CN219062250U - Hydropower station hydraulic turbine guide bearing cooling device and protection system thereof - Google Patents

Abstract

The utility model discloses a hydropower station hydraulic turbine guide bearing cooling device and a protection system, comprising an air cooling assembly, wherein the air cooling assembly comprises a shell, the top surface of the shell is provided with a refrigerator main body, the lower side of the refrigerator main body is provided with a fan, and the inner wall of the shell is fixedly connected with an air guide pipe; the water cooling assembly comprises a water supply ring, wherein a water supply pipe is fixedly inserted into the side face of the water supply ring, the water supply ring is fixedly sleeved on the side face of the shell, a drain pipe is fixedly inserted into the side face of the shell, and one end, away from the shell, of the drain pipe is fixedly inserted into the side face of the water supply ring. The utility model is convenient to discharge condensed water accumulated on the inner wall of the shell into the water supply ring through the drain pipe, simultaneously supplies water to the water supply ring through the water supply pipe, and conveniently conveys water in the water supply ring into the spraying plate for spraying through the water pump, and then the low-temperature water mist is blown into the guide bearing of the water turbine through the fan, so that the cooling speed of the water cooler is increased, and the utilization rate of the condensed water is higher.

Description

Hydropower station hydraulic turbine guide bearing cooling device and protection system thereof

Technical Field

The utility model relates to the technical field of cooling devices, in particular to a guide bearing cooling device and a protection system of a hydraulic turbine of a hydropower station.

Background

The hydraulic turbine and auxiliary machinery are essential components of the hydroelectric power industry, are important equipment for realizing energy conservation and emission reduction by fully utilizing clean renewable energy, and have technical development which is suitable for the development scale of the hydroelectric power industry in China, and the hydraulic turbine set has more rotating parts, so that the guide bearing has higher rotating speed during operation and is easy to generate overheat; because of design or manufacturing process problems, higher temperature is reached during operation, so that the guide bearing of the water turbine needs to be cooled by a cooling device.

The existing partial cooling device has the defects that the temperature of the device body is low during refrigeration, so that the temperature difference between the device and the indoor space is large, water drops are easy to condense in the device, and the water drops are easy to drop on the ground after being condensed continuously, so that the waste of condensed water is easy to be caused, and the utilization rate of the condensed water is low;

the existing part of hydraulic turbine operators need to observe the temperature displayed by the temperature detector from time to time, however, when the operators do not observe the temperature detector, the operators are not easy to find out that the temperature of the hydraulic turbine guide bearing is too high in time.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The present utility model has been made in view of the above or the problem in the prior art that condensed water is easily wasted.

Therefore, the utility model aims to provide a guide bearing cooling device of a hydropower station water turbine.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a hydropower station hydraulic turbine guide bearing cooling device includes forced air cooling subassembly, it includes the shell, the top surface of shell is provided with the refrigerator main part, the downside of refrigerator main part is provided with the fan, the inner wall fixedly connected with guide duct of shell, water-cooling subassembly, it includes the water supply ring, the fixed delivery pipe that pegs graft in the side of shell of side of water supply ring, the fixed side of cup jointing in the shell of water supply ring, the fixed side of pegging graft of side of shell has the drain pipe, the one end fixed grafting of keeping away from the shell of drain pipe is in the side of water supply ring, the inner wall of shell is provided with the spray board, the side of shell is provided with the water pump, the play water end of water pump runs through the shell and fixedly peg graft with the side of spray board, the water inlet end fixedly connected with aqueduct of water pump, the lower extreme fixed grafting of aqueduct is in the top surface of water supply ring, the side of aqueduct is provided with the condenser, water-cooling subassembly sets up in the forced air cooling subassembly side.

As a preferable scheme of the guide bearing cooling device of the hydropower station hydraulic turbine, the utility model comprises the following steps: the air guide pipe consists of two round table-shaped pipes and a round pipe, wherein the two round table-shaped pipes are respectively and fixedly connected to two ends of the round pipe, and the lateral surface of the round table-shaped pipe is fixedly connected with the inner wall of the shell.

As a preferable scheme of the guide bearing cooling device of the hydropower station hydraulic turbine, the utility model comprises the following steps: the number of the drain pipes is at least two, and the at least two drain pipes are distributed on the side face of the shell in an annular mode at equal intervals.

As a preferable scheme of the guide bearing cooling device of the hydropower station hydraulic turbine, the utility model comprises the following steps: the spray plate consists of a hollow plate and at least two spray heads, and at least two spray heads are distributed on the bottom surface of the hollow plate in a straight line at equal intervals.

As a preferable scheme of the guide bearing cooling device of the hydropower station hydraulic turbine, the utility model comprises the following steps: the spray plate is arranged at the lower side of the fan, and the spray plate is arranged at the upper end of the air guide pipe.

As a preferable scheme of the guide bearing cooling device of the hydropower station hydraulic turbine, the utility model comprises the following steps: the inner wall fixedly connected with connecting rod of guide duct, the one end fixedly connected with bearing of guide duct is kept away from to the connecting rod, the inner wall of bearing is fixed to peg graft there is the paddle pole, the side fixedly connected with scraper blade of paddle pole, the side and the inner wall sliding connection of shell of scraper blade.

As a preferable scheme of the guide bearing cooling device of the hydropower station hydraulic turbine, the utility model comprises the following steps: the paddle rod consists of at least two paddles and a round rod, and at least two paddles are distributed on the side surface of the round rod in an annular mode at equal intervals.

As a preferable scheme of the guide bearing cooling device of the hydropower station hydraulic turbine, the utility model comprises the following steps: the number of the scrapers is two, the two scrapers are symmetrical relative to the paddle rod, and the shape of each scraper is T-shaped.

As a preferable scheme of the guide bearing cooling device of the hydropower station hydraulic turbine, the utility model comprises the following steps: the top surface of the water supply ring is fixedly inserted with a conical pipe, and the conical pipe is arranged at the lower side of the condenser.

The guide bearing cooling device for the hydropower station hydraulic turbine has the beneficial effects that: the utility model is convenient to discharge condensed water accumulated on the inner wall of the shell into the water supply ring through the drain pipe, simultaneously supplies water to the water supply ring through the water supply pipe, and conveniently conveys water in the water supply ring into the spraying plate for spraying through the water pump, and then the low-temperature water mist is blown into the guide bearing of the water turbine through the fan, so that the cooling speed of the water cooler is increased, and the utilization rate of the condensed water is higher.

In view of the fact that in the actual use process, the problem that an operator cannot find the guide bearing of the water turbine in time when the temperature of the guide bearing of the water turbine is too high exists.

In order to solve the technical problems, the utility model also provides the following technical scheme: the protection system comprises a maintenance component, wherein the maintenance component comprises a temperature detector, the output end of the temperature detector is provided with a processor, the output end of the processor is provided with an alarm, and the maintenance component is arranged inside the air cooling component.

The protection system of the utility model has the beneficial effects that: the temperature detector is convenient for detecting the temperature of the guide bearing of the water turbine, the temperature warning value is set in the processor, and when the temperature detected by the temperature detector reaches the warning value, the processor controls the alarm to start to operate, so that the temperature detector is convenient for warning an operator in time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic perspective view of a guide bearing cooling device of a hydraulic turbine in a hydropower station.

Fig. 2 is a partial perspective sectional view of a guide bearing cooling device of a hydraulic turbine in a hydropower station.

Fig. 3 is a schematic circuit connection diagram of the protection system.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 2, in a first embodiment of the present utility model, the embodiment provides a cooling device for a guide bearing of a hydraulic turbine of a hydropower station, which can achieve the effect of increasing the utilization rate of condensed water, and the cooling device comprises an air cooling assembly 100, which comprises a housing 101, wherein a refrigerator main body 102 is arranged on the top surface of the housing 101, a fan 103 is arranged on the lower side of the refrigerator main body 102, an air guide pipe 104 is fixedly connected to the inner wall of the housing 101, the air guide pipe 104 consists of two circular truncated cone pipes and a circular tube, the two circular truncated cone pipes are respectively and fixedly connected to two ends of the circular truncated cone pipes, the side surface of the circular truncated cone pipe on the lower side is fixedly connected to the inner wall of the housing 101, and the guide pipe 104 is used for guiding low-temperature air and low-temperature water mist conveniently, so that the low-temperature air flow and the low-temperature water mist can enter the hydraulic turbine and the guide bearing of the hydraulic turbine is cooled;

the water cooling assembly 200 comprises a water supply ring 201, wherein a water supply pipe 202 is fixedly inserted into the side surface of the water supply ring 201, the water supply ring 201 is fixedly sleeved on the side surface of the shell 101, a drain pipe 203 is fixedly inserted into the side surface of the shell 101, one end of the drain pipe 203, far away from the shell 101, is fixedly inserted into the side surface of the water supply ring 201, the number of the drain pipes 203 is at least two, the drain pipes 203 are distributed on the side surface of the shell 101 in an annular mode at equal intervals, condensate water inside the shell 101 is conveniently discharged through cooperation of the at least two drain pipes 203, and the condensate water is collected through the water supply ring 201, so that waste of the condensate water is conveniently reduced.

The inner wall of the shell 101 is provided with a spray plate 204, the spray plate 204 consists of a hollow plate and at least two spray heads, the at least two spray heads are distributed on the bottom surface of the hollow plate in a straight line at equal distance, water in the hollow plate is conveniently sprayed through cooperation of the at least two spray heads, and then water mist is conveyed into the guide bearing of the water turbine through the fan 103, so that the cooling speed of the guide bearing of the water turbine is conveniently increased; the side of shell 101 is provided with water pump 205, and the play water end of water pump 205 runs through shell 101 and fixedly pegging graft with the side of spray plate 204, and the water inlet end fixedly connected with aqueduct 206 of water pump 205, the lower extreme of aqueduct 206 is fixedly pegged graft at the top surface of water supply ring 201, and the side of aqueduct 206 is provided with condenser 207, and water-cooling module 200 sets up at the forced air cooling subassembly 100 side.

Specifically, the spray plate 204 is arranged at the lower side of the fan 103, the spray plate 204 is arranged at the upper end of the air guide pipe 104, the water mist sprayed by the spray plate 204 is conveniently conveyed through the fan 103, and meanwhile, the water mist is guided through the air guide pipe 104, so that the water mist and the air flow are simultaneously caused to enter the water turbine to cool the guide bearing of the water turbine.

Specifically, the top surface of the water supply ring 201 is fixedly inserted with a conical tube 201a, the conical tube 201a is arranged at the lower side of the condenser 207, and water drops dropping from the condenser 207 are conveniently collected through the conical tube 201a, so that waste of water resources is reduced.

In summary, the device is firstly arranged on the guide bearing of the water turbine, then the refrigerator main body 102 is used for refrigerating, and then cold air is introduced into the water turbine through the air guide pipe 104 by the fan 103, so that the guide bearing of the water turbine is subjected to air cooling; condensed water accumulated on the inner wall of the shell 101 is conveniently discharged into the water supply ring 201 through the drain pipe 203, meanwhile, the water supply ring 201 is supplied through the water supply pipe 202, water in the water supply ring 201 is conveniently conveyed into the spray plate 204 through the water pump 205 to be sprayed, meanwhile, cooling treatment is conveniently carried out on the water through the condenser 207, and then low-temperature water mist is blown into the water turbine through the fan 103, so that water cooling is carried out on the guide bearing of the water turbine.

Example 2

Referring to fig. 1-2, in a second embodiment of the present utility model, unlike the previous embodiment, this embodiment provides further optimization of the guide bearing cooling device of the hydraulic turbine of the hydropower station, and solves the problem that more water drops are easily attached to the inner wall of the device.

Specifically, the inner wall fixedly connected with connecting rod 104a of guide duct 104, the one end fixedly connected with bearing 104b that guide duct 104 was kept away from to connecting rod 104a, the fixed grafting of inner wall of bearing 104b has paddle pole 104c, the side fixedly connected with scraper blade 104d of paddle pole 104c, the side and the inner wall sliding connection of shell 101 of scraper blade 104d, be convenient for blow paddle pole 104c rotatory through fan 103, thereby it scrapes the comdenstion water on the inner wall of shell 101 to sweep through paddle pole 104c drive scraper blade 104d rotation convenience, be convenient for carry the comdenstion water to water supply ring 201 in carrying cyclic utilization through drain 203 thereupon.

Specifically, the paddle lever 104c is composed of at least two paddles and a round bar, the at least two paddles are distributed on the side surface of the round bar in an annular shape at equal intervals, and the paddle lever 104c can drive the scraping plate 104d to rotate when the fan 103 is driven to operate through cooperation of the at least two paddles, so that condensate water on the inner wall of the shell 101 can be scraped conveniently.

Specifically, the number of the scrapers 104d is two, the two scrapers 104d are symmetrical with respect to the paddle lever 104c, the shape of the scrapers 104d is T-shaped, and the scrapers 104d facilitate scraping and sweeping of condensed water on the inner wall of the casing 101, thereby promoting the condensed water to be quickly gathered together and discharged into the inside of the water supply ring 201 through the drain pipe 203.

In summary, the fan 103 is convenient to blow the paddle rod 104c to rotate, so that the paddle rod 104c drives the scraper 104d to rotate to sweep condensed water on the inner wall of the shell 101, and the condensed water is promoted to be quickly gathered together and discharged into the water supply ring 201 through the drain pipe 203, so that the condensed water is convenient to recycle.

Example 3

Referring to fig. 3, a third embodiment of the present utility model, which is different from the previous embodiment in that it provides a protection system to solve the problem that an operator is not easy to find in time when the temperature of the turbine guide bearing is too high, includes a maintenance assembly 300 including a temperature detector 301, and the temperature detector 301 is used to detect the temperature of the turbine guide bearing; the output end of the temperature detector 301 is provided with a processor 302, the output end of the processor 302 is provided with an alarm 303, and when the temperature detected by the temperature detector 301 reaches an alarm value, the processor 302 controls the alarm 303 to start alarming; the maintenance assembly 300 is internal to the air cooled assembly 100.

In summary, the temperature detector 301 is convenient to detect the temperature of the guide bearing of the water turbine, and a temperature warning value is set in the processor 302, and when the temperature detected by the temperature detector 301 reaches the warning value, the processor 302 controls the alarm 303 to start to operate, so that the warning to an operator is convenient.

It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. A hydropower station hydraulic turbine guide bearing cooling device is characterized in that: comprising the steps of (a) a step of,

the air cooling assembly (100) comprises a shell (101), wherein a refrigerator main body (102) is arranged on the top surface of the shell (101), a fan (103) is arranged on the lower side of the refrigerator main body (102), and an air guide pipe (104) is fixedly connected to the inner wall of the shell (101); the method comprises the steps of,

the water cooling assembly (200) comprises a water supply ring (201), a water supply pipe (202) is fixedly inserted into the side face of the water supply ring (201), the water supply ring (201) is fixedly sleeved on the side face of the shell (101), a drain pipe (203) is fixedly inserted into the side face of the shell (101), one end of the drain pipe (203) away from the shell (101) is fixedly inserted into the side face of the water supply ring (201), a spray plate (204) is arranged on the inner wall of the shell (101), a water pump (205) is arranged on the side face of the shell (101), a water outlet end of the water pump (205) penetrates through the shell (101) and is fixedly inserted into the side face of the spray plate (204), a water inlet end of the water pump (205) is fixedly connected with a water guide pipe (206), the lower end of the water guide pipe (206) is fixedly inserted into the top face of the water supply ring (201), a condenser (207) is arranged on the side face of the water cooling assembly (200) is arranged on the side face of the air cooling assembly (100).

2. The hydroelectric turbine guide bearing cooling device according to claim 1, wherein: the air guide pipe (104) consists of two round table-shaped pipes and a round pipe, the two round table-shaped pipes are respectively and fixedly connected to two ends of the round pipe, and the lateral surface of the round table-shaped pipe is fixedly connected with the inner wall of the shell (101) at the lower side.

3. The hydroelectric turbine guide bearing cooling apparatus of claim 2, wherein: the number of the drain pipes (203) is at least two, and the at least two drain pipes (203) are distributed on the side surface of the shell (101) in an annular mode at equal intervals.

4. A hydroelectric turbine guide bearing cooling apparatus according to claim 2 or claim 3, wherein: the spray plate (204) consists of a hollow plate and at least two spray heads, and at least two spray heads are equidistantly and linearly distributed on the bottom surface of the hollow plate.

5. The hydroelectric turbine guide bearing cooling apparatus of claim 4, wherein: the spraying plate (204) is arranged on the lower side of the fan (103), and the spraying plate (204) is arranged at the upper end of the air guide pipe (104).

6. The hydropower station hydraulic turbine guide bearing cooling device according to claim 5, wherein: the inner wall fixedly connected with connecting rod (104 a) of guide duct (104), one end fixedly connected with bearing (104 b) of guide duct (104) are kept away from to connecting rod (104 a), the inner wall of bearing (104 b) is fixed to peg graft has paddle pole (104 c), the side fixedly connected with scraper blade (104 d) of paddle pole (104 c), the side and the inner wall sliding connection of shell (101) of scraper blade (104 d).

7. The hydroelectric turbine guide bearing cooling apparatus of claim 6, wherein: the paddle rod (104 c) is composed of at least two paddles and a round rod, and the at least two paddles are distributed on the side face of the round rod in an annular mode at equal intervals.

8. The hydroelectric turbine guide bearing cooling apparatus according to claim 6 or 7, wherein: the number of the scrapers (104 d) is two, the two scrapers (104 d) are symmetrical relative to the paddle rod (104 c), and the shape of the scrapers (104 d) is T.

9. The hydroelectric turbine guide bearing cooling apparatus of claim 8, wherein: the top surface of the water supply ring (201) is fixedly inserted with a conical pipe (201 a), and the conical pipe (201 a) is arranged at the lower side of the condenser (207).

10. A protection system, characterized by: comprising a hydroelectric turbine guide bearing cooling apparatus according to any of claims 1 to 9, further comprising,

the maintenance assembly (300) comprises a temperature detector (301), wherein the output end of the temperature detector (301) is provided with a processor (302), the output end of the processor (302) is provided with an alarm (303), and the maintenance assembly (300) is arranged inside the air cooling assembly (100).

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