Salient Technical Features of ‘NORTH KARANPURA EXTERNAL COAL HANDLING PLANT PACKAGE

SALIENT TECHNICAL FEATURES

The North Karanpura External CHP Package for coal transportation from mine to the power plant of 3x660 MW capacity comprises Mechanical, Electrical, Civil, Structural & Architectural works and essentially consists of Pipe Conveyors , Troughed conveyors and accessories, conveyor galleries, transfer points, apron feeder, truck hopper ,power cabling ,Control room, MCC room, associated dust suppression system ,Fire detection and protection system, metal detector, magnetic separator, Inline magnetic separator,Belt weigher,ventilation system and other utilities, hoists, etc including road and bridges along the conveyor route

Coal received from mine is transported by troughed conveyor to a buffer silo is fed by apron feeders to the pipe conveyors for further transportation to surge bins located within the power plant premises. The coal from surge bin is conveyed by a series of troughed conveyors to the crusher house of internal coal handling plant. A truck hopper (located at mine end and also within the power plant premises) is provided to receive coal from other sources and convey via above conveyors to the crusher house.

The salient parameters of conveyor system and equipment are as follows :

a) i)

Pipe Conveyors :

 

 

Nos

: 02

 

Rated Capacity (Guaranteed)

: 2000 TPH

 

Length

: 8.0 Km (approx.)

ii)Troughed conveyors below truck hopper (at mine end)

 

Rated Capacity (Guaranteed)

 

: 2000 TPH

 

Belt width

:

1600 mm(min)

 

Nos

:

02

iii) Troughed conveyors feeding to silo

 

 

 

Rated Capacity (Guaranteed)

 

: 2950 TPH

 

Belt width

:

2000 mm(min)

 

Nos

:

02

iv) Troughed conveyors to crusher house of internal coal handling plant

 

Rated Capacity (Guaranteed)

 

: 2950 TPH

 

Belt width

:

2000 mm(min)

 

Nos

:

04

Troughed conveyors below truck hopper (at plant end)

 

Rated Capacity (Guaranteed)

 

: 1000 TPH

 

Belt width

:

1200 mm(min)

 

Nos

:

02

b) Apron Feeders (Below truck hopper at mine end)

 

Nos. required

: Three (3)

 

Rated Capacity (Guaranteed)

: 2000 MTPH

c)Apron Feeders (Below truck hopper at plant end)

 

a. Nos. required

: one (1)

 

b. Rated Capacity (Guaranteed)

: 1000 MTPH

d)

Apron Feeders (Below silo)

 

 

 

Nos. required

: Two (2)

 

 

Rated Capacity (Guaranteed)

: 2000 MTPH

e)

Apron Feeders (Below surge bin)

 

 

 

Nos. required

: Two (2)

 

 

Rated Capacity (Guaranteed)

: 2000 MTPH