PGZW1250N 高洁净全自动离心机		PGZW1250N Automatic self-cleaning centrifuge for MSG
PGZW1250N高洁净型全自动离心机是一种立式、小刮刀卸料、自动间歇操作过滤式离心机，可通过自动或手动方式进行周期性循环操作。该离心机最初是为了满足分离成品味精所需的高洁净度、高脱水速度要求而设计，是味精行业的关键设备之一，除了符合高标准卫生要求、国家GMP要求之外，闭合罩设计还能有效防护出料不受污染，广泛应用于结晶型物料及对出料洁净度要求高的场合。		PGZW1250N automatic self-cleaning centrifuge for MSG discharges by small scraper,operates intermittently.It works cyclic automatically or manually.PGZ1250N designed originally for MSG industry,satisfied the requirements of high cleanliness and high running speed.Wonderful enclosure design protect MSG product free from contamination.This model widely used in deal with crystalline material and occasions with high cleanliness demand.

◎工作原理

◎ Working principle

待分离物料由进料管进入高速旋转的离心机转鼓，在离心力场的作用下，均布在转鼓内壁的滤布上，进行过滤分离。分离过程中液相透过固相物料、滤布的缝隙和转鼓壁上的小孔，从底盘的出液管流出；而固相物料则被截留在转鼓壁内。进料及分离过程中，闭合罩始终与转鼓底部紧密接触，防止料液进入下料口。当达到分离要求后，闭合罩上升，刮刀机构开始卸料，料渣从出渣口排出。

Material comes into rotating drum trough feed tube,centrifugal force field makes it spread evenly on filter cloth of interior wall.During separation process,liquid trough gap within solid phase and filter cloth also holes of drum wall,discharges by outlet.While solid material retained within drum wall.In the process of feeding and separating,enclosure compactly combined with drum bottom,keep liquid material away from outlet.After separation,enclosure rises up,scraper unit discharges,residues discharge from outlet.

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◎Main features

1、整机运转平稳、噪音低、自动化程度高、操作灵活方便，劳动强度低。
2、采用变频+PLC可编程控制系统，启动平稳，通过程序设定实现自动化，能耗或回馈制动。
3、采用三相交流变频调速异步电机驱动，在周期自动循环操作中，变频无极调速可以限度地满足低速进料、高速分离、低速卸料各工序对转速的要求。根据物料性能的变化可以提供相应的转速点实现化的操作。
4、无人看护，实现自动监测与保护。具有转速检测、料层探测、过振动保护、电机过载过热保护、刮刀旋转升降机械电气双重联锁保护等多项功能。
5、内部闭合罩结构，确保工作过程中卸料口不受原液的污染，保证分离后物料的洁净度。

1) Running stably,low noise,highly-automatized,easy handle and low labour intensity.
2) Adopts frequency-alterable+PLC system,smooth start,through programmed design realize dynamic braking or feedback braking.
3) Driving by three-phase AC variable frequency induction motors,in cyclic operation the function of stepless speed regulation satisfied requirements of every process.Practice optimized operation based on different material properties.
4) Unattended operation facilitate automatic monitoring and protecting.
5）Wonderful enclosure structure ensure discharge outlet free from contamination of stoste,makes treated material purity.

◎结构示意图(Structure schematic diagram)

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1、平板为Q235A包衬不锈钢。
2、转鼓底为不锈钢铸件。
3、机壳、机盖包括附属品全部采用不锈钢。
4、轴承座采用铸钢件(ZG230-450)。
5、刮刀片及刮刀轴采用SUS304不锈钢。
6、闭合罩采用SUS304不锈钢，底部密封材质为硅橡胶。

1) Flat plate is made of Q235A carbon steel coated by stainless steel.
2) Drum base is made of stainless steel castings.
3) Shell,top lid and belongings are made of stainless steel.
4) Bearing pedestal is made of cast iron（ZG230-450）.

5) Scraper blade and shaft is made of SUS304 stainless steel.
6) Enclosure is made of SUS304 stainless steel,bottom sealed parts is made of silicone rubber.

◎结构与配置(Structure and configuration)

项目(Item)	标准(Ordinary )	可选(Alternatives)
整机结构 (Whole machine set)	平板式结构 Flat plate
转鼓与物料接触部分的材质 (Drum contact with material part’s composition)	SUS304不锈钢 SUS304 stainless steel	SUS316、316L、321不锈钢、钛材、衬塑、衬HALAR、衬胶等 Stainless steel:SUS316,SUS316L,SUS321;titanium;lining plastic;lining HALAR;lining rubber;etc.
上盖结构 (Top lid)	平盖 Flat lid
上盖附件 (Top lid belongings)	进料管、水洗管、视镜、防爆灯、刮刀装置、料位探测器、人孔盖 Feed tube,washing tube,observation hole,explosion-proof lamp,scraper unit,material position detecto ａnd manhole
开盖方式 (Lid opening)	人工 manual
布料方式 (Distribution method)	侧向布料 Side distribution
电机种类 (Motor type)	变频电机 frequency-alterable	普通电机、防爆电机、节能电机 Without frequency adjusting,explosion-proof or energy saving
制动方式 (Braking method)	能耗制动 Dynamic braking	回馈制动 Feedback braking
操控系统 (Controlling system)	变频+PLC+HMI人机界面 frequency-alterable+PLC+HMI
安全防护(Safety technologies)	振动保护、电机防护罩、过载过热保护、刮刀原位保护、刮刀旋转与升降机械电气双重联锁保护 Over vibration,motor shield,overload,overheat,scraper in situ,scraper turning and lifting machinery electric dual control	转速显示、防爆装置、在线含氧检测充氮保护系统 Speed display,explosion-proof unit,oxygen detection and nitrogen protection online system
卸料方式 (Discharge method)	气动刮刀 Pneumatic scraper
清洁处理 (Cleaning)	转鼓水洗清洁、物料水洗清洁 Washing	在线清洗结构、高压气体反吹系统 Online washing structure,high pressure air back flushing system
三角皮带 (Triangular belt)	普通三角皮带 Ordinary	防静电三角皮带 Static proof
其他 (Others)		其他配置要求

◎技术参数(Technical parameters)

转鼓直径 Drum D	转鼓高度 Drum H	转鼓转速 Drum speed	分离因数 Separation factor	容积 Maximum volumn	装料量 Maximum load	电机功率 Motor power	重量 Weight	外形尺寸 Dimensions
mm	mm	r/min		L	Kg	KW	Kg	mm
1250	600	0-1000	0-698	355	480	37	6000	2420×1800×2850