猪舍环境控制

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,猪舍环境控制,溫度對生長之影響,增重,換肉率,1.0,0.5,kg,每日增重,4,3,2,10 20 30,溫度,173,時生長最快,25,時換肉率最佳,不同温度下生长速度,平均,活重(kg),气 温（相对湿度50%）,4,10,16,21,27,32,38,45,0.62,0.72,0.91,0.89,0.64,0.18,70,0.58,0.67,0.79,0.98,0.83,0.52,-0.09,90,0.54,0.71,0.87,1.01,0.76,0.4,-0.35,115,0.5,0.76,0.94,0.97,0.68,0.28,-0.82,低于最适温度时育肥猪的饲料消耗,每比临界温度低一度，则一头成长猪每天损失的活重为,10-12g.1C的差距造成每头猪生长期必须额外花费1.00的饲料成本。,功能各异的猪舍温度监控系统,猪舍风机,设备价格,设备,价格,T4C,1000,T401C,2100,六档温控器,TC5-2V4SA,4600,MC-34H-2A,8,700,马达,230,伏,CL-75A-1,6,480,MC32,4100,通风小窗,540,Axial 4E50-Q 18英寸,4700,Axial,FC0,63-6EQ 24英寸,3300,Air-Master 50寸风机,3700,18寸谷瑞进口风机,4000,24寸谷瑞进口风机,5200,36寸谷瑞进口风机,7400,50寸谷瑞进口风机,5000,54寸谷瑞进口风机,6500,谷瑞国产风机,2100,蒙特36风机,2700,蒙特50风机,2800,华罗24寸风机,850,3000*1800*150水帘,1307.7,PVC管及水泵,1100,水箱,700,房顶进风口,140,猪舍设备价格汇总,猪舍类别,风机,水帘,温控器,附属设备,水管、水箱控制箱、进风口等,合计,伊川分娩舍,38800,2600,2000,3200,46600,伊川育肥舍,24100,4000,2000,3200,33300,义马育肥舍,4000,2600,1000,2000,9600,伊川分娩舍通风系统清单,设备类型,数量,价格,金额,18寸风机,1,4000,4000,24寸风机,1,5200,5200,36寸风机,4,7400,29600,水帘,2,1300,2600,温控器,1,2000,2000,水管,1,500,500,水泵,1,600,600,水箱,1,700,700,房顶进风口,10,140,1400,合计,46600,二场分娩舍通风系统清单,设备类型,数量,价格,金额,24寸风机,2,3300,6600,36寸风机,1,2700,2700,水帘,2,1300,2600,水管、水泵,1,400,400,通风小窗,10,540,5400,马达,1,6480,6480,MC34,1,8700,8700,合计,32880,阶段,最适温度,适应范围,0-2天内仔猪,34,32-36,3-7天仔猪,32,30-32,2周龄仔猪,28,28-30,3周龄仔猪,26,26-28,4周龄仔猪,24,24-26,4周龄断奶仔猪,28*,26-28*,保育期,24,21-27,25-60kg生长猪,20,16-24,60-100育肥猪，怀孕母猪,18,14-22,哺乳母猪,16,12-21,种公猪,16,12-22,不同猪群的最适温度,温度适中范围,如图所示,当小猪被移动远离母亲时必须增加温度,，减少接触以避免传染疾病。,通风参数 M,3,/h,类别,冬季,春秋,夏季,哺乳母猪,34.0,135.8,849.0,保育猪,5.1,25.5,59.4,育肥猪,11.9,59.4,203.8,妊娠母猪,20.4,67.9,254.7,断奶母猪,23.8,84.9,509.4,公猪,23.8,84.9,509.4,Tunnel Ventilation,Air Inlets/Evaporative Cooling Pads,in end wall and/or side walls,Exhaust fans in end,wall and/or side walls,Air flows along building,like a wind tunnel,Cross-Sectional,Area,A,Tunnel Ventilation,Air Velocity,V,Fan Capacity for Tunnel Ventilation,不同猪群风速（m/s),猪群类别,夏季风速,冬季风速,哺乳母猪,0.75,0.15,保育猪,0.9,0.15,育肥猪,1.5,0.15-0.2,妊娠母猪,1.5,0.2,断奶母猪,2,0.2,公猪,2,0.2,通风的计算,猪舍风速=总通风量/横截面积,水帘风速=总通风量/水帘面积,100mm水帘过帘风速=1.5m/s,150mm水帘过帘风速=2.0m/s,不同风速体感温度,fpm,50,100,150,200,250,300,350,400,450,500,m/s,0.3,0.5,0.8,1.0,1.3,1.5,1.8,2.0,2.3,2.5,风速计算实例,设备的使用与维护,档位,启动温度,档位差动,备选1,备选2,设定温度,20,22,18,1档纵向或横向,22,2,24,20,2档纵向,24,2,26,22,3档纵向或水帘,26,2,28,24,4档空余或水帘,28,2,26,横向风机必须安装于第一档，纵、横向风机不能同时启动,冬季通风，对分娩舍、保育舍、育肥舍等对风速比较敏感的猪群，必须安装变速风机或加装变频器控制风速。为保证风机百叶可以打开，冬季变频器不能低于30HZ，即风速不低于正常风速的60%,为保证冬季均衡换气，风机循环启动周期不得超过600秒，以300秒为宜，风机运行时间需根据循环周期、猪群类别、速度设置等进行计算后，适当设定,夏季通风必须确保所有门窗关闭，水帘是唯一的进风口,风机运行过程中不应有杂音，如有杂音可能是因皮带松动、电机位置不正或扇页不平衡，应及时向电工或上级汇报,皮带松动可以降低通风效率20%,百叶、扇叶过脏可以降低通风效率40%,风机的使用,温控器设定,基础设定,差动设定,最小通风设定,风速设定,纵横向设定,最高最低温度查看,Electrical Systems,Prevent excessive voltage drops,Drop from service entrance and fan motors should be 5 to 10 volts,5%or 12 V from meter to fan motor,Fan motors on two buildings were operating up to 16%below 230 V.,Long wires may cause high voltage drop.,Use large enough wires,e.g.#4 wire.,选择合适的电线,Worn,Belt,New Belt,Belt Wear,水帘的使用与维护,冬季水帘用幕帘布遮挡保护，但必须为冬季通风开启侧墙或屋顶进风口,进入冬季需将水帘水泵保存于仓库，不得留在水帘水池或水箱内,夏季通风必须确保所有门窗关闭，水帘是唯一的进风口,为了避免水帘生长苔藓，必须将水帘安装于风机最后启动档位，保证水帘有充分的干燥时间,每两周清理一次水帘水池或水箱，确保水池和水质的清洁，延长水帘的使用年限,根据水质，每周清理一次或两次过滤器，确保水帘进水通畅，水泵不受损坏,当水帘滴水不均，有干燥区域出现时，需及时清洗水帘进水管、滴水管,水帘向四周滴水时，需及时修整水帘框架，避免水浪费,