CN113898018A

CN113898018A - River regulation construction method

Info

Publication number: CN113898018A
Application number: CN202111262915.6A
Authority: CN
Inventors: 刘志坚; 钟柱鹏; 陈浩东; 刘焕毫; 周启华; 周康进; 欧阳惠文; 曾德运
Original assignee: Guangdong Hengshi Construction Group Co ltd
Current assignee: Guangdong Hengshi Construction Group Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-01-07

Abstract

The application relates to a river regulation construction method, which comprises a silt barge and pumping equipment arranged on the silt barge, wherein the pumping equipment comprises a filter press arranged at the middle position of a deck of the silt barge and a conveying belt arranged at the tail part of the silt barge, and the conveying belt comprises a horizontal section positioned below the filter press and an inclined section positioned at the tail part of the silt barge; a water pump is arranged at the front position of an upper deck of the silt barge, a water inlet of the water pump is connected with a water inlet pipe of which the lower end part is inserted into a river channel, a water outlet of the water pump is connected with a water outlet pipe, one end of the water outlet pipe, which is far away from the water pump, is connected with a filter press, and a drain pipe is arranged on the filter press; the tail part of the sludge barge is provided with a bracket which supports the inclined end part of the conveying belt far away from the filter press, and the tail part of the sludge barge is provided with a power device which drives the sludge barge to move. This application has realized the compression of activity duration in the work progress, has saved beating and latency to inserting of cofferdam, has promoted the efficiency of construction of river course renovation process.

Description

River regulation construction method

Technical Field

The application relates to the field of river regulation, in particular to a river regulation construction method.

Background

With the continuous development of national economy and society, new requirements on water conservancy development are provided by sustainable development and observation, and the sustainable development of the economic society of the whole province is supported by the sustainable utilization of water resources. Water conservancy basic construction in rural areas has a plurality of weak links, and particularly, the problems of rural river channels are not suitable for the new situation of agricultural and rural economic development. River regulation, also known as "riverbed regulation", is an engineering measure for controlling and modifying river channels. The phenomena of scouring and silting frequently occur in natural rivers, water damage easily occurs, and the development of water conservancy is hindered. In order to meet the requirements of removing troubles and benefiting, proper measures are needed to be taken to renovate the river channel, including projects such as dredging, dredging and bank protection.

Along with the continuous siltation of sediments such as silt at the middle and upper reaches of a river channel, the runoff of the river channel is reduced due to the silt on a riverbed in the river channel, and the siltation of the river channel increasingly influences the normal play of various functions such as flood control, drainage, irrigation, water supply, navigation and the like, so that the engineering of dredging and dredging the river channel is carried out for recovering the normal function of the river channel and promoting the rapid and continuous development of the economic society. In the existing river channel treatment process, before dredging operation is carried out, cofferdams are required to be constructed on the upstream and downstream of a river channel, so that the section of the river channel forms a closed area, then the river channel in the area is pumped and emptied, finally, sludge is excavated in the river channel by means of equipment such as an excavator, and after the sludge is cleared up, all groups of cofferdams are removed, so that the construction process of dredging and treating the river channel is completed.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: when the existing riverway is subjected to dredging operation, cofferdam inserting and beating are carried out on the upstream and the downstream of the riverway, and certain operation time is required when the cofferdam inserting and beating is carried out; meanwhile, the water pumping and emptying area needs to be placed for a period of time, so that the sludge on the river bed is dried as much as possible, and the excavator is prevented from being sunk into the sludge during dredging operation, so that the time period of the river channel dredging treatment process is longer, and an improved space exists.

Disclosure of Invention

In order to improve the labor efficiency of the river channel dredging and renovating process and compress the construction period of the renovating operation, the application provides a river channel renovating construction method.

The river regulation construction method provided by the application adopts the following technical scheme:

the river regulation construction method comprises a sludge barge and pumping equipment arranged on the sludge barge, wherein the pumping equipment comprises a filter press arranged on the middle position of a deck of the sludge barge and a conveying belt arranged at the tail part of the sludge barge, and the conveying belt comprises a horizontal section positioned below the filter press and an inclined section positioned at the tail part of the sludge barge; a water pump is installed at the front end of an upper deck of the silt barge, a water inlet of the water pump is connected with a water inlet pipe with the lower end inserted into a river channel, a water outlet of the water pump is connected with a water outlet pipe, one end of the water outlet pipe, which is far away from the water pump, is connected with the filter press, and a drain pipe is installed on the filter press; and a bracket is erected at the tail part of the sludge barge and supports the inclined end part of the conveying belt far away from the filter press, and a power device for driving the sludge barge to move is installed at the tail part of the sludge barge.

By adopting the technical scheme, the suction equipment is arranged on the silt barge, when the suction remediation of the silt in the river channel is carried out, at the moment, the silt barge is anchored in the river channel, a conveying belt arranged on the silt barge extends from the tail part of the silt barge to the river bank, when the construction operation is carried out, the water inlet pipe connected with the water pump is inserted into the river channel, the water pump is started to continuously suck the sludge, the sludge is further filled into the filter press along the water outlet pipe, after the mortar in the filter press is filled, at the moment, the water pump stops pumping, the filter press is started to dewater the sludge, the water body in the sludge is continuously discharged from a drain pipe on the filter press, the dewatered silt is compacted into a cake shape, the sand and stone dewatered by the silt continuously fall on the horizontal section of the conveying belt from the lower part of the filter press, and the conveying belt continuously conveys the dewatered sand and stone to the river bank along with the rotation of the conveying belt; meanwhile, after the sand falls, the water pump sucks the silt again, the silt is poured into the filter press again, and the silt is dehydrated again, and the above process is repeated continuously to realize the removal of the silt in the riverbed; compared with the existing construction method for inserting and beating the cofferdam and then excavating the silt, the construction method has the advantages that the compression of the operation time in the construction process is realized, the inserting and beating and waiting time of the cofferdam is saved, and the construction efficiency in the river regulation process is improved.

Preferably, a base is installed on the upper end face of the sludge barge, the filter press frame is arranged on the base, and the horizontal section of the conveying belt is positioned inside the base; the conveying belt is characterized in that a motor for driving the conveying belt to rotate is installed at the intersection point position of the horizontal section and the inclined section of the conveying belt, two groups of rollers are connected to the intersection point position of the horizontal section and the inclined section of the conveying belt in a rotating mode, and the rollers are connected with the conveying belt in a rotating mode.

By adopting the technical scheme, the base is arranged on the traditional deck, supports the filter press and simultaneously installs the horizontal section of the conveying belt in the base, so that the base forms enclosure for the conveying belt, and the structural design of the conveying belt on the sludge barge is reasonable; the motor is located the nodical position of horizontal segment and slope section to realize the conversion with the help of two sets of gyro wheels with the conveyer belt from the horizontal segment to the slope section, and then make the conveyer belt rotate the in-process comparatively steady.

Preferably, a through groove is formed in one side of the silt barge in a penetrating manner, the through groove is parallel to the extending direction of the filter press, the middle section of the water inlet pipe is of a corrugated pipe structure, and the water inlet pipe is inserted into the through groove.

Through adopting above-mentioned technical scheme, lead to the groove and be located the deck, peg graft into the inlet tube and lead to the groove, to the silt of different positions department in the river course, constantly reciprocating type removal in leading to the groove with the inlet tube this moment, and bellows structure has realized the flexible of inlet tube, has realized the suction of silt of different positions department in the river course, has promoted the working face width.

Preferably, the concave two sets of components that are equipped with are listed as on the deck of silt barge the heavy groove of logical groove both sides, the scooter has been placed on the silt barge, a plurality of groups are installed to the lower terminal surface of scooter with heavy groove grafting pivoted wheel, the up end trompil setting of scooter, the inlet tube is vertical to be run through trompil on the scooter.

Through adopting above-mentioned technical scheme, two sets of heavy grooves are located the both sides that lead to the groove, and when carrying out silt suction, each group's wheel of installation slides with heavy groove grafting on the scooter this moment, and the aforesaid sets up and makes the scooter form the support to the inlet tube, makes the directionality promotion of inlet tube when reciprocating type slides.

Preferably, the up end of scooter is fixed with the electric putter of vertical extension, electric putter's cylinder body with scooter fixed connection, electric putter's push rod with the outer peripheral face fixed connection of inlet tube.

Through adopting above-mentioned technical scheme, electric putter is located the up end of scooter, when carrying out silt suction, to the riverbed of different depth of water positions, through the adjustment of electric putter length this moment, has realized the adjustment with the inlet tube grafting degree of depth this moment, and the practicality that the aforesaid set up and has promoted this equipment is convenient for to the suction operation of the different degree of depth positions of riverbed.

Preferably, a water tank is installed on the upper end face of the sludge barge, one end of the drain pipe, which is far away from the filter press, is inserted into the water tank, a suction pump is installed on a deck on one side of the water tank, a spraying device facing the lower end face of the inclined section of the conveying belt is installed on the support, and the suction pump supplies water to the spraying device.

Through adopting above-mentioned technical scheme, the water tank is located the deck, store inside the water tank from the water of pressure filter filtering, when the conveyer belt is carried the grit after the dehydration, the grit easily adheres on the conveyer belt, among the above-mentioned setting, spray set installs on the support, and carry the water of water tank inside to spray set through the suction pump, and then realized the washing to the conveyer belt lower extreme, reduced the adhesion of grit on the conveyer belt, make the conveyer belt dead weight at the operation in-process obtain guaranteeing.

Preferably, install on the scooter and drive each group wheel pivoted driver, the up end of scooter is fixed with and is used for to driver and electric putter power supply's battery.

Through adopting above-mentioned technical scheme, the driver is installed on the scooter, and the battery drives the driver, makes the scooter remove along two sets of heavy grooves, and for the operation mode that the manpower promoted, above-mentioned process has realized the automation of scooter and has traveled, has reduced constructor's intensity of labour, has promoted the efficiency of construction of desilting operation.

Preferably, the upper end face of scooter is fixed with the vertical section of thick bamboo that protects of axis setting, the inlet tube with protect a section of thick bamboo grafting and slide.

Through adopting above-mentioned technical scheme, protect a position in the up end of scooter, when carrying out silt suction, peg graft the inlet tube inside protecting a section of thick bamboo, the inlet tube keeps pegging graft with protecting a section of thick bamboo and slides, and above-mentioned in-process protects a formation guide effect to the inlet tube, and more convenient high efficiency when the inlet tube is pegged graft to leading to inslot portion has reduced the wearing and tearing between inlet tube and the logical groove this moment, has promoted the protection to the inlet tube.

The river regulation construction method comprises the following steps:

the method comprises the following steps: mooring the silt barge into the river channel, and continuously rotating the power device to continuously adjust the position of the silt barge in the river channel; at the moment, a conveying belt at the tail of the silt barge faces a river bank on one side of the river channel;

step two: the water pump and the filter press are overhauled, the water inlet pipe is inserted into the protective cylinder at the moment, the battery supplies power to the driver and the electric push rod on the wheel, the scooter moves along the sinking groove along with the continuous rotation of the wheel, and the water inlet pipe continuously slides along the through groove at the moment; starting the water pump, continuously pumping the sludge along the water inlet pipe, and further conveying the sludge from the water outlet pipe to the interior of the filter press;

step three: dehydrating the sludge, and stopping the water pump when the inside of the filter press is filled with the sludge; at the moment, the filter press is continuously in an original state, and the water body in the sludge is continuously discharged from the drain pipe to the inside of the water tank; the lower end face of the filter press is opened, the sand and stone in the sludge are dehydrated, and the sand and stone are scattered on the horizontal section of the conveying belt;

step four: the motor continuously drives the conveying belt to rotate, the conveying belt conveys the dehydrated gravel, and the gravel is continuously conveyed from the horizontal section to the inclined section of the conveying belt; sand and stone are thrown to the bank on one side of the river channel;

step five: the suction pump continuously conveys the water body in the water tank to the position of the spraying device, and the water body is continuously sprayed out of the spraying device to wash the lower end face of the inclined section of the conveying belt;

step six: in the process of dredging operation, the scooter is kept to continuously slide along the through groove, and meanwhile, the power device drives the silt barge to continuously move in the river channel; for riverbeds at different water depth positions, the electric push rod drives the water inlet pipe to slide up and down at the moment, so that the normal suction of sludge is ensured;

step seven: along with the silt barge constantly moves in the river course, the inlet tube constantly slides along the through groove, accomplishes the desilting treatment operation to the river course.

By adopting the technical scheme, in the process of cleaning the sludge in the river channel, the sludge barge is positioned in the river channel, and by means of the matching operation of the water pump and the filter press, the sludge is continuously filled into the filter press, the filter press dehydrates the sludge, and conveys the gravels to the river bank by means of the conveying belt; and the water discharged by the filter press is utilized, and the water is washed from the spraying device to the lower end surface of the conveying belt, so that the sand adhered to the conveying belt is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the through grooves and the groups of sinking grooves on the silt barge, the groups of wheels arranged on the scooter are inserted into the sinking grooves to slide, the water inlet pipe is inserted into the protective cylinder, and the electric push rod further drives the water inlet pipe, so that the reciprocating movement of the water inlet pipe along the through grooves is realized, and silt suction operation can also be realized on riverbeds at different water depth positions;

2. through carrying out the installation of water tank on the deck, the water tank carries out interim storage to the pressure filter discharged water, and when the conveyer belt carried out the grit, the suction pump carried the water of water tank inside to spray set, and spray set washed the lower terminal surface of conveyer belt, has reduced the adhesion of grit on the conveyer belt.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of the overall construction of a silt barge according to the present application;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

fig. 5 is a schematic view of the overall structure of the silt barge in another perspective of the present application.

Description of reference numerals: 1. a river channel; 11. river banks; 12. a riverbed; 2. a silt barge; 21. a base; 22. a through groove; 23. sinking a groove; 24. a water tank; 241. a suction pump; 3. a filter press; 31. a drain pipe; 4. a conveyor belt; 41. a motor; 42. a roller; 5. a water pump; 51. a water inlet pipe; 52. a water outlet pipe; 6. a support; 61. a spraying device; 7. a power plant; 8. a scooter; 81. a wheel; 82. an electric push rod; 83. a battery; 84. protecting the cylinder; 9. a driver.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a river channel 1 renovation construction method. Referring to fig. 1, the method for renovating and constructing a river channel 1 involves a sludge barge 2, the sludge barge 2 is anchored on the water surface of the river channel 1, the river banks 11 on both sides of the river channel 1 are horizontally arranged, and sludge to be subjected to dredging operation is deposited on the river bed 12 between the river banks 11 on both sides.

Referring to fig. 2 and 3, the method for renovating and constructing a river course 1 involves a suction device installed on a sludge barge 2, the suction device comprises a filter press 3 installed at the middle position of a deck of the sludge barge 2 and a conveyor belt 4 installed at the tail part of the sludge barge 2, a base 21 is installed on the upper end surface of the sludge barge 2, the extending direction of the base 21 is parallel to the extending direction of the sludge barge 2, and the base 21 is positioned on a central vertical line of the width direction of the sludge barge 2; the filter press 3 is mounted on a base 21, and the horizontal section of the conveyor belt 4 is located inside the base 21.

The water pump 5 is installed at the front end of the upper deck of the silt barge 2, the water inlet of the water pump 5 is connected with a water inlet pipe 51 with the lower end inserted into the river channel 1, one side of the silt barge 2 is penetrated and provided with a through groove 22, the through groove 22 is positioned at one side of the base 21, the through groove 22 is parallel to the extending direction of the filter press 3, the middle section of the water inlet pipe 51 is of a corrugated pipe structure, and the water inlet pipe 51 is inserted into the through groove 22 far away from one end of the water pump 5. The deck of the silt barge 2 is concavely provided with two groups of sunken grooves 23 which are arranged at both sides of the through groove 22, and the extending directions of the two groups of sunken grooves 23 are parallel to the extending direction of the through groove 22. Placed scooter 8 on silt barge 2, a plurality of groups and heavy groove 23 grafting pivoted wheel 81 are installed to scooter 8's lower terminal surface, and scooter 8's up end trompil setting, the trompil on the vertical scooter 8 that runs through of inlet tube 51. The up end of scooter 8 is fixed with vertical extension's electric putter 82, and electric putter 82's cylinder body and scooter 8 fixed connection, electric putter 82's push rod and inlet tube 51's outer peripheral face fixed connection.

The scooter 8 is provided with a driver 9 for driving each set of wheels 81 to rotate, and a battery 83 for supplying power to the driver 9 and the electric push rod 82 is fixed on the upper end surface of the scooter 8. A protective cylinder 84 with a vertical axis is fixed on the upper end surface of the scooter 8, the water inlet pipe 51 is inserted into the protective cylinder 84 to slide, and a section of preferable steel pipe material in the protective cylinder 84 is inserted into the water inlet pipe 51; the connecting position of the electric push rod 82 and the water inlet pipe 51 is vertically above the casing 84. The water outlet of the water pump 5 is connected with a water outlet pipe 52, and one end of the water outlet pipe 52 far away from the water pump 5 is connected with the filter press 3.

Referring to fig. 2 and 4, the conveyor belt 4 includes a horizontal section located below the filter press 3 and an inclined section located at the tail of the sludge barge 2; install drive conveyer belt 4 pivoted motor 41 on the crossing point position of the horizontal segment of conveyer belt 4 and slope section, the output shaft of motor 41 is pegged graft between conveyer belt 4, rotates on the crossing point position of conveyer belt 4 horizontal segment and slope section and is connected with two sets of gyro wheels 42, and each set of gyro wheel 42 rotates with conveyer belt 4 to be connected.

Referring to fig. 5, a drain pipe 31 is installed on the filter press 3, and the drain pipe 31 continuously discharges the water body after the sludge is dewatered; the tail part of the sludge barge 2 is provided with a bracket 6, the bracket 6 supports the inclined end part of the conveying belt 4 far away from the filter press 3, and the tail part of the sludge barge 2 is provided with a power device 7 for driving the sludge barge 2 to move. The upper end face of the sludge barge 2 is provided with a water tank 24, one end of a drain pipe 31 far away from the filter press 3 is inserted into the water tank 24, a suction pump 241 is arranged on a deck at one side of the water tank 24, a spray device 61 facing the lower end face of the inclined section of the conveying belt 4 is arranged on the support 6, and the suction pump 241 supplies water to the spray device 61.

The river channel 1 renovation construction method comprises the following steps:

the method comprises the following steps: mooring the sludge barge 2 into the river channel 1, and continuously rotating the power device 7 to continuously adjust the position of the sludge barge 2 in the river channel 1; the conveyer belt 4 at the tail part of the silt barge 2 faces the river bank 11 at one side of the river channel 1;

step two: the water pump 5 and the filter press 3 are overhauled, at the moment, the water inlet pipe 51 is inserted into the protective cylinder 84, the battery 83 supplies power to the driver 9 and the electric push rod 82 on the wheel 81, the scooter 8 moves along the sinking groove 23 along with the continuous rotation of the wheel 81, and at the moment, the water inlet pipe 51 continuously slides along the through groove 22; starting the water pump 5, continuously pumping the sludge along the water inlet pipe 51, and further conveying the sludge from the water outlet pipe 52 to the interior of the filter press 3;

step three: dehydrating the sludge, and stopping the water pump 5 when the inside of the filter press 3 is filled with the sludge; at the moment, the filter press 3 is continuously in an original state, and the water body in the silt is continuously discharged from the drain pipe 31 to the inside of the water tank 24; the lower end face of the filter press 3 is opened, the sand in the silt is dehydrated, and the sand is scattered on the horizontal section of the conveyer belt 4;

step four: the motor 41 continuously drives the conveyer belt 4 to rotate, the conveyer belt 4 conveys the dehydrated gravel, and the gravel is continuously conveyed from the horizontal section to the inclined section of the conveyer belt 4; the sand and stone are continuously thrown on the river bank 11 on one side of the river channel 1;

step five: the suction pump 241 continuously conveys the water body in the water tank 24 to the position of the spraying device 61, and the water body is continuously sprayed out of the spraying device 61 to wash the lower end face of the inclined section of the conveying belt 4;

step six: in the process of dredging operation, the scooter 8 is kept to continuously slide along the through groove 22, and meanwhile, the power device 7 drives the silt barge 2 to continuously move in the river channel 1; for riverbeds 12 at different water depth positions, the electric push rod 82 drives the water inlet pipe 51 to slide up and down at the moment, so that the sludge is pumped normally;

step seven: as the silt barge 2 moves in the river channel 1, the water inlet pipe 51 slides along the through groove 22, and the dredging operation of the river channel 1 is completed.

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

Claims

1. The river regulation construction method is characterized by comprising the following steps: the device comprises a sludge barge (2) and pumping equipment arranged on the sludge barge (2), wherein the pumping equipment comprises a filter press (3) arranged on the middle position of a deck of the sludge barge (2) and a conveying belt (4) arranged at the tail part of the sludge barge (2), and the conveying belt (4) comprises a horizontal section positioned below the filter press (3) and an inclined section positioned at the tail part of the sludge barge (2); a water pump (5) is installed at the front position of an upper deck of the sludge barge (2), a water inlet of the water pump (5) is connected with a water inlet pipe (51) with the lower end inserted into a river channel (1), a water outlet of the water pump (5) is connected with a water outlet pipe (52), one end, far away from the water pump (5), of the water outlet pipe (52) is connected with the filter press (3), and a drain pipe (31) is installed on the filter press (3); and a bracket (6) is erected at the tail part of the sludge barge (2), the bracket (6) supports the inclined end part of the conveying belt (4) far away from the filter press (3), and a power device (7) for driving the sludge barge (2) to move is installed at the tail part of the sludge barge (2).

2. The river regulation construction method according to claim 1, wherein: a base (21) is installed on the upper end face of the sludge barge (2), the filter press (3) is erected on the base (21), and the horizontal section of the conveying belt (4) is positioned inside the base (21); install the drive on the nodical position of the horizontal segment of conveyer belt (4) and slope section conveyer belt (4) pivoted motor (41), rotate on the nodical position of conveyer belt (4) horizontal segment and slope section and be connected with two sets of gyro wheels (42), each group gyro wheel (42) with conveyer belt (4) rotate and are connected.

3. The river regulation construction method according to claim 2, wherein: one side of the sludge barge (2) is provided with a through groove (22) in a penetrating way, the through groove (22) is parallel to the extending direction of the filter press (3), the middle section of the water inlet pipe (51) is of a corrugated pipe structure, and the water inlet pipe (51) is inserted into the through groove (22).

4. The river regulation construction method according to claim 3, wherein: sunken two sets of components of being equipped with of deck of silt barge (2) are listed as the heavy groove (23) of logical groove (22) both sides, scooter (8) have been placed on silt barge (2), a plurality of groups are installed to the lower terminal surface of scooter (8) with heavy groove (23) are pegged graft pivoted wheel (81), the up end trompil setting of scooter (8), inlet tube (51) is vertical to be run through trompil on scooter (8).

5. The river regulation construction method according to claim 4, wherein: the up end of scooter (8) is fixed with vertical extension electric putter (82), the cylinder body of electric putter (82) with scooter (8) fixed connection, the push rod of electric putter (82) with the outer peripheral face fixed connection of inlet tube (51).

6. The river regulation construction method according to claim 5, wherein: the water tank (24) is installed on the upper end face of the sludge barge (2), one end, far away from the filter press (3), of the drain pipe (31) is inserted into the water tank (24), a suction pump (241) is installed on a deck on one side of the water tank (24), a spraying device (61) facing the lower end face of the inclined section of the conveying belt (4) is installed on the support (6), and water is supplied to the spraying device (61) through the suction pump (241).

7. The river regulation construction method according to claim 6, wherein: install each group of drive on scooter (8) wheel (81) pivoted driver (9), the up end of scooter (8) is fixed with and is used for right battery (83) of driver (9) and electric putter (82) power supply.

8. The river regulation construction method according to claim 7, wherein: the upper end face of scooter (8) is fixed with the vertical section of thick bamboo (84) that protects that sets up of axis, inlet tube (51) with protect a section of thick bamboo (84) and peg graft and slide.

9. The river regulation construction method comprises the following steps:

the method comprises the following steps: mooring the sludge barge (2) into the river channel (1), and continuously rotating the power device (7) to continuously adjust the position of the sludge barge (2) in the river channel (1); at the moment, a conveying belt (4) at the tail part of the silt barge (2) faces a river bank (11) at one side of the river channel (1);

step two: the water pump (5) and the filter press (3) are overhauled, the water inlet pipe (51) is inserted into the protective cylinder (84), the battery (83) supplies power to the driver (9) and the electric push rod (82) on the wheel (81), the scooter (8) moves along the sinking groove (23) along with the continuous rotation of the wheel (81), and the water inlet pipe (51) continuously slides along the through groove (22); starting the water pump (5), continuously pumping the sludge along the water inlet pipe (51), and further conveying the sludge from the water outlet pipe (52) to the interior of the filter press (3);

step three: dehydrating the sludge, and stopping the water pump (5) when the inside of the filter press (3) is filled with the sludge; at the moment, the filter press (3) is continuously undisturbed, and the water body in the sludge is continuously discharged from the drain pipe (31) to the interior of the water tank (24); the lower end face of the filter press (3) is opened, the sand in the sludge is dehydrated, and the sand is scattered on the horizontal section of the conveying belt (4);

step four: the motor (41) continuously drives the conveyer belt (4) to rotate, the conveyer belt (4) conveys the dehydrated gravel, and the gravel is continuously conveyed from the horizontal section to the inclined section of the conveyer belt (4); sand and stone are thrown on the river bank (11) on one side of the river channel (1);

step five: the suction pump (241) continuously conveys the water body in the water tank (24) to the position of the spraying device (61), and the water body is continuously sprayed out of the spraying device (61) to wash the lower end face of the inclined section of the conveying belt (4);

step six: in the process of dredging operation, the scooter (8) is kept to continuously slide along the through groove (22), and meanwhile, the power device (7) drives the silt barge (2) to continuously move in the river channel (1); for riverbeds (12) at different water depth positions, the electric push rod (82) drives the water inlet pipe (51) to slide up and down, so that the normal suction of sludge is ensured;

step seven: along with the continuous movement of the silt barge (2) in the river channel (1), the water inlet pipe (51) continuously slides along the through groove (22), and the dredging and governing operation of the river channel (1) is completed.