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GK卧式卸料离心机

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工作原理

    液/固混合流体通过进料管分布于离心机转鼓内,在离心力场作用下,通过滤片截留固相,滤出液相。持续进料,直至料满,停止进料,如工艺需要时则对滤饼进行洗涤、提纯,同时将洗涤液渝出。进一步脱液,直至达到分离要求。在全速或中速时,刮刀将大部分滤饼刮下,完成一次工作循环。

    GKH采用虹吸原理,增加过滤动力,实现更低的滤饼含湿率。

Operating principle

The solid and liquid mixture will be fed into the centrifuge drum via feed pipe and distributed evenly all over the inner wall of the drum, at where the solid phase will be retained by filter disk under effect of centrifuge field while liquid phase discharged out of the filtration process. The feeding process will keep going on until the centrifuge drum is fully charged. Filtering cake will be rinsed and purified as necessary and rinsing water will be discharged meanwhile. Then, there comes a further dehydration process till effective separation is achieved. In process of full or moderate speed running, the scrapper will peel off most of the filtering cake and one entire working cycle completed.

GKH' s operation is based on siphon principle, designed with filtering power, resulting in lower water content of filtering cake.

 

控制流程

Control process

离心机运行由PLC控制,系统按预设程序自动运行。不同的机型系统有着相应的运行参数或调整范围,对特定的工况在调试和后续的运行中设定合适的运行参数,满足分离要求。控制系统对实际运行过程中的过载进行自动修复或保护。

         自动控制系统对离心机主机、液压系统、气动系统、氮气保护系统、阀门以及与离心机相关的泵、阀、物料输送系统等进行控制。

 

Centrifuge operation is PLC controlled, where the system will run preset program automatically with operation parameters or their adjustment range varying for different models/types of unit. Appropriate operation parameters will be defined and set for specific working condition based on results of testing/commissioning and subsequent operation in the aim to achieve effective separation.

The control system will fix or protect from overload in process of operation automatically.

The automatic control system controls main engine, hydraulic system, pneumatic system, N2 protection system, valves as well as pumps, valves and material conveyance system etc. relating to the centrifuge.

 

 

系统集成与安装

System integration and installation

 

GK整机安装

GK whole system installation

整机落地安装:出料接至下层滤饼输送系统

整机高架安装:在本层预留卸料和滤饼输送空间

Whole system floor mounted: with discharge port connected to filtering cake conveyance system at next level I

Whole system elevated and installed: space reserved at same level for discharge and filtering cake conveyance

主要特性

u 平板结构,无基础安装,液态阻尼减振

u 平开盖或全翻盖形式,液压锁紧

u 鸭嘴式布料器,可调式进料装置,改善布料平衡

u 气体反吹或螺旋滚刀清除残余滤饼

u 料层厚度设定+料层探测+n次补料,确保滤饼层厚度

u 滤饼不平衡自动修复+过振动待机保护

u 雾化洗涤,洗涤定量控制,间隙式/脉冲洗涤

u 高速或中速刮料(可设)

u 洗涤滤液导电率检测+出液转换

u 滤液取样口

u 高精度转鼓(数控加工、高精度平衡),高分离因数,提高分离效率

u 设置主轴封、刮刀轴封,轴封压力比内腔高20mbar,废气有序排出

u 联组传动带

u 测速传感器

u 自动轴承补油装置

u 无级分层刮料,堵转自动修复,刮刀刀片耐磨设计与防污染设计

u 全密闭液压站,不锈钢液压油箱

u 自动清洗程序

u 系统全密闭,满足清洁生产要求

u 电脑、手机APP远程监控系统

u 多重保护:过振动保护,开盖保护+锁紧保护,电机过载保护,料位探测过载保护,刮刀原位保护,工序联动机械+电气保护,氮气保护,静电接地保护,故障诊断与待机保护,检修锁定保护


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