CN220177751U

CN220177751U - Pipeline flushing device

Info

Publication number: CN220177751U
Application number: CN202321268394.XU
Authority: CN
Inventors: 韩成; 辛本军; 李潘; 陈云; 王童童; 史慧梅; 姚洪猛; 刘兵; 范惠铭; 万淳义
Original assignee: Huaneng Hainan Changjiang Nuclear Power Co ltd
Current assignee: Huaneng Hainan Changjiang Nuclear Power Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-12-15
Anticipated expiration: 2033-05-23

Abstract

The utility model provides a pipeline flushing device, belongs to the technical field of nuclear power, and is used for solving the problem of impurity deposition caused by unclean pipeline flushing. The pipe flushing device of the present utility model comprises: a water tank and a circulating pump. The water tank is connected with a water return pipe and a water outlet pipe. The free end of the return pipe is provided with a first pipeline interface. The water inlet end of the circulating pump is connected with the free end of the water outlet pipe, and the water outlet end of the circulating pump is provided with a second pipeline interface. The first pipeline interface and the second pipeline interface are respectively used for being connected to two ends of a pipeline to be flushed. The pipeline flushing device can realize the rapid pipeline circulation flushing of various pipelines, ensure the cleanliness of the pipelines to meet the requirements, avoid the deposition of impurities in system equipment and avoid the corrosion problem caused by the deposition of impurities.

Description

Pipeline flushing device

Technical Field

The utility model belongs to the technical field of nuclear power, and particularly relates to a pipeline flushing device.

Background

In the pipeline installation process of a nuclear power plant, a prefabricated pipeline is required to be washed, so that impurities attached to the pipeline are washed cleanly, and the requirement of the pipeline on cleanliness is met. Because the pipelines are various in types and different in length, the high-pressure water gun is generally used for flushing on site, when the pipelines are longer, the problem of uncleanness in flushing easily occurs, the flushing time of the subsequent whole process system can be prolonged, impurities are deposited at the pipeline interface of equipment, and equipment is corroded.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art or related art.

Accordingly, the present utility model provides a pipe flushing device comprising: a water tank and a circulating pump. The water tank is connected with a water return pipe and a water outlet pipe. The free end of the return pipe is provided with a first pipeline interface. The water inlet end of the circulating pump is connected with the free end of the water outlet pipe, and the water outlet end of the circulating pump is provided with a second pipeline interface. The first pipeline interface and the second pipeline interface are respectively used for being connected to two ends of a pipeline to be flushed.

Optionally, the pipe flushing device comprises: a housing. A baffle is arranged in the shell. The partition plate divides the housing into a first cavity and a second cavity. The first cavity is a water tank. The circulating pump is located in the second cavity.

Optionally, the second cavity includes: a backing plate. The backing plate is arranged at the bottom of the second cavity. The circulating pump is positioned on the backing plate.

Optionally, a filter is arranged at the water inlet end of the circulating pump.

Optionally, the water tank includes: a magnetic rod. The magnetic rod is positioned at the bottom of the water tank.

Optionally, the water tank includes: and a liquid level display window. The liquid level display window is arranged on the side wall of the water tank. The liquid level display window extends from the top of the side wall to the bottom of the side wall.

Optionally, the water tank further comprises: a water inlet and a sewage outlet. The water filling port is arranged at the top of the water tank. The drain is arranged at the bottom of the water tank.

Optionally, the first pipe connector and the second pipe connector are respectively provided with a connecting flange.

Optionally, the first pipe connector and the second pipe connector are respectively provided with a pipe clamp.

Optionally, valves are respectively arranged on the water return pipe and the water outlet pipe.

Advantageous effects

When the pipeline flushing device provided by the embodiment of the utility model is used, the first pipeline connector and the second pipeline connector are respectively connected to two ends of a pipeline to be flushed, water in the water tank is pumped into one end of the pipeline to be flushed by the circulating pump, flushing water flows through the pipeline to be flushed, and the flushing water flows from the other end of the pipeline to be flushed and returns to the water tank through the return pipe. The pipeline flushing device disclosed by the utility model can be used for pipelines with various lengths, is not only suitable for straight pipes, but also suitable for bent pipes, can realize rapid pipeline circulation flushing on various pipelines, ensures that the cleanliness of the pipelines meets the requirements, avoids the deposition of impurities in system equipment, and avoids the corrosion problem caused by the deposition of impurities.

Drawings

Fig. 1 is a schematic structural view of a pipeline flushing device according to an embodiment of the present utility model.

The reference numerals are expressed as:

1. a water inlet; 2. a water return pipe; 3. a first pipe interface; 4. a water tank; 5. a sewage outlet; 6. a magnetic rod; 7. a liquid level display window; 8. a water outlet pipe; 9. a backing plate; 10. a second pipe interface; 11. a circulation pump; 12. a filter; 13. a housing; 14. a partition plate; 15. and (5) connecting pipes.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 according to the specific circumstances.

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Fig. 1 is a schematic structural diagram of a pipeline flushing device according to the present embodiment.

As shown in fig. 1, the pipe flushing device of the present embodiment includes: a water tank 4 and a circulation pump 11. The water tank 4 is connected with a water return pipe 2 and a water outlet pipe 8. The free end of the return pipe 2 is provided with a first pipe joint 3. The water inlet end of the circulating pump 11 is connected with the free end of the water outlet pipe 8, and the water outlet end of the circulating pump 11 is provided with a second pipeline interface 10. The first pipe joint 3 and the second pipe joint 10 are respectively used for being connected to two ends of a pipe to be flushed.

In some examples, referring to fig. 1, the water tank 4 is made of metal or plastic, and the present embodiment does not limit the material to any extent as long as it can store water.

In some examples, as shown in fig. 1, the water tank 4 may be square or cylindrical in shape.

In some examples, referring to fig. 1, the circulation pump 11 is used to convey the flushing water in the water tank 4 into the pipeline to be cleaned to form a circulation flow, and has the advantages of self-absorption capability, low noise, high efficiency and the like.

In some examples, as shown in fig. 1, a connection pipe 15 is connected to the water outlet end of the circulation pump 11; the second pipe joint 10 is provided at the free end of the connecting pipe 15. So arranged, the connection of the circulation pump 11 and the pipe to be cleaned is facilitated.

In some examples, referring to fig. 1, the return pipe 2 and the outlet pipe 8 may be at least one of a metal pipe, a plastic-composite metal pipe, and a plastic pipe. It will be appreciated that the materials of the return pipe 2 and the outlet pipe 8 may be the same or different.

When the pipeline flushing device provided in the embodiment is used, the first pipeline connector 3 and the second pipeline connector 10 are respectively connected to two ends of a pipeline to be flushed, water in the water tank 4 is pumped into one end of the pipeline to be flushed by the circulating pump 11, flushing water flows through the pipeline to be flushed, and returns to the water tank from the other end of the pipeline to be flushed through the return pipe 2. The pipeline flushing device disclosed by the utility model can be used for pipelines with various lengths, is not only suitable for straight pipes, but also suitable for bent pipes, can realize rapid cyclic flushing of various pipelines, ensures that the cleanliness of the pipelines meets the requirements, avoids the deposition of impurities in system equipment, and avoids the corrosion problem caused by the deposition of impurities.

In some embodiments, as shown in fig. 1, a pipe flushing device includes: a housing 13. A partition 14 is provided in the housing 13. The partition 14 divides the housing 13 into a first chamber and a second chamber. The first cavity is a water tank 4. The circulation pump 11 is located in the second chamber.

In some examples, referring to fig. 1, the housing 13 is made of metal or plastic. This embodiment does not impose excessive restrictions.

In some examples, referring to fig. 1, the partition 14 is integrally formed with the housing 13, so as to ensure the sealing of the connection between the partition 14 and the inner wall of the housing 13. In other embodiments, the partition 14 may be connected to the inner wall of the housing 13 by welding or hot-melt.

The water tank 4 and the circulating pump 11 of the present embodiment are integrally provided on one housing 13, and have a stronger integrity. However, in other embodiments, the water tank 4 and the circulation pump 11 may be separately provided, and an integrated structure is not used.

In some embodiments, as shown in fig. 1, the second cavity includes: and a backing plate 9. The backing plate 9 is arranged at the bottom of the second cavity. The circulation pump 11 is located on the backing plate 9.

In some examples, referring to fig. 1, the backing plate 9 is a metal or plastic frame and is fixedly connected to the housing 13 for supporting the circulation pump 11.

In other examples, referring to fig. 1, the pad 9 may be made of rubber.

In this embodiment, the bottom of the circulation pump 11 is provided with the pad 9, so that the circulation pump 11 is raised, and water inflow of the motor of the circulation pump 11 can be prevented.

In some embodiments, as shown in FIG. 1, the water inlet end of the circulation pump 11 is provided with a filter 12.

In some examples, as shown in fig. 1, a filter 12 is provided on the outlet pipe 8. It will be appreciated that in other embodiments, the filter 12 may also be provided at the water inlet of the circulation pump 11.

In this embodiment, the filter 12 is disposed at the water inlet end of the circulation pump 11, so that large particle impurities in the backwater can be prevented from entering the circulation pump 11 to damage the circulation pump 11.

In some embodiments, as shown in fig. 1, the water tank 4 includes: a magnetic bar 6. The magnetic bar 6 is positioned at the bottom of the water tank 4.

In some examples, referring to fig. 1, the number of the magnetic bars 6 may be one, two or more, specifically set according to the use requirement, which is not limited in any way in this embodiment.

In some examples, as shown in fig. 1, a magnetic rod 6 is inserted into the tank 4 through a drain 5, so configured to facilitate removal and placement. It will be appreciated that in other embodiments, a special socket for the magnetic rod 6 may be provided on the water tank 4.

In some examples, as shown in fig. 1, the magnetic bar 6 is disposed at the bottom of the water tank 4 in a horizontal direction. So arranged, it is convenient to adsorb the rust and other substances deposited at the bottom of the water tank 4. In other embodiments, the magnetic rod 6 may be disposed in the water tank 4 along a vertical direction so as to absorb the rust and other substances floating in the water tank 4.

In this embodiment, the magnetic rod 6 is disposed at the bottom of the water tank 4, so that the substances such as rust and the like washed out from the pipeline can be adsorbed.

In some embodiments, as shown in fig. 1, the water tank 4 includes thereon: a liquid level display window 7. A liquid level display window 7 is provided on the side wall of the water tank 4. The liquid level display window 7 extends from the top of the side wall to the bottom of the side wall.

In some examples, the material of the liquid level display window 7 is toughened glass or plastic. As long as it is transparent and can withstand water pressure, this embodiment does not impose excessive restrictions.

In this embodiment, the liquid level display window 7 is arranged on the water tank 4, so that the liquid level can be visually displayed, and the turbidity degree of the backwater can be visually displayed through the liquid level display window 7, so that whether water change is needed or not can be judged.

In some embodiments, as shown in fig. 1, the water tank 4 further includes: a water inlet 1 and a sewage outlet 5. The water filling port 1 is arranged at the top of the water tank 4. The drain outlet 5 is arranged at the bottom of the water tank 4.

In the embodiment, the water tank 4 is provided with the water filling port 1 and the sewage draining port 5, and when the water quantity is insufficient and the water is needed to be replenished, clean water can be filled into the water tank 4 through the water filling port 1 at the top of the water tank 1; when the water is required to be drained, the sewage is discharged from the sewage outlet 5 at the bottom of the water tank 4, and impurities at the bottom of the water tank 4 can be discharged.

In some embodiments, referring to fig. 1, the first pipe joint 3 and the second pipe joint 10 are respectively provided with a connection flange.

The first pipeline interface 3 and the second pipeline interface 10 of this embodiment are respectively provided with a connecting flange, and the flanges are used for connecting the two ends of the pipeline to be flushed, so that the disassembly is convenient and the tightness is good.

In some embodiments, referring to fig. 1, a pipe clip is provided on each of the first pipe interface 3 and the second pipe interface 10.

The first pipeline connector 3 and the second pipeline connector 10 of the embodiment are respectively provided with a pipeline clamp, and the pipeline clamps are used for connecting two ends of a pipeline to be flushed, so that the pipeline flushing device is convenient to use.

In some embodiments, referring to fig. 1, valves are provided on the return pipe and the outlet pipe, respectively.

In the embodiment, the valves are respectively arranged on the water return pipe and the water outlet pipe, so that the flow of flushing water can be prevented, and the flushing process can be conveniently regulated and controlled.

It will be readily appreciated by those skilled in the art that the above advantageous ways can be freely combined and superimposed without conflict.

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, and alternatives falling within the spirit and principles of the utility model. The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. A pipe flushing device, comprising:

the water tank is connected with a water return pipe and a water outlet pipe; the free end of the water return pipe is provided with a first pipeline interface;

the water inlet end of the circulating pump is connected with the free end of the water outlet pipe, and the water outlet end of the circulating pump is provided with a second pipeline interface;

the first pipeline interface and the second pipeline interface are respectively used for being connected to two ends of a pipeline to be flushed.

2. The pipe flushing apparatus of claim 1, comprising:

the shell is internally provided with a baffle plate; the partition plate divides the shell into a first cavity and a second cavity; the first cavity is the water tank; the circulating pump is located in the second cavity.

3. The pipe flushing apparatus of claim 2 wherein the second chamber comprises:

the base plate is arranged at the bottom of the second cavity; the circulating pump is positioned on the backing plate.

4. A pipe flushing device as claimed in any one of claims 1 to 3 wherein the water inlet end of the circulation pump is provided with a filter.

5. The pipe flushing apparatus of claim 1 wherein said tank includes:

and the magnetic rod is positioned at the bottom of the water tank.

6. The pipe flushing apparatus of claim 1 wherein said tank includes:

the liquid level display window is arranged on the side wall of the water tank; the liquid level display window extends from the top of the side wall to the bottom of the side wall.

7. The pipe flushing apparatus of claim 1 wherein said tank further comprises:

a water inlet which is arranged at the top of the water tank;

the sewage outlet is arranged at the bottom of the water tank.

8. The pipe flushing apparatus of claim 1 wherein said first pipe interface and said second pipe interface are each provided with a connecting flange.

9. The pipe flushing apparatus of claim 1 wherein the first pipe interface and the second pipe interface are each provided with a pipe clip.

10. The pipe flushing apparatus of claim 1 wherein valves are provided on said return pipe and said outlet pipe, respectively.