冷再生机作为道路养护领域的关键设备，其处理物料效率直接关系到工程进度与资源利用水平。该设备通过铣刨、破碎、拌和等工序，将旧沥青路面材料与再生剂混合，形成可重复利用的基层材料。其效率表现受多重因素综合影响，需从设备性能、工艺参数、物料特性三个维度进行系统优化。

　　As a key equipment in the field of road maintenance, the material processing efficiency of the cold recycling machine is directly related to the project progress and resource utilization level. This equipment mixes old asphalt pavement materials with rejuvenators through processes such as milling, crushing, and mixing to form reusable base materials. Its efficiency performance is influenced by multiple factors and needs to be systematically optimized from three dimensions: equipment performance, process parameters, and material characteristics.

　　设备性能是效率提升的基础。冷再生机的铣刨转子转速、行走速度及动力匹配直接影响单位时间内的物料处理量。例如，转子转速每提升10%，在相同作业宽度下，物料破碎效率可提高。但转速过高可能导致刀具磨损加剧，需平衡效率与耗材成本。此外，发动机功率与液压系统的匹配度关重要，功率不足会导致设备频繁过载，而功率过剩则造成能源浪费。某型号冷再生机通过优化液压泵排量与发动机扭矩曲线，实现能耗降低的同时，作业效率提升。

　　Equipment performance is the foundation for efficiency improvement. The milling rotor speed, walking speed, and power matching of the cold recycling machine directly affect the material processing capacity per unit time. For example, for every 10% increase in rotor speed, the material crushing efficiency can be improved under the same operating width. However, excessive rotational speed may lead to increased tool wear, requiring a balance between efficiency and consumable costs. In addition, the matching degree between engine power and hydraulic system is crucial. Insufficient power can lead to frequent overloading of equipment, while excessive power can result in energy waste. A certain model of cold regeneration machine achieves energy consumption reduction and operational efficiency improvement by optimizing the hydraulic pump displacement and engine torque curve.

　　工艺参数的精准控制是效率优化的核心。再生剂添加量需根据旧料级配与含水率动态调整，过量添加会导致拌和时间延长，不足则影响混合料质量。某试验段数据显示，当再生剂用量控制在旧料质量的3%-5%时，拌和均匀度与效率达到平衡点。行走速度需与铣刨深度匹配，速度过快会导致旧料破碎不充分，速度过慢则降低单位面积产量。通过设定速度区间，可实现日均作业面积提升。

　　The precise control of process parameters is the core of efficiency optimization. The amount of rejuvenator added needs to be dynamically adjusted according to the grading and moisture content of the old material. Excessive addition can lead to prolonged mixing time, while insufficient addition can affect the quality of the mixture. Data from a certain experimental section shows that when the amount of rejuvenator is controlled at 3% -5% of the mass of the old material, the mixing uniformity and efficiency reach the optimal balance point. The walking speed needs to match the milling depth. If the speed is too fast, it will cause insufficient crushing of the old material, and if the speed is too slow, it will reduce the yield per unit area. By setting a speed range, the daily operating area can be increased.

　　物料特性对效率的影响不容忽视。旧沥青路面的老化程度、级配组成及含水率直接影响冷再生机的作业负荷。硬化严重的路面需降低行走速度并增加铣刨次数，而级配良好的旧料可减少破碎时间。环境温度与湿度同样关键，低温环境下沥青粘度增大，需适当提高转子转速以增强破碎能力；高湿度物料则需通过预加热或添加防黏剂改善流动性。

　　The impact of material characteristics on efficiency cannot be ignored. The aging degree, gradation composition, and moisture content of old asphalt pavement directly affect the operating load of the cold recycling machine. Severely hardened road surfaces require a reduction in walking speed and an increase in milling frequency, while well graded old materials can reduce crushing time. Environmental temperature and humidity are equally critical. In low-temperature environments, the viscosity of asphalt increases, and it is necessary to increase the rotor speed appropriately to enhance the crushing capacity; High humidity materials need to improve their flowability by preheating or adding anti sticking agents.

　　为进一步提升效率，可引入智能化技术。例如，配备在线级配检测系统的冷再生机，能实时监测混合料级配并自动调整再生剂用量，减少人工干预。某智能冷再生机通过物联网平台，实现设备状态远程监控与故障预警，使非计划停机时间降低。

　　To further improve efficiency, intelligent technology can be introduced. For example, a cold recycling machine equipped with an online grading detection system can monitor the grading of the mixture in real time and automatically adjust the dosage of the recycling agent, reducing manual intervention. A certain intelligent cold regeneration machine achieves remote monitoring of equipment status and fault warning through an IoT platform, reducing unplanned downtime.

　　冷再生机处理物料效率的提升需以设备性能为基础，通过工艺参数的动态优化与物料特性的精准把控，结合智能化技术，构建、的作业体系。这不仅有助于缩短道路养护周期，更能推动旧料循环利用，实现经济效益与环境效益的双赢。

　　The improvement of material processing efficiency of cold recycling machines needs to be based on equipment performance, through dynamic optimization of process parameters and precise control of material characteristics, combined with intelligent technology, to build an efficient and energy-saving operating system. This not only helps to shorten the road maintenance cycle, but also promotes the recycling of old materials, achieving a win-win situation of economic and environmental benefits.

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