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电动散装粮食扦样器扦样代表性研究
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Study on the sample representativeness of electric sampler for bulk grain
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    摘要:

    用电动散装粮食扦样器,分别对高大平房仓的稻谷、小麦、玉米和大豆进行扦样,扦取的样品进行杂质和破碎粒或谷外糙米检验,检验结果分别与套管粮食扦样器和电动吸式粮食扦样器扦取的样品比较。结果表明:电动散装粮食扦样器与套管粮食扦样器之间均无显著差异,其平均值之差符合国家标准规定的重复性要求;电动吸式粮食扦样器均显著高于或高于套管粮食扦样器和电动散装粮食扦样器,其平均值之差超过国家标准规定的重复性要求(杂质含量低的小麦除外)。因此,电动散装粮食扦样器既克服了套管粮食扦样器不能到达粮食深层扦样,又克服了电动吸式粮食扦样器扦取的样品不适于杂质检验的限制和会增加破碎粒或谷外糙米的可能,能满足高大平房仓、立筒仓和浅圆仓等的扦样深度要求,扦取的样品杂质总量和破碎粒或谷外糙米检验结果能代表整仓粮食的原始质量状况,具有广阔的应用前景。

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    Paddy, wheat, corn and soy stored in large warehouse were sampled by electric bulk grain sampler. The impurity, broken grain or husked rice in peddy sample were texted. The inspection result sampled by electric sampler was compared with that by casing grain sampler and electric suction grain sampler. The result shows that there is no significant difference between electric bulk grain sampler and casing grain sampler. The difference between the average values is in line with national standards for repeatability requirement. Whereas, there is more impurities and unpolished rice in the samples acquired by electric suction grain sampler, compared with electric bulk grain samplers and casing grain sampler, the difference is significant. The differences between the average values exceed national standards for repeatability requirement, except for the wheat with fewer impurities. Therefore, it is suggested that the electric bulk grain sampler has overcome the limitations that casing grain sampler cannot reach sufficient depth of grain bulk and electric suction grain sampler could increase the amount of broken kernels or brown rice which is not suitable for impurity testing. It is able to meet the need of depth while sampling in the large warehouse, silo and squat silos. The test results of total impurities and broken kernels or brown rice can represent the original quality of the grain, which has a broad prospect of application.

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骆 倩,宁 晖,袁向星,应胜建,应美蓉,张谷平,高梦莎.电动散装粮食扦样器扦样代表性研究[J].粮油食品科技,2018,26(1):73-83.

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  • 在线发布日期: 2018-01-25
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