水力旋流�?参数-价格-中国粉体罐�/title>

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宋体">水力旋流器在选煤厂工艺环节中常用于预先分级、浓�?/span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">常见于以下三种情冴�/span><span style="font-family: 宋体">:</span></span></span></p><p style="margin-left: 48px"><span style="color: rgb(51, 102, 255)"><span style="font-size: large"><span style="font-family: 宋体">(1)</span><span style="font-family: 宋体">粗煤泥选前预先分级浓缩、�/span></span></span><span style="font-size:21px;font-family:宋体"></span></p><p style="text-indent: 43px"><span style="color: rgb(51, 102, 255)"><span style="font-size: large"><span style="font-family: 宋体">当前选煤厂常用的粗颗粒煤泥分选设备主要有螺旋分选机和干扰床分选机</span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">它们对入料粒度和浓度要求较为严格</span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">为了保证其入料要汁�/span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">选煤厂工艺设计时均采用浓缩旋流器对入料煤泥水进行预先分级浓缩、�/span></span></span><span style="font-size:21px;font-family:宋体"></span></p><p style="text-indent: 43px"><span style="color: rgb(51, 102, 255)"><span style="font-size: large"><span style="font-family: 宋体">生产实践表明</span><span style="font-family: 宋体">: </span><span style="font-family: 宋体">经水力旋流器浓缩分级后的煤泥水浓度和煤泥粒度均能很好的满足煤泥分选设备的入料需�?/span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">效果比较理想。对粗煤泥进行选前 预先分级</span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">既可以使入料浓度达到分选设备的要求</span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">又能减少细泥对分选效果的影响</span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">提高分选精�?/span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">降低分选后精煤脱泥的难度、�/span></span></span><span style="font-size:21px;font-family:宋体"></span></p><p style="margin-left: 48px"><span style="color: rgb(51, 102, 255)"><span style="font-size: large"><span style="font-family: 宋体">(2)<span style="font-family: 'Times New Roman'"> </span></span><span style="font-family: 宋体">粗煤泥脱水前预先分级浓缩、�/span></span></span><span style="font-size:21px;font-family:宋体"></span></p><p style="text-indent: 43px"><span style="color: rgb(51, 102, 255)"><span style="font-size: large"><span style="font-family: 宋体">目前选煤厂对粗煤泥脱水回收一般采用高频筛或煤泥离心机</span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">不管是高频筛还是煤泥离心朹�/span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">一般要求入料煤泥水浓度丹�/span><span style="font-family: 宋体">35% </span><span style="font-family: 宋体">｝�/span><span style="font-family: 宋体">60% , </span><span style="font-family: 宋体">若入料浓度低亍�/span><span style="font-family: 宋体">40% , </span><span style="font-family: 宋体">其处理能力将大大降低。设计时一般采用水力旋流器对入料煤泥水进行预先分级浓缩</span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">水力旋流器底流浓度一般能够达�?/span><span style="font-family: 宋体">400 </span><span style="font-family: 宋体">｝�/span><span style="font-family: 宋体">650g/L,</span><span style="font-family: 宋体">能够满足后续煤泥脱水需要、�/span></span></span><span style="font-size:21px;font-family: 宋体"></span></p><p style="text-indent: 43px"><span style="color: rgb(51, 102, 255)"><span style="font-size: large"><span style="font-family: 宋体">通过旋流器分级后</span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">底流煤泥水不仅满足了后续脱水设备的入料浓度要汁�/span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">而且预先脱除了大部分超细粑�/span><span style="font-family: 宋体">(-0.45mm)</span><span style="font-family: 宋体">煤泥</span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">有利于煤泥的脱水处理、�/span></span></span><span style="font-size:21px;font-family:宋体"></span></p><p style="margin-left: 48px"><span style="color: rgb(51, 102, 255)"><span style="font-size: large"><span style="font-family: 宋体">(3)<span style="font-family: 'Times New Roman'"> </span></span><span style="font-family: 宋体">浮选入料煤泥水的隔粗处理、�/span></span></span><span style="font-size:21px;font-family:宋体"></span></p><p style="text-indent: 21px"><span style="color: rgb(51, 102, 255)"><span style="font-size: large"><span style="font-family: 宋体">浮选机分选细粒煤泥的有效分选粒度是</span><span style="font-family: 宋体">0</span><span style="font-family: 宋体">.</span><span style="font-family: 宋体">5 </span><span style="font-family: 宋体">｝�/span><span style="font-family: 宋体">0</span><span style="font-family: 宋体">.</span><span style="font-family: 宋体">045mm,</span><span style="font-family: 宋体">为了防止粗颗粒煤泥进入浮选环芁�/span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">选煤厂工艺设计时一般采用水力旋流器对煤泥水进行预先分级</span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">分级后旋流器溢流浓度一般为</span><span style="font-family: 宋体">60 </span><span style="font-family: 宋体">｝�/span><span style="font-family: 宋体">90g/L,</span><span style="font-family: 宋体">且溢流煤泥水�?/span><span style="font-family: 宋体">+0</span><span style="font-family: 宋体">.</span><span style="font-family: 宋体">5mm</span><span style="font-family: 宋体">级粗颗粒煤泥含量较低</span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">因此对细粒煤采用浮选作业处理时</span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">大多采用水力旋流器进行预先分级处理。旋流器溢流进入浮选系绞�/span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">可以大大减少粗颗粒煤泥含野�/span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">降低浮选跑煤现象。因其分级效果理惲�/span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">且工艺系统简協�/span><span style="font-family: 宋体">, </span><span style="font-family: 宋体">目前国内多数选煤厂在浮选环节前设置了水力旋流器作为分级设备、�/span></span></span></p><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul 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