The utility model discloses a solid ammonia preparation device for vehicle exhaust gas treatment, which comprises an ammonia-filled tank body and a rack for supporting the ammonia-filled tank body. The ammonia-filled tank body is rotationally connected with the rack, and one end of the ammonia-filled tank body is connected with a motor for driving the rotation of the ammonia-filled tank body; the other end of the ammonia-filled tank body is connected with an intake pipe. The inlet pipe is equipped with an air inlet valve, and the other end of the inlet pipe is connected with a liquid ammonia storage tank, and a pressure reducing valve is installed at the connection of the liquid ammonia storage tank and the inlet pipe; the middle part of the circumferential side of the ammonia-filled tank body is equipped with an opening, and the ammonia-filled tank body is equipped with a cover plate for the sealing opening, and the cover plate is equipped with an air outlet, and the air discharging is arranged. The outlet is connected with vent pipe and equipped with bleed valve. The utility model has the advantages of compact structure, safety and reliability, and the positive and negative transfer of the ammonia filling tank body, so that the ammonia absorbing material as the raw material is in a continuous motion state, the contact between the ammonia absorbing material and the ammonia is increased, the ammonia filling time is shortened, the stability of the solid ammonia and the ammonia content are improved.
【技术实现步骤摘要】
一种用于车辆尾气处理的固体氨制备装置
本技术属于废气处理
,具体涉及一种用于车辆尾气处理的固体氨制备装置。
技术介绍
随着我国汽车保有量不断增加,汽车排放的氮氧化物和颗粒物对人类健康及大气环境的危害已引起了高度的关注。据报道,世界各国都致力于减少这两项排放物的研究,就我国而言,已经实施的“国Ⅴ”排放标准意味着汽车尾气的排放必须采用更为先进的技术。车用尿素水溶液作为目前市场上主流的汽车尾气净化剂,其产品质量参差不齐,车用尿素水溶液分会2016年在全国范围内抽检74个厂家的108个批次车用尿素水溶液,总体合格率为31.5%,其中CGT单位共抽取11个单位34个批次的车用尿素水溶液,合格率为59.4%。另外,国家环保部组织的调查发现50%-60%的SCR系统都不喷射尿素水溶液,造假危害较大,因此国家环保部拟启动26+2城市的国四国五车辆的固体氨改造试点,国六排放标准修改稿中,已经列入固体氨的条款。车用尿素采用的是SCR系统,固体氨采用的是SSCR系统,固体氨SSCR系统最大的优势也在于低成本,固体氨SSCR系统释放的是氨气,与汽车尾气单相混合促进催化转化效率,且用氨量是传统SCR系统的18.5%,成本优势明显。此外,SSCR系统还拥有更长的续航里程,可以根据用户需求制定续航里程,在车辆保养时可以由服务站进行有偿更换,既能增加服务站的收入,又能提高在用车回访率,提高在用车保养水平,进而提高驾驶的安全性。由于SSCR是以固体氨作为还原剂,释放的是气体氨,因此,无需高速旋转的液体泵和高压雾化喷嘴,大大降低了系统故障率,也不会因为结晶、结冰堵塞喷嘴、管路,系统运行 ...
【技术保护点】
1.一种用于车辆尾气处理的固体氨制备装置,其特征在于:包括充氨罐体及用于支撑充氨罐体的机架,所述充氨罐体与机架为转动连接,充氨罐体的一端连接有用于驱动充氨罐体转动的电机;充氨罐体的另一端连接有进气管道,进气管道上安装有进气阀门,进气管道的另一端连接有液氨储罐,且液氨储罐与进气管道的连接处安装有减压阀;充氨罐体圆周侧面的中部设有料口,且充氨罐体上安装有用于封闭料口的盖板,盖板上设置有放气口,放气口处连接有放气管道,并安装有放气阀门。
【技术特征摘要】
1.一种用于车辆尾气处理的固体氨制备装置,其特征在于:包括充氨罐体及用于支撑充氨罐体的机架,所述充氨罐体与机架为转动连接,充氨罐体的一端连接有用于驱动充氨罐体转动的电机;充氨罐体的另一端连接有进气管道,进气管道上安装有进气阀门,进气管道的另一端连接有液氨储罐,且液氨储罐与进气管道的连接处安装有减压阀;充氨罐体圆周侧面的中部设有料口,且充氨罐体上安装有用于封闭料口的盖板,盖板上设置有放气口,放气口处连接有放气管道,并安装有放气阀门。2.根据权...
【专利技术属性】
技术研发人员:李丰登,孙长城,桑书梅,邓欢,刘凤仙,燕云莉,
申请(专利权)人:河南弘康环保科技有限公司,
类型:新型
国别省市:河南,41
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