摘要
为解决新疆南疆地区林果园鸡舍使用过程中结构不完善、冬季封闭饲养通风困难等问题,研究结合饲养情况对鸡舍围护结构、底网载荷参数及冬季最小风口进行优化。结果显示:鸡舍建设过程中外围护结构保温层材料至少为8 cm带夹层彩钢板,底网网孔尺寸为≤40 mm,增加6根加强横梁,形变量可控制在0.4 cm内,可有效避免底网凹陷发生滞蛋现象;对鸡舍有害气体进行测量与CFD(计算流体力学)仿真分析显示,在密闭鸡舍内上层气体浓度与温度变化呈正相关,舍内气体浓度较高且扩散速率较快的1.7 m高度,近壁面区域开设通风口最佳,可使鸡舍内气体低浓度且接近于均匀分布。研究为林果园养鸡的规范化设计提供了理论依据。
In order to solve the imperfect structure and ventilation of closed feeding in winter in the use of forest orchard henhouse in southern area of Xinjiang, the enclosure structure, the load parameters of the bottom network and the minimum air inlet in winter were optimized combined with the feeding situation. The main reference data in the construction process of the henhouse were as follows: The color steel plate with interlayer was at least 8 cm, the bottom net should be controlled within 0.4 cm by adding 6 strengthened beams, which effectively avoided the egg stagnation in the bottom;The measurement and CFD simulation analysis of harmful gases in the henhouse showed that the upper gas concentration in the closed henhouse was positively correlated with the temperature change, at 1.7 m height with high concentration and fast diffusion rate, the opening of air vent near the wall area was the best, which could make the low concentration gas evenly distributed in the henhouse. This study provided a theoretical basis for the standardized design of henhouse for forest orchard.
作者
张宝安
张学军
史增录
黄爽
周鑫城
白圣贺
ZHANG Baoan;ZHANG Xuejun;SHI Zenglu;HUANG Shuang;ZHOU Xincheng;BAI Shenghe(College of Mechanical and Electrical Engineering,Xinjiang Agricultural University,Urumqi,Xinjiang 830052;Key Laboratory of Xinjiang Agricultural Engineering Equipment Innovation Design,Urumqi,Xinjjang 830052;State Key Laboratory of Soil Plant Machine System Technology,Chinese Academy of Agricultural Mechanization Sciences,Beijing 100020)
出处
《中国家禽》
北大核心
2021年第6期53-60,共8页
China Poultry
基金
新疆维吾尔自治区农业科技推广与服务项目(L)(2219-38DI)。
关键词
林果园鸡舍
外围护结构
底网
气流组织
CFD
通风口
forest orchard henhouse
peripheral structure
bottom net
air distribution
CFD
air vent
作者简介
张宝安(1993-),男,硕士,研究方向为家禽装备设计与禽舍环境,E-mail:2477349431@qq.com;通讯作者:张学军(1966-),男,博士,教授,主要从事农业机械化装备研究,E-mail:tuec@163.com。
