Anti-blocking cooling water inlet device for water-cooled tile bearing

Abstract

The utility model discloses an anti-blocking cooling water inlet device for a water-cooled tile bearing, and belongs to the field of bearings. The device is applied to a water inlet pipeline of a raw water cooling tile and comprises a filter arranged on the water inlet pipeline of the raw water cooling tile; the fine filtration water filter is positioned on one side of the filter and is communicated with a water inlet pipeline of the raw water cooling tile through a three-way pipeline; the differential pressure transmitter is communicated with the water inlet pipeline and the water outlet pipeline of the fine filtration water filter through a three-way pipeline and is used for monitoring the water supply condition of the fine filtration water filter; and the water-turbine generator set is electrically connected to the differential pressure transmitter. The anti-blocking water-cooling tile bearing cooling water inlet device has the beneficial effects that the problem of blocking of a bearing cooling pipe with a water-cooling tile of a horizontal mixed-flow unit is solved, the failure rate is reduced, the cooling effect is improved, and the reliable operation time is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of bearings, in particular, to a water cooling tile bearing cooling water inlet device. BACKGROUND

[0002] The guide bearing and radial thrust bearing of the water cooling tile structure water turbine is an effective technical means to improve the excessively high bearing tile temperature of the horizontal mixed flow hydroelectric generator unit, but the inlet and outlet pipes of the water cooling tile are generally small, and are easily blocked after long-term operation in a power station with a lot of silt, thereby losing the expected cooling effect. CONTENT OF THE UTILITY MODEL

[0003] The part of the content of the present application is used to introduce the concept in a brief form, which will be described in detail in the part of the specific embodiment. The part of the content of the present application is not intended to identify the key features or essential features of the claimed technical solution, nor is it intended to limit the scope of the claimed technical solution.

[0004] In order to solve the technical problems mentioned in the part of the background, some embodiments of the present application provide a water cooling tile bearing cooling water inlet device for preventing blockage, which is applied to the water inlet pipeline of the original water cooling tile, and comprises:

[0005] A filter is arranged on the water inlet pipeline of the original water cooling tile;

[0006] A fine filter is arranged on one side of the filter and is communicated with the water inlet pipeline of the original water cooling tile through a three-way pipeline;

[0007] A differential pressure transmitter is communicated with the water inlet and outlet pipelines of the fine filter through a three-way pipeline and is used to monitor the water supply condition of the fine filter;

[0008] A hydroelectric generator unit is electrically connected to the differential pressure transmitter.

[0009] When the water flows normally, the fine filter can filter the water of the filter in the front section of the hydroelectric generator unit again, thereby reducing the silt passing through the water cooling tile cooling coil. When the fine filter is blocked to a certain extent, the differential pressure transmitter of the filter sends a differential pressure signal for early warning, and then a manual operation is performed on the function button of the fine filter to discharge the silt deposited in the fine filter. If the blockage is very serious and needs to be disassembled for maintenance or replacement, a bypass pipeline is enabled, and water directly enters the water cooling tile cooling water pipe. After the fine filter is maintained or replaced, the bypass pipeline is re-enabled, and the bypass pipeline is closed. Thus, the blockage problem of the bearing cooling pipe of the water cooling tile of the horizontal mixed flow unit is solved, the failure rate is reduced, the cooling effect is improved, and the reliable operation time is prolonged.

[0010] Further, the water cooling tile bearing cooling water inlet device for preventing blockage further comprises:

[0011] A bypass pipeline, one end of which is communicated with the water inlet pipeline of the raw water cooling tile, and the other end of which is communicated with the water cooling tile cooling coil.

[0012] Further, the fine filter water filter comprises:

[0013] A filter water body having a water inlet and a water outlet;

[0014] A filter water cover body is buckled on the upper end of the filter water body;

[0015] A first interface is provided on one end of the filter water body, and one end is communicated with the water inlet;

[0016] A second interface is provided on one end of the filter water body, and one end is communicated with the water outlet;

[0017] A first filtering mechanism is provided in the first interface;

[0018] A second filtering mechanism is provided in the filter water body;

[0019] A third filtering mechanism is provided in the filter water body and located on the side close to the water outlet;

[0020] A slot is formed on the side wall of the first interface;

[0021] The first filtering mechanism comprises:

[0022] A first mounting frame is slidably provided in the first interface through the slot;

[0023] A first filter plate is detachably mounted in the first mounting frame;

[0024] A first handle is fixedly provided on the first mounting frame and located outside the first interface.

[0025] Further, the two ends of the first mounting frame are provided with sliding blocks, and the side wall of the first interface is provided with a sliding groove matched with the sliding blocks.

[0026] Further, the second filtering mechanism comprises:

[0027] A second mounting frame is detachably provided in the filter water body;

[0028] A second filter plate is detachably mounted in the second mounting frame;

[0029] A positioning assembly is mounted between the inner side wall of the filter water body and the second mounting frame.

[0030] Further, the positioning assembly comprises:

[0031] A fixed block is fixedly provided on the inner wall of the filter water body;

[0032] A connecting rod is provided on the fixed block;

[0033] The fixed plate is fixed on the connecting rod;

[0034] The first elastic member has one end connected to the fixed plate and the other end connected to the second mounting frame.

[0035] Further, a through cavity is formed in the fixed block, and a piston plate is installed in the through cavity, one end of the piston plate being fixedly connected to the connecting rod, and one end of the connecting rod extending into the through cavity.

[0036] Further, the three-stage filtering mechanism comprises:

[0037] The third mounting frame is clamped in the water filtering body;

[0038] The first fine filtering layer is arranged in the third mounting frame;

[0039] The second fine filtering layer is arranged in the third mounting frame;

[0040] A notch is formed in the third mounting frame for mounting the first fine filtering layer and the second fine filtering layer, a first cover plate is arranged on the notch, a first sealing ring is arranged between the first cover plate and the notch, a plurality of first connecting plates are arranged on the first cover plate, and the plurality of first connecting plates are fixed to the third mounting frame by a first fastener.

[0041] Further, a second cover plate is arranged on the water filtering cover body and embedded in the water filtering body, a second sealing ring is arranged between the second cover plate and the water filtering body, a plurality of second connecting plates are arranged on the water filtering cover body, the plurality of second connecting plates are fixed to the water filtering body by a second fastener, and a second handle is arranged on the water filtering cover body.

[0042] Further, the fine filtering water filter further comprises:

[0043] The blowdown shell is fixedly arranged at the bottom of the water filtering body, and the blowdown shell has a blowdown cavity;

[0044] The blowdown pipe is fixedly arranged at one end of the blowdown shell and communicates with the blowdown cavity;

[0045] The sealing cover is arranged on the blowdown pipe;

[0046] A plurality of blowdown holes are formed at the bottom of the water filtering body, the blowdown holes communicate with the blowdown cavity, and one end of the blowdown cavity has a beveled portion.

[0047] The application has the beneficial effects of providing a bearing cooling water inlet device for solving the problem of bearing cooling pipe blockage of a horizontal mixed flow unit with water-cooled tiles, reducing the failure rate, improving the cooling effect, prolonging the reliable operation time, and preventing blockage of the water-cooled tile bearing cooling water inlet device. BRIEF DESCRIPTION OF DRAWINGS

[0048] The accompanying drawings, which form a part of this application, are intended to provide further understanding of the application and are incorporated herein in their entirety, and together with the description are meant to explain the application. The drawings that form a part of this detailed description are representative of the various embodiments of the application and are not to be construed as limiting the scope of the application.

[0049] In addition, throughout the drawings, like reference numerals will be understood to refer to like elements, features and structures.

[0050] In the drawings:

[0051] Figure 1 is a schematic view of the whole according to an embodiment of the application;

[0052] Figure 2 is a schematic view of the structure, mainly showing the fine filter water purifier, which is a part of the embodiment;

[0053] Figure 3 is a sectional view of the fine filter water purifier;

[0054] Figure 4 is an enlarged view of A part of Figure 3

[0055] Figure 5 is an enlarged view of B part of Figure 3

[0056] Figure 6 is a sectional view of the fine filter water purifier, mainly showing the positioning assembly;

[0057] Figure 7 is a schematic view of the structure of the fine filter water purifier, mainly showing the three-stage filtering mechanism.

[0058] Reference numerals:

[0059] ​​1, filter; 2, fine filter water filter; 3, differential pressure transmitter; 4, hydroelectric generating set; 5, bypass pipeline; 6, water filtering body; 7, water filtering cover; 8, first interface; 9, second interface; 10, water inlet; 11, water outlet; 12, slot; 13, first mounting frame; 14, first filter plate; 15, first handle; 16, sliding block; 17, sliding groove; 18, second mounting frame; 19, second filter plate; 20, fixed block; 21, connecting rod; 22, fixed plate; 23, first elastic member; 24, through cavity; 25, piston plate; 26, third mounting frame; 27, first fine filter layer; 28, second fine filter layer; 29, notch; 30, first cover plate; 31, first sealing ring; 32, first connecting plate; 33, first fastener; 34, second cover plate; 35, second sealing ring; 36, second connecting plate; 37, second fastener; 38, second handle; 39, blowdown shell; 40, blowdown pipe; 41, sealing cover; 42, blowdown cavity; 43, blowdown hole; 44, inclined surface part; 45, water inlet pipeline of water-cooled tile. DETAILED DESCRIPTION

[0060] Embodiments of the present disclosure will be described in more detail with reference to the drawings. Although certain embodiments of the present disclosure are shown in the drawings, it is understood that the present disclosure can be implemented in various forms and should not be interpreted as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure can be more thoroughly and completely understood. It should be understood that the drawings of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0061] In addition, it should be further noted that only the parts related to the present application are shown in the drawings for ease of description. The embodiments in the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0062] It should be noted that the concepts of "first", "second", etc. mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0063] It should be noted that the modification of "one" or "multiple" mentioned in the present disclosure is illustrative and not restrictive, and those skilled in the art should understand that unless the context clearly indicates otherwise, it should be understood as "one or more".

[0064] The present disclosure will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0065] Reference Figures 1-7The application relates to a kind of anti-clogging water-cooled bearing cooling water inlet devices of water-cooled bearing, which is applied to the water inlet pipeline 45 of original water-cooled bearing, and comprises filter 1, fine filter water filter 2, differential pressure transmitter 3, water turbine generator unit 4, bypass pipeline 5;Filter 1 is arranged on the water inlet pipeline 45 of original water-cooled bearing, fine filter water filter 2 is located on the side of filter 1, and is communicated with the water inlet pipeline 45 of original water-cooled bearing through three-way pipeline;Differential pressure transmitter 3 is communicated with the inlet and outlet pipelines of fine filter water filter 2 through three-way pipeline, and is used for monitoring the water supply condition of fine filter water filter 2;Water turbine generator unit 4 is electrically connected to differential pressure transmitter 3, and the water turbine generator unit 4 is installed in the hydropower station plant, and the water turbine generator unit comprises water turbine, water turbine generator, bearing, speed regulator, excitation and other equipment, and mainly detects pressure, tile temperature, pressure, pressure pulsation and pressure difference signals.Bypass pipeline 5 is communicated with the water inlet pipeline 45 of original water-cooled bearing at one end, and is communicated with the water-cooled bearing cooling coil at the other end.In normal water passing, fine filter water filter 2 can filter the water of filter again which passes through the water turbine generator unit 4 front stage technical water supply, so as to reduce the silt through the water-cooled bearing cooling coil, when fine filter water filter 2 is blocked to a certain extent, the differential pressure signal early warning of filter water measuring differential pressure transmitter 3 is sent, then the function button of fine filter water filter 2 is manually operated, and the silt deposited in fine filter water filter 2 is discharged.If the blockage is very serious and needs to be disassembled and repaired or replaced, bypass pipeline 5 is enabled, water directly enters the water-cooled bearing cooling water pipe, after fine filter water filter 2 is repaired or updated, it is re-enabled, and bypass pipeline 5 is closed at this time, so as to solve the bearing cooling pipe blockage problem of horizontal mixed flow unit with water-cooled bearing, reduce the failure rate, improve the cooling effect, and prolong the reliable operation time.

[0066] Fine filter water filter 2 comprises water filtering body 6, water filtering cover 7, first interface 8, second interface 9, first-stage filtering mechanism, second-stage filtering mechanism and third-stage filtering mechanism;Water filtering body 6 has water inlet 10 and water outlet 11, water filtering cover 7 is buckled on the upper end of water filtering body 6, first interface 8 is arranged on one end of water filtering body 6, and one end is communicated with water inlet 10, second interface 9 is arranged on one end of water filtering body 6, and one end is communicated with water outlet 11, first-stage filtering mechanism is arranged in first interface 8, second-stage filtering mechanism is arranged in water filtering body 6, and third-stage filtering mechanism is arranged in water filtering body 6 and located on one side close to water outlet 11.Slot 12 is formed in the side wall of one side of first interface 8, first-stage filtering mechanism comprises first mounting frame 13, first filter plate 14, first handle 15 and sliding block 16;First mounting frame 13 is slidably arranged in first interface 8 through slot 12;First filter plate 14 is detachably arranged in first mounting frame 13, first handle 15 is fixedly arranged on first mounting frame 13 and located outside first interface 8, sliding block 16 is arranged on the two ends of first mounting frame 13, and sliding groove 17 matched with sliding block 16 is formed in the side wall of first interface 8.

[0067] The secondary filtering mechanism comprises a second mounting frame 18, a second filtering plate 19 and a positioning assembly. The second mounting frame 18 is clamped in the water filtering body 6, the second filtering plate 19 is detachably mounted in the second mounting frame 18, and the positioning assembly is mounted between the inner side wall of the water filtering body 6 and the second mounting frame 18. The positioning assembly comprises a fixed block 20, a connecting rod 21, a fixed plate 22 and a first elastic member 23. The fixed block 20 is fixedly arranged on the inner wall of the water filtering body 6, the connecting rod 21 is arranged on the fixed block 20, the fixed plate 22 is fixedly arranged on the connecting rod 21, one end of the first elastic member 23 is connected to the fixed plate 22, and the other end of the first elastic member 23 is connected to the second mounting frame 18. A through cavity 24 is formed in the fixed block 20, a piston plate 25 is arranged in the through cavity 24, one end of the piston plate 25 is fixedly connected to the connecting rod 21, and one end of the connecting rod 21 extends into the through cavity 24. The first elastic member 23 is in the form of a spring.

[0068] The tertiary filtering mechanism comprises a third mounting frame 26, a first precision filtering layer 27 and a second precision filtering layer 28. The third mounting frame 26 is clamped in the water filtering body 6, the first precision filtering layer 27 is arranged in the third mounting frame 26, and the second precision filtering layer 28 is arranged in the third mounting frame 26. A slot 29 for mounting the first precision filtering layer 27 and the second precision filtering layer 28 is formed in the third mounting frame 26. A first cover plate 30 is arranged on the slot 29, a first sealing ring 31 is arranged between the first cover plate 30 and the slot 29, a plurality of first connecting plates 32 are arranged on the first cover plate 30, and the plurality of first connecting plates 32 are fixed to the third mounting frame 26 by first fasteners 33.

[0069] A second cover plate 34 is arranged on the water filtering cover body 7 and embedded in the water filtering body 6. A second sealing ring 35 is arranged between the second cover plate 34 and the water filtering body 6. A plurality of second connecting plates 36 are arranged on the water filtering cover body 7, and the second connecting plates 36 are fixed to the water filtering body 6 by second fasteners 37. A second handle 38 is arranged on the water filtering cover body 7.

[0070] The first fasteners 33 and the second fasteners 37 are both bolts.

[0071] The precision filtering water filter 2 further comprises a blowdown shell 39, a blowdown pipe 40 and a sealing cover 41. The blowdown shell 39 is fixedly arranged at the bottom of the water filtering body 6, and has a blowdown cavity 42. The blowdown pipe 40 is fixedly arranged at one end of the blowdown shell 39 and communicates with the blowdown cavity 42. The sealing cover 41 is arranged on the blowdown pipe 40. A plurality of blowdown holes 43 are formed at the bottom of the water filtering body 6 and communicate with the blowdown cavity 42. One end of the blowdown cavity 42 has a beveled portion 44.

[0072] The above description is merely exemplary of some of the many possible embodiments of the present disclosure and of the principles thereof. It is to be understood that those skilled in the art will be able to devise various embodiments of the present disclosure without departing from the scope of the present disclosure as disclosed in the above description and attached claims, and that the scope of the present disclosure is not limited to the specific technical features described above. For example, the technical features described above can be replaced with other technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) to form other technical solutions.

Claims

1. A water cooling bearing cooling water inlet device for preventing blockage, applied to the water inlet pipeline of a raw water cooling bearing, characterized in that: The utility model relates to a kind of anti-blocking water-cooled tile bearing cooling water inlet device, including: Filter, be located on the water inlet pipeline of raw water-cooled tile; Fine filter water purifier, on the side of the filter, and communicate with the water inlet pipeline of raw water-cooled tile by three-way pipeline; Differential pressure transmitter, communicate with the water inlet and outlet pipeline of fine filter water purifier by three-way pipeline, for monitoring the water supply condition of fine filter water purifier; Hydroelectric generating set, electrically connected to differential pressure transmitter.

2. The anti-blocking water-cooled tile bearing cooling water inlet device of claim 1, further comprising: A bypass pipeline, one end of which is connected to the water inlet pipeline of raw water-cooled tile, and the other end is connected to the water-cooled tile cooling coil.

3. The anti-blocking water-cooled tile bearing cooling water inlet device of claim 1, wherein the fine filter water purifier comprises: A filter body having a water inlet and a water outlet; A filter cover body is buckled on the upper end of the filter body; A first interface is provided on one end of the filter body, and one end is communicated with the water inlet; A second interface is provided on one end of the filter body, and one end is communicated with the water outlet; A first filtering mechanism is provided in the first interface; A second filtering mechanism is provided in the filter body; A third filtering mechanism is provided in the filter body, and located on the side close to the water outlet; A slot is formed on the side wall of the first interface. The first filtering mechanism comprises: A first mounting frame is slidably provided in the first interface through the slot; A first filter plate is detachably installed in the first mounting frame; A first handle is fixedly provided on the first mounting frame outside the first interface.

4. The anti-blocking water-cooled tile bearing cooling water inlet device of claim 3, wherein the first mounting frame has a sliding block at both ends, and the side wall of the first interface has a sliding groove matched with the sliding block.

5. The anti-blocking water-cooled tile bearing cooling water inlet device of claim 3, wherein the second filtering mechanism comprises: A second mounting frame is detachably provided in the filter body; A second filter plate is detachably installed in the second mounting frame; A positioning assembly is installed between the inner side wall of the filter body and the second mounting frame.

6. The anti-blocking water-cooled tile bearing cooling water inlet device of claim 5, wherein the positioning assembly comprises: A fixed block is fixedly provided on the inner wall of the filter body; A connecting rod is provided on the fixed block; A fixed plate is fixedly provided on the connecting rod; A first elastic member has one end connected to the fixed plate and the other end connected to the second mounting frame.

7. The anti-blocking water-cooled tile bearing cooling water inlet device of claim 6, wherein the fixed block has a through cavity, and a piston plate is installed in the through cavity, one end of the piston plate is fixedly connected to the connecting rod, and one end of the connecting rod extends into the through cavity.

8. The anti-blocking water-cooled tile bearing cooling water inlet device of claim 3, wherein the third filtering mechanism comprises: A third mounting frame is detachably provided in the filter body; A first precision filter layer is provided in the third mounting frame; A second precision filter layer is provided in the third mounting frame. ​ ​ ​ ​ ​ ​ ​ The third mounting frame is provided with notches for mounting the first and second fine filter layers, the notches are provided with first cover plates, the first cover plates and the notches are provided with first sealing rings, the first cover plates are provided with first connecting plates, and the first connecting plates are fixed to the third mounting frame by first fasteners.

9. The water inlet device of the anti-blocking water-cooled tile shaft bearing cooling water according to claim 3, wherein: The filter cover is provided with a second cover plate embedded in the filter body, the second cover plate and the filter body are provided with a second sealing ring, the filter cover is provided with second connecting plates, the second connecting plates are fixed to the filter body by second fasteners, and the filter cover is provided with a second handle.

10. The water inlet device of the anti-blocking water-cooled tile shaft bearing cooling water according to claim 3, wherein: The fine filter water filter further comprises: A blowdown shell is fixedly arranged at the bottom of the filter body, and the blowdown shell has a blowdown cavity; A blowdown pipe is fixedly arranged at one end of the blowdown shell and communicates with the blowdown cavity; A sealing cover is arranged on the blowdown pipe; The bottom of the filter body is provided with a plurality of blowdown holes, the blowdown holes communicate with the blowdown cavity, and one end of the blowdown cavity has a beveled portion.

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