JP2015232245A - Sediment dredging flocculation treatment system and construction method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sediment dredging flocculation treatment system that dredges a floating mud layer and a deposit surface layer by using a pump without disrupting a deposit and generating turbidity with the work, efficiently performing solid-liquid separation treatment of muddy water generated in large quantities to the dredging sediment, and enabling re-use or land temporary storage of the enriched flocculated sediment containing organic matter.SOLUTION: A sediment suction dredging device A (submersible pump with breaker) mounted in a back hoe C is operated by the positional information of GPS and the water depth information of the ultrasonic wave depth gauge, and the suction removal of the floating mud layer is managed along with the thin layer dredging. The muddy water generated in large quantities is efficiently treated by the solid-liquid separation treatment using a high-performance mineral hydrophobicity flocculating agent and a sediment flocculation precipitation separation device M of a voluntary design. The coagulum concentrated by the solid-liquid separation is charged in a receiving bag mounted with a filtration inner bag having a filtering function, and furthermore the decrease of capacity by filtration is promoted. A low-cost device and a processing technology are provided which are constituted of the thin layer dredging, the flocculation treatment and solid-liquid separation, and the natural dewatering in the receiving bag.

Description

The present invention relates to a bottom mud flocculation treatment system and its construction method in relatively small-scale agricultural flood control facilities such as agricultural dams and ponds.
More specifically, a bottom mud suction dredge device, a backhoe for operating the device, a gravel separation and cleaning device, a flocculant supply device, a flocculant addition stirring device, a slurry pump, a bottom mud agglomeration sedimentation device, A bottom mud coagulation treatment system (hereinafter referred to as this system) consisting of a coagulation bottom mud bagging device for the storage bag, which is designed to be lightweight and compact, transported by truck to the dredging site and placed in the local work yard Then, this system is constructed by connecting each device with wiring piping.
This is a bottom mud dredging method in which a backhoe operator manages thin layer dredging using GPS position information and water depth information from one or more ultrasonic sounding instruments. In the operation room of the backhoe, the relative position between the dredging position and the bottom mud suction head and the bottom sediment surface is grasped, and the floating mud layer and the bottom sediment surface are sucked into the thin layer without disturbing the bottom sediment. This is a bottom mud suction dredge device (hereinafter, dredging device) that does not generate turbidity and can minimize the amount of bottom mud to be treated.
When bottom mud with high radioactivity concentration is to remove soot, fine particles and organic matter to which radioactive materials are strongly attached are targeted for soot removal, and the gravel is separated to reduce the volume of treated bottom mud. It shall be separated by a cleaning device (hereinafter referred to as a gravel device) and returned to the target lake.
Muddy water generated in large quantities by the pump dredger is reduced in volume by solid-liquid separation, but a highly functional inorganic hydrophobic flocculant (hereinafter referred to as the present flocculant) is used to promote solid-liquid separation. Since this flocculant is a powder and has high self-aggregation properties and is difficult to handle, the flocculant is crushed and dispersed with a jet water flow in a flocculant supply device (hereinafter referred to as supply device), and a coagulant adding and stirring device (hereinafter referred to as stirrer) ) And uniformly agitate it in the muddy water.
After agitation agent is added and agitated in the agitator, the slurry is fed to the bottom mud agglomeration sedimentation separator (hereinafter referred to as “separator”), and the agglomerated muddy water discharged to the central part of the separator is concentric from the center to the outer edge. By passing the mesh of 20 mm to 5 mm of rectifying plates arranged in a shape at a slow flow rate, the bound particles (hereinafter, agglomerates) settle due to their own weight, and the separated water flows from the separated water gate at the upper part of the outer edge of the settling tank. It flows down to the separated water tank while returning to the target lake through the drainage hose.
Aggregates that have settled on the bottom plate of the sedimentation separation tank are collected by the sediment bottom mud collection rotor at the center of the lower hopper and collected in the lower hopper. Concentration progresses to become a high-concentration slurry, which is sucked out from the coagulated bottom mud discharge port, and is pumped to the coagulated bottom mud bagging device with a slurry pump.
In an agglomerated bottom mud bagging device (hereinafter referred to as a “bagging device”), a plurality of storage bags equipped with a filtering inner bag with a filtering function are placed on a support frame, and the aggregates are fed into the storage bag via the input switching device. The Aggregates in the storage bag are filtered and dehydrated over time due to compaction and hydrophobicity, and the generated filtrate is returned to the lake to be treated via the drainage hose while being received by the filtered water pan, and the aggregates in the storage bag are transported. Condensation filtration and natural dehydration are allowed to proceed to a saturated water content or less that does not hinder
In addition to providing the above functions, it has a lightweight and compact structure that is manufactured in a size and shape that can be loaded onto ordinary trucks, so even if the target is a confined area in a mountainous area or a densely populated residential area Equipment installation, system construction, bottom mud work and agglomeration work work are facilitated, and the system design that can also be mounted on assembly floats that can be transported by ordinary trucks even in mountainous and urban areas The present system and its construction method, which are excellent in workability and work efficiency.

The usual dredging work for harbors and rivers is generally a grab type dredging that uses a grab bucket equipped with a crane to excavate bottom mud and load it into a soil carrier. The pump dredging system that sucks the bottom mud with a pump and pumps the slurry to a soil carrier is becoming mainstream. The pump dredger generates a large amount of muddy water that is pumped together with the bottom mud, and the treatment of the muddy water becomes a problem. There is a limit to the processing capacity of a ready-made solid-liquid separator or filtration filter device using a flocculant, and if it is attempted to process in large quantities, the device becomes large, and the cost including common temporary costs becomes high. In order to reduce dredged soil volume and muddy water, high-concentration dredging equipment has been developed for thin layers including floating mud layers.
Japanese Patent Laid-Open No. 2013-17989 (hereinafter referred to as Patent Document 1) has a solid-liquid separation processing method using a flocculant after pump dredging, but it is not intended for thin layer dredging and is temporarily used in harbor dredging. The method uses a soil carrier as a receiver and has a large solid-liquid separation tank and dewatering tank on land. However, thin-layer dredging is difficult, and dredging and processing facilities are large. It is not suitable for diversion. In addition, although an inorganic system is used as a flocculant and the environment is considered, it does not have a hydrophobic function. Therefore, it takes time for solid-liquid separation treatment, and a large separation tank and a precipitation tank are required. Aggregates after separation also have a high water content.
Japanese Unexamined Patent Application Publication No. 2005-188057 (hereinafter referred to as Patent Document 2) proposes a thin-layer dredge apparatus and a dredge method, and the dredge apparatus itself is a large and heavy apparatus as compared with a normal pump dredge. However, the dredging cost per unit time is high because the dredging amount per hour is small and the operation rate is low because it is easily affected by weather conditions. Also, land treatment facilities such as mechanical dehydrators are usually large and processing costs are high.

JP 3013-17989 A JP 2005-1888057 A

All of the above methods are aimed at mass dredging at harbors, and are inappropriate for small-scale dredging in inland mountainous areas such as agricultural dams and ponds.
The method of dredging the thin layer including the mud layer is a structure in which the dredger device is easily affected by fluctuations caused by waves and winds, so the operating rate is reduced and the work yield is low.
In addition, if a large amount of muddy water pumped up by a pump dredging is to be solid-liquid separated by the conventional method, the equipment becomes large, and it is possible to secure a work yard for installing equipment as well as transporting in mountainous areas. It becomes difficult.

The present invention has been made in view of the above-mentioned problems. By using GPS position information and ultrasonic sounding instrument information, the bottom mud suction dredge apparatus using the backhoe while grasping the bottom sediment suction state of the bottom mud suction head with a lattice is used. Operation becomes possible, and continuous dredging that sucks and lifts the entire sediment layer including the floating mud layer is possible without disturbing the bottom sediment or generating pollution.

In the present invention, by using the present flocculant, the strong hydrophobicity of the agglomerates is effectively utilized, and a commercially available water-permeable flexible container bag having no waterproof function or a filtration inner bag provided with a filtering function in a large sandbag bag By storing the concentrated agglomerates directly without interposing them in a dehydrator or the like, the apparatus can be simplified and unloaded easily.

The flocculant is difficult to handle due to its high self-flocculation property, and it was difficult to add and stir so as to diffuse uniformly in the muddy water, but the flocculant supply device developed in the present invention solves this problem. It is.

By using this flocculant, it was developed by utilizing the property that the aggregates become hydrophobic and agglomerates adsorb to form larger aggregates and settle easily in water as they are stirred. It is a lightweight and compact bottom mud coagulating sedimentation separator that can coagulate and settle.

Designed to eliminate the structure where dredged mud sediment settles on this system line, so that no mud or organic matter accumulates on the line during operation. This system is easy to maintain and manage because it can clean the line by sucking and feeding the pulled surface water for a certain period of time.

By performing dredging in a thin layer for the pump capacity of the same scale, the dredging area is expanded and the work allowance for time is improved.

By combining the present flocculant and the separation device, the separation / precipitation rate is increased, and the processing yield per hour is improved.

Aggregates concentrated by solid-liquid separation are put directly into a storage bag equipped with a filtering inner bag with a filtering function without going through a settling tank or dehydrator, etc. Processes such as refilling a transport container can be simplified. Further, since the entire storage bag can be transported, the unloading work is facilitated, and the transport container is not soiled by the contents of the aggregate, so that maintenance management is simplified.

For the above reasons, the system is lighter and more compact than existing methods, so the system equipment production costs are significantly lower and the common temporary costs including transportation can be greatly reduced. Similarly, the cost required for maintenance can be greatly reduced.
As the bottom mud removal area per hour by the pump dredging is increased and the work efficiency of the bottom mud treatment amount by solid-liquid separation is high, the cost required for dredging treatment can be reduced and the cost effectiveness is greatly improved.

It is a figure which shows the structure of the bottom mud aggregation processing system flow of this invention. It is a figure which shows the structure of a work float, a backhoe, and a bottom mud suction dredge apparatus. It is a flocculation processing device mounted on a work float, and is a diagram showing the configuration of a gravel separation and cleaning device, a flocculating agent supply device, a flocculating agent addition stirring device, a slurry pump, and a working water tank. It is a figure which shows the structure of a coagulant | flocculant dispersion liquid discharge apparatus. It is a figure which shows the structure of a bottom mud aggregation sedimentation apparatus and a turbidity monitor. It is a figure which shows the structure of an aggregation bottom mud bagging apparatus. It is a figure which shows the construction image of a dredging work.

An embodiment of the present invention will be described based on the apparatus of the present invention. A bottom mud coagulation treatment system according to an embodiment of the present invention is shown in FIG. The bottom mud flocculation treatment system includes a bottom mud suction dredge device A, a working backhoe C, a gravel separation and cleaning device D, a discharge pipe E, a flocculant addition stirring device F, a slurry pressure pump G, and a flocculant. It consists of a supply device H, a washing water tank I, a bottom mud coagulation sedimentation separation device M, and a coagulation bottom mud bagging device N, and is a relatively small-scale agricultural flood control facility such as an agricultural dam or pond. Is characterized in that mud containing organic matter from the floating mud layer and the bottom mud surface layer is dredged by a combination of the bottom mud suction dredge device A and the working backhoe C, and the gravel separation and washing device D is used for volume reduction. The sand and gravel separated and washed in step 1 is returned to the bottom sediment surface R3 of the lake to be treated while operating the movable discharge pipe e2 via the discharge pipe E, and the bottom mud is sent to the flocculant addition stirring device F together with the muddy water to supply the flocculant. Add the flocculant dispersion supplied from device H To 拌. The aggregate of the bottom mud aggregated by the coagulant is pumped to the bottom mud coagulation sedimentation separation apparatus M by the slurry pumping pump G, and solid-liquid separated into the aggregate and separated water.
The separated agglomerates are sent to the agglomerated bottom mud bagging device N by a slurry pressure pump and accommodated while being switched to a plurality of accommodation bags prepared in advance. Condensation filtration and natural dehydration proceed and dehydration is performed without using a mechanical device. Do. The filtered water that has oozed into the filtered water pan is returned to the lake to be treated together with the separated water, thereby providing a bottom mud coagulation treatment system with high work efficiency and low equipment costs.

A bottom mud suction dredge apparatus A according to an embodiment of the present invention is shown in FIG.
The bottom mud suction dredge device A includes a suction port lattice a1, a suction cone a2, a submersible pump a3 with a crusher, an ultrasonic sounding device a4, an ultrasonic sounding device mounting bar a5, a backhoe mounting device a6, and a GPS mounting. It is composed of a shaft a7 and a GPS antenna a8. The bottom mud is transported to the subsequent stage by dredging. The suction grille a1 prevents foreign matter from being mixed in. A submersible pump a3 with a crusher is fitted into the suction cone a2, and leaves and grasses accumulated in the sediment are crushed by the crusher and sucked together with the bottom mud. . In order to manage dredging work, the ultrasonic sounding instrument a4 and the GPS antenna a8 are respectively attached to the ultrasonic sounding instrument mounting bar a5 and the GPS mounting shaft a7, and the relative distance to the bottom mud required for the dredging The bottom mud suction dredge device A provides high thin-layer dredging capability by providing the information of the habit trajectory in real time to the operation room of the backhoe.

A gravel separation / cleaning apparatus D according to an embodiment of the present invention is shown in FIG.
The gravel separation and cleaning device D (hereinafter referred to as gravel device) is composed of a cyclone device d1 for separating gravel, a gravel cleaning device d5, and a water level maintenance tank d13. The gravel is separated from the bottom mud by the cyclone device d1, the bottom mud flows out to the next stage from the bottom mud discharge port d4, the gravel is sent to the gravel cleaning device d5, and the sludge adhering to the gravel is washed, and then the washing gravel discharge port Returning to the lake to be treated from d9, the mud produced by the washing flows out from the washing water discharge port d14 to the next stage, thereby reducing the volume of the treated bottom mud. More specifically, the hollow spiral d11 integrated with the inclined rotating cylinder d10 which is the inner cylinder of the gravel cleaning apparatus d5 is driven by a motor d12 to rotate at a low speed, and gravel and sludge are taken in from the lower gravel inlet d7 to rotate the spiral. It is transported to the upper washing gravel discharge port d3 while stirring and washing by the transport action, but the washing water is supplied from the upper washing water supply port d8 and flows down the hollow portion of the hollow spiral d11 while washing the gravel, It flows down from the gravel inlet d7 to the water level maintenance tank d13, and flows out from the washing water outlet d14 to the next stage.
Provided is a gravel separation and cleaning apparatus D that achieves reduction in processing cost by separating gravel with a simple structure and reducing the volume of bottom mud by this gravel apparatus.

FIG. 3 shows a flocculant supply device H and a quantitative supply device h6 according to an embodiment of the present invention, and FIG. 4 shows a crushing and dispersing device h12.
The flocculant supply device H (hereinafter, this supply device) includes a quantitative hopper device h13, a suction tube h7, a high-pressure pump h10, a high-pressure hose h11, a crushing and dispersing device h12, and a quantitative supply device h6. The powder flocculant h9 is instantly crushed by the jet water flow h12-6 in the dispersion cell h12-1 of the crushing and dispersing device h12 and discharged as a dispersion liquid. Provided is a flocculant supply device H that can utilize a powder flocculant h9 that is difficult to handle without requiring skill.

FIG. 3 shows a quantitative hopper device h13 constituting the flocculant supply device H of the embodiment of the present invention.
The quantitative hopper device h13 referred to here includes a flocculant tank h1, a flocculant tank lid h3, a flocculant dropping port h4, a variable speed motor h5, a quantitative supply device h6, a solidification preventing device h8, and a powder flocculant. h9, and a solidification prevention device h8 is attached to the flocculant tank h1 to give vibration and impact to prevent solidification of the powder flocculant h9 and to achieve smooth fluidization. The coagulant h9 is poured into the fixed amount supply device h6, and the fixed amount supply device h6 coupled to the variable speed motor h5 transfers the coagulant h6-2 in a volume proportional to the rotational speed to the concave groove portion h6-3 of the coagulant relay h6-1. The flocculant h6-2 is sucked by the air tube h7 through the air suction port h12-5. In this manner, a quantitative hopper optimal for the flocculant supply device H is provided.

The flocculant addition stirring apparatus F of the Example of this invention is shown in FIG.
The flocculant addition stirring device F (hereinafter, this stirring device) includes a flocculant stirring tank f1, an inclined bottom plate f2, a partition wall f3, a charging tank f4, a rapid stirring tank f5, a rapid stirring machine f6, and a slow stirring tank. f7, a slow stirrer f8, and a slurry discharge port f9. A plurality of partition walls f3 that separate the inclined bottom plate f2 of the agglomeration stirring tank f1 are also provided with small openings in the lower part, and mud is formed inside during cleaning. It has a structure that does not cause accumulation, and is divided into a charging tank f4, a rapid stirring tank f5, and a slow stirring tank f7, and the bottom mud discharge port d4 of the gravel separation and cleaning device D and the cleaning water discharge The bottom mud charged into the charging tank f4 from the outlet d14 is added to the dispersion supplied from the flocculant supply device H in the rapid stirring tank f5 and stirred and mixed by the rapid stirrer f6. Move to agitation tank f7 and move slowly by slow agitator f8 The agglomerated bottom mud that has been agitated creates larger coupled particles (hereinafter, agglomerated) and is discharged from the slurry discharge port f9 to the next stage. Although the structure of this stirring apparatus is simple, the coagulant addition stirring apparatus F which is an important apparatus in order to extract the hydrophobicity and high cohesion which the powder coagulant h9 has is provided.

The bottom mud coagulation sedimentation separation apparatus M of the Example of this invention is shown in FIG.
The bottom mud agglomeration sedimentation separation apparatus M (hereinafter, this separation apparatus) is composed of a sedimentation separation tank m1, a separation water tank m3, a lower hopper m5, a coagulation bottom mud discharge port m6, and a coagulation sedimentation tank m2 and a lower hopper m5. A driving device comprising a rotary drive shaft m7, a gear box m20 and a motor m21, a collecting blade m8, a stirring blade m9, a separated water tank m10, a discharge port m11, a rectifying mesh m12, a separated water gate m13, Consists of a water level adjustment pipe m14 and a separation water discharge port m15, and the aggregate discharged from the discharge port m11 forms a flow that spreads from the center of the rectifying mesh m12 arranged concentrically to the outside at a low flow rate. The separated water flows from the separated water gate m13 provided at the upper outer edge of the coagulation sedimentation tank m2 and falls into the separated water tank m3 and is discharged from the separated water discharge port m15 through the water level adjustment pipe m14 to the target lake. Return. Further, by passing through the current plate at a slow flow, the aggregates quickly settle to the lower part due to their own weight, and are further collected by the collecting blade m8 in the central lower hopper m5. The sedimentation bottom mud is continuously condensed by being condensed by its own weight and stirring by the stirring blade m9, and further condensed, and then sucked out from the sedimentation bottom mud outlet m6 and pumped to the next stage by the slurry pumping pump m22. Provided is a bottom mud coagulation sedimentation separation apparatus M for solid-liquid separation into an aggregate and separated water.

An agglomerated bottom mud bagging apparatus N according to an embodiment of the present invention is shown in FIG.
The agglomerated bottom mud bagging apparatus N includes an agglomerated bottom mud tank switching device n1, which is composed of an agglomerated bottom mud tank n2, a switching valve n3, and a charging tube n4, a support frame n5, a filtered water pan n6, and a filtered water discharge port n7. And a storage bag n22 composed of an inner bag n20 and an outer bag n21. A required amount of the storage bag n22 is developed on the filtered water pan n6, and the agglomerated slurry is continuously fed. An agglomerated bottom mud bagging apparatus N for bagging is provided.

The filtration inner bag of the Example of this invention is shown in FIG.
Filtration inner bag n20 is a strong and water permeable filtration membrane such as porous film, reverse osmosis membrane, filter paper or non-woven fabric. It is manufactured by sewing, crimping or fusing, etc. It is possible to provide a filtration inner bag characterized in that

FIG. 2 shows a suction head a1 with a lattice according to an embodiment of the present invention.
The bottom mud suction head a1 with a grid prevents the suction of foreign substances such as empty cans and large gravel by using a ready-made grating on the grid and processed into a shape suitable for dredged sediment with high viscosity. In addition to increasing the resistance when the head penetrates into the highly viscous bottom sediment, it makes it easier for the backhoe operator to check the bottom sediment surface, and also makes it easier to scrape the bottom sediment. Provided is a bottom mud suction head with a grid characterized in that it can be given a function of suppressing the intrusion of the mud and increasing the mud content.

The submersible pump a3 with a crusher of the Example of this invention is shown in FIG.
In the submersible pump a3 with a crusher, organic matter such as leaves and herbs that have passed through the grating grid is pulverized and subdivided by the crusher of the submersible pump, allowing it to pass through the gravel separation cyclone and agglomerate with a flocculant to ensure sedimentation. A submersible pump with a crusher is provided.

A working backhoe C according to an embodiment of the present invention is shown in FIG.
In the working backhoe C, the bottom mud is characterized in that the backhoe operator makes a thin layer dredge while managing the dredging range and dredging depth based on the position information of the GPS antenna a8 and the water depth information of one or more ultrasonic sounding instruments a4. Provide dredging method.

A bottom mud coagulation treatment system according to an embodiment of the present invention is shown in FIG.
The bottom mud agglomeration processing system is a lightweight and compact structure that is manufactured in a size and shape that can be loaded on a normal truck. Even if the target is a narrow area in a mountainous area or a densely populated residential area, the equipment Provided is a bottom mud coagulation treatment method characterized by easy installation, construction, bottom mud work and coagulation treatment work.

FIG. 3 shows the powder flocculant h9 and the flocculant supply apparatus H of the embodiment of the present invention.
The powder flocculant h9 is a highly functional inorganic hydrophobic flocculant, and when used in combination with the flocculant supply apparatus H developed in the present invention, the hydrophobic flocculant, the instantaneous flocculence, and the reaggregation between the flocculants The bottom mud flocculation treatment method is characterized by performing solid-liquid separation processing of a large amount of bottom mud in a short time by making the best use of the features and functions.

The storage bag n22 of the embodiment of the present invention is characterized by being able to be easily carried out together with the storage bag by naturally filtering the aggregate packed in the storage bag n22 shown in FIG. Provide the bottom mud coagulation treatment method.

A bottom mud coagulation treatment system according to an embodiment of the present invention is shown in FIG.
In the bottom mud agglomeration treatment system, the amount of dredged soil is suppressed by thin layer suction of the bottom mud aspiration dredging device, the gravel is separated by the gravel separation and washing device and returned to the lake bottom, the amount of agglomerated soil is suppressed, and the hydrophobic flocculant is added. Provided is a bottom mud flocculation treatment method characterized in that water is separated by a bottom mud agglomeration sedimentation apparatus, and the final disposal bottom mud volume is reduced by compaction filtration or natural dehydration in a storage bag.

This system is intended for relatively small-scale agricultural flood control facilities such as agricultural dams and ponds, but it can also be applied to bottom sediments such as large dam lakes by increasing the size of heavy machinery and equipment.
The special point of this system is that it efficiently and reliably removes the mud layer and the bottom surface layer containing a lot of organic matter and fine particles of 75μm or less, which are said to have strong radioactive substances. It can be said that this method is suitable for reducing the volume of the removed bottom mud efficiently and at low cost.
There is also a dry method that drains the stored water and excavates and removes the bottom sediment with onshore heavy machinery to remove the bottom sediment surface layer reliably, but there is a high possibility of spilling and diffusing high-concentration floating mud layer and surface sediment. . The only way to remove the bottom sediment while storing water is to rely on a pump dredge, and the solid mud containing the radioactive material pumped up by the pump dredge is efficiently solid-liquid separated for volume reduction, ensuring reliable separation from the separated water. It is this flocculant that removes radioactive materials at the same time, and this system is the result of earnest research.

A: Bottom mud suction rod device a1: Suction port lattice a2: Suction cone a3: Submersible pump with crusher a4: Ultrasonic sounding device a5: Ultrasonic sounding device mounting bar a6: Backhoe mounting tool a7: GPS mounting shaft a8: GPS Antenna B: Work float b1: Assembled float b2: Duplex winch b3: Fair leader b4: Anchor line b5: Backhoe swivel center C: Backhoe c1: Monitor room c2: Backhoe arm c3: Attachment D: Gravel separation and cleaning device d1 : Sand gravel separation cyclone device d2: Mine bottom mud inlet
d3: Gravel separation outlet d4: Bottom mud outlet d5: Gravel cleaning device d6: Outer cylinder d7: Gravel inlet d8: Wash water inlet d9: Wash gravel outlet d10: Inclined rotating cylinder d11: Hollow spiral d12: Motor d13: Water level maintenance tank d14: Wash water discharge port E: Gravel discharge pipe e1: Gravel hopper e2: Movable discharge pipe F: Flocculant addition stirring apparatus f1: Aggregation stirring tank f2: Inclined bottom plate f3: Partition f4: Input tank f5: Rapid stirring tank f6: Rapid stirring machine f7: Slow stirring tank f8: Slow stirring machine f9: Slurry discharge port f10: Slurry pumping pump H: Coagulant supply device h1: Coagulant tank h2: Seismic isolation rubber h3: Coagulant tank lid h4: flocculant dropping port h5: variable speed motor h6: quantitative supply device h6-1: flocculant feeder h6-2: flocculant h6-3: concave groove h6-4: air suction port h7: air tube h8: solidification Prevention device h9: Powder flocculant h10: High pressure pump h11: High pressure hose h12: Crushing and dispersing device h12-1: Dispersion cell h12-2: Dispersion outlet h12-3: High pressure water supply port h12-4: Jet nozzle h12-5 : Air suction port h12-6: Jet water flow h13: Metering hopper device I: Working water tank i1: Submersible pump i2: Washing water i3: Washing water surface i4: Flow-up water i5: General-purpose pump J0: Coupling joint J1: Trap Bottom mud hose J2: Land transport slurry hose J3: Separation water hose J4: High concentration slurry hose J5: Filtration water hose J6: Drainage hose J7: Pumping hose J8: Sewage hose J9: Wash water hose J10: Clean water hose J11: Aggregation Agent hose K: Turbidity monitor tank k1: Permeable water tank k2: Turbidity optical monitor mounting boss M: Bottom mud coagulating sedimentation separator m1: Sedimentation separation tank m2: Settling tank m3: Separation water tank m4: Settling tank bottom plate m5: Lower hopper m6: Settling mud discharge port m7: Rotary drive shaft m8: Collection blade m9: Stirring blade m10: Separation water tank m11: Discharge port m12: Rectification Mesh m13: Separation water gate m14: Water level adjustment pipe m15: Separation water discharge port m16: Support frame m20: Gear box m21: Motor m22: Slurry pump N: Aggregate bottom mud bagging device n1: Aggregation bottom mud input switching device n2 : Condensed bottom mud tank n3: Switching valve n4: Input tube n5: Support frame n6: Filtered water pan
n7: Filtration water outlet n20: Filtration inner bag n21: Outer bag n22: Containment bag R1: Bottom sediment R2: Bottom sediment surface R3: Bottom sediment surface R4: Lake surface R5: Land surface

Claims (16)

Bottom mud suction dredge device, work backhoe, gravel separation and cleaning device, flocculant supply device, flocculant addition stirring device, slurry pump, bottom mud agglomeration sedimentation separation device, and agglomerated bottom to the storage bag A bottom mud coagulation treatment system characterized by comprising a mud bagging device. The bottom mud suction dredge device according to claim 1, wherein a bottom mud suction head with a lattice, a submersible pump with a crusher, one or a plurality of ultrasonic sounding instruments and their attachments, a GPS antenna, and a backhoe attachment device. A bottom mud suction dredge device characterized by being provided. 2. The gravel separation and cleaning apparatus according to claim 1, wherein the gravel separation cyclone device and the gravel discharge port and the washing water supply port are provided at the upper part of the outer cylinder of the inclined rotating cylinder, and the gravel intake and motor are driven at the lower part. A gravel separation and cleaning device comprising an inclined rotating cylinder as an inner cylinder, a gravel cleaning device provided with a hollow spiral inside thereof, and a cleaning water tank satisfying the water level at the height of a muddy water discharge port 2. The flocculant supply device according to claim 1, wherein the quantitative hopper device, the high-pressure water pump, the air suction port for sucking the powder flocculant by the negative pressure air flow generated by the jet water flow, and the powder flocculant are crushed by the jet water flow. A flocculant supply device comprising: a dispersion cell that performs dispersion, a high-pressure water supply port, and a crushing and dispersing device having a structure of a discharge port for a dispersion liquid of the pulverized powder flocculant. A quantitative hopper device constituting the flocculant supply device according to claim 1 and claim 4 includes a flocculant tank, and a solidification preventing apparatus that applies vibration or repeated impact to the powder flocculant in the flocculant tank to ensure fluidity. And a powder flocculant quantitative supply device, and a concave groove portion that receives the supply of the powder flocculant from the quantitative supply device, and the powder flocculant received in the concave groove portion is externally aired via an air tube. A quantitative hopper device, wherein a powder flocculant is supplied by being sucked. The flocculant addition stirring apparatus according to claim 1, wherein a processing tank having a bottom plate inclined downward from the charging tank side to the discharge port, a partition wall divided into a small volume charging tank and a stirring tank, and a stirring tank include: A flocculant addition stirring device comprising one or a plurality of stirring devices and an opening for preventing retention provided at a lower part of the partition wall. Or, in addition to this, the above-mentioned partition for further dividing the stirring tank into two parts is added, each of which is a rapid stirring tank and a slow stirring tank, and a rapid stirring tank and a slow stirring tank are installed in the rapid stirring tank and the slow stirring tank, respectively. In addition, the flocculant addition stirring device is characterized in that it can perform two-step stirring processing from rapid stirring processing to slow stirring processing, does not accumulate bottom mud, organic matter, etc., and has an easy-to-clean structure after completion of work. The bottom mud coagulation sedimentation separation apparatus according to claim 1, wherein the bottom mud coagulation sedimentation tank comprises a coagulation sedimentation tank for separating mud and water and a lower hopper for storing the precipitated mud, and coagulation sedimentation for discharging the separated water. There is a separation water gate provided at the upper part of the outer shell of the tank, a separation water tank that surrounds the coagulation sedimentation tank and receives the fall of the separation water, and a separation water discharge port for discharging the separation water. Discharge port for feeding the treated agglomerated bottom mud that has been pumped more, a rectifying mesh that concentrically arranges a plurality of concentric sediments around the discharge port in the agglomeration sedimentation tank, and agglomeration in addition A collection blade that collects the bottom mud that has settled in the lower part of the sedimentation chamber by rotation, a stirring blade that promotes concentration of the sediment in the lower hopper, and a rotational drive of the collection blade and stirring blade at the bottom of the lower hopper Equipment, sediment bottom mud outlet, sedimentation Sediment agglomeration precipitator, characterized in that sucking precipitated sediment from the bottom mud outlet comprising providing a slurry delivery pump to be sent to the next stage of the processing apparatus. The aggregation bottom mud bagging apparatus according to claim 1, wherein a water permeable flexible container bag that does not have a waterproof function as an outer bag or a storage bag equipped with a filtering inner bag having a filtering function on a large sandbag bag, A coagulated bottom mud bagging apparatus comprising: a support frame that supports the storage bag; a filtered water pan that receives filtrate from the storage bag; and an aggregate bottom mud input switching device for the storage bag. The filtration inner bag of the coagulated bottom mud bagging device according to claim 8, wherein the filtration inner bag is a strong and water permeable filtration membrane such as a porous film, a reverse osmosis membrane, a filter paper or a nonwoven fabric, and is sewn, pressed or melted. A filtering inner bag, which is manufactured by wearing or the like and can be provided with a filtering function by being installed in an outer bag. In the bottom mud suction head of the bottom soil suction dredge device according to claim 2, by using a ready-made gretching for the lattice, it is only necessary to prevent suction of foreign matter such as empty cans and large gravel. In addition, the resistance when penetrating the head into the sediment with high viscosity is increased, making it easier for the backhoe operator to check the surface of the sediment and increasing the mud content by suppressing the intrusion of muddy water from the rear of the head traveling direction. A bottom mud suction head with a grid, characterized in that 3. A submersible pump with a crusher for a bottom soil suction dredge device according to claim 2, wherein organic substances such as leaves and grass that have passed through the gretching grid are pulverized and subdivided by a crusher of the submersible pump, thereby passing the gravel separation cyclone. A submersible pump with a crusher that aims to agglomerate with a coagulant and settle reliably. 3. A backhoe for operating the bottom soil suction dredge device according to claim 2, wherein the backhoe operator manages the dredging range and dredging depth based on GPS position information and water depth information of one or more ultrasonic sounding instruments. A bottom mud dredging method characterized by dredging. The bottom mud agglomeration processing system according to claim 1 is a lightweight and compact structure manufactured in a size and shape that can be loaded on a normal truck, and the target of dredging is a confined area of a mountainous area or a densely populated residential area. Even so, the bottom mud agglomeration treatment method is characterized by the ease of equipment installation and construction, and the bottom mud work and agglomeration work. The powder flocculant according to claim 4 and claim 5 is a highly functional inorganic hydrophobic flocculant, and when used in combination with the flocculant supply apparatus according to claim 4 and claim 5, Bottom mud characterized by solid-liquid separation processing of a large amount of bottom mud in a short time by making full use of the features and functions of instantaneous cohesion and re-agglomeration between bonded particles (hereinafter agglomerates)浚 渫 Aggregation processing method. A bottom mud flocculation treatment method characterized in that the agglomerates packed in the storage bag according to claim 7 and claim 8 can be easily carried out together with the storage bag by natural filtration to a saturated water content or less that does not hinder transportation. . 2. The bottom mud agglomeration treatment system according to claim 1, wherein the amount of dredged soil is suppressed by thin layer suction of the bottom mud suction dredge device, and the amount of agglomerated soil is suppressed by separating the gravel with a gravel separation cleaning device and returning it to the lake bottom. The bottom mud flocculation treatment method is characterized in that water is separated by adding a coagulant coagulant and bottom mud coagulation sedimentation separator, and the volume of the final disposal bottom mud is reduced by compaction filtration or natural dehydration in the storage bag.

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