Jul 17th, 2020, 10:04 | #1 |
Senior Member
注册日期: Jun 2006
帖子: 4,511
|
|
|
Jul 18th, 2020, 11:52 | #2 |
Senior Member
注册日期: Jun 2006
帖子: 4,511
声望: 1177764
|
|
|
Jul 18th, 2020, 21:54 | #3 |
Senior Member
注册日期: Jun 2006
帖子: 4,511
声望: 1177764
|
开阀门不会增大水压(应该是减小一些);应该是水流涌动造成管道震荡使裂纹短时加大的原因。管子腐蚀成那样子,应该与水的PH有关,卡城自来水春夏化雪雨水时候会加大絮凝剂硫酸铝用量,使出水PH降低到7及以下(正常为7.7以上),管道里面沉淀物会溶解增多,会使铜等金属管道内失稳。据说以后卡城出水会增加调节PH工艺(石灰)。
|
|