Compound modified montmorillonite-carbonized foam phenolic resin based thermal insulation material for forklift engine exhaust pipe, and preparation method of thermal insulation material

Abstract

The invention relates to an exhaust pipe used thermal insulation material, in particular to a compound modified montmorillonite-carbonized foam phenolic resin based thermal insulation material for a forklift engine exhaust pipe, and a preparation method of the thermal insulation material. During the preparation process of the material, nano-zinc oxide is added in advance during the foaming process of phenolic resin, so as to improve the carbonizing effect of phenolic resin foam and enable the material subjected to carbonizing treatment to be low in hot-shrinkage rate, stable in size and higher in strength; the adhesive prepared through compounding montmorillonite micro powder, nano alumina sol and other materials is not only good in adhesion and formation, but also further improves the dimensional stability and mechanical properties of the material subjected to high-temperature treatment. The material prepared by using the method provided by the invention has the advantages of being light in weight, fine and uniform in holes, good in thermal insulation, anti-seismic and anti-shock, low in price and environment-friendly; insulation plates, insulation covers and other finished products prepared by using the material are excellent in thermal insulation effect, efficient and durable, and effectively improve the working environment of the forklift engine.

Description

technical field [0001] The invention relates to a heat insulating material for an exhaust pipe, in particular to a composite modified montmorillonite-carbonized foaming phenolic resin-based heat insulating material for a forklift engine exhaust pipe and a preparation method thereof. Background technique [0002] During the continuous operation of the forklift, the exhaust pipe of the engine will generate a lot of heat. Due to the heat circulation, the temperature of the exhaust pipe will eventually be extremely high. If the heat insulation treatment is not carried out, it will seriously affect the parts around the exhaust system. The common treatment method is to wrap a heat shield made of materials with heat insulation effect outside the exhaust pipe. The common heat insulation materials that make up the heat shield mainly include metal aluminum plates, asbestos cloth, glass fiber cloth, etc. However, these materials have some disadvantages. For example, although aluminum m...

AI Technical Summary

Problems solved by technology

[0002] During the continuous operation of the forklift, the exhaust pipe of the engine will generate a lot of heat. Due to the circulation of heat, the temperature of the exhaust pipe will eventually be extremely high. If the heat insulation treatment is not carried out, it will seriously affect the parts around the exhaust system. The common treatment method is to wrap a heat shield made of materials with heat insulation effect outside the exhaust pipe. The common heat insulation materials that make up the heat shield mainly include metal aluminum plates, asbestos cloth, glass fiber cloth, etc. However, these materials have some disadvantages. For example, although aluminum materials have good heat insulation effects, their production costs are relatively high and their elongation is limited, while asbestos cloth and glass fiber cloth have short service life, are easily damaged, are not environmentally friendly, and need to be replaced frequently maintenance and other shortcomings, so it is urgent to develop a more efficient composite insulation material