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辽宁省:DB21/T 3376.4—2021《农业机械作业质量 第4部分:秸秆膨化成套设备》

2023-11-07 16:14:54 来源:农机网整理发布 阅读量:12737 评论

导读:该标准规定了秸秆膨化成套设备的术语和定义、作业质量要求、检测方法和检验规则。适用于螺杆挤压式膨化成套设备(以下简称成套设备)的作业质量评定。

  【农机网 政策与标准】2021年1月30日,辽宁省市场监督管理局批准发布了辽宁省DB21/T 3376.4—2021《农业机械作业质量 第4部分:秸秆膨化成套设备》地方标准。该标准自2021年3月2日起实施。
 
  该标准由辽宁省农业农村厅提出并归口管理,由辽宁省农业发展服务中心起草。规定了秸秆膨化成套设备的术语和定义、作业质量要求、检测方法和检验规则。适用于螺杆挤压式膨化成套设备(以下简称成套设备)的作业质量评定。
 
  作业质量要求——
 
  作业条件:
 
  作业物料为经揉搓或粉碎处理后的玉米秸秆,含水率 15%~20%。
 
  成套设备的安装应符合使用说明书规定,并按产品使用说明书要求进行调整和维护保养达到正常作业状态。
 
  作业动力应采用电动机,其功率应符合产品使用说明书规定,作业电压应在 380×(1±5 %)V 范围内。
 
  作业质量指标:在本标准4.1规定的作业条件下,成套设备作业质量应符合表1的规定。
 

  检测方法——
 
  成品含水率:从成品打包储料箱内抽取不少于30g小样,按JB/T 9707-2013的规定,在105oC±5oC恒温下烘干,烘干时间为4h,按式(1)计算成品含水率,取3个样品平均值。】
 
  膨化率:从检测完成品含水率的剩余样品中检出未膨化的秸秆,未膨化的秸秆为较硬的秸秆皮或硬节及块状秸秆和长度大于5mm的硬秸,并称其质量,按式(3)计算膨化率,结果取3个样品平均值,结果保留1位小数。
 
  包膜表面质量:采用目测法检查。包膜后的膨化成品拉伸膜无破损、无破包,测作业检测试验过程中总包膜数,其中任意捆不合格,判该项不合格。
 
  点击下方下载完整标准文本,查看详细测算公式。
 
  注:本文由农机网(www.nongjx.com)整理发布,资料来源:地方标准信息公共服务平台。
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