JP2820192B2 - Cleaning method and apparatus for waterways - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and a device for cleaning a waterway or the like, in which mud accumulated on a waterway or a pond bottom is collected and disposed without draining water.

[0002]

2. Description of the Related Art Conventionally, as a similar device to this type of cleaning device, there is a well-known vehicle for collecting human waste, and as a well-known example, a shovel truck is used for removing mud accumulated in a gutter of a road. Is used. As a device for treating mud accumulated on waterways and pond bottoms, Japanese Patent Publication No.
No. 59, and as a dredging vehicle for sewers and reservoirs, etc.
No. -7416 is known.

[0003]

However, in the above-mentioned excavator, it is difficult to scoop and remove mud in muddy water together with muddy water. A vacuum pump or a suction pump is used as the power for pumping, and a large amount of power is required. And these conventional technologies do not solve the treatment of a large amount of water.

[0004]

SUMMARY OF THE INVENTION This invention has been made to solve the problems as above mentioned, separation tank for the first invention of separating the mud from the mud water placed on a table surface plate A siphon is formed by the muddy water suction pipe provided in this separation tank and the separated water discharge pipe from the separation tank, and the muddy water is sucked with little power by using the siphon effect and only the mud is removed. The wastewater is taken out and returned to the original waterway.

[0005] A second invention is an apparatus for carrying out the first invention, and is as follows.

That is, a lower portion is formed in an inverted conical shape and a separation tank having a discharge port is formed at a lower end thereof, and upper ends of a suction pipe for muddy water and a discharge pipe for separated water are opened at an upper portion thereof. The lower ends of the suction pipe and the discharge pipe are opened at substantially the same level, and the lower end opening of the separation tank is connected to the starting end of a chute provided with a cover that urges the discharge port to close. A vacuum suction pipe connected to a vacuum pump was opened on the top wall.

[0007] In the third invention, the apparatus constructed as described above is installed as a unit on a base plate, mounted on a moving vehicle such as a truck, and can go to a processing site and work while moving. It was done. In addition, the third invention provides:
The suction pipe of the above-mentioned device is made freely foldable, and can be swiveled and moved up and down with respect to the base plate, and a flexible pipe is used at the lower end of the discharge pipe.

[0008]

Since the present invention is configured as described above,
In order to remove mud accumulated in waterways and the like by using this, the above-described apparatus is moved to a treatment site, and the lower end openings of the suction pipe and the discharge pipe are immersed below the water surface of the waterway or the like. of
The separation tank is filled with muddy water by evacuating the separation tank with a vacuum suction pipe. That is, a siphon can be formed by the suction pipe, the separation tank, and the discharge pipe.

At this time, in the separation tank, heavy mud in the muddy water settles and accumulates in the discharge pipe, and the other end of the discharge pipe is sealed with a cover and muddy water.

Therefore, in this state, by closing the vacuum suction line of the ceiling wall and activating the screws of the suction pump and the discharge tube, the separated water in the separation tank is removed.
The mud that has been settled and separated by the suction pump through the discharge pipe is conveyed by the screw, and the cover at the other end can be pushed open to be taken out of the machine.This mud is collected and dumped. Etc. can be disposed of.

As described above, the muddy water in the water channel and the like is sucked by the suction pump and continuously supplied into the separation tank where the muddy water is separated into the separated water and the mud and taken out. Such a separation process can be continued.

In the suction of new muddy water by the suction pump, in the present invention, a siphon is formed by the suction pipe, the separation tank, and the discharge pipe. Suction can be achieved simply by adding power from the pump.

Further, even when separating the mud in the separation tank, since the bottom of the separation tank has an inverted conical shape, the cyclone action acts on the mud which settles as the mud is conveyed by the screw, so that the sediment from heavy mud is removed. The mud can be efficiently separated from the mud.

The apparatus according to the present invention is mounted on a truck or the like and goes to a processing site to perform processing. When performing processing work, the apparatus performs continuous processing while moving or moves intermittently. Things. The separated mud can be disposed on the spot or transferred to another place for disposal. Further, since the water separated from the mud is returned to the original waterway or the like, a treatment device is not required. Less than,
The present invention will be specifically described based on the drawings.

[0015]

FIG. 1 is a flow sheet diagram of a method and an apparatus for cleaning a water channel or the like according to the present invention, and FIG. 2 is a perspective view schematically showing a processing operation state. In FIG.
Reference numeral 1 denotes a separation tank, which is configured in a closed tank shape.
The lower part thereof is formed in an inverted conical shape, and a discharge tube 2 is laid horizontally below the lower end thereof.
a. A screw 3 for conveyance is provided in the discharge tube 2, and a chute 4 rising obliquely upward is connected to the discharge tube 2 at the end of conveyance of the screw 3. At the top of
A cover 5 that normally urges the chute 4 to close is mounted.

In addition, a suction pipe 6 is provided above the side wall of the separation tank 1.
And the upper ends of the discharge pipes 7 are opened, and the lower ends of the suction pipe 6 and the discharge pipe 7 are opened at substantially the same level so that they can be immersed below the water surface such as a water channel. In the illustrated example, the lower end of the suction pipe 6 is provided with a mud layer S immersed in a waterway.
Is opened in the inside bucket 8 for peeling, the suction pipe 6 and the bucket 8, as shown in FIG. 2, mounted pivotally to set up a separation tank 1 weighing table A, also in the collapsible I have.

The lower end of the discharge pipe 7 is formed of a flexible pipe and is immersed below the water surface H of the water channel, and a suction pump 9 is provided in the middle thereof. A vacuum suction pipe 10 is opened in the top wall of the separation tank 1. Reference numeral 11 denotes the vacuum pump, and reference numeral 12 denotes an electromagnetic valve.

Further, a vibrating dewatering screen 13 is provided below the tip of the above-mentioned chute 4, and a hopper 13 a thereof is faced. A screw conveyor 14 is provided at a stage subsequent to the vibrating dewatering screen 13. Symbol 15
Is a saucer (for separation liquid) provided below the vibrating dewatering screen 13, and the separation liquid in the saucer 15 is supplied to the discharge pipe 1.
At 6 we return to the waterway. Then, in the apparatus illustrated example, the Taiban A respective device until the screw conveyor 14 described above
Installed above are to be moved to lead in training over error vehicles B.

The apparatus according to the present invention is constructed as described above. When the lower ends of the suction pipe 6 and the discharge pipe 7 are immersed below the water surface such as a water channel and the separation tank 1 is suctioned by the vacuum pump 11 , the separation tank is separated. 1 is filled with water, suction pipe 6 and separation tank 1
And the discharge pipe 7 constitute a siphon.

In this state, when the vacuum pump 11 is stopped, the electromagnetic valve 12 is closed, and the suction pump 9 and the screw 3 are started, muddy water containing mud in the water channel is sucked into the separation tank 1.

In the separation tank 1, heavy mud is settled, and the mud separated from the mud is returned to the water channel from the discharge pipe 7 via the suction pump 9. On the other hand, the sedimented mud is extracted by the screw 3 and sent to the chute 4 to push open the cover 5 and fall into the hopper 13a.

During the suction of the muddy water, the sedimentation and separation of the mud, and the discharge of the supernatant water, the siphon formed as described above can be continuously operated without being destroyed. Further, since the muddy water in the water channel and the like is sucked using the siphon and is sucked into the separation tank 1, even if the muddy water contains muddy soil, only the suction power 9 with a small power is used to apply the suction power. That can be processed. The separated water separated in this way is returned to the original waterway, etc., and does not require a special treatment device.The mud excluding the separated water is greatly reduced in volume and is easily treated. is there.

As described above, the mud that has fallen from the chute 4 is further separated from the water by the vibrating dewatering screen 13, loaded on a transport vehicle by the screw conveyor 14, and discharged to another for disposal. The water separated by the vibrating dewatering screen 13 is returned to the water channel.

[0024]

As is apparent from the above description, according to the present invention, mud in water can be separated and taken out only of mud, and conventionally, muddy water which has been difficult to treat can be removed from the original waterway or the like. In addition to returning the water, the muddy water is sucked into the separation tank using the means for returning the water, and there is an advantage that much power is not required for the suction. In addition, since a series of devices are united and set on a base plate, they can be loaded on a mobile vehicle, installed on site, and moved while moving. The present invention can solve the conventional problems in treating sedimentary mud.

[Brief description of the drawings]

FIG. 1 is a flow sheet diagram of a method for cleaning a water channel and the like and an apparatus therefor according to the present invention.

FIG. 2 is a perspective view similarly illustrating the operation state.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Separation tank 1a Discharge port 4 Chute 5 Cover 6 Suction pipe 7 Discharge pipe 9 Suction pump 10 Vacuum suction pipe A

Claims (4)

(57) [Claims] 1. A separation tank 1 having a lower portion formed in an inverted conical shape and having a discharge port 1a at the lower end thereof.
A chute 4 provided with a cover 5 urged to close the discharge path at the end thereof with the start end facing the end, and a mud suction pipe 6 and a separated water The upper end of the discharge pipe 7 is opened, and a vacuum suction pipe 10 is further opened on the top wall of the separation tank 1. The separation tank 1 is used to separate mud from muddy water such as a water channel. At the same time, the lower end openings of the suction pipe 6 and the discharge pipe 7 were submerged in muddy water such as a water channel, and then the air in the separation tank 1 was discharged by the vacuum suction pipe 10 to fill the separation tank 1 with muddy water. later, the suction pump 9 and disk provided in the discharge pipe 7
Drive the Liu 3 and separate the muddy water in the water channel etc. with the suction pipe 6
1. A method for cleaning a water channel or the like, wherein the separated water is sucked and returned to a water channel or the like from a discharge pipe 7 and the separated mud is discharged from the chute 4 to the outside of the machine. 2. A separation tank 1 having a lower part formed in an inverted conical shape and a discharge port 1a formed at a lower end thereof, and an upper end of a muddy water suction pipe 6 and a separated water discharge pipe 7 formed at an upper part thereof. Is connected to the lower end discharge port 1a of the separation tank 1 at the other end of which the start end of a mud chute 4 provided with a cover 5 urged to close automatically is connected to the lower end of the suction pipe 6 and the discharge pipe 7. Are opened at substantially the same level, a suction pump 9 is provided in the discharge line, and a vacuum pump 1 is mounted on the top wall of the separation tank 1.
1. A cleaning device for a water channel or the like having a vacuum suction pipe 10 connected to 1. 3. A cleaning device for a water channel or the like, wherein the separation tank 1 according to claim 2 is mounted on a base A, mounted on a moving vehicle, and is movable. 4. The cleaning of a water channel or the like, wherein the discharge pipe 7 according to claim 2 is constituted by a flexible pipe, and the tip end of the suction pipe 6 can be swung and vertically moved with respect to the separation tank 1. apparatus.