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您现在的位置:网站首页 - 产品中心LWL卧式螺旋过滤离心机

工作原理

    LWL卧式螺旋卸料过滤离心机,悬浮液通过进料管进入转鼓与螺旋之间的过滤腔,从转鼓锥底处进入,在离心力作用下,料浆中的液相通过转鼓内侧的滤网滤出,固相则被截留在转鼓内,同时固相在离心力和螺旋与转鼓的差速作用下,从转鼓小端向大端运动。随着转鼓回转直径的变大,离心力也增大,截留的固相从初始的较高的含湿率到排出转鼓时达到最小的含湿率,实现固液相自动连续的分离。

    配置洗涤管,可在过滤的后段对滤饼进行洗涤提纯。较薄的过滤层,可以获得较好的洗涤效果和较低的洗涤剂消耗。

    对于易产生二次结晶的物料,可以配置蒸汽管,按设置的清洗周期对内腔的结晶进行高温清洗。

    LWL卧式螺旋卸料过滤离心机因其连续过滤的特性,生产效率高,连续自动进出料,对于适当粒径的物料尤其适用。

 

Operating principle

Working principle of LWL Horizontal screw

The suspension will be fed into rotor drum via feed pipe firstly through the filtering cavity between the rotor drum and screw and then cone bottom of the rotor drum. Under effect of centrifugal force, liquid content of the suspension will be filtered out via the filter net in the rotor drum while the solid content retained in the drum which will be forced to move from smaller end of the drum to the larger end under effect of the centrifugal force as well as differential between the screw and rotor drum. As rotating diameter of the drum increases, the centrifugal force increases, which reduces moisture content of the solid (which is high at beginning) to a level as low as possible before discharge, achieving automatic continuous process of liquid/solid separation.

The unit is designed with washing pipe for rinsing and purification of filtering cake by end of filtration process, the thinner the filtering layer is, the better effect of rinsing and the lower consumption of detergent would be.

For materials that are prone to secondary crystallization, steam pipes can be configured to clean the crystals out of the inner cavity at high temperature in preset frequency.

LWL horizontal decanter is especially suitable for processing material of appropriate size as it' s capable of continuous filtration in a highly efficient way and allows continuous feed and discharge process.

 

LWL结构简图

LWL Structure diagram

 

技术参数  Technical parameter

 

 

主要特性

u 转鼓锥角可按工况选择2040

u 过滤网可选择金属板网或契形网

u 变频控制,转鼓转速无级调整

u 多种润滑方式:脂润滑(标配)、喷油润滑、油气润滑

u 全自动加油装置

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,有效防止窜料

u 联组传动带

u 测速传感器

u 自动清洗程序:进料管清洗、洗涤管清洗、转鼓外侧清洗、机盖内表面清洗、出料斗清洗

u 系统全密闭,满足清洁生产要求

u 多重?;ぃ汗穸;?,开盖?;?,电机过载?;?,氮气?;?,静电接地?;?,检修密码锁定

 

Main features

u The rotor drum may be set with a cone angle of 20 or 40 degree depends on different working conditions

u Filtering net may be metal lathing or wedge-shaped net

u Variable frequency control, rotor drum velocity stepless adjustment

u Various type of lubrication: Grease lubrication (standard), oil spray lubrication, oil-air lubrication

u Fully automatic oil recharging device

u High precision rotor drum (digital machining, high precision balance), high separation factor, improving separation effectiveness

u Designed with main shaft seal which prevents from fleeing material

u Joint driven belt

u Velocity sensor

u Automatic cleaning process: Clean the feeder pipe, rinsing pipe, rotor drum external, unit cover inner surface cleaning, discharge hopper cleaning

u Fully enclosed system, satisfying pharma specification

u Multiple layers of protection: over-vibration protection, cover-opening protection, motor over-load protection, N2 protection, static grounding protection, maintenance password lockout

 

定制形式   Personal form

 

LWL转鼓锥角

u 较小的锥角能得到较好的洗涤效果

u 较大的锥角能得到更大的处理量

u 针对物料特性选择合适的锥角

LWL Cone angle of rotor angle

u Smaller cone angle allows the rotor drum to achieve better washing performance

u Larger cone angle allows the rotor drum to process more

u Suitable cone angle may be selected for specific nature/characteristics of the material

 

 

LWL契形过滤网

u 带直边b的梯形丝制造的契形网,更长的磨损失效周期

u 带最小网隙a=0.05mm

u 针对物料与工况,选择合适的材料:304、316L、2205、C22、C276

u 梯形丝硬化处理具有更好的耐磨性

LWL Wedge-shaped filtering net

u Wedge-shaped net made of trapezoidal wire containing a straight-line  "b", resulting in a longer wear-out-failure period

u With minimum gap/clearance("a")of 0.05mm

u Select the most suitable material for the net depends on the material to be filtered and working conditions: 304、316L、2205、 C22、C276.

u Harden treated trapezoidal wire with better abrasive resistance

 

 

 

 

 

差速器

u 摆线针轮差速器

u 行星齿轮差速器

u 液压差速器

Differential mechanism

u Cycloid pin wheel differential

u Satellite differential

u hydraulic differential

进料装置

u 带反冲进料管

         适用于在管道中易堵塞的物料,在管路堵塞时反冲疏通

u 螺旋进料装置

         适用于固相浓度较高、流动性较差的物料

feeder unit

u Feeder pipe with backflush function

         Applicable for material easily getting blocked

u screw feeding device

         Applicable for material of poor fluidity and high solid concentration

 

幸运乐园