CN220851776U

CN220851776U - Underground pipeline system

Info

Publication number: CN220851776U
Application number: CN202322612707.5U
Authority: CN
Inventors: 卢秋明; 陆学佳; 李帅
Original assignee: Ccdi Zunhua Thermal Power Co ltd
Current assignee: Ccdi Zunhua Thermal Power Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-04-26
Anticipated expiration: 2033-09-26

Abstract

The utility model provides a downhole pipeline system, which comprises a well body, a well cover arranged above the well body and a pipeline body arranged below the well body, wherein a drain pipe is arranged on the well body at a position corresponding to the lower part of the pipeline body; the pressure relief pipe is arranged corresponding to the inlet end of the flow transmitter, one end of the pressure relief pipe is communicated with the pipeline body, the other end of the pressure relief pipe is provided with a pressure relief valve, and the well lid is provided with an exhaust hole; a shielding cover is arranged on the pipeline body at a position corresponding to the flow transmitter and the pressure relief pipe, and a passing gap is formed between the shielding cover and the inner wall of the well body; one side of the shielding cover facing the well cover is provided with a positioning component matched with the well cover, and the other side of the shielding cover is provided with a positioning groove matched with the pipeline body. The utility model provides a pipeline system for underground use, which has the advantages of simple structure, high operation stability, good safety and convenient use and maintenance.

Description

Underground pipeline system

Technical Field

The utility model belongs to the field of pipelines, and particularly relates to an underground pipeline system.

Background

Pipeline systems are commonly used in thermal power plants for conveying various fluids, and pipeline flow transmitters are one of the commonly used flowmeters of numerous industrial enterprises, including thermal power enterprises, and are beneficial to improving the stability and safety of pipeline system operation by monitoring the flow in the pipeline.

In practice, flow transmitters are often used to measure flow at underground pipes, except at conventional measurement locations, where the flow transmitter is installed downhole. Although the existing flow transmitter has good protection level, the underground topography is low, the environment is poor, rainwater often flows into the well body through the well lid exhaust hole in rainy days, the flow transmitter is in contact with the rainwater, sundries such as silt and leaves carried by the rainwater can be accumulated on the flow transmitter, the flow transmitter and the junction of the flow transmitter and a pipeline are easily corroded after organic matters are putrefactive, the service life of the flow transmitter can be possibly influenced, and therefore the underground flow transmitter needs to be cleaned and maintained at regular time, but the underground installation and maintenance of the flow transmitter are inconvenient, and the integral use and maintenance difficulty of an underground pipeline system are increased. Therefore, in order to prolong the service life of the flow transmitter and reduce the maintenance frequency, the flow transmitter should be prevented from contacting with water for a long time as much as possible. In addition, since the pressure may not be stable during the actual operation of the pipeline system, and the fluctuation of the pressure may cause damage to the flow transmitter and also affect the service life of the flow transmitter, it is preferable to provide an additional protection device to reduce the influence of the pressure fluctuation on the flow transmitter and ensure that the pipeline system can continuously and stably operate.

Disclosure of utility model

In view of the above, the present utility model aims to provide an underground piping system, so as to solve the problem that the existing underground piping system lacks protection for the flow transmitter, and affects the stability and safety of the operation of the piping system.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

The underground pipeline system comprises a well body, a well cover arranged above the well body and a pipeline body arranged below the well body, wherein a drain pipe is arranged on the well body at a position corresponding to the lower part of the pipeline body; the pressure relief pipe is arranged corresponding to the inlet end of the flow transmitter, one end of the pressure relief pipe is communicated with the pipeline body, the other end of the pressure relief pipe is provided with a pressure relief valve, and the well lid is provided with an exhaust hole; a shielding cover is arranged on the pipeline body at a position corresponding to the flow transmitter and the pressure relief pipe, and a passing gap is formed between the shielding cover and the inner wall of the well body; one side of the shielding cover facing the well cover is provided with a positioning assembly matched with the well cover, the other side of the shielding cover is provided with a positioning groove matched with the pipeline body, and a partition plate used for isolating the flow transmitter and the pressure relief pipe is arranged in the shielding cover.

Further, the locating component comprises a threaded sleeve vertically arranged on the shielding cover and a threaded rod arranged in the threaded sleeve, one end of the threaded rod is in threaded connection with the threaded sleeve, and the other end of the threaded rod is provided with a locating piece used for supporting the well lid.

Further, be equipped with on the pipeline body with constant head tank complex manger plate ring, manger plate ring is equipped with the breakwater towards one side of flow transmitter.

Further, the water retaining ring is detachably arranged on the pipeline body, the water retaining ring comprises an upper semi-ring and a lower semi-ring, the upper semi-ring is connected with the lower semi-ring through connecting bolts, and the water retaining plate is arranged on the upper semi-ring.

Further, the connecting bolts are arranged at the left side and the right side of the corresponding water blocking ring, and the shielding cover is provided with an assembly groove matched with the connecting bolts.

Furthermore, the water baffle is provided with a cone end part which is convenient for being inserted into the shielding cover.

Further, the locating piece is a cross-shaped structural piece.

Further, one side of the shielding cover facing the well lid is provided with an arc surface.

Further, the pressure relief pipe is vertical to be set up on the pipeline body, and the pressure relief pipe is equipped with the kink that is used for setting up the relief valve towards one side of well lid.

Compared with the prior art, the underground pipeline system has the following advantages:

The utility model provides a pipeline system for underground use, which has the advantages of simple structure, high operation stability, good safety and convenient use and maintenance. Through set up flow transmitter on the pipeline body, can realize the control to the flow in the pipe-line system, through setting up relief pipe and relief valve in the position that corresponds flow transmitter entrance point on the pipeline body simultaneously, utilize the relief valve can also realize the stability to the fluid pressure in the pipeline body, reduce the influence of pressure fluctuation to flow transmitter, be favorable to improving flow transmitter's stability and life. In addition, through setting up the shielding cover that can conveniently dismantle on the pipeline body, utilize shielding cover to realize the shielding to flow transmitter closes the relief valve, can reduce debris such as rainwater and to flow transmitter and relief valve's influence, ensure that flow transmitter and relief valve can last stable work in the pit, be favorable to further improving stability and the security of this kind of pipe-line system in the actual operation in-process.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of a downhole piping system according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a shielding cover in a downhole piping system according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a shield in a downhole tubing system according to an embodiment of the present utility model;

Fig. 4 is a schematic structural view of a water blocking ring in a downhole piping system according to an embodiment of the present utility model.

Reference numerals illustrate:

1. A well body; 2. a well cover; 3. an exhaust hole; 4. a blow-down pipe; 5. a pipe body; 6. a flow transmitter; 7. a positioning piece; 8. a threaded rod; 9. a thread sleeve; 10. a shielding cover; 11. a partition plate; 12. a water blocking ring; 13. a pressure relief tube; 14. a pressure release valve; 15. an assembly groove; 16. a positioning groove; 17. a lower half ring; 18. an upper half ring; 19. a connecting bolt; 20. and a water baffle.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The utility model provides a pipeline system is used in pit, as shown in fig. 1 to 4, includes well body 1, well lid 2 that well body 1 top set up and the pipeline body 5 that well body 1 below set up, the position that corresponds pipeline body 5 below on the well body 1 is equipped with blow off pipe 4. Specifically, the well body 1 can be formed by concrete pouring or brick piling, the drain pipe 4 can be embedded below the well body 1 and communicated with the well body 1, and the drain pipe 4 can be connected with a municipal sewage pipeline or a sewage treatment pipeline so as to realize the discharge of rainwater stored in the well body 1 and ensure that no water is accumulated in the well body 1. Those skilled in the art may also select other suitable well bodies 1 and drain pipes 4 according to actual needs, and will not be described herein.

The pipeline body 5 is provided with a flow transmitter 6 and a pressure relief pipe 13, the pressure relief pipe 13 is arranged corresponding to the inlet end of the flow transmitter 6, one end of the pressure relief pipe 13 is communicated with the pipeline body 5, the other end of the pressure relief pipe is provided with a pressure relief valve 14, and the well cover 2 is provided with an exhaust hole 3; a shielding cover 10 is arranged on the pipeline body 5 at a position corresponding to the flow transmitter 6 and the pressure relief pipe 13, and a passing gap is formed between the shielding cover 10 and the inner wall of the well body 1; one side of the shielding cover 10 facing the well cover 2 is provided with a positioning component, the other side is provided with a positioning groove 16 matched with the pipeline body 5, and a partition plate 11 for isolating the flow transmitter 6 and the pressure relief pipe 13 is arranged in the shielding cover 10.

Illustratively, the flow transmitter 6 and the pipe body 5 may be connected by a flange, the pressure relief pipe 13 may be fixed on the pipe body 5, the pressure relief valve 14 and the pressure relief pipe 13 may also be connected by a flange, a person skilled in the art may select a suitable manner to install the flow transmitter 6 and the pressure relief pipe 13 on the pipe body 5 according to actual needs, and install the pressure relief valve 14 on the pressure relief pipe 13, which will not be described herein again.

Optionally, the accommodating cavity is formed in the shielding cover 10, an opening which is convenient for exhausting or draining is formed below the shielding cover 10, and the shielding cover 10 can be made of a corrosion-resistant plastic material, such as Teflon or PVC, and compared with other materials, the corrosion-resistant plastic material is light in weight and corrosion-resistant, can play a good shielding protection role on the flow transmitter 6 and the pressure release pipe 13, and meanwhile, cannot exert too much weight on the pipe body 5, and cannot influence the stable operation of a pipeline system. Through set up shielding cover 10 on pipeline body 5, shielding cover 10 can play good barrier to the rainwater that falls through well lid 2 and debris that carry in the rainwater, avoids rainwater etc. directly to fall on flow transmitter 6 and the relief valve 14 to be favorable to improving flow transmitter 6 and the life of relief valve 14, reduce the use and the maintenance degree of difficulty of both.

Illustratively, the partition plate 11 may be integrally formed with the shielding cover 10, and also made of a corrosion-resistant plastic material. Through set up the division board 11 that is used for keeping apart flow transmitter 6 and pressure release pipe 13 in shielding cover 10, through relief valve 14 exhaust fluid can be blocked by division board 11 to finally discharge shielding cover 10 through the opening of shielding cover 10 below, can not cause the influence to flow transmitter 6 external structure, also be favorable to improving flow transmitter 6's life.

Optionally, the locating component includes the screw thread cover 9 of vertical setting on the shielding cover 10 and the threaded rod 8 that sets up in the screw thread cover 9, threaded rod 8 one end and screw thread cover 9 threaded connection, the other end is equipped with the setting element 7 that is used for propping up well lid 2. The threaded sleeve 9 is arranged corresponding to the middle of the shielding cover 10, and the threaded rod 8 and the threaded sleeve 9 are coaxially arranged.

In the practical application process, the thread bush 9 can be fixed on the shielding cover 10, the thread bush 9, the threaded rod 8 and the positioning piece 7 can also be made of corrosion-resistant plastic materials, and the positioning piece 7 is fixed on the threaded rod 8. Through set up locating component on shielding cover 10, operating personnel can twist setting element 7 earlier before installing well lid 2 for setting element 7 can be close to the well head, later operating personnel can cover well lid 2, utilizes well lid 2 and setting element 7 cooperation, realizes spacing to shielding cover 10, thereby prevents that shielding cover 10 from empting, ensures that shielding cover 10 can last stable convection current derailleur 6 and relief valve 14 play the shielding protection effect.

Optionally, the setting element 7 is cross structure, compares with other structures, and the setting element 7 of cross is bigger with the area of contact of well lid 2, and stability is better, and setting element 7 of cross is also convenient for operating personnel to rotate moreover to drive threaded rod 8 and rotate, realize the altitude mixture control of setting element 7. Through the locating component who adopts above-mentioned structure, the dismouting of shielding cover 10 is all very convenient, can not influence operating personnel to the normal maintenance use of flow transmitter 6 and relief valve 14, and operating personnel if need when maintaining flow transmitter 6 or relief valve 14, only need utilize locating piece 7 will shielding cover 10 to propose well body 1 can, easy and simple to handle.

Optionally, the pipe body 5 is provided with a water blocking ring 12 matched with the positioning groove 16, and a water blocking plate 20 is arranged on one side of the water blocking ring 12 facing the flow transmitter 6. Illustratively, the water retaining ring 12 is detachably mounted on the pipe body 5, the water retaining ring 12 includes an upper half ring 18 and a lower half ring 17, the upper half ring 18 and the lower half ring 17 are connected by a connecting bolt 19, and mounting holes for mounting the connecting bolt 19 are formed in the upper half ring 18 and the lower half ring 17, wherein the water retaining plate 20 is fixed on the upper half ring 18. Through adopting detachable manger plate ring 12 structure, the operating personnel of being convenient for installs manger plate ring 12 on pipeline body 5, manger plate board 20 on manger plate ring 12 also can play good blocking effect to the rainwater that flows down through the shielding cover 10 outside, avoids the rainwater to flow to the inside shielding cover 10 along pipeline body 5 to the protection effect of shielding cover 10 to flow transmitter 6 has been improved.

In the practical application process, two connecting bolts 19 are arranged at the left side and the right side of the water retaining ring 12, and two mounting holes matched with the connecting bolts 19 are formed in the corresponding upper half ring 18 and the lower half ring 17. Wherein, the shielding cover 10 is provided with an assembly groove 15 matched with the connecting bolt 19. Through set up on shielding cover 10 with connecting bolt 19 complex assembly groove 15, not only be favorable to shielding cover 10 and the better cooperation of manger plate ring 12, utilize assembly groove 15 and connecting bolt 19 cooperation moreover, can also play good spacing effect to shielding cover 10, avoid shielding cover 10 to take place horizontal migration, further ensure that shielding cover 10 can last stable flow and send ware 6 and relief valve 14 play shielding protection effect. In addition, the water baffle 20 can also play a role in positioning the shielding cover 10 by supporting the inner wall of the shielding cover 10, and the shielding cover 10 can be kept stable under the combined action of the water baffle 20 and the connecting bolts 19.

Optionally, a cone end portion is provided above the water deflector 20 to facilitate insertion into the shield 10. By providing the tapered end portion, the difficulty in alignment and installation of the shield 10 can be further reduced.

Optionally, an arc surface is arranged on the side of the shielding cover 10 facing the well cover 2. By arranging the arc surface part on the shielding cover 10, the arc surface part can prevent rainwater and sundries from accumulating on the shielding cover 10, thereby being convenient for operators to detach the shielding cover 10.

Optionally, the pressure release pipe 13 is vertically arranged on the pipeline body 5, and a bending part for arranging the pressure release valve 14 is arranged on one side of the pressure release pipe 13 facing the well lid 2. Illustratively, the vertical end of the bending part is fixed on the pressure relief pipe 13, and the pressure relief valve 14 is installed on the horizontal end of the bending part, so that the pressure relief valve 14 is convenient for operators to use and maintain by arranging the bending part. Through set up pressure release pipe 13 on pipeline body 5 to set up relief valve 14 on pressure release pipe 13, utilize relief valve 14 to carry out the pressure release to pipeline body 5, be favorable to guaranteeing the pressure stabilization of the interior fluidic of pipeline body 5, thereby make the pressure maintenance that gets into flow transmitter 6 stable, improved stability and reliability in the flow transmitter 6 operation process.

The utility model provides a pipeline system for underground use, which has the advantages of simple structure, high operation stability, good safety and convenient use and maintenance. Through set up flow transmitter on the pipeline body, can realize the control to the flow in the pipe-line system, through setting up relief pipe and relief valve in the position that corresponds flow transmitter entrance point on the pipeline body simultaneously, utilize the relief valve can also realize the stability to the fluid pressure in the pipeline body, reduce the influence of pressure fluctuation to flow transmitter, be favorable to improving flow transmitter's stability and life.

In addition, through setting up the shielding cover that can conveniently dismantle on the pipeline body, utilize shielding cover to realize the shielding to flow transmitter closes the relief valve, can reduce debris such as rainwater and to flow transmitter and relief valve's influence, ensure that flow transmitter and relief valve can last stable work in the pit, be favorable to further improving stability and the security of this kind of pipe-line system in the actual operation in-process.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A downhole tubing, comprising: the well comprises a well body (1), a well cover (2) arranged above the well body (1) and a pipeline body (5) arranged below the well body (1), wherein a drain pipe (4) is arranged at a position on the well body (1) corresponding to the lower part of the pipeline body (5); the pressure relief pipe (13) is arranged corresponding to the inlet end of the flow transmitter (6), one end of the pressure relief pipe (13) is communicated with the pipeline body (5), the other end of the pressure relief pipe is provided with a pressure relief valve (14), and the well cover (2) is provided with an exhaust hole (3); a shielding cover (10) is arranged on the pipeline body (5) corresponding to the position of the flow transmitter (6) and the pressure relief pipe (13), and a passing gap exists between the shielding cover (10) and the inner wall of the well body (1); one side of the shielding cover (10) facing the well cover (2) is provided with a positioning component which can be matched with the well cover (2), the other side of the shielding cover is provided with a positioning groove (16) which is matched with the pipeline body (5), and a partition plate (11) which is used for isolating the flow transmitter (6) and the pressure relief pipe (13) is arranged in the shielding cover (10).

2. A downhole tubing system according to claim 1, wherein: the locating component comprises a threaded sleeve (9) which is vertically arranged on a shielding cover (10) and a threaded rod (8) which is arranged in the threaded sleeve (9), one end of the threaded rod (8) is in threaded connection with the threaded sleeve (9), and the other end of the threaded rod is provided with a locating piece (7) which is used for propping up the well cover (2).

3. A downhole tubing system according to claim 1, wherein: be equipped with on the pipeline body (5) with constant head tank (16) complex water retaining ring (12), one side that water retaining ring (12) towards flow transmitter (6) is equipped with breakwater (20).

4. A downhole tubing system according to claim 3, wherein: the water retaining ring (12) is detachably arranged on the pipeline body (5), the water retaining ring (12) comprises an upper half ring (18) and a lower half ring (17), the upper half ring (18) and the lower half ring (17) are connected through connecting bolts (19), and the water retaining plate (20) is arranged on the upper half ring (18).

5. A downhole tubing system according to claim 4, wherein: the two connecting bolts (19) are arranged on the left side and the right side of the water blocking ring (12), and the shielding cover (10) is provided with an assembly groove (15) matched with the connecting bolts (19).

6. A downhole tubing system according to claim 4, wherein: the water baffle (20) is provided with a cone end part which is convenient to insert the shielding cover (10).

7. A downhole tubing system according to claim 1, wherein: the positioning piece (7) is a cross-shaped structural piece.

8. A downhole tubing system according to claim 1, wherein: one side of the shielding cover (10) facing the well cover (2) is provided with an arc surface.

9. A downhole tubing system according to claim 1, wherein: the pressure relief pipe (13) is vertically arranged on the pipeline body (5), and a bending part for arranging the pressure relief valve (14) is arranged on one side of the pressure relief pipe (13) facing the well lid (2).