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辽宁省《DB21/T 3331-2020覆膜花生残膜机械回收技术规程》解读

2022-12-10 13:32:58 来源:农机网整理发布 阅读量:42383 评论

导读:该标准规定了覆膜花生残膜机械回收过程中的作业条件、机具选择、残膜回收作业、机具养护、残膜处理等。适用于覆膜花生残膜机械回收。

  【农机网 政策与标准】辽宁省《DB21/T 3331-2020覆膜花生残膜机械回收技术规程》于2020年10月30日由辽宁省市场监督管理局批准发布,该地方标准自2020年11月30日起实施。该标准由辽宁省农业农村厅提出,由辽宁省农业农村厅归口,由辽宁省农业科学院、农业农村部南京农业机械化研究所起草。
 
  该标准规定了覆膜花生残膜机械回收过程中的作业条件、机具选择、残膜回收作业、机具养护、残膜处理等。适用于覆膜花生残膜机械回收。


 

  作业条件——
 
  农田环境:农田土质为轻壤或沙壤,适于残膜机械回收作业。
 
  地膜要求:达到GB 13735规定要求。
 
  覆膜花生收获方式——
 
  分段式收获:两段式收获:花生成熟后,机械作业按照 NY/T 2401 实施收获,随后在田间或晒场上用摘果机摘果,使用花生秧膜分离装置去除花生秧和果实中残膜和杂质,并将荚果晾晒至贮藏标准;或在田间整株晾晒,待荚果水分含量将至15%,再用摘果机进行摘果,去除花生秧和果实中残膜和杂质,并将荚果晾晒至贮藏标准。
 
  三段式收获:花生成熟后,选用满足割花生地上植株要求的作业机具,距地表 8cm 割去地上花生秧用于畜禽饲料等,要求花生秧中不掺杂地膜。机械作业按照 NY/T 2401 实施收获。最后在田间或晒场上用摘果机摘果,使用花生秧膜分离装置去杂和晾晒,并将荚果晾晒至贮藏标准。
 
  联合收获:花生成熟后,选用作业性能优良的花生联合收获机,一次性完成收获和摘果等作业工序,机械作业按照NY/T 2401实施,并将荚果晾晒至贮藏标准。
 
  机具选择:选用作业性能优良的花生残膜回收机。采用分段式收获还需要选择分选机,去除花生荚果中的残膜。
 
  农田残膜回收作业作业准备——
 
  掌握机具性能:操作者应认真阅读机具使用说明书,掌握残膜回收机的安装、调试和作业方法、维护保养等内容。
 
  安装调试:按照残膜回收机使用说明书的规定选配拖拉机,拖拉机与残膜回收机安装和调试后,确认悬挂装置连接可靠、升降顺畅、状态稳定。
 
  试作业:正式作业前,应进行长度不少于50m的试作业。检查试作业效果是否达到残膜回收质量要求,针对出现的问题,及时调整作业参数,达到作业质量要求后,方可正式作业。
 
  作业:在保证捡拾深度和的捡拾率前提下,选择合适行进档位匀速作业,避免操作过急、过猛。
 
  作业要求——
 
  实时观察:实时观察残膜回收作业质量,发现作业深度不够或过深时,应及时调整;发现残膜堵塞应及时清理; 发现捡拾率下降,应及时停机检查。
 
  脱膜卸膜:根据残膜回收机性能和单向作业长度,合理选择脱膜卸膜时间,尽量将残膜堆放在地边,或在田间成排堆放,便于残膜运出田间。
 
  其他注意事项:靠近地边作业时,应保证残膜回收机不接触到地边硬埂;残膜回收装置未提升前,严禁拖拉机转弯或倒退;作业结束或作业中临时较长时间停车时,应使残膜回收机具着地,避免机具长时间处于悬挂状态。
 
  作业质量:作业宽幅达到10m后,随机选择5个具有代表性的样点,调查作业深度、漏耕率和残膜回收率,要求5点平均值农机作业捡拾深度≥10cm,漏耕率≤2.5%,残膜回收率≥85%。
 
  作业安全:驾驶员应具有有效驾驶执照,严禁酒后或过度疲劳状态下作业。机具使用前需进行全面检查,确保在良好状态下投入使用。机具作业要严格按照使用说明书和安全操作方法进行。田间作业调头时,要降低速度,缓慢进行。在通过田埂时,应在切断残膜回收机动力后,低速缓慢通过。残膜堵塞或机械故障时,必须停车清理,严禁作业中用手清理;更换配件或排除故障时,拖拉机应熄火解除挂接,严禁在作业中进行调整或修理。运输或作业时,机具上禁止坐人或放置重物。
 
  花生秧和荚果与残膜分离:采用摘果机摘果后,采用分离机将花生秧和荚果与残膜分离,也可采用摘果和残膜分离一体机进行作业。
 
  机具养护:每班作业前,对机具进行调试保养、清理和润滑,确保螺栓连接可靠。作业季结束后,应清除机具的泥土和杂物,检查并及时更换损坏或磨损严重的部件,对需要润滑的部位补加润滑油。机具做适当的防尘处理,存放在防雨雪干燥的库房内。
 
  残膜处理:机械回收后的残膜应交至回收网点,不得随意弃置、掩埋或者焚烧。
 
  点击下方资料下载完整标准文件。
 
  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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