1. Oxygenating dynamic fermentation device. This type of drying machine demand the raw material of a approximately 45% moisture content, and is heated up by the interlayer water jacket. This device has a good sanitation effect on dealing with the sterilization and deodorization of poultry manure, but has a poor drying effect. The fresh organic manure should be preprocessd before entering into the device, and the fresh organic manure need drying after processed by it, which makes the processing time longer and decreases economic benefits. Besides, the processing scene is of bad sanitation condition. Because the product quality is unstable in use, so this type of drying machine is not worth popularizing.

2. High pressure thermal spraying device. This device demands the raw material moisture content around 40%. It achieves the sterilization and deodorization effect by going through a high pressure and high temperature treatment. This equipment has stable performance and good sanitation effect. But it also need a pretreatment on the poultry manure and a subsequent drying of it. In addition, it adopts high pressure boiler, making the investment higher and inconvenient to use.

3. Microwave drying equipment. This equipment is of good treatment effect, but significantly high cost.

4. Poultry manure dryer. This is the most widely used poultry manure treatment equipment.

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