Production line for producing foam microcrystal fire protection, heat insulation and decoration integrated board through smelting slag

Abstract

The invention discloses a production line for producing a foam microcrystal fire protection, heat insulation and decoration integrated board through smelting slag. The production line comprises a charging unit, a mixing and melting unit, a powder preparation unit, a foam sintering heat treatment unit and a post-processing unit in sequence. The comprehensive performance of the foam microcrystal fire protection, heat insulation and decoration integrated board produced through the smelting slag can meet the requirements of various public and civil buildings. The integrated board has the volume weight not greater than 200 kg / m3, the heat conductivity coefficient of 0.05-0.09 W / m.k, the compressive strength of 4-7 MPa, the fracture resistance of 3-6 MPa and the maximum heat resistance temperature of 750-800 DEG C and is an incombustible material of Grade A. Solid waste and energy dual recovery during metallurgy is achieved. the forming and crystallization process is completed in one step. Production energy consumption and cost of products are reduced. The production quantity of natural resources and environmental pollution are reduced. The virtuous cycle of an ecological system is maintained.

Description

technical field [0001] The invention belongs to the technical field of manufacturing thermal insulation materials for building walls, and relates to a production line for producing inorganic foamed microcrystalline plates using smelting slag, in particular to a kind of inorganic foaming with fire prevention, heat preservation and decoration integrated using smelting slag as the main raw material. Production line for microcrystalline sheets. Background technique [0002] At present, my country's building energy consumption (including construction energy consumption, living energy consumption, heating and air conditioning, etc.) accounts for about 30% of the total energy consumption of the whole society. 16.7% of energy consumption), building-related energy consumption can account for 46.7% of total social energy consumption. Building energy consumption has become my country's three "big energy consumers" alongside industrial energy consumption and transportation energy consum...

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Problems solved by technology

[0003] The production process of traditional building materials uses natural ore as the main raw material, and is manufactured through melting, calcination, drying, screening, grinding and other processes, which not only consumes a large amount of non-renewable resources and energy, but also produces waste water, waste gas, waste residue and other pollution emissions, causing enormous damage to the environment

At the same time, one of the measures for building energy saving is to carry out wall insulation. Building wall insulation materials can be divided into two categories: organic and inorganic according to their chemical properties: organic wall insulation materials such as polystyrene, polyurethane, phenolic resin, etc. Such foams have the advantages of light weight and good thermal insulation, but organic thermal insulation materials are prone to aging, and there are problems such as cracking and falling off of the insulation layer and decorative layer, high maintenance costs in the later period, and the inability to last the same life as the building.

What is more serious is the poor fire safety of organic thermal insulation materials. Fire accidents caused by the ignition of organic thermal insulation materials have occurred frequently all over the world, especially when high-rise buildings are on fire due to thick smoke, high toxicity of smoke, and difficulty in escaping, causing Huge property damage and casualties

[0004] The traditional foamed microcrystalline integrated board production line uses cold natural minerals such as quartz sand, dolomite, feldspar, etc. as the main raw materials. When using traditional glass melting furnaces, the fuel consumption is large, the pollution is serious, and it is difficult to replace the raw material types. , the replacement period is long (1-2 days); drying and crushing after water quenching need to be carried out step by step, and ball milling is generally used to grind the granular materials, with low output and high energy consumption; the production of inorganic wall insulation materials such as Rock wool board, calcium silicate board, foam glass board, foamed ceramic board and other materials, and there are problems such as low board strength, high water absorption, and easy pulverization after contact with water. At the same time, the decorative layer and the insulation layer are pasted by adhesive , the finish layer is easy to age, causing personal injury after falling off, and increasing maintenance costs in the later period

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