粮油食品科技

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高效无尘清理筛在粮食清理环节中抑尘效果分析
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Effect Analysis of High-efficiency Dust-free Cleaning Screen in Grain Cleaning
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    摘要:

    为有效解决粮食清杂时的环保与产量、效益的矛盾,将振动筛选、比重风选、旋风分离、脉冲除尘和闭环气流循环等除杂除尘技术融为一体,研发高效无尘清理筛,在保证有效除杂的情况下,解决粮库及粮食加工企业粮食清理现场粉尘浓度超标的难题。经粮库现场应用实地测试,结果表明:清理后粮食平均含杂率可控制在0.7%以内,抑尘效果为:作业范围5 m处粉尘浓度低于30 mg/m³、15 m处低于20 mg/m³、25 m处低于10 mg/m³,清理效果和除尘效果均优于常用清理筛。

    Abstract:

    In order to effectively resolve the conflicts between environmental protection, output and benefit during grain cleaning, the vibration screening, specific gravity air separation, cyclone separation, pulse dust removal, closed-loop air circulation and other dust removal technologies are integrated. Efficient dust-free cleaning screens are developed. To achieve effective impurity removal, the problems of excessive dust concentration in grain depots and enterprises’ grain processing and cleaning sites are aimed to be solved. Field tests on the grain depots show that the average impurity content of the grain can be controlled under 0.7% after cleaning, and the dust suppression effect is as follows: dust concentration at 5 m of the operation range lower than 30 mg/m³, 15 m lower than 20 mg/m³ while 25 m lower than 10 mg/m³. Therefore, the cleaning effect and dust removal effect are better than common cleaning mechine.

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叶维林,叶 威,苏 勇,罗 慧*,叶婉婉,夏常月,周 超,叶青松.高效无尘清理筛在粮食清理环节中抑尘效果分析[J].粮油食品科技,2021,29(4):226-233.

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  • 在线发布日期: 2021-07-29
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