Environment-friendly flame-retardant cable for metal and non-metal mines
The utility model provides an environment-friendly flame-retardant cable for metal and non-metal mines, which comprises a cable core, a flame-retardant isolation sleeve, a smoke isolation layer, an armor layer and a flame-retardant outer sleeve layer which are sequentially attached from inside to ou...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model provides an environment-friendly flame-retardant cable for metal and non-metal mines, which comprises a cable core, a flame-retardant isolation sleeve, a smoke isolation layer, an armor layer and a flame-retardant outer sleeve layer which are sequentially attached from inside to outside, the flame-retardant outer sleeve layer comprises a reinforcing layer and an outer protective layer, the inner wall of the reinforcing layer is attached to the outer wall of the armor layer, the reinforcing layer is a glass fiber woven belt layer, and the outer protective layer is an outer protective layer. The outer protective layer is a low-smoke halogen-free flame-retardant polyolefin layer, the low-smoke halogen-free flame-retardant polyolefin layer wraps the reinforcing layer, and the flame-retardant effect of the outermost layer is guaranteed by adding the reinforcing layer on the inner wall of the outer protective layer under the condition that an oxygen barrier layer is not added. And meanwhile, the o |
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