Bleed valve

was affected due to blockage of blow down device of 1600/600 blow down valve for cold air,Based on analysis and investigation,technical transformation was made on the piston ring, piston and shaft sleeve.

马钢 2 5 0 0 m3 高炉 16 0 0 / 6 0 0冷风放风阀放风装置卡阻 ,影响高炉休复风操作。

was affected due to blockage of blow down device of 1600/600 blow down valve for cold air,Based on analysis and investigation,technical transformation was made on the piston ring, piston and shaft sleeve.

马钢 2 5 0 0 m3 高炉 16 0 0 / 6 0 0冷风放风阀放风装置卡阻 ,影响高炉休复风操作。

Nitrogen and phosphorus forms and release risks of lake sediments from the middle and lower reaches of the Yangtze River;

长江中下游湖泊沉积物氮磷形态与释放风险关系

To eliminate the disadvantageous factor, routine measuer is "by-pass", to do so would.

消除氯不利影响的常规措施是采用“旁路放风”,但这既要增加投资,又要增加熟料的热耗和电耗。