technical NOTES

2.8 Selection of Crusher in Projects – Techno-commercial Evaluation Format

S. N. Description Unit Vendor 1 Vendor 2 Vendor 3

System Offered Apron Feeder

+ double rotor

Impactor

Double apron

Feeder + Double

Shaft Hammer

Crusher

Double apron

Feeder + Double

Shaft Hammer

Crusher

No of Dumping 5 dumper

dumping

5 dumper

dumping

5 dumper dumping

A Crusher System Capacity

Wobbler Feeder

/ Screen Capacity,

if applicable

tph Not Applicable Not Applicable Not Applicable

Apron Capacity tph 1800 2 x 1000 1 x 1800 + 1 x 720

Crusher Capacity tph 1800 1850 1800

Product Size 90%<50mm, Max.

65 mm

90% <60 mm ,

65 mm

95% <45 mm ,

99%<65 mm

B Specific Power Consumption

• Wobbler Feeder,
  if applicable

kwh/t Not Applicable Not Applicable Not Applicable

• Apron Feeder kwh/t 1.57 0.063 0.09


• LS Crusher kwh/t 0.52 0.65


• Complete
  System

kwh/t 1.57 0.62 0.85

C Wear Rate Of

Hammer/Blow

bars/Rollers

Lacs ton of

material

2.5 1-1.2 9.75 gm/ton

D. Life Guarantee

• Apron Chain Million tons 5 20 million ton
  or 36 months
  from the date
  of supply
  or 30 months
  from the date of
  commissioning

20

• Impact Liners Million tons 10 NA 20
  
  
  • Hammer/Blow
    bars/Rollers
  
  
  
  

Million tons 0.25 10 0.3

• Life of
  grinding Path

Million tons 0.5 NA NA