CN104110053B - Inside and outside water inlet is from oozing anti-filter recharge well wellhead assembly - Google Patents
Inside and outside water inlet is from oozing anti-filter recharge well wellhead assembly Download PDFInfo
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- CN104110053B CN104110053B CN201410367294.1A CN201410367294A CN104110053B CN 104110053 B CN104110053 B CN 104110053B CN 201410367294 A CN201410367294 A CN 201410367294A CN 104110053 B CN104110053 B CN 104110053B
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Abstract
A kind of inside and outside water inlet, from oozing anti-filter recharge well wellhead assembly, belongs to water conservation technical field.Wellhead assembly comprises well lid and is fixedly installed on the geotechnical fibre filter layer outside well lid, it is characterized in that, described well lid is made up of with the well lid bottom being embedded in below ground at the bottom of river bed or canal the well lid top of the band water inlet arranged in hollow ring body groove, well lid entirety is the bottomless cylinder of hollow, and the hollow ring body groove that described well lid center upper portion is provided with has bottom land; Inside well lid upper outside, hollow ring body groove and bottom land be equipped with circular water inlet; Described well lid bottom is waterproof body; Described geotechnical fibre filter layer to be arranged at outside well lid and with well lid outside and the shape of hollow ring body groove match.This device, when wellhead assembly appearance and size is constant, can significantly improves and recharge pond conveyance capacity, anti-silting impact resistance, extend the application life of recharging pond.
Description
Technical field
The present invention relates to a kind of recharge well recharged for self-leak type free groundwater, particularly a kind of inside and outside water inlet is from oozing anti-filter recharge well wellhead assembly, belongs to water conservation technical field.
Background technology
The how water conservation or how to prevent the inwelling caused because of exhaustive exploitation underground water from being the key subjects of restriction local people life and economic development in coastal area in the area of some lack of water, and the means solving this problem are except strengthening people's consciousness of saving water, effectively utilizing rain-flood resources is also one of important measures.
In order to make full use of rain-flood resources, in the ephemeral stream not having pollution or light contamination, usually arrange a kind of recharge well self with particulate contamination function in filtered water, namely from oozing recharge well, also known as anti-filter recharge well, machine seepage well.Current employing certainly ooze anti-filter recharge well by recharging pond and common recharge well forms, wherein recharging pond and be usually embedded in underground, is the shape of falling Sifangtai or circle, dark about 1m, Cast-in-situ Piles in Sand-filling, rubble two-stage filter material in pond, for filtering river and being recharged by river in recharge well; Recharge well is positioned at and recharges in the middle of bottom pond, and be columned cavity, its well head adds a cover the perforated concrete well cover of a band, river is in time recharging above pond, gather via sand, the infiltration of rubble two-stage filter material, enter in recharge well by eyelet on concrete well cover, realize water conservation and recharge.But, thisly from oozing recharge well Problems existing be: 1, certainly ooze recharge well and be placed at the bottom of river bed or canal, very easily silting and being washed out by current, affect application life; 2, recharge pond and be embedded in underground, only recharge pond end face one and freely to intake section, for ensureing enough amounts of recharging, recharging pond needs larger cross sectional area, and great in constructing amount; What 3, construction one was common recharges pond needs to backfill 10m
3sand, the rubble of left and right, consume a large amount of constructional materials; 4, the use of concrete well cover have impact on the amount of recharging; 5, only have end face to intake, the water recharge capacity of recharge well is low.These defects have had a strong impact on the result of use of recharge well, do not play its water conservation usefulness to greatest extent.
Chinese patent 201220458416.4 discloses the water inlet of a kind of multiaspect from oozing anti-filter recharge well wellhead assembly, it on recharge well, is provided with one cover in wellhead assembly above well head, and described wellhead assembly comprises well lid and is fixedly installed on the geotechnical fibre filter layer outside well lid; Described well lid is made up of the top cover in band top cover aperture and the rigid side wall that is vertically connected at top cover surrounding; Described sidewall is made up of superposed sidewall meshed portion and the sidewall non-porous sections being positioned at bottom, geotechnical fibre filter layer by top cover and sidewall meshed portion coated, sidewall non-porous sections bottom is embedded in below ground at the bottom of river bed or canal, sidewall non-porous sections middle and upper part is exposed, and the top cover upper surface of described well lid is inclined plane.This device section solves above-mentioned prior art Problems existing, and there is larger section of freely intaking, prevent the function of low water stage waste water injection, and there is certain anti-filter function and certain anti-silting impact resistance, extend the application life of recharging pond, be easy to construction simultaneously, and save sandstone filter material.
But, because most of rainfall belongs to shower, rainwater overcurrent time in river is short, only rely on the permeable hole on top cover and sidewall cannot meet the needs of the amount of recharging, researcher also attempts the size of increase permeable hole to increase water amount, but the size of permeable hole increases, not only reduce the intensity of wellhead assembly, and higher requirement be it is also proposed to the intensity of geotechnical fibre filter layer, otherwise sandstone very easily damage geotechnical fibre filter layer to the impact of geotechnical fibre filter layer, the sandstone entering recharge well can cause recharge well water seepage function to reduce; Also the technician had attempts the quantity of the permeable hole increasing wellhead assembly, and the quantity increasing permeable hole will certainly reduce the size of permeable hole, although can solve the strength problem of wellhead assembly, the amount of recharging entirety reduces; Therefore improve intensity and the reliability of the amount of recharging and guarantee wellhead assembly in this area, be that impact is from the bottleneck oozing recharge well scale development always.
Summary of the invention
In order to solve above-mentioned bottleneck problem, the invention provides a kind of inside and outside water inlet from oozing anti-filter recharge well wellhead assembly, this device, when wellhead assembly appearance and size is constant, can significantly improves and recharge pond conveyance capacity, anti-silting impact resistance, extend the application life of recharging pond.
The technical solution adopted for the present invention to solve the technical problems is:
Inside and outside this kind, water inlet is from oozing anti-filter recharge well wellhead assembly, described wellhead assembly comprises well lid and is fixedly installed on the geotechnical fibre filter layer outside well lid, it is characterized in that, described well lid is made up of with the well lid bottom being embedded in below ground at the bottom of river bed or canal the well lid top of the band water inlet arranged in hollow ring body groove, well lid entirety is the bottomless cylinder of hollow, and the hollow ring body groove that described well lid center upper portion is provided with has bottom land; Inside well lid upper outside, hollow ring body groove and bottom land be equipped with circular water inlet; Described well lid lower sides is waterproof body; Described geotechnical fibre filter layer to be arranged at outside well lid and with well lid outside and the shape of hollow ring body groove match.
Owing to being provided with hollow ring body groove, inside well lid upper outside, hollow ring body groove and bottom land be equipped with circular water inlet, make water inlet area account for well lid outer surface is long-pending reaches 35% when wellhead assembly appearance and size is constant, water inlet area improves greatly, circular water inlet not only good manufacturability, and make well lid good rigidly; Well lid bottom is waterproof body, can prevent the rain flood initial stage, low discharge, surface water that water quality is relatively poor recharges aquifer.
Described hollow ring body groove is square body, can be cuboid or square, this scheme not only good manufacturability, and hollow cavity volume is large, is conducive to the water inlet resistance reducing water inlet.
Described hollow ring body groove is cylinder, and this scheme, due to cylindrical disc, can reduce current or sandstone further to the impact of well lid, the life-span of wellhead assembly is improved further.
Described well lid is cone table, and outside, this scheme has good stability relative to square body in the side, inclined-plane of described cone table, also can reduce current or sandstone to the impact of well lid.
The bottom land of described hollow ring body groove is flat, and this project plan comparison is easily produced.
Arrange a setting-out mechanism in described hollow ring body groove, described setting-out mechanism comprises the horizontal stand be fixed on hollow ring body groove inside wall, sets a upper bearing (metal) in described support; In the bottom land through hole of hollow ring body groove, set a lower bearing concentric with upper bearing (metal), a vertical shaft is by after described upper bearing (metal) and lower bearing, and connection upper end, vertical shaft upper end blade, vertical shaft lower end connects the lower end blade flowed to as towards recharge well shaft bottom.Blade rotatable lower end blade synchronization that drives under flow action in upper end is rotated, and the flow direction due to lower end blade is towards recharge well shaft bottom, therefore exerts pressure downwards to the water entered in recharge well, accelerates to recharge speed, is conducive to raising and recharges efficiency.
The bottom land of described hollow ring body groove is at the bottom of reclinate arc, relative to flat, can increase inflow-rate of water turbine and adapt to low water stage river.
The height that ground at the bottom of river bed or canal is exposed on described well lid top is 0.2 ~ 0.5m, and the river that wellhead assembly can be made thus to be applicable to is wider, and obtains and best recharge effect, improves the steadiness of wellhead assembly simultaneously.
Described well lid top has along current direction and the gradient is the inclined-plane of 1%, can reduce current or sandstone to the impact at well lid top and friction, favourable to the life-span of improving wellhead assembly, also can prevent low water stage waste water injection simultaneously.
Based on such scheme, the invention has the beneficial effects as follows:
This device self has the dual-use function that in filtered water, granule foreign and surface water recharge, except well lid end face, outside lateral surface water inlet, medial surface and the bottom surface of hollow ring body groove also can intake, water permeable area is larger, make water inlet area account for well lid outer surface is long-pending reaches 35% when wellhead assembly appearance and size is constant, increase the amount of recharging, and there is the function preventing low water stage waste water injection, also there is anti-filter function and certain anti-silting impact resistance, extend the application life of recharging pond, construction costs and commonly recharge pond quite or slightly high, but can reduce under the condition of the amount of recharging equally and recharge pond volume, the occupation of land of more than 3/4 can be saved.
More outstanding is, the power that the pressing mechanism that the present invention is arranged utilizes current to provide on the one hand is to drive lower blade, the water entered in recharge well is exerted pressure downwards, moisture is overcome only relies on gravity by the resistance of sandstone filler and soil particle, improve the infiltration capacity of unit interval, improve and recharge efficiency; On the other hand, because the flow of river and flow velocity have intermittence, the lower blade of pressing mechanism is caused also to present suddenly big or suddenly small form to the downward applied pressure of the water entered in recharge well thus, this is unimpeded very important for the passage of water kept between sandstone filler and soil particle, and the suddenly big or suddenly small pressure of this applying is simultaneously for improving the permeability of soil compared to not applying pressure or providing the pressure result of continued for constant all outstanding.
Therefore, the invention solves this area and improve the amount of recharging and ensure the intensity of wellhead assembly and the long-standing problem of reliability, solving intermittent river and recharge problem fast, laying a good foundation for certainly oozing recharge well scale development.
Accompanying drawing explanation
Further illustrate invention below in conjunction with drawings and Examples, the present invention has square cross section, circular cross sections and three kinds, taper type cross section.
Fig. 1 is the schematic three dimensional views of square wellhead assembly;
Fig. 2 is the vertical cross section schematic diagram of square wellhead assembly;
Fig. 3 is the horizontal profile A-A cross section, top of the square wellhead assembly of Fig. 2;
Fig. 4 is square ring body horizontal profile B-B cross section of the square wellhead assembly of Fig. 2;
Fig. 5 is square ring body horizontal profile C-C cross section of the square wellhead assembly of Fig. 2;
Fig. 6 is cube horizontal profile D-D cross section of the square wellhead assembly of Fig. 2;
Fig. 7 is the side vertical cross section E-E cross section of the square wellhead assembly of Fig. 3;
Fig. 8 is the side vertical cross section F-F cross section of the square wellhead assembly of Fig. 3.
Fig. 9 is the schematic three dimensional views of circular wellhead assembly;
Figure 10 is the vertical cross section schematic diagram of circular wellhead assembly;
Figure 11 is the horizontal profile A-A cross section, top of the circular wellhead assembly of Figure 10;
Figure 12 is torus horizontal profile B-B cross section of the circular wellhead assembly of Figure 10;
Figure 13 is cylinder horizontal profile C-C cross section of the circular wellhead assembly of Figure 10;
Figure 14 is cylinder horizontal profile D-D cross section of the circular wellhead assembly of Figure 10;
Figure 15 is circular wellhead assembly well lid lateral side view;
Figure 16 is circular wellhead assembly well lid medial side view.
Figure 17 is the schematic three dimensional views of taper type wellhead assembly;
Figure 18 is the vertical cross section schematic diagram of taper type wellhead assembly;
Figure 19 is the horizontal profile A-A cross section, top of Figure 18 taper type wellhead assembly;
Figure 20 is truncated rectangular pyramids horizontal profile B-B cross section of the top hollow of Figure 18 taper type wellhead assembly;
Figure 21 is truncated rectangular pyramids horizontal profile C-C cross section, bottom of Figure 18 taper type wellhead assembly;
Figure 22 is truncated rectangular pyramids horizontal profile D-D cross section, bottom of Figure 18 taper type wellhead assembly;
Figure 23 is the side vertical cross section E-E cross section of Figure 19 taper type wellhead assembly;
Figure 24 is the side vertical cross section F-F cross section of Figure 19 taper type wellhead assembly;
Figure 25 is the embodiment of band pressure water structure of the present invention.
In figure: 1 well lid, 11 well lid tops, 12 well lid bottoms, 3 geotechnical fibre filter layers, 4 well lid end face water inlets, 5 well lid lateral wall water inlets, 6 well lid inside wall water inlets, 7 bottom land water inlets, 8 recharge wells, 9 recharge well filter materials, ground at the bottom of 10 river bed or canal, 201 turbine blades, 202 supports, 203 upper bearing (metal)s, 204 lower bearings, 205 vertical shafts, 206 axial flow pump blade inners 206.
Detailed description of the invention
Inside and outside water inlet is from oozing anti-filter recharge well wellhead assembly, and wellhead assembly comprises: well lid and the geotechnical fibre filter layer be fixedly installed on outside well lid.
Well lid top and the well lid bottom composition being embedded in below ground at the bottom of river bed or canal of described well lid band water inlet, well lid entirety is the bottomless cylinder of hollow.Well lid center upper portion is provided with the hollow ring body groove of band bottom land, is equipped with circular water inlet at well lid upper outside, hollow ring body groove inside wall and bottom land.Well lid bottom is waterproof body.Geotechnical fibre filter layer to be arranged at outside well lid and with well lid outside and the shape of hollow ring body groove match.
Owing to being provided with the hollow ring body groove of band bottom land, circular water inlet is equipped with at well lid upper outside, hollow ring body groove inside wall and bottom land, make water inlet area account for well lid outer surface is long-pending reaches 35% when wellhead assembly appearance and size is constant, and water inlet area improves greatly.Described well lid lower sides is waterproof body, can prevent the rain flood initial stage, low discharge, surface water that water quality is relatively poor recharges aquifer.Described geotechnical fibre filter layer to be arranged at outside well lid and to match with the shape of hollow ring body groove, and geotechnical fibre filter layer can be made to be combined closely with hollow ring body groove, improves the geotechnical fibre filter layer life-span.Circular water inlet not only good manufacturability, and make well lid good rigidly.
Fig. 1-8 is first embodiment of the invention.In this embodiment:
Fig. 1 is the schematic three dimensional views of square wellhead assembly;
Fig. 2 is the vertical cross section schematic diagram of square wellhead assembly;
Fig. 3 is the horizontal profile A-A cross section, top of the square wellhead assembly of Fig. 2;
Fig. 4 is square ring body horizontal profile B-B cross section of the square wellhead assembly of Fig. 2;
Fig. 5 is square ring body horizontal profile C-C cross section of the square wellhead assembly of Fig. 2;
Fig. 6 is cube horizontal profile D-D cross section of the square wellhead assembly of Fig. 2;
Fig. 7 is the side vertical cross section E-E cross section of the square wellhead assembly of Fig. 3;
Fig. 8 is the side vertical cross section F-F cross section of the square wellhead assembly of Fig. 3.
In Fig. 1-8, this kind of wellhead assembly, relates to recharge well 8 and wellhead assembly thereof, and wellhead assembly covers in above recharge well 8, is provided with recharge well filter material 9 in the outside of recharge well 8, and described recharge well 8 is positioned at ground less than 10 at the bottom of river bed or canal.
Wellhead assembly comprises well lid 1 and geotechnical fibre filter layer 3.
The well lid top 11 of described well lid 1 with water inlet forms with the well lid bottom 12 being embedded in below ground at the bottom of river bed or canal, and well lid 1 entirety is hollow bottomless four sides cylinder, and its horizontal section can be square, also can be rectangle.Well lid 1 center upper portion is provided with the hollow ring body groove of band bottom land, is provided with circular water inlet, i.e. well lid end face water inlet 4 and well lid lateral wall water inlet 5 in well lid upper outside; Be equipped with circular water inlet at well upper part of the cover hollow ring body groove inside wall and bottom land, and correspond to well lid inside wall water inlet 6 and bottom land water inlet 7.Well lid bottom 12 is waterproof body.
Geotechnical fibre filter layer 3 to be arranged at outside well lid and with well lid outside and the shape of hollow ring body groove match.Geotechnical fibre filter layer 3 is made up of the geotextile with anti-filter function, match with well lid outer shape, top is had not have the end, can be enclosed within well lid, and be fixed on well lid sidewall bottom position, cover the part with water inlet, comprise the sidewall and bottom land that cover hollow ring body groove, filtration.
Owing to being provided with the hollow ring body groove of band bottom land, circular water inlet is equipped with at well lid upper outside, hollow ring body groove inside wall and bottom land, make water inlet area account for well lid outer surface is long-pending reaches 35% when wellhead assembly appearance and size is constant, and water inlet area improves greatly.Described well lid bottom is waterproof body, can prevent the rain flood initial stage, low discharge, surface water that water quality is relatively poor recharges aquifer.Described geotechnical fibre filter layer to be arranged at outside well lid and to match with the shape of hollow ring body groove, and geotechnical fibre filter layer can be made to be combined closely with hollow ring body groove, improves the geotechnical fibre filter layer life-span.Circular water inlet not only good manufacturability, and make well lid good rigidly.
Described well lid top has along current direction and the gradient is the inclined-plane of 1%, can reduce current or sandstone to well lid top impact and friction, favourable to the life-span of improving wellhead assembly, also can prevent low water stage waste water injection simultaneously.
The material of well lid 1 can adopt hard plastics or metal material etc., and entirety is the bottomless cuboid of hollow or cubical cylinder.The buried height of well lid 1 should be able to ensure the stability of well lid, and the height that ground at the bottom of river bed or canal is exposed on the top of wellhead assembly is 0.2 ~ 0.5m, and the river that wellhead assembly can be made thus to be applicable to is wider, improves the steadiness of wellhead assembly simultaneously.
Bottom land is flat, and this project plan comparison is easily produced.Certainly also can be at the bottom of reclinate arc, relative to flat, inflow-rate of water turbine can be increased and adapt to low water stage river.
During construction, the first step beats recharge well 8 according to a conventional method, settles concrete filter pipe (main body of recharge well 8), filling recharge well filter material 9 outside concrete filter pipe, and carries out the techniques such as well-flushing, complete the construction of recharge well; Second step adopts the method for prefabricated or outer committee processing customized, manufactures wellhead assembly and geotechnical fibre filter layer 3; 3rd step adopt dig, lift, fill out, the method for compacting, wellhead assembly is fixed on recharge well desired location; Geotechnical fibre filter layer 3 is placed on well lid 1 by the 4th step, covers the part of all fenestrated, and is fixed by geotechnical fibre filter layer 3 in well lid bottom with pressing plate, steel nail etc.
This scheme, except having foregoing advantages of the present invention, also has good manufacturability, and hollow cavity volume is large, is conducive to the advantage of the water inlet resistance reducing water inlet.
Fig. 9-16 is second embodiment of the invention.In this embodiment:
Fig. 9 is the schematic three dimensional views of circular wellhead assembly;
Figure 10 is the vertical cross section schematic diagram of circular wellhead assembly;
Figure 11 is the horizontal profile A-A cross section, top of the circular wellhead assembly of Figure 10;
Figure 12 is torus horizontal profile B-B cross section of the circular wellhead assembly of Figure 10;
Figure 13 is cylinder horizontal profile C-C cross section of the circular wellhead assembly of Figure 10;
Figure 14 is cylinder horizontal profile D-D cross section of the circular wellhead assembly of Figure 10;
Figure 15 is circular wellhead assembly well lid lateral side view;
Figure 16 is circular wellhead assembly well lid medial side view.
This scheme is from the different of the first embodiment: well lid 1 entirety is the bottomless cylinder of hollow, hollow ring body groove is also cylinder, this scheme, due to cylindrical disc, can reduce current or sandstone further to the direct impact of well lid lateral surface, the life-span of wellhead assembly is improved further.
Figure 17-24 is third embodiment of the invention.In this embodiment:
Figure 17 is the schematic three dimensional views of taper type wellhead assembly;
Figure 18 is the vertical cross section schematic diagram of taper type wellhead assembly;
Figure 19 is the horizontal profile A-A cross section, top of Figure 18 taper type wellhead assembly;
Figure 20 is truncated rectangular pyramids horizontal profile B-B cross section of the top hollow of Figure 18 taper type wellhead assembly;
Figure 21 is truncated rectangular pyramids horizontal profile C-C cross section, bottom of Figure 18 taper type wellhead assembly;
Figure 22 is truncated rectangular pyramids horizontal profile D-D cross section, bottom of Figure 18 taper type wellhead assembly;
Figure 23 is the side vertical cross section E-E cross section of Figure 19 taper type wellhead assembly;
Figure 24 is the side vertical cross section F-F cross section of Figure 19 taper type wellhead assembly.
This scheme is from the different of the first embodiment: well lid 1 entirety is the bottomless cone table of hollow, hollow ring body groove is square or cuboid, the side, inclined-plane of the cone table of well lid 1 outside, has good steadiness relative to the first embodiment, also can reduce current or sandstone to the impact of well lid simultaneously.
Figure 25 gives the present invention the another kind of embodiment with setting-out mechanism, can be embodied on circle or square structure.
Arrange a setting-out mechanism in described hollow ring body groove, described setting-out mechanism comprises the horizontal stand 202 be fixed on hollow ring body groove inside wall, sets a upper bearing (metal) 203 in described support 202; Described support 202 can have various structures form, and such as upper bearing (metal) is set at middle part, and periphery is connected as a single entity by the well lid 1 of multiple connecting rod or junction plate and left antithesis body and right antithesis body, to support setting-out mechanism.
At the bottom land of hollow ring body groove except being provided with inlet opening, also be provided with a lower bearing and through hole is installed, the lower bearing 204 of one and upper bearing (metal) concentric is set in this through hole, one vertical shaft 205 is by after described upper bearing (metal) 203 and lower bearing 204, vertical shaft upper end is by connecting upper end blade 201 after geotechnical fibre filter layer 3, and vertical shaft lower end connects the lower end blade 206 flowed to as towards recharge well shaft bottom.Lower end blade 206 adopts axial flow pump blade inner, and upper end blade 201 adopts turbine blade, and the two is prior art.
Upper end blade 201 rotates and drives lower end blade 206 synchronous axial system via vertical shaft 205 under flow action, the flow direction due to lower end blade is the direction towards recharge well shaft bottom, therefore the water entered in recharge well is exerted pressure downwards, speed is recharged in acceleration, be conducive to raising and recharge efficiency, this recharges remarkably productive for ephermeral stream (rainwater).
The connecting rod of setting-out mechanism or junction plate can be exposed.
The connecting rod of setting-out mechanism or junction plate also can utilize geotechnical fibre filter layer 3 coated, in such cases, should between connecting rod or junction plate and the both-side opening place of elongated slot set up multiple support bars for supporting geotechnical fibre filter layer, on the connecting rod that support bar can be connected to setting-out mechanism or junction plate, also can be connected on well lid 1, it prevents geotechnical fibre filter layer from sinking.This clad structure, can reduce the bottom aggradation of sandstone at hollow ring body groove, thus affects the normal work of vertical shaft, improves the reliability of setting-out institution staff.
For the present invention, also can be applicable to platform shape configuration aspects, with above-mentioned circle or square principle identical with basic structure, repeat no more.
When implementing above-mentioned setting-out mechanism, the bottom land of hollow ring body groove is preferably flat, is convenient to like this install lower bearing.When allowing, when the bottom land of hollow ring body groove is arc, also can implement.
Certainly, the present invention is not limited to the limited range of above-described embodiment.Such as, the hollow ring body groove of the first embodiment and the 3rd embodiment can be cylinder, and the hollow ring body groove of the second embodiment can be square or cuboid etc.The improvement of any adaptation carried out on basis of the present invention, does not all depart from thought of the present invention, all falls in the scope of protection of the invention.
Except the technical characteristic described in manual, be the known technology of those skilled in the art.
Claims (7)
1. inside and outside one kind water inlet from oozing anti-filter recharge well wellhead assembly, described wellhead assembly comprises well lid and is fixedly installed on the geotechnical fibre filter layer outside well lid, it is characterized in that, described well lid is made up of with the well lid bottom being embedded in below ground at the bottom of river bed or canal the well lid top of the band water inlet arranged in hollow ring body groove, well lid entirety is the bottomless cylinder of hollow, and the hollow ring body groove that described well lid center upper portion is provided with has bottom land; Inside well lid upper outside, hollow ring body groove and bottom land be equipped with circular water inlet; Described well lid bottom is waterproof body; Described geotechnical fibre filter layer to be arranged at outside well lid and with well lid outside and the shape of hollow ring body groove match; The bottom land of described hollow ring body groove is flat; Arrange a setting-out mechanism in described hollow ring body groove, described setting-out mechanism comprises the horizontal stand be fixed on hollow ring body groove inwall, sets a upper bearing (metal) in described support; In the bottom land through hole of hollow ring body groove, set a lower bearing concentric with upper bearing (metal), a vertical shaft is by after described upper bearing (metal) and lower bearing, and connection upper end, vertical shaft upper end blade, vertical shaft lower end connects the lower end blade flowed to as towards recharge well shaft bottom.
2. inside and outside water inlet according to claim 1 is from oozing anti-filter recharge well wellhead assembly, and it is characterized in that, described hollow ring body groove is square body.
3. inside and outside water inlet according to claim 1 is from oozing anti-filter recharge well wellhead assembly, and it is characterized in that, described hollow ring body groove is cylinder.
4. inside and outside water inlet according to claim 1 is from oozing anti-filter recharge well wellhead assembly, and it is characterized in that, described hollow ring body groove is cone table.
5. according to Claims 1-4 one of any described inside and outside water inlet from oozing anti-filter recharge well wellhead assembly, it is characterized in that, the bottom land of described hollow ring body groove is at the bottom of reclinate arc.
6. inside and outside water inlet according to claim 1 is from oozing anti-filter recharge well wellhead assembly, and it is characterized in that, the height that ground at the bottom of river bed or canal is exposed on described well lid top is 0.2 ~ 0.5m.
7. inside and outside water inlet according to claim 1 is from oozing anti-filter recharge well wellhead assembly, and it is characterized in that, described well lid top has along current direction and the gradient is the inclined-plane of 1%.
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CN2440843Y (en) * | 2000-09-22 | 2001-08-01 | 王大港 | Environment protecting color multifunctional rubber plastic manhole cover |
ITVR20030050U1 (en) * | 2003-10-15 | 2005-04-16 | Dakota Metal Plastic Works Llc | MODULAR CHANNEL PROVIDED WITH MEANS THAT ALLOW THE QUICK RELEASE AND RELEASE OF ADDITIONAL COMPONENTS THAT COMPLETE IT |
JP4202899B2 (en) * | 2003-11-19 | 2008-12-24 | 株式会社オキナヤ | Fixing method for existing lid and drill device used for this fixing method |
CN100574841C (en) * | 2005-01-06 | 2009-12-30 | 蔡应麟 | Hand-held shower head with filter replacement warning device |
CN2784460Y (en) * | 2005-04-28 | 2006-05-31 | 孙海军 | High-covered, multi-porous and double-layered deep recharge well |
CN201351304Y (en) * | 2008-12-24 | 2009-11-25 | 冯柏有 | Concave-down type pressure-reducing well grate |
CN101476335A (en) * | 2009-01-21 | 2009-07-08 | 杜永胜 | Energy-saving emission-reduction environment-friendly sanitary waterproof airtight and fire resistant well loop, well cover and its implementing method |
CN102359148B (en) * | 2011-10-14 | 2013-05-15 | 济南大学 | Circular self-seepage recharge well head assembly |
CN204080932U (en) * | 2014-07-29 | 2015-01-07 | 济南大学 | Inside and outside water inlet is from oozing anti-filter recharge well wellhead assembly |
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