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大展“烘”圖：《2019農(nóng)業(yè)農(nóng)村10項新裝備》之農(nóng)產(chǎn)品干燥機(jī)械

2019-12-20 16:27:45 來源：農(nóng)機(jī)網(wǎng)原創(chuàng) 作者：四夕 閱讀量：55376 評論

導(dǎo)讀：一直以來，作為傳統(tǒng)的農(nóng)業(yè)大國，我國糧食干燥和倉儲就普遍受到氣候和場地的制約，傳統(tǒng)做法是將糧食直接進(jìn)行晾曬，存在干燥品質(zhì)差、污染重、能耗高、智能低、運行成本大等問題。在收獲期間遇上陰雨天氣的話，更是不利于自然晾曬，給農(nóng)民帶來直接的利益損失。

　　【農(nóng)機(jī)網(wǎng) 科技創(chuàng)新】一直以來，作為傳統(tǒng)的農(nóng)業(yè)大國，我國糧食干燥和倉儲就普遍受到氣候和場地的制約，傳統(tǒng)做法是將糧食直接進(jìn)行晾曬，存在干燥品質(zhì)差、污染重、能耗高、智能低、運行成本大等問題。在收獲期間遇上陰雨天氣的話，更是不利于自然晾曬，給農(nóng)民帶來直接的利益損失。
 
　　糧食烘干作為糧食生產(chǎn)過程中的關(guān)鍵環(huán)節(jié)，是糧食處理的“后一公里”。而谷物干燥機(jī)械化技術(shù)則是以機(jī)械為主要手段，采用相應(yīng)的工藝和技術(shù)措施，人為控制溫度、濕度等因素，在不損害谷物品質(zhì)的前提下，降低谷物含水率，使其達(dá)到國家安全貯存標(biāo)準(zhǔn)的干燥技術(shù)。提高糧食烘干機(jī)械化是符合我國農(nóng)業(yè)現(xiàn)代化發(fā)展道路的，也是實施鄉(xiāng)村振興戰(zhàn)略的重要組成部分。
 
　　同時，隨著土地規(guī)?；?jīng)營、新型農(nóng)業(yè)經(jīng)營主體逐年壯大，農(nóng)機(jī)購置補(bǔ)貼政策利好等多重因素激發(fā)，我國糧食烘干市場前景廣闊。近年來，我國農(nóng)機(jī)行業(yè)發(fā)展進(jìn)入深度調(diào)整期，全面推進(jìn)農(nóng)業(yè)生產(chǎn)全程機(jī)械化，農(nóng)機(jī)需求向產(chǎn)前產(chǎn)后延伸，需求熱點也開始向烘干類設(shè)備發(fā)展，糧食烘干機(jī)市場快速發(fā)展，逐漸成為農(nóng)機(jī)行業(yè)重要增長點。
 
　　中國農(nóng)學(xué)會發(fā)布的《2019中國農(nóng)業(yè)農(nóng)村重大新技術(shù)、新產(chǎn)品和新裝備》報告中的10項新裝備，除了筆者之前在文章《關(guān)注<2019農(nóng)業(yè)農(nóng)村10項新裝備>之養(yǎng)殖裝備新成果》、《<2019農(nóng)業(yè)農(nóng)村10項新裝備>之種植、農(nóng)產(chǎn)品初加工設(shè)備新成果》中列舉的幾款產(chǎn)品以外，還包含了兩款農(nóng)產(chǎn)品干燥設(shè)備。
 
　　高效節(jié)能糧食干燥關(guān)鍵技術(shù)及其成套設(shè)備
 
　　由華南農(nóng)業(yè)大學(xué)研發(fā)的高效節(jié)能糧食干燥關(guān)鍵技術(shù)及其成套設(shè)備，集機(jī)械、工藝技術(shù)、發(fā)展模式、水分實時在線監(jiān)測與自適應(yīng)控制技術(shù)于一體，形成了遠(yuǎn)紅外→提質(zhì)，提速→強(qiáng)化傳熱→引風(fēng)→降壓→局部閃蒸→降溫提質(zhì)→高活力干燥成套設(shè)備。
 
　　該成果突破了干燥、自適應(yīng)、控制、無塵無熱、慣性、干燥和工藝系統(tǒng)評價等關(guān)鍵技術(shù)，成套裝備產(chǎn)能較傳統(tǒng)做法提高4倍以上；無熱慣性技術(shù)與傳統(tǒng)方式相比，糧溫降低了9℃～11℃，干燥效率提高30%以上；無塵、無害化技術(shù)更是使得粉塵排放大幅度降低。適應(yīng)稻谷、玉米、小麥、高粱、大豆、油菜等各類作物種子，為適應(yīng)我國糧食產(chǎn)業(yè)一體化發(fā)展模式的迫切需求提供了裝備技術(shù)支撐，進(jìn)一步促進(jìn)實現(xiàn)優(yōu)質(zhì)、高效、節(jié)能的干燥目標(biāo)。
 
　　太陽能雙循環(huán)農(nóng)產(chǎn)品干燥設(shè)備
 
　　由農(nóng)業(yè)農(nóng)村部規(guī)劃設(shè)計研究院研發(fā)的太陽能雙循環(huán)農(nóng)產(chǎn)品干燥設(shè)備，干燥系統(tǒng)集內(nèi)循環(huán)和外循環(huán)于一體，采用太陽能集熱加熱空氣方式對農(nóng)產(chǎn)品進(jìn)行干燥。
 
　　該成果基于太陽能光熱轉(zhuǎn)換點與農(nóng)產(chǎn)品干燥特性，突破多項技術(shù)難點，克服溫室型太陽能干燥裝置缺陷，實現(xiàn)了農(nóng)產(chǎn)品干燥的安全、營養(yǎng)、低耗、節(jié)能、減污、高效。內(nèi)外循環(huán)通道相互獨立，能夠根據(jù)需要實現(xiàn)內(nèi)外循環(huán)獨立進(jìn)行或同時進(jìn)行，不僅充分利用熱能、節(jié)約能源，還能實現(xiàn)勻風(fēng)干燥、有效保證產(chǎn)品的干燥品質(zhì)；設(shè)有勻風(fēng)室，確保進(jìn)入干燥室的熱風(fēng)溫度恒定和均勻，進(jìn)一步提高干燥品質(zhì)；采用一體式結(jié)構(gòu)，有效降低占地空間和制造成本，節(jié)約設(shè)備投資。
 
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