The liquid liquid liquid liquid liquid residue is used after the cow dung dehydrator is separated by the liquid liquid residue after the biogas. The separated solid material has low water content and convenient transportation, which can be used directly as organic fertilizer. This machine is used to treat farm wastewater, and the original drying water of livestock can be shared as liquid organic fertilizer and solid organic fertilizer. Liquid organic fertilizer can be used directly for crops and absorption, and solid organic fertilizers can be used in the lack of fertilizer. At the same time, organic compound fertilizers can be made after fermentation, which can be changed into treasure, improved soil structure, which is conducive to protecting the environment and generating huge economic benefits.

The machine has the characteristics of small volume, low speed, simple operation, convenient installation and maintenance, low cost, high cost, high efficiency, fast investment recycling, and no need to add flocculant.