笼养舍与平养舍的纵向工作压力为何不同

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1、隧道通风的禽舍静压一.隧道通风禽舍结构尺寸，i般长宽比10:1.二.隧道通风多为负压式通风，有横向与纵向通风之分三.对于横向通风鸡舍内部的任何位置静压值都相等四.只有纵向通风，沿鸡舍纵向不同位置静压值会有不同值五.横向通风需要时刻关注舍内静压六.纵向通风不需要时刻关注舍内静压，但是可以以此判定设备运行状况七.纵向通风鸡舍静压的组成1.湿帘阻力Howdowedeterminepadarearequiredtokeeptheincomingpressurebelow0.06”？►Withpadstaticpressurecurves515

2、0.10ere)alnssaldsQESVelocity(ft/min)0・254m/snopad—4”—6"2.转换阻力Transitionandpipepressureasafunctionofaveragehouseairspeedft/minm/s500.2541000.5081500.7C22001.0162501.273001.5243501.7784002.0324502.2865002.54英寸水柱帕斯卡000.012.50.0250.037.50.04100.0512.50.06150.0717.50.0820ft/

3、minm/s500.2541000.5081500.7622001.0162501.273001.5243501.7784002.0324502.2865002.545502.7946003.0486503.3027003.5567503.818004.064Transitionpressure单位转换ft/minm/s1000.5082001.0163001.5244002.0325002.54eoo3.0487003.556SOO4.064Airspeed(ft/min)Pressuregain1000.00°200o.oi••3

4、00o.o13M4000.02°5000.03°单位转换英寸水柱帕斯卡000.012.50.0133.250.0250.037.50.04511.250.06150.08201UI3管道阻力()PressurelossforairflowingdowntunnelhouseAirspeed(ft/min)Pressuregainper100*10002000.001”3000.002°4000.0035”5000.006”■英寸水柱帕斯卡000.9010.250.0020.50.00350.8750.0061.50.90820.012

5、30.01641U笼养与平养的区别Staticpressureincreaseper100,oftravel0.040英寸水柱帕斯卡000.0512.50.1250.1537.50.2500.2562.50.3750.3587.50.41000.03530oo50522Iooo•••oooas=0W3SnmerciallayerhouseBroilerhouseAverageairspeed(ft/min)S§SoSSS8§58——rMcmmm寸ss94笼养舍管道阻力1N/Broilerbreederhouses0.04Mto0・08

6、"5整舍阻力鸡舍总压力=湿帘+洞口+纵向+pipe+shutters+windTotalstaticpressure=15帕+2.5帕+7・5帕+5帕+7.5帕=42.5帕►Total=pad+door+funnel+pipe+shutters+wind►=0.06M+0.01”+0・03"+0.02n+0.03"+0.02"6不同尺寸湿帘的风阻Relationshipbetweentunnelinletspeedandstaticpressure英寸水谢帕斯卡000.0230.04100.06150.08200.1250.12300

7、.14350.16400.18450.250286421^6420oooooooo(■)a」nssa」d*13sVelocity(ft/min)o—nopad—4H—2”一6”ft/minm/s500.2541000.5081500.7622001.0162501.273001.5243501.7784002.0324502.2862.547有遮光罩的种鸡舍不同品牌遮光罩压力曲线英寸水柱祐斯卡000.0250.04100.06150.08200.1250.12300.14350.16400.18450.2500.22550.2460f

8、t/minm/s500.2541000.5081500.7622001.0162501.273001.5243501.7784002.0324502.2865002.545502.7946003.0486503.302f