CN104762922B - A kind of Controlling Debris Flow method based on waterpower purge source - Google Patents

A kind of Controlling Debris Flow method based on waterpower purge source Download PDF

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Publication number
CN104762922B
CN104762922B CN201510097592.8A CN201510097592A CN104762922B CN 104762922 B CN104762922 B CN 104762922B CN 201510097592 A CN201510097592 A CN 201510097592A CN 104762922 B CN104762922 B CN 104762922B
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mud
pressure water
water
facility
rock flow
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CN104762922A (en
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卢邦稳
刘长武
陈宏臻
郭兵兵
黄常玲
高云瑞
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Sichuan University
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Sichuan University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins

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Abstract

The invention discloses a kind of Controlling Debris Flow method based on waterpower purge source, the principle of the method is to wash away the slope ditch loose material constituting mud-rock flow thing source by the energy of high-pressure water jet, and under hydraulic action, loose material is carried to bottom of trench along mud-rock flow coombe, administer mud-rock flow by the method in purge source.The present invention realizes with low cost, the workable and Controlling Debris Flow effect of safety and environmental protection.

Description

A kind of Controlling Debris Flow method based on waterpower purge source
Technical field
The present invention relates to a kind of Controlling Debris Flow method, a kind of Controlling Debris Flow method based on waterpower purge source.
Background technology
Mud-rock flow is the loose earth and water, the mixture of gas flowed along natural slope or pressure slope, often occur in small watershed in mountain, it it is a kind of solid-liquid-gas three phase fluid comprising a large amount of silt stone and boulder, in stickiness laminar flow or the kinestate such as dilute property turbulent flow, it is that a kind of Regional Distribution is wide, breaks out the geological hazards in mountainous area that strong, the rate of causing disaster frequent, crushing is done.
Big essential condition i.e. thing source, water source and the groove gradient of the three of debris flow formation.Thing source, i.e. abundant bulk solid mass, is the basis of debris flow formation, and its character directly affects the formation of mud-rock flow, and its quantity also directly affects type and the frequency of mud-rock flow.Water source is the shooting condition of mud-rock flow, and the water source of mud-rock flow is mainly heavy rain, glacier ice-melt and flood due to dam-break, and the most topmost water source is rainfall, and rainfall is by prophase programming and excites rainfall to affect the formation of mud-rock flow.Groove gradient provides the energy condition that mud-rock flow produces, it is however generally that, the favourable gradient that mud-rock flow starts is at 15 ° 30 °.
For formation condition, Controlling Debris Flow specifically includes that hillside regulation, cheuch regulation and the regulation of accumulation area.In the regulation of hillside, the river harnessing ideas for thing source is generally reinforced or removes.The reinforcement measure of loose material is generally several classes such as bolt-spary supports, lattice bank protection, pitched work, gabion bank protection, rock revetment, facing wall and slope vegetation protection.The removing of loose material refers mainly to use the method for mechanical equivalent of light excavation removed by loose material and transport out of, and is mainly used in some small Controlling Debris Flows, or the one as reinforcement measure is supplemented.
Generally speaking, existing Controlling Debris Flow method there is problems in that 1, the engineering scale of construction is huge, and manpower and materials expend big, and engineering cost is high;2, topographic and geologic condition is poor, constructional difficulties;3, relatively overall situation is caused to destroy.
In sum, there is many drawbacks in existing Controlling Debris Flow method, needs improvement badly.
Summary of the invention
The present invention provides a kind of Controlling Debris Flow method removing loose material based on waterpower.The cardinal principle of the method is to build high-pressure water jet flushing system, energy by high-pressure water jet washes away the slope ditch rickle in composition mud-rock flow thing source, then loose material and water are mixed into mud mixture, and mud mixture flow to mud-rock flow coombe under hydraulic action;Facility is led by the row of setting in mud-rock flow coombe, make mud mixture can along ditch and under be transported to bottom of trench, arrange interception filtration facility at bottom of trench to carry out mud mixture intercepting filtering and making mud-water separation, solid being intercepted and precipitated and the most again it is carried out renovation and utilization or mechanical transport mode transports out of, the water that will filter out is transmitted back at high-pressure water jet flushing system water source recycle or directly drain the most again.Method involved in the present invention is purged to the rickle constituting mud-rock flow thing source by high-pressure water jet flushing system, it is carried to bottom of trench at the Gou Wu source, slope easily causing mud-rock flow, it is evident that, loose material also or transports out of all extremely convenients to its renovation and utilization after being carried to bottom of trench by the way of mechanical transport, and after slope ditch does not has rickle, mud-rock flow can occur the most again, thus realize efficient, safe and environment-friendly and economic Controlling Debris Flow effect.
Further, Controlling Debris Flow method involved in the present invention comprises the following steps:
One, arrange that high-pressure water shot streaming system the row of setting lead facility and intercept filtration facility.In conjunction with the required geographical terrain geological condition administering mud-rock flow periphery, rationally select water source reasonable Arrangement high-pressure water shot streaming system, this system mainly includes clear water reserviors, pumping plant, water carrying services, giant etc., and the row of setting leads facility and carries out row and lead so that mud mixture can smooth and easy flow down in mud-rock flow coombe, arranging interception filtration facility at bottom of trench, then appropriate design loose material removes job order.
Two, debugging high-pressure water shot streaming system.Open high-pressure water shot streaming system, and according to working region actual condition regulation hydraulic pressure and flow velocity.
Three, operation high-pressure water shot streaming system carries out sluicing.Operation giant, alignment loose material carries out sluicing, and under high-pressure hydraulic effect, loose material can be washed and be mixed into mud mixture with water, and under hydraulic action, mud mixture enters mud-rock flow coombe and along ditch downstream to bottom of trench.
Four, intercept filtration facility mud mixture to be intercepted, filter and precipitates.Mud mixture along ditch downstream to bottom of trench, and realize mud-water separation under intercepting filtration facility effect, isolated water is directly drained or is the most again transmitted back at high-pressure water jet flushing system water source recycle, and the solid under precipitation is as required or renovation and utilization or mechanical transport otherwise processed.
It should be noted that so-called clear water reserviors, pumping plant, water carrying services, giant, row lead facility and intercept filtration facility, the facility being to provide corresponding function referred to, its form there is no strict restriction.Wherein, clear water reserviors are high-pressure water jet flushing system water source, and pumping plant refers to that water used by high-pressure water shot streaming system involved in the present invention carries out pressurization and promotes;Water carrying services refers to be delivered to water used by high-pressure water shot streaming system involved in the present invention the facility of presumptive area;Giant refers to high-pressure water jet system high pressure water jet launch facility involved in the present invention;Row leads facility and refers to that mud mixture, after being washed away by water under high pressure and be mixed into mud mixture with water, is arranged and led so that its interception filtration facility being transported to be arranged on bottom of trench or bottom, slope by loose material;Intercept filtration facility and refer to be arranged on bottom of trench or bottom, slope for intercepting the mud mixture flowed down along ditch and being precipitated filtration, thus realize mud-water separation.
Preferably, mud-rock flow loose material begins a clean up from top to bottom, first loose material at cleaning ditch top, finally cleaning ditch bottom loose material.Certainly, in some special operation conditions, also have cleaning order from bottom to top.
Preferably, clear water reserviors are high-pressure water jet flushing system water source, and the elevation of its relative loose thing should be higher, in order to provides relatively high water head;And can be artificial constructed, it is also possible to for the most existing rivers and lakes etc..
Preferably, according to the difference of actual condition, the flow of giant, respective nozzle and jet effective range etc. can be different.
It should be noted that the circulation that the removing of mud-rock flow slope ditch loose material should be above step is carried out, until loose material is removed complete.
It is readily apparent that by using the waterpower purge source method of administering mud-rock flow, more other Controlling Debris Flow method more uses manpower and material resources sparingly, and the most convenient effectively operability is higher, and safer environmental protection.
Accompanying drawing explanation
Fig. 1, schematic diagram of the present invention.
Wherein, 1, clear water reserviors, 2, pumping plant, 3, water carrying services, 4, giant, 5, mud-rock flow thing source, 6, row lead facility, 7, intercept filtration facility, 8, backwater facility.
Detailed description of the invention
Will be explained in greater detail below now a kind of optimal way, it should be noted that, the present invention is not limited solely to this kind of embodiment, on the contrary, present invention also contemplates that the various substitute modes in the spirit and scope of the invention in involved right, remodeling, equivalent way and other embodiments.
According to the preferred embodiment of the present invention, as shown in Figure 1, one involved in the present invention is preferably used method:
One, the required geographical terrain geological condition administering mud-rock flow periphery is combined, select water source and arrange high-pressure water shot streaming system, this system mainly includes clear water reserviors 1, pumping plant 2, water carrying services 3, giant 4 etc., and the row of setting leads facility 6 and carries out row and lead so that mud mixture can smooth and easy flow down in mud-rock flow coombe, at bottom of trench, interception filtration facility 7 and backwater facility 8 are set, and backwater facility 8 is connected with clear water reserviors 1, loose material is removed job order and is designed as first clearing up ditch top loose material, begin a clean up the most from top to bottom, finally cleaning bottom of trench loose material.
Two, high-pressure water shot streaming system is opened, and according to working region actual condition regulation hydraulic pressure and flow velocity.
Three, operation high-pressure water shot streaming system carries out sluicing.Operation giant 4, alignment loose material 5 carries out sluicing, under high-pressure hydraulic effect, loose material 5 can be washed and be mixed into mud mixture with water, under hydraulic action, mud mixture enters mud-rock flow coombe, and under the dredging that row leads facility 6, along ditch downstream to bottom of trench.
Four, intercept filtration facility 7 mud mixture to be intercepted, filter and precipitates.Mud mixture along ditch downstream to bottom of trench, and realize mud-water separation under intercepting filtration facility effect, isolated water is transmitted back at high-pressure water jet flushing system water source recycle by backwater facility 8 after treatment again, and the solid under precipitation is walked by mechanical transport.
After the circulation that debris flow valley loose material carries out above step operates, just can be removed by loose material complete, mud-rock flow can occur not having enough thing sources situation the most again.
It is readily apparent that by using the waterpower purge source method of administering mud-rock flow, more other Controlling Debris Flow method more uses manpower and material resources sparingly, and the most convenient effectively operability is higher, and safer environmental protection.

Claims (1)

1. a Controlling Debris Flow method based on waterpower purge source, the principle of the method is to build high-pressure water shot streaming system, energy by high-pressure water jet washes away the slope ditch loose material in composition mud-rock flow thing source, and under hydraulic action, slope ditch loose material is carried to bottom of trench along mud-rock flow coombe, facility is led by the row of setting in mud-rock flow coombe, make mud mixture can along ditch and under be transported to bottom of trench, arrange interception filtration facility at bottom of trench to carry out mud mixture intercepting filtering and making mud-water separation, solid is intercepted and precipitates, the most again it is carried out renovation and utilization or mechanical transport mode transports out of, the water that will filter out is transmitted back at high-pressure water jet flushing system water source recycle or directly drain the most again, thus realize being administered the technique effect of mud-rock flow by the method in purge source;The method comprises the following steps: arrange that high-pressure water shot streaming system the row of setting lead facility and intercept filtration facility, debugging high-pressure water shot streaming system, operation high-pressure water shot streaming system carries out sluicing, intercepts filtration facility and intercepts mud mixture, filters and precipitate;
Wherein, step " is arranged that high-pressure water shot streaming system the row of setting lead facility and intercept filtration facility " and is referred to: combine the required geographical terrain geological condition administering mud-rock flow periphery, rationally select water source reasonable Arrangement high-pressure water shot streaming system, this system mainly includes clear water reserviors, pumping plant, water carrying services, giant etc., and the row of setting leads facility and carries out row and lead so that mud mixture can smooth and easy flow down in mud-rock flow coombe, arranging interception filtration facility at bottom of trench, then appropriate design loose material removes job order;
Wherein, step " debugging high-pressure water shot streaming system " refers to: open high-pressure water shot streaming system, and according to working region actual condition regulation hydraulic pressure and flow velocity;
Wherein, step " operation high-pressure water shot streaming system carries out sluicing " refers to: operation giant, alignment loose material carries out sluicing, under high-pressure hydraulic effect, loose material can be washed and be mixed into mud mixture with water, and under hydraulic action, mud mixture enters mud-rock flow coombe and along ditch downstream to bottom of trench;
Wherein, step " intercept filtration facility intercept mud mixture, filter and precipitate " refers to: mud mixture along ditch downstream to bottom of trench, and realize mud-water separation under intercepting filtration facility effect, isolated water is directly drained or is the most again transmitted back at high-pressure water jet flushing system water source recycle, and the solid under precipitation is as required or renovation and utilization or mechanical transport Otherwise processed.
CN201510097592.8A 2015-03-05 2015-03-05 A kind of Controlling Debris Flow method based on waterpower purge source Expired - Fee Related CN104762922B (en)

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Publication number Priority date Publication date Assignee Title
CN106645653B (en) * 2017-03-17 2023-03-31 成都理工大学 Debris flow simulation test device and test method thereof
CN111945654B (en) * 2020-07-30 2022-04-12 四川大学 Structure of predetermineeing of early processing of dammed lake
CN115638832B (en) * 2022-12-23 2023-03-07 中国科学院、水利部成都山地灾害与环境研究所 River slope thing source monitoring devices

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