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Fuel-powered preheaters are core equipment for low-temperature operations in construction machinery, enabling efficient construction in severe cold conditions.
Release Date:
Aug 05,2025
Source:
In a plateau mining area at minus 20°C, a large excavator's engine runs smoothly after the start button is pressed, and the hydraulic arm precisely lifts the frozen soil layer — this scene is made possible by the stable operation of the fuel-powered vehicle preheater. As the "invisible guardian" of construction machinery in harsh cold environments, the fuel-powered preheater effectively solves the low-temperature starting problem through continuous and stable heat output, becoming an indispensable core equipment for outdoor construction in winter.
The engines and hydraulic systems of construction machinery face multiple challenges in low-temperature environments. When the ambient temperature drops below minus 10°C, diesel fluidity significantly decreases, and engine oil viscosity greatly increases, causing the engine crankshaft rotation resistance to multiply. Traditional starting methods often require multiple attempts, which not only wastes time but may also cause overload damage to the starter motor. Hydraulic oil loses its fluidity at low temperatures, and hydraulic pipelines may burst due to sudden pressure increases, directly affecting the safety of equipment operation. The fuel-powered preheater generates heat by burning diesel, circulating heat to the engine block, oil pan, and hydraulic oil tank, bringing key components to an appropriate temperature before starting, fundamentally solving these issues.
In an environment of minus 25°C, loaders without fuel-powered preheaters have an average start time exceeding 15 minutes, with a first-start success rate of less than 40%; whereas the same model loader equipped with this device reduces start time to within 3 minutes and increases the success rate to 100%. More importantly, the mechanical wear of the engine at the moment of start after preheating is reduced by more than 60%, significantly extending the engine overhaul cycle and reducing high equipment maintenance costs for construction companies.
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No. 20 Xinghai Road, Hanan Industrial New City, Harbin Economic Development Zone, Heilongjiang Province
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