Excavating frozen soil with a ripper, the energy consumption per unit of earthwork is only 0.22-0.66kwh/m, while excavating frozen soil with other methods can reach 1.0-2.0kwh/m. In the area, scrapers with higher productivity can be used to clean up. The operation of scarifiers has low vibration, low noise and safety, and is especially suitable for operations in cities and near nuclear power plants (because the drilling and blasting method cannot replace the scarifiion operations in these areas).
Classifiion of scarifying working devices Scarifiers are divided into several egories according to their use, power and traction, and structural features.
According to the purpose, it is divided into two types: auxiliary operation scarifier and main operation scarifier. The former is suitable for excavating frozen soil layers, road trenches and construction sites with a thickness of 150-200mm.
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