Anti-blocking water guide cooler of hydropower station

Abstract

The anti-blocking water guide cooler comprises a cooler shell, a plurality of cooling pipes are arranged on the inner side of the cooler shell, and an oil inlet pipe and an oil outlet pipe which are communicated with a cooling cavity are sequentially arranged on the outer wall of the cooler shell from bottom to top. A first cooling water chamber and a second cooling water chamber are fixedly arranged at the bottom of the cooler shell, a third cooling water chamber is fixedly arranged at the top of the cooler shell, a first water pipe is fixedly arranged at the bottom of the first cooling water chamber, a filter box is arranged on the first water pipe, a connecting pipe is arranged on one side of the filter box, and a filter plate is arranged on the inner side of the filter box. Cooling water is filtered through the filter box, the filter plate and the cooling water, so that impurities cannot enter the cooler, the cooler is prevented from being blocked as much as possible, and when the filter box needs to be cleaned, the bolts are detached, the box cover is opened, and the filter plate and the mounting plate are taken out, so that the impurities intercepted on the inner side of the filter box are cleaned.

Description

Technical Field

[0001] The utility model belongs to the technical field of water-conducting coolers, in particular to a water-conducting cooler for a hydropower station that is anti-clogging. Background Art

[0002] Most hydropower stations use the natural conditions of the river to build a dam, and then install the generator set behind the dam or in the water retaining buildings on both sides. Currently, most hydropower stations use the water in the river in the area where the power station is located to cool the bearing lubricating oil of the unit. The bearing lubricating oil and cooling water complete heat exchange in the bearing cooler installed on the periphery of the turbine generator set, and then return to the unit bearing, thereby ensuring the safe operation of the unit.

[0003] The common design structure of the bearing cooler is that there are partitions at both ends and multiple cooling pipes in the middle. The cooling pipes are expanded in the partitions with a certain thickness to ensure that the lubricating oil circulation path and the cooling water circulation path are relatively independent. Once the two are mixed, it may affect the safety of the unit bearings or pollute the river water.

[0004] At present, when the bearing cooler of the hydropower station unit is in use, the natural water body of the river contains various impurities and microorganisms (such as clams). When the equipment is in long-term operation, the water circulation path of the cooler is easily blocked by debris, affecting the heat exchange of the cooler and threatening the safe and stable operation of the bearing equipment of the generator unit. Utility Model Content

[0005] Aiming at the problem that the water circulation path of the cooler is easily blocked by debris when the equipment is running for a long time, affecting the heat exchange of the cooler and threatening the safe and stable operation of the bearing equipment of the generator set, the utility model provides a water-conducting cooler for a hydropower station that is anti-blocking.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a water-conducting cooler of a hydropower station that prevents clogging, comprising a cooler shell, a plurality of cooling pipes are arranged on the inner side of the cooler shell, a cooling cavity is arranged inside the cooler shell and in a cavity outside the plurality of cooling pipes, an oil inlet pipe and an oil outlet pipe connected to the cooling cavity are arranged in sequence from bottom to top on the outer wall of the cooler shell, a first cooling water chamber and a second cooling water chamber are fixedly arranged at the bottom of the cooler shell, a third cooling water chamber is fixedly arranged at the top of the cooler shell, a first water pipe is fixedly arranged at the bottom of the first cooling water chamber, a filter box is arranged on the first water pipe, a connecting pipe is arranged on one side of the filter box, a filter plate is arranged on the inner side of the filter box, a box cover is installed on the top of the filter box, and a second water pipe is fixedly arranged at the bottom of the second cooling water chamber.

[0007] Preferably, the top ends of the plurality of cooling pipes extend into the third cooling water chamber, and the bottom ends of the plurality of cooling pipes extend into the first cooling water chamber and the second cooling water chamber respectively.

[0008] Preferably, a first valve is installed on the first water pipe, and a second valve is installed on the second water pipe.

[0009] Preferably, a mounting plate is fixedly connected to the bottom of the filter plate, and the outer periphery of the mounting plate is in contact with the inner wall of the filter box.

[0010] Preferably, a sealing ring for contacting the inner edge of the top end of the filter box is fixedly connected to the lower surface of the box cover.

[0011] Preferably, four bolts are provided through the four corners of the box cover, and screw holes matching the four bolts are provided on the top of the filter box.

[0012] Preferably, a water inlet and a water outlet are respectively provided on the side walls of both sides of the filter box, and the connecting pipe and the first water pipe are respectively connected to the water inlet and the water outlet.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The cooling water is filtered through the filter box and the filter plate. The bearing lubricating oil is cooled during the flow of the cooling water through the cooler shell. After the bearing lubricating oil is cooled, it is discharged through the oil outlet pipe and flows back to the unit bearing oil tank. By filtering the cooling water, impurities will not enter the cooler, and the cooler will be avoided from being blocked as much as possible. When the filter box needs to be cleaned, remove the bolts, open the box cover, take out the filter plate and the mounting plate, and clean the impurities trapped inside the filter box. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the filter box of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the cooler housing of the utility model;

[0018] Figure 4 This is a schematic structural diagram of the cooler housing of the utility model from another perspective.

[0019] In the figure: 1. cooler shell; 2. cooling pipe; 3. first cooling water chamber; 4. second cooling water chamber; 5. third cooling water chamber; 6. cooling cavity; 7. oil inlet pipe; 8. oil outlet pipe; 9. first water pipe; 10. filter box; 11. connecting pipe; 12. second water pipe; 13. filter plate; 14. box cover; 15. first valve; 16. second valve; 17. mounting plate; 18. bolts. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 4 A water-conducting cooler for a hydropower station that prevents clogging includes a cooler shell 1, a plurality of cooling pipes 2 are arranged on the inner side of the cooler shell 1, a cooling cavity 6 is arranged in the cavity inside the cooler shell 1 and outside the plurality of cooling pipes 2, an oil inlet pipe 7 and an oil outlet pipe 8 connected to the cooling cavity 6 are arranged in sequence from bottom to top on the outer wall of the cooler shell 1, a first cooling water chamber 3 and a second cooling water chamber 4 are fixedly arranged at the bottom of the cooler shell 1, a third cooling water chamber 5 is fixedly arranged at the top of the cooler shell 1, bearing lubricating oil to be cooled is introduced through the oil inlet pipe 7, the bearing lubricating oil enters the cooling cavity 6, is cooled, and then is discharged through the oil outlet pipe 8 and flows back to the unit bearing oil tank.

[0022] The top ends of the plurality of cooling pipes 2 extend into the third cooling water chamber 5 , and the bottom ends of the plurality of cooling pipes 2 extend into the first cooling water chamber 3 and the second cooling water chamber 4 , respectively.

[0023] In addition, a first water pipe 9 is fixedly arranged at the bottom of the first cooling water chamber 3, a filter box 10 is arranged on the first water pipe 9, a connecting pipe 11 is arranged on one side of the filter box 10, a water inlet and a water outlet are respectively opened on the side walls of the filter box 10, the connecting pipe 11 and the first water pipe 9 are respectively connected to the water inlet and the water outlet, and a second water pipe 12 is fixedly arranged at the bottom of the second cooling water chamber 4.

[0024] The cooling water is introduced through the connecting pipe 11, filtered through the filter box 10, and then input into the first water pipe 9, and then input into the first cooling water chamber 3 through the first water pipe 9, and then flows into the third cooling water chamber 5 through multiple cooling pipes 2, and then flows into the second cooling water chamber 4 through the cooling pipe 2 on the other side, and then enters the second water pipe 12 for discharge. During the flow of the cooling water through the cooler housing 1, the bearing lubricating oil is cooled.

[0025] In addition, a filter plate 13 is provided inside the filter box 10, a box cover 14 is installed on the top of the filter box 10, a mounting plate 17 is fixedly connected to the bottom of the filter plate 13, and the outer periphery of the mounting plate 17 is in contact with the inner wall of the filter box 10. A sealing ring for contacting the inner edge of the top of the filter box 10 is fixedly connected to the lower surface of the box cover 14, and the cooling water is filtered through the filter plate 13. By providing the mounting plate 17, it is convenient to clean the impurities trapped inside the filter box 10.

[0026] In addition, four bolts 18 are provided through the four corners of the box cover 14 , and screw holes matching the four bolts 18 are provided on the top of the filter box 10 , so as to facilitate opening the box cover 14 .

[0027] Finally, a first valve 15 is installed on the first water pipe 9 , and a second valve 16 is installed on the second water pipe 12 .

[0028] The operating principle of the utility model is now described as follows: the bearing lubricating oil to be cooled is introduced through the oil inlet pipe 7, the bearing lubricating oil enters the cooling cavity 6, and the cooling water is introduced through the connecting pipe 11. The cooling water is filtered through the filter box 10, and the cooling water is filtered through the filter plate 13, and then input into the first water pipe 9, and then input into the first cooling water chamber 3 through the first water pipe 9, and then flow into the third cooling water chamber 5 through multiple cooling pipes 2, and then flow into the second cooling water chamber 4 through the cooling pipe 2 on the other side, and then enter the second water pipe 12 for discharge. During the flow of cooling water through the cooler housing 1, the bearing lubricating oil is cooled. After the bearing lubricating oil is cooled, it is discharged through the oil outlet pipe 8 and then flows back to the bearing oil tank of the unit. By filtering the cooling water, impurities will not enter the cooler, and the cooler will be avoided from being blocked as much as possible. When the filter box 10 needs to be cleaned, the bolts 18 are removed, the box cover 14 is opened, and the impurities trapped inside the filter box 10 are cleaned by taking out the filter plate 13 and the mounting plate 17.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A water-conducting cooler for a hydropower station that is resistant to clogging, comprising a cooler housing (1), characterized in that: A plurality of cooling pipes (2) are arranged on the inner side of the cooler housing (1); A cooling cavity (6) is provided in a cavity located inside the cooler shell (1) and outside the plurality of cooling pipes (2); an oil inlet pipe (7) and an oil outlet pipe (8) connected to the cooling cavity (6) are provided in sequence from bottom to top on the outer wall of the cooler shell (1); a first cooling water chamber (3) and a second cooling water chamber (4) are fixedly provided at the bottom of the cooler shell (1); and a third cooling water chamber (5) is fixedly provided at the top of the cooler shell (1); A first water pipe (9) is fixedly arranged at the bottom of the first cooling water chamber (3), a filter box (10) is arranged on the first water pipe (9), a connecting pipe (11) is arranged on one side of the filter box (10), a filter plate (13) is arranged inside the filter box (10), a box cover (14) is installed on the top of the filter box (10), and a second water pipe (12) is fixedly arranged at the bottom of the second cooling water chamber (4).

2. The water-conducting cooler of a hydropower station that prevents clogging according to claim 1, characterized in that: The top ends of the plurality of cooling pipes (2) extend into the third cooling water chamber (5), and the bottom ends of the plurality of cooling pipes (2) extend into the first cooling water chamber (3) and the second cooling water chamber (4), respectively.

3. The water-conducting cooler of a hydropower station that prevents clogging according to claim 2, characterized in that: A first valve (15) is installed on the first water pipe (9), and a second valve (16) is installed on the second water pipe (12).

4. The water-conducting cooler of a hydropower station that prevents clogging according to claim 3, characterized in that: A mounting plate (17) is fixedly connected to the bottom of the filter plate (13), and the outer periphery of the mounting plate (17) is in contact with the inner wall of the filter box (10).

5. The anti-clogging water-conducting cooler of a hydropower station according to claim 4, characterized in that: A sealing ring is fixedly connected to the lower surface of the box cover (14) and is used to abut against the inner edge of the top end of the filter box (10).

6. The anti-clogging water-conducting cooler of a hydropower station according to claim 5, characterized in that: Four bolts (18) are provided through the four corners of the box cover (14), and screw holes matching the four bolts (18) are provided on the top of the filter box (10).

7. The anti-clogging water-conducting cooler of a hydropower station according to claim 6, characterized in that: The side walls of the filter box (10) are respectively provided with a water inlet and a water outlet, and the connecting pipe (11) and the first water pipe (9) are respectively connected to the water inlet and the water outlet.

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