CN109629586A - A kind of inverted well with filter structure - Google Patents
A kind of inverted well with filter structure Download PDFInfo
- Publication number
- CN109629586A CN109629586A CN201910035670.XA CN201910035670A CN109629586A CN 109629586 A CN109629586 A CN 109629586A CN 201910035670 A CN201910035670 A CN 201910035670A CN 109629586 A CN109629586 A CN 109629586A
- Authority
- CN
- China
- Prior art keywords
- well
- tube portion
- fluid
- drainage tube
- well casing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000011229 interlayer Substances 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims description 20
- 239000003566 sealing material Substances 0.000 claims description 7
- 239000000706 filtrate Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 238000005086 pumping Methods 0.000 abstract description 7
- 230000003247 decreasing effect Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/10—Obtaining and confining water by means of wells by means of pit wells
- E03B3/11—Obtaining and confining water by means of wells by means of pit wells in combination with tubes, e.g. perforated, extending horizontally, or upwardly inclined, exterior to the pits
Abstract
A kind of inverted well with filter structure, it is characterised in that it includes fluid-tight well casing part and drainage tube portion；The top of the drainage tube portion connects fluid-tight well casing part, and the inside of drainage tube portion is connected to fluid-tight well casing part；The tube wall of the drainage tube portion has drainage interlayer, and the drainage interlayer is connected to water inlet pipe.The present invention does not need installation pumping equipment, returns and raises process by fetching water into well, avoids inverted well periphery water level decreasing, easy to operate, has fewer environmental impacts, and effect is reliable.
Description
Technical field
Surrounding enviroment are influenced with taken recharging technique in order to reduce base pit dewatering process the present invention relates to a kind of, especially
It is a kind of inverted well with filter structure.
Background technique
Currently, inverted well is using the identical well casing of diameter and filter pipe from top to bottom in the prior art, between the borehole wall and hole wall
Gap is generally in 150mm or so.Furthermore original inverted well generally requires to be pre-placed the pumping connected in well to implement Hui Yang
Wetting system then stops recharge starting pumping equipment and draws water, to play the role of Hui Yang when needing back to raise.Use existing skill
Art, there is following defects: a. borehole wall and hole wall gap are smaller, and backfill water-stagnating effect is not easily controlled, because the borehole wall backfills sealing
Effect is poor, causes recharge to be failed taking pressurization recharge process to generate borehole wall water burst；B. Hui Yang, meeting are carried out using pumping equipment
Inverted well periphery water level decreasing is further resulted in, control is improper further to have an adverse effect to surrounding enviroment.
Summary of the invention
The purpose of the present invention is to provide a kind of inverted wells with filter structure, it is able to solve the prior art not
Foot increases the gap between the borehole wall and hole wall, ensures to stop while facilitating backfill sealing material by reducing top well casing diameter
Water effect meets the requirement of certain pressurization recharge pressure；Moreover, passing through the change of recharge well construction, removes back and raises pumping equipment,
Realize that returning for inverted well raises demand under the premise of not drawing water.
Technical solution of the present invention: a kind of inverted well with filter structure, it is characterised in that it includes fluid-tight well
Tube portion and drainage tube portion；The top of the drainage tube portion connects fluid-tight well casing part, the inside of drainage tube portion
It is connected to fluid-tight well casing part；The tube wall of the drainage tube portion has drainage interlayer, the drainage interlayer and water inlet pipe
Connection；The diameter of the fluid-tight well casing part is less than the diameter of drainage tube portion.
The drainage tube portion is double-layer structure, and the drainage interlayer is located at the internal layer filter pipe and outer layer of drainage tube portion
Between filter pipe.
The drainage interlayer is connected to several equally distributed water inlet pipes, and several water inlet pipe tops converge to a main water
It manages, valve is set on water main.
The internal layer filter pipe uses filament wrapped filter pipe, and the outer layer filter pipe uses bridge type filter pipe.
The water main is arranged in the inside of fluid-tight well casing part or the outer of fluid-tight well casing part is arranged in
Side, and extend ground.
The filter pipe portion outboard backfills filtrate, and fluid-tight well casing portion outboard backfills sealing material.
Valve is arranged in the fluid-tight well casing part.
The outer wall of the drainage tube portion between hole wall at a distance from be not less than 100mm.
After recharge well construction of the present invention is at well construction, by the valve of valve and fluid-tight well casing part on water main
Door is opened, and is filled the water by water main into well, and the mud under water flow drive in pore forming process is from fluid-tight well casing part
Opening discharge, realize the purpose of well-flushing.After well-flushing, stop water filling, close the valve on water main, opens fluid-tight
The valve of well casing part is filled the water by the opening of fluid-tight well casing part into well, and underground water is expanded by inverted well filter pipe
Be dissipated in soil layer, realize the purpose of recharge, while in the excessive situation of recharge pressure, can by open water main on valve into
Row release.
Superiority of the invention: operation of the present invention is simple, required in the past when inverted well raise to inverted well into
Row draws water, and washes away by the suspended matter being attached on the borehole wall by water flow, and be pulled away with drawing water, but pump process is often
Lead to well periphery water level decreasing, and then causes the soil body to generate Compression Settlement, therefore the control requirement drawn water for Hui Yang is extremely tight
Lattice, it is complicated for operation.The present invention does not need installation pumping equipment, returns and raises process by fetching water into well, avoids inverted well periphery
Water level decreasing, it is easy to operate, it has fewer environmental impacts, and effect is reliable.The present invention increase the waterproof real pipe well wall in top with
Hole between the hole wall of outside, it can be ensured that backfill the reliability of sealing material, and then greatly promote time that inverted well can bear
Fill pressure.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of inverted well the first embodiment with filter structure involved by the present invention.
Fig. 2 is a kind of schematic diagram of second of embodiment of inverted well with filter structure involved by the present invention.
Fig. 3 is a kind of the drainage interlayer and water inlet pipe distribution schematic diagram of the inverted well with filter structure involved by the present invention.
Wherein, 1 is fluid-tight well casing part, and 2 be drainage tube portion, and 2-1 is internal layer filter pipe, and 2-2 is outer layer drainage
Pipe, 3 be drainage interlayer, and 4 be water inlet pipe, and 5 be water main, and 6 be filtrate, and 7 be sealing material.
Specific embodiment
Embodiment: as shown in Figure 1 to Figure 3, a kind of inverted well with filter structure, it is characterised in that it includes waterproof
Well casing part 1 and drainage tube portion 2；The top of the drainage tube portion 2 connects fluid-tight well casing part 1, drainage pipe portion
2 inside is divided to be connected to fluid-tight well casing part 1；The tube wall of the drainage tube portion 2 has drainage interlayer 3, the drainage
Interlayer 3 is connected to water inlet pipe 4；The diameter of the fluid-tight well casing part 1 is less than the diameter of drainage tube portion 2.
The drainage tube portion 2 is double-layer structure, and the drainage interlayer 3 is located at the internal layer filter pipe 2-1 of drainage tube portion 2
Between outer layer filter pipe 2-2.
The drainage interlayer 3 is connected to several equally distributed water inlet pipes 4, and several 4 tops of water inlet pipe converge to a master
Valve B is arranged on water main 5 for water pipe 5.
The internal layer filter pipe 2-1 uses filament wrapped filter pipe, and the outer layer filter pipe 2-2 uses bridge type filter pipe.
The inside (see figure 1) of fluid-tight well casing part 1 is arranged in the water main 5, or is arranged in fluid-tight well
The outside (see figure 2) of tube portion 1, and extend ground.
Filtrate 6 is backfilled on the outside of the drainage tube portion 2, backfills sealing material 7 on the outside of fluid-tight well casing part 1.
Valve A is arranged in the fluid-tight well casing part 1.
The outer wall of the drainage tube portion between hole wall at a distance from be not less than 100mm.
Outside the fluid-tight well casing part that inverted well drainage pipe diameter and aperture are connected according to design requirement, filter pipe top
The method that diameter can take variable diameters increases the gap between well casing outer wall and hole wall by reducing well casing diameter, can be according to returning
The outer diameter size of the size selection top well casing of filling amount is traditionally arranged to be 50 ~ 100mm or so.Filter pipe position is corresponded in lower part to return
It fills out after the completion of filtrate, top corresponds to well casing position backfill sealing material, can guarantee and is backfilling into scheduled depth and ensures to backfill close
It is real, guarantee water-stagnating effect.
On the basis of understanding the mode of inverted well well casing blocking in depth, under normal circumstances during recharge, suspend in water
Impurity can be attached on drainage inside pipe wall, and then reduce inverted well filter pipe porosity, reduce recharge amount.It is returned based on this present invention
It fills well and uses double-layer structure.Filter pipe position is wherein corresponded to using the identical filter pipe structure of material, and is fabricated to bilayer, it is inside and outside
Spacing control is in 50mm or so between layer.4 water inlet pipes are set in 90 degree of positions of well casing inner wall outside, caliber 20mm, on tube wall
Continuous hole is opened, 4 water inlet pipes converge to a diameter 25mm water main on filter pipe top, and water main may be provided at water inlet pipe
Inside may also be arranged on the outside of water inlet pipe, and extend ground.During recharge, once discovery blocking of recharge well, is returned
Filling amount reduces, and can carry out water flowing to wall casing, be backwashed by water flow to the borehole wall, the suspended matter being attached in the borehole wall is rushed
It washes off, flushing while opens water inlet pipe, and under the action of flushing water pressure, water flow carries suspended matter from water inlet pipe reverse flow
Out, it is rinsed by water flow, has both realized borehole wall flushing, in turn avoided the loss of underground water, will not generated since underground water is lost
And to the adverse effect of surrounding enviroment.The time of this recharge well construction backwash is relatively free, easy to operate.
The course of work of the present embodiment: impurities in water can be gradually adhered on 2 inner wall of drainage tube portion during recharge,
Make recharge water be gradually reduced recharge pressure to be gradually increased, after reaching and presetting control standard, stop by fluid-tight
Well casing part 1 fills the water, and the valve B on water main 5 is opened, by water main 5 to Jing Neiyashui, under flow action, and attachment
Impurity on the borehole wall is taken out of from fluid-tight well casing part 1, to have the function that backwash, this process does not need to carry out
It draws water, additional settlement has an adverse effect to surrounding enviroment caused by eliminating because of pumping level decline, and entire recharge process can
It is regularly backwashed according to recharge situation, it is ensured that recharge is gone on smoothly.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of inverted well with filter structure, it is characterised in that it includes fluid-tight well casing part and drainage tube portion；
The top of the drainage tube portion connects fluid-tight well casing part, and the inside of drainage tube portion and fluid-tight well casing part connect
It is logical；The tube wall of the drainage tube portion has drainage interlayer, and the drainage interlayer is connected to water inlet pipe.
2. a kind of inverted well with filter structure according to claim 1, it is characterised in that the fluid-tight well casing portion
The diameter divided is less than the diameter of drainage tube portion.
3. a kind of inverted well with filter structure according to claim 1, it is characterised in that the drainage tube portion is double
Layer structure, the drainage interlayer are located between the internal layer filter pipe and outer layer filter pipe of drainage tube portion.
4. a kind of inverted well with filter structure according to claim 1, it is characterised in that the drainage interlayer with it is several
Equally distributed water inlet pipe connection, several water inlet pipe tops converge to a water main, valve are arranged on water main.
5. a kind of inverted well with filter structure according to claim 3, it is characterised in that the internal layer filter pipe uses
Filament wrapped filter pipe, the outer layer filter pipe use bridge type filter pipe.
6. a kind of inverted well with filter structure according to claim 4, it is characterised in that the water main is arranged not
The inside of permeable well casing part or the outside that fluid-tight well casing part is set, and extend ground.
7. a kind of inverted well with filter structure according to claim 1, it is characterised in that the filter pipe portion outboard
Filtrate is backfilled, fluid-tight well casing portion outboard backfills sealing material.
8. a kind of inverted well with filter structure according to claim 1, it is characterised in that the fluid-tight well casing portion
Set up separately and sets valve.
9. a kind of inverted well with filter structure according to claim 1, it is characterised in that outside the drainage tube portion
Wall between hole wall at a distance from be not less than 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910035670.XA CN109629586B (en) | 2019-01-15 | 2019-01-15 | Recharging well with water filtering structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910035670.XA CN109629586B (en) | 2019-01-15 | 2019-01-15 | Recharging well with water filtering structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109629586A true CN109629586A (en) | 2019-04-16 |
| CN109629586B CN109629586B (en) | 2024-02-06 |
Family
ID=66060932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910035670.XA Active CN109629586B (en) | 2019-01-15 | 2019-01-15 | Recharging well with water filtering structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109629586B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296541A (en) * | 2019-05-10 | 2019-10-01 | 湖南达道新能源开发有限公司 | A kind of twin-well recharge geothermal exploitation drilling well |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201367577Y (en) * | 2008-12-30 | 2009-12-23 | 上海长凯岩土工程有限公司 | Groundwater recharge well |
| CN103741671A (en) * | 2014-01-22 | 2014-04-23 | 上海长凯岩土工程有限公司 | Groundwater recharge system structure for foundation pit dewatering |
| CN104594325A (en) * | 2015-01-13 | 2015-05-06 | 济南轨道交通集团有限公司 | Quaternary micro-confined water spring protection type recharging well and method |
| JP2018009298A (en) * | 2016-07-11 | 2018-01-18 | 鹿島建設株式会社 | Ground water level lowering system and method of constructing the same |
| CN209873835U (en) * | 2019-01-15 | 2019-12-31 | 上海长凯岩土工程有限公司 | Novel recharge well structure |
-
2019
- 2019-01-15 CN CN201910035670.XA patent/CN109629586B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201367577Y (en) * | 2008-12-30 | 2009-12-23 | 上海长凯岩土工程有限公司 | Groundwater recharge well |
| CN103741671A (en) * | 2014-01-22 | 2014-04-23 | 上海长凯岩土工程有限公司 | Groundwater recharge system structure for foundation pit dewatering |
| CN104594325A (en) * | 2015-01-13 | 2015-05-06 | 济南轨道交通集团有限公司 | Quaternary micro-confined water spring protection type recharging well and method |
| JP2018009298A (en) * | 2016-07-11 | 2018-01-18 | 鹿島建設株式会社 | Ground water level lowering system and method of constructing the same |
| CN209873835U (en) * | 2019-01-15 | 2019-12-31 | 上海长凯岩土工程有限公司 | Novel recharge well structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296541A (en) * | 2019-05-10 | 2019-10-01 | 湖南达道新能源开发有限公司 | A kind of twin-well recharge geothermal exploitation drilling well |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109629586B (en) | 2024-02-06 |
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