近年来，更有利于资源保护的技术得到越来越多的关注。在筑养路领域，经济环保的冷再生施工技术正风靡全球。

　　In recent years, technologies that are more conducive to resource conservation have received increasing attention. In the field of road construction and maintenance, economically and environmentally friendly cold recycling construction technology is becoming popular worldwide.

　　频繁受到重型或持久荷载冲击的道路，路基会出现损坏的迹象。如果对受损路基进行修复，则整个路面结构都需要维修。使用冷再生工艺，可将原有材料 100% 的回收并被重新利用，处理过程成本较低，因此，冷再生工艺是一种即经济又环保的理想选择。作为冷再生技术的先驱，在过去的 30 年里，维特根品牌在完善该工艺中起到了关键性的作用，并且为冷再生产品的发展做出了不懈努力。

　　Roads that are frequently impacted by heavy or persistent loads may show signs of damage to the roadbed. If the damaged roadbed is repaired, the entire pavement structure needs to be repaired. By using cold recycling technology, 100% of the original materials can be recovered and reused, with low processing costs. Therefore, cold recycling technology is an ideal choice that is both economical and environmentally friendly. As a pioneer in cold recycling technology, the Wittgen brand has played a crucial role in improving this process over the past 30 years and has made unremitting efforts for the development of cold recycling products.

　　就地冷再生

　　cold in-place recycling

　　WR 系列轮式冷再生机

　　WR series wheel cold regeneration machine

　　维特根品牌为客户提供了三款轮式冷再生机：WR 200，WR 240 和 WR 250。配备强劲的铣刨及拌合转子以及超现代化的喷洒装置，这三款设备均能够一次性完成铣刨沥青路面并破碎、以精准计量喷洒粘结剂和水、以及进行拌合这一系列工序。

　　The Wittgen brand offers customers three types of wheeled cold regeneration machines: WR 200, WR 240, and WR 250. Equipped with powerful milling and mixing rotors, as well as ultra modern spraying devices, all three devices can complete the milling and crushing of asphalt pavement in one go, accurately measure the spraying of binder and water, and carry out a series of mixing processes.

　　履带式冷再生机以及新工艺

　　Crawler type cold recycling machine and new technology

　　维特根品牌还提供了两款履带式冷再生机：2200 CR 和 3800 CR，这两款设备的工作宽度分别为 2.2 m 和 3.8 m。与 WR 系列设备一样，它们可就地再生沥青路面。这两款设备还能使用配备夯锤和布料搅龙的集成式、无级可调的福格勒熨平板，以便对再生沥青混合料进行预压实。

　　The Wittgen brand also offers two track type cold recycling machines: 2200 CR and 3800 CR, with working widths of 2.2 m and 3.8 m respectively. Like the WR series equipment, they can regenerate asphalt pavement on site. These two devices can also use an integrated, infinitely adjustable Vogler ironing board equipped with a rammer and fabric mixer to pre compact recycled asphalt mixtures.

　　除了以传统的上切模式进行冷再生施工之外，这两款设备还能以维特根品牌最新研发的下切模式施工，从而优化冷再生工艺。在这种模式下，再生的材料通过后收料皮带直接输送至摊铺机，然后被立即摊铺并预压，最后，使用压路机进行终压实。尤其对于破损严重、松散的沥青路面，采用下切模式施工可得到理想的材料级配控制。

　　In addition to using the traditional top cutting mode for cold recycling construction, these two devices can also use the latest developed bottom cutting mode of the Wittgen brand for construction, thereby optimizing the cold recycling process. In this mode, the recycled material is directly transported to the paver through the rear receiving belt, and then immediately spread and preloaded. Finally, the roller is used for final compaction. Especially for severely damaged and loose asphalt pavements, using the downward cutting mode for construction can achieve ideal material grading control.

　　维特根 KMA 220 厂拌冷再生设备

　　Wittgen KMA 220 Factory Cold Recycling Equipment

　　维特根 KMA 220 的移动式理念使其在施工现场附近可快速布置并且高效拌合。该厂拌设备从各方面来讲都非常环保：生产混合料的基础材料无需干燥或加热，这就意味着大大节省了能源和成本；往来混合料生产地点和施工现场之间的耗时的卡车运输被最大限度地减少，从而实现了节能减排。

　　The mobile concept of the Wirtgen KMA 220 allows for quick deployment and efficient mixing near construction sites. The mixing equipment in this factory is very environmentally friendly in all aspects: the basic materials for producing the mixture do not require drying or heating, which means significant energy and cost savings; The time-consuming truck transportation between the mixed material production site and the construction site is minimized, thereby achieving energy conservation and emission reduction.

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