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盘锦市:《DB2111/T0010-2021水稻机械化收获技术规范》解读

2022-08-12 13:54:32 来源:农机网整理发布 阅读量:26628 评论

导读:该标准规定了水稻机械化收获作业条件、作业前准备、作业、作业质量、检测方法、安全要求和维护保养。适用于履带式水稻联合收割机机械化收获作业。

  【农机网 政策与标准】今年,全国夏粮总产量达到2947.8亿斤,比上年增产28.7亿斤,再创历史新高。单产提高超过预期是夏粮增产的又一大主要原因,这得益于中央深入推进“藏粮于地、藏粮于技”战略。今年,全国已建成高标准农田9亿多亩,黄淮海主产区小麦机收率提升至99%,促弱转壮、“一喷三防”等技术措施成效显著。夏粮单产再创历史新高,每亩达到370.4公斤,实现连续4年增长,对夏粮增产的贡献达64%。
 
  近年来,我国主粮机收率获得显著提高。各地也相继制定并实施了相关技术标准。《DB2111/T0010-2021水稻机械化收获技术规范》由盘锦市农业农村局提出并归口,由盘锦市现代农业发展中心起草,规定了水稻机械化收获作业条件、作业前准备、作业、作业质量、检测方法、安全要求和维护保养。适用于履带式水稻联合收割机机械化收获作业。于2021年9月24日由盘锦市市场监督管理局批准发布,自2021年10月24日起实施。
 
  该标准规定了水稻机械化收获作业条件、作业前准备、作业、作业质量、检测方法、安全要求和维护保养。适用于履带式水稻联合收割机机械化收获作业。
 
  作业条件——
 
  地块及作物要求:
 
  作业地块农田道路满足履带式水稻联合收割机和运粮车行走要求。
 
  作业地块最大泥脚深度≤30 cm,水稻倒伏角度符合收割机使用说明书要求。
 
  半喂入联合收割机作业地块水稻自然高度在 65 cm~130 cm 之间, 穗幅差≤25 cm。
 
  作业地块水稻黄化完熟率 95%以上,水稻叶面干燥无露水,籽粒含水率在 15%~28%。
 
  机具要求:
 
  半喂入收割机适宜在 9 月下旬后期至 10 月下旬初期收割,全喂入收割机适宜在 10 月中旬中、后期到 10 月末期间收割,稻谷易掉粒时应选择使用全喂入收割机,泥脚较深地块使使用带有底盘升降和割台平衡功能的收割机,食味值要求较高地块优先使用半喂入收割机。
 
  秸秆还田地块,全喂入收割机需加装茎秆切碎还田装置。
 
  操作人员要求:
 
  收割机驾驶员接受过技能培训和安全教育培训,取得农业机械化主管部门核发的驾驶证,具备熟   练操作能力。
 
  辅助作业人员接受过技能培训和安全教育培训,能熟练配合驾驶员完成作业任务。
 
  作业前准备:
 
  按照产品使用说明书的要求,对收割机操作部、动力部、行走部、收割部、脱粒部、茎秆切碎部进   行例行检查、保养和调整。
 
  对田块四角进行人工收割防碾压处理,清除或标记田间障碍物,测量田块泥脚深度以确保机具通过性。
 
  合理规划收割路线,满足高效收割、卸粮要求。
 
  按照“标准”作业速度试收割 30 m 左右,停车后调整拨禾轮、喂入深浅机构、风扇转速、进风口开度、滚筒脱粒间隙、脱粒室排尘手柄开度、清选筛角度、切碎茎秆排放宽度等收割质量调整机构,确   保收割质量满足与用户约定要求或行业标准要求。
 
  作业:
 
  秸秆还田地块,接合茎秆切碎装置并调整茎秆排放宽度到最大抛撒幅宽。
 
  将油门调整到收割作业额定转速,作业手柄调整到“标准”档位,严禁使用“行走”档位收割作业。
 
  作业过程中要始终保持发动机在额定转速下作业,遇潮湿天气或倒伏地块、泥烂地块等情况应降低   速度或减小作业幅宽。
 
  收割机在地头、地边、转弯或跨越田埂作业时应降低速度。
 
  半喂入收割机收割倒伏水稻,当倒伏角度<75°时宜采用逆向收割,当75°<倒伏角度<85°时宜采用顺向收割并调快扶禾速度。全喂入收割机收割倒伏水稻,当倒伏角度<45°时宜采取顺向收割,当倒伏角度在45°~60°时,宜采取逆向收割。
 
  作业质量角度:
 
  以下作业质量指标部分引用NY/T 498、DG/T 014规定。
 
  损失率:全喂入收割机≤2.8%,半喂入收割机≤2.5%。
 
  破碎率:全喂入收割机≤1.5%,半喂入收割机≤0.5%。
 
  含杂率:全喂入收割机≤2.0%,半喂入收割机≤1.0%。
 
  稻茬高度≤15 cm。
 
  秸秆还田地块:茎秆切碎段长≤10 cm、茎秆切碎合格率≥90%。
 
  检测方法:按 NY/T 498 检测方法执行。
 
  安全要求:
 
  联合收割机需配备灭火器,作业过程中及时清理油箱、电池、皮带以及排气管附近杂草,以免造成   火灾。
 
  作业过程中,收割机应与周边人员、车辆保持安全距离,以免造成人员伤亡和财产损失。
 
  停车检查、排除故障或加油时,发动机要熄火。
 
  收割机田间行驶应确认路况是否适宜通行,进入田块、跨越沟渠、田埂以及通过松软地带,必要时   使用具有适当宽度、长度和承载强度的跳板。
 
  收割机引导装卸时,装卸板应具有足够长度(车厢高度的 4 倍以上)、宽度(55 cm 以上)和承载质量,并带有防滑挂钩,机器正前方、正后方和侧方站人应保证安全距离
 
  维护保养:按 DB21/T 2311 第 8 章规定进行。
 
  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、央视网。
 
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