Drying device of hydraulic generator

Abstract

The utility model is suitable for the technical field of hydro-generator drying, and provides a hydro-generator drying device which comprises an outer cover shell, an inner cover shell and an outer cover shell, the cover plate is hinged to the outer side wall of the outer cover shell; the vacuum pump, the high-pressure gas storage tank, the first moisture adsorption tank and the second moisture adsorption tank are fixed to the top of the outer cover shell through bolts, the high-pressure gas storage tank is located between the vacuum pump and the first moisture adsorption tank, and the first moisture adsorption tank is located on one side of the second moisture adsorption tank; the first connecting pipe is fixed between the outer housing and the vacuum pump through a bolt; the second connecting pipe is fixed between the vacuum pump and the high-pressure gas storage tank through a bolt; hot air containing water vapor on the outer side of the hydro-generator is pumped away to form a vacuum environment, the situation that the water vapor is gathered and cannot be fully dried due to the fact that the outer side wall of the hydro-generator is irregular can be avoided, the outer side of the hydro-generator is intermittently filled with the hot air, and effective drying of the hydro-generator is achieved.

Description

Technical Field

[0001] This utility model belongs to the field of water turbine generator drying technology, and in particular relates to a drying device for a water turbine generator. Background Technology

[0002] A hydro-generator is a generator that uses a hydro turbine as its prime mover to convert water energy into electrical energy. When water flows through the turbine, it converts water energy into mechanical energy. The turbine shaft then drives the generator rotor, converting mechanical energy into electrical energy for output. It is the main power equipment for hydropower stations to produce electricity.

[0003] Currently, hydropower technology is sufficient to support the utilization of existing resources. However, inside a hydropower station, due to the continuous flow of large amounts of water, the air around the turbine generator components is humid and contains a large amount of water vapor. Since the air cannot circulate, this water vapor remains indoors. Simultaneously, the turbine generator components generate a large amount of heat during operation. This heat causes the water vapor in the air to condense into water droplets that adhere to the inner walls of the generator components. As the heat increases, more and more water droplets are produced, eventually flowing into the generator components and causing water to enter the parts. This can range from affecting the lifespan of the components to damaging internal circuitry and ultimately destroying the generator components.

[0004] Therefore, a drying device for a hydro-generator is proposed. Utility Model Content

[0005] This invention provides a drying device for a hydro-generator, which aims to solve the above-mentioned problems.

[0006] This utility model is implemented as follows: a drying device for a hydro-generator includes: an outer casing; a cover plate hinged to the outer wall of the outer casing; a vacuum pump, a high-pressure gas storage tank, a first moisture adsorption tank, and a second moisture adsorption tank, all bolted to the top of the outer casing, the high-pressure gas storage tank being located between the vacuum pump and the first moisture adsorption tank, the first moisture adsorption tank being located to one side of the second moisture adsorption tank; a first connecting pipe bolted to the outer casing and the vacuum pump; a second connecting pipe bolted to the vacuum pump and the high-pressure gas storage tank; a solenoid valve bolted to the outer wall of the high-pressure gas storage tank; a third connecting pipe bolted to both the first and second moisture adsorption tanks and the solenoid valve; a fourth connecting pipe bolted to both the first and second moisture adsorption tanks and the outer casing; electric heating wires located at the bottom of both the first and second moisture adsorption tanks; calcium chloride desiccant filling both the first and second moisture adsorption tanks; exhaust valves bolted to the top of both the first and second moisture adsorption tanks; and a hydro-generator located inside the outer casing.

[0007] A drying device for a hydro-generator further includes a heating box fixed to the outer wall of the outer casing by bolts, the heating box also having an electric heating wire inside; an intake fan fixed to the outer wall of the heating box by bolts; and a shut-off valve fixed to the inner wall of the outer casing near the heating box by bolts.

[0008] Preferably, there are two cover plates, and the two cover plates are symmetrically arranged on the outer side wall of the outer shell.

[0009] Preferably, one end of both the first connecting pipe and the fourth connecting pipe passes through the outer casing and is located inside it.

[0010] Preferably, both the first moisture adsorption box and the second moisture adsorption box are provided with a partition, and the interiors of the first moisture adsorption box and the second moisture adsorption box are divided into two independent spaces by the partition.

[0011] Preferably, both the intake fan and the shut-off valve are connected to the heating chamber.

[0012] Compared with the prior art, the embodiments of this application have the following main advantages:

[0013] By removing the hot air containing water vapor from the outside of the hydro-generator to create a vacuum environment, the accumulation of water vapor due to the irregularity of the outer wall of the hydro-generator can be avoided, preventing it from being fully dried. By intermittently filling the outside of the hydro-generator with hot air, effective drying of the hydro-generator can be achieved. The use of switching between the first and second moisture adsorption tanks to adsorb water vapor can ensure the drying of the hot air, thereby ensuring the drying effect of the hydro-generator, achieving uninterrupted drying, and improving drying efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the external structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the outer casing structure of this utility model;

[0017] Figure 4 This is a cross-sectional view of the second moisture adsorption tank of this utility model.

[0018] In the diagram: 1. Outer casing; 2. Cover plate; 3. Vacuum pump; 4. High-pressure gas storage tank; 5. First moisture adsorption tank; 6. Second moisture adsorption tank; 7. First connecting pipe; 8. Second connecting pipe; 9. Solenoid valve; 10. Third connecting pipe; 11. Fourth connecting pipe; 12. Electric heating wire; 13. Calcium chloride desiccant; 14. Exhaust valve; 15. Heating box; 16. Inlet fan; 17. Shut-off valve; 18. Hydro-generator. Detailed Implementation

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0020] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0021] This utility model embodiment provides a drying device for a hydro-generator, such as... Figure 1-4As shown, the device includes an outer casing 1. Two cover plates 2 are hinged to one side of the outer wall of the outer casing 1, symmetrically arranged on the outer side wall of the outer casing 1. A vacuum pump 3 and a high-pressure gas storage tank 4 are bolted to the top of the outer casing 1. The vacuum pump 3 is located to one side of the high-pressure gas storage tank 4. A first moisture adsorption tank 5 and a second moisture adsorption tank 6 are bolted to the top of the outer casing 1 near the vacuum pump 3 and the high-pressure gas storage tank 4. The first moisture adsorption tank 5 is located to one side of the second moisture adsorption tank 6. A first connecting pipe 7 is bolted between the top of the outer casing 1 and the input end of the vacuum pump 3. A second connecting pipe 8 is bolted between the output end of the vacuum pump 3 and one side of the outer wall of the high-pressure gas storage tank 4. Two solenoid valves 9 are symmetrically bolted to the other side of the outer wall of the high-pressure gas storage tank 4. A third connecting pipe 8 is bolted between one side of the outer wall of the first moisture adsorption tank 5 and the second moisture adsorption tank 6 and the two solenoid valves 9. A fourth connecting pipe 11 is bolted to the outer wall of the first moisture adsorption tank 5 and the second moisture adsorption tank 6 on the other side and to the top of the outer casing 1. One end of the first connecting pipe 7 and the fourth connecting pipe 11 passes through the outer casing 1 and is located inside it. The first moisture adsorption tank 5 and the second moisture adsorption tank 6 are both equipped with an electric heating wire 12 and a calcium chloride desiccant 13. The electric heating wire 12 is located below the calcium chloride desiccant 13. The top of the first moisture adsorption tank 5 and the second moisture adsorption tank 6 are bolted to an exhaust valve 14. A heating box 15 is bolted to the outer wall of the outer casing 1 on the side adjacent to the cover plate 2. An inlet fan 16 is bolted to the outer wall of the heating box 15 on the side away from the outer casing 1. A shut-off valve 17 is bolted to the inner wall of the outer casing 1 on the side near the heating box 15. The inlet fan 16 and the shut-off valve 17 are both connected to the heating box 15. A water turbine generator 18 is installed inside the outer casing 1.

[0022] It should be noted that the air around existing hydroelectric generator components is humid, containing a large amount of water vapor, and the air cannot circulate, causing the water vapor to remain indoors. The heat generated by the hydroelectric generator components causes the water vapor in the air to condense into water droplets and adhere to the inner wall of the generator components. These water droplets then flow into the generator components, causing water to enter the parts. This can affect the service life of the components or, in severe cases, damage the internal circuitry and lead to the failure of the generator components. In this embodiment, by removing the hot air containing water vapor from the outside of the hydroelectric generator 18 to create a vacuum environment, the water vapor accumulation caused by the irregularity of the outer wall of the hydroelectric generator 18 can be avoided, preventing it from being fully dried. By intermittently filling the outside of the hydroelectric generator 18 with hot air, the hydroelectric generator 18 can be effectively dried. The use of the first moisture adsorption box 5 and the second moisture adsorption box 6 to switch between adsorb water vapor can ensure the dryness of the hot air, thereby ensuring the drying effect of the hydroelectric generator 18, achieving uninterrupted drying, and improving the drying efficiency.

[0023] Specifically, in this embodiment, the solution mainly includes a vacuum pump 3, a first moisture adsorption box 5, and a second moisture adsorption box 6. In use, the outer casing 1 is placed over the outside of the hydro-generator 18. When drying the hydro-generator 18, the cover plate 2 is closed, the shut-off valve 17 is opened, and the fan 16 blows external air into the heating box 15. The electric heating wire 12 inside the heating box 15 heats the air. The hot air passes through the shut-off valve 17 and enters the interior of the outer casing 1, filling the outer casing 1. When the heat inside the outer casing 1 reaches the required drying temperature, the hot air dries the hydro-generator 18, causing the water on the hydro-generator 18 to evaporate, and the outer casing 1 becomes filled with a large amount of water vapor. At this point, the shut-off valve 17 is closed. After the drying time is reached, the vacuum pump 3 is powered on. The vacuum pump 3 draws the hot air containing water vapor from the outer casing 1 through the first connecting pipe 7 and the second connecting pipe 8 into a high-temperature environment. The high-pressure air storage tank 4 stores hot air. One of the solenoid valves 9 is opened, and the hot air in the high-pressure air storage tank 4 enters the first moisture adsorption tank 5 or the second moisture adsorption tank 6 through the third connecting pipe 10. The calcium chloride desiccant 13 in the first moisture adsorption tank 5 or the second moisture adsorption tank 6 adsorbs the water vapor in the hot air. The dried hot air enters the outer casing 1 through the fourth connecting pipe 11, and the hot air dries the water turbine generator 18 again. After the drying time is reached, the vacuum pump 3 is powered on again, and the above steps are repeated. When the calcium chloride desiccant 13 is saturated, the exhaust valve 14 is opened, and the electric heating wire 12 in the first moisture adsorption tank 5 or the second moisture adsorption tank 6 is powered on to generate heat. The calcium chloride desiccant 13 is heated, causing the moisture to evaporate and be discharged through the exhaust valve 14, ensuring that the calcium chloride desiccant 13 has drying and adsorption properties, thereby achieving the adsorption of water vapor in the hot air.

[0024] In a further preferred embodiment of this utility model, such as Figure 4 As shown, both the first moisture adsorption box 5 and the second moisture adsorption box 6 are equipped with partitions, and the interiors of the first moisture adsorption box 5 and the second moisture adsorption box 6 are divided into two independent spaces by the partitions.

[0025] In this embodiment, the electric heating wire 12 and the calcium chloride desiccant 13 can be placed independently, thereby heating the calcium chloride desiccant 13.

[0026] It should be noted that, for the sake of simplicity, the foregoing embodiments are all described as a series of actions. However, those skilled in the art should understand that the present invention is not limited to the described order of actions, as some steps may be performed in other orders or simultaneously according to the present invention. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.

[0027] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative. For instance, the division of units described above may be implemented in other ways in practice. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0028] The units described above as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0029] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A drying device for a hydro-generator, characterized in that, include: Outer casing (1); A cover plate (2) hinged to the outer side wall of the outer casing (1); The vacuum pump (3), high-pressure gas storage tank (4), first moisture adsorption tank (5) and second moisture adsorption tank (6) are fixed to the top of the outer casing (1) by bolts. The high-pressure gas storage tank (4) is located between the vacuum pump (3) and the first moisture adsorption tank (5). The first moisture adsorption tank (5) is located on one side of the second moisture adsorption tank (6). The first connecting pipe (7) is fixed between the outer casing (1) and the vacuum pump (3) by bolts; The second connecting pipe (8) is fixed between the vacuum pump (3) and the high-pressure gas storage tank (4) by bolts; The solenoid valve (9) is fixed to the outer wall of the high-pressure gas storage tank (4) by bolts; The third connecting pipe (10) is fixed to the first moisture adsorption tank (5), the second moisture adsorption tank (6) and the solenoid valve (9) by bolts; The fourth connecting pipe (11) is fixed to the first moisture adsorption box (5), the second moisture adsorption box (6) and the outer shell (1) by bolts; Electric heating wires (12) are installed at the bottom of the interior of both the first moisture adsorption tank (5) and the second moisture adsorption tank (6); and Calcium chloride desiccant (13) is filled inside the first moisture adsorption box (5) and the second moisture adsorption box (6); The exhaust valves (14) are all fixed to the top of the first moisture adsorption tank (5) and the second moisture adsorption tank (6) by bolts; A water turbine generator (18) is installed inside the outer casing (1).

2. The drying device for a hydro-generator as described in claim 1, characterized in that, It also includes a heating box (15) that is fixed to the outer wall of the outer casing (1) by bolts, and the heating box (15) is also equipped with an electric heating wire (12); The air intake fan (16) is fixed to the outer wall of the heating box (15) by bolts; The shut-off valve (17) is fixed to the inner wall of the outer casing (1) near the heating box (15) by bolts.

3. The drying device for a hydro-generator as described in claim 1, characterized in that, There are two cover plates (2), and the two cover plates (2) are symmetrically arranged on the outer side wall of the outer shell (1).

4. The drying device for a hydro-generator as described in claim 1, characterized in that, One end of the first connecting pipe (7) and the fourth connecting pipe (11) both pass through the outer casing (1) and are located inside it.

5. The drying device for a hydro-generator as described in claim 1, characterized in that, The first moisture adsorption box (5) and the second moisture adsorption box (6) are both equipped with partitions, and the interiors of the first moisture adsorption box (5) and the second moisture adsorption box (6) are divided into two independent spaces by the partitions.

6. The drying device for a hydro-generator as described in claim 2, characterized in that, The inlet fan (16) and the shut-off valve (17) are both connected to the heating box (15).

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