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src="https://img.mybjx.net/theme/default/images/app/bjxxs.png" alt="" /><div class="txt"><h5>北极星学社</h5><p>50万电力、环保人升职加薪利器，立即加入</p></div></a></div><div class="bjxsq-circle-subs"><div class="box"><div class="leftcol" data-showkefu="" data-phone=""><ol><li class="active"><a href="/forum-95.html">全部</a></li><li class="active"><a href="/forum-95.html">全部</a></li><li class=""><a href="/forum-95.html?sort=2">热帖</a></li><li class=""><a href="/forum-95.html?best=1">精华</a></li><li class=""><a href="/forum-95.html?type=3">问答</a></li><li class=""><a href="/forum-95.html?type=2">资料</a></li></ol><div class="body"><div class="tips"><span class=""><b class="iconfont iconziliaotie"></b><a href="/forum-95.html?type=2">资料帖</a></span><span class=""><b class="iconfont icontiwentaoluntie"></b><a href="/forum-95.html?type=3">提问/讨论</a></span></div> <div class="cell current"> <div class="img"><a href="/thread-268807052.html" target="_blank" title="人工智能（DeepSeek）：如何帮助电力公司降低运营成本"><img src="https://img01.mybjx.net/club/thread/image/20250305/3e10c4201c0000a.png" alt="" /></a></div><div class="h1"><a href="/thread-268807052.html" target="_blank" title="人工智能（DeepSeek）：如何帮助电力公司降低运营成本" class="shorttit">人工智能（DeepSeek）：如何帮助电力公司降低运营成本</a><i class="iconfont iconreduzhi">15</i><b>精</b> <b class="blue">置顶</b> </div><p class="clamptxts">在电力行业，运营成本的控制是企业提升竞争力和盈利能力的关键。DeepSeek可以通过多种方式帮助电力公司优化运营流程、提高效率、降低能耗和减少人力成本，从而实现降本增效。①智能巡检与设备健康管理电力设备的巡检和维护是运营成本的重要组成部分。传统的人工巡检不仅效率低下，还容易出现漏检或误判的情况。DeepSeek通过以下方式优化这一流程：无人机巡检与AI图像识别DeepSeek结合无人机技术</p><div class="infor"><ul><li><b class="iconfont iconreduzhi"></b>15</li><li><b class="iconfont iconliulan"></b>264<span>次浏览</span></li><li><b class="iconfont iconpinglun"></b>0<span>人跟帖</span></li></ul><div class="logo"><a href="/users/2002244170/" target="_blank" class="otherindex"><img src="https://static.bjx.com.cn/head/default-user-image.jpg" alt="" /></a></div><i><a href="/users/2002244170/" target="_blank" class="otherindex">北极星储能班长</a></i><span>前天</span><div class="add-friend " data-uid="2002244170">关注</div></div></div><div class="cell current"> <div class="img"><a href="/thread-268802867.html" target="_blank" title="如何下载北极星资料？（必读）"><img src="https://img01.mybjx.net/club/thread/image/20240529/3e0affb2000000a.png" alt="" /></a></div><div class="h1"><a href="/thread-268802867.html" target="_blank" title="如何下载北极星资料？（必读）" class="shorttit">如何下载北极星资料？（必读）</a><i class="iconfont iconreduzhi">1729</i> <b class="blue">置顶</b> </div><p class="clamptxts">相信已经有细心的小伙伴发现了最近北极星学社上传了一大批的资料（点击此处进入资料库）我们的目标是1.上传1万份光伏资料2.上传1万份风电资料3.上传1万份火电资料4.上传1万份储能资料近期有小伙伴问，如何下载和寻找资料？第一步，进入北极星首页后点击资料第二步：在红框内选择你想要的资料方向，例如选择光伏我们选择光伏标签后可以看到三个分类【免费资料】这个里面的资料全部都是0</p><div class="infor"><ul><li><b class="iconfont iconreduzhi"></b>1729</li><li><b class="iconfont iconliulan"></b>34599<span>次浏览</span></li><li><b class="iconfont iconpinglun"></b>98<span>人跟帖</span></li></ul><div class="logo"><a href="/users/2002326526/" target="_blank" class="otherindex"><img src="https://static.bjx.com.cn/head/default-user-image.jpg" alt="" /></a></div><i><a href="/users/2002326526/" target="_blank" class="otherindex">北极星小狼</a></i><span>2024年05月29日</span><div class="add-friend " data-uid="2002326526">关注</div></div></div><div class="cell current"> <div class="img"><a href="/thread-268806591.html" target="_blank" title="加入圈子送豪礼，手慢无！（必读）"><img src="https://img01.mybjx.net/club/thread/image/20250123/3e0fec919400002.png" alt="" /></a></div><div class="h1"><a href="/thread-268806591.html" target="_blank" title="加入圈子送豪礼，手慢无！（必读）" class="shorttit">加入圈子送豪礼，手慢无！（必读）</a><i class="iconfont iconreduzhi">79</i><b>精</b> <b class="blue">置顶</b> </div><p class="clamptxts">各位北极星小伙伴，随着资料上传，北极星推出了《北极星社区积分获取办法（点击阅读）》其中指出，发帖回帖都可以获取积分，并且获取速度很快。但是经过用户反馈，有的用户真的很忙，所以很难发帖回帖，但是还想获取积分。为此，北极星推出了定期活动，加入圈子抽豪礼！从实体数据到社区积分，从手机话费到风电模型，应有尽有！对的，只要你加入圈子，什么都不用做，我们就会定期抽取幸运儿！那么如何加入圈子</p><div class="infor"><ul><li><b class="iconfont 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class="clamptxts">各位小伙伴，随着北极星社区上传8000份资料后，总有用户反馈积分不够用为此，社区开启【你发话题，我给积分】活动分享你的电力日常，或者提出自己的疑问，就有机会获得100~1000积分，上不封顶！【活动时间】2月28日~3月30日【活动方式】发帖分享内容【活动奖励】抽取100名用户获得100积分，抽取10名用户获得1000积分好了各位，一展身手的时候到了！</p><div class="infor"><ul><li><b class="iconfont iconreduzhi"></b>18</li><li><b class="iconfont iconliulan"></b>838<span>次浏览</span></li><li><b class="iconfont iconpinglun"></b>0<span>人跟帖</span></li></ul><div class="logo"><a href="/users/2002326526/" target="_blank" class="otherindex"><img src="https://static.bjx.com.cn/head/default-user-image.jpg" alt="" /></a></div><i><a href="/users/2002326526/" target="_blank" class="otherindex">北极星小狼</a></i><span>02月28日</span><div class="add-friend " data-uid="2002326526">关注</div></div></div><div class="cell current"> <div class="img"><a href="/thread-268806787.html" target="_blank" title="🔥【重要通知】北极星社群升级！限时开放加入！"><img src="https://img01.mybjx.net/club/thread/image/20250218/3e1073d71c00034.png" alt="" /></a></div><div class="h1"><a href="/thread-268806787.html" target="_blank" title="🔥【重要通知】北极星社群升级！限时开放加入！" class="shorttit">🔥【重要通知】北极星社群升级！限时开放加入！</a><i class="iconfont iconreduzhi">90</i><b>精</b> <b class="blue">置顶</b> </div><p class="clamptxts">为打造更紧密的交流圈，北极星官方社群已开放！⭐为什么加入：每日精选行业快报，拒绝信息过载定期「热门会议」直播，免费提问互动行业技术实时探讨，快速解决问题配套学习资料，行业课程免费学⭐如何加入：方式1：点击新能源电力交流公众号，选择-交流圈子-社群-添加老师-备注“论坛+行业昵称”后邀请进入交流群方式2：扫码直达👇（限前500名，入群私聊群主可解锁社群进群礼包）</p><div class="infor"><ul><li><b class="iconfont iconreduzhi"></b>90</li><li><b class="iconfont iconliulan"></b>2249<span>次浏览</span></li><li><b class="iconfont iconpinglun"></b>4<span>人跟帖</span></li></ul><div class="logo"><a href="/users/2002244170/" target="_blank" class="otherindex"><img src="https://static.bjx.com.cn/head/default-user-image.jpg" alt="" /></a></div><i><a href="/users/2002244170/" target="_blank" class="otherindex">北极星储能班长</a></i><span>02月18日</span><div class="add-friend " data-uid="2002244170">关注</div></div></div><div class="cell current"> <div class="img"><a href="/thread-268806133.html" target="_blank" title="北极星社群成立，数万资料等你来拿"><img src="https://img01.mybjx.net/club/thread/image/20241210/3e0f04c07800002.png" alt="" /></a></div><div class="h1"><a href="/thread-268806133.html" target="_blank" title="北极星社群成立，数万资料等你来拿" class="shorttit">北极星社群成立，数万资料等你来拿</a><i class="iconfont iconreduzhi">699</i> <b class="blue">置顶</b> </div><p class="clamptxts">各位北极星用户，大家好！因为最近上传很多资料，很多用户私信问小狼，有没有XX资料，如何解决XX问题等。小狼努力一一作答，无奈分身乏术，所以下定决心成立官方社群!让大家能够及时互相交流，并且对于社区最新福利有及时了解。目前成立了光伏群和风电群，扫码即可加群哦！</p><div class="topics"><a href="/topic-8.html" target="_blank">最美工作瞬间</a><a href="/topic-6.html" target="_blank">劳动最光荣，晒出你的最美工作照</a><a href="/topic-4.html" target="_blank">电厂工作中对你帮助最大的书</a></div><div class="infor"><ul><li><b class="iconfont iconreduzhi"></b>699</li><li><b class="iconfont iconliulan"></b>12163<span>次浏览</span></li><li><b class="iconfont iconpinglun"></b>34<span>人跟帖</span></li></ul><div class="logo"><a href="/users/2002326526/" target="_blank" class="otherindex"><img src="https://static.bjx.com.cn/head/default-user-image.jpg" alt="" /></a></div><i><a href="/users/2002326526/" target="_blank" class="otherindex">北极星小狼</a></i><span>2024年12月10日</span><div class="add-friend " data-uid="2002326526">关注</div></div></div><div class="cell "> <div class="h1"><u>[提问/讨论]</u><a href="/thread-268805515.html" target="_blank" title="佬们！为啥要比3000转多一点点那" class="">佬们！为啥要比3000转多一点点那</a><i class="iconfont iconreduzhi">174</i> </div><p class="clamptxts">大佬们，为啥发电汽轮机同期并网时要转速超过3000转一点点啊</p><div class="infor"><ul><li><b class="iconfont iconreduzhi"></b>174</li><li><b class="iconfont iconliulan"></b>2761<span>次浏览</span></li><li><b class="iconfont iconpinglun"></b>5<span>人跟帖</span></li></ul><div class="logo"><a href="/users/2001988935/" target="_blank" class="otherindex"><img src="https://static.bjx.com.cn/default-user-image.jpg" alt="" /></a></div><i><a href="/users/2001988935/" target="_blank" class="otherindex">星友2617</a></i><span>2024年10月10日</span><div class="add-friend " data-uid="2001988935">关注</div></div></div><div class="cell current"> <div class="img"><a href="/thread-268798870.html" target="_blank" title="焊接金属波纹管的弹率怎样计算？"><img src="https://img01.mybjx.net/club/thread/image/20240123/3e086058480000e.png" alt="" /></a></div><div class="h1"><a href="/thread-268798870.html" target="_blank" title="焊接金属波纹管的弹率怎样计算？" class="shorttit">焊接金属波纹管的弹率怎样计算？</a><i class="iconfont iconreduzhi">114</i> </div><p class="clamptxts">由于这种密封不用弹簧，弹性力完全由波纹管产生，因此波纹管设计时要考虑其弹率。一般将波纹管的弹率设计得小些，当要求一定的弹力时，波纹管的压缩量就要适当地加大。运转相当长时间后，如果密封端面磨损，波纹管自动补偿，而弹力降低不会大，始终保持密封端面有足够的压比。为保证足够的弹力，压缩量在10mm左右。最低不能低于6mm。工作时每个波的变形以小为宜，为保证一定的压缩量，要适当增加波数，保持波距。一般波数取</p><div class="infor"><ul><li><b class="iconfont iconreduzhi"></b>114</li><li><b class="iconfont iconliulan"></b>3842<span>次浏览</span></li><li><b class="iconfont iconpinglun"></b>2<span>人跟帖</span></li></ul><div class="logo"><a href="/users/2002366365/" target="_blank" class="otherindex"><img src="https://static.bjx.com.cn/user-head-img/20231024/08391675_973096.jpeg" alt="" /></a></div><i><a href="/users/2002366365/" target="_blank" class="otherindex">隽铭(河北)机械</a></i><span>2024年01月23日</span><div class="add-friend " data-uid="2002366365">关注</div></div></div><div class="cell current"> <div class="img"><a href="/thread-268795983.html" target="_blank" title="钎焊的组合式密封环结构怎样"><img src="https://img01.mybjx.net/club/thread/image/20231214/3e078de3b000002.jpg" alt="" /></a></div><div class="h1"><a href="/thread-268795983.html" target="_blank" title="钎焊的组合式密封环结构怎样" class="shorttit">钎焊的组合式密封环结构怎样</a><i class="iconfont iconreduzhi">107</i> </div><p class="clamptxts">为保持碳化钨的优良性能，克服热装密封环变形和松脱的缺陷，出现了钎焊的密封环。图25为这种环的结构。在环座上开坡口，用一种低熔点焊料，在环和座之间施焊，焊料熔化后将环和座联接在一起，并实现两者之间的密封。这种密封环的突出优点是硬质合金环不变形。一方面环和座之间的配合面上无挤压应力；另一方面采用激光焊接，热量高度集中在焊料处，加热时间短，环和座几乎不被加热，更不可能在熔化的情况下完成焊接。焊料塑性很好</p><div class="infor"><ul><li><b class="iconfont iconreduzhi"></b>107</li><li><b class="iconfont iconliulan"></b>4259<span>次浏览</span></li><li><b class="iconfont iconpinglun"></b>3<span>人跟帖</span></li></ul><div class="logo"><a href="/users/2002366365/" target="_blank" class="otherindex"><img src="https://static.bjx.com.cn/user-head-img/20231024/08391675_973096.jpeg" alt="" /></a></div><i><a href="/users/2002366365/" target="_blank" class="otherindex">隽铭(河北)机械</a></i><span>2023年12月14日</span><div class="add-friend " data-uid="2002366365">关注</div></div></div><div class="cell current"> <div class="img"><a href="/thread-268795963.html" target="_blank" title="中国石油化工股份：斥资约3553万港元回购921.4万股"><img src="https://img01.mybjx.net/club/thread/image/20231213/3e0788a2a80000a.png" alt="" /></a></div><div class="h1"><a href="/thread-268795963.html" target="_blank" title="中国石油化工股份：斥资约3553万港元回购921.4万股" class="shorttit">中国石油化工股份：斥资约3553万港元回购921.4万股</a><i class="iconfont iconreduzhi">5</i> </div><p class="clamptxts">财联社12月12日电，中国石油化工股份(00386.HK)发布公告，当日斥资约3553万港元回购921.4万股股份，每股回购价格为3.81-3.87港元。</p><div class="infor"><ul><li><b class="iconfont iconreduzhi"></b>5</li><li><b class="iconfont iconliulan"></b>3072<span>次浏览</span></li><li><b class="iconfont iconpinglun"></b>1<span>人跟帖</span></li></ul><div class="logo"><a href="/users/2002326526/" target="_blank" class="otherindex"><img src="https://static.bjx.com.cn/head/default-user-image.jpg" alt="" /></a></div><i><a href="/users/2002326526/" target="_blank" class="otherindex">北极星小狼</a></i><span>2023年12月13日</span><div class="add-friend " data-uid="2002326526">关注</div></div></div><div class="cell current"> <div class="img"><a href="/thread-268795958.html" target="_blank" title="焊接的组合式密封环有哪些特点"><img src="https://img01.mybjx.net/club/thread/image/20231213/3e0788a17c00002.jpg" alt="" /></a></div><div class="h1"><a href="/thread-268795958.html" target="_blank" title="焊接的组合式密封环有哪些特点" class="shorttit">焊接的组合式密封环有哪些特点</a><i class="iconfont iconreduzhi">111</i> </div><p class="clamptxts">为克服热装式密封环松脱的缺陷，出现了焊接的密封环（图24）。所用的硬质合金是以Cr3C2为硬质相、Ni为粘结相的烧结合金材料。耐腐蚀优于YG6等硬质合金，高温下具有优异的抗氧化性能，在1000℃空气中加热2小时无任何变化。但是导热性能较差，仅为YG6的1/3；线膨胀系数大，比YG6大1倍多，为10.2x10-6/℃（10~500℃时）。这两点决定了耐热冲击性能不如YG6好。正因为线膨胀系数较大，和</p><div class="infor"><ul><li><b class="iconfont iconreduzhi"></b>111</li><li><b class="iconfont iconliulan"></b>3498<span>次浏览</span></li><li><b class="iconfont iconpinglun"></b>2<span>人跟帖</span></li></ul><div class="logo"><a href="/users/2002366365/" target="_blank" class="otherindex"><img src="https://static.bjx.com.cn/user-head-img/20231024/08391675_973096.jpeg" alt="" /></a></div><i><a href="/users/2002366365/" target="_blank" class="otherindex">隽铭(河北)机械</a></i><span>2023年12月13日</span><div class="add-friend " data-uid="2002366365">关注</div></div></div><div class="cell current"> <div class="img"><a href="/thread-268795836.html" target="_blank" title="机械密封动环有几种？各有何特点？"><img src="https://img01.mybjx.net/club/thread/image/20231207/3e0768fd9400014.png" alt="" /></a></div><div class="h1"><a href="/thread-268795836.html" target="_blank" title="机械密封动环有几种？各有何特点？" class="shorttit">机械密封动环有几种？各有何特点？</a><i class="iconfont iconreduzhi">263</i> </div><p class="clamptxts">动环可分为非补偿型和补偿型两种。在静止型机械密封中，采用非补偿型动环，这种动环紧固在轴上（图17），有的用轴套压紧在轴上（图3），显然，这类动环不能浮动。补偿型动环广泛地应用于旋转型机械密封中。密封端面磨损后，动环在弹力作用下，自动补偿，动环和轴套的密封方式靠辅助密封圈实现。目前，动环在结构上的差异很大，根据动环和轴套的密封方法可归纳为三大类：辅助密封圈轴向安装的动环、辅助密封圈径向安装的动环和</p><div class="infor"><ul><li><b class="iconfont iconreduzhi"></b>263</li><li><b class="iconfont iconliulan"></b>4108<span>次浏览</span></li><li><b class="iconfont iconpinglun"></b>4<span>人跟帖</span></li></ul><div class="logo"><a href="/users/2002366365/" target="_blank" class="otherindex"><img src="https://static.bjx.com.cn/user-head-img/20231024/08391675_973096.jpeg" alt="" /></a></div><i><a href="/users/2002366365/" target="_blank" class="otherindex">隽铭(河北)机械</a></i><span>2023年12月07日</span><div class="add-friend " data-uid="2002366365">关注</div></div></div><div class="cell "> <div class="h1"><u>[提问/讨论]</u><a href="/thread-268788111.html" target="_blank" title="现在的小火电机组出路" class="">现在的小火电机组出路</a><i class="iconfont iconreduzhi">55</i> </div><p class="clamptxts">国家管控能耗，小火电机组出路只能是关停吗？</p><div class="infor"><ul><li><b class="iconfont iconreduzhi"></b>55</li><li><b class="iconfont iconliulan"></b>3808<span>次浏览</span></li><li><b class="iconfont iconpinglun"></b>2<span>人跟帖</span></li></ul><div class="logo"><a href="/users/1004862337/" target="_blank" class="otherindex"><img src="https://static.bjx.com.cn/user-head-img/appfile/20170928/2017092816321330976436.JPEG" alt="" /></a></div><i><a href="/users/1004862337/" target="_blank" class="otherindex">星友8717</a></i><span>2023年11月06日</span><div class="add-friend " data-uid="1004862337">关注</div></div></div><div class="cell current"> <div class="img"><a href="/thread-268787943.html" target="_blank" title="补偿机构除了用弹簧外，还有什么机构？"><img src="https://img01.mybjx.net/webupload/image/20231030/3e06a2197800004.jpg" alt="" /></a></div><div class="h1"><a href="/thread-268787943.html" target="_blank" title="补偿机构除了用弹簧外，还有什么机构？" class="shorttit">补偿机构除了用弹簧外，还有什么机构？</a><i class="iconfont iconreduzhi">84</i> </div><p class="clamptxts">补偿机构的作用是使密封端面紧密贴合，为达到此目的，采用的方法有两种，一是弹性力，二是磁力。只有在系统内压力较低时采用磁力机械密封（图7），大多数都用前者。除了用弹簧形成弹性力外还有用波纹管的，称为波纹管式机械密封。波纹管的材料可用橡胶、聚四氟乙烯（图8a）和焊接的金属薄片等（图8b）。</p><div class="infor"><ul><li><b class="iconfont iconreduzhi"></b>84</li><li><b class="iconfont iconliulan"></b>3176<span>次浏览</span></li><li><b class="iconfont iconpinglun"></b>2<span>人跟帖</span></li></ul><div class="logo"><a href="/users/2002366365/" target="_blank" class="otherindex"><img src="https://static.bjx.com.cn/user-head-img/20231024/08391675_973096.jpeg" alt="" /></a></div><i><a href="/users/2002366365/" target="_blank" class="otherindex">隽铭(河北)机械</a></i><span>2023年10月30日</span><div class="add-friend " data-uid="2002366365">关注</div></div></div><div class="cell current"> <div class="img"><a href="/thread-268787907.html" target="_blank" title="多弹簧和单弹簧机械密封有什么区别？"><img src="https://img01.mybjx.net/webupload/image/20231030/3e06a0987800002.jpg" alt="" /></a></div><div class="h1"><a href="/thread-268787907.html" target="_blank" title="多弹簧和单弹簧机械密封有什么区别？" class="shorttit">多弹簧和单弹簧机械密封有什么区别？</a><i class="iconfont iconreduzhi">42</i> </div><p class="clamptxts">按补偿机构中弹簧的数量可分为多弹簧和单弹簧机械密封。补偿机构中有多个弹簧的密封称为多弹簧机械密封（图5）；补偿机构中只有一个弹簧的机械密封称为单弹簧机械密封（图6）。多弹簧机械密封又称小弹簧机械密封，这种结构轴向尺寸较小，可用改变弹簧数量的方法改变弹性力，轴向力较均匀，适用于高速机械密封，在腐蚀性介质中不宜采用。单弹簧机械密封又称大弹簧机械密封，密封结构较为简单。有的密封型式还用弹簧传递扭矩。国产</p><div class="infor"><ul><li><b class="iconfont iconreduzhi"></b>42</li><li><b class="iconfont iconliulan"></b>3299<span>次浏览</span></li><li><b class="iconfont iconpinglun"></b>2<span>人跟帖</span></li></ul><div class="logo"><a href="/users/2002366365/" target="_blank" class="otherindex"><img src="https://static.bjx.com.cn/user-head-img/20231024/08391675_973096.jpeg" alt="" /></a></div><i><a href="/users/2002366365/" target="_blank" class="otherindex">隽铭(河北)机械</a></i><span>2023年10月30日</span><div class="add-friend " data-uid="2002366365">关注</div></div></div><div class="cell current"> <div class="img"><a href="/thread-268787873.html" target="_blank" title="内装式和外装式密封有何区别？"><img src="https://img01.mybjx.net/webupload/image/20231027/3e0691115c00002.jpg" alt="" /></a></div><div class="h1"><a href="/thread-268787873.html" target="_blank" title="内装式和外装式密封有何区别？" class="shorttit">内装式和外装式密封有何区别？</a><i class="iconfont iconreduzhi">50</i> </div><p class="clamptxts">按静环的安装位置可分为内装式和外装式机械密封。静环装于密封压盖（或相当于密封压盖的零件）内侧（即面向主机工作腔侧）的机械密封称为内装式机械密封（如图1）；反之，在密封压盖的外侧安装静环时成为外装式机械密封（图4）。内装式机械密封可用于温度和压力较高，以及介质对动环及弹性元件的腐蚀性不高的工况。外装式机械密封适用于低压（或负压）和介质具有腐蚀性的工况。</p><div class="infor"><ul><li><b class="iconfont iconreduzhi"></b>50</li><li><b class="iconfont iconliulan"></b>3357<span>次浏览</span></li><li><b class="iconfont iconpinglun"></b>1<span>人跟帖</span></li></ul><div class="logo"><a href="/users/2002366365/" 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