CN216480176U - Circulating cooling device for lubricating oil station of thermal power plant - Google Patents
Circulating cooling device for lubricating oil station of thermal power plant Download PDFInfo
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- CN216480176U CN216480176U CN202122628567.1U CN202122628567U CN216480176U CN 216480176 U CN216480176 U CN 216480176U CN 202122628567 U CN202122628567 U CN 202122628567U CN 216480176 U CN216480176 U CN 216480176U
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- lubricating oil
- cooling
- oil station
- air guide
- thermal power
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Abstract
The utility model provides a circulating cooling device for a lubricating oil station of a thermal power plant. The cooling box comprises a lubricating oil station oil tank and a cooling box arranged on the outer layer of the lubricating oil station, wherein a through hole for a lubricating oil pipeline of the lubricating oil station oil tank to enter and exit is formed in the cooling box, an air guide channel connected with the cooling box is arranged on the cooling box, the input end of the air guide channel is connected with a rotary fan, a cooling water pipe is wound on the inner wall of the cooling box, the cooling water pipe is connected with a fin heat exchanger, and the fin heat exchanger is arranged outside a box body. According to the utility model, through two schemes of water cooling and air cooling, the cooling operation of the lubricating oil station under different conditions can be effectively coped with, meanwhile, the air guide pipe comprises the main pipeline and the branch pipeline, the main pipeline can guarantee the cooling operation in normal operation, and the branch pipeline can guarantee the slow reduction of the temperature in the cooling box, so that the rapid reduction of the temperature is avoided.
Description
Technical Field
The utility model relates to the technical field of lubricating oil stations of thermal power plants, in particular to a circulating cooling device for a lubricating oil station of a thermal power plant.
Background
Rotating equipment such as thermal power plant's fan is furnished with the lubricating oil system, and lubricating oil is furnished with cooling system, and when summer high temperature or under the cooler overhauls the condition, the lubricating oil temperature can't reach the cooling effect, influences rotating equipment normal operating. In order to ensure the normal operation of the steam turbine, the exhaust steam and the lubricating oil of the steam turbine need to be cooled during the operation of the steam turbine.
A201620918466.4 high-low pressure lubricating oil station self-circulation cooling system is suitable for equipment such as metallurgy, mine and cement machinery, and lubricating oil enters a self-circulation system plate cooler for cooling through the suction of a self-circulation system motor.
Application number is 202020304279.3's a portable lubricating oil pipe emergency cooling device that thermal power plant used, cools off through the semiconductor refrigeration piece, and the refrigeration heats the time very fast, and under the unloaded condition of good cold junction of hot junction heat dissipation, the circular telegram is not for one minute, and the refrigeration piece just can reach the maximum difference in temperature.
Although the lubricating oil can be cooled through the oil cooler in the operation process, other equipment of the lubricating oil station cannot be cooled well, particularly a pump body is prone to overheating, and mechanical seals and other parts in the equipment are burnt out.
SUMMERY OF THE UTILITY MODEL
According to the technical problem, the circulating cooling device for the lubricating oil station of the thermal power plant is provided. The technical means adopted by the utility model are as follows:
the utility model provides a thermal power factory lubricating oil station is with circulation heat sink, includes lubricating oil station oil tank and sets up at the outer cooler bin in lubricating oil station, set up the through-hole that supplies the lubricating oil pipeline business turn over of lubricating oil station oil tank on the cooler bin, be equipped with the wind-guiding way that links to each other rather than on the cooler bin, the input in wind-guiding way links to each other with the rotation fan, the inner wall winding of cooler bin has condenser tube, and condenser tube is connected with fin heat exchanger, fin heat exchanger sets up in the outside of box.
Furthermore, the air guide channel comprises a first air guide channel and a second air guide channel, the first air guide channel is used as a main pipe, the second air guide channel is used as a branch pipe, and a heat preservation device is arranged on the second air guide channel.
Furthermore, a manhole door is arranged on the cooling box.
Furthermore, heat insulation cotton is filled at a through hole for the inlet and outlet of a lubricating oil pipeline of an oil tank of a lubricating oil station.
According to the utility model, through two schemes of water cooling and air cooling, the cooling operation of each device on the lubricating oil station under different conditions can be effectively coped with, meanwhile, the air guide pipe comprises a main pipeline and a branch pipeline, the main pipeline can guarantee the cooling operation in normal operation, and the branch pipeline can guarantee the slow reduction of the temperature in the cooling box, so that the rapid reduction of the temperature is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a system diagram of the present invention.
In the figure: 11. a first air guide duct; 12. a second air guide duct; 13. a heat preservation device; 14. rotating the fan; 21. an oil tank; 22. a cooling tank; 31. a cooling water pipe; 32. a finned heat exchanger; 33. fin heat exchange fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the embodiment of the utility model discloses a circulating cooling device for a lubricating oil station of a thermal power plant, which comprises a lubricating oil station oil tank 21 and a cooling tank 22 arranged on the outer layer of the lubricating oil station, wherein a main oil tank is a cylindrical horizontal oil tank and is formed by rolling and welding steel plates. And the front end of the steam turbine generator unit is arranged on the zero-meter ground of the factory building. The oil pump comprises a main oil pump, a direct-current oil pump and an alternating-current oil pump. The oil temperature of a traditional lubricating oil station needs to be regulated through an oil cooler, the oil circulates in a tube bundle in an oil cooler shell, cooling water is introduced into the tube, and the oil cooler is generally a wave plate heat exchanger. Therefore, in this embodiment, a through hole for a lubricating oil pipeline of an oil tank of a lubricating oil station to enter and exit is formed in the cooling box, an air guide channel connected with the cooling box is formed in the cooling box, the input end of the air guide channel is connected with the rotating fan 14, a cooling water pipe is wound on the inner wall of the cooling box, the cooling water pipe 31 is connected with a fin heat exchanger 32, and the fin heat exchanger is arranged outside the box body and connected with the fin heat exchange fan. The lubricating oil station in the embodiment is a conventional lubricating oil station and comprises an oil pump, a filter, a pressure gauge, a thermometer, an oil level indicator, a one-way valve, an overflow valve and other structures, in an optional embodiment, a heater is further arranged, the outdoor temperature of a northern generator plant is low, the temperature of an oil tank can be guaranteed to be above 20 ℃ by arranging the heater, the viscosity of lubricating oil is reduced, and therefore, a stirring device is added into the heater to guarantee the flowability of the lubricating oil. The top of cooling tank one side still installs the exhaust hole, rotate the fan and connect the air outside the factory.
The air guide channel comprises a first air guide channel 11 and a second air guide channel 12, the first air guide channel is used as a main pipe, the second air guide channel is used as a branch pipe, and a heat preservation device 13 is arranged on the second air guide channel. As a preferred embodiment, a temperature sensor may be further installed inside the cooling box to monitor the temperature condition inside the cooling box in real time, a plurality of sets of electromagnetic valves are arranged on the first air guide duct and the second air guide duct, and air at different temperatures is blown into the cooling box by controlling the on-off of the electromagnetic valves.
In order to facilitate maintenance, the cooling box is provided with a manhole door, and meanwhile, the inspection of operators is facilitated.
And heat insulation cotton is filled at a through hole for the inlet and outlet of a lubricating oil pipeline of an oil tank of a lubricating oil station.
In other optional embodiments, refrigeration equipment can be additionally arranged at the inlet of the rotary fan, and the air outlet of the cooling box can be connected to a pipeline of the refrigeration equipment by the arrangement, so that internal circulation is completed, and the utilization rate of resources is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The utility model provides a thermal power factory lubricating oil station is with circulation heat sink, its characterized in that, includes lubricating oil station oil tank and sets up at the outer cooler bin in lubricating oil station, set up the through-hole that supplies the lubricating oil pipeline business turn over of lubricating oil station oil tank on the cooler bin, be equipped with the wind-guiding way that links to each other rather than on the cooler bin, the input in wind-guiding way links to each other with the rotation fan, the inner wall winding of cooler bin has condenser tube, and condenser tube is connected with fin heat exchanger, fin heat exchanger sets up in the outside of box.
2. The circulating cooling device for the lubricating oil station of the thermal power plant as claimed in claim 1, wherein the air guide duct comprises a first air guide duct and a second air guide duct, the first air guide duct is used as a main duct, the second air guide duct is used as a branch duct, and a heat insulation device is arranged on the second air guide duct.
3. The circulating cooling device for the lubricating oil station of the thermal power plant according to claim 1, wherein the cooling box is provided with a manhole door.
4. The circulating cooling device for the lubricating oil station of the thermal power plant as claimed in claim 1 or 2, wherein heat insulation cotton is filled at a through hole for the lubricating oil pipeline of the oil tank of the lubricating oil station to enter and exit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122628567.1U CN216480176U (en) | 2021-10-29 | 2021-10-29 | Circulating cooling device for lubricating oil station of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122628567.1U CN216480176U (en) | 2021-10-29 | 2021-10-29 | Circulating cooling device for lubricating oil station of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216480176U true CN216480176U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122628567.1U Active CN216480176U (en) | 2021-10-29 | 2021-10-29 | Circulating cooling device for lubricating oil station of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216480176U (en) |
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2021
- 2021-10-29 CN CN202122628567.1U patent/CN216480176U/en active Active
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