Jiangsu Shengli Centrifuge Manufacturing Co., Ltd.

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Automatic discharge centrifuge/Gypsum calcium centrifuge



Shengli Centrifuge Manufacturing

PLD series flatbed full-automatic bottom unloading centrifuge

Features and uses

■  Automatic frequency converter to control speed.
■  It has all advantages of common vertical scraper down discharging centrifuge.
■  Full-automatic operation for hanging bag falling off and reset.
■  The filter bag can move up and down inside the drum to produce oscillation effect and remove the remnant filter cake throughly.
■  Big clamshell or shell whole reversible type are achievable according to users' demands.


Structure diagram and principle

1. Working principle

During the process of discharging, the scraper acts, under the impact of which most material are discharged through the blanking hole on the bottom of drum to the outside. The remnant material layer will generate oscillation effect by the influence of automatic hanging bag mechanism inside the drum and then the remnant material layer will be removed.

2. Explosion-proof working principle

The explosion-proof bag pulling centrifuge is manufactured according to the explosion-proof standard. Before the centrifuge is started, high flow nitrogen replacement is carried out. The gas inside the centrifuge is ensured to be insert through adopting oxygen content detection, pressure test and other ways, so as to meet the centrifuge running requirements. After the equipment runs, the oxygen content is monitored in a dynamic manner and high flow nitrogen replacement or low flow low pressure nitrogen supplying is carried out, so as to ensure that the equipment meets the explosion-proof running requirements

3. Schematic diagram of working process

4. Working process of centrifuge

5. Nitrogen replacement and replenishment process

6. Oxygen concentration in the inner cavity of the centrifuge

7. Explosion-proof process drawing of bag-drawing centrifuge

8. Explosion-proof field application diagram of bag-drawing centrifuge


The main technical parameters

Item Model
PLD800 PLD 1000 PLD 1250 PLD1360 PLD1600 PLD1800
Drum diameter(mm) 800 1000 1250 1360 1600 1800
Drum working highly(mm) 400 450 700 800 800 1100
Drum working volume(L) 100 160 400 530 800 1250
Maximum loading limit(kg) 140 215 500 680 1120 1750
Durm speed(r/min) 1200/1500 1000/1200 1000/1200 970/1150 850/1050 800
Filtration area(m2) 1.0 1.41 2.47 3.41 4.0 6.22
Separation factor(ω2r/ ɡ) 645/1006 560/804 700/1006 715/1006 647/986 645
Motor power(kw) 7.5/11 11/15 22/30 30/37 37/55 55
Overall weight(kg) 2000 3500 5000 8500 12000 17000
Physical size(mm) 1800×1300×2000 1950×1600×2100 2300×1800×2400/2700 2350×1900×2700 2980×2250×3000/3200 3300×2500×3850

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