With the acceleration of urban development, large-scale demolition and pavement repair are being carried out all over the country. Pavement cold recycling machine is required for pavement repair. Let's have a look!

一般来说，路面长时间经受重型交通，会导致路基损坏。为了这种损坏，需要对整个路面进行结构性修理。路面冷再生机将铣刨料全部进行从头使用，加之其经济的处理方式，使得采用泡沫沥青进行冷再生施工成为一种开创性方案，到达而经济的效果。

Generally speaking, the pavement will be damaged by heavy traffic for a long time. In order to eliminate this damage, the entire pavement needs to be structurally repaired. The cold recycling machine for pavement uses all milled materials from scratch, and its economic treatment method makes the cold recycling construction with foam asphalt a pioneering solution to achieve environmental and economic effects.

路面冷再生机的组成和作业原理

Composition and operation principle of pavement cold recycling machine

组成：路面冷再生机是沥青路面冷再生施工中的首要设备，一般由 动力体系、传动体系、作业设备、喷洒体系和操作操控体系组成。

Composition: the pavement cold recycling machine is the primary equipment in the construction of asphalt pavement cold recycling, which is generally composed of power system, transmission system, operation equipment, spraying system and operation control system.

作业原理：路面冷再生机向前行进时，转子向上旋转铣刨原路面资料，同时， 水经过软管从路面冷再生机衔接的水车中输送过来，并在路面冷再生机的搅拌仓中喷洒。水的输送量经过微处理器操控的泵送体系操控，以到达需要的含水量。铣刨转子将水与铣刨料充沛搅拌。液体稳定剂，例如热沥青 (冷再生机自带泡沫沥青发泡设备，可将热沥青加热到160- 180 °C，与少量水混合发泡)可经过专门规划的喷洒嘴被喷洒到搅拌腔；粉状稳定剂如水泥需按规划增加量事先洒布在路面冷再生机前的路面上，路面冷再生机将粉状稳定剂与再生料和水一次性搅拌。如遇再生层原级配不良的情况，可在再生前将所缺少的部分集料洒布在 路面上，经过与旧料搅拌来改善原路面资料的级配。

Operating principle: when the road surface cold regenerator moves forward, the rotor rotates upward to mill the original road surface data. At the same time, the water is conveyed from the water truck connected with the road surface cold regenerator through the hose and sprayed in the mixing bin of the road surface cold regenerator. The water delivery volume is controlled by the microprocessor-controlled pumping system to reach the required water content. The milling rotor will fully mix the water and milling materials. Liquid stabilizers, such as hot asphalt (the cold regenerator is equipped with foam asphalt foaming equipment, which can heat the hot asphalt to 160-180 ° C and mix it with a small amount of water for foaming) can be sprayed into the mixing chamber through a specially planned spray nozzle; Powdery stabilizer such as cement shall be sprayed on the pavement in front of the pavement cold recycling machine according to the planned increase. The pavement cold recycling machine will mix the powdery stabilizer with recycled materials and water at one time. In case of poor original grading of the recycled layer, some of the missing aggregate can be distributed on the pavement before regeneration, and the grading of the original pavement data can be improved by mixing with the old material.

路面冷再生机的施工办法在全球范围内已得到遍及认可，它在沥青路面的修理方面受到了路途建设部门和修建公司越来越多的关注。

The construction method of pavement cold recycling machine has been widely recognized all over the world. It has attracted more and more attention from road construction departments and construction companies in the repair of asphalt pavement.

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