DG型高压多级给水泵.doc

长沙三昌泵业有限公司专业生产ZD型高效节能自平衡多级泵,D型系列多级泵,S型系列双吸泵，DG型系列锅炉给水泵,R型高温热水泵,IH系列化工泵等一系列清水泵，欢迎广大客户前来咨询！DG型高压多级给水泵概 述DG型单级多级离心泵作为高压锅炉给水泵或其它高压给水用，输送介质温度不超过160（中压不超过105），适用于电厂各种容量机组的单元制及母管道制给水系统。DG型高压多级给水泵结构特点说明本型泵是单壳体节段式多级离心泵。其吸入口和吐出口均垂直向上。前段、中段和后段用穿杠联接成一体，各段之间静止结合面主要靠金属面密封外，并没有O型胶圈作为辅助密封。DGB型高压泵的吸入段、中段、吐出段采用锻件。DG型高压多级给水泵轴封：本系列泵轴封采用软填料密封，用冷却水冷却，也可根据用户要要采用机械密封。DG型高压多级给水泵轴承和平衡装置DG型中压型泵转子由泵轴两端的滚动轴承来支承。稀油润滑，且用循环水冷却，转子的轴向推力采用平衡盘自动平衡。均衡回水经过均衡回水管返回到泵吸入段。DG型次高压型泵转子由泵轴两端的滑动轴承来支承。稀油润滑，且用循环水冷却，转子的轴向推力采用平衡盘平衡。在平衡室和前段之间装有回水管。DG型高压型泵转子由泵两端的滑动轴承来支承。轴承用强制润滑，泵本身配带油系统，转子的轴向推力用平衡盘来平衡。且带有止推轴承，用于承受由于工况变化而产生的残余轴向力，在平衡室体和吸水管之间装有回水管。DG型高压多级给水泵传 动中压、次高压型泵通过弹性联轴器由电动机驱动。从传动方向看，泵为顺时针方向旋转。高压型泵通过弹性联轴器由电动机驱动，也可根据用户需要配带齿型联轴器，膜片联轴器，液力偶合器，原动机可采小汽轮机或电动机驱动，从传动方向看，泵为顺时针方向旋转DG型高压多级给水泵性能范围(设计点) 流量：Q=100580m3/h（DG高压）Q=36180m3/h（中压、次高压） 扬程：H=7402150m（高压）H=4091056m（次高压）H=270672m（中压）DG型高压多级给水泵型号说明例：DG45-806DG单吸多级锅炉给水泵45泵设计点流量80泵单级扬程6泵级数DG型高压多级给水泵材 料中压：吸入段、吐出段、中段优质钢导叶、叶轮铬钢平衡盘、平衡套铬钢密封环、导叶套铬钼钢次高压：轴铬钼钢前段、中段、后段优质碳素钢导叶、叶轮、轴套优质碳素钢叶轮挡套、密封环、导叶套不锈钢平衡板、平衡盘、平衡套不锈钢高压：吸入段、吐出段、中段、导叶、叶轮碳素或铬钢轴、密封环、导叶套铬钒钢或铬钢DG型高压多级给水泵DG型高压多级给水泵DG型高压、次高压锅炉给水泵流量杨程转速轴功率配带电动机效率必须汽蚀余量(NPSH)r泵叶轮直径泵重m3/hL/smr/minKW电机功率KW电机型号%mmmkgDG25-80617.42529.14.836.948.08508476454295057.967.569.590Y280M-241.44851.83.13.33.8252832DG25-80717.42529.14.836.948.08590556530295067.578.981.190Y280M-241.44851.83.13.33.8252895DG25-80817.42529.14.836.948.08675635505295077.390.192.6110Y315S-241.44851.83.13.33.8252958DG25-80917.42529.14.836.948.08760715681295087101.4104.2132Y315M-241.44851.83.13.33.82521021DG25-801017.42529.14.836.948.08840795757295096.6112.8115.8132Y315M-241.44851.83.13.33.82521084DG25-801117.42529.14.836.948.089288758332950106.2124.1127.5160Y315L1-241.44851.83.13.33.82521147DG25-801217.42529.14.836.948.0810139459082950115.9135.2138.9160Y315L1-241.44851.83.13.33.82521210DG45-8062746547.512.515528480456295065.898.95103.16160Y315L1-25964653.945.5260915DG45-8072746547.512.515616560532295076.76109.61120.36160Y315L1-25964653.945.5260983DG45-8082746547.512.515704640608295087.73125.27137.55185Y315L-25964653.945.52601051DG45-8092746547.512.515792720684295098.7140.93154.75220Y315M1-25964653.945.52601119DG45-80102746547.512.5158808007602950109.67156.59171.94220Y315M1-25964653.945.52601187DG45-80112746547.512.5159688808362950127.18172.36189.25250Y355M2-25964653.945.52601255DG45-80122746547.512.51510569609122950131.69188.03206.66280Y355L1-25964653.945.52601323DG85-807518510214.1723.628.36165605322950145185.18208.13250Y355M2-25970713.54.54.32551567DG85-808518510214.1723.628.32950704640608165.72211.64237.87280Y355L1-25970713.54.54.32551640DG85-809518510214.1723.628.32950792720684186.44238.09267.6355Y3555-25970713.54.54.32551713DG85-8010518510214.1723.628.32950880800760207.15264.55297.33355Y3555-2(6KV)5970713.54.54.32551786DG85-8011518510214.1723.628.32950949.8880834.8223.73291.19326.8400Y3556-25970713.54.54.32551859DG85-8012518510214.1723.628.329501034.8960905243.75317.66354.29400Y3556-25970713.54.54.32551932DG150-100612015018033.341.7502950660600570274.18335.75392.54400Y3558-2(IP23/6KV)5973713.84.552892735DG150-100712015018033.341.7502950770700665319.87391.71459.13450Y4001-2(IP23/6KV)5973713.84.552892885DG150-100812015018033.341.7502950880800760365.57447.67524.72560Y4003-2(IP23/6KV)5973713.84.552893035DG150-100912015018033.341.7502950990900855411.27503.63590.31630Y4004-2(IP23/6KV)5973713.84.552893185DG150-1001012015018033.341.750295011001000950456.96559.58655.9710Y4501-2(IP23/6KV)5973713.84.5528933351DG-1214038.9154029508161000Y4504-2724.130035802DG-102DG(B)-10270751515295014801600Y5004-272.66.534848003DG-103DG(B)-10440122.21560295023372500Y6301-280834048004DG-8C500138.91680295029333200Y7101-2781239170005DGB-10570158.32150295041214800Y8001-2816.54047000DG270-140e32088