CN211714076U - River channel desilting sediment regeneration system - Google Patents
River channel desilting sediment regeneration system Download PDFInfo
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- CN211714076U CN211714076U CN201922436118.XU CN201922436118U CN211714076U CN 211714076 U CN211714076 U CN 211714076U CN 201922436118 U CN201922436118 U CN 201922436118U CN 211714076 U CN211714076 U CN 211714076U
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- 239000013049 sediment Substances 0.000 title claims abstract description 55
- 238000011069 regeneration method Methods 0.000 title claims description 7
- 230000008929 regeneration Effects 0.000 title claims description 6
- 238000012545 processing Methods 0.000 claims abstract description 43
- 238000003860 storage Methods 0.000 claims abstract description 28
- 238000004064 recycling Methods 0.000 claims abstract description 23
- 238000007689 inspection Methods 0.000 claims abstract description 14
- 239000002344 surface layer Substances 0.000 claims abstract description 6
- 230000007306 turnover Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000010802 sludge Substances 0.000 claims description 23
- 229910001385 heavy metal Inorganic materials 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 12
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 239000002957 persistent organic pollutant Substances 0.000 claims description 4
- 235000013619 trace mineral Nutrition 0.000 claims description 4
- 239000011573 trace mineral Substances 0.000 claims description 4
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 238000002386 leaching Methods 0.000 claims description 3
- 230000000704 physical effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 238000009826 distribution Methods 0.000 abstract description 10
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- 238000001514 detection method Methods 0.000 abstract description 5
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Abstract
The utility model discloses a river channel dredging sediment recycling system, which comprises a dredging platform and a recycling processing platform, wherein the dredging platform comprises a draining and dredging module, an underwater dredging module and an environment-friendly dredging module, and the recycling processing platform comprises a checking and classifying module, a yard processing module and a classifying processing module; the environment-friendly dredging module comprises an environment-friendly cutter-suction type dredging unit; the inspection classification module comprises an acquisition unit and an inspection unit; the storage yard processing module comprises a storage yard turnover unit, a storage yard surface layer processing unit and a storage yard rapid re-ploughing unit; the classification processing module comprises a resource recycling processing unit and a harmless processing unit. The utility model discloses a before the desilting of river course, carry out the sampling detection and survey the sediment distribution to the river course sediment earlier, according to the nature and the distribution condition of sediment, formulate different desilting schemes to and select sediment treatment facility, can improve desilting efficiency greatly, reduce the time that the sediment was recycled and is handled.
Description
Technical Field
The utility model belongs to the technical field of the river course desilting, specifically be a river course desilting sediment regeneration system.
Background
River channel desilting generally refers to the treatment of river channels, and belongs to hydraulic engineering. The method has the advantages that the sludge deposited at the river bottom is blown and stirred into a turbid water shape by mechanical equipment and flows away along with river water, so that the dredging effect is achieved, the river channel sedimentation increasingly influences the normal play of various functions such as flood control, waterlogging drainage, irrigation, water supply, navigation and the like, and the river channel dredging engineering is carried out for recovering the normal functions of the river channel and promoting the rapid and continuous development of the economy and the society. The river course becomes deep and wide through treatment, the river water becomes clear, the production conditions and the living environment of the masses are obviously improved, and the aims of 'clear water, smooth river, green bank and beautiful landscape' are achieved.
The dredging engineering of rural river channels is mostly completed based on manual labor, and large dredging equipment and dredging ships are basically built for large-scale dredging engineering of ports, navigation channels or large rivers and cannot enter small and medium river channels for construction, so that the small and medium river dredging engineering is not constructed by very suitable dredging equipment. Another problem associated with rural river dredging is the disposal of the sludge. In the past, the rural river channels widely have 'river mud digging' winter operation, and the dug river mud is used as fertilizer after being subjected to composting, and the habit naturally solves the problem of the sludge. However, due to the development of rural enterprises, some rural river channels are polluted by industrial sewage discharge, and the change of rural life style also causes some small industrial wastes and domestic garbage to be abandoned in the river channels. For these reasons, some river sludges become "sludges" whose nature is no longer suitable for direct return to the field or for use as fertilizers after composting. On the other hand, the use of fertilizers in agricultural production is becoming more and more common, and the demand for fertilizers made by river mud in the past is gradually lost.
The mode that current rural river course was handled in the desilting, generally adopts the storage yard to handle the bed mud, but can not formulate different treatment scheme according to the difference of region and environment, to containing the heavy metal seriously exceeds standard and the bed mud that difficult decomposition organic matter is difficult to get rid of, chooses for use the storage yard to handle, can not improve river course quality of water to easily produce secondary pollution, consequently a river course desilting bed mud regeneration utilizes system.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a river channel dredging sediment recycling system, through before to the river channel desilting, carry out sampling detection and survey sediment distribution to the river channel sediment earlier, according to the nature and the distribution condition of sediment, formulate different desilting schemes, and select sediment treatment facility, can greatly improve the desilting efficiency, reduce the time of sediment recycling treatment, and through the sampling detection back result, carry out scheme formulation to sediment treatment, contain heavy metal that exceeds standard in the sediment, the difficult degradation material of polymer, adopt innocent treatment, avoid causing the pollution, to the difficult removal of sediment, adopt the branch mode of on-the-spot treatment to handle, can recycle the sediment, after removing the heavy metal and the harmful substance of sediment, be used for returning cultivated land or being used for the brickmaking, system pottery etc., can effectively reduce the construction difficulty, reduce the resource waste, the working efficiency is improved to solve the problems in the prior art in the background technology.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a river dredging sediment recycling system comprises a dredging platform and a recycling treatment platform, wherein the dredging platform comprises a draining and dredging module, an underwater dredging module and an environment-friendly dredging module, and the recycling treatment platform comprises a checking and classifying module, a yard treatment module and a classifying treatment module;
the draining and dredging module comprises a direct digging unit and a hydraulic power digging unit;
the underwater dredging module comprises a grab bucket type dredging unit, a bucket wheel type dredging unit, a pump suction type dredging unit and a common cutter suction type dredging unit;
the environment-friendly dredging module comprises an environment-friendly cutter-suction type dredging unit;
the inspection classification module comprises an acquisition unit and an inspection unit;
the storage yard processing module comprises a storage yard turnover unit, a storage yard surface layer processing unit and a storage yard rapid re-ploughing unit;
the classification processing module comprises a resource recycling processing unit and a harmless processing unit.
Preferably, the drainage and dredging module is used for a river channel with small flow without flood control, waterlogging drainage and shipping functions, the drainage and dredging module can build a temporary cofferdam at a construction section of the river channel, and dry-dredging or hydraulic flushing dredging is carried out after water in the river channel is drained.
Preferably, the underwater dredging module is used for dredging a medium-sized river channel, the dredging equipment is arranged on a ship, the dredging ship is used as a construction platform, the dredging equipment is operated on the water surface to excavate sludge, and the sludge is conveyed to a onshore storage yard through a pipeline conveying system.
Preferably, the environment-friendly dredging module is used for large, medium and small riverways, lakes and reservoirs with large engineering quantity.
Preferably, the inspection and classification module is used for detecting and classifying the chemical properties, physical properties, heavy metal content and trace elements of the sediment.
Preferably, the yard processing module is used for conveying the sediment subjected to desilting to a designated sediment yard for mud-water separation and sludge settlement and consolidation processing.
Preferably, the recycling treatment platform further comprises an in-situ treatment module, wherein the in-situ treatment module is used for directly performing covering treatment on the bottom mud under water or draining the overlying water body and then performing dehydration, solidification or physical leaching treatment.
Preferably, the classification processing module is used for performing harmless treatment on recycled bottom mud, and performing safe landfill after reducing biotoxicity of the bottom mud which contains heavy metals or high-molecular refractory organic pollutants and cannot be removed by adopting measures, and performing anti-seepage setting of a landfill site.
The utility model provides a pair of river course desilting bed mud regeneration system compares with prior art, has following advantage:
through before the desilting of river course, earlier carry out sampling detection and survey the sediment distribution to river course sediment, according to the nature and the distribution condition of sediment, formulate different desilting schemes, and select sediment treatment facility, can improve the desilting efficiency greatly, reduce the time that the sediment was recycled and is handled, and detect the back result through the sampling, carry out the scheme to the sediment processing and formulate, contain the heavy metal and exceed standard at the sediment, the difficult degradation material of polymer, adopt innocent treatment, avoid causing the pollution, be difficult to take out to the sediment, adopt and handle the branch mode on the spot and handle, can recycle to the sediment, get rid of the back with the heavy metal and the harmful substance of sediment, be used for returning arable land or being used for the brickmaking, the system pottery etc., can effectually reduce the construction degree of difficulty, reduce the wasting of resources, and improve the work efficiency.
Drawings
Fig. 1 is a flow chart of the river dredging sediment recycling system of the utility model.
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 some embodiments of the present invention, not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a river dredging sediment recycling system, which comprises a dredging platform and a recycling processing platform, wherein the dredging platform comprises a draining and dredging module, an underwater dredging module and an environment-friendly dredging module, and the recycling processing platform comprises a checking and classifying module, a yard processing module and a classifying processing module;
the draining and dredging module comprises a direct digging unit and a hydraulic power digging unit;
the direct digging-out unit adopts an excavator to dig out and then uses a concrete conveying pump to convey the flowing plastic sludge, so that the direct digging-out unit is thorough in dredging, the quality is easy to guarantee, and the requirements on equipment and technology are not high; the water content of the produced sludge is low, and the subsequent treatment is easy.
The hydraulic flushing unit adopts a high-pressure water gun of the hydraulic flushing unit to flush bottom mud, the bottom mud is disturbed into slurry, the flowing slurry is collected to a low-lying area which is arranged in advance, the slurry is sucked by a mud pump and conveyed by a pipeline to be conveyed to a storage yard on the shore or a slurry collecting pool, and the hydraulic flushing unit has the characteristics of simple machine tool, convenient conveying, low construction cost and the like.
The underwater dredging module comprises a grab bucket type dredging unit, a bucket wheel type dredging unit, a pump suction type dredging unit and a common cutter suction type dredging unit; according to the width and depth of the river channel and the distribution of bottom mud.
The environment-friendly dredging module comprises an environment-friendly cutter-suction type dredging unit; the environment-friendly cutter-suction type dredging unit is suitable for large, medium and small river channels, lakes and reservoirs with large engineering quantity, and is mainly used for environment-friendly dredging engineering of the river channels, the lakes and the reservoirs. The environment-friendly cutter suction type dredging is realized by utilizing an environment-friendly cutter suction type dredging boat. The environment-friendly cutter suction type dredging ship is provided with a special environment-friendly cutter head, closed low-disturbance dredging is carried out by using the environment-friendly cutter head in the dredging process, and the excavated sludge is sucked by a high-power dredge pump on the dredging ship, enters a sludge conveying pipeline and is conveyed to a specified sludge unloading area through a fully-closed pipeline.
The inspection classification module comprises an acquisition unit and an inspection unit;
the acquisition unit is used for acquiring the bottom mud of the river channel and recording the distribution condition of the bottom mud of the river channel.
The inspection unit is used for detecting the heavy metal content, organic matters and trace elements of the bottom mud of the river channel, and formulating a treatment scheme according to the components of the bottom mud of the river channel.
The storage yard processing module comprises a storage yard turnover unit, a storage yard surface layer processing unit and a storage yard rapid re-ploughing unit;
the storage yard turnover unit is used for reducing the number of storage yards and occupied area.
The storage yard surface layer processing unit is used for providing an operation platform for subsequent construction.
The yard rapid re-tillage unit is used for processing the processed bottom mud into cultivated land for use.
The classification processing module comprises a resource recycling processing unit and a harmless processing unit.
According to the inspection result, the bottom sludge containing heavy metals which seriously exceed the standard and the bottom sludge containing macromolecular organic pollutants which are difficult to degrade are used by a harmless treatment unit, the measures are adopted to reduce the biological toxicity of the sludge, then the sludge is safely buried, and the anti-seepage measures of a landfill site are made.
The resource recycling treatment unit can be used for recycling the bottom mud after passivating the bottom mud.
Specifically, the drainage and dredging module is used for a river channel with small flow without flood control, waterlogging drainage and shipping functions, the drainage and dredging can be realized by constructing a temporary cofferdam at a construction section of the river channel, and the drainage and dredging of the river channel is carried out after water is drained, and then dry-dredging or hydraulic flushing dredging is carried out.
Specifically, the underwater dredging module is used for dredging a medium-sized river channel, the dredging equipment is arranged on a ship, the dredging ship is used as a construction platform to operate the dredging equipment on the water surface to excavate sludge, and the sludge is conveyed to a shore yard through a pipeline conveying system.
Specifically, the environment-friendly dredging module is used for large, medium and small riverways, lakes and reservoirs with large engineering quantity.
Specifically, the inspection and classification module is used for detecting and classifying the chemical properties, the physical properties, the heavy metal content and the trace elements of the sediment.
Specifically, the yard processing module is used for conveying the sediment subjected to desilting to a specified sediment yard for mud-water separation and sludge settlement and solidification processing.
Specifically, the recycling treatment platform further comprises an in-situ treatment module, and the in-situ treatment module is used for directly performing covering treatment on the bottom sludge under water or draining the overlying water body and then performing dehydration, solidification or physical leaching treatment.
Specifically, the classification processing module is used for carrying out harmless treatment on recycled bottom mud, carrying out safe landfill after reducing biotoxicity of the bottom mud which contains heavy metals or macromolecular refractory organic pollutants and cannot be removed by adopting measures, and well setting the seepage prevention of a landfill site.
The utility model also provides a river course desilting bed mud regeneration method, including following step:
s1: before dredging the river channel, sampling and inspecting bottom mud in the river channel water area by using a sampling device, and formulating a dredging scheme according to an inspection result;
s2: after the scheme is formulated, the sediment in the water area is treated by using a draining and dredging module, an underwater dredging module or an environment-friendly dredging module according to the sediment content in the water area of the river channel, and an on-site treatment module or a storage yard treatment module is selected according to the properties of the sediment;
s3: and conveying the fished bottom mud to a storage yard, and quickly promoting settlement and quickly consolidating the bottom mud by using a storage yard turnover unit, a storage yard surface layer treatment unit and a storage yard quick re-tillage unit to solidify, dry and soil the bottom mud.
In summary, the following steps: the utility model discloses a before dredging the river course, earlier carry out the sampling detection and survey the sediment distribution to the river course sediment, according to the nature and the distribution condition of sediment, formulate different desilting schemes, and select sediment treatment facility, can improve desilting efficiency greatly, reduce the time that the sediment was recycled and is handled, and detect the back result through the sampling, it formulates the scheme to handle the sediment, it exceeds standard to contain the heavy metal at the sediment, the polymer refractory material, adopt innocent treatment, avoid causing the pollution, be difficult to take out to the sediment, adopt the branch mode of handling on the spot to handle, can recycle the sediment, get rid of the back with the heavy metal and the harmful substance of sediment, be used for returning the arable land or being used for the brickmaking, can effectual reduction construction degree of difficulty, reduce the wasting of resources, and improve work efficiency.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a river course desilting bed mud regeneration system, includes desilting platform and recycling treatment platform, its characterized in that: the dredging platform comprises a draining and dredging module, an underwater dredging module and an environment-friendly dredging module, and the recycling processing platform comprises a checking and classifying module, a yard processing module and a classifying processing module;
the draining and dredging module comprises a direct digging unit and a hydraulic power digging unit;
the underwater dredging module comprises a grab bucket type dredging unit, a bucket wheel type dredging unit, a pump suction type dredging unit and a common cutter suction type dredging unit;
the environment-friendly dredging module comprises an environment-friendly cutter-suction type dredging unit;
the inspection classification module comprises an acquisition unit and an inspection unit;
the storage yard processing module comprises a storage yard turnover unit, a storage yard surface layer processing unit and a storage yard rapid re-ploughing unit;
the classification processing module comprises a resource recycling processing unit and a harmless processing unit.
2. The system of claim 1, wherein the system comprises: the drainage and dredging module is used for a river channel with small flow and without flood control, waterlogging drainage and shipping functions, a temporary cofferdam can be constructed at a construction section of the river channel through drainage and dredging, and dry-digging dredging or hydraulic flushing dredging is carried out after water in the river channel is drained.
3. The system of claim 1, wherein the system comprises: the underwater dredging module is used for dredging the medium-sized river channel, the dredging equipment is arranged on the ship, the dredging ship is used as a construction platform to operate the dredging equipment on the water surface to excavate the sludge, and the sludge is conveyed to a shore yard through a pipeline conveying system.
4. The system of claim 1, wherein the system comprises: the environment-friendly dredging module is used for large, medium and small river channels, lakes and reservoirs with large engineering quantity.
5. The system of claim 1, wherein the system comprises: the inspection and classification module is used for detecting and classifying the chemical properties, the physical properties, the heavy metal content and the trace elements of the sediment.
6. The system of claim 1, wherein the system comprises: and the yard processing module is used for conveying the sediment subjected to desilting to a specified sediment yard for mud-water separation and sludge settlement and solidification processing.
7. The system of claim 1, wherein the system comprises: the recycling treatment platform also comprises an on-site treatment module, and the on-site treatment module is used for directly performing covering treatment on the bottom sludge under water or draining the covering water body and then performing dehydration, solidification or physical leaching treatment.
8. The system of claim 1, wherein the system comprises: the classification processing module is used for carrying out innocent treatment on the recycled bottom mud, carrying out safe landfill after reducing the biotoxicity of the bottom mud which contains heavy metals or high-molecular refractory organic pollutants and cannot be removed by adopting measures, and well setting the seepage prevention of a landfill site.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922436118.XU CN211714076U (en) | 2019-12-30 | 2019-12-30 | River channel desilting sediment regeneration system |
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| CN201922436118.XU CN211714076U (en) | 2019-12-30 | 2019-12-30 | River channel desilting sediment regeneration system |
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| CN211714076U true CN211714076U (en) | 2020-10-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965606A (en) * | 2019-12-30 | 2020-04-07 | 江苏东恒环境控股有限公司 | River channel dredging sediment recycling system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965606A (en) * | 2019-12-30 | 2020-04-07 | 江苏东恒环境控股有限公司 | River channel dredging sediment recycling system and method |
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