详细介绍: 尼龙斜齿轮产品细节图片
          20世纪80年代,相容剂技术开发成功,推动了PA合金的发展,世界各国相继开发出PA/PE、PA/PP、PA/ABS、PA/PC、PA/PBT、PA/PET、PA/PPO、PA/PPS、PA/I.CP(液晶高分子)、PA/PA等上千种合金,广泛用于汽车、机车、电子、电气械、纺织、体育用品、办公用品、家电部件等行业。           锦纶纤维表面平整,不加油剂的纤维摩擦系数很高,锦纶油剂贮存日久易失效,纺织加工时还需要重新添加油剂。 锦纶纤维的吸湿比涤纶高,锦纶6与锦纶66在标准条件下的回潮率为4.5%,在合纤中仅次于维纶。染色性能好,可用酸性染料, 分散性染料及其他染料染色。            尼龙斜齿轮产品细节图片过去只重视钻井液的处理,而忽略了对钻屑的处理,钻屑直接排入泥浆池中。每口井都需要1个泥浆池,泥浆池的面积超过 500m2。通过对湿钻屑在线处理后,可分为滤液和干钻屑,滤液返回钻井液体系,干钻屑装于储运箱中,集中处理,并再生利用。通过钻屑在线处理工艺可以使钻屑和废钻井液在钻井现场不落地,充分回收可用钻井液,而且省去了泥浆池,具有明显的经济效益和巨大的社会效益。                    聚酰胺(PA,俗称尼龙)是美国DuPont公司最先开发用于纤维的树脂,于1939年实现工业化。20世纪50年代开始开发和生产注塑制品,以取代金属满足下游工业制品轻量化、降低成本的要求。聚酰胺主链上含有许多重复的酰胺基,用作塑料时称尼龙,用作合成纤维时我们称为锦纶,聚酰胺可由二元胺和二元酸制取,也可以用ω-氨基酸或环内酰胺来合成。根据二元胺和二元酸或氨基酸中含有碳原子数的不同,可制得多种不同的聚酰胺,目前聚酰胺品种多达几十种,其中以聚酰胺-6、聚酰胺-66和聚酰胺-610的应用最广泛。                    尼龙斜齿轮产品细节图片在注水井内下封隔器把油层分隔开几个注水层段。下配水器,安装不同直径的水嘴的注水工艺叫分层配注。为了解决层间的矛盾,把注水合理地分配到各层段,保持地层压力,对渗透性好,吸水能力强的层控制注水;对渗透性差、吸水能力弱的层加强注水。使高、中、低、渗透性的地层都能发挥注水的作用,实现油田长期高产稳产,提高最终采收率。                             
钻井液沉降式离心机的结构示意如图所示。离心机的转鼓5两端支承在滚动轴承上,输送固相的螺旋输送器6与转鼓之间留有微量间隙,并用行星差速器7使二者维持一定的转差。电动机通过V形胶带3带动转鼓和螺旋输送器。电机与转鼓之间装有液力联轴器2,加料管4装在转鼓的大端,行星差速器一端装有过载保护装置。 尼龙斜齿轮产品细节图片 |