CN109459338B

CN109459338B - Sediment removing device for floating layer in river sludge and measurement method thereof

Info

Publication number: CN109459338B
Application number: CN201811233640.1A
Authority: CN
Inventors: 王发廷; 张法; 白玉堂; 欧阳建华
Original assignee: Guangdong Shunshui Project Construction Management Co ltd
Current assignee: Guangdong Shunshui Project Construction Management Co ltd
Priority date: 2018-10-23
Filing date: 2018-10-23
Publication date: 2021-03-05
Anticipated expiration: 2038-10-23
Also published as: CN109459338A

Abstract

The invention relates to a sediment removing device for a floating layer in river sludge, which comprises a ship body, a sludge collecting device, a sludge pump, a sedimentation tank and a sampling barrel, wherein the two sides of the ship body are connected with the collecting device, the collecting device comprises a sludge collecting pipeline, a sludge collecting port and a sludge shovel receiver, the sludge collecting pipeline is provided with the sludge collecting port, the sludge shovel receiver is arranged at the sludge collecting port, the sludge collecting port collects the sludge on the floating layer into the sludge collecting pipeline through the sludge shovel receiver, the collecting device is connected with the sludge pump positioned in the ship body through a corrugated pipe, the sludge outlet of the sludge pump is connected with the sedimentation tank through a pipeline, one side of the ship body is provided with a lifting platform, the lifting platform is fixedly connected with the sampling barrel, the sampling barrel can collect and precipitate the sludge on the floating layer in the river sludge, the floating layer is cleaned from the river, and the thickness of the floating layer before and after the cleaning can be measured, therefore, the cleaning degree is compared and confirmed.

Description

Sediment removing device for floating layer in river sludge and measurement method thereof

Technical Field

The invention relates to the technical field of river treatment, in particular to a sediment removing device for a floating layer in river sludge and a measurement method thereof.

Background

The siltation phenomenon of small and medium river channels in China is common, the original ability of regulating flood storage water and preventing and reducing disasters of the river channels is weakened, the governance of the small and medium river channels and rural river channels is strengthened in recent years by the nation, wherein, dredging engineering is widely implemented as a main measure, the prior river channel dredging is expanded from the traditional water conservancy engineering target which only improves the flood control, drainage and irrigation capabilities of the river channels to the ecological water conservancy target, namely, the engineering aim of reducing the endogenous pollution of the river channels is achieved in the targets of many river channel dredging engineering, and the guarantee is provided for the improvement of the water quality of the river channels. Therefore, the treatment of a large amount of sludge generated by river dredging becomes a problem which cannot be ignored, and the existing river often has a plurality of sludge on a floating layer, which has great influence on water quality.

The prior Chinese patent with the publication number of CN107587541 discloses a simple integrated river sludge treatment device, which comprises a portal bracket, a supporting plate, a crushing mechanism, a concentrating mechanism and a conveying mechanism, wherein a salvaging mechanism which can move left and right on a beam is hung on the portal bracket, the salvaging mechanism comprises an expansion link and a mud salvaging claw arranged at the bottom of the expansion link, the support plate is movably arranged in the middle of the portal bracket, the crushing mechanism is arranged below the mud salvaging claw on the support plate, a crushing cavity and a filter cavity which is separated from the crushing cavity by a filter plate and is arranged at the bottom of the crushing cavity are arranged in the crushing cavity, the concentration mechanism comprises a primary filter assembly and an extrusion assembly which are connected in sequence, the filter cavity is communicated with the primary filter assembly through a sludge discharge pipe, the front end of the conveying mechanism is connected with the extrusion mechanism, and the rear end of the conveying mechanism directly extends to the outer side of the supporting plate. The invention has simple structure, complete functions and good movement flexibility, improves the dredging efficiency, avoids resource waste and is suitable for dredging work of various channels and ditches.

The above prior art solutions have the following drawbacks: 1. unable clearance river course surface floating layer's mud, the mud that the river course bottom can only be said to salvage mechanism, but can break up the mud on floating layer, is difficult to collect the processing more.

2. The sludge thickness of the river sludge floating layer can not be measured, the sludge condition before and after cleaning can not be compared, and the effect after cleaning the sludge can not be confirmed.

Disclosure of Invention

The invention aims to provide a sediment removing device for a floating layer in river sludge and a measuring method thereof.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a sediment clearing device on layer floats among river mud, includes hull, mud collection device, mud pump, sedimentation tank and sampling bucket, the hull both sides are connected with collection device, and collection device includes mud collection pipeline, mud collection mouth and mud shovel ware, is provided with mud collection mouth on the mud collection pipeline, and mud collection mouth department installs mud shovel ware, mud collection mouth is collected into mud collection pipeline through mud shovel ware with the mud on layer that floats, collection device passes through the inside mud pump of bellows coupling bit in the hull, and the mud mouth of mud pump passes through the pipe connection sedimentation tank, one side of hull is provided with the elevating platform, and fixed link has the sampling bucket on this elevating platform.

Through adopting above-mentioned technical scheme, the rotatory mud that will float the layer of mud is collected the mouth and is stirred to the mud of ware is received to mud, thereby make the mud on layer that floats get into the mud collection pipeline, the mud pump that the mud collection pipeline is connected provides suction for collection device, make the mud on layer that floats inhale and get into the mud pump through the bellows in the mud collection pipeline, the mud pump is deposited the clearance through mud outlet discharge in the sedimentation tank with the mud of inhaling, the sampling bucket can sample the mud in the wuhua shi layer, with this thickness of calculating the layer mud that floats.

The invention is further configured to: the inside hollow structure that is of mud collecting pipe is provided with a plurality of mud collection mouths on the side of mud collecting pipe, and this mud collection mouth is the circular port, and installs mud shovel in the mud collection mouth and receive the ware, mud shovel receives the ware and includes the axis of rotation, installs the shovel rotor in the axis of rotation.

Through adopting above-mentioned technical scheme, the rotation of axis of rotation drives the shovel movable plate and rotates to make the shovel movable plate stir mud in to mud collection mouth, then mud is collected mouthful entering mud through mud and is collected in the pipeline under the suction of dredge pump.

The invention is further configured to: the sludge collecting pipeline in the collecting device is connected with the ship body through a rotating shaft, a fixing lug is arranged on the ship body, a through hole is formed in the sludge collecting pipeline, the rotating shaft penetrates through the fixing lug and the through hole to fix the sludge collecting pipeline on the ship body, the other end of the rotating shaft is connected with a driving motor, and the sludge collecting pipeline is communicated with a sludge inlet of the sludge pump through a corrugated pipe.

Through adopting above-mentioned technical scheme for the rotatory fixing of mud collecting pipe is in hull one side, when not needing to carry out mud collection during operation, and mud collecting pipe hugs closely together with the hull, when needs carry out mud collection during operation, and driving motor begins work and makes the rotation axis rotate, and the rotation axis drives mud collecting pipe and rotates, makes mud collecting pipe and hull form 90 degrees contained angles, thereby makes mud collecting pipe can collect mud.

The invention is further configured to: the sedimentation tank comprises a tank body, a sedimentation cavity, a screen, a support plate, a sludge cavity, a water inlet and a water outlet, wherein the water inlet and the water outlet are respectively arranged on two sides of the tank body, the screen is arranged inside the tank body, the support plate is arranged below the screen, the sedimentation cavity and the sludge cavity are separated from the tank body by the support plate, and the sludge cavity is arranged below the support plate.

Through adopting above-mentioned technical scheme, during mud in the suction pump entered into the sedimentation chamber in the sedimentation tank through the water inlet, the screen cloth in the sedimentation chamber got off mud screening, fell on supporting class, and other water flow through the delivery port, and the backup pad is opened after the backup pad silts partial mud, and mud then falls into in the mud chamber.

The invention is further configured to: the water inlet is connected with a mud outlet of the mud pump through a pipeline, and the water outlet is connected to the outside of the ship body through a pipeline.

By adopting the technical scheme, the water from which the sludge is removed after the precipitation is discharged into the river channel from the water outlet.

The invention is further configured to: the supporting plate is of a shutter type structure, and a switch is arranged on the side face of the supporting plate.

By adopting the technical scheme, the switch is turned on, the leak is opened by the supporting plate, so that the sludge falls into the sludge cavity, and the sludge treatment device is convenient and fast.

The invention is further configured to: the water outlet is positioned on the side wall of the tank body and is higher than the water inlet on the side wall of the tank body.

Through adopting above-mentioned technical scheme, avoid mud to follow the delivery port outflow along with rivers.

The invention is further configured to: the lifting platform comprises a rotating wheel and a pull rope connected to the rotating wheel, and a sampling barrel is connected to the pull rope.

Through adopting above-mentioned technical scheme, through the stay cord pulling sample bucket for the sample bucket can remove on river course and hull.

The invention is further configured to: and volume scales are arranged on the side wall of the sampling barrel.

Through adopting above-mentioned technical scheme, conveniently read the volume of sampling bucket sample.

A method for measuring a floating layer in river sludge is characterized by comprising the following steps: the method comprises the following steps:

A. placing the sampling barrel into a river channel through a pull rope on a lifting platform to collect a partial floating layer, and then pulling the pull rope to pull the collected sampling barrel onto a ship body;

B. reading the volume of the collected floating layer according to volume scales arranged on the side wall of the sampling barrel, then placing the sampling barrel on a weighing device to weigh the mass, and subtracting the net weight of the sampling barrel from the weighed mass to obtain the mass of the collected floating layer;

C. calculating the density of the floating layer according to the formula r = m/v;

D. the method comprises the following steps of defining a floating layer with a certain fixed area in a river channel, taking out the floating layer in the area completely through a sampling barrel, weighing the mass of the floating layer through a weighing device, calculating the volume of the floating layer in the area according to a formula V = m/r, and calculating the thickness h of the floating layer according to a formula V = s h;

E. and (3) taking a plurality of floating layers with different areas in the river channel, measuring the thickness h of the floating layers, and finally taking the average value of the floating layers as the thickness of the floating layers.

In conclusion, the beneficial technical effects of the invention are as follows:

1. the sludge on the floating layer of the river can be collected through the arranged collecting device, and then the sludge is settled and cleaned in the sedimentation tank in the hull, so that the sludge on the floating layer can be collected, settled and cleaned more conveniently and quickly;

2. the mud on the layer that floats in can taking out the river course through the setting of sampling bucket, then carry out quantitative analysis and calculate the mud density on the layer that floats, calculate the thickness on layer that floats through the density to the thickness change around the layer clearance floats in the contrast, confirm the clearance effect with this, it is simple and clear.

Drawings

FIG. 1 is a schematic structural diagram of a device for removing sediments in a floating layer in river sludge according to the present invention;

FIG. 2 is a schematic structural diagram of a collecting device of the device for removing sediments in a floating layer in river sludge according to the present invention;

FIG. 3 is a schematic structural diagram of a sludge scooper of the device for removing sediments in a floating layer in river sludge according to the present invention;

fig. 4 is a schematic structural diagram of a sedimentation tank of the device for removing sediments in a floating layer in river sludge.

In the figure; 1. a hull; 2. a sludge collection device; 21. a sludge collection pipeline; 22. a sludge collection port; 23. a sludge shovel receiver; 231. a rotating shaft; 232. a shoveling sheet; 3. a mud pump; 4. a sedimentation tank; 41. a tank body; 42. a sedimentation chamber; 43. screening a screen; 44. a support plate; 45. a sludge chamber; 46. a water inlet; 47. a water outlet; 5. a sampling barrel; 6. a bellows; 7. a rotating shaft; 8. a drive motor; 9. a lifting platform; 10. a rotating wheel; 11. and pulling a rope.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The invention discloses a collecting device of a sediment removing device of a floating layer in river sludge, which comprises a ship body 1 and sludge collecting devices 2 connected to two sides of the ship body 1, wherein in the embodiment, the sludge collecting devices 2 are connected with the ship body 1 through a rotating shaft 7, and the rotating shaft 7 is connected with a driving motor 8.

Referring to fig. 1, a mud pump 3 is installed in a ship body 11, a mud inlet of the mud pump 3 is connected with a mud collecting device 2 through a corrugated pipe 6, a mud outlet of the mud pump 3 is connected with a sedimentation tank 4, in the embodiment, the mud pump 3 is a high-power mud pumping device, and a crushing device capable of crushing large granular substances is arranged inside the mud pump.

Referring to fig. 1, be provided with elevating platform 9 on hull 1, be provided with the lift post on this elevating platform 9, runner 10 is installed on the top of lift post, and the winding has a stay cord 11 on this runner 10, the one end of stay cord 11 is located hull 11, and the other end is connected with sampling bucket 5, and in this embodiment, for the convenience of sampling bucket 5 draws the mud on the layer that floats, sampling bucket 5 internally mounted has aggravates the device, and is carved with the scale on sampling bucket 5 outer wall.

Referring to fig. 2, the sludge collecting device 2 is composed of a sludge collecting pipeline 21, a sludge collecting port 22 and a sludge shoveling device 23, the sludge collecting port 22 is formed on the sludge collecting pipeline 21, the sludge shoveling device 23 is installed at each sludge collecting port 22, and in this embodiment, the sludge shoveling device 23 rotates clockwise perpendicular to the direction of the sludge collecting pipeline 21.

Referring to fig. 3, the sludge scooping device 23 is composed of a rotating shaft 231 and a scooping piece 232, the rotating shaft 231 is installed in the sludge collecting port 22, the scooping piece 232 is connected to the rotating shaft 231 in a clamping manner, and in this embodiment, the rotating shaft 231 drives the scooping piece 232 to rotate to pull the sludge in the water into the sludge collecting pipeline 21.

Referring to fig. 4, a supporting plate 44 is disposed inside the tank body 41 of the sedimentation tank 4, the supporting plate 44 divides the tank body 41 into a sedimentation chamber 42 and a sludge chamber 45, in this embodiment, the supporting plate 44 is a louver structure, and a switch is disposed on a side surface of the supporting plate 44.

Referring to fig. 4, a screen 43 is installed in the settling chamber 42, and in this embodiment, the screen 43 has a wave structure.

Referring to fig. 4, a water inlet 46 and a water outlet 47 are disposed on two sides of the tank body 41, and in this embodiment, the height of the water inlet 46 on the side wall of the tank body 41 is lower than the height of the water outlet 47 on the side wall of the tank body 41.

As another aspect of the present invention, there is provided a method for measuring a floating layer in river sludge, the method comprising the steps of:

A. the sampling barrel 5 is placed into a river channel through a pull rope 11 on a lifting platform 9 to collect a part of floating layers, and then the pull rope 11 is pulled to pull the collected sampling barrel 5 to the ship body 1;

B. reading the volume of the collected floating layer according to the volume scale arranged on the side wall of the sampling barrel 5, then putting the sampling barrel 5 on a weighing device to weigh the mass, and subtracting the net weight of the sampling barrel 5 from the weighed mass to obtain the mass of the collected floating layer;

D. a floating layer with a certain fixed area in a river channel is defined, the floating layer in the area is completely taken out through a sampling barrel 5, the mass of the floating layer is weighed through a weighing device, the volume of the floating layer in the area can be calculated according to a formula V = m/r, and then the thickness h of the floating layer can be calculated according to a formula V = s h;

The implementation principle of the embodiment is as follows: after the ship body 1 enters a river channel, the driving motor 8 is started to drive the rotating shaft 7 to rotate, so that the sludge collecting device 2 is perpendicular to the ship body 1, the sludge shoveling device 23 in the sludge collecting device 2 starts to work, the rotating shaft 231 rotates to poke sludge on a floating layer of the river channel into the sludge collecting port 22 through the shoveling sheet 232 and enter the sludge collecting pipeline 21, the sludge pump 3 is started at the moment, the sludge in the sludge collecting pipeline 21 is sucked into the sludge pump 3 through huge suction force, then the sludge is sent into the sedimentation tank 4 through a sludge outlet in the sludge pump 3, the sedimentation chamber 42 in the sedimentation tank 4 sediments the sludge under the action of the screen 43, water in the sludge newly enters the river channel after flowing out through the water outlet 47, the sludge enters the sludge chamber 45 through the supporting plate 44, and the sludge is treated after the ship body 1 comes ashore.

Before the ship body 1 enters the river channel and starts the collection work of sludge on the floating layer, the thickness of the floating layer of the river channel needs to be measured, and the measurement is carried out by the following steps:

1. the sampling barrel 5 is placed into a river channel through a pull rope 11 on a lifting platform 9 to collect a part of floating layers, and then the pull rope 11 is pulled to pull the collected sampling barrel 5 to the ship body 1;

2. reading the volume of the collected floating layer according to the volume scale arranged on the side wall of the sampling barrel 5, then putting the sampling barrel 5 on a weighing device to weigh the mass, and subtracting the net weight of the sampling barrel 5 from the weighed mass to obtain the mass of the collected floating layer;

3. calculating the density of the floating layer according to the formula r = m/v;

4. a floating layer with a certain fixed area in a river channel is defined, the floating layer in the area is completely taken out through a sampling barrel 5, the mass of the floating layer is weighed through a weighing device, the volume of the floating layer in the area can be calculated according to a formula V = m/r, and then the thickness h of the floating layer can be calculated according to a formula V = s h;

5. taking a plurality of floating layers with different areas in the river channel, measuring the thickness h of the floating layers, and finally taking the average value of the floating layers as the thickness of the floating layers;

after the thickness of the floating layer is measured, after the sludge collection of the floating layer is finished, the thickness of the floating layer before and after collection is compared according to the new measurement in the steps, and the cleaning effect of the floating layer is determined.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a sediment clearing device on layer floats in river course mud, includes hull (1), mud collection device (2), mud pump (3), sedimentation tank (4) and sampling bucket (5), its characterized in that: the device comprises a ship body (1) and is characterized in that collecting devices are connected to two sides of the ship body (1), each collecting device comprises a sludge collecting pipeline (21), a sludge collecting port (22) and a sludge shoveling device (23), the sludge collecting ports (22) are arranged on the sludge collecting pipelines (21), the sludge shoveling devices (23) are installed at the sludge collecting ports (22), the sludge collecting ports (22) collect sludge on a floating layer into the sludge collecting pipelines (21) through the sludge shoveling devices (23), the collecting devices are connected with a sludge pump (3) located inside the ship body (1) through a corrugated pipe (6), a sludge outlet of the sludge pump (3) is connected with a sedimentation tank (4) through a pipeline, a lifting platform (9) is arranged on one side of the ship body (1), and a sampling barrel (5) is fixedly connected to the lifting platform (9); sedimentation tank (4) include cell body (41), sedimentation chamber (42), screen cloth (43), backup pad (44), mud chamber (45), water inlet (46) and delivery port (47), cell body (41) both sides are provided with water inlet (46) and delivery port (47) respectively, cell body (41) internally mounted has screen cloth (43), and the below of screen cloth (43) is provided with backup pad (44), and sedimentation chamber (42) and mud chamber (45) are separated into with cell body (41) to backup pad (44), and backup pad (44) below is mud chamber (45).

2. The device for removing sediments in river sludge according to claim 1, which is characterized in that: the mud is collected pipeline (21) inside and is hollow structure, is provided with a plurality of mud on the side of mud collection pipeline (21) and collects mouth (22), and this mud is collected mouth (22) and is the circular port, and installs mud shovel in the mud collection mouth (22) and receive ware (23), mud shovel receives ware (23) and includes axis of rotation (231), installs shovel moving plate (232) on axis of rotation (231).

3. The device for removing sediments in river sludge according to claim 2, which is characterized in that: sludge collecting pipe (21) among the collection device is connected through rotation axis (7) with hull (1), is provided with fixed ear on hull (1), is provided with the through-hole on sludge collecting pipe (21), and rotation axis (7) pass fixed ear and through-hole and fix sludge collecting pipe (21) on hull (1), and driving motor (8) are connected to the other end of rotation axis (7), sludge collecting pipe (21) pass through the mud inlet of bellows (6) intercommunication dredge pump (3).

4. The device for removing sediments in river sludge according to claim 1, which is characterized in that: the water inlet (46) is connected with a mud outlet of the mud pump (3) through a pipeline, and the water outlet (47) is connected to the outside of the ship body (1) through a pipeline.

5. The device for removing sediments in river sludge according to claim 1, which is characterized in that: the supporting plate (44) is of a shutter type structure, and a switch is arranged on the side face of the supporting plate (44).

6. The device for removing sediments in river sludge according to claim 1, which is characterized in that: the height of the water outlet (47) on the side wall of the tank body (41) is higher than that of the water inlet (46) on the side wall of the tank body (41).

7. The device for removing sediments in river sludge according to claim 1, which is characterized in that: the lifting platform (9) comprises a rotating wheel (10) and a pull rope (11) connected to the rotating wheel (10), and the pull rope (11) is connected with a sampling barrel (5).

8. The device for removing sediments in river sludge according to claim 1, which is characterized in that: the side wall of the sampling barrel (5) is provided with volume scales.

9. A method for measuring a floating layer in river sludge is characterized by comprising the following steps: the method comprises the following steps:

A. the sampling barrel (5) is placed into a river channel through a pull rope (11) on a lifting platform (9) to collect a partial floating layer, then the pull rope (11) is pulled, and the collected sampling barrel (5) is pulled to the ship body (1);

B. reading the volume of the collected floating layer according to volume scales arranged on the side wall of the sampling barrel (5), then putting the sampling barrel (5) on a weighing device to weigh the mass, and subtracting the net weight of the sampling barrel (5) from the weighed mass to obtain the mass of the collected floating layer;

D. a floating layer with a certain fixed area in the river channel is defined, the floating layer with the fixed area is completely taken out through a sampling barrel (5), the mass of the floating layer is weighed through a weighing device, the volume of the floating layer with the fixed area can be calculated according to a formula V = m/r, and then the thickness h of the floating layer can be calculated according to a formula V = s h;