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對(duì)話Yves Marc Schade

德國(guó)施德蘭干燥技術(shù)有限公司

導(dǎo)讀 | 《世界水泥》雜志最近與德國(guó)施德蘭干燥技術(shù)有限公司產(chǎn)品總監(jiān)Yves Marc Schade討論生產(chǎn)企業(yè)使用垃圾燃料減少粉塵排放的潛力，并就可制備垃圾燃料材料實(shí)現(xiàn)高效、可持續(xù)燃燒的最佳技術(shù)和機(jī)械提供建議。

比較

未公開的德國(guó)水泥廠，出料量8.9 t/h, 15%-5%濕度

垃圾燃料（RDF）是去除了不可燃物部分的城市固廢經(jīng)過(guò)處理制備而成的。帶式干燥機(jī)通常用于垃圾燃料（RDF）的生產(chǎn)過(guò)程中，在廢料轉(zhuǎn)化為燃料之前，通過(guò)帶式干燥機(jī)對(duì)固廢進(jìn)行干燥，低溫帶式干燥機(jī)用于干燥垃圾燃料（RDF）的優(yōu)點(diǎn)有很多：

Refuse-derived fuel (RDF) is produced with municipal solid waste that has been processed to remove non-combustible materials. Belt dryers are commonly used in the RDF production process to dry the waste material before it is converted into fuel. Some of the advantages of low-temperature belt dryers for drying RDF are:

能效：與高溫干燥機(jī)相比，低溫帶式干燥機(jī)的能耗明顯較少，這意味著低溫帶干燥機(jī)式更節(jié)能，有助于降低運(yùn)營(yíng)成本。
Energy efficiency: Low-temperature belt dryers use significantly less energy compared to high-temperature dryers. This means that low-temperature dryers are more energy-efficient and can help reduce operating costs.
低粉塵排放：低溫帶式干燥機(jī)比高溫干燥機(jī)產(chǎn)生更少的粉塵排放，在環(huán)保方面更友好。這是因?yàn)榈蜏馗稍镞^(guò)程中蒸發(fā)水分所需要的能耗較少，運(yùn)行所需的燃料也較少，從而降低了粉塵排放。
Reduced emissions: Low-temperature belt dryers produce less emissions than high-temperature dryers, making them more environmentally friendly. This is because the low-temperature drying process produces less moisture and requires less fuel to operate, resulting in lower emissions.
高品質(zhì)干料：低溫帶式干燥機(jī)通過(guò)防止干燥過(guò)程中物料因過(guò)熱而分解，有助于保證垃圾燃料（RDF）最終干料的質(zhì)量，這種方式將確保更加均勻一致的高品質(zhì)干料。
High quality product: Low-temperature belt dryers help maintain the quality of the RDF product by preventing it from overheating and breaking down. This results in a more consistent and high-quality product.
安全性提升：比高溫干燥機(jī)操作更安全，因?yàn)榛馂?zāi)和爆炸的風(fēng)險(xiǎn)更小，這也是因?yàn)樵诟稍镞^(guò)程中使用的較低溫度的熱風(fēng)降低了著火和燃燒的風(fēng)險(xiǎn)。
Improved safety: Low-temperature belt dryers are safer to operate than high-temperature dryers, as there is less risk of fire and explosion. This is because the lower temperatures used in the drying process reduce the risk of ignition and combustion.
多場(chǎng)景應(yīng)用：低溫帶式干燥機(jī)由于其溫和的干燥過(guò)程，可應(yīng)用于多種物料干燥，包括垃圾燃料（RDF）。這意味著相同的設(shè)備可用于多種應(yīng)用場(chǎng)景，減少了對(duì)額外設(shè)備的需求，從而節(jié)省投資。
Versatility: Low-temperature belt dryers can be used for a wide range of materials, including RDF, due to their gentle drying process. This means that the same equipment can be used for multiple applications, reducing the need for additional equipment and thus saving money.

優(yōu)勢(shì)

拉脫維亞Broceni水泥廠，出料量7.7 t/h, 25%-3%濕度

總的來(lái)說(shuō)，低溫帶式干燥機(jī)在干燥垃圾燃料（RDF）方面比高溫干燥機(jī)具有這些優(yōu)勢(shì)：包括能效、低粉塵排放、高質(zhì)量干料、提高安全性提升和多場(chǎng)景應(yīng)用。

Overall, low-temperature belt dryers offer several advantages over high-temperature dryers for drying RDF, including energy efficiency, reduced emissions, high-quality product, improved safety, and versatility.

垃圾燃料（RDF）可替代煤炭和天然氣等化石燃料，實(shí)現(xiàn)碳中和的水泥生產(chǎn)，而這些燃料都是水泥生產(chǎn)中傳統(tǒng)主要能源，以下是垃圾燃料（RDF）在水泥生產(chǎn)中實(shí)現(xiàn)碳中和的一些方法：

RDF can be used in a carbon neutral cement production process by replacing fossil fuels, such as coal and natural gas, which are traditionally used as the primary energy source in cement manufacturing. Here are some ways RDF can be utilised to achieve CO2 neutrality in cement production:

替代燃料：垃圾燃料（RDF）可以用作水泥窯的替代燃料，取代一部分用于產(chǎn)生窯熱的煤炭等化石燃料，通過(guò)減少煤炭等化石燃料的耗量和相應(yīng)的二氧化碳排放量，減少了水泥生產(chǎn)過(guò)程的碳足跡。
Alternative fuel: RDF can be used as an alternative fuel in the cement kiln, replacing a portion of the fossil fuels used to generate heat. This reduces the carbon footprint of the cement production process by reducing the amount of fossil fuels burned and the associated CO2 emissions.

熱能回收：通過(guò)利用熟料冷卻過(guò)程中產(chǎn)生的窯頭廢熱來(lái)提高垃圾燃料（RDF）的熱能，既減少了對(duì)化石燃料的需求，又確保以高效和可持續(xù)的方式利用固廢的熱值。
Energy recovery: The energy content of RDF will be elevated by using excess heat generated during clinker cooling. This reduces the need for fossil fuels and ensures that the energy content of the waste material is utilised in an efficient and sustainable manner.

應(yīng)用

英國(guó)Nawrocki造粒廠，出料量4.5 t/h, 20%-10%濕度

在水泥生產(chǎn)中使用垃圾燃料（RDF）可以減少水泥生產(chǎn)過(guò)程的碳足跡，并有助于實(shí)現(xiàn)碳中和。通過(guò)利用垃圾燃料（RDF）作為替代燃料并回收其熱能，可以減少對(duì)煤炭等化石燃料的需求，從而降低粉塵排放。此外，通過(guò)捕獲和儲(chǔ)存二氧化碳排放，水泥生產(chǎn)過(guò)程可以成為碳中和的甚至碳負(fù)。垃圾燃料（RDF）的使用可能會(huì)對(duì)未來(lái)的水泥生產(chǎn)產(chǎn)生重大影響。隨著世界尋求向更可持續(xù)和低碳的能源轉(zhuǎn)型，垃圾燃料（RDF）已成為水泥生產(chǎn)的一種可行的替代燃料來(lái)源。以下是RDF的使用可能影響未來(lái)水泥生產(chǎn)的一些方式：

The use of RDF in cement production can reduce the carbon footprint of the cement manufacturing process and help achieve CO2 neutrality. By utilising RDF as an alternative fuel and recovering its energy content, the need for fossil fuels can be reduced, resulting in lower emissions. Additionally, by capturing and storing CO2 emissions, the cement production process can become carbon neutral or even carbon negative. The use of RDF is likely to have a significant impact on cement production in the future. As the world seeks to transition to more sustainable and low-carbon energy sources, RDF has emerged as a viable alternative fuel source for cement production. Here are some ways in which the usage of RDF is likely to impact cement production in the future:

減少碳足跡：在水泥生產(chǎn)中使用垃圾燃料（RDF）可以顯著減少水泥生產(chǎn)過(guò)程的碳足跡。通過(guò)用垃圾燃料（RDF）取代煤炭等化石燃料，可以大大減少與水泥生產(chǎn)相關(guān)的碳排放，有助于減輕水泥行業(yè)對(duì)環(huán)境的影響。
Reduced carbon footprint: The use of RDF in cement production can significantly reduce the carbon footprint of the cement manufacturing process. By replacing fossil fuels with RDF, the emissions associated with cement production can be greatly reduced, helping to mitigate the impact of the cement industry on the environment.
能效：垃圾燃料（RDF）可以通過(guò)提供更高效和可持續(xù)的替代燃料來(lái)幫助提高水泥生產(chǎn)的能效，這有助于降低能耗以及成本，并提高水泥生產(chǎn)過(guò)程的整體可持續(xù)發(fā)展。
Energy efficiency: RDF can help to improve the energy efficiency of cement production by providing a more efficient and sustainable source of fuel. This can help to reduce energy consumption, lower costs, and improve the overall sustainability of the cement production process.
固廢處置：在水泥生產(chǎn)中使用垃圾燃料（RDF）可以為可能最終被填埋的廢料提供一個(gè)可持續(xù)的處置出口，從而有助于解決日益嚴(yán)重的固廢處置問(wèn)題。這有助于減少固廢量，并將固廢處置對(duì)環(huán)境的影響降至最低。
Waste management: The use of RDF in cement production can help to address the growing problem of waste management by providing a sustainable outlet for waste materials that might otherwise end up in landfills. This can help to reduce the amount of waste generated and minimise the environmental impact of waste disposal.
法規(guī)和激勵(lì)措施：世界各國(guó)政府越來(lái)越多地實(shí)施法規(guī)和激勵(lì)政策，鼓勵(lì)在水泥生產(chǎn)中使用包括垃圾燃料（RDF）在內(nèi)的替代燃料，這可能會(huì)推動(dòng)RDF在水泥行業(yè)的應(yīng)用，并進(jìn)一步加速向更可持續(xù)的能源形式的過(guò)渡。
Regulations and incentives: Governments around the world are increasingly implementing regulations and incentives to encourage the use of alternative fuels, including RDF, in cement production. This is likely to drive the adoption of RDF in the cement industry and further accelerate the transition to more sustainable forms of energy.

總結(jié)

總體而言，垃圾燃料（RDF）的使用可能會(huì)對(duì)未來(lái)的水泥生產(chǎn)產(chǎn)生重大影響，有助于提高水泥生產(chǎn)過(guò)程的可持續(xù)性和效率，同時(shí)減少水泥行業(yè)對(duì)環(huán)境的影響。

Overall, the use of RDF is likely to have a significant impact on cement production in the future, helping to improve the sustainability and efficiency of the cement manufacturing process while reducing the industry’s impact on the environment.

直接采用窯頭廢熱 directly heated by process air
全自動(dòng)化操作 fully automated operation
低溫干燥技術(shù) low temperature drying
有效可靠的工藝 proven technol

來(lái)源和版權(quán)：《世界水泥雜志》，2023年8月