Patent · US Expired

Apparatus for fumigating waste waters

US5213717A · kind A · utility

0Cited by

7References

15Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Wilhelm P. Doppelfeld · Euskirchen, DE
Werner Pieper · Kerpen, DE
Wilhelm Giechau · Hürth, DE
Hilmar Roszinski

Key dates

Filing date	Feb 14, 1992
Grant date	May 25, 1993
Priority date	—
Expiry date	Feb 14, 2012

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W10/10
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

An apparatus is provided for fumigating waste waters in a fumigation tank with fumigation enclosures (gas manifolds which are situated in parallel next to one another and at a distance from one another and rest horizontally, in whose upper sides gas outlet openings are situated and whose undersides are open, wherein mobile rotation bodies rotated by gas flow are situated for cleaning purposes in the gas outlet openings 13 of the fumigation enclosures 14 and the gas outlet openings 13 each have, in a known manner, a central countersunk section 12 enclosing an angle .alpha. of, for example, 90 to 180.degree. underneath and the remaining wall thickness 15 of the gas outlet opening 13 of each countersunk section 12 amounts to 0.5 to 2 mm. The rotation body according to the invention may comprise a top section 1 and a base section 3 which are joined to a neck section 2.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.