CN214738182U - Well sealing device for sand-free well pipe dewatering well - Google Patents
Well sealing device for sand-free well pipe dewatering well Download PDFInfo
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- CN214738182U CN214738182U CN202120120519.9U CN202120120519U CN214738182U CN 214738182 U CN214738182 U CN 214738182U CN 202120120519 U CN202120120519 U CN 202120120519U CN 214738182 U CN214738182 U CN 214738182U
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Abstract
The utility model provides a well sealing device of a sand-free well pipe dewatering well, wherein the outer upper and lower water stop rings are arranged horizontally and at intervals up and down, are respectively sleeved at the middle part and the lower part of the outer side surface of a vertical sleeve and are used for being respectively arranged in a bottom plate and a cushion layer, the inner upper and lower water stop rings are arranged horizontally and at intervals up and down, the inner upper and lower water stop rings are respectively arranged at the upper part and the lower part of the inner side surface of the vertical sleeve, and the inner lower water stop ring is lower than the outer lower water stop ring; the upper and lower shut-in plates are respectively arranged on the upper and lower water stop rings and are respectively connected with the upper part and the lower part of the inner side surface of the vertical sleeve, the middle part of the water pumping pipe is vertically spliced in the lower shut-in plate, the upper end of the water pumping pipe is positioned between the upper and lower shut-in plates, the valve is arranged at the upper end of the water pumping pipe and is used for switching on and off the water pumping pipe, and the lower end of the water pumping pipe is exposed under the lower shut-in plate. The utility model discloses can step down to groundwater and dredge in the shut-in, reduce the influence of groundwater to the shut-in construction, can effectively guarantee construction quality.
Description
Technical Field
The utility model relates to a building foundation pit precipitation technical field, in particular to no sand well pipe precipitation well technical field specifically indicates a shut-in well device of no sand well pipe precipitation well.
Background
With the continuous development of urban underground spaces and super high-rise buildings, the application of foundation pit engineering is increasing day by day, most of foundation pits are excavated to depths below the underground water level, and precipitation treatment is required during the construction and use of the foundation pits. When the foundation pit scope is great, often be equipped with precipitation well in foundation pit in order to guarantee precipitation effect to reserve some precipitation wells in foundation slab work progress and keep precipitation, after the building load satisfies anti superficial requirement, can stop drawing water, need carry out the shut-in well to the precipitation well who reserves this moment and handle.
The conventional sand-free well pipe dewatering well plugging method is that a cushion layer is usually constructed on the sand-free well pipe dewatering well, then a bottom plate is constructed on the cushion layer, the cushion layer and the bottom plate are connected through a steel sleeve in the construction process of the cushion layer and the bottom plate, and the well plugging is carried out by utilizing a connecting flange device or welding a steel plate. However, in some confined water formations with high water pressure, because the groundwater inflow is large and the well water level rises quickly, after the pumping is stopped, the water level in the well rises quickly and overflows, so that the welding of the well sealing steel plate is difficult to construct.
Therefore, hope to provide a shut-in well device of no sand well pipe precipitation well, it can carry out the decompression to groundwater and dredge when shut-in well, has reduced the influence of groundwater to shut-in well construction, can effectively guarantee construction quality.
SUMMERY OF THE UTILITY MODEL
In order to overcome the shortcoming among the above-mentioned prior art, an object of the utility model is to provide a shut-in well device of no sand well pipe precipitation well, it can carry out the step-down to groundwater and dredge in the shut-in well, has reduced the influence of groundwater to shut-in well construction, can effectively guarantee construction quality, is suitable for extensive popularization and application.
Another object of the utility model is to provide a no sand well pipe precipitation well's shut-in well device, its design benefit, the structure is succinct, makes portably, and is with low costs, is suitable for extensive popularization and application.
In order to achieve the above object, the utility model discloses a no sand well pipe precipitation well's shut-in well device, its characteristics are, including vertical sleeve pipe, outer end stop water ring, outer lower stop water ring, interior end stop water ring, interior lower stop water ring, go up shut-in well board, drinking-water pipe and valve down, wherein:
the outer upper water stop ring and the outer lower water stop ring are horizontally arranged and vertically arranged at intervals, the outer upper water stop ring and the outer lower water stop ring are respectively sleeved at the middle part and the lower part of the outer side surface of the vertical sleeve and are used for being respectively arranged in the bottom plate and the cushion layer, the inner upper water stop ring and the inner lower water stop ring are horizontally arranged and vertically arranged at intervals, the inner upper water stop ring is arranged at the upper part of the inner side surface of the vertical sleeve, and the inner lower water stop ring is arranged at the lower part of the inner side surface of the vertical sleeve and is lower than the outer lower water stop ring;
the upper well sealing plate is arranged on the inner upper water stop ring and connected with the upper portion of the inner side face of the vertical sleeve, the lower well sealing plate is arranged on the inner lower water stop ring and connected with the lower portion of the inner side face of the vertical sleeve, the middle of the water pumping pipe is vertically inserted into the lower well sealing plate, the upper end of the water pumping pipe is located between the upper well sealing plate and the lower well sealing plate, the valve is arranged at the upper end of the water pumping pipe and used for turning on and off the water pumping pipe, and the lower end of the water pumping pipe is exposed below the lower well sealing plate.
Preferably, the vertical sleeve is a steel pipe.
Preferably, the outer upper water stop ring, the outer lower water stop ring, the inner upper water stop ring and the inner lower water stop ring are all steel water stop rings.
Preferably, the upper well sealing plate and the lower well sealing plate are both steel plates.
Preferably, the lower well sealing plate is vertically provided with a through hole, and the middle part of the water pumping pipe is vertically inserted into the through hole.
Preferably, the well sealing device of the sand-free well pipe dewatering well further comprises an anti-corrosion paint layer, and the anti-corrosion paint layer is arranged on the surface of the vertical casing pipe.
More preferably, the anti-corrosive paint layer is a bituminous anti-corrosive paint layer.
Preferably, the well sealing device of the sand-free well pipe dewatering well further comprises a waterproof sealing layer, and the waterproof sealing layer is located at the lower part of the outer side face of the vertical casing and below the outer lower water stop ring.
Preferably, the outer upper water stopping ring is arranged in the middle of the bottom plate.
Preferably, the outer lower water stop ring is arranged in the middle of the cushion layer.
The beneficial effects of the utility model mainly lie in:
1. the utility model discloses a sand-free well pipe dewatering well's well sealing device's outer upper and lower seal ring is the level setting and upper and lower interval setting, and outer upper and lower seal ring cup joints respectively in the middle part and the lower part of vertical sheathed tube lateral surface and is used for setting up respectively in bottom plate and bed course, and interior upper and lower seal ring is the level setting and upper and lower interval setting, and interior upper stop seal ring sets up on the upper portion of vertical sheathed tube medial surface, and interior lower seal ring sets up in the lower part of vertical sheathed tube medial surface and is less than outer lower seal ring; go up the upper portion that goes up the stagnant water ring and connect vertical sheathed tube medial surface including the shut-in well board setting, the lower portion of connecting vertical sheathed tube medial surface is gone up on the lower stagnant water ring including lower shut-in well board setting, the vertical grafting in shut-in well board under in the middle part of drinking-water pipe, between the upper end of drinking-water pipe is located the shut-in well board from top to bottom, the valve setting is used for the break-make drinking-water pipe in the upper end of drinking-water pipe, the lower extreme of drinking-water pipe exposes under the shut-in well board, therefore, it can carry out the step-down to dredge in shut-in well, the influence of groundwater to shut-in well construction has been reduced, construction quality can be effectively guaranteed, and is suitable for large-scale popularization and application.
2. The utility model discloses a sand-free well pipe dewatering well's well sealing device's outer upper and lower seal ring is the level setting and upper and lower interval setting, and outer upper and lower seal ring cup joints respectively in the middle part and the lower part of vertical sheathed tube lateral surface and is used for setting up respectively in bottom plate and bed course, and interior upper and lower seal ring is the level setting and upper and lower interval setting, and interior upper stop seal ring sets up on the upper portion of vertical sheathed tube medial surface, and interior lower seal ring sets up in the lower part of vertical sheathed tube medial surface and is less than outer lower seal ring; go up the upper portion that goes up the water stop ring and go up and connect vertical sheathed tube medial surface including the setting of shut-in well board, the lower portion of connecting vertical sheathed tube medial surface is gone up and connected on the lower water stop ring including the setting of shut-in well board down, the vertical grafting in shut-in well board down in the middle part of drinking-water pipe, between the upper end of drinking-water pipe is located the upper and lower shut-in well board, the valve setting is used for the break-make drinking-water pipe in the upper end of drinking-water pipe, the lower extreme of drinking-water pipe exposes under shut-in well board, therefore, its design benefit, the structure is succinct, it is simple and convenient to make, low cost, be suitable for extensive popularization and application.
These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description, the accompanying drawings and the appended claims, wherein like reference numerals refer to corresponding parts throughout the several views, and wherein like reference numerals refer to like parts throughout the several views.
Drawings
Fig. 1 is a schematic sectional view of a sealing device of a sand-free well pipe dewatering well according to an embodiment of the present invention.
(symbol description)
1, a vertical sleeve; 2, an outer upper stop water ring; 3, an outer lower water stop ring; 4, an inner upper stop water ring; 5, an inner lower water stop ring; 6, installing a well sealing plate; 7, a lower well sealing plate; 8, pumping a water pipe; 9 a valve; 10, perforating; 11 a waterproof sealing layer; 12 a base plate; 13 a cushion layer; 14 no sand well pipe.
Detailed Description
In order to clearly understand the technical contents of the present invention, the following embodiments are specifically illustrated in detail.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Please refer to fig. 1, in an embodiment of the present invention, the well sealing device of the sand-free well pipe dewatering well of the present invention comprises a vertical casing 1, an outer upper water stop ring 2, an outer lower water stop ring 3, an inner upper water stop ring 4, an inner lower water stop ring 5, an upper well sealing plate 6, a lower well sealing plate 7, a water pumping pipe 8 and a valve 9, wherein:
the outer upper water stop ring 2 and the outer lower water stop ring 3 are horizontally arranged and vertically arranged at intervals, the outer upper water stop ring 2 and the outer lower water stop ring 3 are respectively sleeved at the middle part and the lower part of the outer side surface of the vertical sleeve 1 and are respectively arranged in the bottom plate 12 and the cushion layer 13, the inner upper water stop ring 4 and the inner lower water stop ring 5 are horizontally arranged and vertically arranged at intervals, the inner upper water stop ring 4 is arranged at the upper part of the inner side surface of the vertical sleeve 1, and the inner lower water stop ring 5 is arranged at the lower part of the inner side surface of the vertical sleeve 1 and is lower than the outer lower water stop ring 3;
the upper well sealing plate 6 is arranged on the inner upper water stop ring 4 and connected with the upper portion of the inner side face of the vertical sleeve 1, the lower well sealing plate 7 is arranged on the inner lower water stop ring 5 and connected with the lower portion of the inner side face of the vertical sleeve 1, the middle of the water pumping pipe 8 is vertically inserted into the lower well sealing plate 7, the upper end of the water pumping pipe 8 is located between the upper well sealing plate 6 and the lower well sealing plate 7, the valve 9 is arranged at the upper end of the water pumping pipe 8 and used for turning on and off the water pumping pipe 8, and the lower end of the water pumping pipe 8 is exposed below the lower well sealing plate 7.
The vertical sleeve 1 can be a sleeve made of any suitable material, and in a specific embodiment of the present invention, the vertical sleeve 1 is a steel pipe.
The outer upper water stop ring 2, the outer lower water stop ring 3, the inner upper water stop ring 4 and the inner lower water stop ring 5 can be the water stop ring made of any suitable material, in a specific embodiment of the utility model, the outer upper water stop ring 2, the outer lower water stop ring 3, the inner upper water stop ring 4 and the inner lower water stop ring 5 are steel water stop rings.
Go up the shut-in well board 6 with shut-in well board 7 can be the shut-in well board of any suitable material down the utility model discloses an in the embodiment, go up shut-in well board 6 with shut-in well board 7 is the steel sheet down.
The vertical grafting in middle part of drinking-water pipe 8 can adopt any suitable structure in the shut-in plate 7 down, please see that fig. 1 shows, in a specific embodiment of the utility model, shut-in plate 7 is vertical to be provided with and perforates 10 down, the vertical grafting in middle part of drinking-water pipe 8 be in perforate 10.
The device of sealing up of no sand well pipe precipitation well can also include other suitable structures in the utility model discloses a specific embodiment, the device of sealing up of no sand well pipe precipitation well still include anticorrosive paint layer (not shown in the figure), anticorrosive paint layer sets up vertical sleeve pipe 1's surface (including medial surface and lateral surface).
The anti-corrosive paint layer can be made of any suitable material, and in a specific embodiment of the utility model, the anti-corrosive paint layer is an asphalt anti-corrosive paint layer.
The well sealing device of the sand-free well pipe dewatering well can also comprise any other suitable structures, please refer to fig. 1, in a specific embodiment of the present invention, the well sealing device of the sand-free well pipe dewatering well further comprises a waterproof sealing layer 11, and the waterproof sealing layer 11 is located at the lower part of the outer side surface of the vertical casing 1 and below the outer lower water stop ring 3.
The outer upper water stopping ring 2 is disposed in the bottom plate 12 and can be disposed at any suitable position of the bottom plate 12, please refer to fig. 1, in a specific embodiment of the present invention, the outer upper water stopping ring 2 is disposed at a middle position of the bottom plate 12.
The outer lower water stop ring 3 is disposed in the cushion layer 13 and can be disposed at any suitable position of the cushion layer 13, please refer to fig. 1, in a specific embodiment of the present invention, the outer lower water stop ring 3 is disposed in the middle of the cushion layer 13.
The internal diameter, the thickness of vertical sleeve pipe 1, the size of outer top water ring 2 that stops, the size of outer lower water ring 3, the size of interior top water ring 4 that stops, the size of interior lower water ring 5, diameter, the length etc. of drinking-water pipe 8 can be according to the diameter of the precipitation well of needs shut-in, the volume of gushing water and the bottom plate 12 thickness of building confirm.
When in use, the construction process is briefly described as follows:
1. when constructing the cushion layer 13 and the bottom plate 12 at the position of the sand-free well pipe dewatering well needing to be reserved, welding the outer upper water stop ring 2 and the outer lower water stop ring 3 at the middle part and the lower part of the outer side surface of the vertical sleeve 1, wherein the outer lower water stop ring 3 is positioned at the middle part of the cushion layer 13, the outer upper water stop ring 2 is positioned at the middle part of the bottom plate 12, welding the inner lower water stop ring 5 at the lower part of the inner side surface of the vertical sleeve 1, brushing the inner side surface and the outer side surface of the vertical sleeve 1 with an anticorrosive paint twice to form an anticorrosive paint layer, then inserting the lower part of the vertical sleeve 1 into the inner side of the sand-free well pipe 14, and filling and sealing a gap between the lower part of the vertical sleeve 1 and the sand-free well pipe 14 with a waterproof sealing material to form a waterproof sealing layer 11.
2. Wear to establish down shut-in plate 7 and welding with the middle part of drinking-water pipe 8, be connected the lower extreme and the suction pump of drinking-water pipe 8, then will be shut-in plate 7 down and arrange vertical sleeve pipe 1 in, the suction pump enters into and continuously draws water the step-down in the well, does not need the welding between shut-in plate 7 and the interior lower seal ring 5 this moment, is convenient for to the inspection maintenance of suction pump.
3. When the building load meets the anti-floating design requirement, the dewatering well is sealed, the lower well sealing plate 7 and the inner lower water stop ring 5 are welded tightly, the inner upper water stop ring 4 is welded on the upper portion of the inner side face of the vertical casing 1, grouting material is poured to the lower side of the valve 9, water pumping is kept continuously, and the underground water is prevented from overflowing.
4. And (4) closing the valve 9, detaching the drain pipe connected with the upper end of the water pumping pipe 8, and continuously filling grouting material to the bottom of the upper well sealing plate 6.
5. And welding an upper well sealing plate 6 on the upper part of the inner side surface of the vertical casing pipe 1, tightly welding the upper well sealing plate with the inner upper water stop ring 4, designing a top elevation from the upper well sealing plate 6 to the bottom plate 12, and compacting and troweling after pouring to finish well sealing.
Therefore, the utility model is mainly applied to the field of well sealing construction of foundation pit dewatering wells in confined water strata with abundant underground water or large water pressure, and by adopting the utility model, the underground water can be depressurized and dredged while the well is sealed, thereby reducing the influence of the underground water on the well sealing construction and effectively ensuring the construction quality; secondly, the utility model discloses the preparation is simple with the installation, easily operates, and operational safety is high, can effectively solve some water pressure big, the fast confined water stratum shut-in problem of return water rate.
To sum up, the utility model discloses a shut-in well device of no sand well pipe precipitation well can step down to groundwater and dredge in the shut-in well, has reduced the influence of groundwater to shut-in well construction, can effectively guarantee construction quality, design benefit, and the structure is succinct, makes portably, and is with low costs, is suitable for extensive popularization and application.
Therefore, the purpose of the utility model is completely and effectively realized. The functional and structural principles of the present invention have been shown and described in the embodiments, and the embodiments may be modified without departing from the principles. Therefore, the present invention includes all modifications within the spirit and scope of the appended claims.
Claims (10)
1. The utility model provides a no sand well pipe precipitation well's shut-in well device which characterized in that, includes vertical sleeve pipe, outer upper stop water ring, outer lower water stop ring, interior upper stop water ring, interior lower water stop ring, goes up shut-in well board, drinking-water pipe and valve down, wherein:
the outer upper water stop ring and the outer lower water stop ring are horizontally arranged and vertically arranged at intervals, the outer upper water stop ring and the outer lower water stop ring are respectively sleeved at the middle part and the lower part of the outer side surface of the vertical sleeve and are used for being respectively arranged in the bottom plate and the cushion layer, the inner upper water stop ring and the inner lower water stop ring are horizontally arranged and vertically arranged at intervals, the inner upper water stop ring is arranged at the upper part of the inner side surface of the vertical sleeve, and the inner lower water stop ring is arranged at the lower part of the inner side surface of the vertical sleeve and is lower than the outer lower water stop ring;
the upper well sealing plate is arranged on the inner upper water stop ring and connected with the upper portion of the inner side face of the vertical sleeve, the lower well sealing plate is arranged on the inner lower water stop ring and connected with the lower portion of the inner side face of the vertical sleeve, the middle of the water pumping pipe is vertically inserted into the lower well sealing plate, the upper end of the water pumping pipe is located between the upper well sealing plate and the lower well sealing plate, the valve is arranged at the upper end of the water pumping pipe and used for turning on and off the water pumping pipe, and the lower end of the water pumping pipe is exposed below the lower well sealing plate.
2. The well shut-in device for a sand-free pipe dewatering well according to claim 1, wherein the vertical casing is a steel pipe.
3. The well shut-in device of a sand-free pipe dewatering well according to claim 1, wherein the outer upper stop water ring, the outer lower stop water ring, the inner upper stop water ring and the inner lower stop water ring are all steel stop rings.
4. The apparatus for sealing a sand-free casing dewatering well according to claim 1, wherein the upper sealing plate and the lower sealing plate are both made of steel plates.
5. The well shut-in device for the sand-free well pipe dewatering well as defined in claim 1, wherein the lower well shut-in plate is vertically provided with a perforation, and the middle part of the pumping pipe is vertically inserted into the perforation.
6. The well shut-in device for the sand-free pipe dewatering well according to claim 1, further comprising an anti-corrosive paint layer disposed on the surface of the vertical casing.
7. The well plugging device for a sand-free well pipe dewatering well according to claim 6, wherein the anti-corrosive paint layer is an asphalt anti-corrosive paint layer.
8. The well shut-in device for a sand-free pipe dewatering well as claimed in claim 1, further comprising a waterproof seal layer located under the outer lower water stop ring and below the outer side surface of the vertical casing.
9. The well shut-in device for a sand-free pipe dewatering well according to claim 1, wherein the outer upper water stop ring is arranged at a middle position of the bottom plate.
10. The well shut-in device for a sand-free pipe dewatering well according to claim 1, wherein the outer lower water stop ring is arranged at a middle position of the cushion layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120120519.9U CN214738182U (en) | 2021-01-15 | 2021-01-15 | Well sealing device for sand-free well pipe dewatering well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120120519.9U CN214738182U (en) | 2021-01-15 | 2021-01-15 | Well sealing device for sand-free well pipe dewatering well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214738182U true CN214738182U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120120519.9U Active CN214738182U (en) | 2021-01-15 | 2021-01-15 | Well sealing device for sand-free well pipe dewatering well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214738182U (en) |
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2021
- 2021-01-15 CN CN202120120519.9U patent/CN214738182U/en active Active
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