WASTEWATER FILTERING UNIT IN GREY WATER SYSTEM

摘要

PURPOSE: A waste water filtering unit in grey water system is provided, which is characterized in that all the generated waste water within a residence boundary is collected into a filtration tank to be filtered, and the treated water is recycled for the residential water-supply. Therefore, a considerable amount of water is saved. CONSTITUTION: A waste water filtering apparatus (1) comprising a water storage tank (2)which collects waste water transferred from a circulation pump (6), a filter (4) which purifies collected waste water being installed at the bottom part of the storage tank, and a fresh water tank (3) which stabilizes purified water is installed on the top of the house or apartment. The filter (4) is composed of two casings (12, 13). The first filtering net (15) and the second filtering net (16) are used for remove suspended solids, and the third filtering net (17) which is made of sponge or non woven fabric is installed to remove soap bubbles. An outlet (20) is installed to discharge water, and the bottom is inclined to opposite direction so that settled matters can not be passed through the outlet (20). A valve (22) located in the end of the bottom plate (21) is used for control the flow of water during back washing.