CN114319224B - Method for treating yellow river sediment accumulation - Google Patents
Method for treating yellow river sediment accumulation Download PDFInfo
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- CN114319224B CN114319224B CN202210029852.8A CN202210029852A CN114319224B CN 114319224 B CN114319224 B CN 114319224B CN 202210029852 A CN202210029852 A CN 202210029852A CN 114319224 B CN114319224 B CN 114319224B
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- 239000013049 sediment Substances 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000009825 accumulation Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000004576 sand Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 21
- 238000003860 storage Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 229920006238 degradable plastic Polymers 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 208000033999 Device damage Diseases 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012271 agricultural production Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 3
- 238000011010 flushing procedure Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The method for treating yellow river sediment accumulation can effectively solve the problems of difficult treatment and limited effect of the existing yellow river sediment; the method comprises the following steps: separating sediment, loading the sediment into an expansion body and throwing the sediment into a yellow river, and damaging the expansion body at a proper position to enable the sediment to sink; the invention can cut the river bed down, fix the river bed into an underground river, restore the design function of the three-channel hydraulic junction engineering, liberate the reservoir silt reservoir capacity of the low wave bottom and the like, solve the problem of yellow river security, realize the high standard navigation of the middle and lower reaches of the yellow river, save about 200 hundred million cubic meters of external water diversion of the scheduled sand flushing into the sea, be used for industrial and agricultural production, western large development and the like, optimize the ecological environment of the middle and lower reaches of the yellow river, and strengthen the integral tie function of the river basin area. The investment is huge, but the benefit is huge.
Description
Technical Field
The invention relates to the field of yellow river treatment, in particular to a method for treating yellow river sediment accumulation.
Background
The complexity of yellow river is in silt, and the key of yellow treatment is to scientifically know and treat silt. The coarse-grain sediment deposited in the downstream riverbed in the yellow river is about 4 hundred million tons each year, the current ecological flow of the yellow river can be utilized, the storage capacity can be regulated, and the sediment can be discharged into the sea to the maximum extent, so that the method is an optimal operation mode. If the sediment is flushed into the sea by the water flow only, the effect is limited in practical terms.
The yellow river sediment treatment can be finished by adopting an industrialized means.
In view of the fact that yellow river is continuously cut off all the year round, and the yellow river sediment is small, loose and homogeneous, so that the yellow river sediment is easy to fuse with water and separate from water, and can be separated from river water and conveyed into sea, and industrialization is possible for realizing the method.
Disclosure of Invention
The invention provides a method for treating yellow river sediment accumulation, which can effectively solve the problems of difficult treatment and limited effect of the existing yellow river sediment.
The technical scheme for solving the problems is that the method for treating yellow river sediment accumulation comprises the following construction steps:
step one: arranging a plurality of sediment yards in a region where coarse-grain sediment is easy to deposit, preferably in a tail region of a reservoir and at two sides of a suitable river section at the downstream of a yellow river, extracting sediment in the river to the yards by adopting cutter suction dredger equipment, naturally accumulating the sediment in the yards, and naturally reversing river water into the river to realize water-sediment separation;
step two: the separated sediment is respectively filled into an expansion body (such as a balloon) by adopting a plurality of assembly line type split charging facilities, and air is filled into the expansion body to expand the expansion body and then the expansion body is sealed, so that the filled sediment amount is controlled according to the expandable size of the expansion body, and the expansion body is ensured to be capable of being suspended in water or on the water surface after being put into water;
step three: the expansion body bearing a proper amount of sediment is put into water, and the expansion body flows down into the sea along with water flow;
step four: after the expansion body bearing the sediment floats to the sea surface, the expansion body leaks air, and the expansion body carries the sediment to sink into the sea bottom.
In the first step, the river water and the sediment can be separated simply by pumping the sediment to the river platform by adopting a sand pump and draining the sediment properly, or the sediment and the river water can be transported to a bank storage yard together by the sand pump, and the sediment is separated naturally after the river water is lost.
In the second step, the expansion body is made of plastic, rubber and other expandable materials, and degradable materials (such as degradable plastics) are added into the made materials, so that the made expansion body is locally scattered on the degradable materials with a small amount of spots, and the expansion body can be naturally degraded under natural conditions within a limited time after being inflated and expanded.
Preferably, the degradable material should be dispersed in the expansion body wall, and the whole structural firmness and stability of the expansion body before sinking are not affected.
Preferably, the satellite positioning device and the damage device are arranged in the expansion body, and the satellite positioning device selectively controls the damage device to damage the expansion body according to the drifting path of the expansion body so that the expansion body sinks into the sea bottom.
Preferably, the satellite positioning device triggers and starts the damage device at the set position, and the damage device adopts modes of needling or resistance melting loss and the like to damage the expansion body wall so as to enable the exhaust of the expansion body to sink.
Preferably, after the expansion body floats to the sea surface, a plurality of low-power laser emitting devices are arranged on the proper sea area of the drifting path, and the expansion body is spontaneously broken through laser to be deflated and sunk.
In the fourth step, the expansion body is sunk after being damaged and discharged in a specific area, so that the purpose of sea filling and land making in a set sea area is achieved.
The invention can cut the river bed down, fix the river bed into an underground river, restore the design function of the three-channel hydraulic junction engineering, liberate the reservoir silt reservoir capacity of the low wave bottom and the like, solve the problem of yellow river security, realize the high standard navigation of the middle and lower reaches of the yellow river, save about 200 hundred million cubic meters of external water diversion of the scheduled sand flushing into the sea, be used for industrial and agricultural production, western large development and the like, optimize the ecological environment of the middle and lower reaches of the yellow river, and strengthen the integral tie function of the river basin area. The investment is huge, but the benefit is huge.
Detailed Description
The following describes the present invention in further detail.
The construction steps of the method for treating yellow river sediment accumulation comprise:
step one: separating sediment, taking out the sediment in the river water to the water side for standby by adopting a suction mode, arranging a plurality of sediment yards at proper positions of a region where coarse-grain sediment is easy to deposit, such as a reservoir tail region and two banks of a suitable river section at the downstream of a yellow river, adopting cutter suction type dredging equipment to pump the sediment in the river to the yards, naturally accumulating the sediment in the yards, and naturally reversing the river water into the river to realize water-sediment separation;
step two: the separated sediment is respectively filled into an expansion body (such as a balloon) by adopting a plurality of assembly line type split charging facilities, and air is filled into the expansion body to expand the expansion body and then the expansion body is sealed, so that the filled sediment amount is controlled according to the expandable size of the expansion body, and the expansion body is ensured to be capable of being suspended in water or on the water surface after being put into water;
step three: the expansion body bearing a proper amount of sediment is put into water, and the expansion body flows down into the sea along with water flow;
step four: after the expansion body bearing the sediment floats to the sea surface, the expansion body leaks air, and the expansion body carries the sediment to sink into the sea bottom.
In the first step of the invention, the river water and the sediment can be separated by adopting a sand pump to be pumped to a river platform and then put into an expansion body for throwing after proper draining, or the sediment and the river water can be conveyed to a bank storage yard together by the sand pump, and the sediment can be naturally separated after the river water is lost.
In the second step of the invention, the expansion body is made of plastic, rubber and other expandable materials, and the expandable materials can be degradable materials, or a certain manufacturing process can be adopted, and part of degradable materials (such as degradable plastics) are added into the manufacturing materials, so that the manufactured expansion body is locally scattered on the degradable materials with a small amount of spots, and after the expansion body is inflated and expanded, the expansion body can be naturally degraded in a certain time under natural conditions, thereby damaging and exhausting the expansion body to realize sinking.
In the invention, the degradation and damage time of the degradable material on the expansion body is absolutely controlled after the expansion body floats into the sea, so that the phenomenon that sediment is sunk into a river channel to cause the congestion of the river bed at the position after the expansion body is damaged before the sea is not reached is avoided; the degradable material should be scattered on the expansion body, and the whole structural firmness and stability of the expansion body before sinking the sea should not be affected.
In the invention, if the cost is bearable, a satellite positioning device and an expansion body wall breakage device can be arranged on the expansion body, the expansion body filled with sand and air is pushed into river water and floats in the river water, and the effect of flowing down can be achieved; when the expansion body floats to the set position, the satellite positioning device triggers the damage device according to the obtained position feedback, and the wall of the expansion body is punctured by means of needling or resistance melting loss, so that the expansion body leaks air and begins to sink, and the carried sediment is sunk into the seabed.
In the invention, in view of about 4 hundred million tons of sediment deposited in the middle and lower reaches of yellow river each year, the damaged expansion body in a specific area can be selected to release air according to the requirement, and the purpose of sea reclamation in a set sea area can be achieved.
The device has the following advantages compared with the traditional equipment:
the invention can cut the river bed down, fix the river bed into an underground river, restore the design function of the hydraulic junction engineering of the three-channel dam, liberate the reservoir silt reservoir capacity of the small wave bottom and the like, solve the problem of the yellow river, realize the high standard navigation of the middle and lower reaches of the yellow river, save the water which is scheduled to flush sand into the sea and is out of 200 hundred million cubic meters, transfer the water to industrial and agricultural production, western large development and the like, optimize the ecological environment of the middle and lower reaches of the yellow river, strengthen the integral tie function of the river basin area, do not need to move people, do not occupy a great amount of cultivated land, and the expansion body is sunk into the sea bottom to be buried by silt after drifting into the sea, so the marine pollution is not caused.
Claims (7)
1. A method for treating yellow river sediment accumulation is characterized by comprising the following construction steps:
step one: arranging a plurality of sediment yards in the easy-to-deposit area of coarse-grain sediment, extracting the sediment in the river to the yards by adopting cutter suction type dredging equipment, naturally accumulating the sediment in the yards, and naturally reversing river water into the river to realize water-sediment separation;
step two: the separated sediment is respectively filled into the expansion body by adopting a plurality of assembly line type split charging facilities, and the expansion body is inflated by air and then sealed, and the filled sediment amount is controlled according to the inflatable size of the expansion body, so that the expansion body can be floated in water or on the water surface after being put into water;
step three: the expansion body bearing a proper amount of sediment is put into water, and the expansion body flows down into the sea along with water flow;
step four: after the expansion body bearing the sediment floats to the sea surface, the expansion body leaks air, and the expansion body carries the sediment to sink into the sea bottom;
in the first step, river water and sediment are separated, pumped to a river platform by a sand pump, and are simply separated after proper draining; or the sediment and river water are conveyed to a bank storage yard together through a sand pump, and the sediment is naturally separated after the river water is lost;
in the second step, the expansion body is made of an expandable material, and the expandable material is made of a degradable material; or adding partial degradable material into the preparation material to make the prepared expansion body locally distribute small amount of spot degradable material, so that the expansion body can be naturally degraded in a limited time under natural condition after being inflated and expanded.
2. A method of treating yellow river sediment accumulation as in claim 1 in which the degradable material is a degradable plastic.
3. The method for treating yellow river sediment accumulation according to claim 1, wherein the degradable material is distributed in the expansion body wall without affecting the overall structural firmness and stability of the expansion body before sinking.
4. The method for treating yellow river sediment accumulation according to claim 1, wherein the expansion body is internally provided with a satellite positioning device and a damage device, and the satellite positioning device selectively controls the damage device to damage the expansion body according to the drifting path of the expansion body so that the expansion body is sunk into the sea bottom.
5. The method of claim 4, wherein the satellite positioning device triggers the starting of the damage device at the set position, and the damage device damages the expansion body wall by needling or resistance melting damage to make the exhaust of the expansion body sink.
6. The method for treating yellow river sediment accumulation according to claim 1, wherein after the expansion body floats to the sea surface, a plurality of low-power laser emitting devices are arranged in the proper sea area of the drifting path, and the expansion body is spontaneously broken through laser to enable the expansion body to leak and sink.
7. The method for treating yellow river sediment accumulation according to claim 1, wherein the expansion body is sunk after being damaged and discharged in a specific area, so as to achieve the purpose of sea reclamation in a set sea area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210029852.8A CN114319224B (en) | 2022-01-12 | 2022-01-12 | Method for treating yellow river sediment accumulation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210029852.8A CN114319224B (en) | 2022-01-12 | 2022-01-12 | Method for treating yellow river sediment accumulation |
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| Publication Number | Publication Date |
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| CN114319224A CN114319224A (en) | 2022-04-12 |
| CN114319224B true CN114319224B (en) | 2024-04-05 |
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| CN114319224A (en) | 2022-04-12 |
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