece along the opposite direction of the two second high-temperature-resistant sealing blocks. The device can reduce the radiation heat dissipation and conduction heat dissipation of the furnace mouth of the split atmospheric furnace, avoid sealing failure in the test caused by axial stretching and air flow disturbance, ensure the uniformity of the temperature field in the furnace in the test, reduce energy consumption and burning loss of test machine parts, and improve test quality and efficiency.
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