CN109898463A - A kind of new-type dredging processing integral process - Google Patents
A kind of new-type dredging processing integral process Download PDFInfo
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- CN109898463A CN109898463A CN201711281266.8A CN201711281266A CN109898463A CN 109898463 A CN109898463 A CN 109898463A CN 201711281266 A CN201711281266 A CN 201711281266A CN 109898463 A CN109898463 A CN 109898463A
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- mud
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- liquid separation
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000012545 processing Methods 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000010802 sludge Substances 0.000 claims abstract description 33
- 239000007787 solid Substances 0.000 claims abstract description 15
- 239000002245 particle Substances 0.000 claims abstract description 11
- 239000010865 sewage Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 28
- 238000005086 pumping Methods 0.000 claims description 28
- 238000012216 screening Methods 0.000 claims description 26
- 238000000926 separation method Methods 0.000 claims description 26
- 238000007599 discharging Methods 0.000 claims description 11
- 238000007667 floating Methods 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000003643 water by type Substances 0.000 abstract 1
- 238000011161 development Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000008239 natural water Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of new-type dredgings to handle integral process, comprising the following steps: step a. is rubbed and aspirated to riverbed sludge or sundries；The above-mentioned steps a bed mud aspirated is sieved and is concentrated by step b.；Sewage solid after above-mentioned steps b is concentrated step c. isolates mud cake and clear water；The above-mentioned steps c clear water isolated is discharged into water body and is recycled by step d.；The solid particle that above-mentioned steps c is isolated is utilized by being cured as mud cake.The present invention changes the Accrete clearing device of current extensive style；Cofferdam is not set, occupies lesser blowdown dredging place；Not polluted-water；Transportational process is not generated to secondary pollution caused by air, ground, road etc.；Corresponding modularized equipment can be used according to river width, activity duration window.Highly Effective, energy conservation and environmental protection can be widely used in the dredging engineering of the Different Waters such as river and lake, water channel, reservoir, navigation channel and bay.
Description
Technical Field
The invention relates to the field of water conservancy and environment-friendly dredging, in particular to a novel integrated dredging treatment process.
Background
With the continuous development and technological progress of China and the improvement of the overall income of residents in China, the residents are unprecedentedly vigorous in the aspects of housing, family vehicles, traffic and tourism, life consumption and the like, so that excessive or unreasonable consumption of environmental resources is caused, and the harm of harmful substances to water bodies, particularly surface water, is aggravated.
The gradual increase of energy consumption in developed countries and the development demand of emerging countries, especially the rapid development of our country's economy, greatly increase the energy consumption, lead to the continuous temperature rise of global climate, the continuous change of climate abnormity and rainfall, and also lead to the clogging of natural water.
Since the 70 s of the last century are reformed and opened, China has made a huge development in the economic field, but has many defects in the aspects of the whole planning and use of natural water bodies and the renovation and improvement of hydraulic engineering.
Due to the high and low landscape in the west and east of China, river beds and lake bottoms are raised in the south China plain with dense water networks and the north China plain with deficient water sources due to slow water flow speed, particularly continuous deposition of sludge in winter and spring.
In recent years, the problem of water body siltation is increasingly serious, silt in various water bodies such as riverways, lakes, canals, reservoirs, channels, harbors and the like is silted and mixed with sundries such as branches, bricks, plastic bags and the like, so that the water bodies flow slowly or not, the garbage is mixed in the water bodies to generate odor, the smoothness of the water channels is influenced, the living quality of nearby residents is influenced, and the water body desilting and treating work is increasingly emphasized.
The biggest water body white lake in North China exists in the new male safety area, and according to the research data, the white lake has the clogging phenomenon of a plurality of water channels, so that the problem of water clogging treatment is inevitably faced in the new area construction.
The existing sediment desilting and treating device adopts the following mode:
(1) setting a natural settling mode of a cofferdam: the field area is large, sewage overflows to pollute a mother water body, aquatic organisms are damaged, the method is extensive, and secondary pollution is caused;
(2) the air pollution is generated by adopting vehicle transportation, landfill or combustion and the like, and the air pollution is generated by land occupation of landfill.
Both of these approaches can present significant contamination problems.
In view of the above-mentioned drawbacks, the present inventors have finally obtained the present creation through a long period of research and practice.
Disclosure of Invention
The invention aims to provide a novel dredging treatment integrated process for overcoming the technical defects.
In order to achieve the aim, the invention provides a novel integrated process for dredging treatment, which comprises the following steps:
step a, mincing and sucking bottom mud or impurities of rivers and lakes;
b, screening and concentrating the bottom mud pumped in the step a;
c, separating solid and liquid of the sewage concentrated in the step b into mud cakes and clear water;
d, discharging the clear water separated in the step c into a water body for recycling; and c, solidifying the solid particles separated in the step c into mud cakes for utilization.
Further, the pumping of the river and lake bottom mud is performed by a jet pump.
Further, the bottom mud is sieved by a vibrating screen.
Further, the concentration of the bottom mud is performed by a chemical flocculant.
Further, the solid-liquid separation is realized by using a cyclone desander to separate mud cakes from clear water.
Further, the process carrier comprises:
the device comprises a bottom mud suction device, a bottom mud screening and concentrating device, a solid-liquid separation device, a clear water reflux device and a mud cake curing device;
wherein the integrated device takes a floating pontoon as a carrier;
the bottom mud suction device is connected with the hull of the floating pontoon through a pin shaft;
the bottom mud screening and concentrating device is connected with the bottom mud pumping device and is arranged inside the hull of the floating pontoon;
the front part of the solid-liquid separation device is connected with the bottom mud screening and concentrating device and is arranged inside the bottom mud screening and concentrating device;
the upper end of the tail part of the solid-liquid separation device is connected with the clean water reflux device and is used for refluxing the clean water separated by the solid-liquid separation device;
the lower end mud groove at the tail part of the solid-liquid separation device is connected with the mud cake curing device;
the integrated device is controlled by module superposition equipment, and controllable operation of a pollution discharge and dredging function is realized.
Further, the bottom sediment suction device comprises a reamer, a motor, a mud pumping pipe, a mud pumping pump and a mud discharging pipe; wherein,
the reamer is arranged at the lower end of the bottom mud suction device;
the motor is connected with the reamer to form a reaming and sucking device which is used for providing power for the reamer;
one end of the sludge pumping pipe is connected with the hinged suction device, and the other end of the sludge pumping pipe is connected with the sludge discharge pipe through the sludge pump;
the mud pump is a power supply device for the mud pumping pipe and the mud discharging pipe.
Furthermore, a vibrating screen and a chemical flocculant are arranged in the bottom sludge screening and concentrating device.
Further, the solid-liquid separation device comprises a mud suction pump, a mud suction pipe and a cyclone sand remover; wherein,
one end of the sludge suction pump is connected with the sludge suction pipe, and the other end of the sludge suction pump is arranged in the bottom sludge screening and concentrating device;
the cyclone desander is connected with the sludge suction pipe to receive and treat the bottom sludge.
Further, the mud cake curing device comprises a mud cake curing device and a conveying device; the conveying device is used for conveying the mud cakes between the solid-liquid separation device and the mud cake curing device and transporting the compacted and cured solid particles to the shore.
Compared with the prior art, the invention has the advantages that the prior extensive dredging device is changed; a cofferdam is not arranged, and a smaller pollution discharge dredging field is occupied; the water body is not polluted; the secondary pollution to the air, the ground, the road and the like in the transportation process is not generated; corresponding modular equipment can be adopted according to the width of a river channel and an operation time window. The method has the advantages of high efficiency, intensive, energy saving and environmental protection, and can be widely used in dredging projects of various water bodies such as rivers, lakes, canals, reservoirs, navigation channels, harbors and the like.
Drawings
FIG. 1 is a diagram of a carrier for carrying out the apparatus of the present invention.
Detailed Description
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the novel integrated dredging process of the embodiment includes the following steps:
step a, mincing and sucking bottom mud or impurities of rivers and lakes;
b, screening and concentrating the bottom mud pumped in the step a;
c, separating solid and liquid of the sewage concentrated in the step b into mud cakes and clear water;
d, discharging the clear water separated in the step c into a water body for recycling; and c, solidifying the solid particles separated in the step c into mud cakes for utilization.
Wherein, the pumping of the river and lake bottom mud is performed by a jet pump. The screening of the bottom mud is carried out by a vibrating screen. The concentration of the bottom mud is performed by a chemical flocculant. The solid-liquid separation is realized by using a cyclone desander to separate mud cakes from clear water.
Based on the process of the above embodiment, the pontoon 6 is used as the implementation carrier of the device of the invention, and is provided with the bottom mud suction device 1, the bottom mud screening and concentrating device 2, the solid-liquid separation device 3, the clear water reflux device 4 and the mud cake curing device 5; the bottom mud suction device is connected with the hull of the floating pontoon through a pin shaft; the bottom mud screening and concentrating device 2 is connected with the bottom mud pumping device 1 and is arranged inside the hull of the floating pontoon 6; the front part of the solid-liquid separation device 3 is connected with the bottom mud screening and concentrating device 2 and is arranged inside the bottom mud screening and concentrating device 2; the upper end of the tail part of the solid-liquid separation device 3 is connected with the clean water reflux device 4 and is used for refluxing the clean water separated by the solid-liquid separation device 3; the lower end mud groove at the tail part of the solid-liquid separation device 3 is connected with the mud cake curing device 5; the integrated device is controlled by adopting a power module, a signal sensing module, a signal sending module, a conveying module and other superposed module equipment, and controllable operation of a pollution discharge and dredging function is realized.
The bottom sediment suction device comprises a reamer 1a, a motor 1b, a mud pumping pipe 1c, a mud discharging pipe 1e and a mud pumping pump 1d which are arranged at the lower end of the bottom sediment suction device, wherein the motor provides power for the reamer, the reamer and the mud pumping pipe are connected to form the hinge suction device, and the mud pumping pump provides power for the mud pumping pipe and the mud discharging pipe; one end of the mud pumping pipe is connected with the hinged suction device, and the other end of the mud pumping pipe is connected with the mud discharging pipe through the mud pumping pump; the solid-liquid separation device comprises a sludge suction pump 3a, a sludge suction pipe 3b and a cyclone sand remover 3c which are arranged in the bottom sludge screening and concentrating device; one end of the mud suction pump is arranged in the screening and concentrating device of the bottom mud; the other end is communicated with the cyclone desander through a sludge suction pipe to receive and process the bottom sludge; the mud cake curing device comprises a mud cake curing device and a conveying device 5a, and the mud cake conveying and the solid particle compacting and curing transportation can be realized to land.
Firstly, after a reamer 1a and a motor 1b in a bottom mud pumping device 1 are placed on a mud surface, the reaming and pumping device is started, the reamer starts to work and can freely rotate around a pin shaft, after sludge, stones, branches and the like in a water body are ground, a mud pumping pump 1d is opened, the bottom mud starts to be pumped and discharged through a mud pumping pipe 1c and a mud discharging pipe 1e, and broken slag sundries of the sludge, the stones, the branches and the like can be discharged into a bottom mud screening and concentrating device 2.
In the process, the floating vessel is used as a carrier, the dredging work is carried out in a river, the defect that sundries are directly transported to the shore for reprocessing in the traditional extensive dredging device is overcome, on one hand, a special dredging site is not required to be arranged, a cofferdam is not required to be arranged, and the occupied area is small; on the other hand, the secondary pollution of air, water, environment, roads and the like caused in the transportation process is avoided. And silt, stone, branch etc. can directly be transported to mud screening and enrichment facility after rubbing through the reamer, solved bulky debris and carried the problem difficult, difficult processing.
Meanwhile, a vibrating screen in the bottom mud screening and concentrating device 2 begins to screen out the impurities layer by layer according to the particle size, and the sewage after screening out is concentrated by a chemical flocculant; the concentrated sewage enters a solid-liquid separation device 3 through a mud suction pipe 3b, the sewage is subjected to rotational flow treatment in a rotational flow desander 3c, separated clear water is discharged into a water body through a clear water backflow device 4 for recycling, and separated solid particles enter a mud cake curing device 5; the mud cake solidifying device 5 is used for compacting and solidifying the solid particles and then transporting the solid particles to the shore through a conveying device 5 a.
In the process, impurities are screened and concentrated, so that effective classification of garbage can be realized, and preliminary pollution discharge pretreatment is performed on polluted water; after clear water and solid are highly separated by the cyclone desander 3c in the solid-liquid separation device 3, treated water flows back to the water body through the clear water backflow device 4, so that water resources are effectively saved; the mud cake curing device 5 can further reduce the volume of sundries, facilitate subsequent treatment and save space and resources. In addition, the whole working process of the dredging device is provided with the superposition modules, the superposition modules interact with each other, the working strength and time of the device are adjusted through the signal induction module according to the difference of the width of a river channel and the size of an operation time window, the signal sending module sends out a working instruction, the integrated device starts to enter a working state, and in the process, corresponding changes can be made in time to achieve high efficiency, integration, energy conservation and environmental protection.
The invention changes the prior extensive dredging device; a cofferdam is not arranged, and a smaller pollution discharge dredging field is occupied; the water body is not polluted; the secondary pollution to the air, the ground, the road and the like in the transportation process is not generated; corresponding modular equipment can be adopted according to the width of the river channel and the size of an operation time window. The method has the advantages of high efficiency, intensive, energy saving and environmental protection, and can be widely used in dredging projects of various water bodies such as rivers, lakes, canals, reservoirs, navigation channels, harbors and the like.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. A novel integrated process for dredging treatment is characterized by comprising the following steps:
step a, mincing and sucking bottom mud or impurities of rivers and lakes;
b, screening and concentrating the bottom mud pumped in the step a;
c, separating solid and liquid of the sewage concentrated in the step b into mud cakes and clear water;
d, discharging the clear water separated in the step c into a water body for recycling; and c, solidifying the solid particles separated in the step c into mud cakes for utilization.
2. The integrated new dredging process as claimed in claim 1, wherein the pumping of the river and lake bottom mud is performed by a jet pump.
3. The integrated novel dredging process as claimed in claim 1, wherein the bottom sludge is sieved by a vibrating sieve.
4. The integrated new integrated desilting process as claimed in claim 1, characterized in that the concentration of the bottom sludge is performed by chemical flocculant.
5. The integrated new desilting and treating process as set forth in claim 1, characterized in that the solid-liquid separation is the separation of mud cake and clear water by using a cyclone sand remover.
6. The novel integrated desilting process as claimed in claim 1, characterized in that said process carrier comprises:
the device comprises a bottom mud suction device, a bottom mud screening and concentrating device, a solid-liquid separation device, a clear water reflux device and a mud cake curing device;
wherein the integrated device takes a floating pontoon as a carrier;
the bottom mud suction device is connected with the hull of the floating pontoon through a pin shaft;
the bottom mud screening and concentrating device is connected with the bottom mud pumping device and is arranged inside the hull of the floating pontoon;
the front part of the solid-liquid separation device is connected with the bottom mud screening and concentrating device and is arranged inside the bottom mud screening and concentrating device;
the upper end of the tail part of the solid-liquid separation device is connected with the clean water reflux device and is used for refluxing the clean water separated by the solid-liquid separation device;
the lower end mud groove at the tail part of the solid-liquid separation device is connected with the mud cake curing device;
the integrated device is controlled by module superposition equipment, and controllable operation of a pollution discharge and dredging function is realized.
7. The novel integrated dredging treatment process as claimed in claim 6, wherein the sediment suction device comprises a reamer, a motor, a mud pumping pipe, a mud pumping pump and a mud discharging pipe; wherein,
the reamer is arranged at the lower end of the bottom mud suction device;
the motor is connected with the reamer to form a reaming and sucking device which is used for providing power for the reamer;
one end of the sludge pumping pipe is connected with the hinged suction device, and the other end of the sludge pumping pipe is connected with the sludge discharge pipe through the sludge pump;
the mud pump is a power supply device for the mud pumping pipe and the mud discharging pipe.
8. The integrated novel dredging process as claimed in claim 6, wherein the bottom sludge screening and concentrating device is internally provided with a vibrating screen and a chemical flocculant.
9. The novel integrated desilting and treating process as claimed in claim 6, wherein the solid-liquid separation device comprises a dredge pump, a dredge pipe and a cyclone sand remover; wherein,
one end of the sludge suction pump is connected with the sludge suction pipe, and the other end of the sludge suction pump is arranged in the bottom sludge screening and concentrating device;
the cyclone desander is connected with the sludge suction pipe to receive and treat the bottom sludge.
10. The novel integrated dredging treatment process as claimed in claim 6, wherein the mud cake solidifying device comprises a mud cake solidifying device and a conveying device; the conveying device is used for conveying the mud cakes between the solid-liquid separation device and the mud cake curing device and transporting the compacted and cured solid particles to the shore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711281266.8A CN109898463A (en) | 2017-12-07 | 2017-12-07 | A kind of new-type dredging processing integral process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711281266.8A CN109898463A (en) | 2017-12-07 | 2017-12-07 | A kind of new-type dredging processing integral process |
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| CN109898463A true CN109898463A (en) | 2019-06-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622173A (en) * | 2020-05-27 | 2020-09-04 | 山东省淮海工程建设监理有限公司 | Underwater cutter suction type dredging method for urban ecological river |
-
2017
- 2017-12-07 CN CN201711281266.8A patent/CN109898463A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622173A (en) * | 2020-05-27 | 2020-09-04 | 山东省淮海工程建设监理有限公司 | Underwater cutter suction type dredging method for urban ecological river |
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Application publication date: 20190618 |
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| WD01 | Invention patent application deemed withdrawn after publication |