CN104895019B - Reservoir desilting system - Google Patents

Reservoir desilting system Download PDF

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Publication number
CN104895019B
CN104895019B CN201510297714.8A CN201510297714A CN104895019B CN 104895019 B CN104895019 B CN 104895019B CN 201510297714 A CN201510297714 A CN 201510297714A CN 104895019 B CN104895019 B CN 104895019B
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China
Prior art keywords
dam
reservoir
gate
sand discharge
flood discharging
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Expired - Fee Related
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CN201510297714.8A
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Chinese (zh)
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CN104895019A (en
Inventor
刘瑞春
魏庆宾
郭克伟
刘红星
张惠强
马长江
孙继光
王飞
张大朋
许建涛
冯吉昌
李岩
马程帅
王书翠
辛建厚
秦温温
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Henan Water Construction Group Co., Ltd.
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Henan Water Construction Group Co Ltd
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Publication of CN104895019A publication Critical patent/CN104895019A/en
Application granted granted Critical
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Abstract

The invention relates to a reservoir desilting system which comprises a dam, a sediment retaining dam, a sediment discharge pipeline and a sediment pumping ship. The sediment retaining dam is arranged in a reservoir, a flood discharge tunnel and a gate which is used for closing the flood discharge tunnel are arranged on the dam, and a sediment discharge channel is arranged below the flood discharge tunnel; a sediment discharge tunnel and a gate which is used for closing the sediment discharge tunnel are arranged on the sediment retaining dam; one end of the sediment discharge pipeline is connected with the flood discharge tunnel, the other end of the sediment discharge pipeline is arranged at the bottom of the sediment retaining dam, and the sediment discharge pipeline is connected with the sediment pumping ship; an ultrasonic distance measuring instrument which is used for measuring the depth of the reservoir is arranged on the sediment retaining dam. The reservoir desilting system has the advantages that sediment deposited at the bottom of the reservoir all year round can be efficiently removed by the reservoir desilting system, the reservoir desilting system has intelligent functions, energy can be saved, and the work efficiency can be improved.

Description

A kind of reservoir desilting system
Technical field
The present invention relates to a kind of reservoir desilting system, belong to hydraulic engineering field.
Background technology
Reservoir, general be construed to " flood retention water-retention and the water conservancy structure adjusting current, it is possible to use to irrigate, Generate electricity, control flood and breed fish." it refers to build the artificial lake that barrage is formed at the narrow orifice in gully or river.Reservoir builds up Afterwards, flood control, catchwork irrigation, water supply can be played, the effect such as generate electricity, breed fish.
With the development of economic society, the mankind are increasing to the development and utilization demand in river, build water on river Sharp multi-purpose project get more and more, As time goes on and extend, a lot of reservoirs are because of Sediment Siltation problem water-retention efficiency significantly Reduce, especially quite a few reservoir of heavily silt-carrying river loses normal water storage function because of serious Sediment Siltation, originally for storing Water is emerging sharp and the dam built and its annex are also therefore ineffective, causes the serious waste of resource.
Existing reservoir desilting method, mainly uses minimum capacity of a reservoir sediment trapping and discharging by density current, these dredging method effects Bad, also some reservoirs, also in the method for simple employing excavated by manual work sand desilting, expend substantial amounts of manpower and materials.
Content of the invention
The purpose of the present invention is the problem overcoming prior art to exist, and proposes a kind of reservoir desilting system, this system can The long-term silt in reservoir bottom is removed in efficient realization, and has intelligent functions, has saved the energy, has improve work Efficiency.
Technical solution of the present invention is as follows: a kind of reservoir desilting system, the check dam including dam and in reservoir;Described Dam is provided with flood discharging tunnel and the gate for closing flood discharging tunnel, and the lower section of described flood discharging tunnel is provided with sand discharge passage;Described sediment trapping Dam is provided with desilting tunnel and the gate for closing desilting tunnel;It is characterized in that, also include sand discharge pipeline and take out large junk;Described row The one end on sand tube road is connected with flood discharging tunnel, and the other end is arranged on the bottom of check dam, and described sand discharge pipeline is connected with taking out large junk;Institute State check dam and be provided with the ultrasonic range finder for measuring reservoir depth.
Further, one end of described sand discharge pipeline is connected with flood discharging tunnel, and in flood discharging tunnel, described flood discharging tunnel straight Footpath is more than the diameter of the sand discharge pipeline within located at flood discharging tunnel.
Further, a part for described sand discharge pipeline passes through fixed mount setting on dam wall, and a part is arranged on On the water surface with take out large junk and be connected, another part leads directly to the bottom of check dam, and is provided with the horn mouth for taking out mud.
Further, described sand discharge pipeline on the water surface is arranged on the water surface or by installing float by bracing frame Swim in the water surface.
Further, also include sluice control system, described sluice control system is connected with ultrasonic range finder.
Further, described check dam at least one.
A kind of present invention reservoir desilting system, is provided with least one check dam, and check dam can be effectively by whole reservoir Divided, be roughly divided into clear water zone and muddy water area, during water flowing, substantial amounts of silt can be formed in the bottom of check dam Pile up, the silt of check dam bottom can be pumped by taking out large junk, realize efficient desilting;A kind of reservoir desilting of the present invention System, it is achieved that intelligentized monitoring, is provided with ultrasonic range finder on check dam, and this ultrasonic range finder can effectively be surveyed Measure the distance of check dam distance from top reservoir bottom, this ultrasonic range finder is free to rotate, when measurement distance exceeds early warning It was demonstrated that bottom sediment is piled up excessively during value, desilting work can be carried out;A kind of present invention reservoir desilting system, check dam and big The husky desilting tunnel of spoil disposal and sand discharge passage are respectively provided with dam, when carrying out flood discharge, can effectively utilize current by mud Sand washes away.
Brief description
Fig. 1 is the structural representation of embodiment one.
Fig. 2 is the structural representation of embodiment two.
In figure: 1- dam;11- flood discharging tunnel;12- sand discharge passage;2- check dam;21- desilting tunnel;3- gate;4- sand discharge pipe Road;41- fixed mount;42- bracing frame;43- float;5- takes out large junk;6- ultrasonic range finder;7- silt;9- connecting tube.
Specific embodiment
Embodiment one
As shown in figure 1, a kind of present invention reservoir desilting system, the check dam 2 including dam 1 and in reservoir;Described The bottom of dam 1 is provided with flood discharging tunnel 11 and the gate 3 for closing flood discharging tunnel 11, and gate 3 is arranged on dam 1 away from reservoir Side, and expose to the open air outside, and the lower section of described flood discharging tunnel 11 is provided with sand discharge passage 12;Described check dam 2 is provided with desilting tunnel 21 With the gate 3 for closing desilting tunnel;Also include sand discharge pipeline 4 and take out large junk 5;One end of described sand discharge pipeline 4 and flood discharging tunnel 11 are connected, and the other end is arranged on the bottom of check dam 2, and described sand discharge pipeline 4 is connected with taking out large junk 5;Described check dam 2 is provided with For measuring the ultrasonic range finder 6 of reservoir depth.
One end of sand discharge pipeline 4 of the present invention is connected with flood discharging tunnel 11, and in flood discharging tunnel 11, described flood discharging tunnel 11 The diameter with diameter greater than the sand discharge pipeline 4 within located at flood discharging tunnel 11, shown in figure, sand discharge pipeline 4 is along flood discharging tunnel 11 Roof is arranged.A part for described sand discharge pipeline 4 is arranged on dam 1 wall by fixed mount 41, and a part is arranged on the water surface On with take out large junk 5 and be connected, another part leads directly to the bottom of check dam 2, and is provided with the horn mouth for taking out mud.Described located at the water surface On sand discharge pipeline 4 by bracing frame 42 be arranged on the water surface or by install float 43 swim in the water surface.Also include gate control System processed, described sluice control system is connected with ultrasonic range finder 6.Described check dam 2 at least one, in figure is provided with two Individual, so preferably reservoir can be carried out pure and impure division, clear water zone, muddy water area and super muddy water area can be divided into.
Under normal circumstances, the height of check dam 2 is significantly larger than the height that bottom sediment 7 is piled up.
Work process of the present invention is as follows:
During flood discharge, sluice control system automatic controlling gate is opened, the gate including dam and the gate of check dam, this When current the silt of bottom can be washed away;And open simultaneously and take out large junk, realize high-efficient dredging;
During reservoir filling, the height apart from reservoir bottom surface for the ultrasonic range finder real-time monitoring check dam top surface, and and When feed back to sluice control system, when the distance that ultrasonic range finder detects is already above early warning value, can control beat Open the gate of desilting tunnel and flood discharging tunnel, at this time the silt of check dam bottom can be washed away by current along connecting tube, is simultaneously connected with Silt around pipe follows the current within connecting tube to enter connecting tube together, finally goes out from the sand discharge passage of dam;Simultaneously Take out large junk and can start and take out sand, the silt of reservoir bottom is released and discharges from the flood discharging tunnel of dam.
Reservoir desilting system of the present invention, is provided with least one check dam, and whole reservoir can effectively be carried out by check dam Divide, be roughly divided into clear water zone and muddy water area, during water flowing, substantial amounts of silt heap can be formed in the bottom of check dam Long-pending, the silt of check dam bottom can be pumped by taking out large junk, realize efficient desilting;A kind of reservoir desilting of present invention system System, it is achieved that intelligentized monitoring, is provided with ultrasonic range finder, this ultrasonic range finder can effectively measure on check dam Go out the distance of check dam distance from top reservoir bottom, this ultrasonic range finder is free to rotate, when measurement distance exceeds early warning value When it was demonstrated that bottom sediment is piled up excessive, desilting work can be carried out, ultrasonic range finder is connected with sluice control system, gate Control system can realize the dredging of silt with automatic starting gate, take out large junk simultaneously and also start and start to take out sand, efficient realize fast Fast desilting;A kind of present invention reservoir desilting system, check dam and dam are respectively provided with the husky desilting tunnel of spoil disposal and sand discharge Silt, when carrying out flood discharge, can effectively be washed away by passage using current.
Embodiment one
As shown in figure 1, a kind of present invention reservoir desilting system, the check dam 2 including dam 1 and in reservoir;Described Dam 1 bottom is provided with flood discharging tunnel 11 and for closing the gate 3 of flood discharging tunnel 11, and gate 3 is arranged on described dam 1 away from reservoir Side, and expose to the open air outside, and the lower section of described flood discharging tunnel 11 be provided with sand discharge passage 12;Described check dam 2 is provided with desilting tunnel 21 and for closing the gate 3 of desilting tunnel;Also include sand discharge pipeline 4 and take out large junk 5;One end of described sand discharge pipeline 4 and flood discharge Hole 11 is connected, and the other end is arranged on the bottom of check dam 2, and described sand discharge pipeline 4 is connected with taking out large junk 5;Set on described check dam 2 There is the ultrasonic range finder 6 for measuring reservoir depth.
One end of sand discharge pipeline 4 of the present invention is connected with flood discharging tunnel 11, and in flood discharging tunnel 11, described flood discharging tunnel 11 The diameter with diameter greater than the sand discharge pipeline 4 within located at flood discharging tunnel 11, shown in figure, sand discharge pipeline 4 is along flood discharging tunnel 11 Roof is arranged.A part for described sand discharge pipeline 4 is arranged on dam 1 wall by fixed mount 41, and a part is arranged on the water surface On with take out large junk 5 and be connected, another part leads directly to the bottom of check dam 2, and is provided with the horn mouth for taking out mud.Described located at the water surface On sand discharge pipeline 4 pass through install float 43 swim in the water surface.Also include sluice control system, described sluice control system with super Sound-ranging equipment 6 is connected.Described check dam 2 at least one, in figure is provided with two, so preferably can carry out reservoir Pure and impure division, can be divided into clear water zone, muddy water area and super muddy water area.
Under normal circumstances, the height of check dam 2 is significantly larger than the height that bottom sediment 7 is piled up.
Work process of the present invention is as follows:
During flood discharge, sluice control system automatic controlling gate is opened, the gate including dam and the gate of check dam, this When current the silt of bottom can be washed away;And open simultaneously and take out large junk, realize high-efficient dredging;
During reservoir filling, the height apart from reservoir bottom surface for the ultrasonic range finder real-time monitoring check dam top surface, and and When feed back to sluice control system, when the distance that ultrasonic range finder detects is already above early warning value, can control beat Open the gate of desilting tunnel and flood discharging tunnel, at this time the silt of check dam bottom can be washed away by current along connecting tube, is simultaneously connected with Silt around pipe follows the current within connecting tube to enter connecting tube together, finally goes out from the sand discharge passage of dam;Simultaneously Take out large junk and can start and take out sand, the silt of reservoir bottom is released and discharges from the flood discharging tunnel of dam.
Reservoir desilting system of the present invention, is provided with least one check dam, and whole reservoir can effectively be carried out by check dam Divide, be roughly divided into clear water zone and muddy water area, during water flowing, substantial amounts of silt heap can be formed in the bottom of check dam Long-pending, the silt of check dam bottom can be pumped by taking out large junk, realize efficient desilting;A kind of reservoir desilting of present invention system System, it is achieved that intelligentized monitoring, is provided with ultrasonic range finder, this ultrasonic range finder can effectively measure on check dam Go out the distance of check dam distance from top reservoir bottom, this ultrasonic range finder is free to rotate, when measurement distance exceeds early warning value When it was demonstrated that bottom sediment is piled up excessive, desilting work can be carried out, ultrasonic range finder is connected with sluice control system, gate Control system can realize the dredging of silt with automatic starting gate, take out large junk simultaneously and also start and start to take out sand, efficient realize fast Fast desilting;A kind of present invention reservoir desilting system, check dam and dam are respectively provided with the husky desilting tunnel of spoil disposal and sand discharge Silt, when carrying out flood discharge, can effectively be washed away by passage using current.

Claims (4)

1. a kind of reservoir desilting system, the check dam (2) including dam (1) and in reservoir;The bottom of described dam (1) sets Have flood discharging tunnel (11) and the gate (3) being used for closing flood discharging tunnel (11), and described gate (3) be arranged on described dam (1) away from The side of reservoir, and expose to the open air outside, and the lower section of described flood discharging tunnel (11) is provided with sand discharge passage (12);On described check dam (2) It is provided with desilting tunnel (21) and the gate (3) being used for closing desilting tunnel (21);It is characterized in that: also include sand discharge pipeline (4) and take out Large junk (5);One end of described sand discharge pipeline (4) is connected with flood discharging tunnel (11), and the other end is arranged on the bottom of check dam (2), institute State sand discharge pipeline (4) and take out large junk (5) and be connected;Described check dam (2) is provided with the ultrasonic ranging for measuring reservoir depth Instrument (6);
A part for described sand discharge pipeline (4) is arranged on dam (1) wall by fixed mount (41), and a part is arranged on the water surface Upper with take out large junk (5) and be connected, another part leads directly to the bottom of check dam (2), and is provided with the horn mouth for taking out mud;
Described sand discharge pipeline (4) on the water surface is arranged on the water surface or by installing float (43) drift by bracing frame (42) Keep afloat;
One end of described sand discharge pipeline (4) is connected with flood discharging tunnel (11), and in flood discharging tunnel (11), described flood discharging tunnel (11) Diameter with diameter greater than the sand discharge pipeline (4) internal located at flood discharging tunnel (11);
Its dredging method is as follows:
During flood discharge, sluice control system automatic controlling gate is opened, the gate including dam and the gate of check dam, at this time The silt of bottom can be washed away by current;And open simultaneously and take out large junk, realize high-efficient dredging;
During reservoir filling, the height apart from reservoir bottom surface for the ultrasonic range finder real-time monitoring check dam top surface, and anti-in time Feed sluice control system, when the distance that ultrasonic range finder detects is already above early warning value, the row of opening can be controlled Husky hole and the gate of flood discharging tunnel, at this time current the silt of check dam bottom can be washed away along connecting tube, be simultaneously connected with pipe week The silt enclosing follows the current within connecting tube to enter connecting tube together, finally goes out from the sand discharge passage of dam;Take out sand simultaneously Ship can start takes out sand, the silt of reservoir bottom is released and discharges from the flood discharging tunnel of dam.
2. a kind of reservoir desilting system according to claim 1 it is characterised in that: also include sluice control system, described Sluice control system is connected with ultrasonic range finder (6).
3. a kind of reservoir desilting system according to claim 1 it is characterised in that: described check dam (2) at least.
4. a kind of reservoir desilting system according to claim 1 it is characterised in that: gate (3) place of described check dam (2) It is additionally provided with connecting tube (9), the other end of connecting tube (9) leads to the sand discharge passage (12) of dam (1);Set on described connecting tube (9) If there being dry hole.
CN201510297714.8A 2015-06-03 2015-06-03 Reservoir desilting system Expired - Fee Related CN104895019B (en)

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Publication number Priority date Publication date Assignee Title
CN109989382B (en) * 2019-03-18 2021-05-18 黄河水利委员会黄河水利科学研究院 Separated scheduling method for water storage and sand discharge of large and medium-sized reservoirs in sandy rivers in flood season
CN113073615B (en) * 2021-04-16 2022-05-03 尹小萍 Inhale sand discharging device before power station flood discharge hole tower of intaking

Citations (2)

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Publication number Priority date Publication date Assignee Title
CN201447873U (en) * 2009-03-20 2010-05-05 湖南省沙坪建筑有限公司 Friction reducing and vibration decreasing bracket for pump concrete horizontal conveying pipe
CN103938578A (en) * 2014-02-27 2014-07-23 黄河水利委员会河南黄河河务局 Silting reduction system for heavily silt-carrying river reservoir

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Publication number Priority date Publication date Assignee Title
JP3918043B2 (en) * 1997-03-21 2007-05-23 全良 佐藤 Sand discharge and mud drainage system method for water storage and intake dams and sand discharge and mud discharge method for water storage and intake dams
CN202007433U (en) * 2011-03-26 2011-10-12 李琦伟 High-efficiency reservoir sediment automatic silt cleaner
JP6063779B2 (en) * 2013-03-06 2017-01-18 伊藤 博 System for moving and discharging sediment sediment in reservoirs by utilizing dam discharge energy
JP6138029B2 (en) * 2013-11-18 2017-05-31 日立造船株式会社 Sediment discharge facility for dam reservoir
CN103938591B (en) * 2014-02-27 2015-12-02 黄河水利委员会河南黄河河务局 A kind of method reducing reservoir on hyperconcentration river alluvial
CN103925142A (en) * 2014-04-22 2014-07-16 成松桥 Self-suction-type reservoir desilting and electricity generating pipeline system
CN204715310U (en) * 2015-06-03 2015-10-21 舟山市智海技术开发有限公司 A kind of reservoir desilting system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201447873U (en) * 2009-03-20 2010-05-05 湖南省沙坪建筑有限公司 Friction reducing and vibration decreasing bracket for pump concrete horizontal conveying pipe
CN103938578A (en) * 2014-02-27 2014-07-23 黄河水利委员会河南黄河河务局 Silting reduction system for heavily silt-carrying river reservoir

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Inventor after: Liu Ruichun

Inventor after: Xu Jiantao

Inventor after: Feng Jichang

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