CN107989088B

CN107989088B - Device and method for removing coastal river sediment

Info

Publication number: CN107989088B
Application number: CN201711288174.2A
Authority: CN
Inventors: 石媛瑗
Original assignee: Jiaxing Jinhui Construction Co ltd
Current assignee: JIAXING JINHUI CONSTRUCTION Co.,Ltd.
Priority date: 2017-12-07
Filing date: 2017-12-07
Publication date: 2020-12-18
Anticipated expiration: 2037-12-07
Also published as: CN107989088A

Abstract

The invention discloses a device for removing coastal river sediment in the technical field of coastal river sediment removal, which comprises a crushing box, wherein a sediment conveying pipe is arranged on the left side of the crushing box, a sediment pump is arranged on the sediment conveying pipe, a telescopic pipe is arranged at one end of the sediment conveying pipe, which is far away from the crushing box, a sediment suction pipe is arranged at the bottom of the telescopic pipe, a stirring box is arranged at the bottom of the crushing box, a vertical stirring shaft is vertically arranged in the inner cavity of the stirring box, a transverse stirring shaft is arranged on the right side of the vertical stirring shaft, a filtering box is arranged at the bottom of the stirring box, a filtering plate is arranged in the inner cavity of the filtering box, a conveyer is arranged on the right side of the filtering plate, and a sediment collecting box is arranged on the right side of the conveyer. Compared with the dredging method, the method has the advantages of practicability and manpower and material resource saving.

Description

Device and method for removing coastal river sediment

Technical Field

The invention relates to the technical field of removing coastal river sediment, in particular to a device and a method for removing coastal river sediment.

Background

The problem of river channel silting exists in most coastal rivers, the sea area near the mouth of coastal rivers has high sediment content, tide water brings a large amount of sediment into river channels, the rising tide lasts for a short time, the flow rate is high, the sediment content is high, the sediment is deposited and is adhered to a riverbed during rising, the duration of falling tide is long, the flow rate is slow, the viscous force of the deposited sediment is difficult to overcome, the sediment in the falling tide brought back to the sea is less than the sediment amount brought into the rivers by the rising tide, particularly in dry seasons, the water inflow at the upstream of coastal rivers is low, the hydrodynamic force is weaker, the sediment is more, and the problem of sedimentation cannot be solved, while most of the existing methods utilize a dredging method to remove the sediment in coastal rivers, for example, a device and a method for removing the sediment in coastal rivers with application number of CN201510028824.4, comprise a dredging device, a power device and a control device, wherein the power device provides power, the control device controls the running direction and the path of the dredging device, when the dredging device falls into the tide, running on the sediment of the river bed to stir the sediment on the river bed, the sediment turns over, the sediment is mixed into the water flow of the tide, the method for removing the sediment of the coastal river by using the dredging device and the water power of the falling tide is called as a dredging method for removing the sediment of the coastal river, the method can not solve the problem of sediment deposition fundamentally, so that the sediment can be deposited in the sea after flowing into the sea for a long time, and the dredging method is difficult to operate and consumes a large amount of manpower and material resources, so a device and a method for removing the sediment of coastal rivers are provided.

Disclosure of Invention

The invention aims to provide a device and a method for removing coastal river sediment, so as to solve the problem of difficulty in removing the sediment in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a device for removing coastal river sediment comprises a crushing box, wherein a first motor is installed on the right side of the crushing box, a rotating shaft is installed at the output end of the first motor, the other end of the rotating shaft extends into the inner cavity of the crushing box, crushing blades are uniformly installed on the outer wall of the rotating shaft, an outlet of the crushing box is opened on the right side of the bottom of the crushing box, a sediment conveying pipe is installed on the left side of the crushing box, a sediment pump is arranged on the sediment conveying pipe, a telescopic pipe is installed at one end, away from the crushing box, of the sediment conveying pipe, a sediment suction pipe is installed at the bottom of the telescopic pipe, a sediment cover is installed at the other end of the sediment suction pipe, a support frame is installed at the bottom of the sediment cover, the bottom of the support frame is consistent with the surface of sediment, a stirring box is installed at the bottom of the crushing box, a vertical stirring shaft is vertically arranged in the inner cavity of, stirring blades are respectively arranged on the vertical stirring shaft and the transverse stirring shaft, a stirring box outlet is arranged on the left side of the bottom of the stirring box, a filtering box is arranged at the bottom of the stirring box, a filtering plate is arranged in an inner cavity of the filtering box, a water pump is arranged at the bottom of the left side of the filtering box through a guide pipe, a water outlet of the water pump is provided with a water discharge pipe, the other end of the water discharge pipe extends to the outer wall of the right side of the ship body, a conveyer is arranged on the right side of the filtering plate, a motor II is arranged at the top of the conveyer, a conveying shaft is arranged at the output end of the motor II, the other end of the conveying shaft extends into the inner cavity of the conveyer, a conveying impeller is arranged on the outer wall of the conveying shaft, a silt inlet is arranged at the bottom of the right side of the conveyer, the silt inlet is flush, the top left side of silt collecting box is equipped with collects the mouth, and collects the mouth and be located silt export under.

Preferably, flexible pipe is including protruding fold and concave fold, protruding fold and concave fold are arranged at intervals each other and are set up on the surface of flexible pipe, and are equipped with the reinforcement ring on protruding fold and the concave fold, the top and the bottom of flexible pipe are seted up respectively and are had silt to exit hole and silt hand-hole, the spring leaf is all installed to the left and right sides of flexible pipe, and the one end of two sets of spring leaves is fixed at the top of flexible pipe, and the other end is fixed in the bottom of flexible pipe.

Preferably, the stirring blades are rhombic stirring blades, and through holes are uniformly formed in the stirring blades.

Preferably, the filter plate is obliquely arranged in the inner cavity of the filter box, and the inclination angle is 45-60 degrees.

Preferably, the bottom of the silt cover is provided with an impeller, and the impeller is a spiral impeller.

Preferably, the output ends of the motors are mounted at the tops of the vertical stirring shaft and the transverse stirring shaft, and the motors are servo motors.

Preferably, the method for removing the sediment in the coastal river comprises the following steps:

s1: the depth of the sediment suction pipe is adjusted by using the telescopic pipe, the support frame is placed on a horizontal plane flush with the sediment, the sediment pump is started, and the sediment and the stone and other impurities deposited into blocks form water flow by using the rotation of the impeller, and are sucked into the crushing box through the sediment conveying pipe;

s2: starting a motor I, crushing impurities such as blocking silt and the like entering a crushing box by a crushing blade arranged on a rotating shaft, then enabling the crushed silt to enter a stirring box from an outlet of the crushing box, fully stirring and crushing the blocking silt which is not crushed completely by stirring blades arranged on a vertical stirring shaft and a transverse stirring shaft, and then enabling the blocking silt to flow into a filter box through an outlet of the stirring box;

s3: the silt entering the filter box filters moisture on the filter plate which is obliquely arranged, and the remaining silt flows into the right side of the filter plate and enters a silt inlet on the conveyor;

s4: and a second motor is started, and silt without moisture is transported to the silt collecting box on the right side of the top of the ship body on the transportation impeller, so that the cleared silt can be reused.

Compared with the prior art, the invention has the beneficial effects that:

1. through the setting of flexible pipe, can absorb the silt of each degree of depth to clear up, set up the spring leaf of leading usefulness on the flexible pipe body simultaneously, when making this flexible pipe body stretch out and draw back reciprocating motion, can follow the axle center direction removal of this flexible pipe body, in order to avoid it crooked, increase the practicality.

2. Through the setting of smashing case and agitator tank, make sediment blocking's silt and stone smashed, make the silt of driving out in the coastal river through the filter filtration, collect through the collecting box again, can be utilized once more, practice thrift the cost.

3. The invention has simple structure and convenient use, can quickly remove silt deposited at the bottom of the river along the sea, prevents flood caused by excessive deposited silt, has more practicability compared with a dredging method, and saves manpower and material resources.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a telescopic tube according to the present invention.

In the figure: 1 crushing box, 2 motor I, 3 rotating shaft, 4 crushing blades, 5 crushing box outlet, 6 silt conveying pipe, 7 silt pump, 8 telescopic pipe, 81 convex corrugation, 82 concave corrugation, 83 silt outlet hole, 84 silt inlet hole, 85 spring leaf, 86 reinforcing ring, 9 silt suction pipe, 10 silt cover, 11 support frame, 12 stirring box, 13 vertical stirring shaft, 14 transverse stirring shaft, 15 stirring box outlet, 16 filtering box, 17 filtering plate, 18 conveyer, 19 motor II, 20 conveying shaft, 21 conveying impeller, 22 silt inlet, 23 silt outlet, 24 guide pipe, 25 water discharge pipe, 26 water pump, 27 stirring blade, 28 silt, 29 silt collecting box, 30 collecting port and 31 ship body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a device for removing coastal river sediment comprises a crushing box 1, wherein a motor I2 is arranged on the right side of the crushing box 1 and provides power for crushing, a rotating shaft 3 is arranged at the output end of the motor I2, the other end of the rotating shaft 3 extends into the inner cavity of the crushing box 1, crushing blades 4 are uniformly arranged on the outer wall of the rotating shaft 3, a crushing box outlet 5 is arranged on the right side of the bottom of the crushing box 1, a sediment conveying pipe 6 is arranged on the left side of the crushing box 1, a sediment pump 7 is arranged on the sediment conveying pipe 6 and provides a power source for sucking the sediment 28 at the bottom of the water, a telescopic pipe 8 is arranged at one end, far away from the crushing box 1, of the sediment conveying pipe 6 and can absorb the sediment 28 at each depth, a sediment suction pipe 9 is arranged at the bottom of the telescopic pipe 8, a sediment cover 10 is arranged at the other end of the sediment suction pipe 9, an impeller is arranged at the bottom of the sediment cover 10 and is a spiral impeller, a supporting frame 11 is arranged at the bottom of a silt cover 10, the bottom of the supporting frame 11 is consistent with the surface of silt 28, the silt 28 is prevented from blocking a silt suction pipe 9, a stirring box 12 is arranged at the bottom of a crushing box 1, a vertical stirring shaft 13 is vertically arranged in an inner cavity of the stirring box 12, a transverse stirring shaft 14 is arranged at the right side of the vertical stirring shaft 13, stirring blades 27 are arranged on the vertical stirring shaft 13 and the transverse stirring shaft 14 respectively, so that the stirring is more uniform, the output ends of motors are arranged at the tops of the vertical stirring shaft 13 and the transverse stirring shaft 14 respectively, the motors are servo motors and provide power for the stirring, a stirring box outlet 15 is arranged at the left side of the bottom of the stirring box 12, a filtering box 16 is arranged at the bottom of the stirring box 12, a filtering plate 17 is arranged in an inner cavity of the filtering box 16, a water pump 26 is arranged, and the drain pipe 25 other end extends to the right side outer wall of hull 31, the right side installation conveyer 18 of filter 17, second motor 19 is installed at the top of conveyer 18, transport axle 20 is installed to the output of second motor 19, and the other end of transport axle 20 extends to in the inner chamber of conveyer 18, transport impeller 21 is carried in the outer wall ann of transport axle 20, silt import 22 has been seted up to the right side bottom of conveyer 18, and silt import 22 flushes with the surface of filter 17, silt export 23 has been seted up to the right side top outer wall of conveyer 18, silt collecting box 29 is installed on the right side of conveyer 18, the top left side of silt collecting box 29 is equipped with collection mouth 30, and collection mouth 30 is located silt export 23 under.

The telescopic pipe 8 comprises convex corrugations 81 and concave corrugations 82, the convex corrugations 81 and the concave corrugations 82 are arranged on the surface of the telescopic pipe 8 at intervals, reinforcing rings 86 are arranged on the convex corrugations 81 and the concave corrugations 82, silt outlet holes 83 and silt inlet holes 84 are respectively formed in the top and the bottom of the telescopic pipe 8, spring pieces 85 are respectively installed on the left side and the right side of the telescopic pipe 8, one ends of the two sets of spring pieces 85 are fixed at the top of the telescopic pipe 8, the other ends of the two sets of spring pieces are fixed at the bottom of the telescopic pipe 8, and the spring pieces 85 for guiding are effectively arranged on the telescopic pipe 8, so that the telescopic pipe 8 can move along the axis direction of the telescopic pipe 8 when performing telescopic reciprocating motion so as to avoid the telescopic pipe from being inclined;

the stirring blades 27 are rhombic stirring blades, through holes are uniformly formed in the stirring blades 27, so that more uniform stirring is facilitated, the weight of stirring is reduced due to the arrangement of the through holes, the stirring blades 27 are prevented from being damaged due to excessive accumulation of silt 28, and materials are prevented from being adhered to the stirring blades 27;

the filter plate 17 is obliquely arranged in the inner cavity of the filter box 16, the inclination angle is 45-60 degrees, moisture can be effectively filtered through the filter plate 17, and the inclination angle is 45-60 degrees, so that silt 28 can enter the silt inlet 22 on the conveyor 18 in the largest range through the filter plate 17;

the method for removing the sediment in the coastal river comprises the following steps:

s1: the depth of a sediment suction pipe 9 is adjusted by using a telescopic pipe 8, a support frame 11 is placed on a horizontal plane flush with sediment 28, a sediment pump 7 is started, and the sediment 28 and stone deposited into blocks form water flow by using the rotation of an impeller, and are sucked into a crushing box 1 through a sediment conveying pipe 6;

s2: starting a motor I2, crushing impurities such as lumpy silt 28 entering a crushing box 1 by a crushing blade 4 arranged on a rotating shaft 3, then enabling the crushed silt 28 to enter a stirring box 12 from an outlet 5 of the crushing box, fully stirring and crushing the lumpy silt 28 which is not crushed by stirring blades 27 arranged on a vertical stirring shaft 13 and a transverse stirring shaft 14, and then enabling the lumpy silt 28 to flow into a filter box 16 through an outlet 15 of the stirring box;

s3: the silt 28 entering the filter box 16 filters moisture on the filter plate 17 which is obliquely arranged, and the remaining silt 28 flows into the silt inlet 22 on the conveyor 18 at the right side of the filter plate 17;

s4: the second motor 19 is started to transport the silt 28 without moisture to the silt collecting tank 29 at the right side of the top of the ship body 31 on the transportation impeller 21, and the cleaned silt 28 can be reused.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a get rid of device of coastal river sediment, includes crushing case (1), its characterized in that: the right side of smashing case (1) is provided with motor one (2), the output end of motor one (2) is provided with rotating shaft (3), the other end of rotating shaft (3) extends into the inner cavity of smashing case (1), the outer wall of rotating shaft (3) is uniformly provided with smashing blades (4), the bottom right side of smashing case (1) is provided with smashing case outlet (5), the left side of smashing case (1) is provided with silt conveying pipe (6), silt conveying pipe (6) is provided with silt pump (7), one end of silt conveying pipe (6) far away from smashing case (1) is provided with telescopic pipe (8), the bottom of telescopic pipe (8) is provided with silt suction pipe (9), the other end of silt suction pipe (9) is provided with silt cover (10), the bottom of silt cover (10) is provided with support frame (11), and the bottom of support frame (11) is consistent with the surface of silt (28), the bottom of the crushing box (1) is provided with a stirring box (12), a vertical stirring shaft (13) is vertically arranged in an inner cavity of the stirring box (12), the right side of the vertical stirring shaft (13) is provided with a transverse stirring shaft (14), stirring blades (27) are arranged on the vertical stirring shaft (13) and the transverse stirring shaft (14), the left side of the bottom of the stirring box (12) is provided with a stirring box outlet (15), the bottom of the stirring box (12) is provided with a filtering box (16), a filtering plate (17) is arranged in the inner cavity of the filtering box (16), the left bottom of the filtering box (16) is provided with a water pump (26) through a guide pipe (24), a water outlet of the water pump (26) is provided with a water drainage pipe (25), the other end of the water drainage pipe (25) extends to the outer wall of the right side of the ship body (31), and the right side of the, a second motor (19) is mounted at the top of the transporter (18), a transporting shaft (20) is mounted at the output end of the second motor (19), the other end of the transporting shaft (20) extends into an inner cavity of the transporter (18), a transporting impeller (21) is mounted on the outer wall of the transporting shaft (20), a silt inlet (22) is formed in the bottom of the right side of the transporter (18), the silt inlet (22) is flush with the surface of the filter plate (17), a silt outlet (23) is formed in the outer wall of the top of the right side of the transporter (18), a silt collecting box (29) is mounted on the right side of the transporter (18), a collecting port (30) is formed in the left side of the top of the silt collecting box (29), and the collecting port (30) is located right below the silt outlet (23);

flexible pipe (8) are including protruding fold (81) and concave fold (82), protruding fold (81) and concave fold (82) are arranged at interval each other and are set up on the surface of stretch tube (8), and are equipped with reinforcement ring (86) on protruding fold (81) and concave fold (82), silt outlet hole (83) and silt inlet hole (84) have been seted up respectively to the top and the bottom of flexible pipe (8), spring leaf (85) are all installed to the left and right sides of flexible pipe (8), and the one end of two sets of spring leaf (85) is fixed at the top of flexible pipe (8), and the bottom at flexible pipe (8) is fixed to the other end.

2. The apparatus according to claim 1, wherein the apparatus comprises: the stirring blades (27) are rhombic stirring blades, and through holes are uniformly formed in the stirring blades (27).

3. The apparatus according to claim 1, wherein the apparatus comprises: the filter plate (17) is obliquely arranged in the inner cavity of the filter box (16), and the inclination angle is 45-60 degrees.

4. The apparatus according to claim 1, wherein the apparatus comprises: the impeller is installed to the bottom of silt cover (10), and the impeller is the spiral impeller.

5. The apparatus according to claim 1, wherein the apparatus comprises: the output ends of the motors are arranged at the tops of the vertical stirring shaft (13) and the transverse stirring shaft (14), and the motors are servo motors.

6. The apparatus according to claim 1, wherein the apparatus comprises: the method for removing sediment deposited along the rivers of the sea comprises the following steps:

s1: the depth of a sediment suction pipe (9) is adjusted by using a telescopic pipe (8), a support frame (11) is placed on a horizontal plane level with sediment (28), a sediment pump (7) is started, and impurities such as the sediment (28) and stones deposited into blocks form water flow by using the rotation of an impeller, and the water flow and the impurities are sucked into a crushing box (1) through a sediment conveying pipe (6);

s2: starting a motor I (2), enabling impurities such as agglomerated silt (28) entering a crushing box (1) to be crushed by a crushing blade (4) arranged on a rotating shaft (3), enabling the crushed silt (28) to enter a stirring box (12) from an outlet (5) of the crushing box, enabling the agglomerated silt (28) which is not crushed to be fully stirred and crushed by stirring blades (27) arranged on a vertical stirring shaft (13) and a transverse stirring shaft (14), and enabling the agglomerated silt (28) to flow into a filter box (16) through an outlet (15) of the stirring box;

s3: the silt (28) entering the filter box (16) filters moisture on the filter plate (17) which is obliquely arranged, and the remaining silt (28) flows into the silt inlet (22) on the conveyor (18) at the right side of the filter plate (17);

s4: and starting a second motor (19), and transporting the silt (28) without moisture to a silt collecting box (29) at the right side of the top of the ship body (31) on the transportation impeller (21), so that the cleaned silt (28) can be reused.