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过渡时期用好“国四”农机的五个关键点

2023-02-01 09:22:45 来源:酒泉市农机服务中心 阅读量:17566 评论

导读:2022年11月22日,甘肃省农业农村厅印发《关于农机购置与应用补贴农业机械执行国四排放标准的公告》。

  【农机网 地方农机】根据生态环境部和国家市场监督管理总局于2020年12月联合发布的《非道路移动机械用柴油机排气污染物排放限值及测量方法(中国第三、四阶段)》(GB 20891-2014)修改单,及其配套技术规范《非道路柴油移动机械污染物排放控制技术要求》(HJ1014-2020)规定,自2022年12月1日起,所有生产、进口和销售的560kW以下非道路移动机械及其装用的柴油机应符合中国第四阶段排放标准要求(简称“国四”)。
 
  2022年11月22日,甘肃省农业农村厅印发《关于农机购置与应用补贴农业机械执行国四排放标准的公告》,明确“国三”农机产品补贴资质截止到2022年11月30日(含),自2022年12月1日(含)起,凡购置的柴油动力农业机械产品(以购机发票日期为准)应符合国家第四阶段排放标准,否则不能参与农机购置与应用补贴政策。为稳妥有序推进补贴申请办理,对2022年11月30日(含)前购置的符合政策规定的“国三”农机产品(以购机发票日期为准),补贴申请办理时限延长至2023年5月31日。因此,2023年打算购买农机的用户必须要掌握以下5个技术要点,才能运用好国四机:
 
  一是必须买国四标准的拖拉机,才能办理牌照和享受农机购机补贴政策,市场上原国三拖拉机已停止销售,无论从什么渠道购买都无法落籍,只能作为二手拖拉机交易转籍;
 
  二是必须注意使用上的区别,国四机最大的变化就是增加了32.5%的尿素溶液,要保证尿素液配比和品质,因为劣质尿素在使用过程中容易形成结晶,堵塞废气处理系统造成故障,尿素液位低于5%会限制发动机功率且不要兑水不要错加柴油,尿素箱盖是蓝色,柴油箱盖是黑色;
 
  三是学会使用排放后处理系统,严禁长时间怠速运转发动机,发动机熄火后九十秒内,不要断开拖拉机主开关,以便电子泵把尿素液反抽回液箱;
 
  四是必须按时维护保养,拖拉机使用第一个300小时建议进行一次手动强制再生,让后处理系统高温工作,分解灰质,去除有害杂质;
 
  五是使用正规厂家的柴油,若长时间存放设备需排空尿素箱。
 
 
       监制:宁彬审核:冯正睿编辑:赵岚
 
  供稿:酒泉市农机服务中心冯正睿赵岚
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