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Extra light ship cable penetrating A-level refractory sealing mortar

An ultra-light, marine technology, applied in the field of marine refractory sealing materials, can solve the problems of long curing cycle, achieve good adhesion, good flame retardant effect, and reduce thermal conductivity

Inactive Publication Date: 2012-10-03
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The casing type fireproof sealing device adopts expandable and flame-retardant silicone sealant at both ends, and the surface dries quickly, but the inside of the sealant is difficult to enter due to water vapor, and the curing cycle is relatively long

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The ultra-light ship cable penetrating class A refractory sealing cement of the present embodiment includes the following raw materials in parts by weight: hydrated sodium silicate 20%, liquid nitrile rubber 15%, aluminum hydroxide 15%, magnesium hydroxide 5%, Zinc borate 5%, clay powder 10%, glass fiber 20%, polyurethane foam 10%. The preparation process is as follows: add hydrated sodium silicate and liquid nitrile rubber to a mixer and mix evenly, then add aluminum hydroxide, magnesium hydroxide, zinc borate, clay powder, glass fiber in turn, stir with a high-efficiency mixer, and finally add polyurethane After the foam is fully stirred and mixed, a soft mass with viscoelasticity is obtained, that is, refractory sealing cement.

Embodiment 2

[0036] The ultra-light ship cable penetrating class A refractory sealing cement of this embodiment includes the following raw materials in parts by weight: hydrated sodium silicate 20%, polyisobutylene 20%, aluminum hydroxide 20%, ammonium polyphosphate 5%, silicon micropowder 10%, aluminum silicate staple fiber 20%, polystyrene foam 5%. The preparation process is as follows: add hydrated sodium silicate and polyisobutylene to a mixer and mix evenly, then add aluminum hydroxide, ammonium polyphosphate, silicon micropowder, aluminum silicate short fiber, stir with a high-efficiency mixer, and finally add polystyrene After the foam is fully stirred and mixed, a soft mass with viscoelasticity is obtained, that is, refractory sealing cement.

[0037] The quality index of product of the present invention is:

[0038] project index Exterior Clay-like substance density 1.05~1.10×10 3 Kg / m 3 Corrosive ≥7d, no rust and corrosion Oxygen Inde...

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Abstract

The invention relates to extra light ship cable penetrating A-level refractory sealing mortar, which is mainly used for fireproofing and sealing when a ship cable penetrates through a cabin wall and a deck, and belongs to the technical field of refractory sealing materials. The refractory sealing mortar is prepared by stirring and mixing adhesive, plasticizer, flame retardant, synergist, powder, fiber and foam filling agent according to a certain proportion to obtain a viscoelastic soft cluster; when being used, the sealing mortar is filled in a hole and is compacted and flattened; and the sealing mortar has a certain strength and toughness after being solidified. The refractory sealing mortar has the following advantages that (1) the weight is extra light, and the proportion is 1.05-1.10*10<3>Kg / m<3>; (2) the oxygen index is greater than or equal to 35; (3) the refractory sealing mortar belongs to a single component system, and operations such as mixing is not needed before use; (4) the refractory sealing mortar can be solidified at room temperature; (5) halogen is not contained, and irritant gas and smog cannot be produced in a combustion process; (6) asbestos is not contained; (7) the refractory sealing mortar is certificated through ship A60 type refractory; and (8) the construction is convenient and quick.

Description

technical field [0001] The invention relates to a class A refractory sealing cement for ultra-light ship cable penetration, which reaches the A60 fire resistance grade for ships, and belongs to the technical field of refractory sealing materials for ships. Background technique [0002] According to the requirements of the International Electrotechnical Commission (I.E.C), the International Convention for the Safety of Life at Sea (SOLAS) and my country's ship building codes, in order to meet the basic requirements of ship fire safety, when the cable penetrates the watertight bulkhead (deck), it needs to The decks and bulkheads are sealed to ensure that the watertight and fire integrity of the hull is not affected. [0003] At present, the main ones widely used at home and abroad are pouring type fireproof sealing device, modular type fireproof sealing device and casing type fireproof sealing device. [0004] The pouring type fireproof sealing device is currently the most wid...

Claims

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Application Information

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IPC IPC(8): C04B35/66C04B12/04C04B14/38C04B14/42C04B16/08C04B22/06C04B22/16
Inventor 洪玲陈栋梁
Owner SHANGHAI UNIV
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