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LWLZ臥式螺旋濃縮過濾離心機

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蘇州星億機械有限公司

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產品簡介

工作原理LWLZ臥式螺旋濃縮過濾組合式離心機，物料*入沉降轉鼓中，通過沉降原理將物料*行沉降濃縮后，再進入過濾轉鼓進行過濾分離和洗滌

詳細介紹

工作原理

LWLZ臥式螺旋濃縮過濾組合式離心機，物料*入沉降轉鼓中，通過沉降原理將物料*行沉降濃縮后，再進入過濾轉鼓進行過濾分離和洗滌。

懸浮液通過進料管進入沉降轉鼓，從轉鼓大端處進入，在離心力作用下，料漿中固相沉降在轉鼓壁上并在螺旋的作用下向小端移動，液相通過轉鼓大端的溢流孔排出，濾餅在向小端移動的過程中被壓榨脫液后進入過濾轉鼓，固相在離心力和螺旋與轉鼓的差速作用下，從轉鼓小端向大端運動。隨著轉鼓回轉直徑的變大，離心力也增大，截留的固相從初始的較高的含濕率到排出轉鼓時達到最小的含濕率，實現固液相自動連續(xù)的分離。

配置洗滌管，可在過濾的后段對濾餅進行洗滌提純。較薄的過濾層，可以獲得較好的洗滌效果和較低的洗滌劑消耗。

對于易產生二次結晶的物料。可以配置蒸汽管，按設置的清洗周期對內腔的結晶進行高溫清洗。

LWLZ臥式螺旋濃縮過濾組合式離心機因其先濃縮再過濾的特性，生產效率高，自動化程度高，主要適用于大處理量、低固相率、液相中含有膠質的物料。

Operating principle

Working principle of LWLZ screw thickening and filtration centrifuge

The suspension will be fed into sedimentation rotor drum firstly for sedimentation and thickening before it' s transferred to the filtration rotor drum for filtration separation and rinsing.

The suspension will be fed in via the larger end of the sedimentation rotor drum. Solid content of which will settle down and lie on inner wall of the rotor drum, which will be conveyed to the smaller end of the drum under effect of screw; meanwhile, the liquid content of which will be discharged via overflow port at larger end of the drum. The filtering cake will be compressed and dehydrated as it' s conveyed from smaller end of the drum to the larger end.

The centrifugal force increases as the turning radius of the drum increases, reducing moisture content of the solid (which is high at beginning) as far as possible and 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, the better effect of rinsing and the lower consumption of detergent.

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.

LWLZ horizontal decanter is mainly applicable for processing bulk material with lower solid content and liquid containing gel.

LWLZ結構簡圖

LWLZ Structure diagram

技術參數 Technical parameter

主要特性

u 轉鼓錐角可按工況選擇20或40度

u 過濾網可選擇金屬板網或契形網

u 變頻控制，轉鼓轉速無級調整

u 多種潤滑方式：脂潤滑(標配)、噴油潤滑、油氣潤滑

u 全自動加油裝置

u 高精度轉鼓(數控加工、高精度平衡)，高分離因數，提高分離效率

u 設置主軸封，有效防止竄料

u 聯(lián)組傳動帶

u 測速傳感器

u 自動清洗程序：進料管清洗、洗滌管清洗、轉鼓外側清洗、機蓋內表面清洗、出料斗清洗

u 系統(tǒng)全密閉，滿足清潔生產要求

u 多重保護：過振動保護，開蓋保護，電機過載保護，氮氣保護，靜電接地保護，檢修密碼鎖定

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

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