发蓝工艺规程

???????????????????????????????????????????????????????? ????????? 1??????? 105kgf/mm2???????????????????? ???????? 2???????????????? 15 ??????????? 20 ?? ?????????????????????? 3?????????????????????????? 4???????????????????????????????? ??????????????????????????????? ??????????????????????????? 5???????????????????????????60????? ??????????????????????????????? ??? 6???????????????????????????????? ???????? 7???????????? 8??????????????????????????????? 9???????????????? 10??????????????? ????????? 1????? ????? 180???? 2??? 3????? ???? NaOH 30?50g/L ??? Na3PO4 50?70g/L ??? Na2CO3 20?30g/L ??? Na2SiO3 10?15g/L ?? 70?80? ?? 15?20min 4???? ?? 80?90? 5???? 6???? ?? HCl??? ?? 3?5min 7???? 8???? ?? H2SO4 30?50g/L ?? 3?5min 9???? 10??? ???? NaOH 30?50g/L ???? NaNO2 180?250 g/L ?? 130?145? ?? 60?90min 11????? ?? 80?90? 12????? 13??? ?????? 20?30g/L ??? Na2CO3 2?3g/L ?? 80?90? ?? 3?5min 14????? ?? 80?90? 15????? 18?????? 19??? ????20?? 100? 105?110??? 60?90min