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VERTICAL SHAFT BRICK KLIN TECHNOLOGY
 VSBK - 1
 DATIA (M.P.)
Energy efficient Environmentally sound Economically viable
 
Technical Operating Information
 Brick size : 235 x 110 x 70 mm
 Typical soil : Sandy silt

 Green brick production :
Typical clay mix per 1000 bricks
Coal ash : 120 kg
Wheat straw : 18 kg
Clay : Balance
Moulding : Manual with wooden moulds
Weight of green brick : Around 2.7 kg
Drying : Natural air and sun drying
 Storage : Open
 External fuel : Crushed Coal (<10mm)
                  @ about 65 kg per 1000 bricks
 Manpower required on klin :
1 Firemaster and 3 firemen per shift

Typical energy consumption : 
0.8 MJ/kg of fired brick

Energy saving : 
~30% compared to BTKs
~60% compared to local clamps
Typical environmental performance :
 
Pollutant Workplace environment Stack emissions
SPM 295 µg/m3 53 µg/m3 (Limit:1000)
SO2 113 µg/m3 (Limit:5000) 84 µg/m3
NOx 23 µg/m3 (Limit:6000) 0.4 µg/m3

VSBK - 1 after modification (1998)

Salient Features of the klin
 
Number of shafts : 2
Shaft cross section : Shaft 1 - 1m x 1.75m
  Shaft 2 - 1m x 1.5m
Shaft height : 8 -> 9 -> 11 batches
Number of chimneys : 2 per shaft
Internal chimneys cross section : Shaft 1 - 170mm x 170mm
  Shaft 2 - 170 x 170mm -> 170 x 410mm
Chimney height : 4.0 mm -> 4.5m above the shaft top
Roof : MCR => G.I sheet
Minitor gap : 300 mm -> 700mm
Fluegas inlet rows : 1 -> 2 + 1
Unloading mechanism : Shaft1-chain pulley->Single screw system
  Shaft2-single screw system
Shaft cover : Open -> Single part hinged lid
Green bricks lifting : By animal power through Constructed ramp

Rated Output
About 4500 bricks per day
@ 10 batches unloading during 24 hour operation
Period of Construction
45 days during March - April 1996
Cost of Construction
(Including unloading device)
Rs. 2,10,000

 
Project imlementation, Co-ordinating and environmental monitoring: Development Alternatives
Energy Team: Tata Energy Research Institute
Project backstopping: and , Switzerland
Technology consultants: Energy Research Institute, Henan Academy of Sciences PR china
Klin construction and operation Development Alternatives
1077 Civil Lines, Jhansi
Uttar Pradesh  - 760002
Tel. : (0517) 444102
Modification Done Date
Height increased 8->9 batches Oct-Nov 1996
Monitor gap 300->700mm Oct-Nov 1996
Loading platform wall -> Columns & grill Oct-Nov 1996
Fuel inlet 1->2+1 Oct-Nov 1996
Shaft top Open->Single hinged lid Oct-Nov 1996
Height increased 9->11 batches Nov 1997
Roof MCR->GI Sheet Nov 1997

ENERGY EFFICIENCY  AND RENEWABLE ENERGY RESOURCES PROJECT

Sponsored by :  SWISS AGENCY FOR DEVELOPMENT AND CO-OPERATION