High-temperature-resistant sealing device for lead

A sealing device and high-temperature-resistant technology, which is applied in the installation of cables, cables in ground conduits, and cables in underground pipes, etc. It can solve problems such as lead wire damage, inability to isolate continuous high temperature, and difficulty in replacing lead wires.

Pending Publication Date: 2020-03-27
STATE GRID LIAONING ELECTRIC POWER CO LTD SHENYANG POWER +1
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  • Application Information

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Problems solved by technology

Existing high-temperature lead wires use filling material in the lead tube to insulate heat. In a high-temperature environment, the filling material cannot insulate the continuous high tem

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Embodiment Construction

[0012] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0013] Such as figure 1 As shown, the present invention provides a lead wire high temperature resistant sealing device, comprising: lead wire 1, steel sleeve 2, insulator 3, mica insulating cover 4 and vacuum tube 5, wherein, the inside of the steel sleeve 2 is vacuum and in There is a vacuum tube 5 under the tube body, through which the tube body can be vacuumed. The two ends of the steel sleeve 2 are provided with mica insulating covers 4 for sealing. The power lead 1 passes through the mica insulating cover 4 and the steel sleeve 2 Inside, the steel casing 2 passes through the isolation body 3,...

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Abstract

The invention provides a high-temperature-resistant sealing device for a lead. The devvice comprises a lead, a steel sleeve, an isolator, a mica insulating cover and a vacuum tube, wherein the interior of the steel sleeve is vacuum, and a vacuum pipe is arranged below a pipe body; mica insulating covers for sealing are arranged at the two ends of the steel sleeve. The power supply lead penetratesthrough the mica insulation cover and the steel sleeve, the steel sleeve penetrates through the isolator, the isolator divides the steel sleeve into two sides, one half of the steel sleeve is locatedon the normal temperature side, the other half of the steel sleeve is located on the high temperature side, and a high temperature insulation plug is arranged at one end of the high temperature side of the steel sleeve and at the position where the lead penetrates through the mica insulation cover. The device adopts an insulating sealed structure provided with an insulating sleeve when the lead isconnected with the heat accumulator, and can stably work in a high-temperature environment.

Description

technical field [0001] The invention relates to the technical field of high-temperature lead wire sealing, in particular to a lead wire high-temperature-resistant sealing device. Background technique [0002] The high-temperature lead wires of large-capacity solid heat storage devices are easily oxidized and corroded at high temperatures, and the resistance of stainless steel and other materials is too high. In order to ensure long-term reliable operation of electrode materials under high The connection method must adopt a special design structure. Existing high-temperature lead wires use filling material in the lead tube to insulate heat. In a high-temperature environment, the filling material cannot insulate the continuous high temperature, and the lead wire in the lead tube is easily damaged. To replace or repair the lead wire, the built-in filling material needs to be taken out Replacing the leads is extremely difficult. Contents of the invention [0003] In order to...

Claims

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Application Information

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IPC IPC(8): H02G3/04H02G9/04H02G9/06
CPCH02G3/04H02G9/04H02G9/06
Inventor 夏玉珏李健许超李悦悦于海平王晓娜夏春勇赵璐
Owner STATE GRID LIAONING ELECTRIC POWER CO LTD SHENYANG POWER
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