CN107126730A - Groove dam formula leads sand sand-catching apparatus, adopts sand system and sand excavation method - Google Patents
Groove dam formula leads sand sand-catching apparatus, adopts sand system and sand excavation method Download PDFInfo
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- CN107126730A CN107126730A CN201710484815.5A CN201710484815A CN107126730A CN 107126730 A CN107126730 A CN 107126730A CN 201710484815 A CN201710484815 A CN 201710484815A CN 107126730 A CN107126730 A CN 107126730A
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- Prior art keywords
- sand
- riffler
- launder
- river
- catching apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
Abstract
A kind of groove dam formula leads sand sand-catching apparatus, adopts sand system and sand excavation method, is related to and adopts sand technical field.The groove dam formula, which leads sand sand-catching apparatus, to be included leading sand launder and the riffler located at river bank in riverbed, the angle that the length direction and river for leading sand launder are flowed to is more than 0 degree and less than 90 degree, the slope that depth gradually increases is formed on the bottom for leading sand launder, is led the big one end of sand launder depth and is connected with sand setting trench bottom.The groove dam formula leads sand sand-catching apparatus can be after river bed quicksand enters and leads sand launder, enter in the case where leading the promotion for the spiral circulation that riffler is pointed in sand launder in riffler and deposit, its have it is simple in construction, easy to use, can be carried out in flood season it is continuous adopt sand operation, production efficiency is high, quality of shaking out is good, operating cost is low, not polluted water, the environmental advantages being had no effect to the river such as river shoal, river course natural environment.Sand system is adopted present invention also offers lead sand sand-catching apparatus including above-mentioned groove dam formula, and leads using the groove dam formula sand excavation method of sand sand-catching apparatus.
Description
Technical field
The present invention relates to sand technical field is adopted, lead sand sand-catching apparatus in particular to a kind of groove dam formula, adopt sand system and
Sand excavation method.
Background technology
With the raising of urbanization process, building engineering construction gradually increases the demand of sandstone, it is therefore desirable to riverbed,
Carry out adopting sand operation to meet demand at river shoal.Current existing sand excavation method mainly has：First, manpower adopts sand by hand：By manpower
Directly sand is adopted with spades, hoe on river course, river shoal；2nd, the sandstone that river bed is accumulated is aspirated using sand pump；3rd, using adopting sand
Ship takes riverbed, the sandstone on river shoal；4th, riverbed, the sand on river shoal are taken using digging machine.Above-mentioned sand excavation method is respectively provided with larger
Defect, wherein manpower adopts sand and wastes time and energy by hand, and operating efficiency is low, has been eliminated；Other three kinds of sand excavation methods have six
The individual defect that can not be overcome：One is big to the extent of injury in river shoal, river course, riverbed, destroys river natural environment；Two be product matter
Amount is poor.By it is above-mentioned it is several adopt that sand mode adopted be the natural sediment on river shoal, river course sand, wherein mud, flour sand, have
Machine impurity is more, influences construction quality；Three be to yield poorly.Because the sand quantity of the natural sediment on river shoal, river course is few, yield
Limited by natural sediment amount；Four be that cost is high.River shoal, riverbed, on dig sand, block stone, cobble are more, and to move operation,
Waste time and energy, efficiency is low, cost is high；Five be to adopt the block stone dug out during sand, cobble the like waste to accumulate many, influences flood passage
Safety；Six be severe contamination water quality.Because above-mentioned sand mode of adopting can only adopt sand in dry season, adopt during sand inevitably
River is stired and make muddy, fish growth is influenceed, production and living water is influenceed.
The applicant has submitted the patent of invention of Application No. 201410486584.8 on the 22nd in September in 2014 and awarded
Power, a kind of groove dam formula riffler of the disclosure of the invention, adopts husky system and adopts method for determining sand, and the groove dam formula riffler includes riffler master
Body, the bottom of desilting groove body is located in riverbed；The length direction of desilting groove body is vertical with water (flow) direction, desilting groove body
Bottom is tilted by a lateral opposite side, and bottom land is provided with sand clean out pipe, and sand clean out pipe is connected with the water pump outside groove；Riffler subject depth
Big side, which is provided with, takes out sand basin, takes out sand basin and is connected with riffler body interior；The side wall of desilting groove body is by the first trapezoidal side
Wall, the first rectangular side walls, the second trapezoidal side wall and the second rectangular side walls are in turn connected to form.The groove dam formula that the invention is provided
Riffler and method for determining sand is adopted, can make to adopt husky job position and fix, can still carry out adopting husky operation during flood season, flood peak, make to adopt
Husky operation is not limited by the time, is improved and is adopted sand efficiency, and is adopted sand operation and do not damaged river shoal, riverbed, river course original appearance, is not polluted
River water body, river natural environment is not influenceed.
But the riffler that the invention is provided still has three obvious defects, one is riffler and current in riverbed
Direction is substantially vertical, it is impossible to form the shunting for pointing to river bank Chou Sha ponds, it is impossible to which the kinetic energy by the use of river will make as sediment transport power
With water pump as sediment transport power, operation power cost is higher；Two be that structure is more complicated, is invested larger；Three be that scour pipe is easy
By silt blocking, cleaning pipeline is difficult.
The content of the invention
Lead sand sand-catching apparatus it is an object of the invention to provide a kind of groove dam formula, its have it is simple and reliable for structure, can utilize
River kinetic energy is as leading sand sediment transport power, adopt the low advantage of sand efficiency high, good product quality, operating cost.
Another object of the present invention is to provide one kind to adopt sand system, it, which has, only adopts river bed quicksand, and riverbed, river shoal are not adopted
The sand of upper natural sediment, on advantage of the river natural environment such as riverbed, river shoal without influence.
Another object of the present invention is to provide one kind to adopt sand system, it has only carries out adopting sand operation, low water in flood season
Phase without adopting sand operation, will not polluted water advantage.
What embodiments of the invention were realized in：
A kind of groove dam formula leads sand sand-catching apparatus, and it includes leading sand launder and the riffler located at river bank in riverbed, leads
The length direction of sand launder and the angle of the water (flow) direction of river are more than 0 degree and less than 90 degree, lead the bottom formation depth of sand launder by
Cumulative big slope, leads the big one end of sand launder depth and is connected with sand setting trench bottom.
In preferred embodiments of the present invention, it is 30 degree of -60 degree to lead the length direction of sand launder and the angle of water (flow) direction.
In preferred embodiments of the present invention, the length direction of riffler is parallel to water (flow) direction.
In preferred embodiments of the present invention, lead the big one end of sand launder depth and connect with riffler close to one end of river upstream
It is logical.
In preferred embodiments of the present invention, one end end wall of the riffler close to river downstream offers discharge outlet, draining
The height of mouth bottom is more than the height of the bottom wall of riffler.
In preferred embodiments of the present invention, the cross-sectional area of riffler is more than 3 times of the cross-sectional area for leading sand launder.
In preferred embodiments of the present invention, leading sand launder and being provided with the connectivity part of riffler is used to block or connect to lead sand launder
With the gate of riffler.
In preferred embodiments of the present invention, lead and trash rack, the length side of the grizzly bar of trash rack are provided with the notch of sand launder
To parallel to water (flow) direction.
Sand system is adopted present invention also offers one kind, it includes above-mentioned groove dam formula and leads sand sand-catching apparatus, and for by sand
The sand pumping device that grain is removed from riffler.
Present invention also offers a kind of sand excavation method, it comprises the following steps：Sand sand setting is led using above-mentioned groove dam formula to fill
Put collection sand grains；The sand grains that riffler is collected is removed.
The beneficial effect of the embodiment of the present invention is：Sand sand-catching apparatus is led the invention provides a kind of groove dam formula, it includes setting
In leading sand launder and riffler in riverbed, the angle for leading the length direction of sand launder and the water (flow) direction of river is more than 0 degree and is less than
90 degree, the slope that depth gradually increases is formed on the bottom for leading sand launder, leads the riffler that the big one end of sand launder depth connects river bank.Should
Groove dam formula lead sand sand-catching apparatus have it is simple in construction, by the use of river kinetic energy as leading sand, it is sediment transport power, easy to use and run into
This low advantage, it can carry out continuously adopting sand operation in flood season, and production efficiency is high, and quality of shaking out is good, not welding and water
Body.Sand system is adopted present invention also offers lead sand sand-catching apparatus including above-mentioned groove dam formula, this is adopted sand system and can held for a long time
Continuous operation is not influenceed by flood season.Present invention also offers a kind of sand excavation method, angle formation is flowed to using sand launder is led with river
And the helical shunt for pointing to riffler will be transported to riffler deposition as sediment transport power into the quicksand for leading sand launder, then by taking
The sand grains that sand equipment arrives systematic collection takes out ground screening and stacked.The sand excavation method is simple to operate, adopts sand efficiency high, goes out chiltern
Measure, and river natural environment will not be damaged, will not polluted water.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described.It should be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore it is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the structural representation at the first visual angle that the groove dam formula that the embodiment of the present invention 1 is provided leads sand sand-catching apparatus；
Fig. 2 is the structural representation at the second visual angle that the groove dam formula that the embodiment of the present invention 1 is provided leads sand sand-catching apparatus；
Fig. 3 is that sand grains of the embodiment of the present invention enter the motion schematic diagram for leading sand launder；
Fig. 4 is to lead the structural representation of sand launder in the embodiment of the present invention 1；
Fig. 5 is the structural representation for adopting sand system that the embodiment of the present invention 2 is provided；
Fig. 6 is to lead the structural representation of sand launder in the embodiment of the present invention 2.
In figure：001- grooves dam formula leads sand sand-catching apparatus；002- grooves dam formula leads sand sand-catching apparatus；003- adopts sand system；100-
Lead sand launder；101- water (flow) directions；200- rifflers；210- discharge outlet；300- gates；400- trash racks；410- fixed beams；500-
Sand pumping device.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.The present invention being generally described and illustrated herein in the accompanying drawings is real
Applying the component of example can be arranged and be designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of one embodiment of the present of invention.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, or should
Orientation or position relationship that invention product is usually put when using, are for only for ease of the description present invention and simplify description, without
It is that instruction or the signified device of hint or element must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it can not manage
Solve to indicate or imply relative importance.
In addition, the term such as term " level ", " vertical ", " pendency " is not offered as requiring part abswolute level or pendency, and
It is to be slightly tilted.As " level " only refers to that its direction, with respect to more level for " vertical ", is not the expression structure
Must be fully horizontal, but can be slightly tilted.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Connect body；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirect by intermediary
It is connected, can is the connection of two element internals.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Embodiment 1
It refer to shown in Fig. 1, Fig. 2 and Fig. 4, present embodiments provide a kind of groove dam formula and lead sand sand-catching apparatus 001, it includes
Sand launder 100 and the riffler 200 located at river bank are led in riverbed, the length direction and water (flow) direction 101 of sand launder 100 is led
Angle is more than 0 degree and less than 90 degree, lead the slope that the bottom formation depth of sand launder 100 gradually increases, and leads the depth of sand launder 100 greatly
One end is communicated with riffler 200, and the length direction of riffler 200 leads the depth of sand launder 100 parallel to the water (flow) direction 101 of river
Big one end is connected with riffler 200 close to one end of river upstream, and one end end wall of the riffler 200 close to river downstream is opened up
There is discharge outlet 210, the height of the bottom of discharge outlet 210 is more than the height of the bottom wall of riffler 200, leads sand launder 100 and riffler 200
Connectivity part be provided with and be used to blocking or connecting the gate 300 of leading sand launder 100 and riffler 200.Specifically, in the present embodiment, leading
The length direction of sand launder 100 and the angle of water (flow) direction 101 are 45 degree, and riffler 200 is located at river bank to collect sand grains.
It is for river silt carrying capacity maximum flood season and flood that groove dam provided in an embodiment of the present invention formula, which leads sand sand-catching apparatus 001,
The peak phase is designed, can during flood season continuous firing, efficient guiding sand grains and collect to extract.The groove dam formula is led sand and sunk
Sand device 001 be river course is straight, riverbed firm, the gradient in 2-5%, flow velocity is set up on the riverbed of 2-5 meter per seconds and leads sand launder
100, the quicksand to intercept river carrying；Lead the angle α between the length direction of sand launder 100 and river flow direction and be more than 0 degree simultaneously
Less than 90 degree, it is 50 meters, channel gradient 3%, current stream that the groove dam formula in the present embodiment, which leads sand sand-catching apparatus 001 in riverbed width,
Set at the riverbed of fast 3.5 meter per seconds, wherein leading the length of sand launder 100 for 71 meters；The notch span width for leading sand launder 100 is 1.2 meters,
The bottom land cross section for leading sand launder 100 is the semicircle that radius is 0.6 meter, and the upstream and downstream cell wall and thickness of groove bottom for leading sand launder 100 are
0.4 meter, the shallow end depth for leading sand launder 100 is 0.8 meter, and deep end depth is 4.3 meters, and the bottom land gradient is 5%；Lead the mouth of sand launder 100
Face is substantially equal with riverbed, and bottom land is below riverbed, and the angle α led between the length direction of sand launder 100 and river flow direction is preferred
For 45 degree.
When river bed quicksand process, this leads sand launder 100, the flowing water and sand grains of river bed lead sand launder 100 because Action of Gravity Field is fallen into
Interior, formation direction is consistent with the length direction for leading sand launder 100 and points to the shunting of riffler 200 (spiral circulation), with the spiral
The kinetic energy of circulation will be transported in riffler 200 as sediment transport power into the sand grains in sand launder 100 is led.Specifically, current
The sand grains of entrainment is flowed from upstream to up to when leading sand launder 100, and due to losing the support in riverbed, current fall into together with sand grains and lead sand
Flowed by sand launder 100 is led close to the stop of downstream side cell wall in groove 100 and to bottom land, and under the guiding of rounded trough bottom
The cell wall flowing for leading sand launder 100 close to upstream side is turned to, subsequent current are hindered by sand launder 100 is led close to upstream side cell wall
Guide sand launder 100 is returned to after being flowed up after power close to the flowing of downstream side cell wall from top again, form circulation (see Fig. 3).By
In leading sand launder 100 and the arrangement at an acute angle of water (flow) direction 101, it can be formed and extended along leading sand launder 100 into the current led in sand launder 100
The mobile shunting in direction (along close to river downstream one end), circulation leads what the bearing of trend of sand launder 100 was moved on the edge that current are formed
Shunting promotion is lower to form the spiral circulation for pointing to and leading the deeper one end of the bottom land of sand launder 100 again, will be conveyed into the sand grains for leading sand launder 100
To with leading in the riffler 200 that sand launder 100 is connected；The groove dam formula leads river bed when sand sand-catching apparatus 001 is mainly used in collecting flood season
Quicksand, can not only uninterruptedly collect sand grains for a long time, and production capacity is strong, yield is big, and the sand grains of collection fills by river
Divide and scrub, mud impurity is few, and sand grains uniform particle sizes, quality is excellent.
With time slot dam formula lead sand sand-catching apparatus 001 collection object be flood season river bed quicksand, to natural sediment riverbed,
Sand grains on river shoal, which is not dug, not to be taken, will not injure the natural environment in river shoal, riverbed and river course.In addition, groove dam formula leads sand sand setting dress
01 is set to 0 in dry season without adopting sand operation, will not polluted water.
Riffler 200, which is located at, closes on the river bank of leading the deeper one end of sand launder 100, wherein riffler 200 be rectangle and
Its length direction is parallel to water (flow) direction 101, and the flute length of riffler 200 is 20 meters, and groove width is 5 meters, and depth is 8 meters, riffler
200 top trip one end bottoms one end bottom larger with leading the depth of sand launder 100 is connected by intercommunicating pore, and the height of the intercommunicating pore is
1 meter, the bottom shape of intercommunicating pore, size are consistent with leading the bottom of sand launder 100, and the notch plane of riffler 200 is than leading sand launder 100
Notch plane is higher by 3 meters, and the bottom of riffler 200 is trapezoidal, lower 2 meters of bottom width, and upper 5 meters of bottom width leads sand launder 100 and riffler
Liftable gate 300 is provided with 200 intercommunicating pore, the cross-sectional area of riffler 200 is the cross-sectional area for leading sand launder 100
7 times, one end end wall offers discharge outlet 210 to riffler 200 downstream, and 210 wide 2 meters of discharge outlet is deep 3 meters, the bottom of discharge outlet 210
Height be more than riffler 200 bottom wall.
The riffler 200 arranged along water (flow) direction 101 is set in river bank, and the cross section and space of riffler 200 are to lead
The cross section of sand launder 100 and the 7 of space times, slow, to enter with water stream can be become from the flow velocity for the current for leading the entrance of sand launder 100
Sand can be settled and collected in the bottom of riffler 200, conveniently taken out sand equipment and extracted the sand grains collected.Riffler 200 is downstream
One end end wall offers discharge outlet 210, can be by the completion sediment transport function of entering in riffler 200 and the current separated with river sand
Released from discharge outlet 210, while the bottom of discharge outlet 210 is higher than sand setting trench bottom, it is to avoid the sand grains outflow riffler being collected into
200.Liftable gate 300 is provided with the junction for leading sand launder 100 and riffler 200, operating personnel can control the gate
300 liftings lead sand launder 100 and riffler 200 to connect or isolate, so as to control to lead the stream for entering riffler 200 in sand launder 100
Measure size.
In addition, in order to reduce cost, it can directly be built on riverbed and block sand and lead leading sand bank or leading sand ground sills to make for sand
To lead the sand grains that sand launder intercepts river entrainment, and by entering the sensing riffler led sand bank or lead river formation in sand ground sills
200 shunting (spiral circulation), will be entered using the kinetic energy of the spiral circulation as sediment transport power and leads sand bank or lead in sand ground sills
Sand grains is transported in riffler 200；Led likewise, low-lying physical features can also be chosen on riverbank bank and received as riffler 200
The sand grains that sand launder 100 is conveyed is in case follow-up extract.
The embodiment of the present invention additionally provides a kind of sand excavation method, and it is to lead sand sand-catching apparatus first by above-mentioned groove dam formula
The quicksand that sand launder 100 collects river bed is led in 001, followed by the helical ring for leading the sensing riffler 200 formed in sand launder 100
The kinetic energy of stream will lead the quicksand guiding that sand launder 100 is collected into and be transported to deposition in riffler 200 storing as sediment transport power, then
The sand grains being stored in riffler 200 is transferred on the bank with sand equipment is taken.The sand excavation method and conventional sand excavation method
Compared to advantages below：Efficient for a long time within sand carrying capacity maximum flood season it can operate, production capacity is strong；What is adopted is
The sand grains fully scrubbed is passed through in river bed, and impurity is few, and quality is good；The object adopted is the sand of river bed flowing, to natural sediment in river
Sand on bed, river shoal and river course, which is not adopted, not to be dug, will not injure the river such as riverbed, river course and river shoal natural environment, dry season does not adopt
Sand, will not polluted water；It is sediment transport power using river kinetic energy, operating cost is cheap；Adopt the equipment utilized during sand simple and reliable,
Plant equipment is few, easy to operate.
Embodiment 2
It refer to shown in Fig. 5 and Fig. 6, the present embodiment provides one kind and adopts sand system 003, it includes groove dam formula and leads sand sand setting dress
Set to 0 02, and sand pumping device 500, its bracket groove dam formula lead sand sand-catching apparatus 002 including bottom in the riverbed lead sand launder 100 and
Riffler 200 located at river bank, it is 60 degree to lead the length direction of sand launder 100 with the angle of water (flow) direction 101, leads sand launder 100
The slope that depth gradually increases is formed on bottom, is led the big one end of the depth of sand launder 100 and is communicated with riffler 200, the length of riffler 200
Degree is oriented parallel to water (flow) direction 101, and riffler 200 connects close to one end of river upstream one end big with leading the depth of sand launder 100
Logical, one end end wall of the riffler 200 close to river downstream offers discharge outlet 210, and the height of discharge outlet 210 is more than riffler
The height of 200 bottom wall, leading sand launder 100 and being provided with the connectivity part of riffler 200 is used to block or connect to lead sand launder 100 and sand setting
The gate 300 of groove 200, sand pumping device 500 is used to remove sand from riffler 200, and in the present embodiment, sand pumping device 500 is
Bucket machine, leads the cross section of sand launder 100 to be up big and down small trapezoidal.
This is adopted the use of sand system 003 and leads the sand grains retention that sand launder 100 carries river secretly, and leads sand launder by current entrance
Sand grains is delivered to settle in riffler 200 and stored by the spiral circulation produced when 100, and subsequent operating personnel will be stored up using bucket machine
The sand grains being stored in riffler 200, which is transported to bank, the subsequent job such as is sieved and is shifted.
Spaced apart trash rack 400, the length direction of the grizzly bar of trash rack 400 are provided with the notch for leading sand launder 100
Parallel to water (flow) direction 101.Trash rack 400, which can not only stop that the rubbish carried secretly in current enters, leads in sand launder 100, makees simultaneously
The granularity that industry personnel can adjust the sand grains that sand launder 100 is led in entrance by setting the spacing of the adjacent grizzly bar of trash rack 400 is big
Small, screening obtains the sand grains of appropriate particle size, while the trash rack 400 arranged parallel to water (flow) direction 101 will not also hinder current
Sand grains movement is driven in sand launder 100 into leading.
It is separated by the notch for leading sand launder 100 provided with fixed beam 410, the length direction of fixed beam 410 is parallel to current side
To 101.Specifically, be provided with a fixed beam 410 at interval of 4 meters, the cross dimensions of fixed beam 410 be it is wide 0.15 meter, it is high by 0.2
Rice, the length of fixed beam 410 is 1.2 meters；The fixed beam 410 can improve the structural strength for leading sand launder 100, it is to avoid lead sand launder
100 notch deformation effect normal operations.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of groove dam formula leads sand sand-catching apparatus, it is characterised in that it includes leading sand launder and located at river bank in riverbed
Riffler, the angle of the water (flow) direction of the length direction for leading sand launder and river is more than 0 degree and less than 90 degree, described to lead sand launder
Bottom form the slope that gradually increases of depth, described big one end of sand launder depth of leading is connected with sand setting trench bottom.
2. groove dam according to claim 1 formula leads sand sand-catching apparatus, it is characterised in that the length direction for leading sand launder with
The angle of the water (flow) direction is 30 degree of -60 degree.
3. groove dam according to claim 1 formula leads sand sand-catching apparatus, it is characterised in that the length direction of the riffler is put down
Row is in the water (flow) direction.
4. groove dam according to claim 1 formula leads sand sand-catching apparatus, it is characterised in that described to lead the big one end of sand launder depth
Connected with riffler close to one end of river upstream.
5. groove dam according to claim 4 formula leads sand sand-catching apparatus, it is characterised in that the riffler is close to river downstream
One end end wall offer discharge outlet, the height of the discharge outlet bottom is more than the height of the bottom wall of the riffler.
6. groove dam according to claim 1 formula leads sand sand-catching apparatus, it is characterised in that the cross-sectional area of the riffler is
More than 3 times of the cross-sectional area for leading sand launder.
7. groove dam according to claim 1 formula leads sand sand-catching apparatus, it is characterised in that described to lead sand launder and the riffler
Connectivity part be provided with and be used to blocking or connecting the gate for leading sand launder and the riffler.
8. groove dam according to claim 1 formula leads sand sand-catching apparatus, it is characterised in that be provided with the notch for leading sand launder
Trash rack, the length direction of the grizzly bar of the trash rack is parallel to the water (flow) direction.
9. one kind is adopted sand system, it is characterised in that its groove dam formula for including as any one of claim 1-8 leads sand sand setting
Device, and the sand pumping device for sand grains to be removed from the riffler.
10. a kind of sand excavation method, it is characterised in that it comprises the following steps：Using as any one of claim 1-8
Groove dam formula leads sand sand-catching apparatus and collects sand grains；The sand grains that the riffler is collected is removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710484815.5A CN107126730A (en) | 2017-06-23 | 2017-06-23 | Groove dam formula leads sand sand-catching apparatus, adopts sand system and sand excavation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710484815.5A CN107126730A (en) | 2017-06-23 | 2017-06-23 | Groove dam formula leads sand sand-catching apparatus, adopts sand system and sand excavation method |
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| CN107126730A true CN107126730A (en) | 2017-09-05 |
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| CN201710484815.5A Pending CN107126730A (en) | 2017-06-23 | 2017-06-23 | Groove dam formula leads sand sand-catching apparatus, adopts sand system and sand excavation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0913341A (en) * | 1995-06-27 | 1997-01-14 | Toyo Constr Co Ltd | Water bottom ditch-shaped structure |
| CN104225970A (en) * | 2014-09-22 | 2014-12-24 | 谢云龙 | Slot dam type sand-settling tank, sand excavating system and sand excavating method |
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2017
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| CN104225970A (en) * | 2014-09-22 | 2014-12-24 | 谢云龙 | Slot dam type sand-settling tank, sand excavating system and sand excavating method |
| CN104727267A (en) * | 2015-01-28 | 2015-06-24 | 四川大学 | Compound shingle trap capable of achieving longitudinal spiral flow sand retaining and discharging |
| CN204491545U (en) * | 2015-03-30 | 2015-07-22 | 广东梅雁吉祥水电股份有限公司 | The sediment outflow structure of tailrace |
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