JPS6291207A - Method of removing precipitate in precipitator connected to pressure pipe - Google Patents
Method of removing precipitate in precipitator connected to pressure pipeInfo
- Publication number
- JPS6291207A JPS6291207A JP22892785A JP22892785A JPS6291207A JP S6291207 A JPS6291207 A JP S6291207A JP 22892785 A JP22892785 A JP 22892785A JP 22892785 A JP22892785 A JP 22892785A JP S6291207 A JPS6291207 A JP S6291207A
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical body
- side wall
- opening
- tank
- sedimentation separation
- 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
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は例えば泥水シールド工法の排泥管や汚水処理装
置の排水管等の圧力管に連通され、管内を流れる圧力流
体中に含まれる固形物を除去する沈降分離構内の沈降物
を除去する方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention is directed to the treatment of solids contained in the pressure fluid flowing inside the pipes, which are connected to pressure pipes such as mud drain pipes in muddy water shield construction methods or drainage pipes in sewage treatment equipment. The present invention relates to a method for removing sediment in a sedimentation separation facility.
（従来の技術）
従来、この種の沈降物除去方法としては、例えば圧力管
に連通された沈降分離槽の底部開口の下に沈降物の収容
箱を取り付け、該収容箱に沈降物が溜ることに遮閉部材
で該開口を閉じて沈降分離槽内の圧力が外部に逃げない
ようにし、この状態で該収容箱を取り外して新しい収容
箱を取り付は交換し、次で取り外した収容箱内の沈降物
を除去すると共に遮閉部材を開き、交換した収容箱で新
たな沈降物を収容除去する方法が知られている。(Prior Art) Conventionally, this type of sediment removal method involves installing a sediment storage box under the bottom opening of a sedimentation separation tank connected to a pressure pipe, and collecting sediment in the storage box. Then, close the opening with a blocking member to prevent the pressure inside the settling tank from escaping to the outside. In this state, remove the storage box, install a new storage box, or replace it. A known method is to remove the sediment from the container, open the blocking member, and then use the replaced storage box to accommodate and remove new sediment.
（発明が解決しようとする問題点）
前記従来法の場合には、収容箱の交換作業が煩雑で作業
性が悪いという不都合を有する。(Problems to be Solved by the Invention) The conventional method has the disadvantage that the work of replacing the storage box is complicated and the workability is poor.
（問題点を解決するための手段）
本発明は前記不都合を解消し、圧力管に連通された沈降
分離槽内の沈降物を簡単に除去することができる方法を
提供することをその目的とするもので、その発明は、圧
力管に連通された沈降分離槽内に沈降している沈降物を
、該沈降分離槽の底部開口と連通自在の側壁開口を備え
た回転自在の円筒体内に該側壁開口を介して収容し、次
で該円筒体を回転させてその側壁で該底部開口を閉じ、
該円筒体内を該沈降分離槽と遮断しておいて該円筒体内
の沈降物を外部に除去することから成る。(Means for Solving the Problems) An object of the present invention is to provide a method that eliminates the above-mentioned disadvantages and allows easy removal of sediments in a settling tank connected to a pressure pipe. According to the invention, sediments settling in a sedimentation tank connected to a pressure pipe are collected in a rotatable cylindrical body with a side wall opening that can freely communicate with a bottom opening of the sedimentation separation tank. through the opening and then rotating the cylinder to close the bottom opening with its sidewall;
The method consists of separating the cylindrical body from the sedimentation separation tank and removing the sediment inside the cylindrical body to the outside.
（実施例）
以下、添附図面に従って本発明の実施例に付き説明する
。(Examples) Examples of the present invention will be described below with reference to the accompanying drawings.
図示のものは本発明方法を泥水シールド工法の排泥管を
流れる排泥中の砂、土粒子等の小径の固形物の除去に適
用した例を示す。The figure shows an example in which the method of the present invention is applied to the removal of small-diameter solids such as sand and soil particles in the sludge flowing through the sludge pipe of the mud water shield method.
第１図は泥水シールド工法の概略説明図を示すもので、
図中１は地盤２中にトンネル３を掘削中のシールド掘進
機を示し、送水管４よりシールド掘進機１に圧送される
泥水によって切羽を掘削すると共に掘削された礫、土塊
、砂、土粒子を含−む排泥を排泥管５によって排出する
。Figure 1 shows a schematic explanatory diagram of the muddy water shield method.
1 in the figure shows a shield excavator excavating a tunnel 3 in the ground 2. Mud water is pumped into the shield excavator 1 from a water pipe 4 to excavate the face, and excavated gravel, earth clods, sand, and soil particles. The sludge containing the sludge is discharged through the sludge pipe 5.
図中６は排泥管５に連通される礫、土塊分離装置、７は
その下流で排泥管５に連通され砂、土粒子等の小径の固
形物を分＊１する沈降分離槽を示し、該沈降分離槽７か
ら分離した小径の固形物を固化剤供給装置８から供給さ
れるモルタル等の固化剤と混合装置９で混合し、これを
注入管１０でトンネル３を形成するセグメント１１の裏
側に裏込め剤１２として充填する。In the figure, 6 indicates a gravel and clod separation device connected to the sludge pipe 5, and 7 indicates a sedimentation separation tank connected to the sludge pipe 5 downstream of the device and separates small-diameter solids such as sand and soil particles*1. The small-diameter solids separated from the sedimentation separation tank 7 are mixed with a solidifying agent such as mortar supplied from a solidifying agent supplying device 8 in a mixing device 9, and this is mixed with the segment 11 forming the tunnel 3 using an injection pipe 10. The back side is filled as a backfilling agent 12.
沈降分離槽７は第２図並びに第３図示の如く、その底部
１３に篩網１４で覆われた底部開口１５を備え、該底部
１３の下側に該底部開口１５を介して連通ずる両側端間
口のケーシング１６が取り付けられ、該ケーシング１６
内に側壁１７の外周路１／３周に亘って開口する側壁開
口１８を備えると共に両端開口の円筒体１９が回転自在
に取り付けられている。該ケーシング１６の一側には円
筒体１９内の全長に亘って進退可能なピストン２０を備
えた排出装置２１が取り付けられていると共にその他側
には前記混合装置９に連通ずる排出管２２が取り付けら
れている。図中２３は該排出管２２の開閉用のボールバ
ルブ、２４は円筒体１９の回転用ハンドルを示す。As shown in FIGS. 2 and 3, the settling tank 7 has a bottom opening 15 covered with a sieve screen 14 at its bottom 13, and both ends communicate with the lower side of the bottom 13 through the bottom opening 15. A frontage casing 16 is attached, and the casing 16
A cylindrical body 19 is rotatably provided with a side wall opening 18 that opens over 1/3 of the outer circumference of the side wall 17, and is open at both ends. A discharge device 21 equipped with a piston 20 that can move forward and backward over the entire length of the cylindrical body 19 is attached to one side of the casing 16, and a discharge pipe 22 communicating with the mixing device 9 is attached to the other side. It is being In the figure, 23 indicates a ball valve for opening and closing the discharge pipe 22, and 24 indicates a handle for rotating the cylindrical body 19.
本実施例では礫、土塊分離装２？Ｇで礫、土塊等の大径
の固形物を除去された排泥２５から砂、土粒子等の小径
の固形物２６を除去するための沈降分離槽７内に沈降す
る小径の固形物２６の除去を行なうもので、まず第２図
示の如く、排出管２２のボールバルブ２３を閉じると共
に排出装置２１のピストン２０を円筒体１９外に退出さ
せておき、ハンドル２４で円筒体１９を回転させて円筒
体１９の側壁開口１８を沈降分離槽７の底部開口１５に
合せて円筒体１９と沈降分離槽１とを連通させ、沈降分
離＋￥ｉ７内に沈降している小径の固形物２６を円筒体
１９内に収容する。In this example, gravel and soil clod separation device 2? Small-diameter solids 26 settle in a sedimentation separation tank 7 for removing small-diameter solids 26 such as sand and soil particles from the waste mud 25 from which large-diameter solids such as gravel and earth clods have been removed by G. First, as shown in the second figure, the ball valve 23 of the discharge pipe 22 is closed, the piston 20 of the discharge device 21 is moved out of the cylindrical body 19, and the cylindrical body 19 is rotated with the handle 24. The side wall opening 18 of the cylindrical body 19 is aligned with the bottom opening 15 of the sedimentation separation tank 7 to communicate the cylindrical body 19 and the sedimentation separation tank 1, and the small diameter solids 26 settled in the sedimentation separation +\i7 are removed from the cylinder. It is housed in the body 19.
次に、第３図示の如く、ハンドル２４で円筒体１９を回
転させてその側壁１７で沈降分離槽７の底部間口１５を
閉じ、円筒体１９内を沈降分離槽１と遮断して沈降分離
槽７内の圧力が逃げないようにする。Next, as shown in FIG. 3, the cylindrical body 19 is rotated using the handle 24 to close the bottom opening 15 of the sedimentation separation tank 7 with its side wall 17, and the inside of the cylindrical body 19 is isolated from the sedimentation separation tank 1, and the sedimentation separation tank is closed. Prevent the pressure inside 7 from escaping.
最後に排出管２２のボールバルブ２４を開けると共に排
出装置２１のピストン２０を円筒体１９内に進出させて
円筒体１９内の固形物２６を排出管２２へと除去する。Finally, the ball valve 24 of the discharge pipe 22 is opened and the piston 20 of the discharge device 21 is advanced into the cylindrical body 19 to remove the solid matter 26 inside the cylindrical body 19 into the discharge pipe 22.
以上の操作を繰り返ずことによって、沈降分離槽７内に
沈降している固形物２６を連続的に除去する。By repeating the above operations, the solid matter 26 that has settled in the sedimentation separation tank 7 is continuously removed.
尚、除去された小径固形物２６は排出管２２を介して混
合装置９へ供給し、固化剤供給装置８からの固化剤と混
合して注入管１０によってセグメント１１の裏側に裏込
め剤１１として充填する。The small-diameter solids 26 that have been removed are supplied to the mixing device 9 via the discharge pipe 22, mixed with the solidifying agent from the solidifying agent supply device 8, and then applied to the back side of the segment 11 by the injection pipe 10 as a backfilling agent 11. Fill.
信実絶倒では第４図示の如く前記の沈降分離槽７の底部
にその底部開口１５を介して連通ずると共に両側端間口
の且つ底部に排出口２７を有するケーシング２８を取り
付け、該ケーシング２８内に側壁２９の外周路１／３周
に亘って開口する側壁開口３０を備える円筒体３１を回
転自在に取り付け、該円筒体３１をハンドル３２で操作
するようにしておき、まずハンドル３２で円筒体３１を
回転させて円筒体３１の側壁開口３０を沈降分離槽７の
底部開口１５に合せて円筒体３１と沈降分ｌ１ｌｌＩ槽
７とを連通させ、沈降分離槽７内に沈降している小径の
固形物２６を円筒体３１内に収容する。As shown in the fourth figure, a casing 28 is attached to the bottom of the sedimentation separation tank 7, which communicates with the bottom opening 15 through the bottom opening 15, and has a discharge port 27 at both end openings and at the bottom. A cylindrical body 31 having a side wall opening 30 that opens over 1/3 of the outer circumference of the side wall 29 is rotatably attached, and the cylindrical body 31 is operated with a handle 32. is rotated to align the side wall opening 30 of the cylindrical body 31 with the bottom opening 15 of the sedimentation separation tank 7 to connect the cylindrical body 31 and the sedimentation tank 7, and remove small-diameter solids that have settled in the sedimentation separation tank 7. The object 26 is housed within the cylindrical body 31.
次に、ハンドル３２で円筒体３１を回転さぽてその側壁
２９で沈降分離槽７の底部間口１５を閉じて円筒体３１
内を沈降分離槽７と遮断し、沈降分離槽７内の圧力が逃
げないようにし、同時に側壁開口３０と合わさった排出
口２７より円筒体３１内の小径固形物２６を排出する。Next, rotate the cylindrical body 31 with the handle 32 and close the bottom opening 15 of the sedimentation separation tank 7 with the side wall 29 of the cylindrical body 31.
The inside of the cylinder body 31 is isolated from the sedimentation separation tank 7 to prevent the pressure inside the sedimentation separation tank 7 from escaping, and at the same time, the small-diameter solids 26 inside the cylindrical body 31 are discharged from the discharge port 27 which is aligned with the side wall opening 30.
以上の操作を繰り返すことによって、沈降分離槽７内に
沈降している固形物２６を連続的に除去する。By repeating the above operations, the solid matter 26 that has settled in the sedimentation separation tank 7 is continuously removed.
尚、除去された小径の固形物２６は前記実施例と同様に
裏込め剤として利用するようにしてもよい。Incidentally, the removed small-diameter solid matter 26 may be used as a backfilling agent as in the above embodiment.
（発明の効果）
このように、本発明によるときは、円筒体の回転操作の
みによって、圧力状態にある沈降分離槽の気密性を確保
して槽外に沈降物を除去でき、簡易、迅速に圧力管に連
通された沈降分離槽内の沈降物を除去できる効果を有す
る。(Effects of the Invention) As described above, according to the present invention, the airtightness of the settling tank under pressure can be ensured and the sediment can be removed from the tank simply and quickly by rotating the cylindrical body. It has the effect of removing sediment in the settling tank connected to the pressure pipe.
第１図は泥水シールド工法の概略説明線図、第２図並び
に第３図は本発明方法の１実施例の工程を示す沈降分離
槽近傍の載断面図、第４図並びに第５図は信実絶倒の工
程を示ず沈降分離槽近傍の載断面図である。Figure 1 is a schematic explanatory diagram of the muddy water shield method, Figures 2 and 3 are cross-sectional views of the vicinity of the settling tank showing the steps of one embodiment of the method of the present invention, and Figures 4 and 5 are actual diagrams. FIG. 2 is a cross-sectional view of the vicinity of the sedimentation tank, showing no overwhelming process.
Claims (1)
を、該沈降分離槽の底部開口と連通自在の側壁開口を備
えた回転自在の円筒体内に該側壁開口を介して収容し、
次で該円筒体を回転させてその側壁で該底部開口を閉じ
、該円筒体内を該沈降分離槽と遮断しておいて該円筒体
内の沈降物を外部に除去することから成る圧力管に連通
された沈降分離槽内の沈降物除去方法。The sediment settled in a sedimentation tank connected to a pressure pipe is housed in a rotatable cylindrical body having a side wall opening that can freely communicate with the bottom opening of the sedimentation separation tank, through the side wall opening,
Next, the cylindrical body is rotated to close the bottom opening with its side wall, and the cylindrical body is isolated from the sedimentation separation tank, and the sediment inside the cylindrical body is communicated with a pressure pipe that is removed to the outside. A method for removing sediment in a sedimentation separation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22892785A JPS6291207A (en) | 1985-10-16 | 1985-10-16 | Method of removing precipitate in precipitator connected to pressure pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22892785A JPS6291207A (en) | 1985-10-16 | 1985-10-16 | Method of removing precipitate in precipitator connected to pressure pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6291207A true JPS6291207A (en) | 1987-04-25 |
Family
ID=16884036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22892785A Pending JPS6291207A (en) | 1985-10-16 | 1985-10-16 | Method of removing precipitate in precipitator connected to pressure pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6291207A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5033555A (en) * | 1973-07-30 | 1975-03-31 | ||
| JPS52129061A (en) * | 1976-04-22 | 1977-10-29 | Shin Meiwa Ind Co Ltd | Device for discharge of sludge in waste water disposal tank |
| JPS597008B2 (en) * | 1977-11-04 | 1984-02-16 | 川崎重工業株式会社 | 2-cycle engine exhaust control device |
-
1985
- 1985-10-16 JP JP22892785A patent/JPS6291207A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5033555A (en) * | 1973-07-30 | 1975-03-31 | ||
| JPS52129061A (en) * | 1976-04-22 | 1977-10-29 | Shin Meiwa Ind Co Ltd | Device for discharge of sludge in waste water disposal tank |
| JPS597008B2 (en) * | 1977-11-04 | 1984-02-16 | 川崎重工業株式会社 | 2-cycle engine exhaust control device |
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