CN113788540B - 浸没式主动红外自清洗二沉池污泥层感应装置及方法 - Google Patents
浸没式主动红外自清洗二沉池污泥层感应装置及方法 Download PDFInfo
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Abstract
本发明公开了一种浸没式主动红外自清洗二沉池污泥层感应装置及方法,包括上下连接且形成相连通内腔的上套筒和下套筒、位于上套筒内壁且相对设置的一组红外发射器和红外接收器、环贴于红外发射器和红外接收器前侧的透明硬质环以及可在内腔中上下活动且用于清洗透明硬质环的推杆组件,所述上套筒上设有出泥孔和位于出泥孔下方的出水孔,所述下套筒的内腔设有用于穿设推杆组件的承托板,其中承托板下方为清水腔,清水腔上设有进水孔和通过清洗弯管与出水孔相连的上水孔,承托板上方为具有进泥孔的进泥腔。本发明感应装置可长期布置在在水面以下,稳定可靠,制造成本低,可实现二沉池泥位精准控制,大幅提高污水处理效能。
Description
技术领域
本发明涉及二沉池污泥层感应装置,尤其涉及一种浸没式主动红外自清洗二沉池污泥层感应装置及方法。
背景技术
二沉污泥回流泵电耗约占污水处理厂总电耗的15%。大部分污水处理厂恒定流量进行污泥回流,即固定回流比。固定回流比产生过量或回流不足的问题。回流过量导致较高浓度溶解氧的清液回流到前端厌氧池,破坏厌氧池厌氧功能,回流不足导致二沉池泥位过高,出水悬浮物浓度过高,它们都会导致污水处理厂运行效能下降。
市场上的超声波泥位计由于在水面上方探测水下泥位效果差。有可见光泥位沉没在水底,由于没有很好解决纤维缠绕,细微沙粒刮花透光体,镜头上生长生物膜等问题,还有制造成本高,易受自然光干扰等问题,目前不宜长期放在水底。为保证二沉池高效运行,急需可以浸没在液面以下,制造成本低,能长期稳定得的探头。
因此,亟待解决上述问题。
发明内容
发明目的:本发明的第一目的在于提出一种浸没式主动红外自清洗二沉池污泥层感应装置,该感应装置可长期布置在在水面以下,稳定可靠,制造成本低,可实现二沉池泥位精准控制,大幅提高污水处理效能。
本发明的第二目的是提供该浸没式主动红外自清洗二沉池污泥层感应装置的使用方法。
技术方案:为实现以上目的,本发明公开了一种浸没式主动红外自清洗二沉池污泥层感应装置,包括上下连接且形成相连通内腔的上套筒和下套筒、位于上套筒内壁且相对设置的一组红外发射器和红外接收器、环贴于红外发射器和红外接收器前侧的透明硬质环以及可在内腔中上下活动且用于清洗透明硬质环的推杆组件,所述上套筒上设有出泥孔和位于出泥孔下方的出水孔,所述下套筒的内腔设有用于穿设推杆组件的承托板,其中承托板下方为清水腔,清水腔上设有进水孔和通过清洗弯管与出水孔相连的上水孔,承托板上方为具有进泥孔的进泥腔;工作状态下当污泥从进泥孔进入内腔,红外接收器接收到红外发射器所发射红外线时,红外接收器输出第一信号;污泥遮挡透明硬质环并挡住红外发射器所发射红外线时,红外接收器输出第二信号;清洗状态下当清水从进水孔进入清水腔,清水推动推杆组件上移,清水从上水孔进入弯管从出水孔喷出,在水流作用下推杆组件擦洗透明硬质环。
其中,所述推杆组件包括工字型推杆和位于工字型推杆上表面且可自由滚动的清洗球,工字型推杆包括自下而上依次设置的底板、支撑杆和轨道槽,其中支撑杆穿过承托板,轨道槽的上表面具有与清洗球相适配的弧面。
优选的,所述清洗球为表面均布有若干个凸点的橡胶球。
再者,所述出水孔处清洗弯管的出口方向与上套筒管壁相切。
进一步,所述进水孔位于清水腔的底部,进水孔上连接有进水弯管,进水弯管上设置有带阀门控制器的电动阀门。
再者,所述透明硬质环为硬度大于砂粒的透明刚玉环。
优选的,所述下套筒的底部连接有用于维持套筒轴心与水平面垂直的竖直牵引重物。
进一步,所述红外接收器与污泥回流泵控制器相连,当红外接收器输出第一信号至污泥回流泵控制器,污泥回流泵控制器控制污泥回流泵不启动,当红外接收器输出第二信号至污泥回流泵控制器,污泥回流泵控制器控制污泥回流泵启动。
再者,所述进泥腔上对称设置有4个圆形的进泥孔,所述上套筒的侧壁上部设置有两个相对的U形出泥孔。
本发明一种浸没式主动红外自清洗二沉池污泥层感应装置的使用方法,包括如下步骤:
在工作状态时,当二沉池泥位较高时,污泥从下套筒的进泥孔进入,并充满整个内腔,从出泥孔流出,污泥会遮挡红外线,红外接收器接收不到红外线,输出低电平信号,低电平信号输送给回流污泥泵控制器,回流污泥泵控制器控制污泥泵开启;当污泥逐渐减少,污泥会从进泥孔流出,清液充满内腔,红外发射器发射的红外线没有污泥的遮挡,红外接收器接收到红外线,红外接收器输出高电平信号,高电平信号输送给回流污泥泵控制器,回流污泥泵控制器控制污泥回流泵不启动;
在清洗状态时,在红外接收器输出高电平信号状态下,阀门控制器控制电动阀门定时开启,开启后水流通过进水弯管从进水孔流入,并冲击工字型推杆的底板,使工字型推杆上移,并堵住承托板的开孔,此时清水腔水体压力大于外界压力,承托板的开孔被堵住,清洗球被上推至设定位置,清水腔的清水从上水孔进入清洗弯管并从出水孔喷出,水流流出方向与上套筒内壁相切,上套筒内腔的水流呈旋转状态,清洗球被水流带动擦洗透明硬质环,进入内腔的水流从出泥孔和进泥孔流出;当清洗结束后,电动阀门关闭,清水腔压力逐渐与外界持平,工字型推杆和清洗球在重力作用下,掉落至初始状态,清洗过程结束。
有益效果:与现有技术相比,本发明具有以下显著优点:
本发明采用成本较低的红外发射管和红外接收管提高可靠性和降低制造成本,同时红外发射管和红外接收管封装在上套筒内,可以长期放置在水面以下稳定运行;本发明采用刚玉透明环的高硬度最大程度避免透光体在清洗时被高速运动的砂粒刮花;本发明自清洗时通过下套筒内水流推动推杆组件上移到所需位置,下套筒的清水腔内的水流进入清洗弯管,切向进水带动形成旋转水流推动带凸点清洗球的在透明刚玉环内壁擦洗,擦洗完成清水关闭后,推杆组件由于重力作用下落,实现了清洗球在红外传感器工作时不遮挡红外线,使用清洗球避免了被污水中纤维缠绕的问题;本发明可长期布置在在水面以下,稳定可靠,制造成本低,通过二沉池泥位精准控制,回流比实时变化,解决了固定回流比产生过量或回流不足的问题,大幅提高污水处理效能。
附图说明
图1为本发明的结构示意图;
图2为本发明的剖视图;
图3为本发明中上套筒内部俯视图;
图4为本发明中上套筒的剖视图;
图5为本发明中下套筒和推杆组件的结构示意图;
图6为本发明中工字型推杆的结构示意图;
图7为本发明中工作状态下的示意图;
图8为本发明中清洗状态下的示意图。
具体实施方式
下面结合附图对本发明的技术方案作进一步说明。
如图1和图2所示,本发明一种浸没式主动红外自清洗二沉池污泥层感应装置,包括上套筒1、下套筒2、红外发射器3、红外接收器4、透明硬质环5、推杆组件、承托板201和竖直牵引重物11。
如图3和图4所示,本发明上套筒1的侧壁上部设置有两个相对的U形出泥孔101,在两个相对的U形出泥孔101下方设置有出水孔102,出水孔102上连接有清洗弯管6的一端,清洗弯管6出口方向与上套筒1管壁相切,从清洗弯管6射出的切向水流可以推动上套筒1内腔水流旋转运动。一组红外发射器3和红外接收器4相对设置于上套筒1内壁,封装在上套筒1内,红外发射器3和红外接收器4的前侧环贴有透明硬质环5,透明硬质环5为硬度大于砂粒的透明刚玉环,透明硬质环5将红外发射器3和红外接收器4与外界环境完全隔离,透明硬质环5保护红外发射器3和红外接收器4不被砂粒刮花,避免影响红外光透射效果。
下套筒2的上部内侧有与上套筒1相连接的螺纹,上套筒1和下套筒2通过螺纹连接且形成相连通内腔,下套筒2的底部连接有用于维持套筒轴心与水平面垂直的竖直牵引重物11。承托板201位于下套筒2的内腔中,推杆组件穿设在承托板201上,且推杆组件可在内腔中上下活动且用于清洗透明硬质环5,并实现了推杆组件在红外传感器工作时不遮挡红外线;承托板201将下套筒2的内腔上下分隔,承托板201下方为清水腔202,承托板201上方为进泥腔206,进泥腔206的侧壁上对称设置有4个圆形的进泥孔205,清水腔202的底部设有进水孔203,进水孔203上连接有进水弯管9,清水腔202的侧壁上设有上水孔201,上水孔201上连接有清洗弯管6,清水通过进水弯管9从进水孔203流入清水腔202,再通过上水孔204流进清洗弯管6,并从上套管1的出水孔102流出。红外接收器4与污泥回流泵控制器相连,污泥回流控制器控制污泥回流泵的开启和关闭,进水弯管9上设置有电动阀门10,该电动阀门10上设置有阀门控制器,进水弯管9与清水进水口连接。
本发明工作状态下当污泥从进泥孔205进入内腔,红外接收器4接收到红外发射器3所发射红外线时,红外接收器4输出第一信号,具体第一信号为高电平信号,当红外接收器4输出第一信号至污泥回流泵,污泥回流泵不启动;污泥遮挡透明硬质环5并挡住红外发射器3所发射红外线时,红外接收器4输出第二信号,具体第二信号为低电平信号,当红外接收器4输出第二信号至污泥回流泵,污泥回流泵启动;清洗状态下当清水从进水孔203进入清水腔202,清水推动推杆组件上移,清水从上水孔204进入清洗弯管6从出水孔102喷出,在水流作用下推杆组件擦洗透明硬质环。
如图5和图6所示,本发明的推杆组件包括工字型推杆7和清洗球8,清洗球8位于工字型推杆7上表面且可自由滚动,清洗球8为表面均布有若干个凸点的橡胶球,橡胶球密度大于1.01kg/L,球体上有凸点,提高擦洗效果。工字型推杆7包括自下而上依次设置的底板701、支撑杆702和轨道槽703,其中支撑杆702穿过承托板201,轨道槽703的上表面具有与清洗球相适配的弧面704。
如图7和图8所示,本发明一种浸没式主动红外自清洗二沉池污泥层感应装置的使用方法,包括如下步骤:
在工作状态时,当二沉池泥位较高时,污泥从下套筒2的进泥孔205进入,并充满整个内腔,从上套筒1的出泥孔101流出,污泥会遮挡红外线,红外接收器4接收不到红外线,输出低电平信号,低电平信号输送给回流污泥泵控制器,回流污泥泵控制器控制污泥泵开启;当污泥逐渐减少,污泥会从进泥孔205流出,清液充满内腔,红外发射器3发射的红外线没有污泥的遮挡,红外接收器4接收到红外线,红外接收器4输出高电平信号,高电平信号输送给回流污泥泵控制器,回流污泥泵控制器控制污泥回流泵不启动;
在清洗状态时,在红外接收器4输出高电平信号状态下,此时因没有污泥附着,泥沙影响对透明刚玉环损坏最小;透明刚玉环长期浸泡在水中,表面会有污垢遮挡红外光;阀门控制器控制电动阀门定时开启,开启后水流通过进水弯管9从进水孔203流入,并冲击工字型推杆7的底板,使工字型推杆7上移,并堵住承托板201的开孔,此时清水腔水体压力大于外界压力,承托板201的开孔被堵住,清洗球8被上推至设定位置,清水腔202的清水从上水孔204进入清洗弯管6并从出水孔102喷出,水流流出方向与上套筒1内壁相切,上套筒1内腔的水流呈旋转状态,清洗球8被水流带动擦洗透明硬质环5,进入内腔的水流从出泥孔101和进泥孔205流出;当清洗结束后,电动阀门关闭,清水腔压力逐渐与外界持平,工字型推杆和清洗球在重力作用下,掉落至工作状态,清洗过程结束。
浸没式主动红外自清洗二沉池污泥层感应装置工作时,红外接收器发出信号与污泥回流控制器连接。低泥位时本发明输出高电平信号,阀门控制器通电,只有高电平信号状态下电动阀门才可开启,污泥回流泵在高电平信号状态下是关闭状态,电动阀门开启时,污泥回流泵控制器和本发明感应装置断电。清洗完成时,污泥回流泵控制器和发明感应装置恢复通电。当沉淀池泥位淹没感应装置时,感应装置输出低电平信号,污泥回流泵控制器控制污泥回流泵开启,并延时工作一段时间后关闭。污泥回流泵关闭设定时间后,污泥回流泵控制器接收到高电平信号则不开启,再接收低电平信号则开启,如此往复,维持二沉池泥位在较小范围内波动。
Claims (7)
1.一种浸没式主动红外自清洗二沉池污泥层感应装置,其特征在于:包括上下连接且形成相连通内腔的上套筒(1)和下套筒(2)、位于上套筒内壁且相对设置的一组红外发射器(3)和红外接收器(4)、环贴于红外发射器和红外接收器前侧的透明硬质环(5)以及可在内腔中上下活动且用于清洗透明硬质环的推杆组件,所述上套筒(1)上设有出泥孔(101)和位于出泥孔下方的出水孔(102),所述下套筒(2)的内腔设有用于穿设推杆组件的承托板(201),其中承托板下方为清水腔(202),清水腔上设有进水孔(203)和通过清洗弯管(6)与出水孔相连的上水孔(204),承托板上方为具有进泥孔(205)的进泥腔(206);工作状态下当污泥从进泥孔(205)进入内腔,红外接收器(4)接收到红外发射器(3)所发射红外线时,红外接收器(4)输出第一信号;污泥遮挡透明硬质环(5)并挡住红外发射器所发射红外线时,红外接收器(4)输出第二信号;清洗状态下当清水从进水孔(203)进入清水腔(202),清水推动推杆组件上移,清水从上水孔(204)进入清洗弯管(6)并从出水孔(102)喷出,在水流作用下推杆组件擦洗透明硬质环(5);所述推杆组件包括工字型推杆(7)和位于工字型推杆上表面且可自由滚动的清洗球(8),工字型推杆(7)包括自下而上依次设置的底板(701)、支撑杆(702)和轨道槽(703),其中支撑杆(702)穿过承托板(201),轨道槽(703)的上表面具有与清洗球相适配的弧面(704);所述清洗球(8)为表面均布有若干个凸点的橡胶球,橡胶球密度大于1.01kg/L;所述透明硬质环(5)为硬度大于砂粒的透明刚玉环。
2.根据权利要求1所述的浸没式主动红外自清洗二沉池污泥层感应装置,其特征在于:所述出水孔处清洗弯管(6)的出口方向与上套筒(1)的管壁相切。
3.根据权利要求1所述的浸没式主动红外自清洗二沉池污泥层感应装置,其特征在于:所述进水孔(203)位于清水腔(202)的底部,进水孔(203)上连接有进水弯管(9),进水弯管(9)上设置有带阀门控制器的电动阀门(10)。
4.根据权利要求1所述的浸没式主动红外自清洗二沉池污泥层感应装置,其特征在于:所述下套筒(2)的底部连接有用于维持套筒轴心与水平面垂直的竖直牵引重物(11)。
5.根据权利要求1所述的浸没式主动红外自清洗二沉池污泥层感应装置,其特征在于:所述红外接收器(4)与污泥回流泵控制器相连,当红外接收器(4)输出第一信号至污泥回流泵控制器,污泥回流泵控制器控制污泥回流泵不启动,当红外接收器(4)输出第二信号至污泥回流泵控制器,污泥回流泵控制器控制污泥回流泵启动。
6.根据权利要求1所述的浸没式主动红外自清洗二沉池污泥层感应装置,其特征在于:所述进泥腔(206)上对称设置有4个圆形的进泥孔(205),所述上套筒(1)的侧壁上部设置有两个相对的U形的出泥孔(101)。
7.一种根据权利要求1至6任一所述的浸没式主动红外自清洗二沉池污泥层感应装置的使用方法,其特征在于,包括如下步骤:
在工作状态时,当二沉池泥位较高时,污泥从下套筒的进泥孔进入,并充满整个内腔,从出泥孔流出,污泥会遮挡红外线,红外接收器接收不到红外线,输出低电平信号,低电平信号输送给回流污泥泵控制器,回流污泥泵控制器控制污泥泵开启;当污泥逐渐减少,污泥会从进泥孔流出,清液充满内腔,红外发射器发射的红外线没有污泥的遮挡,红外接收器接收到红外线,红外接收器输出高电平信号,高电平信号输送给回流污泥泵控制器,回流污泥泵控制器控制污泥回流泵不启动;
在清洗状态时,在红外接收器输出高电平信号状态下,阀门控制器控制电动阀门定时开启,开启后水流通过进水弯管从进水孔流入,并冲击工字型推杆的底板,使工字型推杆上移,并堵住承托板的开孔,此时清水腔水体压力大于外界压力,承托板的开孔被堵住,清洗球被上推至设定位置,清水腔的清水从上水孔进入清洗弯管并从出水孔喷出,水流流出方向与上套筒内壁相切,上套筒内腔的水流呈旋转状态,清洗球被水流带动擦洗透明硬质环,进入内腔的水流从出泥孔和进泥孔流出;当清洗结束后,电动阀门关闭,清水腔压力逐渐与外界持平,工字型推杆和清洗球在重力作用下,掉落至初始状态,清洗过程结束。
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