Red mud smoke exhaustion air flue, production method thereof and special mould

Abstract

The invention discloses a red mud smoke exhaustion air flue, a production method of the red mud smoke exhaustion air flue and a special mould. The red mud smoke exhaustion air flue uses a glass fiber cloth as a framework, and is poured by uniformly stirred mixture, wherein the mixture is prepared from the following components in percentage by weight: red mud, cement, sand, water soluble resin, polypropylene fiber, water reducing agent, redispersable latex powder, defoaming agent and water, wherein the red mud is generated in an alumina production process by a sintering process, a Bayer process or a combined process; the cement is portland cement, sulfoaluminate cement or a mixture of the two; the sand is medium sand, coarse sand or a mixture of the two. The invention also discloses the production method of the red mud smoke exhaustion air flue and the special mould. The red mud smoke exhaustion air flue is low in manufacturing cost, not only is an utilization rate of waste improved, but also consumption of resources is reduced, and the red mud smoke exhaustion air flue is environment-friendly and energy-saving. The production method is simple to operate, and the produced red mud smoke exhaustion air flue is uniform in wall thickness, stable in quality, and not easy to crack. The used forming mould is simple in structure and low in manufacturing cost.

Description

technical field [0001] The invention relates to a smoke exhaust duct for a building and a production method thereof, belonging to the technical field of building decoration materials. Background technique [0002] The smoke exhaust duct is a pipe installed in the building to discharge the smoke and waste gas in the residential kitchen and bathroom to the outside space, and is used to eliminate the oily fume or dirty air in the bathroom produced by the cooking activities in the kitchen. At present, the production and processing of residential smoke exhaust ducts mainly use cement as the base material and glass fiber mesh cloth as the reinforcing material. The tube blank is made by hand-made on-site or mechanized production of molding molds, and then after more than 48 hours Naturally solidified to get the finished product; this kind of smoke exhaust duct produced by ordinary cement is type-tested according to the national standard "ventilation pipe fire resistance test method...

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art, and to provide a red mud flue exhaust duct with red mud and cement as the main raw materials, which not only solves the problem of red mud polluting the environment, but also reduces the And according to the national standard "ventilation duct fire resistance test method GB / T17428-2009", the type inspection is carried out, and the fire resistance limit is more than 1.0h

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