Crushers,Screens,Apron feeders

Crushers

Screens

Feeders

Ring Granulators

A Ring Granulator is an ideal machine for crushing coal to a size suitable at power stations prior to pulverization.

Developed from the conventional hammer mill by substituting rings for hammers its unique action results in a minimum of both oversize and fines thereby improving efficiency.

It comprise with screen plate / cage bar steel box with an opening for the introduction of the material to be crushed set to one side in the top cover. A sloping breaker plate arranged, on a hinged cage frame is set to one side of the feed entry and a power driven horizontal main shaft passes from frame side to frame side parallel to this breaker plate.

This main shaft carried in roller bearings from the box sides, supports a number of circular discs fixed at regular intervals across its length within the frame.

A series of bars running parallel to the main shaft, pass through these discs near their outer edges. The bars are equally spaced about the main shaft center and carry a series of rings which are free to turn on the bars irrespective of the main shaft rotation.

Below the shaft / disc / ring assembly, called collectively, the rotor assembly, the movable cage frame is carried round at a radius marginally larger than that of the ring running periphery. According to the duty required the cage area can be left open or fitted with screen plates / cage bars and the entire cage assembly is set in close proximity to the rings by screw jack mechanism operated from outside of machine.

CAPACITIES & SPECIFICATION

Machine 
Type

Rotor 
dimension

Feed 
Size (mm)

Power
(max)

Tons per hour capacity for nominal product

50 mm

37 mm 

25 mm 

15 mm 

RG 1008

1000 x 800

400

110 kW

200 

140

100 

80

RG 1010

1000 x 1000

400

120 kW

300

230

200

130

RG 1015

1000 x 1500

400

200 kW

410

340

300

180

RG 1018

1000 x 1800

400

250 kW

600

540

420

300

RG 1228

1200 x 2850

500

800 kW

1500

1200

1000

800

RG 1828

1850 x 2850

600

1000 kW

2500

2000

1800

1500

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