JPH03135403A - Thickener - Google Patents
ThickenerInfo
- Publication number
- JPH03135403A JPH03135403A JP27367289A JP27367289A JPH03135403A JP H03135403 A JPH03135403 A JP H03135403A JP 27367289 A JP27367289 A JP 27367289A JP 27367289 A JP27367289 A JP 27367289A JP H03135403 A JPH03135403 A JP H03135403A
- Authority
- JP
- Japan
- Prior art keywords
- rake
- sludge
- tank
- thickener
- discharge part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002562 thickening agent Substances 0.000 title claims description 7
- 239000010802 sludge Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000004062 sedimentation Methods 0.000 claims description 7
- 238000007790 scraping Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、被処理水に含まれる汚泥を沈降させる沈降槽
と、該沈降槽の底面に堆積した汚泥を掻き寄せるレーキ
と、該レーキにより汚泥が掻き寄せられる排泥部を備え
ているシックナに関する。Detailed Description of the Invention (Industrial Application Field) The present invention provides a sedimentation tank for settling sludge contained in water to be treated, a rake for scraping up sludge accumulated on the bottom of the sedimentation tank, and a method using the rake. This invention relates to a thickener equipped with a sludge removal section where sludge is scooped up.
（従来の技術） 従来のシックナを第４図を参照して説明する。(Conventional technology) A conventional thickener will be explained with reference to FIG.
沈降槽２１の底面２１ａが頂点を下向きにした略円推形
状に形成され、該底面２１ａの中央部に凹状に排泥部２
２が形成され、底面２１ａに堆積した汚泥はレーキ２２
により排泥部２３に掻き寄せられ、該排泥部２３から引
抜き管２４を介して引抜きポンプ２５により地上に汚泥
を引き抜くものである。The bottom surface 21a of the sedimentation tank 21 is formed in a substantially circular shape with the apex facing downward, and a mud draining section 2 is formed in a concave shape in the center of the bottom surface 21a.
2 is formed and the sludge deposited on the bottom surface 21a is transferred to the rake 22.
The sludge is scraped up to the sludge removal section 23, and is pulled out from the sludge removal section 23 to the ground by a drawing pump 25 via a drawing pipe 24.
（発明が解決しようとする課題） しかし、上記従来例では、次のような課題がある。(Problem to be solved by the invention) However, the above conventional example has the following problems.
沈降槽２１の底面２１ａの中央部に排泥部２３が位置し
ているため、引抜き管２４を地中に第３図は、第２図の
Ｂ−Ｂ線横断面図である。Since the sludge removal part 23 is located in the center of the bottom surface 21a of the settling tank 21, the drawing pipe 24 is underground. FIG. 3 is a cross-sectional view taken along the line B--B in FIG. 2.
第４図は、従来例を示す図である。FIG. 4 is a diagram showing a conventional example.
３：沈降槽 ３ｂ＝底面 ５：排泥部６：引抜
き管 ７：弁 ８：引抜きポンプ１４：レーキ軸
１６；レーキ
１６ａ：刃状部3: Sedimentation tank 3b = bottom 5: Sludge removal section 6: Drawing pipe 7: Valve 8: Drawing pump 14: Rake shaft
16; Rake 16a: Blade-like part
Claims (3)
該沈降槽の底面に堆積した汚泥を掻き寄せるレーキと、
該レーキにより汚泥が掻き寄せられる排泥部とを備えて
いるシックナにおいて、前記沈降槽の底面が頂点を上向
きにした略円推形状に形成され、該円推形状の底面に適
合して前記レーキが形成され、前記円推形状の底面の下
端部に排泥部が設けられてなることを特徴とするシック
ナ。(1) A settling tank that settles sludge contained in the water to be treated;
a rake that scrapes up sludge accumulated on the bottom of the settling tank;
In the thickener, the bottom surface of the sedimentation tank is formed in a substantially circular shape with the apex facing upward, and the bottom surface of the sedimentation tank is formed in a substantially circular convex shape with the apex facing upward, and the bottom surface of the sedimentation tank is adapted to fit the bottom surface of the circular conical shape. A thickener characterized in that a mud draining portion is provided at a lower end portion of the circularly shaped bottom surface.
成されていることを特徴とする請求項１のシックナ。(2) The thickener according to claim 1, wherein the rake is curved in a convex manner in the rake rotation direction.
成されていることを特徴とする請求項１又は請求項２の
シックナ。(3) The thickener according to claim 1 or 2, wherein a blade-like portion is formed at a portion of the rake in the rotational direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27367289A JPH03135403A (en) | 1989-10-23 | 1989-10-23 | Thickener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27367289A JPH03135403A (en) | 1989-10-23 | 1989-10-23 | Thickener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03135403A true JPH03135403A (en) | 1991-06-10 |
Family
ID=17530937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27367289A Pending JPH03135403A (en) | 1989-10-23 | 1989-10-23 | Thickener |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03135403A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010023009A (en) * | 2008-07-24 | 2010-02-04 | Sumitomo Heavy Industries Environment Co Ltd | Flocculation and sedimentation apparatus and flocculation and sedimentation method |
| JP2013169631A (en) * | 2012-02-22 | 2013-09-02 | J P C:Kk | Liquid purifying device |
| JP2015206623A (en) * | 2014-04-17 | 2015-11-19 | 株式会社東芝 | In-drum cementation apparatus washing system and washing method |
-
1989
- 1989-10-23 JP JP27367289A patent/JPH03135403A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010023009A (en) * | 2008-07-24 | 2010-02-04 | Sumitomo Heavy Industries Environment Co Ltd | Flocculation and sedimentation apparatus and flocculation and sedimentation method |
| JP2013169631A (en) * | 2012-02-22 | 2013-09-02 | J P C:Kk | Liquid purifying device |
| JP2015206623A (en) * | 2014-04-17 | 2015-11-19 | 株式会社東芝 | In-drum cementation apparatus washing system and washing method |
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