A WATER PURIFICATION APPARATUS HAVING MANY FUNCTIONS

Title:

A WATER PURIFICATION APPARATUS HAVING MANY FUNCTIONS

Document Type and Number:

WIPO Patent Application WO/1998/052878

Kind Code:

A1

Abstract:

This invention relates to a water purification apparatus having many uses. It comprises a main member in the form of tube. Said tube is vertically provided within a tank. The top open of the tube is connected to a suitable elbow. An air stone is disposed within the tube. The air stone is connected with an outer air pump by means of an air inlet tube. The apparatus also comprises a vessel. The outlet of elbow is adapted to extend to the top of the vessel. The interior of the vessel is filled with suitable filter. An outlet is attached to the bottom of the vessel. The apparatus can be operated with low cost. High level of dissolved oxygen and good effect of filtration can be obtained by operating the apparatus of the invention.

Inventors:

CHEN CHENGRUI (CN)
ZENG WANGXI (CN)

Application Number:

PCT/CN1997/000049

Publication Date:

November 26, 1998

Filing Date:

May 19, 1997

Export Citation:

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Assignee:

CHEN CHENGRUI (CN)
ZENG WANGXI (CN)

International Classes:

A01K63/04; B01D24/00; B01D35/027; C02F1/00; C02F1/68; C02F1/74; C02F3/06; (IPC1-7): C02F1/68; A01K63/04; B01D24/12; C02F1/00

Domestic Patent References:

WO1990014002A1

1990-11-29

Foreign References:

US3151069A	1964-09-29
US3477580A	1969-11-11
US3006476A	1961-10-31
US3333701A	1967-08-01
CN2229139Y	1996-06-19
US3261471A	1966-07-19
CN2166589Y	1994-06-01

Other References: