公司新聞
冷再生機(jī):道路養(yǎng)護(hù)的“綠色革命者”
Cold Recycling Machine: The 'Green Revolutionary' of Road Maintenance
在公路養(yǎng)護(hù)領(lǐng)域,一臺(tái)集銑刨、破碎、拌和、整形功能于一體的機(jī)械巨獸正掀起一場(chǎng)資源循環(huán)利用的革命。冷再生機(jī)作為道路再生技術(shù)的核心裝備,通過(guò)將舊路面材料“變廢為寶”,不僅重塑了道路結(jié)構(gòu),更重新定義了綠色施工的內(nèi)涵。
In the field of highway maintenance, a mechanical behemoth that integrates milling, crushing, mixing, and shaping functions is sparking a revolution in resource recycling. As the core equipment of road regeneration technology, the cold recycling machine not only reshapes the road structure by turning old pavement materials into treasures, but also redefines the connotation of green construction.
一、技術(shù)原理:從破碎到重生的閉環(huán)系統(tǒng)
1、 Technical principle: Closed loop system from fragmentation to rebirth
冷再生機(jī)的核心工藝可概括為“五步再生法”:首先通過(guò)銑刨轉(zhuǎn)子以每分鐘數(shù)百轉(zhuǎn)的轉(zhuǎn)速破碎舊路面,破碎深度可達(dá)400毫米;隨后智能噴灑系統(tǒng)根據(jù)材料含水量自動(dòng)調(diào)節(jié)泡沫瀝青或乳化瀝青的添加量,配合水泥、石灰等穩(wěn)定劑形成再生混合料;接著通過(guò)雙螺旋攪拌裝置實(shí)現(xiàn)均勻拌和;最終由攤鋪系統(tǒng)完成整形,經(jīng)壓路機(jī)壓實(shí)后形成新的道路基層。
The core process of the cold recycling machine can be summarized as the "five step regeneration method": firstly, the old road surface is crushed by milling the rotor at a speed of hundreds of revolutions per minute, with a crushing depth of up to 400 millimeters; Then the intelligent spraying system automatically adjusts the addition amount of foam asphalt or emulsified asphalt according to the water content of the material, and forms the recycled mixture with cement, lime and other stabilizers; Then, uniform mixing is achieved through a double helix mixing device; The final shaping is completed by the paving system, and a new road base is formed after compaction by a roller.
以維特根W380CR為例,其搭載的VARIO噴灑系統(tǒng)能精準(zhǔn)控制0.1-3.0升/平方米的噴灑量,配合下切式銑刨模式,使再生材料級(jí)配均勻度提升40%。該設(shè)備每小時(shí)可處理800噸舊料,相當(dāng)于傳統(tǒng)工藝3倍的施工效率。
Taking the Wittgen W380CR as an example, its VARIO spray system can accurately control the spray volume of 0.1-3.0 liters per square meter, and with the downward cutting milling mode, it can improve the uniformity of recycled material grading by 40%. This equipment can process 800 tons of old materials per hour, which is equivalent to three times the construction efficiency of traditional processes.
二、核心優(yōu)勢(shì):經(jīng)濟(jì)環(huán)保的雙重突破
2、 Core Advantage: Dual Breakthrough in Economic and Environmental Protection
成本革命:江西吉康高速改擴(kuò)建項(xiàng)目數(shù)據(jù)顯示,采用乳化瀝青廠拌冷再生技術(shù),每公里造價(jià)較傳統(tǒng)熱拌瀝青降低48%,節(jié)省加熱能源80%以上。徐工XLZ3805R機(jī)型在沈海高速養(yǎng)護(hù)中,通過(guò)100%利用舊料,使單公里材料成本下降220萬(wàn)元。
Cost Revolution: Data from the Jikang Expressway Reconstruction and Expansion Project in Jiangxi Province shows that the use of emulsified asphalt plant mixed cold recycling technology reduces the cost per kilometer by 48% compared to traditional hot mix asphalt, saving over 80% of heating energy. The XCMG XLZ3805R model has reduced the material cost per kilometer by 2.2 million yuan through 100% utilization of old materials in the maintenance of Shenhai Expressway.
環(huán)保效益:每再生1公里道路可減少二氧化碳排放120噸,相當(dāng)于種植6000棵樹的環(huán)境效益。維特根設(shè)備采用的4支腿獨(dú)立浮動(dòng)技術(shù),使施工揚(yáng)塵降低75%,噪音控制在85分貝以下。
Environmental benefits: Each kilometer of road regeneration can reduce carbon dioxide emissions by 120 tons, equivalent to the environmental benefits of planting 6000 trees. The four leg independent floating technology adopted by the Wittgen equipment reduces construction dust by 75% and controls noise below 85 decibels.
質(zhì)量提升:泡沫瀝青再生層的動(dòng)穩(wěn)定度可達(dá)6000次/毫米,抗車轍能力是傳統(tǒng)基層的3倍。在河北某國(guó)道改造中,冷再生基層使道路使用壽命延長(zhǎng)至15年,較傳統(tǒng)工藝提升50%。
Quality improvement: the dynamic stability of foam asphalt regeneration layer can reach 6000 times/mm, and the rutting resistance is three times that of traditional base course. In the renovation of a national highway in Hebei Province, the use of cold recycled base layer has extended the service life of the road to 15 years, which is 50% higher than traditional technology.
三、應(yīng)用場(chǎng)景:全路況覆蓋的解決方案
3、 Application scenario: Solution for full road coverage
高速公路養(yǎng)護(hù):針對(duì)車轍、裂縫等病害,采用同步攤鋪工藝實(shí)現(xiàn)基層與面層雙層再生。如滬昆高速浙江段使用達(dá)剛DL2500機(jī)組,在48小時(shí)內(nèi)完成10公里雙向車道的再生作業(yè),施工期間僅封閉單幅車道。
Highway maintenance: For diseases such as ruts and cracks, synchronous paving technology is adopted to achieve double-layer regeneration of the base and surface layers. If the Zhejiang section of the Shanghai Kunming Expressway uses the Dagang DL2500 unit, it can complete the regeneration operation of 10 kilometers of two-way lanes within 48 hours, and only close the single lane during the construction period.
城鄉(xiāng)道路改造:徐工XLZ2103SIV機(jī)型在縣鄉(xiāng)公路升級(jí)中展現(xiàn)獨(dú)特優(yōu)勢(shì),其2.1米銑拌寬度可靈活穿梭于狹窄路段,配合蟹行轉(zhuǎn)向功能實(shí)現(xiàn)貼邊作業(yè),使道路拓寬工程效率提升60%。
Urban and rural road renovation: The XCMG XLZ2103SIV model has demonstrated unique advantages in the upgrading of county and township roads. Its 2.1-meter milling and mixing width can flexibly shuttle through narrow sections, and with the crab turning function, it can achieve edge fitting operations, increasing the efficiency of road widening projects by 60%.
特殊場(chǎng)景應(yīng)用:在機(jī)場(chǎng)跑道修復(fù)中,冷再生機(jī)通過(guò)精確控制再生深度(誤差±5毫米),確保跑道平整度達(dá)到民航I類標(biāo)準(zhǔn)。青島流亭機(jī)場(chǎng)跑道再生項(xiàng)目驗(yàn)證,再生層摩擦系數(shù)較傳統(tǒng)工藝提高15%。
Special scenario application: In airport runway repair, cold regenerative aircraft ensure runway flatness meets civil aviation Class I standards by precisely controlling the regeneration depth (with an error of ± 5 millimeters). The verification of the runway regeneration project at Qingdao Liuting Airport shows that the friction coefficient of the regeneration layer has increased by 15% compared to traditional processes.
四、技術(shù)演進(jìn):智能化引領(lǐng)行業(yè)變革
4、 Technological Evolution: Intelligence Leads Industry Change
現(xiàn)代冷再生機(jī)已進(jìn)入4.0時(shí)代,以徐工XLZ3805R為代表的智能機(jī)型配備:
Modern cold recycling machines have entered the 4.0 era, and intelligent models represented by XCMG XLZ3805R are equipped with:
功率自適應(yīng)系統(tǒng):當(dāng)銑拌阻力增加時(shí),微控器自動(dòng)調(diào)節(jié)行走系統(tǒng)功率,確保設(shè)備始終處于最佳工況
Power adaptive system: When the milling and mixing resistance increases, the microcontroller automatically adjusts the power of the walking system to ensure that the equipment is always in optimal working condition
3D攤鋪控制系統(tǒng):通過(guò)GPS定位實(shí)現(xiàn)毫米級(jí)平整度控制,減少人工修正量
3D paving control system: achieves millimeter level flatness control through GPS positioning, reducing manual correction
遠(yuǎn)程運(yùn)維平臺(tái):實(shí)時(shí)監(jiān)測(cè)發(fā)動(dòng)機(jī)轉(zhuǎn)速、液壓壓力等200余項(xiàng)參數(shù),故障預(yù)警準(zhǔn)確率達(dá)92%
Remote operation and maintenance platform: Real time monitoring of more than 200 parameters such as engine speed and hydraulic pressure, with a fault warning accuracy rate of 92%
在寧夏某沙漠公路養(yǎng)護(hù)中,智能冷再生機(jī)組通過(guò)物聯(lián)網(wǎng)技術(shù)實(shí)現(xiàn)無(wú)人化作業(yè),在50℃高溫環(huán)境下連續(xù)工作72小時(shí),創(chuàng)造單日再生12公里的紀(jì)錄。
In the maintenance of a desert road in Ningxia, an intelligent cold recycling unit achieved unmanned operation through IoT technology, working continuously for 72 hours in a high temperature environment of 50 ℃, setting a record of 12 kilometers of regeneration per day.
五、行業(yè)前景:萬(wàn)億市場(chǎng)的綠色引擎
5、 Industry prospects: Green engine for trillion dollar market
據(jù)中國(guó)工程機(jī)械工業(yè)協(xié)會(huì)預(yù)測(cè),到2030年國(guó)內(nèi)道路再生市場(chǎng)規(guī)模將突破3000億元。隨著“雙碳”目標(biāo)推進(jìn),冷再生技術(shù)滲透率有望從當(dāng)前的18%提升至45%。維特根、徐工等龍頭企業(yè)正在研發(fā)氫能源動(dòng)力冷再生機(jī),預(yù)計(jì)可使碳排放再降低60%。
According to the prediction of the China Construction Machinery Industry Association, the domestic road regeneration market size will exceed 300 billion yuan by 2030. With the advancement of the "dual carbon" target, the penetration rate of cold recycling technology is expected to increase from the current 18% to 45%. Leading companies such as Wittgen and XCMG are developing hydrogen powered cold regeneration machines, which are expected to reduce carbon emissions by another 60%.
從挪威首條冷再生道路到覆蓋全球60個(gè)國(guó)家的應(yīng)用網(wǎng)絡(luò),這項(xiàng)起源于20世紀(jì)90年代的技術(shù),正通過(guò)持續(xù)創(chuàng)新書寫著道路養(yǎng)護(hù)的綠色未來(lái)。當(dāng)冷再生機(jī)滾過(guò)之處,不僅是舊路面的重生,更是一個(gè)資源循環(huán)利用時(shí)代的開啟。
From Norway's first cold recycling road to an application network covering 60 countries worldwide, this technology, which originated in the 1990s, is writing a green future for road maintenance through continuous innovation. When the cold recycling machine rolls over, it is not only a rebirth of the old road surface, but also the opening of an era of resource recycling.
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