Allotypical diffusion cover of aerator

The utility model relates to a diffusion cover of aerator used in sewage biochemical treatment belonging to environmental protection field, which is characterized in that: the diffusion cover is a reverse tapered cover body with the edge being of curvilinear special-shaped boundary; the external sid...

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Bibliographische Detailangaben
1. Verfasser:	XUMING XING
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	The utility model relates to a diffusion cover of aerator used in sewage biochemical treatment belonging to environmental protection field, which is characterized in that: the diffusion cover is a reverse tapered cover body with the edge being of curvilinear special-shaped boundary; the external side face of the cover body is provided at intervals with a plurality of circles of conical triangular reverse teeth. By use of the principle that special-shaped boundary is bigger than round boundary under identical diameter, the diffusion cover of aerator adopts curvilinear abnormity to increase up-flow diffusion outlet and area and to improve diffusion efficiency; meanwhile, compared with the round boundary, the up-flow diffusion outlet and area of curvilinear special-shaped boundary of the diffusion cover of aerator is substantially increased.