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Fireproof hole-blocking method

A technology of fireproof sealing and fireproof sealant, which is applied in the direction of fireproofing, building components, building insulation materials, etc. It can solve the problem of fire spread, no fireproof sealing, cracking and deformation, smoke and heat will pass through the wall, and the flame will It will also be skewed to the other side of the hole to achieve the effect of prolonging the service life, reducing the risk of damage, and improving convenience

Inactive Publication Date: 2018-10-02
上海康豪金属制品有限公司
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Problems solved by technology

Although this method meets the structural strength requirements of the wall, it does not have the effect of fireproof sealing; once a fire occurs, the heat of the flame will make the part used for sealing in the wall hole crack and deform, and the smoke and heat will be destroyed. Passing through the wall, the flame will also spread to the other side of the hole, causing the fire to spread further

Method used

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Embodiment Construction

[0038] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0039] See attached figure 1 , a hole fireproof sealing method, mainly used for sealing the hole left after the cable 4 passes through the wall, comprising the following steps:

[0040] S1. According to the size of the cables 4, open a number of piercing holes 2 for passing the cables 4 on the fireproof board group 1 .

[0041] S2. Apply fireproof sealant evenly to the inner walls of the hole and the outer walls of the fireproof board group 1, and embed the fireproof board group 1 into the hole as a whole, so that the outer walls of the fireproof board group 1 and the inner walls of the holes are bonded , and seal the gap between the fireproof panel group 1 and the hole with fireproof sealant.

[0042] The fireproof sealant is a liquid fireproof material with fireproof sealing function; in this embodiment, the fireproof sealant can choose the fireproof seal...

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Abstract

The invention discloses a fireproof hole-blocking method and relates to a fireproof construction method. The fireproof hole-blocking method mainly comprises the following steps that a plurality of penetrating-connection holes used for penetrating of cables are formed in a fireproof plate set according to the size of the cables; all the inner walls of a hole and all the outer side walls of the peripheral side of the fireproof plate set are uniformly coated with fireproof sealants correspondingly, and the fireproof plate set is bonded in the hole; the outer sides of the cables are wrapped with fireproof blocking materials, the cables and the fireproof blocking materials are inserted into the penetrating-connection holes, and gaps in the two ends of the penetrating-connection holes are blocked through fireproof sealants; fireproof coating is brushed on the two sides of the fireproof plate set, and the thickness of the fireproof coating on the fireproof plate set is at least 0.7 mm; and textured paper is attached to the two sides of the fireproof plate set, and openings in the two ends of the hole are completely covered with the textured paper. The fireproof hole-blocking method is economic, practical, good in fireproof effect, suitable for being popularized, wide in application range and extremely high in practicability, and the life and property safety of people can be effectively guaranteed.

Description

technical field [0001] The invention relates to a fire prevention construction method, in particular to a hole fire prevention sealing method. Background technique [0002] At present, for cable fire protection, there are clear requirements in the National Electric Engineering Cable Design Code GB50217-2007: cables in cable structures cause electrical cabinets, panels or control panels, openings of tables, cables penetrate partition walls, holes in floors, work All cable pipe holes in the well shall be sealed for fire protection. At present, the method commonly used in China is to seal the hole through which the cable passes with ordinary square bricks and cement. Although this method meets the structural strength requirements of the wall, it does not have the effect of fireproof sealing; once a fire occurs, the heat of the flame will make the part used for sealing in the wall hole crack and deform, and the smoke and heat will Passing through the wall, the flames can also ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/66E04B1/94
CPCE04B1/66E04B1/948
Inventor 丁强秦兆明
Owner 上海康豪金属制品有限公司
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