冷再生機(jī)在不同氣候條件下的施工效果有何差異？

　　What are the differences in the construction effects of cold recycling machines under different climatic conditions?

　　冷再生機(jī)在不同氣候條件下的施工效果存在顯著差異。以下將詳細(xì)闡述其在不同氣候條件下的具體表現(xiàn)。

　　There are significant differences in the construction effect of cold recycling machines under different climatic conditions. The following will elaborate on its specific performance under different climatic conditions.

　　一、在溫暖氣候條件下

　　1、 Under warm climate conditions

　　在溫暖地區(qū)，冷再生技術(shù)的應(yīng)用相對(duì)較為順利。以瀝青路面冷再生為例，施工效果良好，能夠有效實(shí)現(xiàn)路面的維修和改造。例如，在一般公路和城市道路的維修改造及升級(jí)中，SY2500H 型橫移式就地冷再生機(jī)采用單車道施工，對(duì)公共交通的影響小，適用于溫暖地區(qū)的道路維修。此外，在溫暖地區(qū)，就地冷再生技術(shù)的施工過程中，材料的性能能夠得到較好的發(fā)揮，再生后的路面質(zhì)量較高。

　　In warm regions, the application of cold regeneration technology is relatively smooth. Taking the cold recycling of asphalt pavement as an example, the construction effect is good and can effectively achieve the maintenance and renovation of the pavement. For example, in the maintenance, renovation, and upgrading of general highways and urban roads, the SY2500H transverse on-site cold recycling machine adopts single lane construction, which has little impact on public transportation and is suitable for road maintenance in warm areas. In addition, in warm regions, the performance of materials can be well utilized during the construction process of on-site cold recycling technology, and the quality of the regenerated pavement is relatively high.

　　二、在寒冷氣候條件下

　　2、 Under cold climate conditions

　　生物廢水處理中的應(yīng)用

　　Application in biological wastewater treatment

　　在寒冷氣候下，生物廢水處理面臨挑戰(zhàn)，因?yàn)榉磻?yīng)速率較低。然而，使用固定生物質(zhì)的 MBBR（Moving Bed Biofilm Reactor）工藝允許在較低溫度下運(yùn)行，例如在處理礦山廢水時(shí)，長(zhǎng)期氮去除可維持在 4°C，硒去除可維持在 7°C。

　　In cold climates, biological wastewater treatment faces challenges due to lower reaction rates. However, the MBBR (Moving Bed Biofilm Reactor) process using fixed biomass allows for operation at lower temperatures, such as in the treatment of mine wastewater where long-term nitrogen removal can be maintained at 4 ° C and selenium removal can be maintained at 7 ° C.

　　施工和拆除廢物回收中的應(yīng)用

　　Application of Waste Recycling in Construction and Demolition

　　在寒冷氣候下，實(shí)施施工和拆除廢物（C&D waste）回收時(shí)，需要考慮不同的市場(chǎng)場(chǎng)景。例如，當(dāng) C&D 廢物回收處理能力短缺或過剩時(shí)，廢物生產(chǎn)者和回收者的利潤(rùn)會(huì)受到影響。在寒冷氣候下，回收者的利潤(rùn)通常會(huì)隨著廢物處置率和投資成本系數(shù)的增加而減少。但當(dāng)回收者的廢物處理能力不足以處理產(chǎn)生的 C&D 廢物時(shí)，回收者可以獲得更多利潤(rùn)。

　　In cold climates, different market scenarios need to be considered when implementing construction and demolition waste (C&D waste) recycling. For example, when there is a shortage or surplus of C&D waste recycling capacity, the profits of waste producers and recyclers will be affected. In cold climates, the profits of recyclers typically decrease as the waste disposal rate and investment cost coefficient increase. But when the waste disposal capacity of recyclers is insufficient to handle the generated C&D waste, recyclers can earn more profits.

　　濕地處理系統(tǒng)中的應(yīng)用

　　Application in wetland treatment system

　　在寒冷溫帶地區(qū)，濕地系統(tǒng)處理各種廢水的數(shù)量在穩(wěn)步增加，包括垃圾填埋場(chǎng)滲濾液。在寒冷氣候條件下，使用人工濕地（CWs）存在三大工程問題，即結(jié)冰、水文和溫度對(duì)生物或微生物介導(dǎo)的處理過程的影響。例如，在斯堪的納維亞半島，由于現(xiàn)場(chǎng) “高科技” 滲濾液處理系統(tǒng)建設(shè)和運(yùn)營(yíng)成本高昂，低成本的擴(kuò)展曝氣池和序批式反應(yīng)器（SBR）在人工濕地處理之前通常能夠成功去除有機(jī)物（化學(xué)需氧量 COD 和生化需氧量 BOD）和 NH4-N。垂直地下流系統(tǒng)由于在垂直過濾器中有更高的氧氣可用性，可能優(yōu)于水平流系統(tǒng)。在氣溫低于 -15°C 的地區(qū)，可能需要季節(jié)性儲(chǔ)存冬季負(fù)荷。

　　In cold temperate regions, the amount of wastewater treated by wetland systems, including leachate from landfills, is steadily increasing. Under cold climate conditions, there are three major engineering issues with the use of constructed wetlands (CWs), namely the effects of icing, hydrology, and temperature on biological or microbial mediated treatment processes. For example, in the Scandinavian Peninsula, due to the high construction and operation costs of on-site "high-tech" leachate treatment systems, low-cost extended aeration tanks and sequencing batch reactors (SBR) can usually successfully remove organic matter (chemical oxygen demand COD and biochemical oxygen demand BOD) and NH4-N before artificial wetland treatment. Vertical underground flow systems may be superior to horizontal flow systems due to higher oxygen availability in vertical filters. In areas with temperatures below -15 ° C, seasonal storage of winter loads may be necessary.

　　公路施工中的應(yīng)用

　　Application in highway construction

　　在寒冷氣候下，公路工程瀝青路面施工中，冷再生技術(shù)的施工效果受到一定影響。但通過合理的施工準(zhǔn)備和技術(shù)使用，可以提高施工質(zhì)量。例如，在公路冷再生施工中，需要針對(duì)瀝青路面冷再生技術(shù)的特點(diǎn)，做好施工準(zhǔn)備和技術(shù)應(yīng)用，以確保工程建設(shè)質(zhì)量。

　　In cold climates, the construction effect of cold recycling technology in asphalt pavement construction of highway engineering is somewhat affected. But through reasonable construction preparation and technical use, the construction quality can be improved. For example, in the cold recycling construction of highways, it is necessary to prepare and apply the cold recycling technology for asphalt pavement based on its characteristics to ensure the quality of the project construction.

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