JPH0177894U

JPH0177894U -

Info

Publication number: JPH0177894U
Application number: JP1987171096U
Authority: JP
Priority date: 1987-11-09
Filing date: 1987-11-09
Publication date: 1989-05-25

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例に係るスカム除去装
置の構成を示すものであつて、同図ａは要部平面
図、同図ｂは同図ａにおけるＣ矢視部拡大図、第
２図ａ乃至ｅはそれぞれ上記スカム除去装置でス
カムを除去する場合の動作説明図、第３図は従来
のスカム除去装置の構成を示すものであつて、同
図ａは要部平面図、同図ｂは同図ａの側断面図、
同図ｃは同図ａにおいてスカムボツクスにスカム
フラツパが接近した状態でのＡ―Ａ′矢視断面図
、第４図ａ，ｂ，ｃはそれぞれ上記従来のスカム
除去装置でスカムを除去する場合の動作説明図、
第５図は上記従来のスカム除去装置に用いること
のできる他のスカムボツクスの構成を示すもので
あつて、同図ａは平面図、同図ｂは同図ａにおけ
るＢ―Ｂ′矢視断面図、第６図ａ，ｂ，ｃはそれ
ぞれ上記従来の他のスカムボツクスを用いてスカ
ムの除去を行う場合の動作説明図である。〔符号の説明〕、１……沈澱槽、３……スカム
ボツクス（スカム排出手段）、５……フレーム、
６……スキマーブレード、７……スカムフラツパ
、１２……前ビーチ（案内プレート）、１７……
スカム、２２……上澄液排除フラツパ（上澄液排
除手段）、２３……間隙、Ｅ……スカム除去装置
。 Fig. 1 shows the configuration of a scum removing device according to an embodiment of the present invention, in which Fig. 1a is a plan view of the main part, Fig. 1b is an enlarged view of the part viewed from arrow C in Fig. 1a, and Fig. Figures a to e are explanatory diagrams of the operation when removing scum with the above-mentioned scum removing device, respectively, and Figure 3 shows the configuration of a conventional scum removing device, and figure a is a plan view of the main part, b is a side sectional view of a in the same figure,
Figure 4c is a sectional view taken along the line A-A' with the scum flapper approaching the scum box in Figure 4a, and Figures 4a, b, and c are the operations when removing scum using the conventional scum removing device. Explanatory diagram,
FIG. 5 shows the structure of another scum box that can be used in the conventional scum removing device, in which FIG. 5a is a plan view and FIG. , FIGS. 6a, 6b, and 6c are explanatory views of the operation when scum is removed using the other conventional scum box described above. [Explanation of symbols], 1... Sedimentation tank, 3... Scum box (scum discharge means), 5... Frame,
6... Skimmer blade, 7... Scum flap, 12... Front beach (information plate), 17...
Scum, 22...supernatant liquid removal flapper (supernatant liquid removal means), 23... gap, E... scum removal device.

Claims

[Claims for Utility Model Registration] A skimmer blade for collecting scum floating on the supernatant liquid in the sedimentation tank, and a frame that is driven to move parallel to the liquid level in the sedimentation tank, and a frame that is driven to move parallel to the liquid level in the sedimentation tank, and a skimmer blade for collecting scum floating on the supernatant liquid in the sedimentation tank, and a frame that is driven to move parallel to the liquid level in the sedimentation tank. A scum flapper is provided for conveying the collected scum to the scum discharge means, and the scum conveyed by the scum flapper is guided by the upper surface of a guide plate inclined downward toward the upstream side in the direction of movement of the scum flapper. In the scum removing device, a scum removing device is provided in which a scum remover is disposed in front of the scum flapper in the vicinity of the guide plate and moves through a supernatant liquid in front of the scum flapper before moving the scum flapper, so that the supernatant liquid is scum. A scum removing device characterized in that a supernatant liquid discharging means for discharging the supernatant liquid to the discharging means is provided through a gap for causing the scum collected by the skimmer blade to flow into the scum flapper.