CN217383449U

CN217383449U - Rapid cooling protection device of hydraulic turbine set

Info

Publication number: CN217383449U
Application number: CN202220587439.9U
Authority: CN
Inventors: 王兴猛
Original assignee: Wenshan Huayi Energy Co ltd
Current assignee: Wenshan Huayi Energy Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-09-06
Anticipated expiration: 2032-03-17

Abstract

The utility model discloses a quick cooling protection device of hydraulic turbine unit, which comprises a housin, the inside of casing has set gradually first cooling tank, second cooling tank and steam elimination jar, the branch connection that extends on first cooling tank and steam elimination jar's lower extreme all advances the pipe with cold water, the inside of first cooling tank is provided with first spiral pipe, the pipe connection is advanced to the lower mouth of pipe and the heat medium of first spiral pipe, the last mouth of pipe fixedly connected with connecting pipe of first spiral pipe, the other end of connecting pipe and the upper end fixed connection of second cooling tank, the upper end fixedly connected with steam outlet pipe of first cooling tank, the inside of second cooling tank is provided with the second spiral pipe, the lower mouth of pipe and the cold water of second spiral pipe advance a tub fixed connection. The utility model discloses in, adopt the secondary heat exchange cooling, avoid the production of steam in the heat exchange once more, can improve the efficiency of heat exchange.

Description

Rapid cooling protection device of hydraulic turbine set

Technical Field

The utility model relates to a cooling device field especially relates to a quick cooling protection device of hydraulic turbine unit.

Background

The hydraulic generator is a generator which takes a hydraulic turbine as a prime mover to convert water energy into electric energy. When water flows through the water turbine, water energy is converted into mechanical energy, and a rotating shaft of the water turbine drives a rotor of the generator to convert the mechanical energy into electric energy for output.

In the running process of the hydraulic turbine set, friction exists, induction electricity is generated by the coil, and a large amount of generated heat needs to be discharged. Although the hydraulic turbine unit also has a heat dissipation device, an additional safety cooling device needs to be provided for ensuring the safe operation of the hydraulic turbine unit.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a quick cooling protection device of a hydraulic turbine unit.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a quick cooling protection device of a hydraulic turbine set comprises a shell, wherein a first cooling tank, a second cooling tank and a steam elimination tank are sequentially arranged in the shell, a cold water inlet pipe and a heat medium inlet pipe are arranged on one side of the lower portion of the shell, a hot water outlet pipe and a refrigerant outlet pipe are arranged on the other side of the lower portion of the shell, the heat medium inlet pipe is communicated with the refrigerant outlet pipe, and a throttle valve II is arranged between the heat medium inlet pipe and the refrigerant outlet pipe;

the lower extreme of jar is all advanced with cold water to the branch connection that extends on the pipe to first cooling tank and steam elimination jar, the inside of first cooling tank is provided with first spiral pipe, the lower mouth of pipe and the heat medium of first spiral pipe advance the union coupling, the last mouth of pipe fixedly connected with connecting pipe of first spiral pipe, the other end of connecting pipe and the upper end fixed connection of second cooling tank, the upper end fixedly connected with steam outlet pipe of first cooling tank, the inside of second cooling tank is provided with the second spiral pipe, the lower mouth of pipe and the cold water of second spiral pipe advance a fixed connection, the last mouth of pipe and the hot water exit tube fixed connection of second spiral pipe, the lower part lateral wall fixedly connected with refrigerant of second cooling tank links the pipe, refrigerant links the other end and refrigerant exit tube fixed connection, fixedly connected with choke valve three on the refrigerant links the pipe.

As a further description of the above technical solution:

and a first throttling valve is fixedly connected to a branch pipe between the first cooling tank and the cold water inlet pipe.

As a further description of the above technical solution:

the steam outlet pipe is fixedly connected with a steam branch pipe, and the other end of the steam branch pipe extends to the steam elimination tank.

As a further description of the above technical solution:

one end of the steam branch pipe is fixedly connected with a bubbled stone which is positioned inside the steam elimination tank.

As a further description of the above technical solution:

and the steam outlet pipe is fixedly connected with an air valve, and the air valve is positioned between the steam branch pipe and the outlet pipe opening of the steam outlet pipe.

As a further description of the above technical solution:

the steam eliminating tank is characterized in that a side pipe is fixedly connected to the side wall of the upper portion of the steam eliminating tank, the side pipe is connected with a hot water outlet pipe, and a one-way valve is fixedly connected to the side pipe.

As a further description of the above technical solution:

the shell is rotatably connected with a box door, and a window is arranged on the box door.

As a further description of the above technical solution:

and a temperature sensor is arranged on the refrigerant outlet pipe.

The utility model discloses following beneficial effect has:

1. the utility model discloses, adopt the secondary heat exchange cooling, can reduce the temperature of heat medium in the heat exchange of first time, avoid the production of steam in the heat exchange once more, guarantee that the heat exchange once more is stable.

2. The utility model discloses, with the heat medium through being connected with the refrigerant exit tube to control through choke valve two, can adjust the temperature of output refrigerant.

Drawings

Fig. 1 is a schematic perspective view of a rapid cooling protection device for a hydraulic turbine set according to the present invention;

fig. 2 is a schematic diagram of an internal structure of a rapid cooling protection device for a hydraulic turbine set according to the present invention;

fig. 3 is a schematic cross-sectional view of a first cooling tank of the rapid cooling protection device for a hydraulic turbine set according to the present invention;

fig. 4 is a schematic cross-sectional view of a second cooling tank of the rapid cooling protection device for a hydraulic turbine unit according to the present invention;

fig. 5 is a schematic cross-sectional view of a steam eliminating tank of the rapid cooling protection device for a hydraulic turbine set according to the present invention.

Wherein, 1, cold water enters the pipe; 2. a heat medium inlet pipe; 3. a housing; 4. a hot water outlet pipe; 5. a refrigerant outlet pipe; 6. a vapor outlet pipe; 7. a first cooling tank; 8. a first throttling valve; 9. a second cooling tank; 10. a second throttle valve; 11. a refrigerant connecting pipe; 12. a throttle valve III; 13. a vapor elimination tank; 14. a side tube; 15. a one-way valve; 16. an air valve; 17. a steam branch pipe; 18. a connecting pipe; 19. a first spiral pipe; 20. a second spiral pipe; 21. a bubble stone.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a quick cooling protection device of hydraulic turbine unit, which comprises a

housin

3, 3 whole cuboids that are of casing, the inside of casing 3 has set gradually first cooling tank 7, jar 13 is eliminated to second cooling tank 9 and steam, first cooling tank 7 can produce steam, can let in steam with the steam that produces as required and eliminate in jar 13, lower part one side of casing 3 is provided with cold water and advances pipe 1 and heat medium and advance pipe 2, the lower part opposite side of casing 3 is provided with hot water exit tube 4 and refrigerant exit tube 5, the heat medium advances pipe 2 and refrigerant exit tube 5 intercommunication, and be provided with choke valve two 10 between, through adjusting choke valve two 10, a temperature for adjusting the refrigerant and sending out, the refrigerant temperature of avoiding sending out is too low, go into to hydraulic turbine unit in the back, cause hydraulic turbine unit local temperature too big, cause the steady operation that influences hydraulic turbine unit.

The lower ends of the first cooling tank 7 and the steam eliminating tank 13 are connected with a branch pipe extending from a cold water inlet pipe 1 and used for directly pumping cold water to the first cooling tank 7 and the steam eliminating tank 13, a first spiral pipe 19 is arranged inside the first cooling tank 7 and used for heat exchange, the length of heat exchange is increased by a spiral structure, the lower pipe orifice of the first spiral pipe 19 is connected with a heat medium inlet pipe 2, a heat medium enters the first spiral pipe 19, the upper pipe orifice of the first spiral pipe 19 is fixedly connected with a connecting pipe 18, the other end of the connecting pipe 18 is fixedly connected with the upper end of the second cooling tank 9, a heat pump subjected to primary heat exchange directly enters the second cooling tank 9, the upper end of the first cooling tank 7 is fixedly connected with a steam outlet pipe 6 and used for conveying generated steam, a second spiral pipe 20 is arranged inside the second cooling tank 9, the lower pipe orifice of the second spiral pipe 20 is fixedly connected with the cold water inlet pipe 1, the upper pipe orifice and the hot water outlet pipe 4 of the second spiral pipe 20 are fixedly connected, cold water is introduced into the second spiral pipe 20 and used for heat exchange, the lower side wall of the second cooling tank 9 is fixedly connected with a refrigerant connecting pipe 11, the other end of the refrigerant connecting pipe 11 is fixedly connected with a refrigerant outlet pipe 5, a throttle valve III 12 is fixedly connected onto the refrigerant connecting pipe 11, and the control on the temperature of conveyed refrigerants can be realized through linkage control of the throttle valve II 10 and the throttle valve III 12.

Fixedly connected with choke valve 8 on the branch pipe between first cooling tank 7 and the cold water inlet pipe 1 for the water yield that gets into in the first cooling tank 7 of control, after the temperature of heat medium exceeded the boiling point of water, the steam of production has steam outlet pipe 6 to carry, and the main objective is in the first cooling tank 7 with the temperature of heat medium drop to water boiling point exchange, avoids in second cooling tank 9, produces steam, influences the efficiency of heat exchange, if do not produce steam, the water after being heated can be in steam elimination jar 13 along steam outlet pipe 6 entering.

Fixedly connected with steam branch pipe 17 on steam outlet pipe 6, steam branch pipe 17's the other end extends to steam elimination jar 13, steam branch pipe 17's one end fixedly connected with air bubble stone 21, air bubble stone 21 realizes that the steam bubble is miniaturized, do benefit to the heat dissipation liquefaction, air bubble stone 21 is located steam elimination jar 13's inside, fixedly connected with pneumatic valve 16 on steam outlet pipe 6, pneumatic valve 16 is located between steam branch pipe 17 and the play mouth of pipe of steam outlet pipe 6, pneumatic valve 16 is closed, the whole steam that produces in the first cooling tank 7 gets into in steam elimination jar 13, if pneumatic valve 16 opens, then steam can follow steam outlet pipe 6 and outwards carry out.

The upper portion lateral wall fixedly connected with side pipe 14 of steam elimination jar 13, side pipe 14 is connected with hot water exit tube 4, and steam elimination jar 13 hot water gets into in hot water exit tube 4 with the help of side pipe 14, and fixedly connected with check valve 15 on the side pipe 14 avoids the well water backward flow of hot water exit tube 4 to steam elimination jar 13 in.

The shell 3 is rotatably connected with a box door, a window is arranged on the box door, and a temperature sensor is arranged on the refrigerant outlet pipe 5 and used for measuring the temperature of the refrigerant in the refrigerant outlet pipe 5.

The working principle is as follows: during the use, advance pipe 2 with heat medium and refrigerant exit tube 5 intercommunication hydraulic turbine and go up the cooling chamber, can install the relay pump additional between, the coolant liquid of hydraulic turbine gets into in first cooling tank 7 and the second cooling tank 9 from heat medium advance pipe 2 in proper order to send out from refrigerant exit tube 5, heat medium advances pipe 2 and refrigerant exit tube 5 intercommunication simultaneously, through choke valve two 10, can adjust the refrigerant temperature that refrigerant exit tube 5 sent out, and the water that advances in pipe 1 from cold water is after the heat exchange of both sides, send out from hot water exit tube 4 at last.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a quick cooling protection device of hydraulic turbine group, includes casing (3), its characterized in that: a first cooling tank (7), a second cooling tank (9) and a steam elimination tank (13) are sequentially arranged in the shell (3), a cold water inlet pipe (1) and a heat medium inlet pipe (2) are arranged on one side of the lower portion of the shell (3), a hot water outlet pipe (4) and a refrigerant outlet pipe (5) are arranged on the other side of the lower portion of the shell (3), the heat medium inlet pipe (2) is communicated with the refrigerant outlet pipe (5), and a throttle valve II (10) is arranged between the heat medium inlet pipe and the refrigerant outlet pipe;

the lower ends of the first cooling tank (7) and the steam elimination tank (13) are connected with branch pipes extending from a cold water inlet pipe (1), a first spiral pipe (19) is arranged in the first cooling tank (7), a lower pipe orifice of the first spiral pipe (19) is connected with a heat medium inlet pipe (2), an upper pipe orifice of the first spiral pipe (19) is fixedly connected with a connecting pipe (18), the other end of the connecting pipe (18) is fixedly connected with the upper end of a second cooling tank (9), a steam outlet pipe (6) is fixedly connected with the upper end of the first cooling tank (7), a second spiral pipe (20) is arranged in the second cooling tank (9), a lower pipe orifice of the second spiral pipe (20) is fixedly connected with the cold water inlet pipe (1), an upper pipe orifice of the second spiral pipe (20) is fixedly connected with a hot water outlet pipe (4), a lower side wall of the second cooling tank (9) is fixedly connected with a connecting pipe (11), the other end of the refrigerant connecting pipe (11) is fixedly connected with the refrigerant outlet pipe (5), and a throttle valve III (12) is fixedly connected to the refrigerant connecting pipe (11).

2. The fast cooling protection device for the hydraulic turbine set according to claim 1, characterized in that: and a first throttling valve (8) is fixedly connected to a branch pipe between the first cooling tank (7) and the cold water inlet pipe (1).

3. The fast cooling protection device for the hydraulic turbine set according to claim 1, characterized in that: fixedly connected with steam branch pipe (17) on steam outlet pipe (6), the other end of steam branch pipe (17) extends to steam and eliminates jar (13).

4. The fast cooling protection device for the hydraulic turbine set according to claim 3, characterized in that: one end of the steam branch pipe (17) is fixedly connected with a bubble stone (21), and the bubble stone (21) is positioned in the steam elimination tank (13).

5. The fast cooling protection device for the hydraulic turbine set according to claim 3, characterized in that: an air valve (16) is fixedly connected to the steam outlet pipe (6), and the air valve (16) is positioned between the steam branch pipe (17) and the outlet pipe opening of the steam outlet pipe (6).

6. The fast cooling protection device for the hydraulic turbine set according to claim 1, characterized in that: the upper portion lateral wall fixedly connected with side pipe (14) of steam elimination jar (13), side pipe (14) and hot water exit tube (4) are connected, fixedly connected with check valve (15) on side pipe (14).

7. The fast cooling protection device for the hydraulic turbine set according to claim 1, characterized in that: the shell (3) is rotatably connected with a box door, and the box door is provided with a window.

8. The fast cooling protection device for the hydraulic turbine set according to claim 1, characterized in that: and a temperature sensor is arranged on the refrigerant outlet pipe (5).