Then, the flow speed is in line with flow rate and kept on without being affected by subsequent pipes, thus distributing uniformly the pulverized coal injected.

• 结果表明，在现有高炉喷煤系统的各输送支管前安装一组具有相同几何尺寸的“喉形喷管”并满足适当压力条件时，两相流将在各喷管内发生壅塞流动。