CN109183720A - A kind of irrigation canals and ditches anti-clogging recharge filter device - Google Patents
A kind of irrigation canals and ditches anti-clogging recharge filter device Download PDFInfo
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- CN109183720A CN109183720A CN201811073029.7A CN201811073029A CN109183720A CN 109183720 A CN109183720 A CN 109183720A CN 201811073029 A CN201811073029 A CN 201811073029A CN 109183720 A CN109183720 A CN 109183720A
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- filter
- inclined plate
- clogging
- labyrinth weir
- plate
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- 238000003973 irrigation Methods 0.000 title description 47
- 230000002262 irrigation Effects 0.000 title description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000001914 filtration Methods 0.000 claims abstract description 58
- 238000003860 storage Methods 0.000 claims abstract description 16
- 239000000178 monomer Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 44
- 239000012528 membrane Substances 0.000 claims description 30
- 239000004746 geotextile Substances 0.000 claims description 16
- 229920001903 high density polyethylene Polymers 0.000 claims description 10
- 239000004700 high-density polyethylene Substances 0.000 claims description 10
- 239000002985 plastic film Substances 0.000 claims 1
- 239000003673 groundwater Substances 0.000 abstract description 15
- 239000004576 sand Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 31
- 239000000706 filtrate Substances 0.000 description 12
- 230000000903 blocking effect Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 239000013049 sediment Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000006353 environmental stress Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
- Filtration Of Liquid (AREA)
Abstract
本发明公开了一种沟渠防堵塞回灌过滤装置，属于含水层补给即地下水人工回灌技术领域，包括沟渠、迷宫堰结构、斜板过滤结构和清淤井，迷宫堰结构铺设于沟渠斜坡上，迷宫堰结构包括多个迷宫堰单体，迷宫堰单体包括滤板一和滤板二，滤板一与滤板二均设有多个进水孔，滤板一和滤板二以及沟渠斜坡包围形成蓄水腔，蓄水腔沿沟渠斜坡竖向设置，斜板过滤结构的一端与迷宫堰结构连通，斜板过滤结构远离迷宫堰结构的一端通过设有多个通水孔的集水管与清淤井连通。本发明无需占用河道面积，不会影响水流，避免淤积的泥沙堵塞过滤装置，提高了过滤效率。
The invention discloses a ditch anti-clogging recharge filter device, which belongs to the technical field of aquifer recharge, namely groundwater artificial recharge. The labyrinth weir structure includes a plurality of labyrinth weir monomers, the labyrinth weir monomer includes a filter plate 1 and a filter plate 2, the filter plate 1 and the filter plate 2 are both provided with a plurality of water inlet holes, the filter plate 1 and the filter plate 2 and the ditch The slope is surrounded to form a water storage cavity. The water storage cavity is vertically arranged along the slope of the ditch. One end of the inclined plate filter structure is connected to the labyrinth weir structure. Connected to the dredging well. The invention does not need to occupy the area of the river channel, does not affect the water flow, avoids the silted sand from clogging the filtering device, and improves the filtering efficiency.
Description
Technical field
The present invention relates to technical field of groundwater artificial recharge, and in particular to a kind of irrigation canals and ditches anti-clogging recharge filtering dress
It sets.
Background technique
Managed Aquifer Recharge --- manageable aquifer recharge, abbreviation MAR purposefully will be
Water is stored into the technical method in suitable water-bearing layer, and ensures human health and Environmental security using a series of management measures
It is without damage, facilitate the improvement of ecological environment, solves the problems, such as that the especially seasonal water resource of shortage of water resources is short by back production
It lacks, to obtain considerable economic benefit.
On in terms of solve the problems, such as artificial recharge, Chinese patent application CN201210003853 discloses a kind of underground
Water Spreading promotees infiltration method, and hand digging builds recharge pond on high osmosis soil layer, and coarse media is filled in recharge pond as anti-
Filter backfill material, and by adding exhaust pipe and air extractor, it can be when carrying out artificial groundwater recharge, by the flat of inverted well
Equal infiltration rate improves 4-5 times.To solve recharge blockage problem, Chinese patent application CN201120432424 discloses one kind
For preventing the device of blockage of underground water recharge well, it is connected by multistage pipeline, cross box with desander, to solve inverted well
Block the problem for causing individual well water the more to fill the more few.But above two technology does not all solve time during recharge simultaneously
Fill efficiency, blocking and energy consumption problem.
In this regard, Chinese patent application CN201410423788 discloses a kind of aquifer recharge device of high efficient block,
Belong to aquifer recharge i.e. technical field of groundwater artificial recharge.The device includes irrigation canals and ditches, along several of irrigation canals and ditches vertical distribution
Drainage Accrete clearing device, each drainage Accrete clearing device include pre-filtering device, postposition dredging well and connection prefilter dress
It sets, one of the postposition dredging well underground filter pipe for being densely covered with limbers；The bottom of irrigation canals and ditches is arranged in pre-filtering device, after
Dredging well location is set in the other end of filter pipe.The invention has design structure simple, takes up little room, and recharge groundwater is high-efficient,
It does not consume energy, is easy for construction, equal remarkable advantages at low cost.But filter device is placed in bottom of river channel by the invention can occupy river
Road area, influences water flow, and when sediment siltation can block filter screen, reduce filter efficiency.
Summary of the invention
The present invention In view of the above shortcomings of the prior art, proposes a kind of irrigation canals and ditches anti-clogging recharge filter device, this hair
It is bright to be not necessarily to occupy river area, it will not influence water flow, avoid silt blocking filtering device, improve filter efficiency.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of irrigation canals and ditches anti-clogging recharge filter device, including labyrinth weir structure, inclined plate filter structure and dredging well, labyrinth
Weir structure is layed on irrigation canals and ditches slope, and labyrinth weir structure includes multiple labyrinth weir monomers, and labyrinth weir monomer includes filter plate one and filter
Plate two, filter plate one and filter plate two are equipped with multiple inlet openings, filter plate one and filter plate two and irrigation canals and ditches slope surrounds to form water storage
Chamber, the length direction of storage chamber is parallel with the irrigation canals and ditches slope on the irrigation canals and ditches section perpendicular to irrigation canals and ditches water (flow) direction, inclined plate filtering knot
One end of structure and labyrinth weir fabric connectivity, the one end of inclined plate filter structure far from labyrinth weir structure is by being equipped with multiple limbers
Collector pipe be connected to dredging well.
Further, the inclined plate filter structure is that the inclined plate pile formed is stacked by multiple inclined plates, mutually flat between inclined plate
Row, inclined plate filter structure are higher than the one end of inclined plate filter structure far from labyrinth weir structure close to one end of labyrinth weir structure.
Further, it is oblique to be divided into upper layer inclined plate, middle layer inclined plate and lower layer from top to bottom for the inclined plate filter structure
Plate fills fine filtering material between the inclined plate of upper layer, fine filtering material in filling between the inclined plate of middle layer, fills coarse media between lower layer's inclined plate.
Further, the D50 of the fine filtering material is 2mm, and the D50 of middle fine filtering material is 4mm, and the D50 of coarse media is 6mm.
D50 is that filtrate sieves in sample particle composition, and sieving weight adds up the largest particles diameter for 50%.
Further, the bottom surface of the irrigation canals and ditches is equipped with dredging slot close to the side of labyrinth weir structure.
Further, the collector pipe uses double wall corrugated high-density polyethylene pipes, and collector pipe is close to inclined plate filter structure
One end be higher than collector pipe close to one end of dredging well.
Further, the inclined plate filter structure is in one end of close labyrinth weir structure and inclined plate filter structure separate
One end of labyrinth weir structure is equipped with filter membrane, and filter membrane is connect with inclined plate filter structure.
Further, the filter membrane is one of geotextiles, plastic cloth or a variety of.
Further, the specification of the geotextiles is 200-400g/m2。
The invention has the benefit that
1, first, because labyrinth weir structure is layed on irrigation canals and ditches slope, labyrinth weir structure is not take up river area,
It will not influence water flow；The second, because labyrinth weir monomer includes the filter plate one and filter plate two for being equipped with multiple inlet openings, with
The filter plate one and filter plate two of river water contact can filter river water, moreover, because including the labyrinth weir knot of multiple labyrinth weir monomers
The contact area of structure and river water is far longer than the irrigation canals and ditches slope area covered by labyrinth weir structure, so setting labyrinth weir knot
Structure increases drainage area, improves drainage amount and drainage rate, improves water filtration efficiency, also improves recharge efficiency, increases
The increment of groundwater is added；On the other hand, river water constantly washes away labyrinth weir structure, even if so that the silt in river water falls on fan
It in the structure of palace weir, also can be washed out by river water, make to be difficult to shoal materials in labyrinth weir structure, so preventing clogging
Generation, also avoid the bad phenomenon of filter efficiency；Also, the slope of irrigation canals and ditches be it is inclined, be arranged on irrigation canals and ditches slope
Labyrinth weir structure be also it is inclined, falling on silt in labyrinth weir structure can be because of silt self gravitation effect, from labyrinth weir knot
It is slipped to irrigation canals and ditches bottom on structure, is also able to achieve the effect of dredging, is greatly improved filter efficiency, can prevent because of sediment siltation
The clogging of generation；Third, the present apparatus can recharge, can drain, collector pipe can not only leak recharge groundwater, also act as
The rental of water delivery, while also as the channel of sediment transport, the dredging well being connected to collector pipe can not only receive collector pipe to convey
Silt, and shaft bottom is deposited to, certain water-head can be kept with artificial pumping, current scour is made to fall to catchment what tube wall deposited
Silt, and shaft bottom is deposited to, timing is cleared up, and can effectively prevent blocking of the silt to collector pipe, and collector pipe can be mutual
Pipe network is connected into, groundwater recharge supply effect is effectively raised, recharge of ground water range is expanded, to cone of groundwater
Recovery plays a significant role.
2, by setting inclined plate filter structure, lamina flow principle can be utilized, improve filtration treatment ability, because of inclined plate
Filter structure increases the filtering wetted perimeter of the cross-section of river, while reducing hydraulic radius, can thus in same horizontal flow velocity
To substantially reduce Reynolds number, to reduce the turbulent fluctuation of water, promote filtering；And inclined plate filter structure intensity is high, rugged construction,
Inclined plate will not be deformed because of extruding, existing intensity, and can be filtered, and ensure that its filter efficiency and globality；By allowing tiltedly
Plate filter structure close to one end of labyrinth weir structure be higher than the one end of inclined plate filter structure far from labyrinth weir structure, can make into
The river water for entering inclined plate filter structure relies on self gravitation effect from high toward low flowing, dynamic without consuming other into collector pipe
Power drive equipment.
3, by between the inclined plate of upper layer, fill fine filtering material, middle fine filtering between the inclined plate of middle layer respectively between lower layer's inclined plate
Material and coarse media can adapt to the river water characteristic that turbidity changes from small to big from shallow to deep in irrigation canals and ditches, make to be filled with filtrate as filtrate
Inclined plate filter structure be not easy to plug, improve the service life of apparatus of the present invention, reduce later maintenance cost manpower object
Power.
4, by allowing the D50 of fine filtering material to be 2mm, the D50 of middle fine filtering material is 4mm, and the D50 of coarse media is 6mm, and D50 is filter
Material screen divides in sample particle composition, and sieving weight adds up the largest particles diameter for 50%, realizes better filter effect.
5, dredging slot is set, the sand grain to settle down due to self gravity can be received, on the one hand, is convenient for silt
Collect cleaning；In another aspect, setting dredging slot, is equivalent to the depth for having deepened irrigation canals and ditches, so that being located at the fan on irrigation canals and ditches slope
Palace weir structure is less susceptible to the mud being accumulated by blocking, so reducing maintenance intensity without frequently cleaning dredging slot.
6, because collector pipe is double wall corrugated high-density polyethylene pipes, collector pipe has high-density polyethylene double-wall
The excellent in performance of bellows, double wall corrugated high-density polyethylene pipes are with critical external compressive resistance ability is strong, chemical stability is excellent, resistance to old
Change and strong, the outstanding deflection degree of resisting environmental stress and cracking ability, long service life, the low advantage of project cost；In addition, because
The outer wall of double wall corrugated high-density polyethylene pipes wave structure in a ring, so that the contact area of collector pipe and surrounding soil
Increase, keeps collector pipe stronger in the soil, and increase the infiltrating area of recharge water；By allowing collector pipe close to tiltedly
One end of plate filter structure is higher than collector pipe close to one end of dredging well, and the river water into collector pipe can be made by itself weight
Power effect, flows into dredging well from collector pipe, without consuming other power drive facilities, also, enters the mud in collector pipe
Sand can also be washed away by the river, and will not accumulate in collector pipe, reduce the man power and material of later maintenance.
7, by being equipped with filter membrane close to one end of labyrinth weir structure in inclined plate filter structure, can allow will enter tiltedly
The river water of plate filter structure is filtered, and the silt in river water is stopped by filter membrane, to prevent the blocking of inclined plate filter structure from providing
One protects again, moreover, can constantly be washed away by the river water in storage chamber by the silt that filter membrane stops, makes silt by river water
It washes away and gets off to deposit to the sediment siltation for avoiding in dredging slot and being stopped by filter membrane on filter membrane, make filter membrane and inclined plate
Filter device failure；By being equipped with filter membrane in one end far from labyrinth weir structure in inclined plate filter structure, on the one hand can allow
The river water that collector pipe will be entered further be filtered, on the other hand, be more avoided that filtrate in inclined plate filter structure because
It for the flowing of river water, and is flushed away, filter membrane also acts the effect that protection stops filtrate.
8, use one of geotextiles, plastic cloth or a variety of as filter membrane, make filter membrane that there is geotextiles strength
It is high, corrosion-resistant, water penetration is outstanding, antimicrobial advantage good, material is light, when using plastic cloth as filter membrane, filter membrane
It is good with plastic foil flexibility, be not easily broken, cheap advantage.
It 9, is 200-400g/m by using specification2Geotextiles, filter effect can be further increased.
Detailed description of the invention
Attached drawing 1 is a kind of sectional view of irrigation canals and ditches anti-clogging recharge filter device；
Attached drawing 2 is a kind of top view of irrigation canals and ditches anti-clogging recharge filter device；
Attached drawing 3 is the structural schematic diagram of inclined plate filter structure.
Description of symbols: 1- irrigation canals and ditches bottom surface, 2- dredging slot, 3- labyrinth weir structure, the inlet opening 4-, 5- irrigation canals and ditches slope, 6-
Inclined plate filter structure, 7- collection branch pipe, 8- dredging well, 9- fine filtering material, fine filtering material in 10-, 11- collector pipe, 12- bottom plate, 13-
Coarse media, 14- filter membrane, 15- filter plate one, 16- filter plate two, 17- storage chamber.
It is worth noting that, in the description of the present invention, term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Specific embodiment
For a better understanding of the present invention, the present invention will be further elaborated with reference to the accompanying drawing.
Embodiment 1:
A kind of irrigation canals and ditches anti-clogging recharge filter device, as depicted in figs. 1 and 2, including labyrinth weir structure 3, inclined plate filtering knot
Structure 6 and dredging well 8, labyrinth weir structure 3 are layed on irrigation canals and ditches slope 5, and labyrinth weir structure 3 includes multiple labyrinth weir monomers, labyrinth
Weir monomer includes filter plate 1 and filter plate 2 16, and filter plate 1 and filter plate 2 16 are equipped with multiple inlet openings 4, one 15 He of filter plate
Filter plate 2 16 and irrigation canals and ditches slope 5, which surround, forms storage chamber 17, and storage chamber 17 is vertically arranged along irrigation canals and ditches slope 5, inclined plate filtering knot
One end of structure 6 is connected to the storage chamber 17 of labyrinth weir structure 3, and inclined plate filter structure 6 passes through far from one end of labyrinth weir structure 3
Collector pipe 11 equipped with multiple limbers is connected to dredging well 8.Specifically, filter plate 1 and filter plate 2 16 are straight panel, filter plate
One 15 surround the storage chamber 17 for forming triangular prism shape with filter plate 2 16 and irrigation canals and ditches slope 5, the length direction of storage chamber 17 and hang down
It is directly parallel in the irrigation canals and ditches slope 5 on the irrigation canals and ditches section of irrigation canals and ditches water (flow) direction, as shown in Figure 1, dotted line ab represents the length of storage chamber 17
Spend direction.
The first, because labyrinth weir structure 3 is layed on irrigation canals and ditches slope 5, labyrinth weir structure 3 is not take up river area,
It will not influence water flow, no energy consumption, it is ensured that the safety and durability of the present apparatus.The second, because labyrinth weir monomer includes being all provided with
There are the filter plate 1 and filter plate 2 16 of multiple inlet openings 4, so the filter plate 1 and filter plate 2 16 that contact with river water can filter
River water, moreover, because the contact area of the labyrinth weir structure 3 and river water that are spliced to form by multiple labyrinth weir monomers is far longer than
5 area of irrigation canals and ditches slope covered by labyrinth weir structure 3, so setting labyrinth weir structure 3, increases drainage area, improve
Drainage amount and drainage rate, improve water filtration efficiency, also improve recharge efficiency, increase the increment of groundwater；Another party
Face, river water constantly wash away labyrinth weir structure 3, even if so that the silt in river water is fallen in labyrinth weir structure 3, it also can be by river water
It washes away, makes to be difficult to shoal materials in labyrinth weir structure 3, so preventing the generation of clogging, also avoid filtering effect
The bad phenomenon of rate；Also, the slope of irrigation canals and ditches be it is inclined, it is also inclination that labyrinth weir structure 3 on irrigation canals and ditches slope 5, which is arranged in,
, the silt fallen in labyrinth weir structure 3 can be slipped to irrigation canals and ditches from labyrinth weir structure 3 because of silt self gravitation effect
Bottom is also able to achieve the effect of dredging, is greatly improved filter efficiency, can prevent the clogging generated by sediment siltation.
Third, the present apparatus can recharge, can drain, collector pipe 11 can not only leak recharge groundwater, also act as the rental of water delivery, together
When be also used as the channel of sediment transport, the silt that the dredging well 8 being connected to collector pipe 11 can not only receive collector pipe to convey, and sink
Product arrives shaft bottom, can keep certain water-head with artificial pumping, current scour is made to fall the silt of 11 tube wall of collector pipe deposition, and
Shaft bottom is deposited to, timing is cleared up, and can effectively prevent blocking of the silt to collector pipe 11, and collector pipe 11 can be connected with each other
At pipe network, groundwater recharge supply effect is effectively raised, recharge of ground water range is expanded, cone of groundwater is restored
Play a significant role.
Further, as shown in figure 3, the inclined plate filter structure 6 is to stack the inclined plate pile formed by multiple inclined plates, tiltedly
It is parallel to each other between plate, inclined plate filter structure 6 is higher than inclined plate filter structure 6 far from labyrinth weir close to one end of labyrinth weir structure 3
One end of structure 3.Specifically, the front side of inclined plate filter structure 6 and rear side are equipped with baffle, inclined plate is fixedly connected with baffle, this
Sample setting can be such that multiple inclined plates and baffle are formed there are the inclined plate pile of cavity between inclined plate, and cavity is interior for filling filtrate.
Inclined plate in inclined plate filter structure 6 is connected to storage chamber 17.By be arranged inclined plate filter structure 6, can using lamina flow principle,
Filtration treatment ability is improved, because inclined plate filter structure 6 increases the filtering wetted perimeter of the cross-section of river, while reducing waterpower half
Diameter can substantially reduce Reynolds number thus in same horizontal flow velocity, to reduce the turbulent fluctuation of water, promote filtering；And
6 intensity of inclined plate filter structure is high, and rugged construction, inclined plate will not be deformed because of extruding, existing intensity, and can be filtered, and guarantees
Its filter efficiency and globality；By allowing inclined plate filter structure 6 to be higher than inclined plate filtering knot close to one end of labyrinth weir structure 3
The one end of structure 6 far from labyrinth weir structure 3 can make the river water into inclined plate filter structure 6 past from height by self gravitation effect
Low flowing, into collector pipe 11, without consuming other power drive devices.In addition, in order to improve inclined plate filter structure 6
Stability is prevented from burying to the inclined plate filter structure 6 of underground and be sunk, needs to be supported inclined plate filter structure 6, so
The lower section of inclined plate filter structure 6 is equipped with bottom plate 12, and inclined plate filter structure 6 is fixedly mounted on bottom plate 12.
Further, the inclined plate filter structure 6 is divided into upper layer inclined plate, middle layer inclined plate and lower layer from top to bottom
Inclined plate, upper layer inclined plate is interior to fill fine filtering material 9, and fine filtering material 9 is fine sand, fine filtering material 10 in the interior filling of middle layer inclined plate, middle fine filtering material 10
For middle fine sand, lower layer's inclined plate is interior to fill coarse media 13, and coarse media 13 is rough sand.By between the inclined plate of upper layer, middle layer inclined plate it
Between fill fine filtering material 9, middle fine filtering material 10 and coarse media 13 respectively between lower layer's inclined plate as filtrate, can adapt in irrigation canals and ditches
The river water characteristic that turbidity changes from small to big from shallow to deep is not easy to plug the inclined plate filter structure 6 for being filled with filtrate, improves this hair
The service life of bright device reduces the manpower and material resources of later maintenance cost.
Further, the D50 of the fine filtering material 9 is 2mm, and the D50 of middle fine filtering material 10 is 4mm, the D50 of coarse media 13
It is that filtrate sieves in sample particle composition for 6mm, D50, sieving weight adds up the largest particles diameter for 50%.
Further, the irrigation canals and ditches bottom surface 1 is equipped with dredging slot 2 close to the side of labyrinth weir structure 3.Dredging slot 2 is set,
The sand grain to settle down due to self gravity can be received, on the one hand, collect cleaning convenient for silt；In another aspect, setting
Dredging slot 2 is set, the depth for having deepened irrigation canals and ditches is equivalent to, so that the labyrinth weir structure 3 being located on irrigation canals and ditches slope 5 is less susceptible to be accumulated
Tired mud blocking, so reducing maintenance intensity without frequently cleaning dredging slot 2.
Further, the collector pipe 11 uses double wall corrugated high-density polyethylene pipes, and collector pipe 11 is filtered close to inclined plate
One end of structure 6 is higher than collector pipe 11 close to one end of dredging well 8.Because collector pipe 11 is high-density polyethylene double-wall corrugated
Pipe, so collector pipe 11 has the excellent in performance of double wall corrugated high-density polyethylene pipes, double wall corrugated high-density polyethylene pipes tool
There is the deflection degree that critical external compressive resistance ability is strong, chemical stability is excellent, ageing-resistant and resisting environmental stress and cracking ability is strong, outstanding, uses
Service life is long, the low advantage of project cost；It is leaned on by allowing collector pipe 11 to be higher than collector pipe 11 close to one end of inclined plate filter structure 6
One end of nearly dredging well 8 can be such that the river water into collector pipe 11 flows into out of collector pipe 11 clear by self gravitation effect
In silt well 8, without consuming other power drive facilities.Specifically, because inclined plate filter structure 6 is by multiple inclined plate stacking shapes
At so passing through in order to allow the river water in inclined plate filter structure 6 to import collector pipe 11 in the inclined plate of inclined plate filter structure 6
Collection branch pipe 7 is connected to collector pipe 11.
Further, the inclined plate filter structure 6 is in one end of close labyrinth weir structure 3 and inclined plate filter structure 6 remote
One end from labyrinth weir structure 3 is equipped with filter membrane 14, and filter membrane 14 is connect with inclined plate filter structure 6.Specifically, being by mistake
Filter membrane 14 wraps the both ends of inclined plate filter structure 6.By being equipped in inclined plate filter structure 6 close to one end of labyrinth weir structure 3
Filter membrane 14 can allow the river water that will enter inclined plate filter structure 6 to be filtered, and the silt in river water is hindered by filter membrane 14
Gear protects again to prevent the blocking of inclined plate filter structure 6 from providing one, moreover, can be by water storage by the silt of 14 gear of filter membrane resistance
River water in chamber 17 constantly washes away, and is washed out by river water silt and gets off to deposit in dredging slot 2, avoids and hindered by filter membrane 14
The sediment siltation of gear makes filter membrane 14 and inclined plate filter structure 6 fail on filter membrane 14；By existing in inclined plate filter structure 6
One end far from labyrinth weir structure 3 is equipped with filter membrane 14, on the one hand can obtain for that will enter the river water of collector pipe 11 into one
The filtering of step, on the other hand, be more avoided that filtrate in inclined plate filter structure 6 because river water flowing, and be flushed away, filter
Film 14 also acts the effect that protection stops filtrate.
Further, the filter membrane 14 is geotextiles.
Further, the specification of the geotextiles is 300g/m2。
Embodiment 2:
A kind of irrigation canals and ditches anti-clogging recharge filter device, structure composition is same as Example 1, the difference is that:
Wherein, the D50 of fine filtering material 9 is 1mm, and the D50 of middle fine filtering material 10 is 3mm, and the D50 of coarse media 13 is 5mm.Wherein
The specification of geotextiles is 200g/m2。
Embodiment 3:
A kind of irrigation canals and ditches anti-clogging recharge filter device, structure composition is same as Example 1, the difference is that: its
In, the D50 of fine filtering material 9 is 3mm, and the D50 of middle fine filtering material 10 is 5mm, and the D50 of coarse media 13 is 7mm.The wherein rule of geotextiles
Lattice are 400g/m2。
Embodiment 4:
A kind of irrigation canals and ditches anti-clogging recharge filter device, structure composition is same as Example 1, the difference is that: its
In, wherein the specification of geotextiles is 150g/m2。
Embodiment 5:
A kind of irrigation canals and ditches anti-clogging recharge filter device, structure composition is same as Example 1, the difference is that: its
In, wherein the specification of geotextiles is 450g/m2。
Embodiment 6:
The filter effect of fine filtering material 9, middle fine filtering material 10 and coarse media 13 in embodiment 1-3, as follows,
1 embodiment 1-3 fine filtering material of table, 9 filter effect and water amount contrast table
10 filter effect of fine filtering material and water amount contrast table in 2 embodiment 1-3 of table
3 embodiment 1-5 rough sand of table, 13 filter effect contrast table
According to table 1-3, it is known that, when the D50 of fine filtering material 9 is 2mm, filter effect and water amount are outstanding, when thin
When the D50 of filtrate 9 is 1mm, although filter effect is more preferable, water amount is small, when the D50 of fine filtering material 9 is 3mm, although
Water amount is bigger, but filter effect reduces；When the D50 of fine filtering material 10 is 4mm in the middle, filter effect and water amount are equal
Outstanding, when the D50 of fine filtering material 10 is 3mm in the middle, although filter effect is more preferable, water amount is small, in the middle fine filtering material 10
When D50 is 5mm, although water amount is bigger, filter effect is reduced；When the D50 of coarse media 13 is 4mm, filtering
Effect and water amount are outstanding, and when the D50 of coarse media 13 is 5mm, although filter effect is more preferable, water amount is small, when
When the D50 of coarse media 13 is 7mm, although water amount is bigger, filter effect is reduced.
4 embodiment 1-5 geotextiles filter effect contrast table of table
| Specification (g/m2) | 150 | 200 | 300 | 400 | 450 |
| Filter effect | Well | It is outstanding | It is outstanding | It is outstanding | Well |
According to table 4, the specification of geotextiles is 200-400g/m2When, the filter effect of geotextiles is more preferable.
The above is only the preferred embodiment of the present invention, it is noted that for the researcher of this field, is not taking off
Under the premise of from the present invention, several improvement can be made, these improvement all belong to the scope of protection of the present invention.
Claims (9)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811073029.7A CN109183720B (en) | 2018-09-14 | 2018-09-14 | A ditch anti-clogging recharge filter device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811073029.7A CN109183720B (en) | 2018-09-14 | 2018-09-14 | A ditch anti-clogging recharge filter device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707007A (en) * | 2019-01-14 | 2019-05-03 | 济南大学 | A self-seepage, reverse filtration and recharge system applied to river channels |
| CN109707006A (en) * | 2019-01-14 | 2019-05-03 | 济南大学 | A fork-type anti-siltation and recharge system applied to river channels |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101207972B1 (en) * | 2012-05-11 | 2012-12-04 | 서용섭 | Filtering system for artificial recharge |
| CN104196005A (en) * | 2014-08-26 | 2014-12-10 | 济南大学 | Efficient and anti-blocking water-bearing stratum supply device |
-
2018
- 2018-09-14 CN CN201811073029.7A patent/CN109183720B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101207972B1 (en) * | 2012-05-11 | 2012-12-04 | 서용섭 | Filtering system for artificial recharge |
| CN104196005A (en) * | 2014-08-26 | 2014-12-10 | 济南大学 | Efficient and anti-blocking water-bearing stratum supply device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707007A (en) * | 2019-01-14 | 2019-05-03 | 济南大学 | A self-seepage, reverse filtration and recharge system applied to river channels |
| CN109707006A (en) * | 2019-01-14 | 2019-05-03 | 济南大学 | A fork-type anti-siltation and recharge system applied to river channels |
| CN109707006B (en) * | 2019-01-14 | 2024-04-02 | 济南大学 | Shifting fork type silt-preventing recharging system applied to river channel |
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