Passive house wall structure

Abstract

The invention discloses a passive house wall structure. A wall body is a building wall body obtained after pouring of reinforced concrete is completed, an HIVP vacuum insulation panel is fixed on the inner wall of the wall body, and alkali-resistant glass fiber grid cloth is fixed on the HIVP vacuum insulation panel; the alkali-resistant glass fiber grid cloth is coated with an anti-crack mortar layer, the outer wall of the wall body is coated with an anti-crack leveling layer, and two layers of graphite polystyrene boards which are pasted in a staggering mode are fixed by heat shielding bridge heat preservation nails on the anti-crack leveling layer; second alkali-resistant glass fiber grid cloth is fixed on the graphite polystyrene boards, the second alkali-resistant glass fiber grid cloth is coated with a second anti-crack mortar layer; then the second anti-crack mortar layer is coated with outer wall putty, and finally an outer wall decorative layer is fixed on the outer wall putty. According to the passive house wall structure, effects of heat preservation and thermal insulation are good, the air tightness is high, and the thermal conductivity of the double layers of graphite polystyrene boards is 0.032 W / (M K), so that the loss of the indoor cooling and heating capacity and the invasion of the outdoor cold and hot air are effectively reduced.

Description

technical field [0001] The invention belongs to the field of construction and relates to a wall structure of a passive house. Background technique [0002] With the development of the economy, energy and the environment have increasingly become the focus of people's attention, and the requirements for building energy conservation are getting higher and higher. Building thermal insulation is an important part of building energy conservation, which is to improve the thermal insulation performance of the building itself. Some existing building exterior walls use 8-10cm extruded board or polystyrene board, which has a high thermal conductivity and is laid on a single board, which has poor thermal insulation effect and poor air tightness. The air exchange volume is large, and the temperature in the house cannot be guaranteed. It is hot in summer and cold in winter. Contents of the invention [0003] The purpose of the present invention is to solve the above-mentioned problems...

AI Technical Summary

Problems solved by technology

Some existing building exterior walls use 8-10cm extruded board or polystyrene board, which has a high thermal conductivity and is laid on a single board, which has poor thermal insulation effect and poor air tightness. The air exchange volume is large, and the temperature in the house cannot be guaranteed. It is hot in summer and cold in winter.

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