JPH09323097A - Sludge treating equipment - Google Patents
Sludge treating equipmentInfo
- Publication number
- JPH09323097A JPH09323097A JP8145662A JP14566296A JPH09323097A JP H09323097 A JPH09323097 A JP H09323097A JP 8145662 A JP8145662 A JP 8145662A JP 14566296 A JP14566296 A JP 14566296A JP H09323097 A JPH09323097 A JP H09323097A
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- mud
- drying device
- coarse
- separated
- 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
Landscapes
- Treatment Of Sludge (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、港湾、湖沼等の底
に溜まった汚泥等の汚泥の処理設備に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facility for treating sludge such as sludge accumulated at the bottom of a harbor or lake.
【０００２】[0002]
【従来の技術】従来の汚泥処理方法を図２に示す。浚渫
船等により陸揚げされた汚泥にはゴミや粒径の違う泥等
が混在しているため、処理効率の観点から混在物に応じ
て機器の種類やそれらの組合せを変え処理していた。例
えば、浚渫した汚泥２をそのまま天日乾燥２２し、浚渫
した汚泥２を脱水機２１等を用いて一時脱水して天日乾
燥２２し、又は汚泥乾燥装置１２を用いて水分を蒸発さ
せる等の方法が、従来採用されている。2. Description of the Related Art A conventional sludge treatment method is shown in FIG. Since the sludge landed by a dredger contains dust and mud with different particle sizes, the types of equipment and their combinations were changed according to the mixture from the viewpoint of treatment efficiency. For example, the dredged sludge 2 is directly dried 22 in the sun, the dredged sludge 2 is temporarily dehydrated by a dehydrator 21 or the like to be sun dried 22, or the sludge drying device 12 is used to evaporate water. The method is conventionally adopted.
【０００３】[0003]
【発明が解決しようとする課題】汚泥中にはゴミや粒径
の違う泥等が混在しており、従来は混在状況や周囲状況
に応じて処理方法を変えていた。例えば、前記のよう
に、浚渫した汚泥をそのまま天日乾燥し、浚渫した汚泥
を脱水機等を用いて一時脱水して天日乾燥し、又は汚泥
乾燥装置を用いて水分を蒸発させる等の方法が、用いら
れていた。しかしながら、ゴミや粒径の違う泥等の混在
状況が違っても汚泥処理のできる汎用的設備はこれまで
なかった。The sludge contains dust, mud having a different particle size, and the like, and conventionally the treatment method was changed depending on the mixed situation and the surrounding situation. For example, as described above, the dredged sludge is directly dried in the sun, and the dredged sludge is temporarily dehydrated using a dehydrator or the like to be dried in the sun, or a method of evaporating water using a sludge drying device, etc. Was used. However, there has not been a general-purpose facility that can treat sludge even if the mixing conditions of dust and mud with different particle sizes are different.
【０００４】本発明は、ゴミや粒径の違う泥等の混在状
況が違っても汚泥処理ができる汎用的な汚泥処理設備を
提供しようとするものである。The present invention is intended to provide a general-purpose sludge treatment facility capable of treating sludge even if the mixed state of dust or mud having a different particle size is different.
【０００５】[0005]
【課題を解決するための手段】本発明の汚泥処理設備
は、汚泥中のゴミと泥との分離を行う振動スクリーン
と、前記振動スクリーンで分離された泥の微粒径汚泥と
粗粒汚泥とを分離するサイクロンと、前記微粒径汚泥を
凝集させる超高速凝集沈澱槽と、前記超高速凝集沈澱槽
の凝集汚泥及び前記粗粒汚泥を脱水する脱水乾燥装置よ
りなる。The sludge treatment facility of the present invention comprises a vibrating screen for separating dust from sludge and a sludge having a fine particle size and a coarse particle sludge separated by the vibrating screen. A cyclone for separating the sludge, an ultra-high speed coagulating sedimentation tank for coagulating the fine particle size sludge, and a dehydration / drying device for dehydrating the coagulated sludge in the ultra high speed coagulating sedimentation tank and the coarse particle sludge.
【０００６】本発明では、振動スクリーンで汚泥中のゴ
ミと泥の分離を行い、分離された泥は、サイクロンで微
粒径汚泥と粗粒径汚泥とが分離される。分離された前記
微粒径汚泥は超高速凝集沈澱槽で凝集汚泥となり、この
凝集汚泥と前記粗粒径汚泥は脱水乾燥装置で脱水され
る。In the present invention, the vibrating screen separates dust and sludge from the sludge, and the separated mud is separated into a fine particle sludge and a coarse particle sludge by a cyclone. The separated fine particle size sludge becomes a coagulated sludge in an ultra-high speed coagulation sedimentation tank, and the coagulated sludge and the coarse particle size sludge are dehydrated by a dehydration drying device.
【０００７】このようにして、本発明では、ゴミや粗粒
の違う泥等の混在状況が違っても、汚泥の処理が可能と
なる。In this way, according to the present invention, sludge can be treated even if the mixed state of dust and mud having different coarse particles is different.
【０００８】[0008]
【発明の実施の形態】本発明の実施の一形態を、図１に
よって説明する。３は浚渫船１によって浚渫された汚泥
２中の泥２Ａとゴミ４を分離する傾斜がつけられ左右に
振動する振動スクリーン、５は、ポンプ３０Ａによって
前記泥２Ａが振動スクリーン３より送り込まれ泥２Ａ中
の微粒径汚泥６と粗粒径汚泥７とを分離するサイクロン
である。BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described with reference to FIG. 3 is a vibrating screen which is inclined to separate the mud 2A in the sludge 2 dredged by the dredging ship 1 from the dust 4 and vibrates left and right. 5 is the mud 2A sent from the vibrating screen 3 by the pump 30A. It is a cyclone for separating the fine particle size sludge 6 and the coarse particle size sludge 7.
【０００９】９は、ポンプ３０Ｂによって前記サイクロ
ン５で分離され凝集剤８が添加された微粒径汚泥６が送
り込まれる超高速凝集沈澱槽であり、同超高速凝集沈澱
槽９では懸濁（疎水コロイド）分を処理した処理水１０
と汚泥とを分離し、分離された汚泥は汚泥槽１１へ送ら
れるようになっている。Numeral 9 is an ultra-high speed coagulation sedimentation tank into which the fine particle size sludge 6 separated by the cyclone 5 and added with the coagulant 8 is fed by the pump 30B. Colloid) treated water 10
And sludge are separated from each other, and the separated sludge is sent to the sludge tank 11.
【００１０】１２は汚泥乾燥装置であり、同汚泥乾燥装
置１２内の上部に設けられモータ１４Ａで高速回転する
水平に配置されたディスク１４の中央付近には、前記サ
イクロン６で分離された粗粒径汚泥７と前記汚泥槽１１
内の汚泥がポンプ３０Ｃによって配管３１を通って送り
込まれるようになっている。Reference numeral 12 is a sludge drying device, and the coarse particles separated by the cyclone 6 are provided in the vicinity of the center of a horizontally arranged disk 14 which is provided at the upper part of the sludge drying device 12 and rotates at a high speed by a motor 14A. Diameter sludge 7 and the sludge tank 11
The sludge in the inside is sent through the pipe 31 by the pump 30C.
【００１１】汚泥乾燥装置１２内のディスク１４の下方
に開口しバグフィルター１９を備えた吸込み管２０が設
けられ、また、汚泥乾燥装置１２の下部にはコンベア１
７が設けられている。また更に、汚泥乾燥装置１２の頂
部には、温度が９０℃〜１５０℃の空気又は低温排ガス
１３を導入する開口１３Ａが設けられている。A suction pipe 20 provided with a bag filter 19 is provided below the disc 14 in the sludge dryer 12, and a conveyor 1 is provided below the sludge dryer 12.
7 are provided. Furthermore, an opening 13A for introducing air or low-temperature exhaust gas 13 having a temperature of 90 ° C. to 150 ° C. is provided at the top of the sludge drying device 12.
【００１２】以上のように構成された本実施の形態で
は、浚渫船１によって浚渫された汚泥２は、振動スクリ
ーン３に送られる。振動スクリーン３には傾斜をつけて
あり、スクリーンを左右に振動させることによりスクリ
ーンのメッシュより大きいゴミ４と小さい泥２Ａに分別
することができる。分別されたゴミ４は、図示しない焼
却炉で焼却される。In the present embodiment configured as described above, the sludge 2 dredged by the dredger 1 is sent to the vibrating screen 3. The vibrating screen 3 is inclined, and by vibrating the screen to the left and right, it is possible to separate the dust 4 larger than the mesh of the screen and the small mud 2A. The separated garbage 4 is incinerated in an incinerator (not shown).
【００１３】振動スクリーン３を通過した時点では未だ
泥２Ａには大量の水分が含まれており、水と泥２Ａの分
離、および分離した水の処理を行う必要がある。水と泥
２Ａの分離、および水の処理を行う装置として超高速凝
集沈澱槽９が設けられている。しかしながら、超高速凝
集沈澱槽９は粗粒径汚泥が含まれていると十分な処理が
できないため、その前段階でサイクロン５において微粒
径汚泥６と粗粒径汚泥７とが分離される。このサイクロ
ン５では、沈降速度の差を利用して泥２Ａ中の微粒径汚
泥６と粗物径汚泥７の分離が行われる。粗粒径汚泥７は
サイクロン５の底に沈澱するので、これを抜き取ってポ
ンプ３０Ｃにより配管３１を通って汚泥乾燥装置２１に
送り込む。The mud 2A still contains a large amount of water when passing through the vibrating screen 3, and it is necessary to separate the water from the mud 2A and to treat the separated water. An ultra-high speed coagulating sedimentation tank 9 is provided as a device for separating water and mud 2A and treating water. However, the ultra-high-speed coagulation sedimentation tank 9 cannot perform sufficient treatment if it contains coarse particle size sludge, so the fine particle size sludge 6 and the coarse particle size sludge 7 are separated in the cyclone 5 in the preceding stage. In the cyclone 5, the fine particle size sludge 6 and the coarse particle size sludge 7 in the mud 2A are separated by utilizing the difference in the sedimentation speed. Since the coarse particle size sludge 7 is deposited on the bottom of the cyclone 5, this is extracted and sent to the sludge drying device 21 through the pipe 31 by the pump 30C.
【００１４】一方、水と微粗粒汚泥６には凝集剤８を加
えてポンプ３０Ｂによって超高速凝集沈澱槽９に送り込
み、この超高速凝集沈澱槽９では処理水１０と汚泥とが
分離され、汚泥は汚泥槽１１に送り込まれる。汚泥槽１
１に溜まった汚泥はポンプ３０Ｃにより配管３１を通っ
て汚泥乾燥装置１２に送り込まれる。On the other hand, a coagulant 8 is added to water and fine coarse-grained sludge 6 and the mixture is sent to an ultra-high speed coagulation sedimentation tank 9 by a pump 30B. In the ultra-high speed coagulation sedimentation tank 9, treated water 10 and sludge are separated, The sludge is sent to the sludge tank 11. Sludge tank 1
The sludge accumulated in 1 is sent to the sludge drying device 12 through the pipe 31 by the pump 30C.
【００１５】このようにして、サイクロン５と汚染槽１
１から汚泥乾燥装置１２へ送り込まれる汚泥の含水率は
まだかなり高い。同汚泥乾燥装置１２においては、高速
回転するディスク１４の中央付近に前記汚泥が供給さ
れ、遠心力で汚泥と水１５とを分離するとともに、温度
が９０℃〜１５０℃の空気又は低温ガス１３で汚泥が乾
燥される。遠心力で壁面に付着した汚泥は重力落下１６
でコンベア１７に落ち、トラック１８等によって輸送さ
れる。供給された空気又は低温ガス１３は吸込み管２０
で吸い取り、バグフィルター１９で集塵が回収される。In this way, the cyclone 5 and the pollution tank 1 are
The water content of sludge sent from 1 to the sludge dryer 12 is still quite high. In the sludge drying device 12, the sludge is supplied to the vicinity of the center of the disk 14 that rotates at a high speed, and the sludge is separated from the water 15 by centrifugal force, and at the same time, the air or the low temperature gas 13 having a temperature of 90 ° C to 150 ° C is used. The sludge is dried. Sludge adhering to the wall surface due to centrifugal force falls by gravity 16
Then, it falls on the conveyor 17 and is transported by a truck 18 or the like. The supplied air or low temperature gas 13 is a suction pipe 20.
The dust is collected by the bag filter 19 and collected by the bag filter 19.
【００１６】前記のように、本実施の形態では、振動ス
クリーン３、サイクロン５、超高速凝集沈澱槽９、汚泥
乾燥装置１２で構成される汚泥処理設備を用いることに
より、あらゆる汚泥２の処理が可能となる。As described above, in the present embodiment, by using the sludge treatment equipment composed of the vibrating screen 3, the cyclone 5, the ultra-high speed coagulating sedimentation tank 9 and the sludge drying device 12, all the sludge 2 can be treated. It will be possible.
【００１７】なお、前記汚泥乾燥装置１２には、供給さ
れる汚泥を完成に乾燥させるものがあるが、本実施の形
態では、回収物のリサイクルとハンドリングの面、及び
経済的な面を考慮して、汚泥乾燥装置１２としては汚泥
から完全に水を取除かない方式のものが使用される。Although there is a sludge drying device 12 for completely drying the sludge to be supplied, in the present embodiment, in consideration of recycling and handling of collected materials, and economical aspects. As the sludge drying device 12, a system that does not completely remove water from the sludge is used.
【００１８】[0018]
【発明の効果】以上説明したように、本発明の汚泥乾燥
設備は、特許請求の範囲に記載された振動スクリーン、
サイクロン、超高速凝集沈澱槽、及び汚泥乾燥装置で構
成されているので、ゴミや粗径の違う汚泥が混在してい
ても汚泥の処理を効果的に行うことができる。As described above, the sludge drying equipment of the present invention is the vibrating screen described in the claims.
Since it is composed of a cyclone, an ultra-high speed coagulating sedimentation tank, and a sludge drying device, sludge can be effectively treated even if dust and sludge with different coarse diameters are mixed.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明の実施の一形態に係る汚泥処理設備の全
体図である。FIG. 1 is an overall view of a sludge treatment facility according to an embodiment of the present invention.
【図２】従来の汚泥処理方法の系統図である。FIG. 2 is a system diagram of a conventional sludge treatment method.
１ 浚渫船 ２ 汚泥 ２Ａ 泥 ３ 振動スクリーン ４ ゴミ ５ サイクロン ６ 微粒径汚泥 ７ 粗粒径汚泥 ８ 凝集剤 ９ 超高速凝集沈澱槽 １０ 処理水 １１ 汚泥槽 １２ 汚泥乾燥装置 １３ 空気又は低温排ガス １４ ディスク １５ 水 １６ 重力落下 １７ コンベア １８ トラック １９ バグフィルター ２０ 吸込み管 ２１ 脱水機 ２２ 天日乾燥 ３１ 配管 1 Dredger 2 Sludge 2A Mud 3 Vibrating Screen 4 Garbage 5 Cyclone 6 Fine Particle Sludge 7 Coarse Particle Sludge 8 Coagulant 9 Ultra High Speed Coagulation Sedimentation Tank 10 Treated Water 11 Sludge Tank 12 Sludge Drying Device 13 Air or Low Temperature Exhaust Gas 14 Disk 15 Water 16 Gravity drop 17 Conveyor 18 Truck 19 Bag filter 20 Suction pipe 21 Dehydrator 22 Sun drying 31 Piping
Claims (1)
クリーンと、前記振動スクリーンで分離された泥の微粒
径汚泥と粗粒径汚泥とを分離するサイクロンと、前記微
粒径汚泥を凝集させる超高速凝集沈澱槽と、前記超高速
凝集沈澱槽の凝集汚泥及び前記粗粒径汚泥を脱水する脱
水乾燥装置よりなることを特徴とする汚泥処理設備。1. A vibrating screen for separating dirt and sludge from sludge, a cyclone for separating fine particle sludge and coarse particle sludge separated by the vibrating screen, and the fine particle sludge. A sludge treatment facility comprising: an ultra-high speed coagulation sedimentation tank for aggregating agglomerates, and a dehydration / drying device for dehydrating the agglomerated sludge of the ultra-high speed coagulation sedimentation tank and the coarse particle size sludge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8145662A JPH09323097A (en) | 1996-06-07 | 1996-06-07 | Sludge treating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8145662A JPH09323097A (en) | 1996-06-07 | 1996-06-07 | Sludge treating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09323097A true JPH09323097A (en) | 1997-12-16 |
Family
ID=15390198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8145662A Pending JPH09323097A (en) | 1996-06-07 | 1996-06-07 | Sludge treating equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09323097A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858048A (en) * | 2015-05-07 | 2015-08-26 | 康明克斯（北京）机电设备有限公司 | Residue soil environmental regenerating retreatment method and equipment by adoption of earth pressure balance shield |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS607999A (en) * | 1983-06-21 | 1985-01-16 | エ−デ−・チユブリン・アクチエンゲゼルシヤフト | Method of removing finely divided particle-shaped sediment from river, sea, lake and marsh, etc. |
| JPH01189358A (en) * | 1988-01-25 | 1989-07-28 | Pennwalt Corp | Sludge dehydration method and apparatus using decanter type centrifugal separator |
| JPH02160063A (en) * | 1988-12-08 | 1990-06-20 | Pennwalt Corp | Method and apparatus for dehydration |
| JPH04221194A (en) * | 1990-12-20 | 1992-08-11 | Tachibana Shokai:Kk | Muddy water processing device |
-
1996
- 1996-06-07 JP JP8145662A patent/JPH09323097A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS607999A (en) * | 1983-06-21 | 1985-01-16 | エ−デ−・チユブリン・アクチエンゲゼルシヤフト | Method of removing finely divided particle-shaped sediment from river, sea, lake and marsh, etc. |
| JPH01189358A (en) * | 1988-01-25 | 1989-07-28 | Pennwalt Corp | Sludge dehydration method and apparatus using decanter type centrifugal separator |
| JPH02160063A (en) * | 1988-12-08 | 1990-06-20 | Pennwalt Corp | Method and apparatus for dehydration |
| JPH04221194A (en) * | 1990-12-20 | 1992-08-11 | Tachibana Shokai:Kk | Muddy water processing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858048A (en) * | 2015-05-07 | 2015-08-26 | 康明克斯（北京）机电设备有限公司 | Residue soil environmental regenerating retreatment method and equipment by adoption of earth pressure balance shield |
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