CN218894767U - Complete water cooling device for relay pump station - Google Patents

Abstract

The utility model provides a complete water cooling device for a relay pump station, which belongs to the technical field of water cooling and comprises a bottom frame, wherein a circulating pump, a first water storage tank, a heat exchanger, a shaft seal pump, a second water storage tank, a filter and an electric cabinet are arranged on the bottom frame. The water cooling device provided by the utility model has the advantages that the structure is compact, the space utilization rate is improved, the adaptation to the tunnel environment with a narrow environment is facilitated, in addition, the pressure in a cooling pipeline of the slurry shield machine is compensated, the cooling efficiency is improved, and the cooling control problem of the slurry shield machine is solved to a greater extent.

Description

Complete water cooling device for relay pump station

Technical Field

The utility model relates to the technical field of water cooling, in particular to a complete water cooling device for a relay pump station.

Background

In a high-temperature and high-humidity tunnel environment, a huge slurry pump of key equipment of the shield machine can generate a large amount of heat, in particular to a main motor of 1100 kilowatts and a large variable-frequency control cabinet, and the main motor and the control cabinet are particularly important in cooling in order to maintain normal operation of the shield machine.

In the prior art, a cooling pipeline is paved on a main motor and a control cabinet for cooling, an outlet of the cooling pipeline is connected with a circulating pump, the circulating pump is connected with a heat exchanger, and the heat exchanger is connected with an inlet of the cooling pipeline; the cold fluid becomes hot fluid after running in the cooling pipeline for a week, the hot fluid is led out from the cooling pipeline to the circulating pump, and after being pressurized by the circulating pump, the hot fluid enters the heat exchanger to be cooled into cold fluid, and finally enters the cooling pipeline to be recycled.

With respect to the related art, the inventor believes that the problems of insufficient pressure of the cooling pipeline, low operation efficiency of fluid in the cooling pipeline and unstable cooling working condition often occur due to complicated topography in the tunnel, huge equipment size and long cooling pipeline.

Disclosure of Invention

In order to compensate the pressure in a cooling pipeline and improve the running efficiency of fluid in the cooling pipeline and stabilize the cooling working condition, the utility model provides a complete water cooling device of a relay pump station, which comprises the following components:

the water inlet of the circulating pump is suitable for being connected with a cooling pipeline of the shield machine;

the first water storage tank is communicated with the water outlet of the circulating pump;

the water inlet of the heat exchanger is communicated with the first water storage tank, and the water outlet of the heat exchanger is suitable for being connected with a cooling pipeline of the shield machine;

the second water storage tank is suitable for being connected with a cooling pipeline of the shield machine;

the water inlet of the shaft seal pump is suitable for being connected with cooling water, and the water outlet of the shaft seal pump is communicated with the second water storage tank;

the electric control box is electrically connected with the circulating pump and the shaft seal pump;

the circulating pump, the first water storage tank, the heat exchanger, the second water storage tank, the shaft seal pump and the electric cabinet are all arranged on the bottom frame.

Optionally, be provided with the nest of tubes that advances on the water inlet of circulating pump, advance the nest of tubes and including the first inlet tube, second inlet tube and the third inlet tube of intercommunication in proper order, the one end intercommunication that the circulating pump was kept away from to the third inlet tube has a plurality of return bends, and the return bend is applicable to and directly links to each other with the cooling line export of shield structure machine.

Optionally, a circulating pump seat is fixed on the bottom frame, and the circulating pump is fixedly connected above the circulating pump seat.

Optionally, a drain valve and a bleed valve are arranged on the first water storage tank.

Optionally, a shaft seal pump seat is fixed on the bottom frame, and the shaft seal pump is fixedly connected above the shaft seal pump seat.

Optionally, a water level gauge is fixedly communicated with the second water storage tank.

Optionally, a drain valve and an exhaust valve are arranged on the second water storage tank.

Optionally, the second water storage tank is communicated with a filter, the filter is fixedly communicated with a water outlet pipe, and one end of the water outlet pipe, which is away from the filter, is applicable to being directly connected with an inlet of a cooling pipeline of the shield machine.

The technical scheme of the utility model has the following advantages:

1. according to the utility model, the circulating pump is matched with the shaft seal pump, so that the pressure in the cooling pipeline of the shield machine is compensated, the running efficiency of fluid in the cooling pipeline is further improved, and the design of the first water storage tank and the second water storage tank is beneficial to further balancing the pipeline pressure in the cooling pipeline and the water cooling device, and the stability of the cooling working condition is improved.

2. According to the utility model, the circulating pump, the first water storage tank, the heat exchanger, the shaft seal pump and the second water storage tank are collected together by utilizing the bottom frame, so that the structure is compact, the space utilization rate is improved, the transportation of the water cooling device is facilitated, and the adaptation of the water cooling device to the environment of a tunnel with narrow environment is also facilitated.

3. The water cooling device provided by the utility model is provided with the filter, the filter is favorable for removing impurities in a pipeline of the water cooling device, the probability of pipeline blockage is reduced, and the use smoothness and the service life of the water cooling device are improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a partial schematic view intended to show a bottom frame;

FIG. 3 is a partial schematic view intended to show a circulation pump, a first water storage tank and a heat exchanger;

fig. 4 is a partial schematic view intended to show a heat exchanger and a filter, a shaft seal pump and a second water storage tank.

Reference numerals illustrate: 1. a bottom frame; 11. a frame; 12. an inner beam; 13. reinforcing ribs; 14. a circulating pump seat; 15. a shaft seal pump seat; 16. a support plate; 17. an electric control box; 2. a water inlet pipe group; 21. a first water inlet pipe; 22. a second water inlet pipe; 23. a third water inlet pipe; 231. a three-way pipe; 232. bending the pipe; 3. a circulation pump; 31. a water pipe; 4. a first water storage tank; 41. a water discharge valve; 42. a bleed valve; 5. connecting the tube group; 51. a first connection pipe; 52. a second connection pipe; 53. a third connection pipe; 6. a heat exchanger; 61. a water supply pipe; 62. a water supply pipe; 7. a communicating tube group; 71. a first communication pipe; 72. a second communicating pipe; 73. a third communicating pipe; 74. a fourth communicating pipe; 75. a fifth communicating pipe; 8. a shaft seal pump; 81. a water inlet pipe; 82. a check valve; 9. a second water storage tank; 91. a water level gauge; 92. a drain valve; 93. an exhaust valve; 94. a first water supplementing pipe; 95. a second water supplementing pipe; 10. a filter; 101. and a water outlet pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of 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 "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 according to the specific circumstances.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

The embodiment provides a complete water cooling device for a relay pump station, referring to fig. 1, the complete water cooling device comprises a bottom frame 1, wherein a circulating pump 3, a first water storage tank 4, a heat exchanger 6 and a filter 10 which are sequentially communicated are arranged on the bottom frame 1, hot fluid led out from an outlet of a cooling pipeline of a slurry shield machine enters the heat exchanger 6 after passing through the circulating pump 3 and the first water storage tank 4, is changed into cold fluid after being cooled by the heat exchanger 6, and the cold fluid is filtered by the filter 10 and then re-enters the cooling pipeline of the slurry shield machine.

Referring to fig. 1, the bottom frame 1 is further provided with an electric cabinet 17, a shaft seal pump 8 and a second water storage tank 9 which are mutually communicated, the electric cabinet 17 is electrically connected with the circulating pump 3 and the shaft seal pump 8, and the power and the switch of the circulating pump 3 and the shaft seal pump 8 are regulated through the electric cabinet 17; the second water storage tank 9 is communicated with the filter 10, and water can be supplemented into the cooling pipeline of the slurry shield machine through the shaft seal pump 8 and the second water storage tank 9, so that lost fluid in the cooling pipeline is compensated, and the pressure of the cooling pipeline is regulated.

Referring to fig. 2, the bottom frame 1 includes a frame 11 and an inner beam 12, the frame 11 is provided with four frames, and the four frames 11 are connected end to form a rectangular shape; the inner beams 12 are arranged in parallel, and two ends of the inner beams 12 are fixedly connected to the frame 11; reinforcing ribs 13 are fixed between the adjacent inner beams 12 and used for further improving the structural strength of the bottom frame 1.

Referring to fig. 1 and 3, a water inlet pipe group 2 is provided on the circulation pump 3, and the water inlet pipe group 2 includes a first water inlet pipe 21, a second water inlet pipe 22, and a third water inlet pipe 23 which are sequentially communicated; the first water inlet pipe 21 and the third water inlet pipe 23 are both horizontally arranged, the second water inlet pipe 22 is vertically arranged, the height of the first water inlet pipe 21 is higher than that of the third water inlet pipe 23, and the first water inlet pipe 21 is fixedly communicated with the water inlet of the circulating pump 3.

Referring to fig. 1 and 3, one end of the third water inlet pipe 23, which is far away from the second water inlet pipe 22, is fixedly communicated with a three-way pipe 231, two other joints of the three-way pipe 231 are respectively communicated with a section of bent pipe 232, the bent pipe 232 is suitable for being directly communicated with outlets of cooling pipelines at different positions on a slurry shield machine, and hot fluid can be led into the circulating pump 3 through the water inlet pipe group 2.

Referring to fig. 3, a circulation pump seat 14 is connected to the bottom frame 1 through bolts, the circulation pump 3 is fixed on the upper surface of the circulation pump seat 14, the water inlet of the circulation pump 3, the water outlet of the circulation pump 3, the water inlet of the first water storage tank 4 and the water outlet of the first water storage tank 4 are positioned at the same level, the circulation pump 3 provides power for the hot fluid, and the hot fluid is ensured to circulate in a cooling pipeline and a water cooling device in the required flow; in the embodiment, the circulating pump 3 is a stainless steel vertical circulating pipeline pump, the inlet and outlet apertures of the circulating pump are the same, and the circulating pump is positioned on the same horizontal line, so that the circulating pump is compact and attractive in appearance and small in occupied area.

Referring to fig. 3, a water pipe 31 is fixedly communicated with a water outlet of the circulating pump 3, one end of the water pipe 31, which is away from the circulating pump 3, is fixedly communicated with a water inlet of the first water storage tank 4, a gas release valve 42 is communicated with the top of the first water storage tank 4, and a water discharge valve 41 is communicated with the bottom of the first water storage tank 4; the hot fluid enters the first water storage tank 4 for short time after passing through the water pipe 31, and the air pressure and the flow in the pipeline of the cooling device are regulated by opening and closing the air release valve 42 and the water release valve 41.

Referring to fig. 3, a connection pipe group 5 is provided on the first water storage tank 4, the connection pipe group 5 includes a first connection pipe 51, a second connection pipe 52 and a third connection pipe 53 which are sequentially communicated, the first connection pipe 51 and the third connection pipe 53 are horizontally arranged, the second connection pipe 52 is vertically arranged, the height of the first connection pipe 51 is lower than that of the third connection pipe 53, and the first connection pipe 51 is fixedly communicated with the water outlet of the first water storage tank 4.

Referring to fig. 1 and 3, the water inlet of the heat exchanger 6 is fixedly communicated with the third connecting pipe 53, the water outlet of the heat exchanger 6 is provided with a communicating pipe group 7, and the hot fluid enters the heat exchanger 6 through the third connecting pipe 53 to be cooled into cold fluid, and the cold fluid is led out through the communicating pipe group 7.

Referring to fig. 1, the heat exchanger 6 is connected to a water supply pipe 61 and a water drain pipe 62, and in use, a cooling liquid is introduced into the water supply pipe 61 to realize the heat exchange function of the heat exchanger 6.

Referring to fig. 1 and 4, the communication tube group 7 includes a first communication tube 71, a second communication tube 72, a third communication tube 73, a fourth communication tube 74, and a fifth communication tube 75 that communicate in this order, the first communication tube 71, the third communication tube 73, the fourth communication tube 74, and the fifth communication tube 75 are all horizontally disposed, and the second communication tube 72 is disposed obliquely downward; the first communicating pipe 71 is fixedly communicated with the water outlet of the heat exchanger 6, the fifth communicating pipe 75 is connected with the water inlet at the bottom of the filter 10, and cold fluid coming out of the heat exchanger 6 can enter the filter 10 for filtering after passing through the communicating pipe group 7.

Referring to fig. 2 and 4, a support plate 16 is fixedly coupled to the upper surface of the bottom frame 1, and the filter 10 is fixed to the support plate 16; the water outlet of the filter 10 is fixedly communicated with a water outlet pipe 101, the water outlet pipe 101 is suitable for being fixedly communicated with the water inlet of a cooling pipeline of the slurry shield machine, and cold flow water after filtration can enter the cooling pipeline for recirculation.

Referring to fig. 1 and 4, a shaft seal pump seat 15 is connected to the bottom frame 1 through bolts, a shaft seal pump 8 is fixed on the upper surface of the shaft seal pump seat 15, and a water inlet of the shaft seal pump 8, a water outlet of the shaft seal pump 8, a water inlet of the second water storage tank 9 and a water outlet of the second water storage tank 9 are positioned at the same horizontal level; a water inlet pipe 81 is fixedly communicated with the water inlet of the shaft seal pump 8, and water can be supplied to the shaft seal pump 8 through the water inlet pipe 81; the water outlet of the shaft seal pump 8 is fixedly communicated with a swing check valve 82, the check valve 82 is communicated with the water inlet of the second water storage tank 9, and the tightness of the second water storage tank 9 is improved.

Referring to fig. 4, a water level gauge 91 is connected to the second water storage tank 9, in this embodiment, the water level gauge 91 is a connected water level gauge 91, and the water level in the second water storage tank 9 can be detected in real time by the water level gauge 91; the second water storage tank 9 is provided with an exhaust valve 93 and a drain valve 92, and the air pressure and the flow rate in the cooling device pipeline can be adjusted by the exhaust valve 93 and the drain valve 92.

Referring to fig. 4, the water outlet of the second water storage tank 9 is connected to a first water supplementing pipe 94, the first water supplementing pipe 94 is horizontally disposed, the first water supplementing pipe 94 is connected to a second water supplementing pipe 95, the second water supplementing pipe 95 is also connected to the fourth communication pipe 74 and the fifth communication pipe 75 through a three-way pipe 231, and the height of the first water supplementing pipe 94 is higher than the third communication pipe 73, the fourth communication pipe 74 and the fifth communication pipe 75; under the action of the shaft seal pump 8 and the internal pressure of the second water storage tank 9, water flow can enter the communicating tube group 7 through the first water supplementing tube 94 and the second water supplementing tube 95, thereby compensating the cold fluid amount in the cooling device.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (8)

1. The utility model provides a relay pump station water cooling plant, its characterized in that includes:

the water inlet of the circulating pump (3) is suitable for being connected with a cooling pipeline of the shield machine;

the first water storage tank (4), the first water storage tank (4) is communicated with the water outlet of the circulating pump (3);

the water inlet of the heat exchanger (6) is communicated with the first water storage tank (4), and the water outlet of the heat exchanger (6) is suitable for being connected with a cooling pipeline of the shield machine;

the second water storage tank (9), the said second water storage tank (9) is suitable for being connected with cooling pipeline of the shield machine;

the water inlet of the shaft seal pump (8) is suitable for being connected with cooling water, and the water outlet of the shaft seal pump (8) is communicated with the second water storage tank (9);

the electric control box (17), the electric control box (17) is electrically connected to the circulating pump (3) and the shaft seal pump (8);

the bottom frame (1), circulating pump (3), first water storage tank (4), heat exchanger (6), second water storage tank (9), bearing seal pump (8) and electric cabinet (17) all set up on bottom frame (1).

2. The complete water cooling device of the relay pump station according to claim 1, wherein a water inlet of the circulating pump (3) is provided with a water inlet pipe group (2), the water inlet pipe group (2) comprises a first water inlet pipe (21), a second water inlet pipe (22) and a third water inlet pipe (23) which are communicated in sequence, one end, far away from the circulating pump (3), of the third water inlet pipe (23) is communicated with a plurality of bent pipes (232), and the bent pipes (232) are suitable for being directly connected with a cooling pipeline outlet of a shield machine.

3. The complete water cooling device of the relay pump station according to claim 1, wherein the circulating pump seat (14) is fixed on the bottom frame (1), and the circulating pump (3) is fixedly connected above the circulating pump seat (14).

4. The complete water cooling device of the relay pump station according to claim 1, wherein a drain valve (41) and a bleed valve (42) are arranged on the first water storage tank (4).

5. The complete water cooling device of the relay pump station according to claim 1, wherein a shaft seal pump seat (15) is fixed on the bottom frame (1), and the shaft seal pump (8) is fixedly connected above the shaft seal pump seat (15).

6. The complete water cooling device of the relay pump station according to claim 1, wherein a water level gauge (91) is fixedly communicated with the second water storage tank (9).

7. The complete water cooling device of the relay pump station according to claim 1, wherein a drain valve (92) and an exhaust valve (93) are arranged on the second water storage tank (9).

8. The complete water cooling device of the relay pump station according to claim 1, wherein the second water storage tank (9) is communicated with a filter (10), the filter (10) is fixedly communicated with a water outlet pipe (101), and one end of the water outlet pipe (101) away from the filter (10) is suitable for being directly connected with an inlet of a cooling pipeline of a shield tunneling machine.

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