Coal slag filtering device for pre-treating oily wastewater
The utility model relates to a coal slag filtering device for pre-treating oily wastewater, which is applicable to wastewater treatment. The coal slag filtering device comprises a filtering tank, a liquid supernatant discharging opening, a switching valve, a filtering groove and a water outlet valve...
Saved in:
Main Authors | , , , |
---|---|
Format | Patent |
Language | Chinese English |
Published |
26.06.2013
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | The utility model relates to a coal slag filtering device for pre-treating oily wastewater, which is applicable to wastewater treatment. The coal slag filtering device comprises a filtering tank, a liquid supernatant discharging opening, a switching valve, a filtering groove and a water outlet valve, wherein the liquid supernatant discharging opening is formed in the filtering tank; the filtering tank is communicated with the filtering groove through the switching valve; and the water outlet valve is arranged in the filtering groove. The coal slag filtering device further comprises a coal slag layer and a perforated separation plate; a perforated steel plate is provided with a plurality of filtering holes; the coal slag layer is arranged at one side, which is close to the filtering tank, of the filtering groove; and the perforated separation plate is arranged in the filtering groove to separate the coal slag layer from a runner. Compared with the prior art, the coal slag filtering device has the advantages an |
---|---|
Bibliography: | Application Number: CN20122722693U |