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氣流沖擊式轉(zhuǎn)筒干燥機(jī)設(shè)計(jì)與試驗(yàn)
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Experiment of Air-impingement Rotary Dryer
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    摘要:

    設(shè)計(jì)了一種氣流沖擊式轉(zhuǎn)筒干燥機(jī),，與常規(guī)式轉(zhuǎn)筒干燥機(jī)相比,，具有傳熱系數(shù)高、物料受熱均勻、節(jié)約能源、單位體積裝載量多等特點(diǎn),。干燥機(jī)采用保溫隔熱,、熱空氣循環(huán)利用以及換氣除濕等方法,，工作時(shí)可根據(jù)不同物料的特性和產(chǎn)品要求調(diào)整熱風(fēng)溫度,、相對(duì)濕度、風(fēng)速,、轉(zhuǎn)筒轉(zhuǎn)速等工藝參數(shù)以及分支噴管直徑,、高度、傾角等結(jié)構(gòu)參數(shù),。以牧草種子（披堿草種子）和胡蘿卜丁為試驗(yàn)物料對(duì)氣流沖擊式轉(zhuǎn)筒干燥機(jī)進(jìn)行了性能試驗(yàn),，干燥后的披堿草種子可達(dá)到國家Ⅰ級(jí)種子標(biāo)準(zhǔn)，脫水胡蘿卜丁復(fù)水后與原物料

    Abstract:

    L,、a,、b色差ΔE僅為5.95。An air-impingement rotary dryer was designed, with a high coefficient of heat transfer, uniform heating of materials, energy conservation, high-volume loading compared to conventional rotary dryer. Some special structural design was used in thermal insulation, recycling of hot air, and dehumidification. The technical and structural parameters of this dryer such as hot air temperature, relative humidity, wind speed, rotary speed, branch nozzle diameter, height and angle, can be adjusted according to different materials properties and products requirement. Herbage seeds (Elymus dahuricus) and carrot cubes were adopted to test the performance of air-impingement rotary dryer. The results of drying can reach national first-class seed quality standard for Elymus dahuricus, and the value of L, a, b color difference, ΔE, between rehydration and raw materials of carrots was only 5.95. 

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姚雪東,肖紅偉,高振江,田松濤,杜榮.氣流沖擊式轉(zhuǎn)筒干燥機(jī)設(shè)計(jì)與試驗(yàn)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2009,40(10):67-70. Experiment of Air-impingement Rotary Dryer[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(10):67-70.

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