CN113287527B - 一种猪舍除臭换气设备 - Google Patents
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Abstract
本发明属于牲畜养殖技术领域,具体涉及一种改进的猪舍空气治理设备。猪舍空气治理设备包括布置于猪舍内的通风管道和安装于猪舍外的风机,每台风机的出风端均设置喷雾装置,每台风机和其对应的喷雾装置相对独立地启停,并且各台风机相对独立地启停;猪舍空气治理设备还包括除臭消毒一体机,除臭消毒一体机自上游到下游依次包括用户水箱、过滤设备、主机水箱和水泵,水泵的出水端与喷雾装置的进水端相连通。猪舍空气治理设备能够同时实现猪舍的通风和加湿,并且设备能耗相较于传统通风装置而言更低,从而有效改善猪舍内部环境。
Description
技术领域
本发明属于牲畜养殖技术领域,具体涉及一种改进的猪舍除臭换气设备。
背景技术
传统的生猪养殖使用简易猪舍,其饲养密度大,空气循环能力差,并强烈地受到外部自然环境的影响。对此,现有技术(CN201750686U、CN206389965U)提出了各类猪舍用空气循环系统,通过向猪舍内强制鼓风来提供新鲜空气。但是,此类系统在实际使用中,效果并不尽如人意。典型的情况是,为了提高换气效果,需要加大通风量,而这常常导致猪舍内温度降低过度,并且猪舍内较强的空气会将猪粪、尘土等固体颗粒吹散,反而使得猪舍内微观环境恶化;另外,为了避免自然环境中的病菌和灰尘进入猪舍,此类系统一般加装需要定期更换的空气过滤装置,不仅增加了成本,也会迫使风机以更高功率工作,从而增加了能耗。
另一方面,猪舍内部环境的影响因素除了含氧量、通风量和固体颗粒量之外,湿度也是一个重要的因素,其不仅可以改善生猪舒适度,还能吸附粉尘颗粒、避免病菌传播。现有的猪舍空气循环系统仅是单纯地实现通风,而不具有湿度调节功能。现有技术(CN201595060U)中公开了猪舍用被动式加湿设备,其加湿效率天然地低下,并且受猪舍内部温湿度影响、无法人工控制,并不适用于现代化大规模的猪舍所用。
因此,需要一种既能够有效对猪舍空气进行除臭过滤又可有效保持湿度的猪舍换气系统。
发明内容
为解决现有技术中存在的问题,本发明提供了一种能够有效同时解决除臭换气且为猪舍保湿的设备。其主体框架是在猪舍风机排气口下方与安装风机的猪舍侧壁一起形成除臭室。猪舍的一侧墙体上安装多台抽气风机,用于将猪内空气抽出或者在除臭室内形成负压而吸出猪舍内的空气。
除臭室正对风机排气口的侧壁上设置有气体过滤墙体,其上设置除臭结构。该除臭结构由三层结构多孔网装结构叠加组成,内层为多孔网状刚性材料,中间层为过滤层,外层为可向外排出气体但不透水的支撑结构层,其向内一侧上分布规则或不规则的纵向小凹槽。该除臭结构低部设置有集水槽,用于将经过过滤层而向下的水收集排放到废水处理池。
过滤层中填充有过滤滤料,便于喷淋水能够均匀分布到过滤层使过滤滤料均匀湿润。除臭结构外侧向内对应位置处设置有布水管,其上设有喷头,以均匀的向除臭结构喷雾淋水。水经过螺旋喷嘴通过与连续变小的螺旋面相切和碰撞后,变成微小的液珠喷出而形成雾状,并持续对聚丙烯海绵网(从室内出来的气体可穿过海绵网)进行洒水。
该通风除臭装置工作时,一方面基于水对于部分臭味气体的物理吸收作用,和聚丙烯填料对粉尘颗粒的惯性碰撞和拦截产生的物理捕集作用,海绵网可增加输出气体与水的接触时间并有助于氨气从气体转变成液体(从NH3向NH4过渡);另一方面基于附着在PP填料和悬浮于水中微生物群落对最终溶解到水中的臭味物质的生物降解作用,即通过喷淋湿润的过滤层,吸收并粘附废气中的颗粒、氨气等,因而能够有效的解决了猪舍除臭换气的问题,并且实现猪舍内湿度的有效控制。此外,在废水处理池中通过吸附材料的处理,进一步净废水,提高废水处理效果,更易于达到排放标准。
附图说明
图1为猪舍除臭换气设备结构总体示意图。
图2为除臭结构的支撑结构层(外层)内侧示意图
附图标记对应的技术特征如下:1.抽气风机、2. 猪舍、3. 过滤墙体、4. 布水管、5. 喷头、6. 集水槽、7. 废水处理池、8. 喷淋设备、9. 排水口、10.补水口、11纵向小凹槽、12、集水槽向废水处理池的排水口。
具体实施方式
下面将结合本发明的实施例,对本发明的技术方案进行清楚、完整地描述。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
本发明的猪舍除臭换气设备主要由三部分组成,喷淋设备8、过滤墙体3及废水处理池7。参见图1,一般封闭性猪舍,其抽气风机1通常安装于猪舍一侧墙壁,用于将猪内空气抽出或者在除臭室内形成负压而吸出猪舍内的空气。如图1所示,喷淋设备8包括布水管4和喷头5,布水管4应通过框架设置于除臭室中,且布水管4走向应尽量接近除臭室内壁,尽量减小风阻。布水管4一端与废水处理池7相连通,且位于废水处理池接近水面的水平高位。另一端直立,与过滤墙体3相平行。布水管4的直立部分均匀分布有喷头5,喷头5方向应面对过滤墙体3,便于喷淋水能够均匀分布到过滤墙体3上,喷头材质为PVC或PE材质,该材料强度高同时具有耐腐性。过滤墙体3上设置有除臭结构。除臭结构由三层多孔网状结构叠加组成,内层为多孔网状刚性材料(其上分布均匀的微孔),中间层为过滤层,外层为可向外排出气体的支撑结构层,除臭结构的过滤层中填充有过滤滤料。过滤主体滤料为聚丙烯原料,滤料厚度450mm,比表面积≥200㎡/m³,滤料处风速约1m/s时负压增加30Pa左右,具有抗UV性能,不易堵塞。
除臭结构的外层为可向外排气但不透水的支撑结构层,其向内一侧上分布规则或不规则的纵向小凹槽11,除臭结构底部设置有集水槽6,通过集水槽向废水处理池的排水口12将经过过滤层而向下回流的水收集排放到废水处理池7中。废水处理池7在接近池底处设有排水口9,在布水管4于废水处理池7连通口的水平面另一侧设有一个补水口10。废水处理池7配备有在线水质及管线压力监测系统和水位监测系统。抽气风机1、喷淋设备8和废水处理池7各端口均可通过控制系统独立启停。
在具体的使用过程中,当猪舍内的空气质量达到一定的界限值后,抽气风机1开启后,同时喷淋设备8,使除臭结构被均匀喷湿后,抽气风机1将猪舍内的废气抽出至本除臭换气设备中,废气经过过滤墙体3时,废气得以净化后排出。过滤墙体3中受重力作用向下留出的废水经过集水槽6流入废水处理池7。
废水处理池7配备有除臭消毒设备,例如四周及底部分布置吸附材料,中间设置搅拌结构,以对废水处理池7中的水体进行除臭消毒,使其能够循环利用。当废水处理池7的在线水质监测系统显示水质可再利用且水位监测系统提示水位够高时,布水管4与废水处理池相连通的一端开启,废水通过水泵作用进入喷淋设备8进行循环利用。如果在线水质监测系统提示水质过差则开启排水口9排水。当水位监测系统提示水位不够时,则通过补水口10进行补水。循环喷淋系统中设置高精度过滤及自清洗措施,和管线压力检测联动,可自动清洗并和保证悬浮物及时去除;根据猪舍面积的大小和养殖密度,整组除臭换气设备数量应进行相应的增加或减少。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应以所述权利要求的保护范围为准。
Claims (2)
1.一种猪舍除臭换气设备,包括猪舍侧壁、周向壁,设置在猪舍侧壁上的抽风机(1),所述猪舍侧壁以及所述周向壁形成了除臭室,其特征在于:该设备还包括喷淋设备(8)、过滤墙体(3)以及废水处理池(7),所述喷淋设备包括布水管(4)和朝向过滤墙体的喷头(5),所述布水管(4)一端设置在所述除臭室内,另一端连通所述废水处理池(7);所述过滤墙体(3)设置在除臭室相对猪舍侧壁的另一侧,所述废水处理池(7)设置在过滤墙体(3)侧的除臭室的底部;所述过滤墙体(3)上设置有除臭结构,所述除臭结构由三层多孔网状结构叠加组成,内层为多孔网状刚性材料,中间为过滤层,外层为可向外排气但不透水的支撑结构层,其向内一侧上分布规则或不规则的纵向小凹槽(11);
所述喷头均匀分布在所述布水管(4)直立部分,所述布水管(4)的直立部分与所述过滤墙体(3)平行设置;各布水管间的距离与同一布水管上的喷头间距相同,使得喷雾水能够均匀喷向所述除臭结构;
在所述除臭结构底部设置有集水槽(6),经过所述过滤层过滤后的水经过支撑结构层上的纵向小凹槽将水引入所述集水槽(6),通过集水槽(6)向废水处理池(7)的排水口(12)将经过过滤层而向下回流的水收集排放到所述废水处理池(7)内;
所述废水处理池(7)内四周布置吸附材料,中部设有搅拌结构;
除臭结构的过滤层中填充有过滤滤料;所述过滤层为聚丙烯填料;
所述废水处理池(7)内四周布置吸附材料是活性炭、焦炭、黄化煤、硅藻土、铝矾土、矿渣、硅胶或吸附树脂;
还包括在线水质和管线压力检测系统和水位检测系统,通过上述两个系统实现所述抽风机(1)、所述喷淋设备(8)以及所述废水处理池(7)各端口独立启停。
2.如权利要求1所述的猪舍除臭换气设备,其特征在于:所述过滤层是聚丙烯海绵网。
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