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Fireproof and explosion-proof isolation method of multiple cable middle connectors at same position of same ditch

A technology for the middle head and part of the cable, which is applied in the installation of cables and ground cables, etc., can solve the problems of fire and ignition of the cable head, and achieve the effect of preventing the spread of fire, not easy to spread, and saving costs.

Inactive Publication Date: 2014-06-04
SHANXI TAIGANG STAINLESS STEEL CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is: how to solve the problem that a cable head explodes and ignites other adjacent intermediate heads

Method used

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  • Fireproof and explosion-proof isolation method of multiple cable middle connectors at same position of same ditch

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Embodiment Construction

[0009] Such as figure 1 As shown, the fire and explosion-proof isolation method of multiple cable intermediate heads in the same ditch is to make multiple concrete retaining walls, and the multiple concrete retaining walls are distributed in parallel. The parallel distance between two adjacent cable intermediate heads is 200mm, and the concrete retaining walls with cable intermediate ends are placed at intervals to bury the intermediate ends of cables with sand. The height of the concrete retaining wall, the tops of multiple concrete retaining walls are sealed with concrete cover plates, and the front and rear cables of the middle heads of multiple cables are isolated with concrete retaining walls.

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Abstract

The invention belongs to the fire protection field, and particularly discloses a fireproof and explosion-proof isolation method of multiple cable middle connectors at the same position of a same ditch. A plurality of concrete retaining walls are distributed in parallel, the multiple cable middle connectors are arranged in gaps of the concrete retaining walls in parallel, the parallel distances of adjacent cable middle connectors are 200 mm, the cable middle connectors in the gaps of the concrete retaining walls are buried with sand, the heights of the concrete retaining walls are the same, the burying depth of the sand is equal to the heights of the concrete retaining walls, and a concrete cover plate is arranged above the concrete retaining walls to carry out sealing. The multiple cable middle connectors are isolated through the concrete retaining walls, partition plates and the internal sand, and therefore the problem that adjacent middle connectors are ignited after one cable middle connector explodes to be ignited is solved.

Description

technical field [0001] The invention belongs to the field of fire protection, and in particular relates to a method for isolating fire and explosion-proof intermediate ends of multiple cables in the same ditch and at the same position. Background technique [0002] Due to the fire in the cable trench, the cable is burned out in a place where the cables are densely packed, or due to reasons such as road construction and construction of structures, it is necessary to cut the cable in the trench at one position and make multiple intermediate heads at the same position, and install them in one area . The intermediate heads of the cables are arranged side by side in one area, so there is a problem that a cable end catches fire after explosion and ignites other adjacent intermediate heads. Contents of the invention [0003] The technical problem to be solved by the present invention is: how to solve the problem that one cable head catches fire and ignites other adjacent interme...

Claims

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Application Information

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IPC IPC(8): H02G9/02
Inventor 李建廷
Owner SHANXI TAIGANG STAINLESS STEEL CO LTD
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