CN220815766U - Lubricating oil cooler for steam turbine of thermal power plant - Google Patents
Lubricating oil cooler for steam turbine of thermal power plant Download PDFInfo
- Publication number
- CN220815766U CN220815766U CN202322062188.XU CN202322062188U CN220815766U CN 220815766 U CN220815766 U CN 220815766U CN 202322062188 U CN202322062188 U CN 202322062188U CN 220815766 U CN220815766 U CN 220815766U
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- oil cooler
- thermal power
- communicating pipe
- water
- lubricating oil
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000003921 oil Substances 0.000 claims abstract description 45
- 239000008235 industrial water Substances 0.000 claims description 15
- 241000242583 Scyphozoa Species 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract 1
- 239000000498 cooling water Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a turbine lubricating oil cooler of a thermal power plant, and belongs to the technical field of thermal power plant devices; including the cold oily ware body, the top intercommunication of cold oily ware body has the oil inlet, the top of cold oily ware body and the one end intercommunication that keeps away from the oil inlet have the oil-out, the one end intercommunication of cold oily ware body has the water inlet, the one end of cold oily ware body and the one side intercommunication that is located the water inlet have the delivery port, the one end flange joint of water inlet has communicating pipe, the other end and the water pump output flange intercommunication of communicating pipe, one side construction of communicating pipe has the water changing subassembly, the bottom of cold oily ware body evenly is fixed with two supports. The water changing assembly is arranged, so that energy loss of the thermal power plant is reduced, and economic benefit of the thermal power plant is improved.
Description
Technical Field
The utility model relates to the technical field of thermal power plant devices, in particular to a turbine lubricating oil cooler of a thermal power plant.
Background
The steam turbine is also called a steam turbine engine, and is a rotary steam power device, high-temperature and high-pressure steam passes through a fixed nozzle to become accelerated airflow and then is sprayed onto blades, so that a rotor provided with a blade row rotates and simultaneously does work outwards; steam turbines are the main equipment of modern thermal power plants and are also used in metallurgical industry, chemical industry and ship power plants.
In the prior art, the lubricating oil of a turbine of a certain thermal power plant is cooled by open circulating water, and a water source is from the circulating water; when the unit is stopped, at least one circulating water pump must be kept running, and the circulating water system is maintained to operate so as to provide a water source for open circulating cooling water; and maintaining the operation of an open cooling water pump, and maintaining the operation of the open circulating water to enable the turbine lubricating oil cooler to be filled with cooling water so as to control the temperature of turbine lubricating oil not to exceed the limit, thereby protecting the safety of turbine equipment, and under the original design working condition, after the machine set is stopped, the turbine lubricating oil cooling water is provided by maintaining the operation of the open water pump with the shaft power of 1275kW and the open water pump with the power of 215kW for a week, and the turbine can be stopped when the temperature of the turbine cylinder is reduced and the temperature of the lubricating oil is not increased. Calculating the current of the actual running motor, wherein the current is about 4.5 ten thousand degrees per day, and the current is 31.5 ten thousand degrees per week; according to the calculation of 0.9 yuan/kWh of the online electricity price, the production cost is increased by 28.35 ten thousand yuan, after the unit is stopped, the high-power circulating water pump and the open water pump operate, and the high-power circulating water pump is only used as turbine lubricating oil cooling water, consumes more power in factories and has high cost performance and low cost performance, so that the application provides the turbine lubricating oil cooler for the thermal power plant to meet the demands.
Disclosure of utility model
The utility model aims to solve the technical problem of high cost and low cost performance of the traditional lubricating oil cooler of a steam turbine of a thermal power plant.
In order to solve the technical problems, the utility model provides the following technical scheme:
A turbine lubricating oil cooler for a thermal power plant, comprising: the oil cooler comprises an oil cooler body, wherein an oil inlet is communicated with the top of the oil cooler body, an oil outlet is communicated with one end, far away from the oil inlet, of the top of the oil cooler body, a water inlet is communicated with one end of the oil cooler body, a water outlet is communicated with one side, located at the water inlet, of the oil cooler body, a communicating pipe is connected with one end flange of the water inlet, the other end of the communicating pipe is communicated with an output end flange of a water pump, a water changing assembly is constructed on one side of the communicating pipe, and two brackets are uniformly fixed at the bottom of the oil cooler body;
The water changing assembly comprises an industrial water communicating pipe communicated with one side of the communicating pipe, the industrial water communicating pipe is communicated with an industrial jellyfish pipe flange, and a three-way valve is constructed at the communicating position of the communicating pipe and the industrial water communicating pipe.
Preferably, a movable plate is arranged between the two brackets, and a plurality of universal wheels are uniformly arranged at the bottom of the movable plate.
Preferably, the two ends of the support, which are close to each other, are provided with limiting rails, and the two ends of the movable plate are slidably connected with the two limiting rails.
Preferably, the internal thread of two the support is connected with fixing screw, both ends of the movable plate are respectively provided with a clamping hole matched with the knob, and one end of each fixing screw is respectively fixed with the knob.
Preferably, a fixed plate is welded between the two brackets together, the bottom of the fixed plate is rotationally connected with a threaded sleeve, an adjusting screw is connected with the internal threads of the threaded sleeve, and the bottom of the adjusting screw is fixedly connected with the top of the movable plate.
Preferably, the bottom of the fixed plate is rotationally connected with a worm, the outer surface of the threaded sleeve is fixedly connected with a worm wheel, and the worm wheel is meshed with the worm.
Preferably, one end of the worm is fixedly connected with a handle.
Compared with the prior art, the utility model has at least the following beneficial effects:
Through controlling the three-way valve and thereby make industry water communicating pipe and water inlet intercommunication realize cooling the waste heat of lubricating oil with industry water drain to the inside oil cooler body, it is worth mentioning, because of the unit stops the back heat less, through experimental demonstration, industry water provides the cooling capacity and can satisfy the lubricating oil cooling needs completely, thereby can reduce the energy loss of operation circulating water pump and open water pump by a wide margin, be convenient for alleviate the energy loss of thermal power plant through being provided with the water changing assembly, improve the economic benefits of thermal power plant.
Can carry out better transmission through being provided with worm and worm wheel, have certain differential reducible required pressure of rotating the worm between worm and the worm wheel simultaneously, and then have certain self-locking force between it, can effectively block the screw sleeve and reverse, can realize the lift to the fly leaf through being provided with screw sleeve and adjusting screw, thereby control the universal wheel contact ground when need remove the cold oily ware body, rely on the support to support when need not removing the cold oily ware body, through being provided with knob convenient to use operation, be provided with fixing screw simultaneously and card hole and be convenient for fix the fly leaf.
Drawings
The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the disclosure and to enable a person skilled in the pertinent art to make and use the disclosure.
FIG. 1 is a schematic view of a first perspective structure of a turbine lubricating oil cooler of a thermal power plant;
FIG. 2 is a second perspective view of a turbine lubricating oil cooler of a thermal power plant;
FIG. 3 is a schematic perspective view of an industrial water connection pipe in a turbine lubricating oil cooler of a thermal power plant;
FIG. 4 is a schematic structural view of the connection between the fixed plate and the movable plate in the turbine lubricating oil cooler of the thermal power plant;
FIG. 5 is a schematic view of a three-dimensional enlarged structure of the connection of the limit rail and the movable plate;
FIG. 6 is a schematic diagram of the communication relationship between the main body of the cooler and each pipeline in the turbine lubricating oil cooler of the thermal power plant.
[ Reference numerals ]
100. An oil cooler body; 101. an oil inlet; 102. an oil outlet; 103. a water inlet; 104. a water outlet; 200. a communicating pipe; 201. industrial water communication pipe; 202. a three-way valve; 300. a bracket; 301. a movable plate; 302. a universal wheel; 303. a limit rail; 304. a fixed screw; 305. a knob; 400. a fixing plate; 401. a threaded sleeve; 402. a worm wheel; 403. a worm; 404. a handle; 405. and adjusting the screw.
While particular structures and devices are shown in the drawings to enable a clear implementation of embodiments of the utility model, this is for illustrative purposes only and is not intended to limit the utility model to the particular structures, devices and environments, which may be modified or adapted by those of ordinary skill in the art, as desired, and which remain within the scope of the appended claims.
Detailed Description
The utility model provides a turbine lubricating oil cooler of a thermal power plant, which is described in detail below with reference to the accompanying drawings and specific embodiments. While the utility model has been described herein in terms of the preferred and preferred embodiments, the following embodiments are intended to be more illustrative, and may be implemented in many alternative ways as will occur to those of skill in the art; and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the utility model specifically.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.
It will be understood that the meanings of "on … …", "on … …" and "over … …" in this disclosure should be interpreted in the broadest sense so that "on … …" means not only "directly on" something but also includes the meaning of "on" something with intervening features or layers therebetween, and "on … …" or "over … …" means not only "on" or "over" something, but also may include its meaning of "on" or "over" something without intervening features or layers therebetween.
Furthermore, spatially relative terms such as "under …," "under …," "lower," "above …," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.
As shown in fig. 1, 2 and 3, an embodiment of the present utility model provides a turbine lubricating oil cooler for a thermal power plant, comprising an oil cooler body 100, an oil inlet 101 is communicated with the top of the oil cooler body 100, an oil outlet 102 is communicated with one end of the oil cooler body 100 far away from the oil inlet 101, a water inlet 103 is communicated with one end of the oil cooler body 100, a water outlet 104 is communicated with one side of the water inlet 103, a communicating pipe 200 is connected with one end flange of the water inlet 103, the other end of the communicating pipe 200 is communicated with a water pump output end flange, a water changing assembly is constructed with one side of the communicating pipe 200, two brackets 300 are uniformly fixed at the bottom of the oil cooler body 100, the water changing assembly comprises an industrial water communicating pipe 201 communicated with one side of the communicating pipe 200, the industrial water communicating pipe 201 is communicated with an industrial water pipe flange, a three-way valve 202 is constructed at the communicating position of the communicating pipe 200 and the industrial water communicating pipe 201, through entering lubricating oil from the oil inlet 101 and flowing through the oil cooler body 100 and discharging the lubricating oil from the oil outlet 102, at the moment, through communicating the communicating pipe 200 with the water inlet 103, the three-way valve 202 is controlled to enable the water inlet 103 to be communicated with the communicating pipe 200 so as to drive cooling water to enter the oil cooler body 100 by using a water pump to cool the lubricating oil, after the process keeps running for one day and the time is gradually reduced in the oil tank, the three-way valve 202 is controlled to enable the industrial water communicating pipe 201 to be communicated with the water inlet 103 so as to discharge industrial water into the oil cooler body 100 to cool the residual heat of the lubricating oil, and the experiment proves that the cooling capacity of the industrial water can completely meet the requirement of lubricating oil cooling because of less heat after the unit is stopped, so that the energy loss of the running circulating water pump and the open water pump can be greatly reduced, the water changing assembly is arranged, so that energy loss of the thermal power plant is reduced, and economic benefit of the thermal power plant is improved.
As shown in fig. 1, 2, 4 and 6, a movable plate 301 is disposed between two brackets 300, and a plurality of universal wheels 302 are uniformly installed at the bottom of the movable plate 301, so that the oil cooler body 100 can be conveniently moved by the movable plate 301 and the universal wheels 302, thereby improving its flexibility.
As shown in fig. 2 and fig. 5, the two brackets 300 are provided with a limit rail 303 at one end close to each other, and two ends of the movable plate 301 are slidably connected with the two limit rails 303, so that the movable plate 301 is conveniently lifted and lowered by the limit rails 303, and the moving stability is improved.
As shown in fig. 2 and fig. 5, the internal threads of two brackets 300 are connected with fixing screws 304, two ends of a movable plate 301 are respectively provided with a clamping hole matched with a knob 305, one ends of two fixing screws 304 are respectively provided with a knob 305, the fixing screws 304 are driven to rotate by rotating the knobs 305, the fixing screws 304 are in threaded connection with the brackets 300 through the fixing screws 304, the fixing screws 304 are driven to be close to the movable plate 301 when the knobs 305 rotate so as to enable the fixing screws to enter the clamping holes to be fixed, and the knob 305 is provided for a user to operate conveniently, and meanwhile, the fixing screws 304 and the clamping holes are provided for fixing the movable plate 301 conveniently.
As shown in fig. 1, 2 and 4, a fixed plate 400 is welded between two brackets 300, the bottom of the fixed plate 400 is rotationally connected with a threaded sleeve 401, the internal thread of the threaded sleeve 401 is connected with an adjusting screw 405, the bottom of the adjusting screw 405 is fixedly connected with the top of a movable plate 301, the adjusting screw 405 is driven to lift in the threaded sleeve 401 by rotating the threaded sleeve 401, so that the movable plate 301 is driven to lift to push a plurality of universal wheels 302 to contact or keep away from the ground, lifting of the movable plate 301 can be realized by arranging the threaded sleeve 401 and the adjusting screw 405, so that the universal wheels 302 are controlled to contact the ground when the oil cooler body 100 needs to be moved, and the oil cooler body 100 does not need to be moved and is supported by the brackets 300.
As shown in fig. 1, fig. 2 and fig. 4, the bottom of the fixing plate 400 is rotatably connected with a worm 403, the outer surface of the threaded sleeve 401 is fixedly connected with a worm wheel 402, the worm wheel 402 is meshed with the worm 403, the worm 403 is rotated to drive the worm wheel 402 to rotate so as to drive the threaded sleeve 401 to rotate, the worm 403 and the worm wheel 402 are arranged to better drive the threaded sleeve 401, meanwhile, a certain differential speed is arranged between the worm 403 and the worm wheel 402 to reduce the pressure required by rotating the worm 403, and a certain self-locking force is arranged between the worm 403 and the worm wheel 402 to effectively prevent the threaded sleeve 401 from reversing.
As shown in fig. 1, 2 and 4, one end of the worm 403 is fixedly connected with a handle 404, the worm 403 is driven to rotate by the handle 404, and the handle 404 is arranged to facilitate the setting operation.
According to the technical scheme provided by the utility model, the worm 403 and the worm wheel 402 are arranged to better drive the threaded sleeve 401, meanwhile, a certain differential speed is arranged between the worm 403 and the worm wheel 402 to reduce the pressure required for rotating the worm 403, and a certain self-locking force is arranged between the worm 403 and the worm wheel 402 to effectively prevent the threaded sleeve 401 from reversing, and the threaded sleeve 401 and the adjusting screw 405 are arranged to realize lifting of the movable plate 301, so that the universal wheel 302 is controlled to contact the ground when the oil cooler body 100 is required to be moved, the support 300 is used for supporting when the oil cooler body 100 is not required to be moved, the operation of a user is facilitated through the knob 305, and the fixing screw 304 and the clamping hole are arranged to facilitate the fixing of the movable plate 301.
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.
Claims (7)
1. A turbine lubricating oil cooler for a thermal power plant, comprising: the oil cooler comprises an oil cooler body, wherein an oil inlet is communicated with the top of the oil cooler body, an oil outlet is communicated with one end, far away from the oil inlet, of the top of the oil cooler body, a water inlet is communicated with one end of the oil cooler body, a water outlet is communicated with one side, located at the water inlet, of the oil cooler body, a communicating pipe is connected with one end flange of the water inlet, the other end of the communicating pipe is communicated with an output end flange of a water pump, a water changing assembly is constructed on one side of the communicating pipe, and two brackets are uniformly fixed at the bottom of the oil cooler body;
The water changing assembly comprises an industrial water communicating pipe communicated with one side of the communicating pipe, the industrial water communicating pipe is communicated with an industrial jellyfish pipe flange, and a three-way valve is constructed at the communicating position of the communicating pipe and the industrial water communicating pipe.
2. The lubricating oil cooler for steam turbines of thermal power plants according to claim 1, wherein a movable plate is arranged between the two brackets, and a plurality of universal wheels are uniformly arranged at the bottom of the movable plate.
3. The lubricating oil cooler for steam turbines of thermal power plants according to claim 2, wherein the two brackets are provided with limiting rails at one ends close to each other, and the two ends of the movable plate are slidably connected with the two limiting rails.
4. The lubricating oil cooler for steam turbines of thermal power plants according to claim 3, wherein the internal threads of the two brackets are connected with fixing screws, clamping holes matched with the knobs are formed in two ends of the movable plate, and the knobs are fixed at one ends of the two fixing screws.
5. The lubricating oil cooler for steam turbines of thermal power plants according to claim 2, wherein a fixed plate is welded between the two brackets together, the bottom of the fixed plate is rotationally connected with a threaded sleeve, the internal thread of the threaded sleeve is connected with an adjusting screw, and the bottom of the adjusting screw is fixedly connected with the top of the movable plate.
6. The turbine lubricating oil cooler of a thermal power plant according to claim 5, wherein the bottom of the fixing plate is rotatably connected with a worm, the outer surface of the threaded sleeve is fixedly connected with a worm wheel, and the worm wheel is meshed with the worm.
7. The turbine lubricating oil cooler of claim 6, wherein one end of the worm is fixedly connected with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322062188.XU CN220815766U (en) | 2023-07-31 | 2023-07-31 | Lubricating oil cooler for steam turbine of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322062188.XU CN220815766U (en) | 2023-07-31 | 2023-07-31 | Lubricating oil cooler for steam turbine of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220815766U true CN220815766U (en) | 2024-04-19 |
Family
ID=90713084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322062188.XU Active CN220815766U (en) | 2023-07-31 | 2023-07-31 | Lubricating oil cooler for steam turbine of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220815766U (en) |
-
2023
- 2023-07-31 CN CN202322062188.XU patent/CN220815766U/en active Active
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