推荐回答(2个)
职业名称:汽车加气站操作工
职业定义:操作压缩天然气(CNG)/液化石油气(LPG)加气站的设备,对汽车进行加气的人员。
从事的主要工作包括:(1)操作CNG/LPG压缩机;(2)操作净化装置,对天然气进行脱硫、脱水、过滤、分离;(3)测定天然气中的微量水及硫化氢含量;(4)接卸LPG汽车槽车;(5)对CNG/LPG汽车进行加气、计量;(6)维护工艺管道及阀件;(7)操作、保养顺序控制阀(盘);(8)操作、维护CNG/LPG储存装置;(9)LPG储罐放空;(10)使用、维护压力储罐;(11)对各种运行设备、仪器仪表进行保养和一般维修。
职业概况:
我国天然气和石油液化气资源十分丰富,随着我国西气东输天然气管线建成以及国家对石油安全和环境保护的需要,天然气和液化石油气作为一种清洁能源,已逐步成为了车用燃料的新型能源。以天然气、液化石油气作为燃料的汽车,已在全国各地得到了广泛的应用。
汽车加气站操作工,是专门为汽车充装加气的一个特殊职业。汽车在使用天然气或液化石油气作为燃料时,对这两种燃料是有特殊要求的。当把天然气作为汽车燃料使用时,必须将用作民用燃料的天然气在加气站内进行再“加工”,首先要将天然气进行严格的净化处理,脱除天然气的微量水、H2S和粉尘,使之达到汽车用天然气的标准后,再将天然气压缩到25-30Mpa或冷却到-162.5℃,储存在专用的高压或超低温容器中,天然气汽车必须到专门的加气站内充装符合车用标准的天然气或液化石油气作为车用燃料。汽车加气站操作工是一个能完成站内的天然气或液化石油气脱硫、脱水、压缩或冷却、加气计量等多岗位工作的一个职业。加气站的气体处理系统、压缩系统、储气系统、设备控制系统和售气系统等各岗位都有较高的技术含量,操作人员必须经过专业技能和安全培训才能进行操作。
国外燃气汽车技术发展较早,以欧美等发达国家为例,由于他们使用的设备较为先进,自动控制程度高,加上国外管输天然气质量比我国高,因此国外加气站的附属配置少,设备故障少,操作工人少,在我国天然气、液化石油气汽车技术只是近10年来才得到迅速的发展,相比之下,国产的加气设备,如天然气压缩机、脱硫、脱水设备、控制设备等均处于一种较底水平发展阶段,设备自动化水平较低,站内操作人员较多。
截止2003年,我国已有压缩天然气加气站310座,液化石油气站404座,液化天然气加气站1座;已改压缩天然气汽车85630辆,液化石油气汽车136000辆,液化天然气汽车30辆。全国的汽车加气站从业人员已达12万多人,到目前为止还没有统一的工作作业标准,给操作工作带来极大的不便,易造成安全事故。为了统一行业规范,达到安全、高效生产,使燃气汽车技术这一新兴产业得到健康、迅速发展,对汽车加气站操作工这一特殊行业职业应加以高度重视,加大职工队伍的建设和培训工作,提高他们的技能水平,使他们掌握汽车加气站操作的基本知识、专业知识和相关知识,掌握整个工艺流程的技术关键、技术难题和安全事故的处理方法。同时也能促进汽车加气站的管理水平、服务质量、安全生产和劳动保护工作,降低其人工成本,提高经济效益,从而提高在同行业中的竞争力。
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