水垢给生物质蒸汽发生器带来的危害

水垢给生物质蒸汽发生器带来的危害

The damage caused by the scale to the biomass steam generator

1、降低生物质蒸汽发生器热效率，糟蹋很多燃料。锅炉结生水垢后，受热面的传热功能变差，燃料焚烧时所

1.Reduce boiler heat efficiency and waste a lot of fuel. After the boiler is raw, the heat transfer function of the heating surface is poor, and the fuel is burned

2、导致金属过热，强度降低，危及安全。锅炉受热面运用的钢材，一般均为碳素钢，在运用进程中，答应金属壁温在450℃以下。锅炉在正常运转时，金属壁温一般在280℃以下。

2. Caused the metal to overheat, reduce the strength and endanger the safety. Boiler heating surface of steel used, generally all is carbon steel, in the process of using, promised to metal wall temperature below 450 ℃. The boilers in normal operation, the metal wall temperature under 280 ℃ in general.

3、破坏水循环。锅炉水循环有天然水循环和强迫水循环两种方式。前者是靠上升管和降低管的汽水比重不一样发作的压力差而进行的水循环。后者主要是依托水泵的机械动力的作用而迫使循环的。

3. Damage water cycle. The boiler water cycle has two ways: natural water circulation and forced water cycle. The former is a water cycle in which the weight of the riser is different from that of the tube. The latter mainly relies on the mechanical power of the pump to force the circulation.

4、添加维修量，糟蹋很多资金。锅炉一旦结垢，就必须要铲除，这么才干确保锅炉安全经济运转。因而，铲除水垢就必须要选用化学药剂，如酸、碱等。

4. Add maintenance and waste a lot of money. Once the boiler is fouled, it must be removed to ensure the safe operation of the boiler. Therefore, the removal of scale must be used for chemical agents such as acid and alkali.

5、缩短生物质蒸汽发生器运用寿数。一般锅炉运用寿数，在正常运用条件下，能够接连运转20年摆布。