Insulation wall and manufacturing process thereof

Abstract

The invention discloses an insulation wall and a manufacturing process thereof. The insulation wall comprises a wall body, an insulation layer, a protective layer and a finishing coat, wherein the insulating layer comprises insulation boards which are composite boards made from rigid polyurethane foam generated by on-site injection and foaming of rigid polyurethane, and XPS extruded sheets; the protective layer comprises guard plates which are composite boards formed by taking glazed hollow beads as aggregate; and the wall body and the guard plates are fixedly connected through the rigid polyurethane foam in the insulation boards. The manufacturing process comprises that: non-dismounting fixing plates are manufactured, which comprise the guard plates and the XPS extruded sheets, and the guard plates are made by taking the glazed hollow beads as the aggregate and materials such as cement, mortar and the like as additives; b, the non-dismounting fixing plates are fixed on the external surface of the wall body, and the bottom surfaces and the side surfaces of the fixing plates are sealed; c, the rigid polyurethane is filled in a rigid polyurethane injection device, and is injected along vertical seams of the XPS extruded sheets; and d, after the rigid polyurethane foam is cured, sealing devices are detached. The insulation wall has the advantages of good thermal insulation property, fireproofing, freezeproofing and simple manufacture.

Description

technical field [0001] The field that the invention relates to is the field of building energy saving, especially a thermal insulation wall and its manufacturing process. Background technique [0002] At present, most of the thermal insulation technologies for external walls of buildings at home and abroad are developed under the single-use state of organic and inorganic thermal insulation materials. While the excellent characteristics of materials are utilized, defects cannot be avoided. Organic materials are artificially synthesized polymer structures, which have excellent performances such as heat preservation, heat insulation, and waterproof, but they also have defects such as flammability, easy decomposition and aging, instability in high temperature environments, and release of toxic gases. At the same time, the physical and chemical properties of organic boards and building exterior walls are very different, and the compatibility is poor. The thermal insulation struct...

AI Technical Summary

Problems solved by technology

At present, most of them adopt the method of directly spraying and foaming the external wall surface imported from abroad. This method belongs to the uncontrolled foaming method of rigid polyurethane. The uneven foaming quality is not high, and the surface is uneven, and the waste of thermal insulation materials is large. It needs to be leveled with special adhesive mortar, and the follow-up process is basically the same as that of organic insulation boards. The overall production process is complicated, the production efficiency is low, and the cost is high

A more advanced technology is the use of cast-in-place rigid polyurethane technology, which partially compensates for the problems in the above-mentioned practice, but cannot overcome the pressure generated by rigid polyurethane in controlled foaming

The non-removable mold used in this pouring process is a rigid panel of cement products, which has a large thermal expansion and contraction rate and is easy to crack. It cannot be used as a wall with paint or ceramic tiles on a large area, and the cement product panels High thermal conductivity, poor frost resistance, anti-ultraviolet radiation and other properties, it is difficult to well protect the inner layer of hard polyurethane, making the insulation layer durability and fire resistance low

For example: the invention patent disclosed by the Chinese patent with the application number of 200610150914.1 has complicated manufacturing process, hard polyurethane foam is difficult to control, the protective layer is easy to crack, and the fireproof and frost resistance performance is poor.

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