Chemical Pulp Production Line 200.000 tpy
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- Product ID: VAK10462
- Name: Chemical Pulp Production Line 200.000 tpy
CHEMICAL PULP PRODUCTION LINE
* Capacity 200 000 tpa
Raw material Handling
2 Barkers
2 Chippers, RWC 12-3000, Rauma-Repola (1971,1988)
5 Batch digesters, YIT (1965, 2002-2003)
1 Continuous digester, 30 000tpa, C-E Bauer
(1970, rebuild 1978)
Chemical Recovery
* Lime kiln, (1975, rebuilds 2005/2006)
* Recausticizing system, Dorr-Oliver (1969)
* Evaporator, 7 effects, Rauma-Repola
(1966, rebuilds 1998 and 1999)
* Lime kiln, Smidth (1960, rebuild 1998)
* Evaporator, 10 effects, Rauma-Repola (1971/1975)
* Bleaching unit
Scope of plant
The scope of the plant covers major sections and main machinery of the process according listing below:
* Wood handling covering debarking, chipping, chip screening
* Cooking
* brown stock washing
* knot and reject handling
* pulp screening
* bleaching by oxygen and peroxide
* spent liquor evaporation
* recausticizing
* lime kiln
* malodorous gases treatment
* turbine generator (from other mill)
Certain major sections of the process are not included and are listed below:
* recovery boiler
* fresh water treatment
* effluent treatment
* electricity main distribution and distribution transformers
(6kV/600V)
* mill automation: Distributed Control System (DCS)
PULP PRODUCTION LINES
GRADES | INT AT MILL | TOTAL INT | TOTAL PULP |
bl sd sa | 50 | 50 | 50 |
bl sw sa | 130 | 130 | 130 |
Unbl sd sa | 30 | 30 | 30 |
unbl sw sa | 30 | 30 | 30 |
Pulp mill raw material :92% SW; pine, spruce
By-products :tall oil, 120t/d
turpentine
tall oil products, 25t/d
Purchased Fibres :bl hw sulphate
deinked pulp
bl sw sulphate
PULP MILL INFORMATION
Raw material handling: |
2 barkers 2 chippers, RWC 12-3000, Rauma-Repola, 1971 1 chipper, RWC-3000, Rauma-Repola, 1988 |
Cooking: | 1 continuous digester for unbl sd sa, a 30 (1000t/a)C-E Bauer, 1970 /1978 1 batch digester for bl & unbl sw sa, a 0(), 1965 2 batch digesters for bl & unbl sw sa,a 0(), YIT,2002 2 batch digesters for bl & unbl sw sa,a YIT, 2003 1 batch digester for unbl sw sa,a 0(), YIT, 2004 |
Chemical recovery: |
1 lime kiln, for sw sa, 1975/2005/2006 1 recausticizing system, for sw sa, Dorr-oliver, 1969 1 recovery boiler, for sw sa, a 1150 tds/d, Tampella, 1975/1987, 1993 1 evaporator, 7 effects, for sw sa, 150t/h, Rauma-Repola1966/1998/99 1 lime kiln, for sw sa, 150t/h, Smidth,1960/1998 1 evaporator, 4 effects, for sw sa, a50t/h, Rauma-Repola 1971 1 evaporator, 6 effects, for sw sa, a75t/h, Rauma-Repola 1975 |
Bleaching: | O, for sw sa 200 (1000t/a) Andritz 2007 1, XN, for sw sa, 200 (1000t/a), Andritz 2007 |