Glass curtain wall includes glass and keel.
Then thermal insulation and energy saving refers to glass. Usually glass is made of tempered hollow LOW-E glass. Glass has heat transfer coefficient, reflection coefficient, etc. (please consult the glass manufacturer for details), which are guaranteed by these coefficients of glass. Thermal insulation and energy-saving performance of glass curtain wall. Of course, the north backing board and insulation rock wool need to be added to the inter-layer beams to ensure that the heat transfer coefficient of the structural part meets the design requirements.
The concept of broken bridge means that indoor and outdoor heat will not be conducted through the glass and keel, that is, the conduction path will be disconnected. Thermal bridge treatment mainly refers to the use of broken bridge insulation profiles for the keel. Of course, the warm edge treatment of insulating glass can also be regarded as broken bridge. There are currently three main types of broken bridge insulation profiles: 1. Strip insulation, such as Tylenol insulation strips. 2. Glue injection and heat insulation, such as Yasun glue injection and heat insulation. 3. False thermal insulation, such as through a PVC block or nylon pad.
Specific measures one: thickening the hollow layer of glass, filling the middle with inert gas, using warm edge treatment on the spacer strips in the middle when the glass is joined, using double silver low-e film, etc., which can reduce the risk of glass The heat transfer coefficient increases the thermal insulation and energy-saving performance of glass.
Specific measure two: Use broken bridge insulation profiles to avoid heat and cold exchange between exposed profiles and indoors.
Specific measure three: Use thicker insulation rock wool between layers.
The above opinions are only my personal thoughts. Please forgive me for any omissions and shortcomings and give me your advice.