The eruption flung vast amounts of dust and ash into the atmosphere, cooling global temperatures for months afterwards.
这次爆发把巨额数量的岩土和灰尘抛向大气，随后使地球的温度冷却了好几个月。
2
As alkalies in the coal dust ash dissolve out and carbonates are entrained into the system, serious scaling occurs in the cooling water system of the dust collector.
由于粉煤灰中碱性物的溶出及碳酸盐带入系统，导致除尘冷却水系统存在严重的结垢问题。
3
Discharge controlling and cooling of the bottom ash is one of the main problems faced by CFB boiler unit, which will associate with the safe and stable operation of unit in large.