CN209873835U - Novel recharge well structure - Google Patents
Novel recharge well structure Download PDFInfo
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- CN209873835U CN209873835U CN201920062498.2U CN201920062498U CN209873835U CN 209873835 U CN209873835 U CN 209873835U CN 201920062498 U CN201920062498 U CN 201920062498U CN 209873835 U CN209873835 U CN 209873835U
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Abstract
A novel recharging well structure is characterized by comprising a water-tight well pipe part and a strainer pipe part; the upper part of the water filtering pipe part is connected with a water-tight well pipe part, and the inside of the water filtering pipe part is communicated with the water-tight well pipe part; the pipe wall of the water filtering pipe part is provided with a water filtering interlayer, and the water filtering interlayer is communicated with the water inlet pipe. The utility model discloses need not install pumping equipment, the process of raising back is through fetching water in to the well, has avoided the peripheral water level of recharge well to descend, easy operation, and less to the environmental impact, and the effect is reliable.
Description
The technical field is as follows:
the utility model relates to a recharge technique, especially a novel recharge well structure, that take in order to reduce foundation ditch precipitation process to all ring edge borders influence.
(II) background technology:
at present, in the prior art, a recharge well adopts a well pipe and a strainer pipe with the same diameter from top to bottom, and the clearance between the well wall and the hole wall is generally about 150 mm. In addition, the connected pumping equipment is often required to be placed in the well in advance for implementing pumping, and the pumping equipment is stopped from being started for pumping water when the pumping equipment needs to be pumped back, so that the pumping effect is achieved. With the prior art, the following disadvantages exist: a. the gap between the well wall and the hole wall is small, so that the backfilling and water stopping effects are difficult to control, the backfilling and water stopping effects caused by the well wall are poor, and the refilling failure is caused by water gushing from the well wall in the pressurizing and refilling process; b. the pumping equipment is adopted for pumping, so that the water level around the recharging well is further reduced, and the improper control further causes adverse effects on the surrounding environment.
(III) contents of the utility model:
the utility model aims to provide a novel recharging well structure, which can solve the defects of the prior art, increase the gap between the well wall and the hole wall by reducing the diameter of the upper well pipe, ensure that the water stopping effect meets the requirement of certain pressurizing recharging pressure while conveniently backfilling water stopping materials; and moreover, by changing the structure of the recharge well, the raising and pumping equipment is removed, and the raising requirement of the recharge well is met on the premise of not pumping water.
The technical scheme of the utility model: a novel recharging well structure is characterized by comprising a water-tight well pipe part and a strainer pipe part; the upper part of the water filtering pipe part is connected with a water-tight well pipe part, and the inside of the water filtering pipe part is communicated with the water-tight well pipe part; the pipe wall of the water filtering pipe part is provided with a water filtering interlayer which is communicated with the water inlet pipe; the diameter of the water-impermeable well pipe part is smaller than that of the water filtering pipe part.
The water filtering pipe part is of a double-layer structure, and the water filtering interlayer is positioned between the inner layer water filtering pipe and the outer layer water filtering pipe of the water filtering pipe part.
The drainage intermediate layer communicates with a plurality of evenly distributed's inlet tube, and a plurality of inlet tube tops converge to a main water pipe, sets up the valve on the main water pipe.
The inner layer water filter pipe adopts a wire-wound water filter pipe, and the outer layer water filter pipe adopts a bridge type water filter pipe.
The main water pipe is arranged inside the water-tight well pipe part or outside the water-tight well pipe part and extends out of the ground.
The filter material is backfilled on the outer side of the water filtering pipe part, and the water stopping material is backfilled on the outer side of the water-tight well pipe part.
The watertight well pipe section is provided with a valve.
The distance between the outer wall of the water filtering pipe part and the hole wall is not less than 100 mm.
The utility model discloses after recharging well structure becomes well construction, all open the valve of valve on the main water pipe and the valve of waterproof well casing part, through main water pipe water injection in to the well, the mud of pore-forming in-process is discharged from the opening of waterproof well casing part under rivers drive, realizes the purpose of well-flushing. After the well is washed, water injection is stopped, the valve on the main water pipe is closed, the valve of the water-tight well pipe part is opened, water is injected into the well through the opening of the water-tight well pipe part, underground water is diffused into a soil layer through the water filter pipe of the recharge well, the purpose of recharge is achieved, and meanwhile pressure relief can be achieved by opening the valve on the main water pipe under the condition that recharge pressure is too large.
The utility model has the advantages that: the utility model is simple in operation, all need draw water to the recharge well when the recharge well is raised back in the past, will adhere to the suspended solid on the wall of a well through rivers and erode down to being taken away along with drawing water, nevertheless the process of drawing water often can lead to the peripheral water level of well to descend, and then leads to the soil body to produce the compression and subside, consequently very strict to the control requirement that the pumping water was raised back, the operation is complicated. The utility model discloses need not install pumping equipment, the process of raising back is through fetching water in to the well, has avoided the peripheral water level of recharge well to descend, easy operation, and less to the environmental impact, and the effect is reliable. The utility model discloses strengthened the waterproof solid pipe wall of a well in upper portion and the hole between the outside hole wall, can ensure the reliability of backfilling stagnant water material, and then promoted the recharge pressure that the recharge well can bear greatly.
(IV) description of the drawings:
fig. 1 is a schematic view of a first embodiment of a novel recharge well structure according to the present invention.
Fig. 2 is a schematic view of a second embodiment of the novel recharge well structure of the present invention.
Fig. 3 is the utility model discloses a water filtering interlayer and inlet tube distribution schematic diagram of novel recharge well structure.
Wherein, 1 is a water-proof well pipe part, 2 is a strainer pipe part, 2-1 is an inner strainer pipe, 2-2 is an outer strainer pipe, 3 is a straining interlayer, 4 is a water inlet pipe, 5 is a main water pipe, 6 is a filtering material, and 7 is a stopping water material.
(V) specific embodiment:
example (b): as shown in fig. 1 to 3, a new type of recharge well structure is characterized in that it comprises a water-tight well pipe section 1 and a strainer pipe section 2; the upper part of the strainer pipe part 2 is connected with a water-tight well pipe part 1, and the inside of the strainer pipe part 2 is communicated with the water-tight well pipe part 1; the wall of the water filtering pipe part 2 is provided with a water filtering interlayer 3, and the water filtering interlayer 3 is communicated with a water inlet pipe 4; the diameter of the water-tight well pipe section 1 is smaller than the diameter of the strainer pipe section 2.
The water filtering pipe part 2 is of a double-layer structure, and the water filtering interlayer 3 is positioned between an inner layer water filtering pipe 2-1 and an outer layer water filtering pipe 2-2 of the water filtering pipe part 2.
The water filtering interlayer 3 is communicated with a plurality of uniformly distributed water inlet pipes 4, the top ends of the water inlet pipes 4 are converged to a main water pipe 5, and a valve B is arranged on the main water pipe 5.
The inner layer filter pipe 2-1 adopts a wire-wound filter pipe, and the outer layer filter pipe 2-2 adopts a bridge type filter pipe.
The main water pipe 5 is arranged inside the water-tight well pipe part 1 (see figure 1) or outside the water-tight well pipe part 1 (see figure 2) and extends out to the surface.
The filter material 6 is filled on the outer side of the water filtering pipe part 2, and the water stopping material 7 is filled on the outer side of the water-tight well pipe part 1.
The watertight well pipe section 1 is provided with a valve a.
The distance between the outer wall of the water filtering pipe part and the hole wall is not less than 100 mm.
The diameter and the aperture of the filter pipe of the recharge well are designed according to the design requirements, the outer diameter of a water-tight well pipe part connected with the upper part of the filter pipe can adopt a diameter-variable method, the gap between the outer wall of the well pipe and the aperture wall is increased by reducing the diameter of the well pipe, and the outer diameter of the upper well pipe can be generally set to be about 50-100 mm according to the recharge quantity. After the filtering material is backfilled at the position of the lower part corresponding to the water filtering pipe, the water stopping material is backfilled at the position of the upper part corresponding to the well pipe, so that the backfilling to a preset depth can be guaranteed, the backfilling is compact, and the water stopping effect is guaranteed.
On the basis of deep understanding of the blocking mode of the well pipe of the recharge well, suspended impurities in water can be attached to the inner wall of the filter pipe in the recharge process under ordinary conditions, so that the porosity of the filter pipe of the recharge well is reduced, and the recharge quantity is reduced. Based on this the utility model discloses recharge well adopts bilayer structure. The positions corresponding to the filter pipes adopt filter pipe structures made of the same material, and the filter pipes are manufactured into double layers, and the distance between the inner layer and the outer layer is controlled to be about 50 mm. Set up 4 inlet tubes in 90 degrees positions in the well casing inner wall outside, pipe diameter 20mm, open continuous hole on the pipe wall, 4 inlet tubes converge to a diameter 25mm main water pipe on the strainer top, and main water pipe can set up also can set up in the outside of inlet tube in the inside of inlet tube to extend ground. In the recharging process, in case the recharging well is blocked, the recharging amount is reduced, water can be introduced to the well wall pipe, the well wall is backwashed through water flow, suspended matters attached to the well wall are washed away, the water inlet pipe is opened while the well wall is washed, the water flow carries the suspended matters to reversely flow out of the water inlet pipe under the action of washing water pressure, the well wall is washed through the water flow, the loss of underground water is avoided, and the adverse effect on the surrounding environment due to the loss of the underground water flow is avoided. The backwashing time of the recharging well structure is relatively free, and the operation is simple.
The working process of the embodiment: impurities can be gradually attached to the inner wall of the water filter pipe part 2 in the recharging process, the recharging water quantity is gradually reduced, the recharging pressure is gradually increased, after the preset control standard is reached, water is stopped to be injected through the water-tight well pipe part 1, the valve B on the main water pipe 5 is opened, water is pressed into the well through the main water pipe 5, the impurities attached to the well wall are brought out from the water-tight well pipe part 1 under the action of water flow, the backwashing effect is achieved, water does not need to be pumped in the process, the adverse effect of additional settlement caused by the reduction of the water pumping level on the surrounding environment is eliminated, regular backwashing can be carried out in the whole recharging process according to the recharging condition, and the recharging is ensured to be smoothly carried out.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A novel recharging well structure is characterized by comprising a water-tight well pipe part and a strainer pipe part; the upper part of the water filtering pipe part is connected with a water-tight well pipe part, and the inside of the water filtering pipe part is communicated with the water-tight well pipe part; the pipe wall of the water filtering pipe part is provided with a water filtering interlayer, and the water filtering interlayer is communicated with the water inlet pipe.
2. A novel recharging well structure according to claim 1, characterized in that said water-impermeable well tubular part has a smaller diameter than the filtered tubular part.
3. The novel recharging well structure of claim 1, wherein the filtering pipe part is a double-layer structure, and the filtering interlayer is positioned between the inner layer filter pipe and the outer layer filter pipe of the filtering pipe part.
4. The novel recharging well structure of claim 1, wherein the water filtering interlayer is communicated with a plurality of uniformly distributed water inlet pipes, the top ends of the water inlet pipes are converged to a main water pipe, and valves are arranged on the main water pipe.
5. A novel recharge well structure as defined in claim 3, wherein said inner strainer is a wire-wrapped strainer and said outer strainer is a bridge strainer.
6. A novel recharging well structure according to claim 4, characterized in that said main water pipe is arranged inside or outside the watertight well pipe part and extends out of the ground.
7. A novel recharging well structure according to claim 1, wherein the outside of the strainer pipe portion is backfilled with a filter material, and the outside of the watertight well pipe portion is backfilled with a water-stopping material.
8. A novel recharging well structure according to claim 1, characterized in that said watertight well pipe section is provided with a valve.
9. A novel recharging well structure according to claim 1, characterized in that the distance between the outer wall of the water filtering pipe part and the wall of the hole is not less than 100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920062498.2U CN209873835U (en) | 2019-01-15 | 2019-01-15 | Novel recharge well structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920062498.2U CN209873835U (en) | 2019-01-15 | 2019-01-15 | Novel recharge well structure |
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| CN209873835U true CN209873835U (en) | 2019-12-31 |
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| CN201920062498.2U Active CN209873835U (en) | 2019-01-15 | 2019-01-15 | Novel recharge well structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629586A (en) * | 2019-01-15 | 2019-04-16 | 上海长凯岩土工程有限公司 | A kind of inverted well with filter structure |
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2019
- 2019-01-15 CN CN201920062498.2U patent/CN209873835U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629586A (en) * | 2019-01-15 | 2019-04-16 | 上海长凯岩土工程有限公司 | A kind of inverted well with filter structure |
| CN109629586B (en) * | 2019-01-15 | 2024-02-06 | 上海长凯岩土工程有限公司 | Recharging well with water filtering structure |
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