The invention provides a self-cleaning filter screen device comprising a shell with an air inlet and an air outlet; a filter screen is arranged in the shell, a cleaning device is arranged on one sideof the filter screen, the cleaning device is in contact with the screen surface of the filter screen, a cleaning driving device capable of driving the cleaning device to slide back and forth is further arranged on the cleaning device, and a spray washing device for spraying liquid to the filter screen is further arranged in the shell; the self-cleaning filter screen device further comprises two doors arranged in parallel, and door driving devices capable of driving the doors to move to open or close the air inlet and the air outlet are arranged on the doors. A blow-off pipe is arranged on thebottom surface of the shell, and a blow-off electric valve is arranged on the blow-off pipe. After the air inlet and the air outlet are closed, the filter screen is cleaned, and sewage can be prevented from entering a ventilation device to cause adverse effects on the ventilation device; and meanwhile, through cooperation of the cleaning device and the spray washing device, dirt on the filter screen can be effectively removed, it can be guaranteed that washing liquid is sprayed to all positions of the filter screen through water mist spray heads on a liquid inlet ring pipe, a spraying blind area is reduced, and the cleaning effect is further improved.
本发明提供一种自清洁滤网装置,包括具有进风口和出风口的壳体,壳体内设有滤网,滤网的一侧设置有清洁装置,该清洁装置与滤网的网面接触,清洁装置上还设有可驱动清洁装置往复滑动的清洁驱动装置,壳体内还设置有向滤网喷洒液体的喷洗装置;自清洁滤网装置还包括并行设置的两个门,门上设有可驱动门运动以打开或关闭进风口与出风口的门驱动装置;壳体底面设有排污管,排污管上设有排污电动阀。本发明关闭进风口与出风口后再清洗滤网,可防止污水进入通风装置对其造成不利影响;同时,通过清洁装置与喷洗装置的配合,可有效清除滤网上的污垢,而进液环管上的细水雾喷头可确保滤网的每一处均被喷射到洗涤液,减少喷淋盲区,进一步提高清洁效果。
Self-cleaning filter screen device
一种自清洁滤网装置
2020-08-07
Patent
Elektronische Ressource
Chinesisch
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