A Closed Ventilation System for Anti-cross-infection Livestock and Poultry House

Abstract

The invention relates to a closed livestock and poultry house ventilation system for preventing cross-infection. The air system includes an air supply fan connected to the outside of the livestock and poultry house; the air supply end of the air supply fan is connected to one end of the main air supply duct, and the other end of the main air supply duct is connected to a plurality of branches arranged in parallel on the roof and arranged along the length direction. The side wall of the branch air supply pipe is provided with an air outlet; the return air system includes a return air fan connected to the outside of the livestock and poultry house, and one end of the return air fan is connected to one end of the main return air duct. The other end of the return air duct communicates with two branch return air ducts arranged in parallel at the lower part of the two side walls and arranged along the length direction; the side walls of the branch return air ducts are provided with exhaust holes. Since the present invention is provided with an air supply system in the poultry house and a return air system in the lower part of the side wall, clean air can enter from the upper part and dirty gas can be discharged from the lower part, effectively preventing crossing of germs in the vertical and horizontal directions of the livestock and poultry house. Infect.

Description

technical field [0001] The invention relates to a ventilation system, in particular to a closed livestock and poultry house ventilation system for preventing cross-infection. Background technique [0002] In order to make better use of the production capacity of poultry and livestock, it is usually necessary to carry out reasonable ventilation in hot and cold seasons to improve the hot and humid environment and air quality of livestock and poultry houses. The existing ventilation methods of livestock and poultry houses mainly adopt natural ventilation and mechanical ventilation. Among them, the mechanical ventilation mainly adopts longitudinal negative pressure ventilation and horizontal and vertical mixed ventilation. In large and medium-sized livestock and poultry houses, in order to prevent the invasion of germs outside the house and maintain a relatively controllable breeding environment and modern breeding conditions in the house, a fully enclosed livestock and poultry...

AI Technical Summary

Problems solved by technology

However, this ventilation method not only consumes a lot of energy and has low ventilation efficiency, but also causes stress reactions in poultry and livestock if the air and temperature distribution in the house is not uniform during ventilation.

Moreover, if the length of the longitudinal ventilation is longer, the dirty air will spread in the house with the air flow, causing cross-infection of pathogens in poultry and livestock

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