CN215812754U

CN215812754U - Deep underground water quality detection well device

Info

Publication number: CN215812754U
Application number: CN202122265174.9U
Authority: CN
Inventors: 滕平强; 吴子山
Original assignee: SEPCO Electric Power Construction Co Ltd
Current assignee: SEPCO Electric Power Construction Co Ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-02-11
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a deep underground water quality detection well device, which relates to the technical field of underground water quality detection, and comprises a well casing with an upper opening and a lower opening, a protective casing with an upper opening and a lower opening, a centralizing stabilizer and a filling layer, wherein the protective casing is sleeved on the outer wall of the well casing through at least one centralizing stabilizer, the filling layer is filled between the outer wall of the well casing and the inner wall of the protective casing, the filling layer comprises a fixed layer positioned above and a filter layer positioned below, and a plurality of water through holes communicated with the inside and the outside of the well casing are formed in the side wall of the well casing positioned at the filter layer. According to the utility model, the well pipe and the protective sleeve are matched for use, the fixing layer and the filter layer are arranged between the well pipe and the protective sleeve, so that water can enter the inner cavity of the well pipe, the whole structure is stable, the problems of difficulty in installation and corrosion resistance of the well pipe are solved, and the long-term stable implementation of water quality detection can be ensured.

Description

Deep underground water quality detection well device

Technical Field

The utility model relates to the technical field of underground water quality detection, in particular to a deep underground water quality detection well device.

Background

At present, deep groundwater quality detection well is arranged, and an anticorrosion steel pipe barrel type detection well device is adopted, the device adopts a large-caliber steel pipe, the inner wall and the outer wall of the steel pipe need to be subjected to anticorrosion treatment, the steel pipe needs to be large and is difficult to construct under the topographic condition that the groundwater level is close to 30m, especially, the steel pipe easily causes the damage of an outer wall anticorrosion layer in the installation process, and the phenomenon that the detection well device can not be used for a long time is caused.

Therefore, an underground water quality detection well device is urgently needed at present, the problems that a detection well pipe is difficult to mount, is easy to damage, is corrosion-resistant and the like are solved, and long-term stable implementation of water quality detection is realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a deep underground water quality detection well device which is stable in structure and can ensure long-term stable implementation of water quality detection.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a deep groundwater quality testing well device, includes the sealed well casing of upper end opening lower extreme, upper and lower open-ended protective case, rights fixer and filling layer, protective case establishes through at least one right the fixer cover and establishes well casing outer wall, just it has to fill between well casing outer wall and the protective casing inner wall the filling layer, the filling layer is including the fixed bed that is located the top and the filter layer that is located the below, the well casing is located and is provided with the inside and outside limbers of a plurality of intercommunication well casing on the lateral wall of filter layer department.

Further, right the stabiliser including ferrule and bracing piece, the ferrule is fixed at the well casing outer wall, and ferrule outer wall circumference equipartition has a plurality of the bracing piece, and the one end and the ferrule of bracing piece are connected, the other end and the protective case inner wall connection of bracing piece.

Further, the well casing upper end is provided with the well lid, protective case upper end is provided with the pipe cap.

Furthermore, the filter layer is made of quartz sand.

Further, the material of the fixed layer is concrete.

Further, the diameter of the water through hole is smaller than that of the quartz sand.

Furthermore, still including setting up in subaerial and being located protective case crash bar all around.

Further, the well pipe and the protective sleeve are made of PVC.

The utility model has the beneficial effects that: according to the utility model, the well pipe and the protective sleeve are matched for use, the fixing layer and the filter layer are arranged between the well pipe and the protective sleeve, so that water can enter the inner cavity of the well pipe, the whole structure is stable, the problems of difficulty in installation and corrosion resistance of the well pipe are solved, and the long-term stable implementation of water quality detection can be ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a view from the direction A of FIG. 1;

FIG. 3 is a top view of the present invention;

shown in the figure: 1-a well pipe; 2-protecting the sleeve; 3-strengthening and stabilizing device; 4-a filling layer; 5-well cover; 6-pipe cap; 7-a crash bar; 8-the ground.

Detailed Description

The utility model is further illustrated with reference to the following figures and examples.

As shown in fig. 1, 2 and 3, the deep groundwater quality detection well device of the present invention includes a well casing 1 with an upper end open and a lower end sealed, a protective casing 2 with an upper end open and a lower end open, a centralizing stabilizer 3 and a filling layer 4, wherein the protective casing 2 is sleeved on the outer wall of the well casing 1 through at least one centralizing stabilizer 3, the filling layer 4 is filled between the outer wall of the well casing 1 and the inner wall of the protective casing 2, the filling layer 4 includes a fixed layer 401 located above and a filter layer 402 located below, and a plurality of water through holes communicating the inside and the outside of the well casing 1 are arranged on the side wall of the well casing 1 located at the filter layer 402. When the deep well dredging device is used, firstly, a deep well drilling device is adopted to drill a shaft, a temporary submersible pump is adopted to dredge the deep well, after the deep well is drilled and the submersible pump is utilized to carry out related dredging work, the protective sleeve 2 can be installed, the protective sleeve 2 is slowly placed into the shaft formed by the drilled soil, the bottom of the protective sleeve 2 is provided with an opening, and the balance of the inner water level and the outer water level of the protective sleeve 2 is facilitated; after the protective casing 2 is installed, the well casing 1 and the centering stabilizer 3 are installed, the well casing 1 is arranged in the inner cavity of the protective casing 2, the protective casing 2 is sleeved outside the well casing 1 to protect the well casing 1, the well casing 1 and the protective casing 2 are fixed by the centering stabilizer 3, the centering stabilizer 3 ensures that the well casing 1 can be vertically and stably arranged in the inner cavity of the protective casing 2, after the protective casing 2 and the well casing 1 are installed, a filling layer 4 is filled between the outer wall of the well casing 1 and the inner wall of the protective casing 2 to compact the well casing 1, the lower part is a filter layer 402 which is communicated with water through holes inside and outside the well casing 1 on the side wall arranged at the filter layer 402 to ensure that water can enter the well casing 1, the upper part is fixed by a fixing layer 401 to ensure the stability of the whole structure, and the lower end of the upper end opening of the well casing 1 is sealed for the purpose that the upper end is used for detecting the opening, the lower end is sealed to prevent soil fine sand on the bottom land from entering the well pipe to block the water through hole; the firmness of the utility model is enhanced by adopting concrete to harden around the protective sleeve 2 above and below the ground 8. By using the utility model, the problems of difficult installation and corrosion resistance of the detection well pipe are solved, and the long-term stable implementation of water quality detection can be ensured.

The purpose of the centering stabilizer 3 is to enable the well casing 1 to be stabilized and fixed in the protective casing 2, and the well casing can be fixed by a connector, welded and fixed, etc. in this embodiment, the centering stabilizer 3 includes a pipe hoop 301 and a support rod 302, the pipe hoop 301 is fixed on the outer wall of the well casing 1, a plurality of the support rods 302 are uniformly distributed on the circumference of the outer wall of the pipe hoop 301, one end of the support rod 302 is connected with the pipe hoop 301, and the other end of the support rod 302 is connected with the inner wall of the protective casing 2. The pipe hoop 301 is sleeved on the outer wall of the well pipe 1, and then the pipe hoop 301 and the inner wall of the protective sleeve 2 are connected through the supporting rod 302, so that the centering stabilizer 3 plays a role in connection, centering and stabilization, and the supporting rod 302 can be fixedly connected to the pipe hoop 301 and the inner wall of the protective sleeve 2 or can be detachably connected to the pipe hoop 301 and the inner wall of the protective sleeve 2. The material of the centering stabilizer 3 may be made of corrosion-resistant rubber.

The well casing is characterized in that a well cover 5 is arranged at the upper end of the well casing 1, and a pipe cap 6 is arranged at the upper end of the protective casing 2. The top of the well pipe 1 and the top of the protective sleeve pipe 2 are plugged, and the well cover 5 and the pipe top cap 6 are respectively configured, so that impurities are prevented from being subjected to a well water detection system, and the detection result of water quality is influenced.

The filter layer 402 is used to ensure that water can pass through the water through holes in the side wall of the well casing 1, and may be stone, sand, etc. in this embodiment, the filter layer 402 is made of quartz sand. The quartz sand compacts the bottom of the well pipe 1. The quartz sand particles are large and have good water permeability, and can meet the balance of the water levels inside and outside the well pipe 1.

The function of the fixing layer 401 is to enhance the stability of the connection between the well casing 1 and the protective casing 2, so that the strength between the well casing 1 and the protective casing 2 is improved, in this embodiment, the fixing layer 401 is made of concrete. After the quartz sand is filled, concrete is filled into the well casing to harden the well casing and strengthen the firmness of the well casing.

The function of the water through holes is to allow water to enter the inner cavity of the well pipe 1 through the water through holes, and in the embodiment, the diameter of the water through holes is smaller than that of the quartz sand. Specifically, a plurality of 3mm water through holes are drilled in the side wall of the well pipe 1 at the filter layer 402, and the diameter of the filled quartz sand is larger than 3 mm.

And the anti-collision device also comprises an anti-collision rod 7 which is arranged above the ground and positioned around the protective sleeve 2. In order to avoid the damage of the relative equipment to the exposed parts of the protective sleeve 2 and the well pipe 1, a steel anti-collision rod 7 device is arranged on the exposed parts, the anti-collision rod is a seamless steel pipe with the diameter of 100mm and is implanted into a concrete buttress, the depth of the concrete buttress is generally 600mm, and the surface of the concrete buttress is consistent with the ground. And carrying out black and yellow paint safety warning marking after the installation of the anti-collision rod 7 is finished.

The materials of the well pipe 1 and the protective sleeve 2 can be stainless steel pipe, plastic pipe, etc., and in this embodiment, the materials of the well pipe 1 and the protective sleeve 2 are both PVC. The PVC material has the function of preventing corrosion, and ensures that the utility model can realize the long-term stable implementation of water quality detection.

Claims

1. The utility model provides a deep groundwater quality testing well logging device which characterized in that: including sealed well casing (1), upper and lower open-ended protective case (2), right stabilizer (3) and filling layer (4) of upper end opening lower extreme, protective case (2) are established through at least one right stabilizer (3) cover well casing (1) outer wall, just it has to fill between well casing (1) outer wall and protective case (2) inner wall filling layer (4), filling layer (4) are including fixed bed (401) that are located the top and filter layer (402) that are located the below, be provided with the inside and outside limbers of a plurality of intercommunication well casing (1) on the lateral wall that well casing (1) is located filter layer (402).

2. The deep groundwater quality detection well device according to claim 1, wherein: the centralizing and stabilizing device (3) comprises a pipe hoop (301) and a supporting rod (302), wherein the pipe hoop (301) is fixed on the outer wall of a well pipe (1), the supporting rod (302) is evenly distributed on the circumference of the outer wall of the pipe hoop (301), one end of the supporting rod (302) is connected with the pipe hoop (301), and the other end of the supporting rod (302) is connected with the inner wall of a protective sleeve (2).

3. The deep groundwater quality detection well device according to claim 2, wherein: the well casing is characterized in that a well cover (5) is arranged at the upper end of the well casing (1), and a pipe cap (6) is arranged at the upper end of the protective casing (2).

4. A deep groundwater quality detection well apparatus according to claim 3, wherein: the material of the filter layer (402) is quartz sand.

5. The deep groundwater quality detection well device according to claim 4, wherein: the material of the fixed layer (401) is concrete.

6. The deep groundwater quality detection well device according to claim 5, wherein: the diameter of the water through hole is smaller than that of the quartz sand.

7. A deep groundwater quality detection logging apparatus as claimed in claim 1, 2, 3, 4, 5 or 6, wherein: the anti-collision device further comprises an anti-collision rod (7) which is arranged above the ground and positioned around the protective sleeve (2).

8. The deep groundwater quality detection well device according to claim 7, wherein: the well pipe (1) and the protective sleeve (2) are made of PVC.