After OG sludge was added to pelletizing mix , the liquid bonding phase appeared in pellet, so the pellet compression strength was increased greatly.

添加OG泥后，球团矿中出现了液相固结，球团矿抗压强度因此而大幅度提高。

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Biomass pellet fuel production technology mainly has two ways, one is a hot compression extrusion molding technology, the other is a high pressure cavity forming technology.

生物质颗粒燃料的生产技术主要有两种方式，一种是热压缩挤压成型技术，另一种是高压模腔成型技术。

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