In the northern winter pig house, the temperature is low, the humidity is great, and the air quality is poor. The reason is that winter, many pig farms (households) in order to better insulation, more rigorous shelter in the pigsty fan ventilation, a small, herd density is too large, because the water vapor amount of individual pig big pig urine and exhaled evaporation is large, can not be discharged in time the pig shed, causing pig in high humidity, partly due to poor pig roof warm, water vapor will condense into water droplets on the roof, dropping to the ground caused by the wet pigsty pigsty. The same time, the pig house cleaning disinfection, the same will be very humid, if not dry pigs, eager to switch to pigs, pigs live in humid environment. So as to induce respiratory syndrome and digestive system diseases in pigs, resulting in a low rate of feed conversion, a large number of pig deaths, and huge economic losses to the pig farms.
As the saying goes: "the pig to raise good food, bannister". The meaning of this sentence is to keep a good pig pens as long as the drying and feed on the line. The optimum temperature for the growth of pigs is that the body weight is 60kg, 16 to 22, 60 to 90kg14, 20 to 75%, and 12 to 16 degrees 90kg. The relative humidity in the house should be between 50% and 2. Low temperature in piggery is an accomplice of waterlogging, which is very unfavorable to the normal growth of pigs. Love is warm and dry in winter and spring pig, afraid of the cold and wet, the humidity is too large, is conducive to the growth of bacteria, susceptible to swine dysentery, enteritis and coccidiosis. Therefore, it is necessary to take aid measures, such as the use of plant ash, coal ash, lime, charcoal and so on, in time to absorb moisture on the ground, absorb the stench in the empty fence, kill bacteria, and inhibit the breeding of various pathogens.
This paper introduces a novel and simple method for warming and removing dampness. That is, a new type of mobile hot air blower is adopted to raise the temperature of pig house. Meanwhile, the effect of humidity reduction in pig house is very remarkable, and the speed is fast. The principle is that when the temperature rises, the capacity of the air to absorb water will increase significantly, and the relative humidity will decrease. This method is direct, quick and simple.