Structure and principle

• PM series mechanical two-stage pusher centrifuge. It is mainly supported on the base by the reducer, pushing mechanism, machine base, bearing combination, drum, screen, casing and parts through bearing combination.
• Compared with the traditional piston pusher centrifuge, the model cancels the hydraulic drive structure and uses the mechanical crank slider mechanism as the drive.
• The rotating body is connected with the main motor pulley through a triangular tape. The electric cabinet is a separate system, installed in a position suitable for the host.
• The main engine is running at full speed, and the suspension enters the distribution plate installed on the outer drum through the feed pipe. Under the action of the centrifugal force field, the suspension is evenly distributed on the plate net in the drum. The liquid phase leaks out through the plate gap of the plate mesh and the filter holes of the rotary drum, while the solid phase is trapped on the plate mesh to form an annular filter residue layer. Through the reciprocating motion of the inner drum, the filter residue moves along the axial direction of the drum and is discharged through the collecting trough in front of the outer drum.

Main features

• Crank slider type mechanical drive, high transmission efficiency, more energy-saving under the same capacity conditions.
• No hydraulic oil drive, the site environment clean.
• The entire operation process is fully automatic and continuous without manual intervention.
• Complete at full speed, such as feeding, separation, washing, drying and unloading processes.
• Suitable for the separation of crystalline or short fiber-like concentrated suspensions containing medium particles.
• The grain is not easy to break, filter residue can be washed.
• Large capacity, high recovery rate, low moisture content of filter residue, low energy consumption.
• Have invention patents, reliable quality.
• The number of pushing materials can be adjusted, which can better adapt to the needs of process changes.
   
  
   

Typical applications

Sea salt, well mineral salt, mirabilite, sodium sulfate, coking ammonium sulfate, flue gas desulfurization ammonium sulfate, wastewater sodium chloride, wastewater sodium sulfate, gelatin, urotropine, ferrous sulfate, p-xylene, ammonium chloride, acrylamide, sodium dichromate, boric acid, acetate fiber, nitrocellulose, caustic soda, potassium chloride, potassium sulfate, potassium carbonate, phosphate

Model and main technical parameters

Item/Model	PM230-N	PM260-N	PM300-N	PM420-N
Inner diameter of drum (mm)	190/230	220/260	290/360	357/420
Length of filtration area (mm)	120/120	140/140	180/180	180/180
Drum speed (r/min)	0-3600	0-3200	0-2500	0-2000
Separation factor	0-1668	0-1490	0-1180	0-940
Pusher stroke (mm)	40	40	50	50
Pusher times (min-1)	30-90	30-90	30-80	30-80
Main motor power (KW)	3-5.5	4-7.5	11	15
Motor power of oil pump (KW)	3	3	5.5	7.5
Processing capacity (t/h) (under optimum conditions)	0.05-0.2	0.1-0.3	1.5-2	2-3
Net weight of machine (kg)	800	850	2200	2400
Overall dimension (mm)	1653×1150×715	1675×1150×715	2200×1280×1105	2260×1290×1135

 

 

 

This design confers a significant advantage in terms of operational efficiency and energy consumption. By eliminating the frequent acceleration and deceleration cycles inherent in batch operations, the Mechanical Pusher Centrifuge maintains a constant energy load, leading to lower power consumption per ton of processed material. This not only reduces operational costs but also minimizes mechanical stress on the drive system and other components, contributing to enhanced equipment longevity and reduced maintenance requirements over its service life. The reliability of the Mechanical Pusher Centrifuge is a key benefit, particularly when processing coarse, crystalline, and fibrous solids that might challenge other types of equipment. The machine is engineered to handle such materials with relative ease, and the gentle yet effective pushing action ensures that crystal breakage or product degradation is minimized, which is a critical factor in industries like chemicals and fertilizers where product crystal size and integrity are directly tied to commercial value. The ability to process these challenging materials effectively expands the utility of the Mechanical Pusher Centrifuge across diverse sectors.

Furthermore, the operational flexibility of the Mechanical Pusher Centrifuge is a notable strength. By adjusting parameters such as the rotational speed of the basket, the stroke length of the pusher plate, and the frequency of the pusher strokes, operators can finely tune the machine's performance to achieve the desired balance between cake dryness and residual moisture content, as well as the clarity of the centrate. This level of control is indispensable for adapting to variations in feed stock or for meeting specific product specifications without needing to halt production. The design also lends itself to effective washing, which is a crucial process step in many applications. As the solids cake is conveyed along the basket, wash liquors can be sprayed onto the bed at one or multiple stages. The centrifugal force ensures that the wash liquid penetrates the cake thoroughly and is separated efficiently, leading to high-purity solids with minimal residual mother liquor. This efficient washing capability enhances product quality and recovery rates, making the Mechanical Pusher Centrifuge an integral part of purification processes.

When considering maintenance and upkeep, the Mechanical Pusher Centrifuge offers distinct advantages. Its design philosophy often prioritizes accessibility for routine inspections and part replacements. While the pusher mechanism is robust, its components are typically designed to be serviceable, which helps in reducing downtime during maintenance events. The predictable nature of its operation also allows for proactive maintenance scheduling, preventing unplanned outages that can disrupt a continuous production line. In summary, the Mechanical Pusher Centrifuge is a workhorse of continuous industrial separation. Its advantages are multifaceted, encompassing high-capacity continuous processing, energy efficiency, exceptional reliability with coarse solids, operational flexibility for product tuning, effective washing, and maintainable design. These combined benefits make the Mechanical Pusher Centrifuge a preferred and economically sound choice for numerous applications where dependable and efficient dewatering is required on a large scale.