| 刘杲华.在线近红外分析仪在豆粕质量控制中的应用[J].中国油脂,2020,45(12):142~144.[LIU Gaohua.Application of on-line near-infrared spectroscopy analyzer in quality control of soybean meal[J].China Oils and Fats,2020,45(12):142~144.] |
| 在线近红外分析仪在豆粕质量控制中的应用 |
| Application of on-line near-infrared spectroscopy analyzer in quality control of soybean meal |
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| DOI：10.12166/j.zgyz.1003-7969/2020.12.027 |
| 中文关键词: 近红外分析仪 在线监测 豆粕 质量控制 应用 |
| 英文关键词:near-infrared spectroscopy analyzer on-line monitoring soybean meal quality control application |
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| 中文摘要: |
| 通过在生产线安装近红外分析仪在线测定豆粕的水分、粗蛋白质含量和粗脂肪含量，对比研究了近红外分析仪安装位置、豆粕流速和流量稳定性对在线近红外分析仪测定结果与传统国标法测定结果之间误差的影响，确定了生产线的改造方案，并对改造效果进行了考察。结果表明：通过对下料口进行技术改造，加装限料挡板和流量调节手柄，可使豆粕流速和流量稳定，从而减小测定误差；将近红外分析仪安装在成品粕下料溜槽处后方，在线近红外分析仪与国标法测定打包线及发货车辆豆粕的水分、粗蛋白质含量、粗脂肪含量结果的绝对误差分别小于0.20%、0.30%和010%，测定结果稳定可靠。在线近红外分析仪可以用于豆粕生产过程的质量控制。 |
| 英文摘要: |
| The moisture, crude protein content and crude fat content in soybean meal were determined on-line by installing a near-infrared spectroscopy(NIR) analyzer on production line, and the effects of installation location of NIR analyzer, soybean meal flow rate and flow stability on the error of determination results by on-line NIR analyzer and traditional national standard method were measured. The results showed that through the technical transformation of the discharge port, adding the limiting baffle and flow regulating handle, the flow rate and flow of soybean meal were stable, which could reduce the error. The on-line NIR analyzer was installed at the rear of the finished meal chute, and the absolute errors of determination results of moisture, crude protein content and crude fat content in soybean meal by the on-line NIR and national standard method were less than 0.20%, 0.30% and 0.10% respectively. The results of on-line NIR was stable and reliable, and could be used for the quality control of soybean meal production process. |
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