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脈動(dòng)式氣體射流沖擊干燥機(jī)
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國家高技術(shù)研究發(fā)展計(jì)劃（863計(jì)劃）資助項(xiàng)目（2007AA100406）和北京市科技計(jì)劃資助項(xiàng)目（Z101105053710002）


Pulsed Air-impingement Dryer
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    為解決氣體射流沖擊干燥機(jī)裝載量低、噴嘴直徑與噴嘴出口形狀更換困難等問題，設(shè)計(jì)了一種脈動(dòng)式氣體射流沖擊干燥機(jī)。該干燥機(jī)可根據(jù)不同物料調(diào)整風(fēng)溫、風(fēng)速、料架轉(zhuǎn)速及噴嘴直徑與出口形狀。干燥過程中物料受脈動(dòng)高速熱氣流的沖擊，有利于物料內(nèi)部水分向外遷移。以加工番茄為例進(jìn)行了干燥機(jī)的性能驗(yàn)證試驗(yàn)，結(jié)果表明：脈動(dòng)式氣體射流沖擊干燥與氣體射流沖擊干燥相比裝載量和去水強(qiáng)度得到了較大的提高。

    Abstract:

    A pulsed air-impingement dryer was designed with large processing capacity, convenient to replace the size and shape of the nozzle exit compared to conventional air-impingement dryer. The machine could adjust air temperature, wind speed, rotary speed of materiel shelf, nozzle diameter and structure according to different materials properties. Material was received the pulsed impact of high-speed hot air, which contributed to outward migration of moisture within the material. Tomato was adopted to test the performance of pulsed air-impingement dryer. The results showed that the dehydration intensity and processing capacity of pulsed air-impingement dryer was improved than the conventional air-impingement dryer.

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王麗紅,高振江,林海,肖紅偉,張茜.脈動(dòng)式氣體射流沖擊干燥機(jī)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2011,42(10):141-144. Wang Lihong, Gao Zhenjiang, Lin Hai,Xiao Hongwei, Zhang Qian. Pulsed Air-impingement Dryer[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(10):141-144.

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