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Fireproof door leaf and manufacturing method

A door leaf and door leaf technology, which is applied in the field of building fire prevention equipment, can solve the problems of gaps left in the door leaf, solidified fireproof door leaves without door leaves, and inconsistencies, so as to avoid gaps, prolong the fire protection period and reduce weight.

Inactive Publication Date: 2011-07-20
HUNAN BDF ENERGY SAVING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, rock wool is used for internal hollow filling, and glass fiber is used as reinforcing material in the fireproof board, which does not meet the requirements of the new national GB12955-2008 standard.
Rock wool or aluminum silicate wool and perlite are all solid. Once workers operate carelessly, there will be gaps in the door leaf, which will bring fire hazards.
[0005] The currently used fire door leaf is composed of several parts glued, solid filled, and anchored by steel nails. It does not make the whole door leaf form a substantially complete and integrated solidified fire door leaf, which is only in the literal sense. Integrated door leaf

Method used

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  • Fireproof door leaf and manufacturing method
  • Fireproof door leaf and manufacturing method
  • Fireproof door leaf and manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0030] Embodiment 2: be respectively magnesium oxide 30% by weight: magnesium chloride solution 50%: modifying agent 3%: short fiber 1%: fly ash 5%, all the other add wood sawdust, this example adopts light material wood sawdust to further The weight of the entire inorganic cementitious material is reduced, and the gaps of the wood sawdust mixed with the foamed inorganic cementitious material are completely filled with flame retardants, so that the entire door leaf can completely Insulating heat transfer, sawdust and fibers also benefit the structure of the inorganic cementitious material itself.

Embodiment 3

[0031] Embodiment 3: by weight respectively magnesia 60%:magnesium chloride solution 27%:modifier 0.5%:short fiber 0,2%:fly ash 6.3%, the rest add vitrified microbead particles. In this example, the use of light-weight material vitrified microbeads can enhance the compression resistance of the entire door leaf under the condition of specific beneficial effects mentioned above, and is suitable for buildings that require hardness and strength.

Embodiment 4

[0032] Embodiment 4: be respectively magnesium oxide 35% by weight: magnesium chloride solution 40%: modifying agent 0.5%: short fiber 0.2%: fly ash 2%, all the other add 3% ceramic mud ball, 1.5% glass microsphere, 3% wood sawdust, 3% slag, 3% expanded perlite particles, 2% high phosphorus soil, plant fiber. This example not only has high fire resistance, but also has the characteristics of light weight, heat insulation, high strength and high hardness.

[0033] The magnesium chloride solution glassy degree is 22 °-29 ° among the above each embodiment.

[0034] In this program, when filling the space of the keel skeleton, the inorganic gelling material and the foam are mixed in a volume of 1: 2-6, and the foaming agent used in the foam is 85% by weight of animal protein, sodium lauryl sulfate 14.% solution and 1% foam stabilizer are mixed. This combination can make the generated foam have the best stability, not easy to burst and the volume of the foam is not far apart. The...

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Abstract

The present invention relates to a fireproof door leaf and a manufacturing method thereof, in particular to a fireproof door leaf made of cast-in-situ fireproof material. The fireproof door leaf comprises two panels, a framework and inorganic gelled material for stuffing, wherein the inorganic gelled material is liquid and is in cast-in-place at one side of each panel to form a firing exposed panel and a fire unexposed panel; the framework is mounted between the sides of the two panels, at which the inorganic gelled material is cast; vesicant is added in the liquid inorganic gelled material to form frothy liquid inorganic gelled material which is in cast-in-place in a hollow space formed by the framework so as to form the fireproof insulation main body of the door leaf; and the door leaf after the casting is leveled by a pressure apparatus. The fireproof door leaf and the manufacturing method thereof provided by the present invention has the advantages that the fireproof door leaf is manufactured in cast-in-place, thereby avoiding the phenomena of cracks, uneven stuffing and uneven material mixing in the prior art; the framework is combined with the firing exposed panel and the fire unexposed panel together under the action of a hydrostatic press, thereby avoiding cracks generated by later stage stuffing or decoration; the framework is filled with the inorganic gelled material containing a great amount of foam, thereby lightening the weight of the whole fire door leaf.

Description

technical field [0001] The invention relates to a building fireproofing equipment, in particular to a fireproof door leaf of cast-in-place fireproofing material and a manufacturing method thereof. Background technique [0002] At present, in the structure of the fireproof door leaf in the prior art, there is a method of filling the hollow door with solid flame-retardant materials. The filling materials are generally materials such as rock wool and expanded perlite. The fireproof door leaf manufactured by this method is prone to insufficient filling. Even, various flame retardant materials are mixed unevenly, and the hollow door leaf is filled with gaps or dead corners, which reduces the fire resistance of the entire door leaf. lower than the current national standard. There are also some door leaves made of wooden materials. First, the wood is soaked in a solution made of fireproof materials. After a certain period of time, it is taken out for processing, and finally the re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E06B5/16E06B3/70C04B28/32
Inventor 王本淼王海葳谭世立
Owner HUNAN BDF ENERGY SAVING TECH