JPS63122816A - Treating of sludge - Google Patents
Treating of sludgeInfo
- Publication number
- JPS63122816A JPS63122816A JP26671886A JP26671886A JPS63122816A JP S63122816 A JPS63122816 A JP S63122816A JP 26671886 A JP26671886 A JP 26671886A JP 26671886 A JP26671886 A JP 26671886A JP S63122816 A JPS63122816 A JP S63122816A
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- water
- box
- cement slurry
- shaft
- 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
- 239000010802 sludge Substances 0.000 title claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000004568 cement Substances 0.000 claims abstract description 21
- 239000002002 slurry Substances 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 9
- 235000019645 odor Nutrition 0.000 abstract 1
- 239000004576 sand Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Treatment Of Sludge (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の目的］
（産業上の利用分野）
本発明は水面下に存在するヘドロを固化させるヘドロの
処理方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a sludge treatment method for solidifying sludge existing under the water surface.
（従来の技術）
ヘドロに石こう、ポゾラン物質、セメント系の３成分よ
りなる処理剤を混合して固化させる処理方法はＣＴＧ工
法として広く実用化されている。(Prior Art) A treatment method in which sludge is mixed with a treatment agent consisting of three components of gypsum, a pozzolanic substance, and a cement type and solidified is widely put into practical use as the CTG method.
く特公昭６１−４８７０号公報、特公昭６０−４３３８
９号公報、特公昭５８−１７５５６号公報参照）
しかしながら、上記工法は水面下のヘドロには適用が困
難であり、且つ、使用する処理剤か高価であるという問
題点を有していた。Special Publication No. Sho 61-4870, Special Publication No. Sho 60-4338
(See Japanese Patent Publication No. 9, Japanese Patent Publication No. 58-17556) However, the above-mentioned method has problems in that it is difficult to apply to sludge under the water surface, and the processing agent used is expensive.
（発明が解決しようとする問題点）
本発明は従来技術が有していた前述の問題点を解決し、
水面下のヘドロの処理を可能ならしめる新規なヘトロの
処理方法を提供することを目的とするものである。(Problems to be Solved by the Invention) The present invention solves the aforementioned problems that the prior art had,
The object of the present invention is to provide a new method for treating sludge that makes it possible to treat sludge under the water surface.
［発明の構成］
（問題点を解決するための手段）
本発明は前述の問題点を解決すべくなされたものであり
、
（ａ）水面下に存在するヘドロ層を覆う下面を開放した
箱体を水中に設置する工程。[Structure of the Invention] (Means for Solving the Problems) The present invention has been made to solve the above-mentioned problems. The process of installing the in water.
（ｂ）箱体内部において、へ１〜口層を回転する工具て
穿孔撹拌してヘドロを水中に浮遊させる工程。(b) Inside the box, the sludge is suspended in water by drilling and agitating the layers with a rotating tool.
（Ｃ）セメントスラリーを水中に注入撹拌して、セメン
トスラリー、ヘドロの水中に浮遊した混合物を形成させ
る工程。(C) A step of injecting and stirring cement slurry into water to form a mixture of cement slurry and sludge suspended in water.
（ｄ）ヘドロ、土砂、セメントスラリーの混合物を沈降
せしめて固化する工程。(d) A step of settling and solidifying the mixture of sludge, earth and sand, and cement slurry.
（ｅ）箱体な移動する工程とを含むことを特徴とするヘ
ドロの処理方法を提供するものである。The present invention provides a sludge processing method characterized by including the step of (e) moving the box.
（作 用）
ヘドロをセメントスラリーと箱体内で混合させて、両者
を良く混合させ、混合物を形成し、この混合物を沈降さ
せて混合￥Ｓ層が形成される。この混合物層は水中で固
化し良好な地盤を水底に形成せしめる。(Function) The sludge is mixed with the cement slurry in the box body, the two are mixed well to form a mixture, and this mixture is allowed to settle to form a mixed \S layer. This mixture layer solidifies in the water and forms a good foundation at the bottom of the water.
次に本発明の実施例を添付図面に就いて更に具体的に説
明する。Next, embodiments of the present invention will be described in more detail with reference to the accompanying drawings.
水面１の下に存在するヘトロ層２を覆うように下面を開
放した箱体３をヘドロ層２上に設置する。A box body 3 with an open bottom surface is installed on the sludge layer 2 so as to cover the sludge layer 2 existing below the water surface 1.
４は船台で、船台４上に設置したクレーン車等で構成し
た作業機５と箱体３とは、移動用操作棒６と軸管７で連
結され１作業機５に設けられた操作盤（図示せず）或は
船台４の移動により、箱体３を所望の位置に設置し、又
移動できるよう構成されている。Reference numeral 4 denotes a boat platform, and the work machine 5 and the box body 3, which are installed on the boat platform 4 and constituted by a crane truck, etc., are connected by a moving operation rod 6 and an axis tube 7, and an operation panel ( (not shown) or by moving the platform 4, the box 3 can be installed at a desired position and moved.
移動用操作棒６は第１図に示すように矢印て示す箱体な
移動すべき方向（移動方向）に垂直な箱体３の端面８に
連結し軸管７は」−面９に直結するのか適当てあり、又
箱体３の下面には移動方向に平行に一対の鑓部材ｌＯ（
第２図参照）を設けるのが望ましい。As shown in FIG. 1, the operating rod 6 for movement is connected to the end surface 8 of the box 3 which is perpendicular to the direction of movement (movement direction) shown by the arrow, and the shaft tube 7 is directly connected to the -plane 9. There is also a pair of latch members lO(
(see Figure 2) is desirable.
箱体３は第３図に示すように、移動方向を長手方向とし
た直方体形状で端面８と対向する端面な傾斜面１１で形
成し、この傾斜面１１の下端に流水口１２を開口するの
が適当であり、後述するように作業能率を向上させる等
の効果をうることができる。As shown in FIG. 3, the box body 3 has a rectangular parallelepiped shape with the longitudinal direction in the moving direction, and is formed with an inclined surface 11 which is an end surface opposite to the end surface 8, and a water inlet 12 is opened at the lower end of this inclined surface 11. is appropriate, and it is possible to obtain effects such as improving work efficiency, as will be described later.
又、第２図に示すように箱体３の上面１ｏには複数個の
空気抜き孔１３を設け、空気抜き孔１３の下方に邪魔板
１４を設けることにより、箱体３を水中に沈降させる際
に箱体３中の空気を空気抜き孔１３から抜いて箱体３の
沈降を容易に行えるようにし、後記するヘドロの撹拌に
際しヘドロが空気抜き孔１３から排出しないように邪魔
板１４て迷路を形成するのが望ましい。Furthermore, as shown in FIG. 2, a plurality of air vent holes 13 are provided on the upper surface 1o of the box 3, and a baffle plate 14 is provided below the air vent holes 13, so that when the box 3 is submerged in water, The air in the box body 3 is removed through the air vent hole 13 to allow the box body 3 to settle easily, and a baffle plate 14 is used to form a labyrinth to prevent sludge from being discharged from the air vent hole 13 during stirring of the sludge, which will be described later. is desirable.
前記軸管７は先端に中空シャフト１５を設けて下端に穿
孔用ヘッド１６を設け、ヘッド１６の上方においてシャ
フト１５に放射状に複数個の撹拌翼１７を設けている。The shaft tube 7 has a hollow shaft 15 at its tip, a perforation head 16 at its lower end, and a plurality of stirring blades 17 radially arranged on the shaft 15 above the head 16.
軸管７は箱体３の上面９を昇降自在に貫通して箱体３の
内部に延び、ヘッド１５、撹拌翼１６は箱体３の内部に
位置せしめられている。The shaft tube 7 passes through the upper surface 9 of the box 3 in a vertically movable manner and extends into the inside of the box 3, and the head 15 and stirring blades 16 are located inside the box 3.
又軸管７は管状部材で形成され、セメントスラリーの供
給管としても機能するもので、撹拌翼１７の上方には開
孔部１８が設けられ、この開孔部１８からセメントスラ
リーを排出させるようになっている。The shaft pipe 7 is formed of a tubular member and also functions as a cement slurry supply pipe, and an aperture 18 is provided above the stirring blade 17 so that the cement slurry is discharged from the aperture 18. It has become.
軸管７は作業機５に連結され、作業機５の操作盤の操作
により上下し、又シャフト１５に所望の回転か与えられ
る。The shaft tube 7 is connected to the working machine 5, and is moved up and down by operating the operation panel of the working machine 5, and a desired rotation is given to the shaft 15.
なお水深の大きい場合には軸管７を写真機の３脚のよう
に多段に伸縮自在に構成することもできる。In addition, when the water depth is large, the shaft tube 7 can be configured to be extendable and retractable in multiple stages like the tripod of a camera.
水面ｌの下に存在するヘドロ層２を覆って水中に設置し
た箱体３中でシャフト１５を回転させつつ軸管７を下降
させることにより、ヘッド１６でヘドロ層２を穿孔し、
巻き上げられたヘドロを撹拌翼１７で撹拌し水中に浮遊
せしめる。ついで、セメントスラリーをシャフト１５の
開孔部１８から流出せしめ充分混合し、セメン１〜スラ
リー、ヘドロの水中に浮遊した混合物を形成させる。な
おヘトロ層が軟質の場合攪拌翼のみでヘトロを穿孔攪拌
することも可能てあり又、セメントスラリーはヘドロ層
２の穿孔と同時に流出せしめてもよく、又穿孔に先立ち
流出せさることもできる。The sludge layer 2 is perforated with the head 16 by lowering the shaft tube 7 while rotating the shaft 15 in a box 3 installed underwater covering the sludge layer 2 existing below the water surface l,
The rolled up sludge is stirred by a stirring blade 17 and suspended in water. Then, the cement slurry is allowed to flow out from the opening 18 of the shaft 15 and thoroughly mixed to form a mixture of cement 1, slurry, and sludge suspended in water. If the sludge layer is soft, it is possible to pierce and stir the sludge using only a stirring blade, and the cement slurry may be allowed to flow out simultaneously with the perforation of the sludge layer 2, or may be allowed to flow out prior to the perforation.
ヘドロに混合すべき、セメントスラリーの量は、本発明
の方法によって固化されたヘドロ層に要求される固さに
応じて定められる。The amount of cement slurry to be mixed into the sludge is determined depending on the required hardness of the sludge layer solidified by the method of the invention.
セメン１ヘスラリ−としては通常のポルトランドセメン
トスラリー等を用いることもできる。又スラリーの固型
分の量は５０ｗｔ％程度とするのが適当である。Ordinary Portland cement slurry or the like can also be used as the cement 1 slurry. Further, it is appropriate that the solid content of the slurry be approximately 50 wt%.
なお、セメントスラリー中に沈降促進剤を混入すること
もてき、沈降所要時間を短縮し、作業能率を向上させる
ことができる。It is also possible to mix a sedimentation accelerator into the cement slurry to shorten the time required for sedimentation and improve work efficiency.
攪拌を停止し、ヘドロ、セメントスラリーの混合物を沈
降させて固化せしめる。The stirring is stopped and the mixture of sludge and cement slurry is allowed to settle and solidify.
箱体３として移動方向を長手方向とした直方体形状のも
のを使用し、上記混合物の沈降、固化が行われている間
に箱体３を破線で示す位置に移動させ、沈降の行なわれ
ている箇所を箱体３の傾斜面１１に近い部分（図の右半
分）で覆い、この部分で沈降を行なわせつつ、箱体の左
半分において上記撹拌、セメントスラリー混合、沈降の
各工程（ｂ）、（ｃ）、（ｄ）を行なわせることもでき
、最初の工程（ｂ）、（Ｃ）、（ｄ）終了後火の工程（
ｂ）、（ｃ）、（ｄ）を開始する迄の時間を短縮して作
業能率を向上させるとともに、切れ目のない混合物層を
形成させることがてきる。A rectangular parallelepiped box with the moving direction as the longitudinal direction is used as the box 3, and while the above mixture is settling and solidifying, the box 3 is moved to the position shown by the broken line, and the settling is performed. The area is covered with the part of the box body 3 close to the slope 11 (the right half of the figure), and while sedimentation is performed in this part, the above-mentioned stirring, cement slurry mixing, and settling steps (b) are carried out in the left half of the box body. , (c), and (d), and after the first steps (b), (C), and (d) are completed, the fire step (
It is possible to shorten the time required to start steps b), (c), and (d), thereby improving work efficiency and forming a seamless mixture layer.
なお箱体３を破線で示す位置に移動させる際、箱体３の
右半分に存在する水は流水口１２から箱外に流出し、こ
れに伴ない新しい水か空気抜き孔１３等から箱体内に流
入し、箱体３の移動をスムースに行なわせる。そして上
述したように箱体から流出する水は傾斜面１１に沿って
下向きに流れるので箱体３内で浮遊している混合物を沈
降させ、混合物の箱体外への流出を防止することができ
る。Note that when the box body 3 is moved to the position indicated by the broken line, the water existing in the right half of the box body 3 flows out of the box from the water outlet 12, and as a result, new water flows into the box body from the air vent hole 13, etc. It flows in and allows the box body 3 to move smoothly. As described above, the water flowing out from the box flows downward along the slope 11, so that the mixture floating inside the box 3 is allowed to settle, thereby preventing the mixture from flowing out of the box. .
又箱体３の傾創面ｌｌ側に間隔をおいてローラー（図示
せず）を設けることもでき、箱体３を移動させる際ロー
ラーで混合物層を平滑にすることもできる。Further, rollers (not shown) may be provided at intervals on the tilting surface ll side of the box 3, and the mixture layer may be smoothed by the rollers when the box 3 is moved.
なおヘドロ層２て覆われている土砂層１９をも穿孔し、
ヘドロと土砂を同時に攪拌し、水中に浮遊させることも
できる。In addition, the earth and sand layer 19 covered by the sludge layer 2 was also drilled,
It can also stir sludge and sand at the same time and make them float in the water.
［発明の効果］
本発明においては、撹拌作業中にヘドロが水面上に浮上
したり、悪臭を発生することなく、水面下のへトロを効
率よく処理でき、強度の大きい混合物層を形成させるこ
とがてきる。[Effects of the Invention] In the present invention, sludge below the water surface can be efficiently treated without sludge rising to the surface of the water or generating a bad odor during stirring work, and a strong mixture layer can be formed. It's coming.
第１図は本発明の詳細な説明する為の正面図、第２図は
その断面図、第３図は箱体な示す斜視図である。
なお図中、１は水面、２はヘドロ層、３は箱体、４は船
台、５は作業機、６は移動用操作棒、７は軸管、８は端
面、９は上面、１０は横部材、１１は傾斜面、１２は流
水口、１３は空気抜き孔、１４は邪魔板、１５はシャフ
ト、１６はヘッド、１７は撹拌翼、１８は開孔部、１９
は土砂層、を示す。
第１図
第２図FIG. 1 is a front view for explaining the present invention in detail, FIG. 2 is a sectional view thereof, and FIG. 3 is a perspective view showing the box. In the figure, 1 is the water surface, 2 is the sludge layer, 3 is the box, 4 is the platform, 5 is the work equipment, 6 is the operating rod for movement, 7 is the shaft tube, 8 is the end surface, 9 is the top surface, and 10 is the side. Members, 11 is an inclined surface, 12 is a water outlet, 13 is an air vent, 14 is a baffle plate, 15 is a shaft, 16 is a head, 17 is a stirring blade, 18 is an opening, 19
indicates a sediment layer. Figure 1 Figure 2
Claims (1)
箱体を水中に設置する工程。 （ｂ）箱体内部において、ヘドロ層を回転する工具で穿
孔撹拌してヘドロを水中に浮遊させる工程。 （ｃ）セメントスラリーを水中に注入撹拌して、セメン
トスラリー、ヘドロの水中に浮遊した混合物を形成させ
る工程。 （ｄ）ヘドロ、セメントスラリーの混合物を沈降せしめ
て固化する工程。 （ｅ）箱体を移動する工程とを含むことを特徴とするヘ
ドロの処理方法。[Claims] (a) A step of installing in water a box with an open bottom surface that covers a sludge layer existing under the water surface. (b) Inside the box, the sludge layer is perforated and agitated with a rotating tool to suspend the sludge in the water. (c) A step of injecting and stirring cement slurry into water to form a mixture of cement slurry and sludge suspended in water. (d) A step of settling and solidifying the mixture of sludge and cement slurry. (e) A method for disposing of sludge, comprising the step of moving the box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26671886A JPS63122816A (en) | 1986-11-11 | 1986-11-11 | Treating of sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26671886A JPS63122816A (en) | 1986-11-11 | 1986-11-11 | Treating of sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63122816A true JPS63122816A (en) | 1988-05-26 |
Family
ID=17434715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26671886A Pending JPS63122816A (en) | 1986-11-11 | 1986-11-11 | Treating of sludge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63122816A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06501881A (en) * | 1991-07-25 | 1994-03-03 | ミルガード・エンヴアイアロンメンタル・コーポレーシヨン | Equipment for on-site treatment of water pollutants |
| BE1006153A3 (en) * | 1992-09-15 | 1994-05-24 | Smet Hugo | Method for stabilising or fixing silt or silt-containing ground on site |
| JP2004044148A (en) * | 2002-07-10 | 2004-02-12 | Kajima Corp | Ground improvement method |
| JP2006247504A (en) * | 2005-03-10 | 2006-09-21 | Maeda Corp | In-situ coagulation device of floating sludge |
| JP2006346564A (en) * | 2005-06-15 | 2006-12-28 | Onoda Chemico Co Ltd | Solidification device |
| WO2016132286A3 (en) * | 2015-02-17 | 2016-10-13 | Italcementi S.P.A. | An environmentally sustainable cement composition, its use for inerting dredging sediments/sludges, relative method and apparatus for inerting |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5898516A (en) * | 1981-12-04 | 1983-06-11 | Oosakashi | Processing method for in-situ curing bottom mud and device thereof |
-
1986
- 1986-11-11 JP JP26671886A patent/JPS63122816A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5898516A (en) * | 1981-12-04 | 1983-06-11 | Oosakashi | Processing method for in-situ curing bottom mud and device thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06501881A (en) * | 1991-07-25 | 1994-03-03 | ミルガード・エンヴアイアロンメンタル・コーポレーシヨン | Equipment for on-site treatment of water pollutants |
| BE1006153A3 (en) * | 1992-09-15 | 1994-05-24 | Smet Hugo | Method for stabilising or fixing silt or silt-containing ground on site |
| JP2004044148A (en) * | 2002-07-10 | 2004-02-12 | Kajima Corp | Ground improvement method |
| JP2006247504A (en) * | 2005-03-10 | 2006-09-21 | Maeda Corp | In-situ coagulation device of floating sludge |
| JP2006346564A (en) * | 2005-06-15 | 2006-12-28 | Onoda Chemico Co Ltd | Solidification device |
| WO2016132286A3 (en) * | 2015-02-17 | 2016-10-13 | Italcementi S.P.A. | An environmentally sustainable cement composition, its use for inerting dredging sediments/sludges, relative method and apparatus for inerting |
| US10981821B2 (en) | 2015-02-17 | 2021-04-20 | Italcementi S.P.A. | Environmentally sustainable cement composition, its use for inerting dredging sediments/sludges, relative method and apparatus for inerting |
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