CN2060215U - Compound refractory brick - Google Patents

Abstract

The utility model provides a compound refractory brick, the abdominal cavity of which is filled with heat-insulating materials. The utility model is suitable for using as building materials of high temperature devices. The air in the cavity of an ordinary hollow refractory brick forms convection when the air suffers from heating, so heat-insulating property is bad. The heat-insulating materials are filled in the cavity of the hollow refractory brick by the utility model, and under the prerequisite that the strength of the refractory brick isn't changed, the utility model enhances heat-insulating property thereof with a vast scale, and reduce the whole cost of components.

Description

Compound refractory brick

The utility model relates to a kind of refractory brick, is filled with the refractory brick of insulation material in particularly a kind of cavity, belongs to heat-insulating construction material.

Normally used hollow refractory brick, its structure are the obform body of hollow, and Intraabdominal air can form convection current after being heated, and the heat in the furnace chamber scatters and disappears by brick wall, and heat-insulating efficiency reduces.In order to improve the heat-proof quality of high-temperature service, just need to increase the thickness of refractory wall, or use solid brick instead for it, cause the entire equipment cost to increase, and too fat to move heaviness.

The utility model provides a kind of thermal conductivity factor little at above-mentioned deficiency, and the constant quarl of intensity and weight reaches the purpose that improves the refractory brick heat-insulating efficiency.

The technical solution of the utility model is achieved in that the obform body that refractory brick is fired into tower structure, fill insulant material in the abdominal cavity, then open end is sealed.

Embodiment of the present utility model will provide in conjunction with the accompanying drawings.

Fig. 1 is a structural representation of the present utility model.

With reference to Fig. 1, various refractory materials such as magnesia, tripoli, alum clay etc. are fired into the obform body 1 of tower structure, (magnesia brick, silica brick, diatomite brick, aluminium brick) is according to different purposes, fill insulation materials 2 such as alumina silicate fibre, mineral wool, rock wool or expanded perlite respectively, be advisable the lid 4 adding additives sealing of the end face 3 usefulness homogeneous materials of its opening to be full of cavity.Lid 4 also can adopt the sealing of insertion type structure.During walling, with openend high temperature dorsad.After the isolation of the less insulation material of brick wall and thermal conductivity factor, the high temperature in the furnace chamber is difficult for distributing, and has improved heat-proof quality.Because the heat-insulating efficiency height of single brick descends the whole cost of member, and volume is corresponding reduces.

The utility model adopts cheap insulation material to make filler, has improved the heat-proof quality of single refractory brick. It is simple in structure, is suitable for batch production, has economic benefit and practical value.

Claims (2)

1, a kind of composite refractory brick is made up of hollow refractory brick, it is characterized in that: be filled with insulation material in the cavity of refractory brick.

2, by the described refractory brick of claim 1, it is characterized in that insulation material is meant the gentle quality guarantee adiabator of thermal conductivity factors such as alumina silicate fibre, mineral wool, rock wool, expanded perlite less than refractory brick.

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