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谭旭光:柴油机行业仍然大有可为

2019-2-14 09:37 | 来自:商用车新网 |原作者: 谭旭光

       一、柴油机在国民经济中的重要作用

       柴油机是人类历史进程中在动力方面最重要的发明之一。自诞生以来,历经一百多年的发展,柴油机在节能减排技术方面不断取得突破,是商用汽车、工程机械、农业机械、船舶、军用车辆等领域的主要动力源,占据着市场的主流地位。根据交通运输部《2017年交通运输行业发展统计公报》数据,以柴油机为主导动力的公路运输?#26800;?#20102;2017年我国客运总量的78.8%?#31361;?#36816;总量的78.0%,支撑着我国经济的高速发展。


       伴随着改革开放的进程,我国柴油机行业取得了长足的发展和进步。国内市场的车用柴油机销?#30475;?000年的63.11万台提升至2017年的357.52万台。柴油机行业通过自主技术创新,大踏步追赶国际先进水平,完成了从跟跑到并跑甚至领跑的转型。柴油机行业的技术进步,支撑了我国自主品牌商用车占据国内市场99%以上份额,将国际商用车巨头的产品挡在了国门之外,并实现了批量出口。

潍柴动力发动机生产线 


       二、柴油机产品所具有的不可替代性

       近年来,新能源技术的高速发展给柴油机行业带来?#21496;?#22823;压力,但必须认识到,新能源技术在未来很长一?#38382;奔?#20173;无法实现对柴油机的全面替代。

       柴油机广泛应用的领域普遍存在着整车整机连续工作?#22868;?#38271;、功?#24066;?#27714;大等特点。新能源受自身技术发展限制,目前仅能在特定的细分市场,如公交车、市政车辆、码头牵引车等领域取得广泛应用。

潍柴动力二号工厂一线员工 


       由于目前的锂电池能量密度不足,纯电动技术在重型商用车领域还难以推广应用。以总重49吨的重型牵引车为例,按照当前市场的?#23548;?#20351;用条件,如采用纯电动技术,则整车使用的锂电池电量需要达到3000度,即使按照国家规划目标,锂电池总重仍达到约11吨,成本约300万元,?#39029;?#30005;?#22868;?#24456;长,不具有实用价值。

       氢燃料电池技术被认为是重型商用车动力领域可能的技术发展方向,但目前氢的制备、运输、存储、加注?#28982;方?#38590;以支撑氢燃料电池的大?#23458;?#24191;使用。按照国?#26159;?#33021;组织的预估,到2050年燃料电池在重型商用车领域的占比不会超过20%。

潍柴动力智能化发动机生产线


       新能源技术的高速发展,客观上?#36129;?#26612;油机行业加快了技术升级和产品?#28142;?#24037;作。新能源和柴油机在很长一?#38382;奔?#20869;都将会是互为补充的关?#25285;?#20004;者之间并非是简单的零和博弈。

       三、柴油机在节能减排领域作用巨大

       柴油机技术的不断进步,使其已经在节能减排方面发挥了重要作用,且进一步实现节能减排的潜力巨大、技术的可实施性强。
【凡属本站原创文章,如转载请注明“来自:商用车新网”】

发布者: yangxk| 来自: 科技日报 |
【一周新?#25490;?#34892;】
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