化学品法降低热采蒸汽锅炉炉水pH 值  

AMMONIUM SULFATE AND PHOSPHATE AS pH REDUCERS FOR STEAM BOILER WATER

作　　者：荣桂安[1] 曲新春[1] 佟建华[1] 

机构地区：[1]大连理工大学化工学院,辽宁大连116012

出　　处：《油田化学》1999年第2期146-148,142,共4页Oilfield Chemistry

摘　　要：热采蒸汽锅炉炉水的ｐ Ｈ 远超过１２ ，造成某油田多口注蒸汽井隔热管断裂。加入化学品可使热采蒸汽锅炉炉水的ｐ Ｈ 值降至９ 左右。本文报道了对化学品种类，加入量，反应温度和时间，除氧效果进行实验研究的结果，并结合现场工艺条件进行了讨论。High pH values beyond 12 was always observed with boiler water and steam condensate and often lead to fracture of conduit pipes at oil fields. In this paper the ways of lowering boiler water alkalinity are reviewed and ammonium sulfate (AS) and phosphate (AP) are recommended to decrease the water pH value to normal one (～9). AS and AP eliminate carbonate and bicarbonate ions, thus decreasing the water alkalinity (pH value). Oxygen scavenger (sodium sulfite) and pH reducers (AS and AP) function independenly, exerting no influence each on other(s). To decrease boiter water to 9, AS in amout of 350 mg/L and AS-630 mg/L need to be introduced.

关 键 词：蒸汽锅炉水 注蒸汽 水处理 化学品法 热力采油 

分 类 号：TK223.512[动力工程及工程热物理—动力机械及工程] TE357.11[石油与天然气工程—油气田开发工程]