Energy-saving air interchanger device for on-scale breeding heat-preservation livestock building

Abstract

The invention discloses an energy-saving air interchanger device for an on-scale breeding heat-preservation livestock building. The device is characterized by consisting of an air outlet 2, a draft fan 3, a fresh air inlet 4, hot air exchange heat radiation tubes 5, a fresh air pipeline 6, an air inlet device 7, an air inlet 8, an exhaust tube 9 and heat radiation fins 10, wherein the air outlet 2is positioned in an outer wall at one end of heat-preservation livestock building 1; one end of the draft fan 3 is connected with the air outlet 2; the other end of the draft fan 3 is connected witha plurality of hot air exchange heat radiation tubes 5; the plurality of the hot air exchange heat radiation tubes 5 are inserted into the fresh air pipeline 6 from the fresh air inlet 4 and uniformlydistributed; spiral heat radiation fins 10 are arranged on the outer sides of the plurality of the hot air exchange heat radiation tubes 5; the other ends of the plurality of the hot air exchange heat radiation tubes 5 with the plurality of the heat radiation fins 10 are connected with the exhaust tube 9; one end of the fresh air pipeline 6 is connected with the fresh air inlet 4; the other end of the fresh air pipeline 6 is connected with the air inlet device 7; the air inlet device 7 is connected with the air inlet 8; the fresh air pipeline 6 is U-shaped and is deeply buried below an tundralayer of the ground.

Description

technical field [0001] The invention relates to an energy-saving ventilation device for large-scale breeding and heat-retaining livestock and poultry houses, belonging to the field of agriculture, animal husbandry and breeding. Background technique [0002] At present, my country's agriculture, animal husbandry and breeding industry is shifting to the north, and there is a trend of super-large-scale development. In the Northeast, Inner Mongolia, Xinjiang and other northern regions, super-large-scale farms with an annual production of 3 million and 4 million heads of livestock and poultry are more common. Because the north is in the severe cold region of our country, the temperature difference between the inside and outside of the livestock and poultry house is extremely large. The temperature of the livestock and poultry house suitable for the growth of livestock and poultry is 20 ° C ~ 26 ° C, lower than 15 ° C or higher than 30 ° C, the growth of livestock and poultry is qu...

AI Technical Summary

Problems solved by technology

However, because the livestock and poultry house is too sealed, the air in the livestock and poultry house will be dirty and harmful. The dirty and harmful air mainly comes from the excrement of the livestock and poultry. It must be ventilated regularly and quantitatively. Because the outdoor temperature in winter in the north is between minus 20 When the temperature is above 30°C, with the progress of ventilation, the dirty and harmful hot air in the livestock and poultry house will be discharged out of the livestock and poultry house, and the heat energy in the discharged hot air will be wasted in vain. The air is sucked into the livestock and poultry house, causing the temperature of the livestock and poultry house to drop too much. At this time, in order to increase the temperature of the livestock and poultry house, the only way is to increase the heating supply to make it reach the suitable temperature for the growth of livestock and poultry, which increases the cost

In addition, due to the ventilation, the temperature of the livestock and poultry houses fluctuates greatly and frequently, which easily leads to colds and illnesses in livestock and poultry.

On the contrary, in the hot summer, even in Northeast China, the temperature outside the livestock and poultry house is higher than the temperature inside the livestock and poultry house, and the hot air entering the livestock and poultry house will increase the temperature of the livestock and poultry house. The usual practice is, Set a water curtain at the air inlet to cool the incoming air through the water curtain, but this increases investment costs and wastes water resources and power consumption

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