Description and working procedure The scouring process in a J-Box can be divided into four units. Impregnation Box Pre-heater J-box Washing Unit. Standard Recipe: Alkali —————————– 4-6 gm/l Wetting Agent ——————- 4-5 gm/l Pick Up —————————- 90-100 % Impregnation Temperature —— 70-80ºc Impregnation Time ————— 40-90 sec Storing Time in J-Box ———— 1-2 hrs
Continue reading Scouring Process in J-Boxscouring
Recipe : Alkali——————- 2-5% Wetting Agent——— 1 % Soda Ash————— 0.3-0.5% Sequestering Agent— 0.05-0.5% M:L——————— 1:40 Temp——————- 90-130ºC Time——————– 6 Hrs. Working Procedure: The liquor is prepared into mixing tank by the above chemicals. Then it brought into the pre heater (Multi-tubular Heater) and heated by the steam. Then the hot liquor is pumped and …
Continue reading The Kier Boiler Scouring Process