CN114128719A - 一种增效型农药悬浮剂及其生产工艺 - Google Patents
一种增效型农药悬浮剂及其生产工艺 Download PDFInfo
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Abstract
本发明公开了一种增效型农药悬浮剂及其生产工艺。这种增效型农药悬浮剂,包括如下质量百分比的原料:氯虫苯甲酰胺5.0~15.0%,茚虫威5.0~15.0%,分散剂1.0~4.0%,润湿剂1.0~2.0%,增效剂2.0‑10.0%,防冻剂3.0~7.0%,消泡剂0.3~0.7%,增稠剂0.1~0.3%,膨润土2.0~4.0%和余量的去离子水。本发明设计合理,采用分子量为2000的萘磺酸盐作为分散剂,松香树酯为增效剂进行一步研磨法制得稳定的增效型氯虫苯甲酰胺茚虫威悬浮剂,使得制剂药效得到高效表达,在减少用量的情况下,防效依然理想。
Description
技术领域
本发明涉及农药技术领域,尤其是一种增效型农药悬浮剂及其生产工艺。
背景技术
农药是农业保产丰收的保证。全世界由于病、虫、草、鼠害而损失的农作 物收获量相当于潜在收获量的三分之一,如果一旦停止用药或严重的用药不当, 一年后将减少收成25~40%,两年后将减少40~60%以至绝产。
现有的氯虫苯甲酰胺茚虫威悬浮剂因为采用环保型的水悬浮剂,载体为水, 润湿,渗透,粘着能力较差,药液与作物及虫体的相溶性较差,最终表现为防 治效果不理想,且造成环境污染,为觖决这一痛点,我们通过大量配方改进, 采用分子量为2000的萘磺酸盐作为分散剂,松香树酯为增效剂进行一步研磨法 制得稳定的增效型氯虫苯甲酰胺茚虫威悬浮剂,大大提高了药剂的利用率,符 合国家增效减量的政策要求。
发明内容
本发明要解决的技术问题是:克服现有技术的不足,提供一种增效型 农药悬浮剂及其生产工艺。
本发明解决其技术问题所采用的技术方案是:一种增效型农药悬浮 剂,具有如下质量百分比的原料:
进一步地,所述增效型农药悬浮剂具有如下质量百分比的原料:
进一步地,所述分散剂是分子量为2000的萘磺酸盐,润湿剂为十二烷基苯 磺酸钠,增效剂为松香树酯,防冻剂为乙二醇,消泡剂为有机硅,增稠剂为黄 原胶。
一种增效型农药悬浮剂的生产工艺,具有如下步骤:
(1)、根据上述的质量百分比称取原料;
(2)、将称取的原料投入高剪切分散机,进行预分散工序,制得分散液;
(3)、开启高剪切分散机底阀,开启浓浆泵,将分散液转入分散液中 间槽;
(4)、开启分散液中间槽底阀,将分散液转入砂磨机,开启砂磨机冷 却循环水,砂磨机进行粗研磨,调节进料速度,调节主轴速度,制得粗砂 磨液;
(5)、砂磨机完成后,打开研磨机,粗砂磨液转入砂磨液中间槽;
(6)、开启砂磨液中间槽底阀,开启浓浆泵,将粗砂磨液转入分散液 中间槽;
(7)、开启分散液中间槽底阀,将粗砂磨液转入砂磨机,开启砂磨机 冷却循环水,砂磨机进行精研磨,调节进料速度,调节主轴速度,制得精 砂磨液;
(8)、精砂磨液装桶待检入库。
进一步地,所述步骤(2)中分散机分散转速为2800转/分钟,预分散时间 为20分钟。
进一步地,所述步骤(4)粗研磨中,进料速度为300~350kg/分钟,主 轴速度为20~30转/分钟。
进一步地,所述步骤(7)精研磨中,进料速度为150~200kg/分钟,主 轴速度为30~40转/分钟。
本发明的有益效果是:本发明设计合理,采用分子量为2000的萘磺酸 盐作为分散剂,松香树酯为增效剂进行一步研磨法制得稳定的增效型氯虫苯甲 酰胺茚虫威悬浮剂,使得制剂药效得到高效表达,在减少用量的情况下,防效 依然理想。
具体实施方式
现在结合实施例对本发明作进一步的说明。
实施例1
一种增效型农药悬浮剂,具有如下质量百分比的原料:
分散剂采用HDB-382,外观:疏松粉末、不结块、无明显机械杂质。
润湿剂十二烷基苯磺酸钠,外观:白色粉末、疏松、不结块、无明显机械 杂质。
增效剂松香树酯,外观:黄色粘稠状液体,有松油味道,质量百分数≥96%。
防冻剂乙二醇,外观:无色粘稠状液体,质量百分数≥98%。
消泡剂有机硅,外观:乳白色液体,pH6.0~8.0。
增稠剂黄原胶,外观:浅黄褐色粉末,pH6.5~8.0,粒度:60~80目。
稳定剂膨润土,外观:呈类白色粉末,PH6.5~8.0,细度:220目99%通过。
通过以上组合得到优异稳定的制剂配方。
一种农药悬浮剂的生产工艺,具有如下步骤:
(1)、根据是上述的质量百分比称取原料;
(2)、将称取的原料分次投入高剪切分散机,进行预分散工序,制得分散 液;每次投入量为500L;分散机分散转速为2800转/分钟,预分散时间为20 分钟;
(3)、开启高剪切分散机底阀,开启浓浆泵,将分散液转入分散液中 间槽;该步骤除了确保砂磨腔体内压力稳定上,有利于砂磨物料的连续性 和均匀性;还有利于降低物料温度,降低冷冻机组工作压力;
(4)、开启分散液中间槽底阀,将分散液转入砂磨机,开启砂磨机冷 却循环水,砂磨机进行粗研磨,调节进料速度,调节主轴速度,制得粗砂 磨液;进料速度为300~350kg/分钟,主轴速度为20~30转/分钟;
(5)、砂磨机完成后,打开研磨机,粗砂磨液转入砂磨液中间槽;该 步骤除了确保砂磨腔体内压力稳定上,有利于砂磨物料的连续性和均匀性; 还有利于降低物料温度,降低冷冻机组工作压力;
(6)、开启砂磨液中间槽底阀,开启浓浆泵,将粗砂磨液转入分散液 中间槽;
(7)、开启分散液中间槽底阀,将粗砂磨液转入砂磨机,开启砂磨机 冷却循环水,砂磨机进行精研磨,调节进料速度,调节主轴速度,制得精 砂磨液;进料速度为150~200kg/分钟,主轴速度为30~40转/分钟;该步 骤中采用分子量2000的萘磺酸盐作为分散剂,松香树酯为增效剂,通过一步研 磨法,提高了生产效率,为悬浮剂增效提供了一条新的路径;
(8)、精砂磨液装桶待检入库。
本实施例制得的农药悬浮剂可以兑水喷雾,也可以适用于飞防。防治 水稻稻纵卷叶螟亩用10克即可达到优异防效。
实施例2
一种农药悬浮剂,具有如下质量百分比的原料:
实施例3
一种农药悬浮剂,具有如下质量百分比的原料:
实施例1与不含增效剂的制剂对抗性稻纵卷叶螟防治效果,如表1所示。 试验地点:盐城市水稻稻纵卷叶螟高抗地区。
表1实施例1与不含增效剂的制剂对抗性稻纵卷叶螟防治效果
从表1的防治结果中可以看出,本发明增效型的制剂在亩用量10克/亩, 15克/亩对抗性稻纵卷叶螟无论在药后七天还是药后14天校正防效均达到90% 以上,效果非常理想,而不含增效剂的相同含量制剂在亩用量10克,15克,20 克药后七天和药后14天校正防效均达未到90%,仅30克/亩用量的情况下防效 才达到90%以上,由此可见,本发明在增效的同时,可将用药量可降低50%以上, 依然可取得优异防效,应该作为创新性成果迅速转化,在稻纵卷叶螟抗性地区 作为重要治理工具。
以上述依据本发明的理想实施例为启示,通过上述的说明内容,相关工作 人员完全可以在不偏离本项发明技术思想的范围内,进行多样的变更以及修改。 本项发明的技术性范围并不局限于说明书上的内容,必须要根据权利要求范围 来确定其技术性范围。
Claims (7)
3.根据权利要求1所述的增效型农药悬浮剂,其特征在于:所述分散剂是分子量为2000的萘磺酸盐,润湿剂为十二烷基苯磺酸钠,增效剂为松香树酯,防冻剂为乙二醇,消泡剂为有机硅,增稠剂为黄原胶。
4.一种如权利要求1~3任一项所述增效型农药悬浮剂的生产工艺,其特征在于:具有如下步骤:
(1)、根据权利要求1所述的质量百分比称取原料;
(2)、将称取的原料投入高剪切分散机,进行预分散工序,制得分散液;
(3)、开启高剪切分散机底阀,开启浓浆泵,将分散液转入分散液中间槽;
(4)、开启分散液中间槽底阀,将分散液转入砂磨机,开启砂磨机冷却循环水,砂磨机进行粗研磨,调节进料速度,调节主轴速度,制得粗砂磨液;
(5)、砂磨机完成后,打开研磨机,粗砂磨液转入砂磨液中间槽;
(6)、开启砂磨液中间槽底阀,开启浓浆泵,将粗砂磨液转入分散液中间槽;
(7)、开启分散液中间槽底阀,将粗砂磨液转入砂磨机,开启砂磨机冷却循环水,砂磨机进行精研磨,调节进料速度,调节主轴速度,制得精砂磨液;
(8)、精砂磨液装桶待检入库。
5.根据权利要求4所述的增效型农药悬浮剂的生产工艺,其特征在于:所述步骤(2)中分散机分散转速为2800转/分钟,预分散时间为20分钟。
6.根据权利要求4所述的增效型农药悬浮剂的生产工艺,其特征在于:所述步骤(4)粗研磨中,进料速度为300~350kg/分钟,主轴速度为20~30转/分钟。
7.根据权利要求4所述的增效型农药悬浮剂的生产工艺,其特征在于:所述步骤(7)精研磨中,进料速度为150~200kg/分钟,主轴速度为30~40转/分钟。
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