JPH0286618U

JPH0286618U -

Info

Publication number: JPH0286618U
Application number: JP16474888U
Authority: JP
Priority date: 1988-12-19
Filing date: 1988-12-19
Publication date: 1990-07-09
Anticipated expiration: 2003-06-08
Also published as: JPH0522245Y2

Description

[Brief explanation of drawings]

第１図は本考案に係るろ過砂用洗浄装置を示す
斜視図、第２図は第１図における―断面図で
ある。１……ろ過砂投入槽、４……給水管、６……噴
出管、８……ろ過砂吹上げパイプ、９……第１の
汚水分離タンク、１０……導水パイプ、１１……
ろ過砂受け、１２，１６……カサ体、１３……ろ
過砂放出パイプ、１５……第２の汚水分離タンク
、１５ａ……隙間、１７……汚水放出パイプ。 FIG. 1 is a perspective view showing a cleaning device for filter sand according to the present invention, and FIG. 2 is a cross-sectional view taken in FIG. 1. DESCRIPTION OF SYMBOLS 1...Filter sand input tank, 4...Water supply pipe, 6...Blowout pipe, 8...Filter sand blow-up pipe, 9...First sewage separation tank, 10...Water guide pipe, 11...
Filter sand receiver, 12, 16...Umbrella body, 13...Filter sand discharge pipe, 15...Second sewage separation tank, 15a...Gap, 17...Sewage discharge pipe.

Claims

[Scope of Claim for Utility Model Registration] (1) A water supply pipe that is connected to a water supply device and distributes the water sent from the water supply device, and a filter sand input that is opened at both upper and lower ends and formed in the shape of an inverted cone. a tank, and a substantially central portion thereof is connected to the lower end of the filter sand input tank,
A spout pipe whose one end is connected to the water supply pipe, a first sewage separation tank formed in a cylindrical shape with both upper and lower ends open, and a first sewage separation tank provided continuously at the upper end of the first sewage separation tank. 2 sewage separation tank; a filtration sand receiver provided at the inner upper end of the first sewage separation tank and formed into an inverted cone shape with both upper and lower ends opened; A water guide pipe is inserted from the lower part of the water guide pipe and protrudes from the lower end opening of the filter sand receiver, and the other end is connected to the water supply pipe. A filtration sand blow-up pipe provided extending upward from the upper end and having the other end connected to the other end of the ejection pipe; and a filtration sand blow-up pipe provided on the outer periphery of the filtration sand blow-up pipe to cover the upper end of the water guide pipe. a second umbrella body provided with a gap between the first umbrella body and the inner wall of the second sewage separation tank above the interior of the second sewage separation tank;
A cleaning device for filter sand comprising a sewage discharge pipe provided on the upper surface of the second sewage separation tank and a filtration sand discharge pipe provided at the lower end of the first sewage separation tank. (2) The sewage separation mechanism includes a cylindrical first sewage separation tank, a second sewage separation tank provided continuously at the upper end of the first sewage separation tank, and the first sewage separation tank. A filter sand receiver is provided at the inner upper end of the sewage separation tank and is formed into an inverted cone shape with both upper and lower ends open, and one end is inserted from the lower part of the first sewage separation tank and the lower end of the filter sand receiver A water guide pipe protruding from the opening, a filter sand blow-up pipe whose one end is inserted from the middle of the water guide pipe and arranged coaxially, and then extends above the upper end of the water guide pipe; A first umbrella body provided on the outer periphery of the filter sand blow-up pipe to cover the upper end of the water guide pipe, and a second umbrella body provided above the inside of the second sewage separation tank. A filter sand cleaning device featuring: