JPH11324012A - Solidification treatment equipment of mud - Google Patents

Solidification treatment equipment of mud

Info

Publication number
JPH11324012A
JPH11324012A JP13215798A JP13215798A JPH11324012A JP H11324012 A JPH11324012 A JP H11324012A JP 13215798 A JP13215798 A JP 13215798A JP 13215798 A JP13215798 A JP 13215798A JP H11324012 A JPH11324012 A JP H11324012A
Authority
JP
Japan
Prior art keywords
mud
pump
kneading device
solidifying agent
storage means
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
Application number
JP13215798A
Other languages
Japanese (ja)
Inventor
Akinori Tokunaga
昭典 徳永
Nobuyuki Nobuhara
伸幸 延原
Makoto Tamura
真 田村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kato Heavy Industries Construction Machinery Co Ltd
IHI Amtec Co Ltd
Original Assignee
IHI Amtec Co Ltd
Ishikawajima Construction Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IHI Amtec Co Ltd, Ishikawajima Construction Machinery Co Ltd filed Critical IHI Amtec Co Ltd
Priority to JP13215798A priority Critical patent/JPH11324012A/en
Publication of JPH11324012A publication Critical patent/JPH11324012A/en
Pending legal-status Critical Current

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  • Treatment Of Sludge (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide solidification treatment equipment of mud which has a large degree of freedom with regard to arrangement of respective apparatuses and securely transfers the mud from a storage means thereof to a kneading device. SOLUTION: This equipment is provided with a mud storage means 1 holding mud fed through a receiving device 2, a first slurry pump 4 force-feeding mud sent out of the discharge opening 1b of the mud storage means 1, a kneader 6 receiving and kneading the mud sent by the slurry pump 4 and continuously discharging it, a solidifier feeder 10 supplying a solidifier to the kneader 6, a second slurry pump 20 and a slurry pipe 21 force-feeding the mud discharged from the kneader 6, and an air blowing means 23 ejecting compressed air into the slurry pipe 21.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、港湾、湖沼、河川
等で浚渫された泥土や下水汚泥等の比較的軟弱な泥土を
固化剤と混合して連続的に固化処理するための泥土の固
化処理設備に関するものである。
TECHNICAL FIELD The present invention relates to solidification of mud for relatively solidifying mud dredged in harbors, lakes, rivers, rivers and the like with a solidifying agent to continuously solidify. It relates to processing equipment.

【0002】[0002]

【従来の技術と発明が解決しようとする課題】従来よ
り、これらの泥土の固化処理設備として、例えば特開平
8−117798号公報に開示のものが知られている。
2. Description of the Related Art Conventionally, as a facility for solidifying such mud, the one disclosed in, for example, JP-A-8-117798 is known.

【0003】この処理設備は、下部の排出口に流量調整
手段を備えた軟泥を貯留する軟泥タンクと、この軟泥タ
ンクから排出される軟泥を受け入れてセメント等の固化
剤とともに攪拌混合する2軸パドルミキサーからなる混
練装置と、前記混練装置に前記固化剤を供給する固化剤
供給装置と、この混練装置の後続に設けられた送泥用の
加圧ポンプと、該加圧ポンプの後続の配送管と、配送管
に空気を吹き込むエゼクタとからなるもので、軟泥を固
化剤と混合して空気吹き込みによるプラグ流を利用して
遠方へ移送して処理するものである。
[0003] This treatment equipment comprises an ooze tank for storing ooze having a flow rate adjusting means at a lower outlet, and a biaxial paddle for receiving ooze discharged from the ooze tank and stirring and mixing it with a solidifying agent such as cement. A kneading device comprising a mixer, a solidifying agent supply device for supplying the solidifying agent to the kneading device, a pressurizing pump for mud feeding provided subsequent to the kneading device, and a delivery pipe subsequent to the pressurizing pump And an ejector that blows air into the delivery pipe. The soft mud is mixed with a solidifying agent and transferred to a distant place using a plug flow by blowing air to be processed.

【0004】しかしながら、前記の処理設備では、混練
装置が軟泥タンク下部の排出口の直下にあって、軟泥タ
ンクの泥土は重力作用によって排出されて混練装置に入
るようになっている。そのため、軟泥タンクの排出口と
混練装置の流入口との間の高低差や平面的な配置(距離
等)等が限定される結果となり、設計上の制約を受ける
ことになる。
However, in the above-mentioned processing equipment, the kneading device is located immediately below the outlet at the lower part of the ooze tank, and the mud in the ooze tank is discharged by gravity to enter the kneading device. For this reason, the height difference between the discharge port of the ooze tank and the inflow port of the kneading device, the planar arrangement (distance, etc.), and the like are limited, and the design is restricted.

【0005】また、この処理設備の場合、軟泥タンクと
混練装置とが上下に配置される関係で、泥土の受入れ高
さが高くなって、バックホー等による泥土の投入作業が
行ない難くなるという問題もある。
[0005] Further, in the case of this treatment equipment, since the soft mud tank and the kneading device are arranged vertically, the receiving height of the mud becomes high, and it becomes difficult to carry out the work of pouring the mud by a backhoe or the like. is there.

【0006】さらに、セメント等の固化剤と混練された
泥土を混練装置のヘッド圧を利用して加圧ポンプに送り
込むようにしているが、この混練された泥土中に空気が
混在していると、加圧ポンプによる圧送のための昇圧効
果が低下することになるので、混練泥土中の空気を抜い
て加圧ポンプに送り込むことが望まれる。
Further, mud mixed with a solidifying agent such as cement is fed to a pressure pump using the head pressure of a kneading apparatus. However, if air is mixed in the kneaded mud. Since the pressurizing effect for the pressure feeding by the pressurizing pump is reduced, it is desired that the air in the kneaded mud be removed and sent to the pressurizing pump.

【0007】なお、前記と同様の固化処理設備として、
前記軟泥タンクに相当する貯泥槽の軟泥を、該槽内に下
端を没入させた竪型スクリューコンベアを用いて揚泥
し、後続の混練装置に流入させるようにしたものも提案
(特開平8−108200号公報)されているが、この
場合も、竪型スクリューコンベアの排出口と混練装置の
流入口の高低差や平面的な配置等については制約を受け
ることになる。
[0007] The same solidification processing equipment as described above,
A proposal has also been made for raising the mud of a mud storage tank corresponding to the above-mentioned mud tank using a vertical screw conveyor having a lower end immersed in the tank and flowing the mud into a subsequent kneading device (Japanese Patent Laid-Open No. Hei 8 (1996) -108). However, also in this case, the height difference between the outlet of the vertical screw conveyor and the inlet of the kneading device, the planar arrangement, and the like are restricted.

【0008】本発明は、上記に鑑みてなしたものであ
り、その第1の目的は、投入される泥土を受ける泥土貯
留手段と混練装置等の高低差や平面的な配置に制約を受
けず、浚渫船に搭載する上での設計および各装置の配置
の自由度が高く、しかも受入れた泥土貯留手段から混練
装置への移送を確実に行なえるようにした泥土の固化処
理設備を提供するものである。
SUMMARY OF THE INVENTION The present invention has been made in view of the above, and a first object of the present invention is to limit the height difference and the planar arrangement of a mud storage means and a kneading device for receiving mud to be input. The purpose of the present invention is to provide a mud solidification processing facility which has a high degree of freedom in designing and mounting each device on a dredger, and can surely transfer the received mud storage means to a kneading device. is there.

【0009】[0009]

【課題を解決するための手段】本発明は、貯留された泥
土を移送し、移送途中において固化剤を混合して圧送す
る軟泥の固化処理設備であって、請求項1の発明におい
ては、受入れ装置を介して投入される泥土を貯留すると
ともに、下部の排出口に泥土を送出する排出手段を備え
た泥土貯留手段と、前記泥土貯留手段の排出口に接続さ
れて、該排出口より排出される泥土を圧送する第1の送
泥ポンプと、前記送泥ポンプにより連続的に送られる泥
土を受け入れて攪拌し連続的に排出する混練装置と、前
記混練装置に接続されて固化剤を該混練装置に供給する
固化剤供給装置と、前記混練装置より排出される固化剤
混合済の泥土を圧送する第2の送泥ポンプおよび該ポン
プに接続された送泥管とを備えてなることを特徴とす
る。
According to the present invention, there is provided an apparatus for solidifying a soft mud which transfers stored mud, mixes and solidifies a solidifying agent during the transfer, and receives the mud. A mud storing means for storing mud input through the device, and having a discharging means for sending mud to a lower discharge port, and a mud storing means connected to a discharge port of the mud storing means and discharged from the discharge port. A first mud pump for pumping mud, a kneading device for receiving mud continuously fed by the mud pump, stirring and continuously discharging the mud, and a kneading device connected to the kneading device for kneading the solidifying agent. A solidifying agent supply device for supplying to the device, a second mud feeding pump for pressure-feeding the mud mixed with the solidifying agent discharged from the kneading device, and a mud feeding pipe connected to the pump. And

【0010】この固化処理設備によれば、浚渫機械等に
より投入される泥土を受入装置を介して泥土貯留手段に
より貯留し、適宜攪拌して軟泥度を調整しながら下部排
出口に備えるスクリューフィーダ等の排出手段により排
出し、排出された泥土を、第1の送泥ポンプの圧送力で
移送管を通じて混練装置に給送することができる。
According to the solidification treatment equipment, the mud introduced by the dredging machine or the like is stored by the mud storing means through the receiving device, and the screw feeder provided at the lower discharge port while adjusting the degree of the soft mud by appropriately stirring the mud is stored. And the discharged mud can be fed to the kneading device through the transfer pipe by the pumping force of the first mud pump.

【0011】このように第1の送泥ポンプの圧送力を利
用して泥土を給送することとしたので、混練装置がどの
ような位置にあっても泥土を給送できる。例えば混練装
置の受入れ口が泥土貯留手段の排出口より高い位置にあ
っても、泥土を該混練装置へ連続して確実に給送でき
る。
As described above, since the mud is fed by using the pumping force of the first mud pump, the mud can be fed regardless of the position of the kneading apparatus. For example, even if the receiving port of the kneading device is located at a position higher than the discharge port of the mud storing means, the mud can be continuously and reliably fed to the kneading device.

【0012】また前記混練装置においては、固化剤供給
装置より流量に応じた適量のセメント等の固化剤が供給
されており、該混練装置の内部で、連続的に送られてく
る泥土と固化剤とを充分に混合攪拌した後、この泥土を
排出口から連続して排出し、その後続に設けられている
圧送用の第2の送泥ポンプに送り、該送泥ポンプで昇圧
して送泥管を通じて圧送して処理する。この際、移送途
中で圧縮空気を吹き込めば遠方まで移送できる。
In the kneading apparatus, an appropriate amount of a solidifying agent such as cement according to the flow rate is supplied from a solidifying agent supplying apparatus. After sufficiently mixing and stirring the mud, the mud is continuously discharged from the discharge port, and is sent to a second mud pump for pressure feeding provided thereafter, and the pressure is increased by the mud pump to send mud. Process by pumping through pipes. At this time, if compressed air is blown during the transfer, it can be transferred to a distant place.

【0013】請求項2の発明は、前記混練装置より排出
される固化剤混合済の泥土を圧送するための第2の送泥
ポンプを、ピストン型加圧ポンプとしたものである。例
えば遠心型ポンプは送泥距離が20〜30mまでであ
り、長距離の移送を行なうには、圧縮空気を吹き込みを
利用する必要があるが、前記第2の送泥ポンプがピスト
ン型加圧ポンプである場合には、該ポンプの出口圧力が
大きく、後続の送泥管において圧縮空気を吹き込まなく
ても、200〜300m程度の比較的距離のある送泥が
可能になる。
According to a second aspect of the present invention, the second mud pump for pumping the mud mixed with the solidifying agent discharged from the kneading apparatus is a piston type pressurizing pump. For example, the centrifugal pump has a mud feeding distance of up to 20 to 30 m, and it is necessary to use compressed air to blow a long distance, but the second mud pump is a piston type pressurizing pump. In this case, the outlet pressure of the pump is large, and a relatively long distance of about 200 to 300 m can be supplied without blowing compressed air into the subsequent supply pipe.

【0014】請求項3の発明は、前記混練装置より排出
される固化剤混合済の泥土を受け入れて一旦貯留する中
間貯留手段を備え、該中間処理手段より泥土を圧送用の
第2の送泥ポンプに送り込むようにしたものである。こ
れにより、混練装置より排出される泥土を一旦貯留し
て、混練泥土中の空気を抜いた後、第2の送泥ポンプに
送り込むことができ、該送泥ポンプによる昇圧効果を低
下させることがない。
According to a third aspect of the present invention, there is provided an intermediate storage means for receiving and temporarily storing the mud mixed with the solidifying agent discharged from the kneading apparatus, and a second mud feeder for pressure-feeding the mud from the intermediate processing means. It is designed to be sent to a pump. Thereby, the mud discharged from the kneading device is temporarily stored, and after the air in the kneaded mud is evacuated, the mud can be sent to the second mud pump, and the pressurizing effect by the mud pump can be reduced. Absent.

【0015】請求項4の発明は、前記の中間貯留手段の
下部の排出口にスクリューフィーダを設け、泥土を強制
的に排出して第2の送泥ポンプに送り込むようにしたも
のである。これにより、中間貯留手段に一旦貯留した固
化剤混合済の泥土を、下部の排出口よりスクリューフィ
ーダによって強制的に第2の送泥ポンプに送り込むこと
ができる。
According to a fourth aspect of the present invention, a screw feeder is provided at a lower discharge port of the intermediate storage means so that mud is forcibly discharged and sent to a second mud pump. Thereby, the mud mixed with the solidifying agent once stored in the intermediate storing means can be forcibly sent from the lower outlet to the second mud feed pump by the screw feeder.

【0016】また請求項5の発明は、前記各発明の第1
の送泥ポンプから混練装置への移送管に、開閉弁付きの
バイパス用管路を接続するとともに、該バイパス用管路
の出口を前記中間貯留手段あるいは第2の送泥ポンプよ
り下流の送泥管に接続し、第1の送泥ポンプにより圧送
される泥土を、前記固化剤供給装置および混練装置を迂
回して送泥できるようにしたことを特徴とする。
According to a fifth aspect of the present invention, there is provided the first aspect of the invention.
A bypass pipe with an on-off valve is connected to the transfer pipe from the mud pump to the kneading device, and the outlet of the bypass pipe is connected to the intermediate storage means or the mud pump downstream of the second mud pump. It is characterized in that mud connected to a pipe and pumped by a first mud pump can be sent by bypassing the solidifying agent supply device and the kneading device.

【0017】これにより、固化剤の混合処理が不要な泥
土については、第1の送泥管の圧送力を利用して、混練
装置部分を通過させることなく中間貯留手段あるいは第
2の送泥ポンプより下流の送泥管に送り込んで圧送処理
することができ、第1の送泥ポンプを圧送ポンプとして
利用できることになる。
Thus, for mud which does not require the mixing treatment of the solidifying agent, the intermediate storage means or the second mud pump is used without passing through the kneading device portion by utilizing the pressure feeding force of the first mud feeding pipe. It can be fed into a downstream mud feed pipe for pressure feeding processing, and the first mud feed pump can be used as a pressure feed pump.

【0018】[0018]

【発明の実施の形態】次に本発明の実施の形態を図面に
示す実施例に基いて説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described based on embodiments shown in the drawings.

【0019】図1は本発明に係る泥土の固化処理設備の
1実施例の概略を示す配置系統図、図2は受入れ装置と
泥土貯留手段部分の拡大正面図である。
FIG. 1 is a schematic diagram showing an arrangement of a mud solidification treatment facility according to an embodiment of the present invention, and FIG. 2 is an enlarged front view of a receiving device and mud storing means.

【0020】図において、(1)は受入れ装置(2)を
介して投入される泥土を貯留するホッパーやタンク等の
泥土貯留手段である。受入れ装置(2)は、例えば一次
格子や振動スクリーン(2a)およびグリズリーフィー
ダ(2b)を備える受入れホッパー(2c)、粘土塊を
砕く解砕装置(粘土切り装置)(2d)、岩石やその他
の固形物を除去する篩用の振動スクリーン(2e)、お
よび水噴霧手段等(図示省略)を備えている。
In the drawing, (1) is a mud storing means such as a hopper or a tank for storing mud inputted through the receiving device (2). The receiving device (2) includes, for example, a receiving hopper (2c) provided with a primary grid, a vibrating screen (2a) and a grizzly feeder (2b), a crushing device (clay cutting device) (2d) for breaking clay mass, rocks and other materials. It is equipped with a vibrating screen (2e) for a sieve for removing solid matter, a water spraying means and the like (not shown).

【0021】前記泥土貯留手段(1)は、内部に貯留す
る泥土を攪拌し軟泥度を調整する攪拌手段(1a)を備
え、さらに下部の排出口(1b)に泥土を所定量ずつ送
出する排出手段としてのスクリューフィーダ(3)を備
えている。このスクリューフィーダ(3)は、図のよう
な水平型のもののほか、傾斜型であってもよい。また排
出手段としては、前記のスクリューフィーダ(3)以外
の排出手段を設けて実施することもできる。(1c)は
異物用ピットである。
The mud storing means (1) is provided with a stirring means (1a) for stirring the mud stored therein to adjust the degree of ooze, and further discharging the mud to a predetermined discharge port (1b) at a lower portion. A screw feeder (3) is provided as a means. The screw feeder (3) may be a horizontal type as shown in the drawing, or an inclined type. Further, as the discharging means, a discharging means other than the screw feeder (3) may be provided. (1c) is a foreign matter pit.

【0022】(4)は前記泥土貯留手段(1)の排出口
(1b)に接続された第1の送泥ポンプであり、前記排
出口(1b)より排出される泥土を移送管(5)を通じ
て圧送して後述する混練装置(6)に送り込むように設
けられている。前記移送管(5)には、移送される泥土
の流量計(7)と密度計(8)が設けられており、これ
らの測定値は制御部(図示せず)に送られる。
(4) is a first mud pump connected to the discharge port (1b) of the mud storage means (1), and transfers the mud discharged from the discharge port (1b) to a transfer pipe (5). And is fed to a kneading device (6) to be described later. The transfer pipe (5) is provided with a flow meter (7) and a density meter (8) for the mud to be transferred, and these measured values are sent to a control unit (not shown).

【0023】前記混練装置(6)は、前記第1の送泥ポ
ンプ(4)により連続的に移送される泥土を受け入れて
固化剤と混練するように設けられており、通常、その受
入れ口が前記泥土貯留手段(1)の排出口(1b)より
上方位置にあるように、例えば図1のように泥土貯留手
段(1)の側方の略同高さ位置に配置される。この混練
装置(6)は、竪型または横型の2軸パドルミキサ、例
えば図のように横型の2軸パドルミキサにより構成され
ている。(6a)は混練装置(6)の一端側上部に設け
た受入れ口、(6b)は他端側下部に設けた排出口であ
る。なお、混練装置としては前記パドルミキサ以外のミ
キサを採用することもでき、またその配置も図示のもの
に限られない。
The kneading device (6) is provided so as to receive mud continuously transferred by the first mud pump (4) and to knead it with a solidifying agent. For example, as shown in FIG. 1, the mud storing means (1) is arranged at a position substantially at the same side of the mud storing means (1) as to be located above the discharge port (1b) of the mud storing means (1). The kneading device (6) is constituted by a vertical or horizontal two-axis paddle mixer, for example, a horizontal two-axis paddle mixer as shown in the figure. (6a) is a receiving port provided at an upper portion of one end of the kneading device (6), and (6b) is a discharge port provided at a lower portion of the other end. It should be noted that a mixer other than the paddle mixer may be employed as the kneading device, and the arrangement thereof is not limited to the illustrated one.

【0024】(10)は前記混練装置(6)に接続され
てセメント等の固化剤を該混練装置(6)に供給する固
化剤供給装置である。この固化剤供給装置(10)は、
混練装置(6)に供給される泥土量に応じて適量の固化
剤を供給できるものであれば、どのような構造のもので
あってもよいが、図示する実施例の場合には、下部にロ
ータリーフィーダ等の給送手段を備えるセメント等の固
化剤サイロ(11)と、該固化剤サイロ(11)から給
送される固化剤を、計量器(13)およびロータリーフ
ィーダ等の定量供給手段(14)を介して所定量ずつ混
練装置(6)に連続して供給できるように設けられてい
る。前記の固化剤の定量供給手段(14)は、前記流量
計(7)や密度計(8)の測定値が入力される制御部
(図示省略)により、混練装置(6)に送り込まれる泥
土量に応じて設定された固化剤量となるように制御され
る。
A solidifying agent supply device (10) is connected to the kneading device (6) and supplies a solidifying agent such as cement to the kneading device (6). This solidifying agent supply device (10)
Any structure can be used as long as it can supply an appropriate amount of solidifying agent according to the amount of mud supplied to the kneading device (6). A solidifying agent silo (11) such as cement provided with a feeding unit such as a rotary feeder and a solidifying agent fed from the solidifying agent silo (11) are quantitatively supplied by a measuring device (13) and a rotary feeder or the like. It is provided so that a predetermined amount can be continuously supplied to the kneading device (6) via the device (14). The solidifying agent quantitative supply means (14) is provided with a control unit (not shown) to which the measured values of the flow meter (7) and the density meter (8) are input, and the amount of mud sent to the kneading device (6). Is controlled so as to be the amount of the solidifying agent set in accordance with.

【0025】(15)は前記混練装置(6)の後続にお
いて前記排出口(6b)より排出される混練された固化
剤混合済の泥土を受入れて一旦貯留するホッパー等の中
間貯留手段であり、通常、前記送泥ポンプ(20)の直
前または直上に設けられる。この中間貯留手段(15)
は、貯留した混練泥土中の空気抜き作用を果すように設
けられている。そのため、内部に攪拌手段を設けて泥土
を適度に攪拌できるようにするのがよい。またこの中間
貯留手段(15)の下部に有する排出口(17)にスク
リューフィーダ(18)を有し、泥土を強制的にかつ空
気を混入させずに排出して後述の送泥ポンプに送り込む
ようになっている。
(15) an intermediate storage means such as a hopper for receiving and temporarily storing the kneaded mixed solidified clay discharged from the discharge port (6b) after the kneading device (6); Usually, it is provided immediately before or directly above the mud pump (20). This intermediate storage means (15)
Is provided so as to perform an air bleeding action in the stored kneaded mud. Therefore, it is preferable to provide a stirring means inside so that the mud can be appropriately stirred. A screw feeder (18) is provided at a discharge port (17) provided at a lower portion of the intermediate storage means (15) so that mud is forcibly discharged without mixing air and fed to a mud pump described later. It has become.

【0026】前記第2の送泥ポンプ(20)が複数台設
置される場合には、前記固化剤混合済の泥土を各送泥ポ
ンプに均等に振り分け供給するように、各送泥ポンプ
(20)の直上または直前に設けられる前記中間貯留手
段(15)の上方に振り分け装置(図示省略)を配して
実施すればよい。
When a plurality of the second mud pumps (20) are installed, each mud pump (20) is so distributed as to evenly supply the mud mixed with the solidifying agent to each mud pump. ) May be implemented by disposing a sorting device (not shown) above the intermediate storage means (15) provided immediately before or immediately before).

【0027】(20)は前記中間貯留手段(15)の後
続に設けられた圧送用の第2の送泥ポンプであり、遠心
ポンプ等の加圧ポンプよりなり、前記中間貯留手段(1
5)より排出される泥土を送泥管(21)を通じて圧送
できるようになっている。(22)は前記送泥ポンプ
(20)の後続の送泥管(21)の途中に設けた空気吹
き込み手段であり、コンプレッサから供給される圧縮空
気を送泥管(21)に吹き込むようになっており、これ
により送泥ポンプ(20)より送出される泥土を遠方ま
で効率よく移送できるようになっている。また送泥ポン
プ(20)から空気吹き込み位置までの送泥管(21)
には逆止弁(23)と流量計(24)が設けられてい
る。(25)は管内掃除装置である。
[0027] Reference numeral (20) denotes a second sludge pump for pressure feeding provided after the intermediate storage means (15), which comprises a pressurizing pump such as a centrifugal pump.
The mud discharged from 5) can be pumped through a mud pipe (21). Numeral (22) denotes an air blowing means provided in the middle of a mud pipe (21) following the mud pump (20), and blows compressed air supplied from a compressor into the mud pipe (21). As a result, the mud sent from the mud pump (20) can be efficiently transferred to a distant place. A mud pipe (21) from the mud pump (20) to the air blowing position.
Is provided with a check valve (23) and a flow meter (24). (25) is an in-pipe cleaning device.

【0028】さらに図示する実施例の場合、前記第1の
送泥ポンプ(4)と混練装置(6)との間の移送管
(5)には、開閉弁(26)付きのバイパス用管路(2
7)が流路切替可能に接続されるとともに、このバイパ
ス用管路(27)の出口が、前記中間貯留手段(15)
に、あるいは前記第2の送泥ポンプ(20)より下流の
送泥管(21)における空気吹き込み前の位置に接続さ
れており、第1の送泥ポンプ(4)により強制的に送ら
れる泥土を、前記固化剤供給装置(10)および混練装
置(6)を迂回して前記中間貯留手段(15)あるいは
前記送泥管(21)に直接送り込むことができるように
なっている。これは、泥土貯留手段(1)より排出され
る泥土を、第1の送泥ポンプ(4)により圧送する構成
としたことにより可能なものである。図1のように、バ
イパス用管路(27)が、中間貯留手段(15)と送泥
管(21)との双方に接続される場合は、両管路の分岐
部分に切替手段(図示せず)を設けておく。
In the embodiment shown in the figure, a transfer pipe (5) between the first mud pump (4) and the kneading device (6) is provided with a bypass pipe with an on-off valve (26). (2
7) is connected so that the flow path can be switched, and the outlet of the bypass pipe (27) is connected to the intermediate storage means (15).
Or a mud which is forcibly fed by the first mud pump (4), which is connected to a position before the air is blown in the mud pipe (21) downstream of the second mud pump (20). Can be sent directly to the intermediate storage means (15) or the mud pipe (21), bypassing the solidifying agent supply device (10) and the kneading device (6). This is possible because the mud discharged from the mud storing means (1) is pumped by the first mud pump (4). As shown in FIG. 1, when the bypass pipe (27) is connected to both the intermediate storage means (15) and the mud feed pipe (21), the switching means (shown in FIG. ) Is provided.

【0029】上記した実施例の固化処理設備の運転状態
について説明する。バックホー等の浚渫機械やサイクロ
ン装置等の投入手段(30)により投入される泥土を受
入れ装置(2)を介して木片、岩石、古タイヤ等の荒ご
みを除去し、土塊を解砕して泥土貯留手段(1)に貯留
し、適宜攪拌して軟泥度を調整しながら下部排出口(1
b)に備えるスクリューフィーダ(3)により排出す
る。こうして排出された泥土を、第1の送泥ポンプ
(4)の圧送力を利用して移送管(5)を通じて混練装
置(6)に給送する。
An operation state of the solidification processing equipment of the above embodiment will be described. The mud introduced by a dredging machine such as a backhoe or a charging means (30) such as a cyclone device is removed through a receiving device (2) to remove waste such as wood chips, rocks, old tires, etc. It is stored in the storage means (1), and the lower discharge port (1) is adjusted while appropriately stirring and adjusting the degree of ooze.
Discharge by the screw feeder (3) provided in b). The mud discharged in this way is fed to the kneading device (6) through the transfer pipe (5) using the pumping force of the first mud pump (4).

【0030】このように第1の送泥ポンプ(4)の圧送
力で前記混練装置(6)へ送り込むので、混練装置
(6)がどのような位置にあっても泥土を確実に給送で
きる。すなわち、混練装置(6)の受入れ口(6a)を
泥土貯留手段(1)の排出口(1b)より上方に位置す
るように、例えば図1のように泥土貯留手段(1)を混
練装置(6)の側方に設置して実施できる。この場合、
泥土貯留手段(1)の上方に配される受入れ装置(2)
を低く設定できるため、バックホー等の浚渫機械やサイ
クロン装置等による泥土投入作業が容易に行なえ、また
浚渫船に搭載する場合の各装置の高低や配置の設計が自
由になる。
As described above, the slurry is fed to the kneading device (6) by the pumping force of the first mud pump (4), so that the mud can be reliably fed regardless of the position of the kneading device (6). . That is, the mud storage means (1) is connected to the kneading device (1) as shown in FIG. 1, for example, so that the receiving port (6a) of the kneading device (6) is located above the discharge port (1b) of the mud storing device (1). It can be installed on the side of 6). in this case,
Receiving device (2) arranged above mud storage means (1)
Can be set to a low value, so that the mud charging operation can be easily performed by a dredging machine such as a backhoe or a cyclone device, and the height and arrangement of each device when mounted on a dredger can be freely designed.

【0031】例えば、固化処理設備を浚渫船等に搭載す
る場合において、船体の上甲板の上に、泥土の受け入れ
装置(2)と泥土貯留手段(1)を、第1の送泥ポンプ
(4)、混練装置(6)および固化剤供給装置(10)
を配置し、上甲板の下方に、中間貯留手段(15)およ
び第2の送泥ポンプ(20)や空気吹き入れ手段(2
2)等の圧送装置を配置することができる。もちろん、
陸上等において同様の配置で実施することもできる。
For example, when the solidification treatment equipment is mounted on a dredger or the like, a mud receiving device (2) and a mud storing means (1) are provided on a hull upper deck by a first mud pump (4). , Kneading device (6) and solidifying agent supply device (10)
And an intermediate storage means (15), a second mud pump (20) and an air blowing means (2) below the upper deck.
2) etc. can be arranged. of course,
It can also be implemented in a similar arrangement on land or the like.

【0032】そして、前記混練装置(6)においては、
固化剤供給装置(10)より泥土量に応じた適量のセメ
ント等の固化剤が供給されており、該混練装置(6)の
内部で、連続的に送られてくる泥土と固化剤とが充分に
混合攪拌した後、排出口(6b)から連続して排出して
中間貯留手段(15)に送り込み、ここで一旦貯留し
て、攪拌等を行なって泥土中の空気を抜いた後、下部の
排出口(17)よりスクリューフィーダ(18)によっ
て強制的に排出して圧送用の第2の送泥ポンプ(20)
に送り込む。これにより、該送泥ポンブ(20)による
昇圧効果を低下させることなく効率よく圧送できる。そ
して送泥ポンプ(20)から送出される泥土は送泥管
(21)により移送されるとともに、その移送途中に吹
き込まれる圧縮空気により遠方にまで移送されて排出さ
れる。
In the kneading device (6),
An appropriate amount of a solidifying agent such as cement according to the amount of mud is supplied from the solidifying agent supply device (10), and the continuously sent mud and solidifying agent are sufficiently supplied inside the kneading device (6). After mixing and stirring, the air is continuously discharged from the discharge port (6b) and sent to the intermediate storage means (15), where the air is temporarily stored, agitated, and the like, and air in the mud is removed. A second sludge pump (20) for forcibly discharging from a discharge port (17) by a screw feeder (18) and for pressure feeding.
Send to As a result, the pressure can be efficiently pumped without lowering the pressurizing effect of the mud pump (20). The mud sent from the mud pump (20) is transported by a mud pipe (21), and is further transported and discharged by compressed air blown during the transport.

【0033】なお、固化剤の混合処理が不要な泥土の場
合には、混練装置(6)への移送管(5)に接続したバ
イパス用管路(27)の開閉弁(26)を開き、移送管
(5)側の弁(5a)を閉じて、前記第1の送泥ポンプ
(4)の圧送力を利用して、泥土を移送管(5)からバ
イパス用管路(27)を経て中間貯留手段(15)ある
いは第2の送泥ポンプ(20)より下流の送泥管(2
1)に送り込んで圧送処理すればよく、固化剤を混合し
ない通常の泥土圧送の場合の運転効率を高めることがで
きる。特に、前記バイパス用管路(27)を通じて直接
送泥管(21)に泥土を給送するようにした場合、第2
の送泥ポンプ(20)を使用せずに、前記第1の送泥ポ
ンプ(4)を圧送用に利用することができる。
In the case of mud that does not require mixing of the solidifying agent, the on-off valve (26) of the bypass pipe (27) connected to the transfer pipe (5) to the kneading device (6) is opened, The valve (5a) on the transfer pipe (5) side is closed, and the mud is transferred from the transfer pipe (5) through the bypass pipe (27) using the pumping force of the first mud pump (4). The sludge pipe (2) downstream from the intermediate storage means (15) or the second sludge pump (20)
What is necessary is just to send it to 1) and to carry out a pressure feed process, and the operating efficiency in the case of the usual mud pressure feed without mixing a solidifying agent can be improved. In particular, when the mud is directly fed to the mud pipe (21) through the bypass pipe (27), the second
The first mud pump (4) can be used for pressure feeding without using the mud pump (20).

【0034】図3は、第2の実施例の固化処理設備の概
略をしめす系統図である。
FIG. 3 is a system diagram showing the outline of the solidification processing equipment of the second embodiment.

【0035】この設備は、基本的に上記した第1の発明
の場合と同じ構成をなしており、同構成部分については
同符号を付してその詳しい説明を省略する。
This equipment basically has the same configuration as that of the first embodiment described above, and the same components are denoted by the same reference numerals and detailed description thereof will be omitted.

【0036】この実施例において、第2の送泥ポンプ
(20a)が、遠心型ポンプに比して出口圧力が格段に
大きいコンクリートポンプ等のピストン型加圧ポンプに
より構成されている。そのため、前記送泥管(21)に
は、図のようにプラグ輸送のための圧縮空気の吹き込み
手段(22)を設けておくこともできるが、第2の送泥
ポンプ(20a)として前記のピストン型加圧ポンプを
用いたことにより、この圧縮空気の吹き込み手段(2
2)を不要にでき、また逆止弁(23)も不要にでき
る。
In this embodiment, the second mud pump (20a) is constituted by a piston type pressurizing pump such as a concrete pump having an outlet pressure which is much higher than that of a centrifugal pump. Therefore, the mud feeding pipe (21) may be provided with compressed air blowing means (22) for plug transportation as shown in the figure, but the second mud feeding pump (20a) is provided with the above-mentioned means. By using a piston type pressurizing pump, this compressed air blowing means (2
2) can be eliminated, and the check valve (23) can be eliminated.

【0037】この実施例の固化処理設備の運転状態につ
いて説明すると、この処理設備においても、投入手段
(30)により投入される泥土を受入れ装置(2)を介
して泥土貯留手段(1)に貯留し、軟泥度を調整しなが
ら下部排出口(1b)に備えるスクリューフィーダ
(3)により排出し、排出された泥土を、第1の送泥ポ
ンプ(4)の圧送力を利用して移送管(5)を通じて混
練装置(6)に給送する。このため、混練装置(6)が
どのような位置にあっても泥土を給送でき、ひいては泥
土貯留手段(1)の上方に配される受入れ装置(2)を
低く設定でき、泥土投入作業が行ない易く、また浚渫船
に搭載する場合の各装置の高低や配置の設計が自由にな
る。
The operation state of the solidification processing equipment of this embodiment will be described. In this processing equipment, too, the mud introduced by the charging means (30) is stored in the mud storage means (1) via the receiving device (2). Then, the mud is discharged by a screw feeder (3) provided in a lower discharge port (1b) while adjusting the degree of the soft mud, and the discharged mud is transferred using a pumping force of a first mud pump (4). It is fed to the kneading device (6) through 5). For this reason, the mud can be fed regardless of the position of the kneading device (6), and the receiving device (2) disposed above the mud storing means (1) can be set low. It is easy to carry out, and the height and arrangement design of each device when mounted on a dredger is free.

【0038】そして、前記混練装置(6)において、固
化剤供給装置(10)より供給され固化剤と混合攪拌し
た泥土を中間貯留手段(15)を介して泥土中の空気を
抜いた後、圧送用の第2の送泥ポンプ(20)に送り込
む。これにより、該送泥ポンブ(20)による昇圧効果
を低下させることなく効率よく圧送できる。
Then, in the kneading device (6), the mud supplied from the solidifying agent supply device (10) and mixed and stirred with the solidifying agent is evacuated from the mud through the intermediate storage means (15), and then pressure-fed. Into the second mud pump (20). As a result, the pressure can be efficiently pumped without lowering the pressurizing effect of the mud pump (20).

【0039】しかもこの第2の泥ポンプ(20a)は、
ピストン型加圧ポンプよりなるので、該ポンプ(20
a)の出口圧力が大きく、後続の送泥管(21)におい
て圧縮空気を吹き込まなくても、200〜300mまで
送泥して処理することが可能になる。
Moreover, the second mud pump (20a)
Since it consists of a piston type pressurizing pump, the pump (20
The outlet pressure of a) is large, and it is possible to feed and process the mud up to 200 to 300 m without blowing compressed air in the subsequent mud pipe (21).

【0040】なお、上記した各発明の実施例では、いず
れも混練装置(6)から排出される泥土中の空気抜き、
および圧送用の第2の送泥ポンプ(20)(20a)へ
の送り込みのために中間貯留手段(15)を設けている
が、これを省略して、混練装置(6)の排出口(6b)
に第2の送泥ポンプ(20)(20a)を管路により連
結構成することもできる(図示せず)。この場合は、管
路の一部に空気抜き手段を設けて実施する。
In each of the above-described embodiments of the present invention, air is released from the mud discharged from the kneading device (6).
An intermediate storage means (15) is provided for feeding into the second mud pumps (20) and (20a) for pressure feeding, but this is omitted and the outlet (6b) of the kneading device (6) is omitted. )
Alternatively, the second mud pumps (20) and (20a) may be connected to each other by a pipe (not shown). In this case, an air venting means is provided in a part of the pipeline to carry out.

【0041】[0041]

【発明の効果】上記したように本発明の泥土の固化処理
設備によれば、港湾、湖沼、河川等で浚渫された泥土や
下水汚泥等の軟泥な泥土を、固化剤と混練して連続的に
処理できる。
As described above, according to the mud solidification treatment equipment of the present invention, soft mud such as mud dredged in harbors, lakes and rivers, and sewage sludge is kneaded with a solidifying agent and continuously mixed. Can be processed.

【0042】特に、泥土貯留手段から排出される泥土を
第1の送泥ポンプの圧送力によって混練装置に送り込む
ようにしたので、泥土貯留手段や混練装置等の配置に制
約を受けない。そのため、泥土貯留手段の排出口と混練
装置の受入れ口の間の高低差に対応し易く、例えば前記
受入れ口を前記排出口より上方に位置させる配置にする
ことも問題なく可能であり、また平面的な配置にも自由
度があって、浚渫船に搭載する場合の設計が容易にな
る。
In particular, since the mud discharged from the mud storing means is fed into the kneading apparatus by the pressure feeding force of the first mud pump, there is no restriction on the arrangement of the mud storing means and the kneading apparatus. Therefore, it is easy to cope with a height difference between the discharge port of the mud storing means and the receiving port of the kneading device.For example, it is possible to arrange the receiving port above the discharge port without any problem, There is a degree of freedom in the arrangement, and the design for mounting on a dredger becomes easy.

【0043】特に、請求項2の発明は、圧送用の第2の
送泥ポンプは、ピストン型加圧ポンプよりなるので、該
ポンプの出口圧力が大きく、後続の送泥管において圧縮
空気を吹き込まなくても中距離送泥による処理が可能と
なり、また空気吹き込みによる逆流を考慮する必要がな
く、逆止弁も不要にできる効果もある。
In particular, according to the second aspect of the present invention, since the second mud pump for pressure feeding is composed of a piston type pressurizing pump, the outlet pressure of the pump is large and compressed air is blown into the subsequent mud pipe. Even without this, it is possible to perform treatment by medium-range mud feeding, and there is no need to consider backflow due to air blowing, and there is also an effect that a check valve is not required.

【0044】さらに請求項3の発明においては、混練装
置から圧送用の送泥ポンプへの固化剤混合済の泥土の送
り込みを空気を混在させずに行なえ、特に請求項4のよ
うに強制的に送り込むことで、圧送用の第2の送泥ポン
プによる昇圧効果を低下させずに圧送でき、固化処理効
率を良好に保持できる。
Further, according to the third aspect of the present invention, the mud mixed with the solidifying agent can be fed from the kneading device to the pressure-feeding mud pump without mixing air, and in particular, the forcible forcing as in the fourth aspect can be achieved. By feeding, the pressure can be fed without lowering the pressurizing effect of the second feeding pump, and the solidification efficiency can be kept good.

【0045】さらに、請求項5の発明によれば、固化剤
を混合処理する必要のない泥土の圧送処理も効率よく実
施できる。
Further, according to the fifth aspect of the present invention, it is possible to efficiently carry out the pressure feeding treatment of the mud which does not require the mixing treatment with the solidifying agent.

【図面の簡単な説明】[Brief description of the drawings]

【図1】第1の発明の実施例の固化処理設備全体の概略
を示す配置系統図である。
FIG. 1 is an arrangement system diagram schematically showing an entire solidification processing facility according to an embodiment of the first invention.

【図2】受入れ装置と泥土貯留手段部分の拡大説明図で
ある。
FIG. 2 is an enlarged explanatory view of a receiving device and a mud storing means.

【図3】第2の発明の実施例の固化処理設備全体の概略
を示す配置系統図である。
FIG. 3 is an arrangement system diagram showing an outline of an entire solidification processing facility according to an embodiment of the second invention.

【符号の説明】[Explanation of symbols]

(1) 泥土貯留手段 (1a) 攪拌手段 (1b) 排出口 (2) 受入れ装置 (3) スクリューフィーダ (4) 第1の送泥ポンプ (5) 移送管 (6) 混練装置 (6a) 受入れ口 (6b) 排出口 (7) 流量計 (8) 密度計 (10) 固化剤供給装置 (11) 固化剤サイロ (13) 計量器 (14) 定量供給手段 (15) 中間貯留手段 (17) 排出口 (18) スクリューフィーダ (20)(20a) 圧送用の第2の送泥ポンプ (21) 送泥管 (22) 空気吹き込み手段 (23) 逆止弁 (27) バイパス用管路 (1) Mud storage means (1a) Stirring means (1b) Discharge port (2) Receiving device (3) Screw feeder (4) First mud pump (5) Transfer pipe (6) Kneading device (6a) Receiving port (6b) Discharge port (7) Flow meter (8) Density meter (10) Solidifying agent supply device (11) Solidifying agent silo (13) Measuring instrument (14) Quantitative supply means (15) Intermediate storage means (17) Discharge port (18) Screw feeder (20) (20a) Second mud feed pump for pressure feed (21) Mud feed pipe (22) Air blowing means (23) Check valve (27) Bypass line

───────────────────────────────────────────────────── フロントページの続き (72)発明者 田村 真 神奈川県横浜市金沢区昭和町3174番地 石 川島建機株式会社内 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Makoto Tamura 3174 Showa-cho, Kanazawa-ku, Yokohama-shi, Kanagawa Ishikawashima Construction Machinery Co., Ltd.

Claims (5)

【特許請求の範囲】[Claims] 【請求項1】貯留された泥土を移送し、移送途中におい
て固化剤を混合して圧送する泥土の固化処理設備であっ
て、 受入れ装置(2)を介して投入される泥土を貯留すると
ともに、下部の排出口(1b)に泥土を送出する排出手
段を備えた泥土貯留手段(1)と、 前記泥土貯留手段の排出口(1b)に接続されて、該排
出口(1b)より排出される泥土を圧送する第1の送泥
ポンプ(4)と、 前記送泥ポンプにより連続的に送られる泥土を受け入れ
て攪拌し連続的に排出する混練装置(6)と、 前記混練装置(6)に接続されて固化剤を該混練装置
(6)に供給する固化剤供給装置(10)と、 前記混練装置(6)より排出される固化剤混合済の泥土
を圧送する第2の送泥ポンプ(20,20a)および該
ポンプに接続された送泥管(21)とを備えてなること
を特徴とする泥土の固化処理設備。
An apparatus for solidifying mud which transfers stored mud, mixes and solidifies a solidifying agent during the transfer, and stores mud input through a receiving device (2). Mud storage means (1) provided with a discharge means for sending mud to a lower discharge port (1b); connected to the discharge port (1b) of the mud storage means, and discharged from the discharge port (1b). A first mud pump (4) for pumping mud, a kneading device (6) for receiving, stirring and continuously discharging mud continuously sent by the mud pump, and a kneading device (6). A solidifying agent supply device (10) that is connected to supply the solidifying agent to the kneading device (6); and a second mud pump () that pressure-feeds the mud mixed with the solidifying agent discharged from the kneading device (6). 20, 20a) and a mud pipe (2) connected to the pump. ) And solidification equipment mud characterized by comprising comprises a.
【請求項2】前記第2の送泥ポンプがピストン型加圧ポ
ンプよりなる請求項1に記載の泥土の固化処理設備。
2. The facility for solidifying mud according to claim 1, wherein said second mud pump comprises a piston type pressurizing pump.
【請求項3】前記混練装置(6)より排出される固化剤
混合済の泥土を受け入れて一旦貯留する中間貯留手段
(15)を備え、該中間処理手段(15)より泥土を圧
送用の第2の送泥ポンプ(20,20a)に送り込むよ
うにした請求項1または2に記載の泥土の固化処理設
備。
3. An intermediate storage means (15) for receiving and temporarily storing the mud mixed with the solidifying agent discharged from the kneading device (6), and the intermediate processing means (15) for pressure-feeding the mud from the intermediate processing means (15). 3. The mud solidification treatment facility according to claim 1, wherein the mud is fed to the second mud pump (20, 20 a). 4.
【請求項4】前記中間貯留手段(15)の下部の排出口
(17)にスクリューフィーダ(18)を有し、泥土を
強制的に排出して第2の送泥ポンプ(20)に送り込む
ようにした請求項3に記載の軟泥の固化処理設備。
4. A screw feeder (18) is provided at a discharge port (17) below the intermediate storage means (15) so that mud is forcibly discharged and sent to a second mud pump (20). 4. The solidification treatment facility for ooze according to claim 3, wherein
【請求項5】前記第1の送泥ポンプ(4)から混練装置
(6)への移送管(5)に、開閉弁付きのバイパス用管
路(27)を接続するとともに、該バイパス用管路(2
7)の出口を前記中間貯留手段(15)あるいは第2の
送泥ポンプ(20,20a)より下流の送泥管(21)
に接続し、第1の送泥ポンプ(4)により圧送される泥
土を、前記固化剤供給装置(10)および混練装置
(6)を迂回して送泥できるようにしたことを特徴とす
る請求項1〜4のいずれか1項に記載の軟泥の固化処理
設備。
5. A bypass pipe (27) with an on-off valve is connected to a transfer pipe (5) from the first mud pump (4) to the kneading device (6). Road (2
The outlet of 7) is connected to the intermediate storage means (15) or the mud pipe (21) downstream of the second mud pump (20, 20a).
And a mud pumped by a first mud pump (4) can be fed by bypassing the solidifying agent supply device (10) and the kneading device (6). Item 5. An equipment for solidifying oats according to any one of Items 1 to 4.
JP13215798A 1998-05-14 1998-05-14 Solidification treatment equipment of mud Pending JPH11324012A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13215798A JPH11324012A (en) 1998-05-14 1998-05-14 Solidification treatment equipment of mud

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13215798A JPH11324012A (en) 1998-05-14 1998-05-14 Solidification treatment equipment of mud

Publications (1)

Publication Number Publication Date
JPH11324012A true JPH11324012A (en) 1999-11-26

Family

ID=15074705

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13215798A Pending JPH11324012A (en) 1998-05-14 1998-05-14 Solidification treatment equipment of mud

Country Status (1)

Country Link
JP (1) JPH11324012A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100828162B1 (en) 2006-09-15 2008-05-15 (주)청호이앤씨 Dewatering Apparatus for Dedged Sand
JP2011202501A (en) * 2011-07-06 2011-10-13 Penta Ocean Construction Co Ltd Method for separating mixture of dredged sediment, and dredged sediment separating apparatus for use in the same
JP2013081894A (en) * 2011-10-07 2013-05-09 Chusei Koka Doko Jigyo Kyodo Kumiai Continuous granular solidification system of material to be treated
CN108929010A (en) * 2018-08-27 2018-12-04 武汉理工大学 Dredged mud curing system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100828162B1 (en) 2006-09-15 2008-05-15 (주)청호이앤씨 Dewatering Apparatus for Dedged Sand
JP2011202501A (en) * 2011-07-06 2011-10-13 Penta Ocean Construction Co Ltd Method for separating mixture of dredged sediment, and dredged sediment separating apparatus for use in the same
JP2013081894A (en) * 2011-10-07 2013-05-09 Chusei Koka Doko Jigyo Kyodo Kumiai Continuous granular solidification system of material to be treated
CN108929010A (en) * 2018-08-27 2018-12-04 武汉理工大学 Dredged mud curing system
CN108929010B (en) * 2018-08-27 2021-08-13 武汉理工大学 Dredged mud curing system

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