CN114737632A - Dredging and antifouling system for river and construction method thereof - Google Patents
Dredging and antifouling system for river and construction method thereof Download PDFInfo
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- CN114737632A CN114737632A CN202210434384.2A CN202210434384A CN114737632A CN 114737632 A CN114737632 A CN 114737632A CN 202210434384 A CN202210434384 A CN 202210434384A CN 114737632 A CN114737632 A CN 114737632A
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- dredging
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- ship
- sludge
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- 230000003373 anti-fouling effect Effects 0.000 title claims abstract description 40
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 239000010802 sludge Substances 0.000 claims abstract description 57
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 27
- 231100000719 pollutant Toxicity 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- 239000012629 purifying agent Substances 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 10
- 238000011010 flushing procedure Methods 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 239000013049 sediment Substances 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000004746 geotextile Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 22
- 238000009792 diffusion process Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 230000032258 transport Effects 0.000 description 28
- 239000004576 sand Substances 0.000 description 6
- 238000007599 discharging Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Public Health (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
Abstract
The invention relates to a dredging and antifouling system for river and a construction method thereof, wherein the dredging and antifouling system comprises the following steps: the dredging device comprises a dredging ship, a lifting device and a control device, wherein an excavator is arranged at one end of the dredging ship, and an interception net is arranged at the other end of the dredging ship to prevent pollutants in sludge from being diffused; the device comprises a mud ship, a mud storage tank and a control system, wherein the mud ship is provided with a mud storage tank which is sunken downwards, and a plurality of mud buckets for placing mud are arranged in the mud storage tank; the plurality of enclosure walls are arranged on the river bank and close to the mud ship, and the enclosure walls enclose to form a closed enclosure space; and the crane is positioned in the enclosure space and is arranged close to the ship so as to hoist the mud bucket to the transport vehicle for dumping. The invention effectively solves the problem that pollution diffusion is easy to occur in the river dredging process, prevents pollution diffusion through the management and control of the whole dredging process, also avoids the problem of sludge leakage in the transportation and loading processes, realizes safe and civilized construction, ensures the dredging effect and avoids the condition of secondary pollution.
Description
Technical Field
The invention relates to the field of water environment treatment, in particular to a dredging and antifouling system for river surge and a construction method thereof.
Background
River dredging is a common engineering means for improving water quality and eliminating black and odorous, but the risk of secondary pollution often exists in the dredging process, namely, the disturbance to sludge can cause pollution diffusion when a water excavator is used for directly excavating sludge, in addition, the excavated sludge also has the problems of leakage and the like in the water transportation and transferring and loading processes, the links are lack of control in the actual construction process, the problems of poor dredging effect, poor field safety and civilized construction image and the like are often caused, and a perfect all-round whole-process antifouling diffusion system is not provided.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a dredging antifouling system for river surge and a construction method thereof, solves the problem that pollution diffusion is easy to occur in the river surge dredging process, prevents pollution diffusion through the control of the whole dredging process, also avoids the problem of sludge leakage in the transportation and loading processes, realizes safe and civilized construction, ensures the dredging effect and avoids the condition of secondary pollution.
The technical scheme for realizing the purpose is as follows:
the invention provides a dredging antifouling system for river gush, which comprises:
the dredging boat is used for driving in a river channel, an excavator is arranged at one end of the dredging boat, and an interception net is arranged at the other end of the dredging boat so as to prevent pollutants in the sludge from diffusing;
the device comprises a mud ship, a mud collecting device and a control device, wherein the mud ship is used for moving between a dredging ship and a river bank, a mud storage pool which is sunken downwards is formed on the mud ship, and a plurality of mud buckets for placing mud are arranged in the mud storage pool;
the system comprises a plurality of enclosure walls arranged on a river bank and close to a mud ship, wherein the enclosure walls enclose to form a closed enclosure space, and one side of the enclosure space, which is far away from a river channel, is provided with an entrance for a transport vehicle to enter and exit; and
and the crane is positioned in the enclosure space and is close to the ship so as to lift the mud bucket to the transport vehicle for dumping.
The invention provides a dredging antifouling system for river surge, which is characterized in that a dredging boat is used for excavating sludge at the bottom of a river, an intercepting net can prevent pollutants in the sludge from diffusing in the excavating process, the sludge excavated by the dredging boat is placed in a hopper of the dredging boat, the dredging boat drives to the shore, the hopper is transported to a transport vehicle by a crane to dump, the transport vehicle and the crane are surrounded by a surrounding wall, so that the pollutants can be prevented from diffusing outwards, the sludge is transported outwards by the transport vehicle, the problem that the pollutants are easy to diffuse in the river dredging process is solved, the pollution diffusion is prevented by controlling the whole dredging process, the problem that the sludge leaks in the transporting and loading processes is also avoided, the safe and civilized construction is realized, the dredging effect is ensured, and the secondary pollution is avoided.
The dredging and antifouling system for the river surge further comprises a water storage tank which is formed on the river bank and is positioned on one side of the enclosure far away from the entrance, a connecting pipe which is used for communicating the water storage tank with the enclosure, and a filtering sand bag which is arranged at the position of the enclosure close to the connecting pipe, wherein sewage in the enclosure flows into the water storage tank through the connecting pipe after being filtered by the filtering sand bag.
The dredging and antifouling system for the river disclosed by the invention is further improved in that the system also comprises a water pump arranged in the reservoir and a flushing pipe, wherein one end of the flushing pipe is connected with the water pump, and the other end of the flushing pipe extends towards the enclosure space.
The dredging antifouling system for the river surge further comprises a concrete layer formed on the river bank close to the ship and a waterproof cloth paved on the top surface of the concrete layer in a pouring mode, and a plurality of enclosure walls are arranged on the top of the waterproof cloth and along the periphery of the waterproof cloth.
The dredging antifouling system for the river is further improved in that the top surface elevation of the part of the concrete layer far away from the reservoir is higher than that of the part close to the reservoir so as to form an inclined surface inclined towards the reservoir.
The dredging and antifouling system for the river is further improved in that the interception net comprises a traction rope, a plurality of floating drums, a fixed rope and a sunk hook, wherein one end of the traction rope is fixedly connected with the dredging ship, one end of the floating drum is fixed at the other end of the traction rope, the fixed rope is made of an adsorption material, one end of the fixed rope is fixed on the floating drum, the sunk hook is fixed at the other end of the fixed rope, and the fixed rope is fixed in the river bottom sludge through the sunk hook so that the fixed ropes can adsorb pollutants diffused outwards in the sludge.
The invention further provides a dredging and antifouling system for river gushing, which further comprises a chemical box which is arranged on a dredging ship and is used for placing a bottom sediment purifying agent, a transmission pipe with one end connected with the chemical box and a nozzle formed at the other end of the transmission pipe, wherein the bottom sediment purifying agent in the chemical box flows to the nozzle through the transmission pipe and is sprayed out from the nozzle so as to purify the pollutants in the river channel.
The dredging and antifouling system for river gushing is further improved in that the system further comprises a flow valve arranged on the transmission pipe, a connecting rope with one end fixedly connected with the dredging ship and a pollution concentration monitor fixed at the other end of the connecting rope and positioned on one side of the fixing rope far away from the dredging ship, the concentration of pollutants in the water body is monitored by the pollution concentration monitor, and then the flow valve is adjusted according to the monitored concentration so as to increase or reduce the addition amount of the bottom mud purifying agent.
The dredging and antifouling system for the river disclosed by the invention is further improved in that a plurality of through holes are formed in the side wall of the mud bucket, the geotechnical cloth is laid on the inner wall of the mud bucket, and accumulated water in the sludge flows into the mud storage pool from the through holes after being filtered by the geotechnical cloth.
The invention also provides a construction method of the dredging and antifouling system for river surge, which comprises the following steps:
providing a dredging and antifouling system, excavating the silt at the river bottom by using an excavator, and preventing pollutants in the silt from diffusing outwards through an interception net;
driving a mud ship to a position close to the dredging ship, placing the excavated sludge in a sludge bucket, and further driving the mud ship to a position close to the retaining wall on the river bank;
and (4) transferring the mud bucket to the top of the transport vehicle by using the crane, dumping the mud to the transport vehicle, and transporting the mud outwards by the transport vehicle through the access.
Drawings
Fig. 1 is a front view of a dredging ship part in the dredging antifouling system for river gush.
Fig. 2 is a top view of the dredging ship part in the dredging antifouling system for river gush.
Fig. 3 is a front view of a portion of a vessel of a dredging antifouling system for river gush according to the present invention.
Fig. 4 is a top view of the enclosure portion of the dredging antifouling system for river gush of the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the invention provides a dredging antifouling system for river gush and a construction method thereof, wherein silt at the bottom of a river is excavated by a dredging ship, a retaining net can prevent the diffusion of pollutants in the silt in the excavation process, the silt excavated by the dredging ship is placed in a mud bucket of the mud ship, the mud ship drives to the shore, the mud bucket is transported to a transport vehicle by a crane to dump, the transport vehicle and the crane are surrounded by a surrounding wall, so that the outward diffusion of pollutants can be prevented, the silt is transported outward by the transport vehicle, the problem that the pollution diffusion is easy to occur in the river gush dredging process is solved, the pollution diffusion is prevented by controlling the whole dredging process, the problem that the silt leaks in the transportation and loading processes is also avoided, the safe and civilized construction is realized, the dredging effect is ensured, and the secondary pollution is avoided. The invention is described below with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a front view of a dredging ship part in the dredging and anti-fouling system for river gush. The dredging and anti-fouling system for river gush of the present invention will be described with reference to fig. 1.
As shown in figures 1-4, the dredging and antifouling system for river gushing of the invention comprises:
a dredging vessel 11 for running on a river, wherein one end of the dredging vessel 11 is provided with an excavator 111, and the other end of the dredging vessel 11 is provided with a retaining net to prevent pollutants in the sludge from diffusing;
a mud ship 12 for going to and from the dredging ship 11 and the river bank, the mud ship 12 being formed with a mud storage tank 121 depressed downward, the mud storage tank 121 being provided therein with a plurality of mud hoppers 122 for placing mud;
the multiple enclosure walls 13 are arranged on the river bank and close to the ship 12, the multiple enclosure walls 13 enclose to form a closed enclosure space 131, and one side of the enclosure space 131, which is far away from the river channel, is provided with an access 132 for the entering and exiting of a transport vehicle; and
a crane 15 located within the enclosure 131 and positioned adjacent to the vessel 12 to hoist the mud bucket 122 to the transport vehicle for dumping.
As a preferred embodiment of the present invention, the present invention further includes a water reservoir 14 formed on the bank and located on one side of the enclosure 131 far from the doorway 132, a connecting pipe 141 for connecting the water reservoir 14 and the enclosure 131, and a filtering sandbag 133 disposed at a position of the enclosure 131 near the connecting pipe 141, wherein the sewage in the enclosure 131 is filtered by the filtering sandbag 133 and then flows into the water reservoir 14 through the connecting pipe 141.
Specifically, the water pump 142 arranged in the reservoir 14 and the flushing pipe 143 with one end connected with the water pump 142 and the other end extending to the enclosure 131 are further included, and water in the reservoir 14 is pumped by the water pump 142 and then flows into the enclosure 131 through the flushing pipe 143 to flush the transport vehicle.
Specifically, the method further comprises a concrete layer formed on the river bank close to the ship 12 and a waterproof cloth paved on the top surface of the concrete layer in a pouring mode, and the plurality of enclosure walls 13 are arranged on the top of the waterproof cloth and arranged along the periphery of the waterproof cloth.
Preferably, the elevation of the top surface of the portion of the concrete layer remote from reservoir 14 is higher than the elevation of the top surface of the portion near reservoir 14 to present a slope towards reservoir 14.
Further, the interception net comprises a hauling rope 112 with one end fixedly connected with the dredging vessel 11, a plurality of buoys 113 fixed at the other end of the hauling rope 112, a fixed rope 114 with one end fixed to the buoys 113 and made of an adsorbing material, and a sinking hook 1141 fixed at the other end of the fixed rope 114, and the sinking hook 1141 is fixed in the river bottom sludge so that the fixed ropes 114 adsorb pollutants diffused outwards in the sludge.
Specifically, the system further comprises a chemical tank 115 which is installed on the dredging vessel 11 and is used for placing a sediment purifying agent, a transfer pipe 1151 with one end connected to the chemical tank 115, and a nozzle 1152 formed at the other end of the transfer pipe 1151, wherein the sediment purifying agent in the chemical tank 115 flows to the nozzle 1152 through the transfer pipe 1151 and is sprayed out from the nozzle 1152 to purify the pollutants in the river channel.
Specifically, the system further comprises a flow valve arranged in the transmission pipe 1151, a connecting rope 116 with one end fixedly connected with the dredging ship 11, and a pollution concentration monitor 1161 fixed at the other end of the connecting rope 116 and located on one side of the fixing rope 114 far away from the dredging ship 11, the concentration of pollutants in the water body is monitored by the pollution concentration monitor 1161, and then the flow valve is adjusted according to the monitored concentration so as to increase or reduce the adding amount of the bottom sediment purifying agent.
Furthermore, a plurality of through holes are formed in the side wall of the mud bucket 122, geotextile is laid on the inner wall of the mud bucket 122, and accumulated water in the sludge flows into the mud storage tank 121 from the through holes after being filtered by the geotextile so as to reduce water in the sludge.
The specific implementation method of the invention is as follows:
driving the dredging ship 11 into the river channel, sinking the bottom sinking hook 1141 into the river bottom to fix the plurality of fixing ropes 114, so that the plurality of fixing ropes 114 surround the place of the dredging ship 11 where the sludge is to be excavated;
excavating sludge by using an excavator 111, monitoring the concentration of the pollutant SS by using a pollution concentration monitor 1161, adjusting a flow valve according to the monitored concentration to control the amount of a bottom sludge purifying agent, spraying the bottom sludge purifying agent into a river channel through a nozzle 1152 to reduce pollutants, and adsorbing the pollutants diffused outwards from the sludge by using a fixed rope 114 to further prevent the pollution from diffusing;
the method comprises the following steps of (1) driving a dredger 12 to be close to a dredging ship 11, placing excavated sludge into a mud bucket 122 of the dredger 12, filtering accumulated water in the sludge through geotextile under the action of self weight of the sludge, enabling the filtered accumulated water to flow into a sludge storage tank 121 from through holes, and discharging the accumulated water outwards through a water pump to reduce the content of water in the sludge;
the ship 12 is driven to the shore, the hopper 122 is lifted by the crane 15 and is lifted to the transport vehicle, and then the sludge in the hopper 122 is poured into the transport vehicle;
at the moment, the transport vehicle is positioned in the enclosure 131, water in the reservoir 14 is pumped by the water pump 142 and is introduced into the enclosure 131 by the flushing pipe 143 so as to flush the transport vehicle, and then the transport vehicle conveys silt outwards through the access opening 132;
the sewage for washing the transport vehicle flows to the sand filtering bag 133, is filtered by the sand filtering bag 133 and then passes through the reservoir 14 through the connecting pipe 141, so that the sewage can be recycled.
The invention also provides a construction method of the dredging and antifouling system for the river, which comprises the following steps:
providing a dredging and antifouling system, excavating the sludge at the river bottom by using an excavator 111, and preventing pollutants in the sludge from diffusing outwards through an interception net;
driving the vessel 12 to a position close to the dredging vessel 11 and placing the excavated sludge in the hopper 122, and further driving the vessel 12 to a position on the river bank close to the retaining wall 13;
the hopper 122 is transferred to the top of the transport vehicle by the crane 15 and the sludge is dumped onto the transport vehicle, which in turn transports the sludge outwardly through the doorway 132.
The concrete operation mode of the construction method provided by the invention is as follows:
driving the dredging ship 11 into the river channel, sinking the bottom sinking hook 1141 into the river bottom to fix the plurality of fixing ropes 114, so that the plurality of fixing ropes 114 surround the place of the dredging ship 11 where the sludge is to be excavated;
excavating sludge by using an excavator 111, monitoring the concentration of the pollutant SS by using a pollution concentration monitor 1161, adjusting a flow valve according to the monitored concentration to control the amount of a bottom sludge purifying agent, spraying the bottom sludge purifying agent into a river channel through a nozzle 1152 to reduce pollutants, and adsorbing the pollutants diffused outwards from the sludge by using a fixed rope 114 to further prevent the pollution from diffusing;
the method comprises the following steps of (1) driving a dredger 12 to be close to a dredging ship 11, placing excavated sludge into a mud bucket 122 of the dredger 12, filtering accumulated water in the sludge through geotextile under the action of self weight of the sludge, enabling the filtered accumulated water to flow into a sludge storage tank 121 from through holes, and discharging the accumulated water outwards through a water pump to reduce the content of water in the sludge;
the ship 12 is driven to the shore, the hopper 122 is lifted by the crane 15 and is lifted to the transport vehicle, and then the sludge in the hopper 122 is poured into the transport vehicle;
at the moment, the transport vehicle is positioned in the enclosure 131, water in the reservoir 14 is pumped by the water pump 142 and is introduced into the enclosure 131 by the flushing pipe 143 so as to flush the transport vehicle, and then the transport vehicle conveys silt outwards through the access opening 132;
the sewage for washing the transportation vehicle flows to the sand filter 133, and is filtered by the sand filter 133 and then passes through the reservoir 14 through the connection pipe 141, so that the sewage can be recycled.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments should not be construed as limitations of the invention, except insofar as the following claims are interpreted to cover the invention.
Claims (10)
1. A desilting antifouling system for river gushes, comprising:
the dredging device comprises a dredging ship for running on a river channel, wherein an excavator is arranged at one end of the dredging ship, and an interception net is arranged at the other end of the dredging ship so as to prevent pollutants in sludge from diffusing;
the device comprises a dredging ship, a mud storage tank and a plurality of mud buckets, wherein the dredging ship is used for moving between the dredging ship and a river bank, the mud storage tank is formed with a downward sunken mud storage tank, and the mud buckets are used for placing mud;
the system comprises a plurality of enclosure walls, a plurality of transport vehicles and a plurality of river channels, wherein the enclosure walls are arranged on a river bank and close to a ship, the enclosure walls enclose to form a closed enclosure space, and one side of the enclosure space, far away from a river channel, is provided with an entrance and an exit for the transport vehicles to enter and exit; and
and the crane is positioned in the enclosure space and close to the ship so as to hoist the mud bucket to the transport vehicle for dumping.
2. The dredging antifouling system for river gush as claimed in claim 1, further comprising a water reservoir formed on the bank and located at one side of the enclosure far from the entrance, a connecting pipe connecting the water reservoir and the enclosure, and a filtering sandbag disposed at a position of the enclosure near the connecting pipe, wherein the sewage in the enclosure is filtered by the filtering sandbag and then flows into the water reservoir through the connecting pipe.
3. The dredging antifouling system for river surge according to claim 2, further comprising a water pump disposed in the reservoir and a flushing pipe having one end connected to the water pump and the other end extending toward the enclosure, wherein the water in the reservoir is pumped by the water pump and then passes through the flushing pipe to the enclosure to flush the transportation vehicle.
4. The dredging antifouling system for river surge according to claim 2, further comprising a concrete layer formed on the river bank near the ballast vessel and a waterproof cloth laid on the top surface of the concrete layer, wherein a plurality of the enclosure walls are arranged on the top of the waterproof cloth and along the periphery of the waterproof cloth.
5. The dredging antifouling system for river currents as claimed in claim 4, wherein the top surface level of the portion of the concrete layer far from the reservoir is higher than that of the portion near the reservoir to have a slope inclined toward the reservoir.
6. The dredging antifouling system for river surge according to claim 1, wherein the interception net comprises a hauling rope with one end fixedly connected with the dredging ship, a plurality of buoys fixed at the other end of the hauling rope, a fixed rope with one end fixed on the buoys and made of adsorbing materials, and a sinking hook fixed at the other end of the fixed rope, wherein the sinking hook is fixed in the river bottom sludge so that the fixed ropes adsorb the pollutants diffused outwards in the sludge.
7. The dredging antifouling system for river currents as claimed in claim 6, further comprising a chemical tank installed on the dredging vessel and used for placing a sediment purifying agent, a delivery pipe with one end connected to the chemical tank, and a nozzle formed at the other end of the delivery pipe, wherein the sediment purifying agent in the chemical tank flows to the nozzle through the delivery pipe and is sprayed out from the nozzle to purify the pollutants in the river.
8. The dredging antifouling system for river gush as claimed in claim 7, further comprising a flow valve disposed on the transmission pipe, a connecting rope having one end fixedly connected with the dredging vessel, and a pollution concentration monitor fixed to the other end of the connecting rope and located on a side of the fixing rope away from the dredging vessel, wherein the concentration of pollutants in the water body is monitored by the pollution concentration monitor, and the flow valve is adjusted according to the monitored concentration to increase or decrease the addition amount of the sediment purifying agent.
9. The dredging antifouling system for river according to claim 1, wherein the side wall of the hopper is provided with a plurality of through holes, the inner wall of the hopper is paved with geotextile, and accumulated water in the sludge flows into the sludge storage tank from the through holes after being filtered by the geotextile.
10. A construction method of the dredging anti-fouling system for river surge according to claim 1, characterized by comprising the following steps:
providing the dredging and antifouling system, excavating the sludge at the river bottom by using the excavator, and preventing pollutants in the sludge from diffusing outwards through an interception net;
driving the dredger to a position close to the dredging ship, placing the excavated sludge in the mud bucket, and further driving the dredger to a position on a river bank close to the retaining wall;
and hoisting the mud bucket to the top of the transport vehicle by using a crane, dumping the mud to the transport vehicle, and transporting the mud outwards by the transport vehicle through the access.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210434384.2A CN114737632A (en) | 2022-04-24 | 2022-04-24 | Dredging and antifouling system for river and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210434384.2A CN114737632A (en) | 2022-04-24 | 2022-04-24 | Dredging and antifouling system for river and construction method thereof |
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| CN114737632A true CN114737632A (en) | 2022-07-12 |
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| CN202210434384.2A Pending CN114737632A (en) | 2022-04-24 | 2022-04-24 | Dredging and antifouling system for river and construction method thereof |
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