CN210289853U

CN210289853U - Exhaust cooling device of steam turbine

Info

Publication number: CN210289853U
Application number: CN201920732973.2U
Authority: CN
Inventors: 常曙光; 渠海峰; 秦建州
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-04-10
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a turbine exhaust cooling device, which comprises a shell, one side of the shell is fixedly connected with a water storage tank, one end of the shell far away from the water storage tank is provided with a pipe body, an exhaust pipeline is arranged in the pipe body, one side of the water storage tank opposite to the pipe body is fixedly connected with a water outlet pipe, a gate valve is fixedly connected on the water outlet pipe, a prepared condensing agent is placed in the water storage tank, the water cooling device is different from conventional water cooling and is sprayed on the surface layer of the exhaust pipeline to gasify heat energy on the exhaust pipeline, the cooling speed of the condensing agent is high, the condensing agent can be converted into mist by being provided with an atomizing nozzle, the mist can be uniformly sprayed and stored for a long time, the cooling cost is saved, the switch of the water cooling device is controlled by being provided with the gate valve and a water suction pump, the atomizing, the cooling efficiency is fast, the regulation is convenient, the cooling cost is low, the high characteristics of practicality.

Description

Exhaust cooling device of steam turbine

Technical Field

The utility model relates to a heat sink, in particular to turbine exhaust duct is structure technical field for the cooling.

Background

The steam turbine also calls steam turbine engine, it is a rotation type steam power device, high temperature high pressure steam passes fixed nozzle and becomes the air current with higher speed after the spraying to the blade, the rotor that the messenger was equipped with the blade row is rotatory, do work to outside simultaneously, the steam turbine uses for a long time, its exhaust pipeline easily receives the high temperature, reduce its life, most steam turbine is too lagged behind now, do not possess the cooling function, also there is the cooling through the water spray, but the water cooling is too slow, efficiency is not high, waste a large amount of water resources simultaneously, the too high scheduling problem of cooling cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a steam turbine exhaust heat sink through being equipped with effectual solutions such as storage water tank, suction pump, shunt tubes, raceway and atomizer that most steam turbines are too lagged nowadays to possess the cooling function, also have and cool down through the water spray, but the water-cooling is too slow, and efficiency is not high, extravagant a large amount of water resources simultaneously, the too high scheduling problem of cooling cost.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a steam turbine exhaust heat sink, which comprises a housin, one side fixedly connected with storage water tank of casing, the one end that the storage water tank was kept away from to the casing is equipped with the body, be equipped with exhaust duct in the body, fixedly connected with gate valve on one side fixedly connected with outlet pipe and the outlet pipe of the relative body of storage water tank, the one end pipe connection that the storage water tank was kept away from to the gate valve has the suction pump and is located the casing, the one end pipe connection that the gate valve was kept away from to the suction pump has the shunt tubes, the equal fixedly connected with raceway in both ends that the shunt tubes kept away from mutually, one side of the relative exhaust duct of raceway.

As an optimal technical scheme of the utility model, the casing includes the interlayer, the interlayer is seted up at the inside avris of casing, the casing is inside to be the maneuvering zone.

As an optimized technical scheme of the utility model, atomizer includes the orifice, the orifice is seted up a plurality of and is located one side of the relative exhaust duct of atomizer, one side that atomizer kept away from the orifice is equipped with the screw thread post.

As a preferred technical scheme of the utility model, suction pump, shunt tubes and raceway are all installed in the interlayer of casing, the prepared condensing agent has been placed in the storage water tank, exhaust duct keeps away from the one end of storage water tank and has seted up the gas vent, the one end fixed connection of the relative storage water tank of exhaust duct is on the exhaust end of steam turbine.

As a preferred technical scheme of the utility model, threaded groove has been seted up with atomizer junction to the raceway, atomizer passes through screw thread post threaded connection on the threaded groove of raceway.

The utility model discloses the beneficial effect who reaches is:

the steam turbine exhaust cooling device is different from conventional water cooling by placing the prepared condensing agent in the water storage tank, and the prepared condensing agent is sprayed on the surface layer of the exhaust pipeline to gasify heat energy on the exhaust pipeline, so that the cooling speed of the condensing agent is high.

This steam turbine exhaust heat sink through being equipped with atomizer, can change the condensing agent into vaporific, makes it erupt evenly, can persist for a long time, saves the cooling cost.

This steam turbine exhaust heat sink through being equipped with door valve and suction pump, controls its switch, can be according to the difference of steam turbine exhaust duct's temperature, can open at any time and close atomizer and make steam turbine exhaust duct keep the preferred temperature.

The integral structure is reasonable, the cooling efficiency is high, the regulation is convenient, the cooling cost is low, and the practicability is high.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic plan view of the present invention;

fig. 2 is a schematic perspective view of the atomizing nozzle of the present invention.

In the figure: 1. a housing; 2. a water storage tank; 3. a gate valve; 4. a water pump; 5. a shunt tube; 6. a water delivery pipe; 7. an atomizing spray head; 8. a pipe body; 9. an exhaust duct; 11. an interlayer; 12. a mobility zone; 71. spraying a hole; 72. a threaded post.

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.

Example (b): as shown in fig. 1-2, a turbine exhaust cooling device, including casing 1, one side fixedly connected with storage water tank 2 of casing 1, the one end that storage water tank 2 was kept away from to casing 1 is equipped with body 8, be equipped with exhaust duct 9 in the body 8, fixedly connected with gate valve 3 on one side fixedly connected with outlet pipe and the outlet pipe of storage water tank 2 relatively, the one end pipe connection that storage water tank 2 was kept away from to gate valve 3 has suction pump 4 and is located casing 1, the one end pipe connection that gate valve 3 was kept away from to suction pump 4 has shunt tubes 5, the equal fixedly connected with raceway 6 in both ends that shunt tubes 5 kept away from mutually, one side of the relative exhaust duct 9 of raceway 6 is connected with a plurality of atomizer 7 and is located.

Casing 1 includes interlayer 11, interlayer 11 is seted up at the inside avris of casing 1, casing 1 is inside to be mobile district 12, atomizer 7 includes orifice 71, orifice 71 has seted up a plurality of and is located one side of the relative exhaust duct 9 of atomizer 7, one side that atomizer 7 kept away from orifice 71 is equipped with screw thread post 72, suction pump 4, shunt tubes 5 and raceway 6 are all installed in interlayer 11 of casing 1, placed the prepared condensing agent in storage water tank 2, exhaust duct 9 keeps away from the one end of storage water tank 2 and has seted up the gas vent, the one end fixed connection of the relative storage water tank 2 of exhaust duct 9 is on the exhaust end of steam turbine, the thread groove has been seted up with atomizer 7 junction to raceway 6, atomizer 7 passes through screw thread post 72 threaded connection on the thread groove of raceway 6.

Specifically, when the exhaust duct 9 of the steam turbine is used for a long time, the exhaust duct 9 is easy to generate a large amount of heat, the damage is caused to the exhaust duct 9, and the service life of the exhaust duct is shortened, when the steam turbine is used, the prepared condensing agent is placed into the water storage tank 2, the gate valve 3 is opened, the condensing agent in the water storage tank 2 is extracted by operating the water suction pump 4 and is conveyed into the shunt pipe 5, the condensing agent is conveyed into the end from the water conveying pipe 6 to the pipe body 8 through the shunt pipe 5, the condensing agent is converted into mist through the plurality of atomizing nozzles 7, the mist is sprayed on the surface layer of the exhaust duct 9 through the spray holes 71 on the atomizing nozzles 7, the condensing agent has good cooling effect, the exhaust duct 9 is cooled, the exhaust duct 9 is rapidly cooled, the heat is gasified, the condensing agent is sprayed at each time, too much is not needed, after the exhaust duct 9 is cooled, the water, the water suction pump 4, the flow dividing pipe 5 and the water delivery pipe 6 are all installed in the interlayer 11 of the shell 1, the operation of other equipment of the steam turbine is not influenced, the atomizing nozzle 7 is in threaded connection with the water delivery pipe 6, the atomizing nozzle can be disassembled for replacement and maintenance in the later period, the distance between the atomizing nozzle 7 and the exhaust pipeline 9 cannot be too compact, and when the atomizing nozzles 7 on two sides of the exhaust pipeline 9 are required to spray condensing agents, the surface area of the exhaust pipeline 9 sprayed by the atomizing nozzles is half.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steam turbine exhaust heat sink which characterized in that: including casing (1), one side fixedly connected with storage water tank (2) of casing (1), the one end that storage water tank (2) were kept away from in casing (1) is equipped with body (8), be equipped with exhaust duct (9) in body (8), fixedly connected with gate valve (3) on one side fixedly connected with outlet pipe and the outlet pipe of storage water tank (2) relative body (8), the one end pipe connection that storage water tank (2) were kept away from in gate valve (3) has suction pump (4) and is located casing (1), the one end pipe connection that gate valve (3) were kept away from in suction pump (4) has shunt tubes (5), the equal fixedly connected with raceway (6) in both ends that shunt tubes (5) were kept away from mutually, one side of raceway (6) relative exhaust duct (9) is connected with a plurality of atomizer (7) and is located body (8).

2. The turbine exhaust gas cooling device according to claim 1, wherein: casing (1) includes interlayer (11), interlayer (11) are seted up at the inside avris of casing (1), casing (1) is inside to be maneuvering zone (12).

3. The turbine exhaust gas cooling device according to claim 1, wherein: atomizer (7) include orifice (71), orifice (71) are seted up a plurality of and are located atomizer (7) one side relative exhaust duct (9), one side that atomizer (7) kept away from orifice (71) is equipped with screw thread post (72).

4. The turbine exhaust gas cooling device according to claim 1, wherein: suction pump (4), shunt tubes (5) and raceway (6) are all installed in interlayer (11) of casing (1), placed the condensing agent of allotting in storage water tank (2), the gas vent has been seted up to the one end that storage water tank (2) were kept away from in exhaust duct (9), the one end fixed connection of the relative storage water tank (2) of exhaust duct (9) is on the exhaust end of steam turbine.

5. The turbine exhaust gas cooling device according to claim 1, wherein: the connection part of the water pipe (6) and the atomizing spray head (7) is provided with a thread groove, and the atomizing spray head (7) is in threaded connection with the thread groove of the water pipe (6) through a thread column (72).