CN105887957A - Device and method for removing coastal river deposited sediment - Google Patents
Device and method for removing coastal river deposited sediment Download PDFInfo
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- CN105887957A CN105887957A CN201510028824.4A CN201510028824A CN105887957A CN 105887957 A CN105887957 A CN 105887957A CN 201510028824 A CN201510028824 A CN 201510028824A CN 105887957 A CN105887957 A CN 105887957A
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Abstract
The invention relates to a device and method or removing coastal river deposited sediment 1. The device comprises a dredging device 2 running on a river, a power device 3 and a control device 4. The dredging device 2 runs on a river bed of the river and stirs the deposited sediment 1 on the river bed. The sediment 1 rolls and is mixed into water flow of the ebb tide, the water power of the ebb tide drives the sediment to go away along with the tide and flows into the sea, and the deposited sediment 1 on the river bed of the river is removed. The method for removing the coastal river deposited sediment through the dredging device 2 and the water power of the ebb tide is named as the method for removing the coastal river deposited sediment 1 through a dredging method. The device and method for removing the coastal river deposited sediment 1 have the beneficial effects that during the ebb tide of the coastal river, the sediment dredging device 2 is used for conducting mechanical actions on the river bed, the sediment 1 deposited and sedimentated on the river bed rolls and is mixed into the water flow of the ebb tide of the river, and the sediment 1 retreats into the sea under the effect of the water power of the ebb tide; and the device and the method are low in cost and good in effect, and the river bed can be even and smooth.
Description
Technical field
The present invention relates to remove the technology of the silt sediment in coastal rivers riverbed, particularly relate to coastal rivers and utilize hydrodynamic force to go
Device and method except rivers river bed deposit silt.
Background technology
Basin, river, river in Zhejiang Province is one of big water system in Zhejiang Province eight, and drainage area 4518km2, by river in Zhejiang Province Jiang Ganliu and Yao Jiang, Feng Huajiang
Article two, one-level tributary (hereinafter referred to as " three rivers roads "), and Yao Jiang, Fenghua plain river network composition, basin perimeter relates to
District of 9 counties and cities.
Ningbo City's Three Rivers regions meets heavy rain in recent years just waterlogging.
Ningbo City waterlogging wherein has the major reason to be: has built disorderly on Yao Jiang, Feng Huajiang, river, river in Zhejiang Province and has much blocked water
Beaten tens of building: Ru great Zha, bridge pier, pier stud, illegal building, newly-built new Jiang Qiao, overhaul spirit bridge the most near water
Pier stud and engineering ship are just as barrage despot's interception river course；The sedimentation of decades, makes Yao Jiang, Feng Huajiang, river in Zhejiang Province rivers bed
Increase more than 20 rice, flood discharge capacity rapid drawdown.Day dredges on river in Yao Jiang, Feng Huajiang, river in Zhejiang Province frequently with tens dredgers,
The silt excavated on riverbed is transported by sludge boat.Dredger sludge boat bustling about, year excavation amount nearly ten million yuan,
Still can't resist the sedimentation that tide brings.6 years from now on three river six Yao Jiang, Feng Huajiang, river in Zhejiang Province rivers bed also every year with
One copper plate thickness increases.According to " impact that flood disaster risk bank is assessed by channel sediment deposition " works: quantitative analysis
Sediment Siltation is on flood frequency and the impact of flood disaster risk. and result shows, it is considered to Sediment Siltation can produce shadow to stagefrequency
Ringing, under identical water level, Sediment Siltation can shorten the return period of flood, and water level is the lowest, and frequency changes the most greatly. for same frequency
The flood of rate, the alluvial of silt makes water level lifting, and frequency is the least, and SEA LEVEL VARIATION is the least. it addition, Sediment Siltation makes big flood wind
Danger increases, and has increased the weight of the loss of big flood.
Must try every possible means to remove the sedimentation layer in three rivers roads！
Coastal rivers mostly exist:
One, it is river course back-siltation.Coastal rivers mouth surrounding waters sea water sediment charge is relatively big, and tidewater is by a large amount of silt bands
Entering rivers river course, duration of rise is short, and flow velocity is fast, and silt content is big, at the sediment deposition at ordinary times that rises, is pasted onto on riverbed, and
Duration of fall length, flow velocity are slow, be difficult to overcome the viscous force of precipitation silt, and ebb tide is taken back marine silt and is less than flood tide band
Enter the quantity of sand and mud of rivers.The particularly dry season, it is less that coastal upper reaches carrys out the water yield, and hydrodynamic force is more weak, sedimentation
More, alluvial problem can not solve.
Two, it is that mud steals row and problem toppled over by urban architecture dregs.
Three, it is the image problem of desilting engineering.
Four, it is desilting permanent mechanism Construction Problems.
Five, developing land transportation on coastal rivers, road builds a bridge, and aquatic building is set up in coastal rivers city on rivers,
Such as big lock, bridge pier, pier stud, illegal building near water, pile is set.Above-mentioned bridge pier, pier stud and pile be all take root in
In the riverbed of coastal rivers, pile is the submerged body in river waterflow, there is submerged body resistance, makes river course water resistance at pile
Increasing, hydrodynamic force is weakened, tide silt and upstream sluicing silt, precipitates and is deposited in the riverbed of coastal downstream river,
More being deposited at pile, amass the moon riverbed day and build, increase every year, flood carrying capacity is weakened, and Sediment Siltation makes flood disaster risk increase
Add, increased the weight of the loss of big flood.
The silt sediment in the riverbed removing coastal rivers is generally to exist and scabrous problem.
Summary of the invention
The technical problem to be solved is to provide a kind of to remove coastal rivers riverbed for the present situation of prior art
Precipitation, the device and method of silt sediment.
The present invention solves the technical scheme that above-mentioned technical problem used: a kind of device removing coastal rivers silt sediment
And method, it is characterised in that: it is included on rivers the delivery apparatus run, power set and control device, wherein, power
Device provides power, controls device and controls traffic direction and the path of delivery apparatus, and delivery apparatus runs on rivers riverbed,
Stirring the silt sediment on rivers riverbed, silt rolling is got up, and silt is mixed in the current of ebb tide, the hydrodynamic force of ebb tide,
Go with ebb tide with silt, flow into the sea, eliminate the silt sediment on rivers riverbed, use delivery apparatus and ebb tide
Hydrodynamic force remove coastal rivers silt sediment method be referred to as Dredging Method remove coastal rivers silt sediment method.
The above-mentioned delivery apparatus run on rivers is a mechanical delivery apparatus that can operate on rivers riverbed, dredges dress
Putting and make mechanical action, stir the silt sediment on rivers riverbed, silt rolling is got up, and is mixed in the current of rivers ebb tide,
Under the hydrodynamism of ebb tide, silt is retracted into sea.
The above-mentioned delivery apparatus run on rivers is one to be had in the sedimentary clay sand bed that can touch or insert rivers riverbed
Toothed wheel apparatus or impeller unit or rake or plough.
The above-mentioned delivery apparatus run on rivers is one and can equalize the delivery apparatus travelled in an orderly manner on rivers, makes fortune
Row delivery apparatus equilibrium on rivers riverbed stirs the silt sediment in rivers riverbed in an orderly manner, and described equilibrium is gone in an orderly manner
Sail and be: rivers rise flat after, ebb tide starts, and the bank of delivery apparatus effluent road two bank starts to come or reversion is walked, and covers one
Stroke, moves to center, river course and moves a step, then a stroke of walking, then shifting moves a step to center, river course ..., step by step to river course
Center travels.Delivery apparatus in ebb tide overall process constantly on rivers riverbed run, described " move move a step " step
Away from the width being delivery apparatus.
Above-mentioned traveling delivery apparatus on rivers is the ship with delivery apparatus or pulls ship.
Above-mentioned traveling delivery apparatus on rivers is the car with delivery apparatus.
The above-mentioned delivery apparatus run on rivers is an air-driven delivery apparatus.
The above-mentioned delivery apparatus run on rivers is a hydraulic pressure or the delivery apparatus of hydraulic power.
The above-mentioned delivery apparatus run on rivers is an electrically-driven delivery apparatus.
The above-mentioned delivery apparatus run on rivers is the delivery apparatus of a hydraulic.
Compared with prior art, it is an advantage of the current invention that: the rivers in coastal waters, dredge frequently with dredger day, remove tide
The sediment deposition brought and deposition, this method cost is the highest, still the difficult constantly raising stopping rivers riverbed silt, and
Riverbed is often dug into rugged.When coastal rivers ebb tide, apply silt delivery apparatus, coastal rivers riverbed is carried out
Mechanical action, makes precipitation and the silt rolling being deposited on riverbed, is mixed in the current of the ebb tide of rivers, is falling
Under tidewater dynamic action, silt is retracted into sea, and this device and method low cost is effective, and riverbed is uniform, gently.
This technology equally utilizes rivers drop hydrodynamic force to remove the device and method of rivers river bed deposit silt.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention 1, is the dress of the removal rivers river bed deposit silt that an example is run on coastal rivers riverbed
Put；
Fig. 2 is the embodiment of the present invention 2, be another example run on coastal rivers riverbed remove rivers river bed deposit silt
Device；
Fig. 3 is the embodiment of the present invention 3, be another example run on coastal rivers riverbed remove rivers river bed deposit silt
Device；
Fig. 4 is the embodiment of the present invention 4, is the removal rivers river bed deposit silt that further example is run on coastal rivers riverbed
Device.
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment one:
As it is shown in figure 1, the device removing rivers river bed deposit silt 1 is included on rivers the delivery apparatus 2 run, power
Device 3 and control device 4, the power set of the present embodiment are hydrodynamic apparatus or mechanical driver unit, and delivery apparatus 2 is
Wheeled vehicle, controls device 4 and can be manual or motor-driven or surge or pneumatic or automatically control.
Embodiment two:
As in figure 2 it is shown, the device removing rivers river bed deposit silt 1 is included on rivers the delivery apparatus 2 run, power
Device 3 and control device 4, the power set of the present embodiment are hydraulic power unit or Pneumatic propelling plant, delivery apparatus 2
Being wheeled vehicle, controlling device 4 is to surge or pneumatic or automatically control.
Embodiment three:
As it is shown on figure 3, the device removing rivers river bed deposit silt 1 is included on rivers the delivery apparatus 2 run, power
Device 3 and control device 4, the power set of the present embodiment are mechanical driver unit or hydraulic power unit or Pneumatic pressure power dress
Putting, delivery apparatus 2 is wheeled vehicle, controls device 4 and can be manual or motor-driven or surge or pneumatic or automatically control.
Embodiment four:
As shown in Figure 4, the device removing rivers river bed deposit silt 1 is included on rivers the delivery apparatus 2 run, power
Device 3 and control device 4, the power set of the present embodiment are power ships 3, and power ship 3 is pulled delivery apparatus 2, dredged dress
Putting 2 is wheeled vehicle or plow harrow device, and controlling device 4 is hanger.
Claims (10)
1. the device and method removing coastal rivers silt sediment (1), it is characterised in that: include
The delivery apparatus (2) run on rivers, power set (3) and control device (4), wherein, power fills
Put (3) and power is provided, control device (4) and control traffic direction and the path of delivery apparatus (4), dredge
Device (2) is when rivers ebb tide, and the silt sediment (1) in river riverbed is upper to be run, and stirs rivers river
Silt sediment (1) on bed, silt (1) rolls, and silt (1) is mixed in the current of ebb tide, ebb tide
Hydrodynamic force go with ebb tide with silt (1), flow into the sea, eliminate the sedimentary clay on rivers riverbed
Husky (1), uses the hydrodynamic force of delivery apparatus (2) and ebb tide to remove the side of coastal rivers silt sediment (1)
Method is referred to as Dredging Method and removes the silt sediment method of coastal rivers.
The delivery apparatus (2) run on rivers the most according to claim 1 is one and can run
Mechanical delivery apparatus (2) on rivers riverbed.
The delivery apparatus (2) run on rivers the most according to claim 1 is one and has energy
Touch or insert the toothed wheel apparatus (2) in silt sediment (1) layer in rivers riverbed or impeller unit (2)
Or harrow (2) or plough (2).
The delivery apparatus (2) run on rivers the most according to claim 1 is one and can equalize
Operate in the delivery apparatus (2) on rivers riverbed in an orderly manner, make to operate in the delivery apparatus on rivers riverbed
(2) equilibrium stirs the silt sediment (1) in rivers riverbed in an orderly manner.
The most according to claim 1 on rivers run delivery apparatus (2) be one with dredge
Lead the ship of device or pull ship (2).
The most according to claim 1 on rivers run delivery apparatus (2) be one with dredge
Lead the car (2) of device.
The delivery apparatus (2) run on rivers the most according to claim 1 is an air pressure transmission
Dynamic delivery apparatus (2).
The most according to claim 1 on rivers run delivery apparatus (2) be a hydraulic pressure or
The delivery apparatus (2) of hydraulic power.
The delivery apparatus (2) run on rivers the most according to claim 1 is that an electric power passes
Dynamic delivery apparatus (2).
The delivery apparatus (2) run on rivers the most according to claim 1 is a water engineer
The delivery apparatus (2) of tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028824.4A CN105887957A (en) | 2015-01-13 | 2015-01-13 | Device and method for removing coastal river deposited sediment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028824.4A CN105887957A (en) | 2015-01-13 | 2015-01-13 | Device and method for removing coastal river deposited sediment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105887957A true CN105887957A (en) | 2016-08-24 |
Family
ID=56999061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510028824.4A Pending CN105887957A (en) | 2015-01-13 | 2015-01-13 | Device and method for removing coastal river deposited sediment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105887957A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1045618A (en) * | 1989-03-14 | 1990-09-26 | 蒋国华 | The method that brings the Yellow River under control |
| CN2167128Y (en) * | 1993-01-22 | 1994-06-01 | 唐振强 | Hydraulic dredger following flowing water during work |
| CN2425136Y (en) * | 2000-04-29 | 2001-03-28 | 徐基银 | River bed sediment cleaning apparatus |
| CN201835307U (en) * | 2010-04-30 | 2011-05-18 | 梁标 | Equipment for stirring and blowing sand in river channel |
-
2015
- 2015-01-13 CN CN201510028824.4A patent/CN105887957A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1045618A (en) * | 1989-03-14 | 1990-09-26 | 蒋国华 | The method that brings the Yellow River under control |
| CN2167128Y (en) * | 1993-01-22 | 1994-06-01 | 唐振强 | Hydraulic dredger following flowing water during work |
| CN2425136Y (en) * | 2000-04-29 | 2001-03-28 | 徐基银 | River bed sediment cleaning apparatus |
| CN201835307U (en) * | 2010-04-30 | 2011-05-18 | 梁标 | Equipment for stirring and blowing sand in river channel |
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Application publication date: 20160824 |
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