我的英语老师完整版
近日，山东一位63岁“硬核大爷”退休后在车库搞发明再次走红，引发不少网友点赞。据此前报道短短不到一年的时间，这位大爷又搞了多项环保发明，如今一共申请了8项专利，6项已经拿到专利证书。
“硬核大爷”拿下6项国家专利
“我这一年专心搞发明，又拿到了好几个专利，如今一共拿到6项国家专利啦！”9月20日，山东“硬核大爷”李其成告诉记者。
循环利用废热的热交换设备、太阳能热风发生设备、微燃料烘干设备、高效散热排烟管……在李其成的家里，摆着一摞国家专利证书，还有许多发明设计草图。
为了这些发明，63岁的李其成天天窝在家里的车库里，沉迷于搞研究。
山东退休大爷李其成展示他的6项国家专利证书
“年轻时候的梦想，我还想再试一试。”李其成是潍坊安丘人，曾经是一名专业英语老师，但他从小就对物理、化学等理工学科有着浓厚的兴趣。退休后，李其成又想起一直以来放在心底的个人心愿——年少时想专心搞发明。
“以前忙着教书，没有时间搞发明，现在退休了，也终于有了自己的时间。”李其成笑着说，虽然年龄大了，但是他感觉自己热情一点都不比年轻人少。
每天忙着画图、做实验、一项又一项新发明成功……年轻时的梦想使这位山东大爷的生活变得更加精彩。李其成在拉京胡、钓鱼、种菜、看孙子之余，把退休后的绝大部分时间都给了发明。
一遍遍失败，又一遍遍重新开始，这位老人遇到困难总也不肯放弃。发明过程中遇到想不通的问题，这位山东大爷就一头扎进自己做实验用的旧车库，翻阅各种书籍，尝试各种材料，为了找出解决方法，有时都忘记吃饭。
山东退休大爷和他发明的机器
就这样，功夫不负有心人，经过几年的反复试验，李其成终于拥有了多项自己的发明，并顺利拿到了多项国家专利证书。这之后，李其成信心倍增，仍在继续研究，争取再多搞几个发明。
“我终于拿到了6项国家专利，吃了不少苦，但是我非常开心。”李其成说，作为一名老年人，自己最大的希望就是，多为社会做点事，将来自己的发明能更多的应用到社会和生活中去，那样才更有意义。
多数发明与环保相关
“我对环保很关注，我的发明大多跟环保有关。”李其成说，在他心中，一直对环保非常热爱，一直想搞点发明，为环保世界做一点贡献。
“咱国家号召节能减排，我有些发明正是冲着节能去的。”李其成说，他热爱生活，也注重观察生活，因此他的很多发明创造都与日常生活生产中的环保、碳中和等内容息息相关。
“很多生产加工企业在排放废气的同时，将大量的热量随着废气的排放而浪费掉了，从而导致热能的大量损耗，使企业的运营成本居高不下，且对自然环境带来污染。”李其成感慨说，前几年，他一直想研发一种新型换热设备，把它应用到各行各业中，响应国家碳中和大方向，节省更多的热量。
李其成一遍遍绘制管道改良的图纸，买来制作材料一天天做试验。在他的努力下，一种散热效率更高、更节省燃烧成本的通热管道制作完成。
“我研究了好几年，总算成功了！”李其成高兴地告诉记者，经过努力，他独立研发的新型烘干换热设备终于出炉。他介绍说，利用该技术生产的汽气换热设备，能将排放在废汽中的热量，以洁净、干燥的形式分离出来，重复利用，降低了运营成本，从而也降低了对环境的污染。
“我这项技术生产的产品可广泛应用于很多地方！”李其成自豪地说，他的技术不但拿到了国家专利，还能应用于各行各业。不但可以应用于治金、锅炉、化工、铸造、电力等工业领域200-800度高温换热，还能应用于纺织、印染、造纸、污泥、食品加工等烘干行业80-120度的中温换热，另外，还可以应用于海产品、农产品、林产品、粮食药材、生物肥等脱水行业40-80度低温换热。
年轻创业者向他竖起大拇指
“这不到一年时间，有很多厂家找我谈合作，已经有四家正式达成合作关系了！”李其成笑着说，看着自己的发明成果终于能应用到现实生活中去，他感到非常欣慰。
“这一年全部的合作、转让等加起来，大约有五六十万元。”李其成说，他搞发明原本只是为了个人爱好，没想到这么多企业来找他合作，而退休后的发明，作为一种知识成果，还能带来了收益，这也是他没想到的。
“我只会谨慎选择靠谱的企业，那种能真的为社会和大家的生活做点贡献的才行。”李其成强调说，有的厂家生产的方向不靠谱，他想都没想直接拒绝了，目前达成合作的几个企业，都是经过了很久的考虑，才答应合作的。
山东大爷带着他的发明参加创业大赛，受到许多年轻人点赞
“最近我还参加了我们潍坊的创业大赛，想向优秀的年轻人学习，也想把我的发明推广出去。”李其成笑着说。
“创业大赛中不少年轻人还向我竖起大拇指点赞，说要多向老年人的拼搏劲头看齐！”李其成说，在今年潍坊市2022年创业大赛中，他身为63岁的退休老人，在创业中已算高龄，但是他仍积极参加大赛，尽自己最大的努力，展现一下老年人精神风貌。
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