泡沫复合板不但使用方便，价格低廉，而且重要的一点是它绿色无污染。它的生产采用新的生产工艺，回收率有了明显的提高。了解以上的知识是为了让大家更好的对该产品的泡沫的2种形式有更好的理解。

The foam composite board is not only easy to use, but also cheap. And the most important thing is that it is green and pollution-free. Its production adopts new production process, and the recovery rate has been significantly improved. Understand the above knowledge so that we can better understand the 2 forms of the product's foam.

济南泡沫复合板

Ji'nan foam composite board

1、反硝化泡沫

1. Denitrification foam

如果污水厂进行硝化反应，则在沉淀池或曝气不足的地方会发生反硝化作用，产生氮等气泡而带动部分污泥上浮，出现泡沫现象。

If the sewage plant is nitrifying, denitrification will occur in the sedimentation tank or under insufficient aeration, resulting in bubbles such as nitrogen, which will cause some sludge to float and foam.

2、启动泡沫

2. Start the bubble.

活性污泥工艺运行启动初期，由于污水中含有一些表面活性物质，易引起表面泡沫。但随着活性污泥的成熟，这些表面活性物质经生物降解，泡沫复合板的泡沫现象会逐渐消失。

Activated sludge process started early, because there are some surfactant in the sewage, it is easy to cause surface foam. However, with the maturation of activated sludge, the foam phenomenon of foam board will gradually disappear after biodegradation of these surface active substances.

回火知识

Tempering knowledge

1、低温回火：低温回火所得组织为回火马氏体。其目的是在保持淬火钢的高硬度和高耐磨性的前提下，降低其淬火内应力和脆性，以免使用泡沫复合板的时候崩裂或过早损坏。

1. Low temperature tempering: the microstructure obtained by low temperature tempering is tempered martensite. The purpose is to reduce the internal stress and brittleness of the quenched steel under the premise of keeping the high hardness and high wear resistance of the quenched steel, so as to avoid cracking or premature damage when using the foam composite plate.

2、中温回火：中温回火所得组织为回火屈氏体。其目的是获得高的屈服强度，弹性极限和较高的韧性。

2. Medium temperature tempering: the microstructure obtained by medium temperature tempering is tempered troostite. The purpose is to obtain high yield strength, elastic limit and high toughness.

3、高温回火：高温回火所得组织为回火索氏体。将淬火加高温回火相结合的热处理称为调质处理，其目的是获得强度，硬度和塑性，韧性都较好的综合机械性能。

3. High temperature tempering: the microstructure obtained by high temperature tempering is tempered sorbite. The heat treatment combining quenching and high temperature tempering is called quenching and tempering treatment. Its purpose is to obtain comprehensive mechanical properties with good strength, hardness, plasticity and toughness.

以上是关于泡沫复合板的2中形式以及回火相关知识的介绍到这里了，那么大家掌握了该知识后，就会在制造的时候更加的简单了

The above is about the secondary form of foam composite panels and the introduction of tempering related knowledge, so after you master this knowledge, you will be more simple in manufacturing.