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屏蔽泵“四懂三会“学习资料,一文全懂,赶快收藏!
2026-01-11 07:42:46
屏蔽泵“四懂三会“学习资料,一文全懂,赶快收藏!
普通离心泵的驱动是通过联轴器将泵的叶轮轴与电动轴相连接,使叶轮与电动机一起旋转而工作,而屏蔽泵是一种无密封泵,泵和驱动电机都被密封在一个被泵送介质充满的压力容器内,此压力容器只有静密封,并由一个电线组来提供旋转磁场并驱动转子。这种结构取消了传统离心泵具有的旋转轴密封装置,故能做到完全无泄漏。
屏蔽泵把泵和电机连在一起,电动机的转子和泵的叶轮固定在同一根轴上,利用屏蔽套将电机的转子和定子隔开,转子在被输送的介质中运转,其动力通过定子磁场传给转子。
此外,屏蔽泵的制造并不复杂,其液力端可以按照离心泵通常采用的结构型式和有关的标准规范来设计、制造。
结构型式
1、电机与水泵一体化结构,水泵与电动机为同轴连接;
2、电动机定子内侧和转子外侧具有屏蔽套,屏蔽套内侧和泵内连通;
3、安装方式分卧式和立式两种
4、电动机取消了冷却风扇,通过定子与转子之间循环介质对电动机进行冷却,同时采用电动机机座表面冷却。
产品特点
1、电机与泵一体化结构,全部采用静密封,使电泵完全无泄漏;
2、全封闭、无泄漏结构可输送有毒有害液体物质;
3、采用屏蔽式水冷电机和取消了冷却风扇使该泵低噪声静音运行,适用于对环境噪声要求高的场合;
4、采用输送介质润滑的石墨滑动轴承,使运行噪声更低且无需人工加油,降低了维护成本;近几年轴承材质又增加有碳化硅SIC,超硬等,使用寿命优于石墨轴承。
5、立式结构可像阀门一样安装于管路上,安装方便快捷,且维修时只需将电机与叶轮抽出即可,无需拆除管路。
6、可以配合减震器或减震垫安装运行,使电泵在运行时噪声更低。
具体形式
1、输送普通物料的基本型;
2、输送易汽化物料的逆循环型及逆向加压型;
3、输送高温物料的高温分离型,通常温度在350度以下;
4、输送有颗粒的物料的泥浆型;
5、输送高熔点物料的高熔点型;
6、输送物料液位低于泵吸入口的自吸型,自吸高度应低于5米。
应用领域
一,民用;
1、地源热泵空调循环水系统;
2、溴化锂空调机组空调泵,变压器油泵,机车泵等;
3、供热采暖循环水系统;
4、消防水增压系统;
5、自来水增压系统。
二,工业及军工航天
1、化工及医药行业用有毒有害液体输送;
2、航天用火箭发射前燃料加注;
3、核电站用核级屏蔽电泵。
来源:网络
由化工707编辑整理
▼
精 选 阅 读 推 荐
▼
屏蔽泵培训(PPT),非常不错的资料!
什么是膨胀节?
仪表、管道、阀门等化工工艺流程图的设计及画法,快来查收!
为什么冷却塔“腰”那么细?
气动阀门电磁阀的原理及作用
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CONNECT:[ UseTime:0.000747s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001734s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.002591s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.002350s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.001163s ]
SELECT * FROM `set` [ RunTime:0.004567s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.001497s ]
SELECT * FROM `article` WHERE `id` = 457659 LIMIT 1 [ RunTime:0.024648s ]
UPDATE `article` SET `lasttime` = 1768330441 WHERE `id` = 457659 [ RunTime:0.028346s ]
SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.003227s ]
SELECT * FROM `article` WHERE `id` < 457659 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001525s ]
SELECT * FROM `article` WHERE `id` > 457659 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000988s ]
SELECT * FROM `article` WHERE `id` < 457659 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001752s ]
SELECT * FROM `article` WHERE `id` < 457659 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.026198s ]
SELECT * FROM `article` WHERE `id` < 457659 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.012028s ]
0.282221s