JPS5858127B2 - concentration tank - Google Patents
concentration tankInfo
- Publication number
- JPS5858127B2 JPS5858127B2 JP9095276A JP9095276A JPS5858127B2 JP S5858127 B2 JPS5858127 B2 JP S5858127B2 JP 9095276 A JP9095276 A JP 9095276A JP 9095276 A JP9095276 A JP 9095276A JP S5858127 B2 JPS5858127 B2 JP S5858127B2
- Authority
- JP
- Japan
- Prior art keywords
- tank
- plate
- sludge
- center well
- appropriate gap
- 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.)
- Expired
Links
Description
【発明の詳細な説明】
本発明は汚水処理施設に用いる沈澱式の濃縮槽に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a sedimentation type thickening tank used in sewage treatment facilities.
従来の濃縮槽は充分に濃縮効果を出せないものが多く、
又、汚泥流入時の高負荷に耐えられず、汚泥が濃縮され
ずにそのまＳ逃げるものも多い。Many conventional concentration tanks do not have sufficient concentration effects,
In addition, there are many cases where the sludge cannot withstand the high load when the sludge flows in, and the sludge escapes without being concentrated.
本発明はこのような問題を解決しようとするもので槽内
に傘形の邪摩板を設けて濃縮効果を高めるようにしたも
のであるが、その詳細を説明すれば次の通りである。The present invention aims to solve this problem by providing an umbrella-shaped strainer plate in the tank to enhance the concentration effect.The details of the present invention are as follows.
図にかいて、１は円形槽で、その中央上部に上下を開放
した円筒状のセンターウェル２を固定する。In the figure, reference numeral 1 denotes a circular tank, and a cylindrical center well 2 with open upper and lower sides is fixed at the upper center of the tank.
このセンターウェル２の下端外側には傘形の邪摩板３を
固定し、その外周と導流板４間に適宜の間隙を設ける。An umbrella-shaped barrier plate 3 is fixed to the outside of the lower end of the center well 2, and an appropriate gap is provided between its outer periphery and the flow guide plate 4.
該導流板４は槽１の周壁に沿って適宜の間隙すを存して
配置したもので、その下縁と槽１の底面間にも適宜の間
隙を設ける。The flow guide plate 4 is arranged with an appropriate gap along the peripheral wall of the tank 1, and an appropriate gap is also provided between its lower edge and the bottom surface of the tank 1.
該導流板４の上縁には該邪摩板３の上側に適宜の間隙を
存して配置される傘形の上部邪摩板５を設け、との邪摩
板５の内周とセンターウェル２の外周間に適宜の間隙を
形成する。An umbrella-shaped upper baffle plate 5 is provided on the upper edge of the flow guide plate 4 and is placed above the baffle plate 3 with an appropriate gap between the inner periphery and the center of the baffle plate 5. An appropriate gap is formed between the outer peripheries of the wells 2.
又、汚泥流入管６の内端の開口をセンターウェル２内に
臨ませる。Further, the opening at the inner end of the sludge inflow pipe 6 is made to face the inside of the center well 2.
７は槽１内の中央に立設した回転軸でその下端には槽１
の底部に沈澱した汚泥を中央に掻き寄せるスクレーバ８
を固定する。7 is a rotating shaft installed in the center of tank 1, and tank 1 is attached to the lower end of the rotating shaft.
Scraper 8 scrapes the sludge that has settled at the bottom of the
to be fixed.
又、槽１の中央には濃縮汚泥溜め９を設け、この汚泥溜
め９に汚泥引抜き管１０を設ける。Further, a thickened sludge reservoir 9 is provided in the center of the tank 1, and a sludge drawing pipe 10 is provided in this sludge reservoir 9.
その他、図中１１は上澄水の越流トラフ１２はスカムの
トラフ流人を阻止する堰板である。In addition, the overflow trough 12 of supernatant water 11 in the figure is a weir plate that prevents scum from flowing into the trough.
本発明は上記の構成である。The present invention has the above configuration.
流入管６からセンターウェル２内に流入した汚泥は邪摩
板３の下部を通り１次の汚泥沈降を行い、邪摩板３の外
周から、上下の邪摩板５，３間に流入し、上部邪摩板５
の内周から槽１の上方に出る。The sludge that has flowed into the center well 2 from the inflow pipe 6 passes through the lower part of the jama plate 3, undergoes primary sludge settling, flows from the outer periphery of the jama plate 3 between the upper and lower jama plates 5 and 3, Upper jama plate 5
It comes out above the tank 1 from the inner circumference of the tank.
この上部邪摩板５上に釦いて２次の沈降が行われて上澄
水は越流トラフ１１へ流出して適宜排出される。Secondary sedimentation is carried out on this upper jamb plate 5, and the supernatant water flows out to the overflow trough 11 and is discharged as appropriate.
又、沈降した濃縮汚泥は槽１の底面に釦いてスクレーバ
８により汚泥溜め９に集められ引抜管１０から引抜かれ
る。Further, the settled thickened sludge is collected in a sludge reservoir 9 by a scraper 8 at the bottom of the tank 1, and is drawn out from a drawing pipe 10.
本発明は上記の作用を行うもので、上下に傘形の邪摩板
を設けて汚泥が上下の邪摩板間を通って槽の上部に向か
うようにしたから沈降作用が１次、２次と２段階に行わ
れる。The present invention performs the above-mentioned action, and the sludge is directed to the upper part of the tank through the upper and lower umbrella-shaped plates so that the sludge passes between the upper and lower plates, so that the sedimentation effect is primary and secondary. This is done in two stages.
従って同じ大きさの従来の濃縮槽と比較して水面積負荷
は約半分となるから、沈降に必要な水面積が約２倍にな
り、濃縮効果を著しく高めることができる。Therefore, compared to a conventional concentration tank of the same size, the water area load is approximately half, so the water area required for sedimentation is approximately doubled, and the concentration effect can be significantly enhanced.
第１図は本発明濃縮槽の縦断正面図、第２図は第１図Ａ
−Ａ線の横断平面図である。
１・・・・・・円形槽、
２・・・・・・センターウェル
３゜
・・・・・・邪摩板、
４・・・・・・導流板、
６・・・・・・汚泥導流管。Figure 1 is a longitudinal sectional front view of the concentration tank of the present invention, and Figure 2 is Figure 1A.
- It is a cross-sectional plan view of the A line. 1... Circular tank, 2... Center well 3゜... Jama plate, 4... Direction plate, 6... Sludge Direction tube.
Claims (1)
ルを設けてこのセンターウェル内に汚泥流入管を臨ませ
、該センターウェルの下部外側に傘形の邪摩板を設ける
と共にこの邪摩板の外周縁と槽の周壁に沿って適当間隙
を存して配置した導流板間に適宜の間隙を形成し、この
導流板の上縁には該邪摩板の上側に適宜の間隙を存して
配置した傘形の上部邪摩板を設け、この上部邪摩板の内
周とセンターウェル外周間に適宜の間隙を形成した濃縮
槽。1 A cylindrical center well with open top and bottom is provided in the center of the circular tank, and the sludge inflow pipe faces into this center well, and an umbrella-shaped jama plate is provided on the outside of the lower part of the center well, and this jama plate An appropriate gap is formed between the flow guide plates arranged with an appropriate gap between the outer peripheral edge of the flow guide plate and the peripheral wall of the tank. This concentration tank is provided with an umbrella-shaped upper barrier plate arranged in the same manner as above, and an appropriate gap is formed between the inner periphery of the upper barrier plate and the outer periphery of the center well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9095276A JPS5858127B2 (en) | 1976-07-28 | 1976-07-28 | concentration tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9095276A JPS5858127B2 (en) | 1976-07-28 | 1976-07-28 | concentration tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5315672A JPS5315672A (en) | 1978-02-13 |
| JPS5858127B2 true JPS5858127B2 (en) | 1983-12-23 |
Family
ID=14012805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9095276A Expired JPS5858127B2 (en) | 1976-07-28 | 1976-07-28 | concentration tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5858127B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH027313Y2 (en) * | 1985-01-18 | 1990-02-21 |
-
1976
- 1976-07-28 JP JP9095276A patent/JPS5858127B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH027313Y2 (en) * | 1985-01-18 | 1990-02-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5315672A (en) | 1978-02-13 |
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