CN219918647U

CN219918647U - Hydroelectric power generation group cooling device

Info

Publication number: CN219918647U
Application number: CN202321274286.3U
Authority: CN
Inventors: 刘双元; 罗光云
Original assignee: Fujian Huiqing Construction Engineering Co ltd
Current assignee: Fujian Huiqing Construction Engineering Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-10-27
Anticipated expiration: 2033-05-24

Abstract

The utility model belongs to the technical field of hydroelectric generation, and particularly relates to a hydroelectric generation set cooling device which comprises a cooling bin structure, wherein the cooling bin structure comprises a unit bin, a backflow bin is fixedly connected to the outer side of the top of the unit bin, the backflow bin and the unit bin are communicated with each other, a supporting table is fixedly connected to the top of the backflow bin, a circulating pump is arranged on the supporting table, a backflow assembly is arranged in a space between the unit bin and the backflow bin, one end of the backflow bin is connected with a baffle, and one end of the unit bin is connected with an organic bin cover. The cooling device of the hydroelectric generating set adopts a unique cooling bin structure, comprises a reflux component and a circulating pump, and can effectively carry away heat generated by the generating set in the operation process, thereby maintaining the normal operation of the generating set and prolonging the service life of the generating set; through the design of machine storehouse lid and baffle to and backup pad and fixed plate's setting, guaranteed whole cooling device's structural stability, and easy installation and maintenance, this maintenance cost and the time that can reduce equipment.

Description

Hydroelectric power generation group cooling device

Technical Field

The utility model belongs to the technical field of hydroelectric power generation, and particularly relates to a hydroelectric power generation group cooling device.

Background

Hydroelectric power generation is a widely used clean energy source, and the working mode is to drive a hydraulic generator to work by utilizing the power of water. However, during the hydroelectric generation process, the generator set can generate a large amount of heat during long-time high-speed operation, if the heat cannot be taken away in time, damage can be generated to parts in the generator set, even overheating of the generator set can be caused, normal operation of the generator set is affected, and even shutdown is caused.

To solve this problem, it is currently common to reduce the temperature of the generator set by setting up a cooling device. Common cooling devices include both air-cooled and liquid-cooled devices. The air cooling mode is simple, but the cooling effect is not satisfactory, and particularly, the cooling capacity is obviously reduced in a high-temperature environment. The liquid cooling mode has good cooling effect, but the application of the liquid cooling mode is limited due to the complex structure and high cost. In addition, both the two modes need to be provided with a cooling device outside the unit, which not only increases the volume of the unit, but also brings inconvenience to the installation and maintenance of the unit.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a hydropower generation set cooling device which can be used for effectively reducing the temperature in a generator set while ensuring the normal operation of the generator set.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a hydroelectric power generation group cooling device, includes cooling bin structure, cooling bin structure includes the unit storehouse, unit storehouse top outside fixedly connected with backward flow storehouse, link up each other between backward flow storehouse and the unit storehouse, the top fixedly connected with brace table in backward flow storehouse, install the circulating pump on the brace table, the backward flow subassembly is installed in the space between unit storehouse and the backward flow storehouse, the one end in backward flow storehouse is connected with the baffle, the one end in unit storehouse is connected with organic bin lid.

Further, the backward flow subassembly includes the back flow, the quantity of back flow sets up to a plurality ofly, and a plurality of the cover is equipped with the conducting strip on the back flow, the one end fixedly connected with first fender head of back flow, and the other end of back flow is connected with the second and keeps off the head, two be connected with the second connecting pipe between the second keeps off the head, be connected with first connecting pipe on the first fender head, first connecting pipe and circulating pump interconnect.

Further, the inner side of the unit bin is fixedly connected with an inner side rod, and the inner side rod is distributed around the central axis of the unit bin at equal intervals.

Further, the inner side of one end of the backflow bin is symmetrically provided with a first clamping groove, and the side surface of the baffle is symmetrically provided with a second clamping groove.

Further, the bottom outside fixedly connected with backup pad of unit storehouse, the bottom fixedly connected with fixed plate of backup pad, the up end of fixed plate runs through and has seted up the fixed orifices.

Further, the top fixedly connected with first connecting plate of brace table, the bottom fixedly connected with second connecting plate of circulating pump, pass through bolt fixed connection between first connecting plate and the second connecting plate.

Further, the side of the machine bin cover is provided with a second through hole in a penetrating mode, and one end of the machine bin is provided with a first through hole in a penetrating mode.

Compared with the prior art, the utility model has the beneficial effects that:

the cooling device of the hydroelectric generating set adopts a unique cooling bin structure, comprises a reflux component and a circulating pump, and can effectively carry away heat generated by the generating set in the operation process, thereby maintaining the normal operation of the generating set and prolonging the service life of the generating set.

Through the design of machine storehouse lid and baffle to and backup pad and fixed plate's setting, guaranteed whole cooling device's structural stability, and easy installation and maintenance, this maintenance cost and the time that can reduce equipment.

Through the through-hole design on unit storehouse and the machine storehouse lid, not only improved ventilation performance, made things convenient for the inside inspection and the maintenance in unit storehouse moreover. This design also further enhances the cooling effect of the cooling device.

The design idea simplifies the structure of the cooling device, realizes the effective cooling effect, and combines the stability and maintainability. The cooling system optimizes the actual condition of the cooling requirement of the current hydroelectric generating set, and has good application prospect.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a cooling chamber structure according to the present utility model;

FIG. 3 is a schematic diagram of a cooling chamber structure according to the second embodiment of the present utility model;

FIG. 4 is a schematic view of a reflow assembly according to the present utility model;

fig. 5 is a schematic structural view of a baffle plate according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a cooling bin structure; 11. a unit bin; 111. an inner side lever; 112. a first through hole; 12. a reflux bin; 121. a support table; 122. a first connection plate; 123. a first clamping groove; 2. a circulation pump; 21. a second connecting plate; 3. a reflow assembly; 31. a return pipe; 32. a heat conductive sheet; 33. a first stopper; 331. a first connection pipe; 34. a second stop; 341. a second connection pipe; 4. a baffle; 41. a second clamping groove; 5. a machine bin cover; 51. a second through hole; 6. a support plate; 61. a fixing plate; 611. and a fixing hole.

Description of the embodiments

The present utility model will be specifically described with reference to examples below in order to make the objects and advantages of the present utility model more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the utility model and does not limit the scope of the utility model strictly as claimed.

Referring to fig. 1-5, the present utility model relates to a cooling device for a hydroelectric generating set, which is mainly aimed at realizing internal cooling of the generating set so as to ensure normal operation of the generating set and prolong the service life of the generating set. It comprises a cooling silo structure 1, which cooling silo structure 1 has a machine silo 11. The outside of the top of the unit bin 11 is fixedly connected with a backflow bin 12 which is communicated with the unit bin 11 to provide a flow path of cooling liquid. A supporting table 121 is fixedly connected to the top of the backflow bin 12, and a circulating pump 2 for driving the flow of the cooling liquid is installed on the supporting table 121. In the space between the unit housing 11 and the return housing 12, a return assembly 3 is arranged for taking away the heat generated by the generator unit. Furthermore, a baffle 4 is connected to one end of the return compartment 12, and a compartment cover 5 is connected to one end of the unit compartment 11, both for protecting the internal structure of the cooling device and preventing leakage of the cooling liquid.

Referring to fig. 1-4, the return assembly 3 is implemented by a series of return pipes 31, the number of the return pipes 31 is plural, and the plurality of return pipes 31 are sleeved with heat conducting fins 32 for increasing the contact area between the return assembly 3 and the unit housing 11 and the return housing 12 so as to more effectively carry away heat. One end of each return pipe 31 is fixedly connected with a first blocking head 33, and the other end is connected with a second blocking head 34. The two second blocking heads 34 are connected through a second connecting pipe 341, and the first blocking head 33 is connected with a first connecting pipe 331, and the first connecting pipe 331 is connected with the circulating pump 2, so that a circulating path of the cooling liquid is formed.

Referring to fig. 2, in order to enhance the stability of the cooling bin structure 1, a plurality of inner bars 111 are fixedly connected to the inner side of the unit bin 11, and the inner bars 111 are distributed at equal intervals around the central axis of the unit bin 11.

Referring to fig. 2 and 5, in order to facilitate the installation and fixation of the baffle 4, a plurality of first clamping grooves 123 are symmetrically formed on the inner side of one end of the reflow bin 12, and a plurality of second clamping grooves 41 are symmetrically formed on the side surface of the baffle 4.

Referring to fig. 2, in order to improve stability of the cooling device and simplify installation work, a support plate 6 is fixedly connected to the outer side of the bottom of the unit warehouse 11, a fixing plate 61 is fixedly connected to the bottom end of the support plate 6, and a fixing hole 611 is formed in the upper end surface of the fixing plate 61 in a penetrating manner, so that the cooling device is more stable in the working process.

Referring to fig. 1-2, in order to ensure stable connection of the circulation pump 2 with the support table 121, a first connection plate 122 is fixedly connected to the top of the support table 121, and a second connection plate 21 is fixedly connected to the bottom of the circulation pump 2. The first connection plate 122 and the second connection plate 21 are fixedly connected by bolts, so that stability of the circulation pump 2 during operation can be ensured.

Referring to fig. 3 and 5, in order to improve ventilation performance of the cooling device and facilitate inspection and maintenance of the unit warehouse, a second through hole 51 is formed through a side surface of the warehouse cover 5, and a first through hole 112 is formed through one end of the unit warehouse 11. The two through holes can provide good ventilation effect, and meanwhile, the inspection and maintenance of the interior of the unit bin are convenient for staff.

In general, the cooling device of the hydroelectric generating set has a unique design structure, so that cooling liquid can circulate between the set bin 11 and the reflux bin 12, and heat generated by the generating set in the operation process is effectively taken away by virtue of the reflux pipe 31 and the heat conducting fins 32 in the reflux assembly 3. In addition, the circulation pump 2 is arranged so that the cooling liquid can continuously flow, thereby ensuring the high efficiency of the cooling device.

By the design of the cabin cover 5 and the baffle 4 and the arrangement of the supporting plate 6 and the fixing plate 61, the structural stability of the whole cooling device is ensured, and the installation and the maintenance are easy. Meanwhile, through the design of the through holes on the unit cabin 11 and the cabin cover 5, the ventilation performance is improved, and the cooling effect is further improved.

The working principle of the utility model is as follows:

1. when the hydroelectric power generating set cooling device of the utility model is used, the circulating pump 2 starts to work first, and the cooling liquid is driven to flow.

2. The cooling fluid flows through the return pipe 31 and the heat conducting fin 32 also starts to work, so that heat between the unit cabin 11 and the return cabin 12 can be taken away. This is because the plurality of heat conductive fins 32 increases the contact area between the reflow assembly 3 and the set compartment 11 and the reflow compartment 12.

3. When the generator set is operated in the set compartment 11, the generated heat may enter the space between the set compartment 11 and the reflow compartment 12.

4. When the hot air contacts the return pipe 31 and the heat conducting fin 32 located in the space between the stack 11 and the return pipe 12, the heat in the hot air is taken away.

5. By means of the cooling mode from the inside of the generator set, the temperature can be effectively and rapidly lowered. Therefore, damage to parts in the shell caused by generated heat in the power generation process can be reduced.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. The utility model provides a hydroelectric power generating set cooling device, includes cooling bin structure (1), its characterized in that: the cooling bin structure (1) comprises a unit bin (11), a backflow bin (12) is fixedly connected to the outer side of the top of the unit bin (11), the backflow bin (12) and the unit bin (11) are communicated with each other, a supporting table (121) is fixedly connected to the top of the backflow bin (12), a circulating pump (2) is installed on the supporting table (121), a backflow assembly (3) is installed in a space between the unit bin (11) and the backflow bin (12), a baffle (4) is connected to one end of the backflow bin (12), and an organic bin cover (5) is connected to one end of the unit bin (11).

2. A hydroelectric generating set cooling apparatus according to claim 1, wherein: the backflow component (3) comprises backflow pipes (31), the number of the backflow pipes (31) is multiple, heat conducting fins (32) are sleeved on the backflow pipes (31), one end of each backflow pipe (31) is fixedly connected with a first blocking head (33), the other end of each backflow pipe (31) is connected with a second blocking head (34), a second connecting pipe (341) is connected between the two second blocking heads (34), a first connecting pipe (331) is connected to the first blocking head (33), and the first connecting pipe (331) is connected with the circulating pump (2) mutually.

3. A hydroelectric generating set cooling apparatus according to claim 1, wherein: the inner side of the unit bin (11) is fixedly connected with an inner side rod (111), and the inner side rod (111) is distributed around the central axis of the unit bin (11) at equal intervals.

4. A hydroelectric generating set cooling apparatus according to claim 1, wherein: the inner side of one end of the backflow bin (12) is symmetrically provided with a first clamping groove (123), and the side surface of the baffle (4) is symmetrically provided with a second clamping groove (41).

5. A hydroelectric generating set cooling apparatus according to claim 1, wherein: the machine set bin is characterized in that a supporting plate (6) is fixedly connected to the outer side of the bottom of the machine set bin (11), a fixing plate (61) is fixedly connected to the bottom end of the supporting plate (6), and a fixing hole (611) is formed in the upper end face of the fixing plate (61) in a penetrating mode.

6. A hydroelectric generating set cooling apparatus according to claim 1, wherein: the top fixedly connected with first connecting plate (122) of brace table (121), the bottom fixedly connected with second connecting plate (21) of circulating pump (2), pass through bolted connection between first connecting plate (122) and second connecting plate (21).

7. A hydroelectric generating set cooling apparatus according to claim 1, wherein: the side of machine storehouse lid (5) runs through and has seted up second through-hole (51), the one end of unit storehouse (11) has run through and has seted up first through-hole (112).