CN104141328B - Platform shape dual formula is from oozing anti-filter recharge well wellhead assembly - Google Patents
Platform shape dual formula is from oozing anti-filter recharge well wellhead assembly Download PDFInfo
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- CN104141328B CN104141328B CN201410368045.4A CN201410368045A CN104141328B CN 104141328 B CN104141328 B CN 104141328B CN 201410368045 A CN201410368045 A CN 201410368045A CN 104141328 B CN104141328 B CN 104141328B
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Abstract
A kind of platform shape dual formula is from oozing anti-filter recharge well wellhead assembly, belong to water conservation technical field, wellhead assembly comprises hard well lid, geotechnical fibre filter layer and pressing mechanism, well lid is made up of well lid top and well lid bottom, well lid entirety is the bottomless taper type cylinder of hollow, and well lid top is divided into symmetrical platform shape left antithesis body and right antithesis body by the elongated slot that well lid center upper portion is provided with; Circular water inlet is equipped with at the bottom land of left antithesis body and the external table of right antithesis and elongated slot; Elongated slot direction is consistent with water (flow) direction; Geotechnical fibre filter layer is arranged at outside well lid and with the shape of elongated slot and matches.Pressing mechanism comprises vertical shaft and blade, and blade rotatable lower end blade synchronization that drives under flow action in upper end is rotated, and lower end blade is exerted pressure downwards to the water entered in recharge well, accelerates to recharge speed.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 platform shape dual formula 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 platform shape dual formula 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:
This kind of platform shape dual formula is from oozing anti-filter recharge well wellhead assembly, described wellhead assembly comprises hard 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 of a pair setting in dual formula, well lid entirety is the bottomless up-small and down-big taper type cylinder of hollow, well lid top is divided into symmetrical two parts by the elongated slot that described well lid center upper portion is provided with, and forming horizontal section is rectangular mesa-shaped left antithesis body and right antithesis body; Circular water inlet is equipped with at the bottom land of left antithesis body and the external table of right antithesis and elongated slot; Described well lid bottom is waterproof body; Described elongated slot direction is consistent with water (flow) direction; Described geotechnical fibre filter layer is arranged at outside well lid and with the shape of elongated slot and matches.Arrange a setting-out mechanism in described elongated slot, described setting-out mechanism comprises the horizontal stand be fixed on left antithesis body and right antithesis body, sets a upper bearing (metal) in described support; In the bottom land through hole of elongated slot, 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.Turbine blade rotatable tape under flow action moves axial flow pump blade inner synchronous axial system, and the flow direction due to axial flow pump blade inner 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.
Owing to being provided with left antithesis body, right antithesis body and elongated slot, and be equipped with circular water inlet at the bottom land of left antithesis body and the external table of right antithesis and elongated slot, make water inlet area account for well lid outer surface is long-pending reaches 30% 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; Elongated slot direction is consistent with water (flow) direction also reduces current or sandstone to the impact of well lid, and the life-span of wellhead assembly is improved.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 left antithesis body and right antithesis body are cone table, and the both sides of left antithesis body and right antithesis body are inclined-plane.This scheme is that cuboid has good rigidity relative to left antithesis body and right antithesis body, also can reduce current or sandstone to the impact of well lid.
The bottom land of described elongated slot is flat, and this project plan comparison is easily produced.
The bottom land of described elongated slot 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, improves the steadiness of wellhead assembly simultaneously.
Described well lid top and the bottom land of elongated slot all have along current direction and the gradient is the inclined-plane of 1%, current or the sandstone bottom land to well lid top and elongated slot can be reduced impact 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, elongated slot medial surface and bottom surface also can intake, make water inlet area account for well lid outer surface is long-pending reaches 30% 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.
The invention solves this area 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
Below in conjunction with drawings and Examples, invention is further illustrated.
Fig. 1 is the schematic three dimensional views of dual formula platform shape;
Fig. 2 is the vertical cross section schematic diagram of dual formula platform shape;
Fig. 3 is the horizontal profile A-A cross section, top of Fig. 2 dual formula platform shape;
Fig. 4 is dual formula semicylinder horizontal profile B-B cross section of Fig. 2 dual formula platform shape;
Fig. 5 is cylinder horizontal profile C-C cross section of Fig. 2 dual formula platform shape;
Fig. 6 is cylinder horizontal profile D-D cross section of Fig. 2 dual formula platform shape;
Fig. 7 is the side vertical cross section E-E cross section of Fig. 3 dual formula platform shape well lid;
Fig. 8 is that dual formula platform shape well lid lateral surface launches view.
Fig. 9 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
Platform shape dual formula 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.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 of a pair setting in dual formula, and well lid entirety is the bottomless frustum cylinder of hollow.Well lid top is divided into symmetrical two parts by the elongated slot that described well lid center upper portion is provided with, and forms left antithesis body and right antithesis body.Left antithesis body and right antithesis body both sides are inclined-plane, and this scheme has good rigidity.Certainly, can the inner side of left antithesis body and right antithesis body be also vertical plane, outside be also can in inclined-plane.
Circular water inlet is equipped with at the bottom land of left antithesis body and the external table of right antithesis and elongated slot.Owing to being provided with left antithesis body, right antithesis body and elongated slot, and be equipped with circular water inlet at the bottom land of left antithesis body and the external table of right antithesis and elongated slot, make water inlet area account for well lid outer surface is long-pending reaches 30% 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 elongated slot direction is consistent with water (flow) direction, also reduces current or sandstone to the impact of well lid, the life-span of wellhead assembly is improved.Described geotechnical fibre filter layer is arranged at outside well lid and with the shape of elongated slot and matches, and geotechnical fibre filter layer can be made to be combined with elongated slot closely, 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 dual formula platform shape;
Fig. 2 is the vertical cross section schematic diagram of dual formula platform shape;
Fig. 3 is the horizontal profile A-A cross section, top of Fig. 2 dual formula platform shape;
Fig. 4 is dual formula semicylinder horizontal profile B-B cross section of Fig. 2 dual formula platform shape;
Fig. 5 is cylinder horizontal profile C-C cross section of Fig. 2 dual formula platform shape;
Fig. 6 is cylinder horizontal profile D-D cross section of Fig. 2 dual formula platform shape;
Fig. 7 is the side vertical cross section E-E cross section of Fig. 3 dual formula platform shape well lid;
Fig. 8 is that dual formula platform shape well lid lateral surface launches view.
In Fig. 1-8, this kind of dual formula water inlet is from oozing anti-filter recharge well wellhead assembly, and relate to recharge well 8 and wellhead assembly thereof, wellhead assembly covers in above recharge well 8, be provided with recharge well filter material 9 in the outside of recharge well 8, 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.
Well lid 1 is made up of with the well lid bottom 12 being embedded in below ground at the bottom of river bed or canal the well lid top 11 of the band water inlet of a pair setting in dual formula.Well lid top is divided into symmetrical two parts by the elongated slot that well lid 1 center upper portion is provided with, and form the left antithesis body of frustum and right antithesis body, the horizontal section of left antithesis body and right antithesis body is rectangle.Described well lid top and the bottom land of elongated slot all have along current direction and the gradient is the inclined-plane of 1%, current or the sandstone bottom land to well lid top and elongated slot can be reduced impact and friction, favourable to the life-span of improving wellhead assembly, also can prevent low water stage waste water injection simultaneously.In left antithesis body and the external table of right antithesis, be provided with circular water inlet, these water inlets are well lid end face water inlet 4, well lid lateral wall water inlet 5 and well lid inside wall water inlet 6 respectively.Circular water inlet is equipped with, i.e. bottom land water inlet 7 at the bottom land of elongated slot.Well lid material can adopt hard plastics or metal material etc.
Geotechnical fibre filter layer 3 is made up of the geotextile with anti-filter function, matches with well lid outer shape, has top not have the end, can be enclosed within well lid, and be fixed on well lid sidewall bottom position, cover the part with aperture, comprise and cover elongated slot sidewall and bottom land part, filtration.Described well lid 1 can adopt the making such as hard plastics or metal material, 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, 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, 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.
The bottom land of elongated slot 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.
Fig. 9 gives the present invention the another kind of embodiment with setting-out mechanism
Arrange a setting-out mechanism in elongated slot, described setting-out mechanism comprises the horizontal stand 202 be fixed on left antithesis body and right antithesis body, 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 elongated slot except the weep hole arranged, also be provided with the through hole for installing lower bearing, 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 sandstone to the impact of vertical shaft 205 or impact, to improve the reliability of setting-out institution staff.
Certainly, the present invention is not limited to the limited range of above-described embodiment.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 (5)
1. a platform shape dual formula is from oozing anti-filter recharge well wellhead assembly, described wellhead assembly comprises hard 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 of a pair setting in dual formula, well lid entirety is the bottomless up-small and down-big taper type cylinder of hollow, well lid top is divided into symmetrical two parts by the elongated slot that described well lid center upper portion is provided with, forming horizontal section is rectangular mesa-shaped left antithesis body and right antithesis body, circular water inlet is equipped with at the bottom land of left antithesis body and the external table of right antithesis and elongated slot, described well lid bottom is waterproof body, described elongated slot direction is consistent with water (flow) direction, described geotechnical fibre filter layer is arranged at outside well lid and with the shape of elongated slot and matches, arrange a setting-out mechanism in described elongated slot, described setting-out mechanism comprises the horizontal stand be fixed on left antithesis body and right antithesis body, sets a upper bearing (metal) in described support, in the bottom land through hole of elongated slot, 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. according to claim 1 shape dual formula is from oozing anti-filter recharge well wellhead assembly, and it is characterized in that, the bottom land of described elongated slot is flat.
3. according to claim 1 shape dual formula is from oozing anti-filter recharge well wellhead assembly, and it is characterized in that, the bottom land of described elongated slot is at the bottom of reclinate arc.
4. according to claim 1 shape dual formula 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.
5. according to claim 1 shape dual formula is from oozing anti-filter recharge well wellhead assembly, and it is characterized in that, described well lid top and the bottom land of elongated slot all have along current direction and the gradient is the inclined-plane of 1%.
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| CN201410368045.4A CN104141328B (en) | 2014-07-29 | 2014-07-29 | Platform shape dual formula is from oozing anti-filter recharge well wellhead assembly |
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| CN201410368045.4A CN104141328B (en) | 2014-07-29 | 2014-07-29 | Platform shape dual formula is from oozing anti-filter recharge well wellhead assembly |
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| CN104141328B true CN104141328B (en) | 2015-08-19 |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2784460Y (en) * | 2005-04-28 | 2006-05-31 | 孙海军 | High-covered, multi-porous and double-layered deep recharge well |
| CN201014824Y (en) * | 2007-03-02 | 2008-01-30 | 张泽长 | Water in-situ recharge device for collecting superficial earth energy |
| CN201367577Y (en) * | 2008-12-30 | 2009-12-23 | 上海长凯岩土工程有限公司 | Groundwater recharge well |
| US20100213396A1 (en) * | 2009-02-23 | 2010-08-26 | Peterson Mark H | Throttle Valve Used for Recharging Aquifers |
| CN201386229Y (en) * | 2009-03-18 | 2010-01-20 | 张洪柱 | Warp knitting terylene composite geotextile |
| CN201924334U (en) * | 2010-09-30 | 2011-08-10 | 济南大学 | Recharge well with geotextile filter layer |
| JP5737747B2 (en) * | 2011-02-07 | 2015-06-17 | 株式会社竹中工務店 | Well structure and method for constructing well structure |
| CN202248056U (en) * | 2011-10-14 | 2012-05-30 | 济南大学 | Square well mouth device for self-infiltrating recharge well |
| CN202969553U (en) * | 2012-12-11 | 2013-06-05 | 吉林建筑工程学院 | Environment-friendly water seepage well cover |
| CN203256724U (en) * | 2013-05-13 | 2013-10-30 | 秦作栋 | Device using fluctuating water flows for improving groundwater recharge efficiency |
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