"Thermostatic Bed" Theory
The economic benefits and eco-environmental benefits of pig-raising on the fermentation bed have been increasingly recognized by the breeding customers and have been welcomed by the European and American and other international aquaculture industries, and are being vigorously promoted in China. Friends who have used the fermentation bed can feel constant temperature all year round. There is no need to worry about high temperatures in summer, and there is no need for heating in winter. For example, the temperature of the core fermentation layer of the goldfish fermentation bed can reach 30-50°C or slightly higher, and the surface is constant for many years. Stable at 20 degrees. Why is this?
The standard thickness of the Jinbao pig fermentation bed is 50 cm, the core fermentation layer is 20-30 cm below the bed surface, and the fermentation temperature is 30-50°C. The heat is transmitted through the unsterilized or weakly litter medium. When it comes to the surface of the fermentation bed, the maximum surface temperature is twenty degrees. On the other hand, the surface of the fermentation bed does not produce heat, because the surface of the fermentation bed cannot be fermented, nor does it have the conditions for fermentation, and basically does not produce heat. Whether in winter or summer, heat is transferred from the core fermentation layer.
In addition, the surface layer and the outside world exchange heat at any time. When the temperature in the fermentation bed is close to or higher than the indoor or outdoor temperature, the fermentation bed can cause air convection, hot air rises, cold air drop or inject from the periphery. The ventilation and ventilation of the pig houses are also assisted by the mechanical ventilation, which makes the air convection and avoids hot and humid. Therefore, in the summer, the fermentation bed has a cool feeling, and there is no need to worry that the fermentation bed will cause high temperature. In winter, it will keep warm and reduce the cost of energy supply.
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