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Journal of Scientific and Industrial Research (JSIR) >
JSIR Vol.66 [2007] >
JSIR Vol.66(06) [June 2007] >
| Title: | Simulation of control loops of pulp bleaching section using distributed control system – An experimental study |
| Authors: | Sharma, S C
Gupta, Sanjeev
Sharma, Chhaya
Kapoor, Raj |
| Keywords: | Bleaching
Distributed control system
Flow control
Temperature control |
| Issue Date: | Jun-2007 |
| Publisher: | CSIR |
| IPC Code: | D21C9/10 |
| Abstract: | Day by day requirement for better quality of paper in terms of brightness and strength is arising. To meet the
changing requirements, the bleaching sequences and process conditions need to be modified. For implementing these modified
conditions, to increasing the reaction rate and to reduce the chemical wastage control loops need to be redesigned. The
process engineer working in the mill must know the design procedure of control loop on DCS. Keeping this in mind, control
loop for changing demand of hot water flow used at C/D washer for water spray and temperature of hot water of pulp
bleaching section have been designed and simulated offline. Later on these loops were installed, commissioned and tested
on-line using DCS (MP 200/1). The results are reported in manual and auto mode of operation. |
| Page(s): | 431-434 |
| ISSN: | 0022-4456 |
| Source: | JSIR Vol.66(06) [June 2007]
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