Year1
- 外形尺寸：
- 40*3*3m
Material selection
) Thermal material selection board is used as the insulation layer material of the composite thermal insulation exterior formwork. The thermal conductivity of the board is small, the compressive strength and impact resistance are high, the water absorption rate is low, and the aging resistance is excellent. It is currently a better lightweight insulation material.
) The cementing material selects ordinary Portland cement as the main cementing material for the bonding reinforcement layer, bonding layer, thermal insulation transition layer and reinforcement. Ordinary Portland cement has wide sources, low price, good water resistance, high strength and excellent durability.
) The insulation board aggregate produced by the demolition-free building exterior formwork equipment selects artificial sand and natural sand mixed in a certain proportion as the bonding reinforcement layer, bonding layer, insulation transition layer and sand for reinforcing ribs.
) Vitrified microspheres are selected as the lightweight filling material for the thermal insulation transition layer.
) The powder is selected from the type of rubber powder produced by the German Wacker Company to improve the bonding strength, water resistance and other properties of the polymer mortar.
) Additives In order to effectively improve the physical and mechanical properties of each layer of composite insulation, water-reducing agents, waterproofing agents, high molecular polymers and other additives are also added.
) Alkali-resistant glass fiber mesh cloth is selected and laid on both sides of the composite insulation formwork to improve its impact resistance, bending load resistance and other mechanical strength.
Production process and equipment
) Preparation process of equipment for dismantling building exterior formwork
Prepare cementitious materials, aggregates, rubber powder and other raw materials for compound cement dry mortar, measure, mix and store.
Warm mortar dry powder is used to prepare cementitious materials, vitrified microspheres, rubber powder and other raw materials by measuring, mixing, mixing and storing. The preparation process of the composite thermal insulation formwork mainly includes cutting the extruded board, creating grooves, spraying the interface agent, laying the inner bonding reinforcement layer of the thermal insulation board, and on the maintenance day, laying the bonding layer, reinforcing ribs, thermal insulation transition layer and outer bonding layer on the outside of the thermal insulation board in sequence. It has a reinforced layer and is naturally maintained until it leaves the factory.
) The demolition-free building exterior formwork equipment mainly consists of electronic measuring devices, dry mortar mixers, slurry mixers, work lifting frames, smoothing devices, conveying equipment and cutting machines. Dry mortar mixers and slurry mixers adopt automatic batching and electronic metering. The highly automated metering and accurate molding equipment has the characteristics of reasonable structural design, convenient production and operation, short molding cycle, high production efficiency, and good product quality.
Product standards and performance index testing are based on our province's current "Residential Building Energy Saving Design Standards", the national "Construction Formwork Safety Technical Specifications" and integrated technical requirements, and formulated the enterprise standard "Composite Exterior Formwork Cast-in-Situ Concrete Insulation Structure" system". After testing by the Shandong Provincial Construction Engineering Quality Supervision, Inspection and Testing Center, the mechanical performance indicators and weather resistance of the permanent composite thermal insulation exterior formwork and the composite exterior formwork insulation system all meet the requirements of relevant national standards and corporate standards
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