CN205876471U - Auxiliary engine cooling system - Google Patents
Auxiliary engine cooling system Download PDFInfo
- Publication number
- CN205876471U CN205876471U CN201620854612.1U CN201620854612U CN205876471U CN 205876471 U CN205876471 U CN 205876471U CN 201620854612 U CN201620854612 U CN 201620854612U CN 205876471 U CN205876471 U CN 205876471U
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- CN
- China
- Prior art keywords
- oil
- pump
- subsidiary engine
- cooling water
- turbine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an auxiliary engine cooling system, auxiliary engine cooling system includes the main oil pump, the oil booster pump, first oily turbine, the oil tank, second oil turbine, a cooling water pump and auxiliary engine cooler, the output shaft of main oil pump and steam turbine, first oily turbine and pressure boost oil pump connection, the oil -out of main oil pump communicates through first oil circuit with the oil inlet of first oily turbine, the oil -out and the steam turbine lubricating system intercommunication of first oily turbine, the oil inlet and the oil tank intercommunication of oil booster pump, the oil -out of oil booster pump passes through second oil circuit intercommunication with the oil inlet of main oil pump, second oil turbine is connected with a cooling water pump, the oil inlet and the first oil circuit intercommunication of second oil turbine, the oil -out and the oil tank intercommunication of second oil turbine, a cooling water pump's delivery port passes through the water intake pipe intercommunication with the water inlet of auxiliary engine cooler. This auxiliary engine cooling system, operational reliability is high, can effectively reduce station service power consumption rate, energy saving.
Description
Technical field
This utility model relates to cooling system technical field, particularly to a kind of subsidiary engine cooling system.
Background technology
Subsidiary engine refers to for assisting the properly functioning mill auxiliaries equipment of main frame.In thermal power plant, subsidiary engine mainly wraps
Include all kinds of blower fan, pumping mechanism, coal pulverizer, cleaning device, lubricating system etc..These subsidiary engines can produce in running in a large number
Heat, it is therefore desirable to utilize subsidiary engine cooling water it is cooled down, with take away subsidiary engine run in due to current vortex loss, friction
The heat that the reasons such as loss produce, makes the temperature of equipment control in the reasonable scope, it is ensured that equipment runs steadily in the long term.And station-service
Electricity rate is one of the main performance assessment criteria in current thermal power plant, directly affects net coal consumption rate.For thermal power plant design
Speech, reducing station service power consumption rate is a vital task, therefore provides a kind of and can reduce the subsidiary engine cooling system of station service power consumption rate particularly
Necessary.
Utility model content
Based on this, this utility model is to overcome the defect of prior art, it is provided that a kind of subsidiary engine cooling system, can effectively drop
Low station service power consumption rate, saves the energy.
Its technical scheme is as follows:
A kind of subsidiary engine cooling system, including main oil pump, pressure oil pump, the first oil impeller, fuel tank, the second oil impeller, first
Cooling water pump and subsidiary engine cooler, described main oil pump is connected with the output shaft of steam turbine, described first oil impeller and pressure oil pump
Connecting, the oil-out of described main oil pump and the oil-in of the first oil impeller pass through the first oil communication, described first oil impeller
Oil-out connects with steam-turbine lubricating system, and the oil-in of described pressure oil pump connects with fuel tank, described pressure oil pump fuel-displaced
Mouth passes through the second oil communication with the oil-in of main oil pump, and described second oil impeller is connected with cooling water pump, described second oil whirlpool
The oil-in of wheel and the first oil communication, the oil-out of described second oil impeller connects with fuel tank, the water outlet of described cooling water pump
Mouth is connected by inlet pipeline with the water inlet of subsidiary engine cooler.
Wherein in an embodiment, described subsidiary engine cooling system also includes the second cooling water pump, described second cooling water
Pump and the first cooling water pump are arranged in parallel.
Wherein in an embodiment, described subsidiary engine cooling system also includes motor, the output shaft of described motor and second
Cooling water pump connects.
Wherein in an embodiment, the water inlet of described cooling water pump passes through return pipe with the outlet of subsidiary engine cooler
Road connects.
Wherein in an embodiment, described subsidiary engine cooler is at least two, the connection between described subsidiary engine cooler
Mode is serial or parallel connection.
Wherein in an embodiment, described pressure oil pump is arranged in fuel tank.
Wherein in an embodiment, described pressure oil pump is vane type centrifugal pump.
This utility model also provides for a kind of subsidiary engine cooling means, comprises the following steps:
The output shaft of steam turbine drives main oil pump to run, and makes the pressure of lubricating oil raise；
Lubricating oil after part boosting drives the first oil impeller, the lubricating oil after another part boosting to drive the second oil whirlpool
Wheel；
Lubricating oil delivers to steam-turbine lubricating system after the first oil impeller blood pressure lowering, and the first oil impeller drives pressure oil pump simultaneously
Suck the lubricating oil in fuel tank and be pumped to main oil pump；
Second oil impeller drives the first cooling water pump to run, and the first cooling water pump is subsidiary engine cooler pumping cooling water.
Further, described subsidiary engine cooling means is further comprising the steps of:
The output shaft of motor drives the second cooling water pump to run, and the second cooling water pump is subsidiary engine cooler pumping cooling water.
Advantage or principle to preceding solution illustrate below:
Above-mentioned subsidiary engine cooling system and method, lubricating oil is boosted by the main oil pump driven by steam turbine output shaft, one
Lubricating oil after decilitre pressure drives the first oil impeller, the first oil impeller to drive pressure oil pump suck the lubricating oil in fuel tank and pump
To main oil pump, provide oil sources for main oil pump.Lubricating oil oil pressure after the first oil impeller declines, it is possible to meet steam-turbine lubrication system
The demand of system charge oil pressure.And the lubricating oil after another part boosting drives the second oil impeller, the second oil impeller drives first cold
But water pump operation, the first cooling water pump is subsidiary engine cooler pumping cooling water.This subsidiary engine cooling system and method, be used in vapour
Partial pressure oil in turbine lubricating system is for supplying water for subsidiary engine cooler, and operational reliability is high, can effectively reduce station service
Rate, saves the energy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the subsidiary engine cooling system described in this utility model embodiment.
Description of reference numerals:
1, main oil pump, 2, pressure oil pump, the 3, first oil impeller, 4, fuel tank, the 5, second oil impeller, the 6, first cooling water pump,
7, subsidiary engine cooler, 8, steam turbine, 9, steam-turbine lubricating system, the 10, second cooling water pump, 11, motor, the 100, first oil circuit,
200, the second oil circuit, 300, inlet pipeline, 400, water return pipeline.
Detailed description of the invention
Below embodiment of the present utility model is described in detail:
As it is shown in figure 1, the subsidiary engine cooling system described in the present embodiment, including main oil pump 1, pressure oil pump the 2, first oil impeller
3, fuel tank the 4, second oil impeller the 5, first cooling water pump 6 and subsidiary engine cooler 7, described main oil pump 1 connects with the output shaft of steam turbine 8
Connecing, described first oil impeller 3 is connected with pressure oil pump 2, and the oil-out of described main oil pump 1 and the oil-in of the first oil impeller 3 lead to
Crossing the first oil circuit 100 to connect, the oil-out of described first oil impeller 3 connects with steam-turbine lubricating system 9, described pressure oil pump 2
Oil-in connect with fuel tank 4, the oil-out of described pressure oil pump 2 and the oil-in of main oil pump 1 are by the second oil circuit 200 even
Logical, described second oil impeller 5 is connected with cooling water pump, and oil-in and first oil circuit 100 of described second oil impeller 5 connect, institute
The oil-out stating the second oil impeller 5 connects with fuel tank 4, and the outlet of described cooling water pump leads to the water inlet of subsidiary engine cooler 7
Cross inlet pipeline 300 to connect.Above-mentioned subsidiary engine cooling system, lubricating oil is by the main oil pump 1 liter driven by steam turbine 8 output shaft
Pressure, the lubricating oil after part boosting drives the first oil impeller 3, the first oil impeller 3 to drive pressure oil pump 2 to suck in fuel tank 4
Lubricating oil is also pumped to main oil pump 1, provides oil sources for main oil pump 1.Lubricating oil oil pressure after the first oil impeller 3 declines, it is possible to
Meet the demand of steam-turbine lubricating system 9 charge oil pressure.And the lubricating oil after another part boosting drives the second oil impeller 5, the
Two oil impellers 5 drive the first cooling water pump 6 to run, and the first cooling water pump 6 is subsidiary engine cooler 7 pumping cooling water.This subsidiary engine is cold
But system, the partial pressure being used in steam-turbine lubricating system 9 is oily for supplying water for subsidiary engine cooler 7, operational reliability
Height, can effectively reduce station service power consumption rate, saves the energy.
In the present embodiment, described subsidiary engine cooling system also includes the second cooling water pump 10, described second cooling water pump 10
It is arranged in parallel with the first cooling water pump 6, to increase cooling water flow, provides enough cooling water for subsidiary engine cooler 7.Preferably
Ground, described subsidiary engine cooling system also includes motor 11, and output shaft and second cooling water pump 10 of described motor 11 connect, and second is cold
But water pump 10 uses motor 11 to provide power, it is ensured that in the case of oil pressure deficiency causes the first cooling water pump 6 to start, auxiliary
Machine cooler 7 remains able to obtain cooling water, it is to avoid subsidiary engine burns out.The water inlet of the cooling water pump described in the present embodiment and subsidiary engine
The outlet of cooler 7 is connected by water return pipeline 400, to reduce water temperature.
Subsidiary engine cooler 7 described in the present embodiment is multiple stage, and the connected mode between described subsidiary engine cooler 7 is in parallel.
Specifically, cooling water respectively enters in the multiple stage subsidiary engine cooler 7 being arranged in parallel, and cools down different subsidiary engines.Can manage
Xie Di, the quantity of subsidiary engine cooler 7 can be one, it is possible to for multiple stage, in this no limit.
Preferably, described pressure oil pump 2 is arranged in fuel tank 4, directly from oil suction in fuel tank 4, simple in construction.Described increasing
Pressure oil pump 2 is vane type centrifugal pump, the advantage with uniform flow, smooth running.
With reference to shown in Fig. 1, the present embodiment also provides for a kind of subsidiary engine cooling means, comprises the following steps:
The output shaft of steam turbine 8 drives main oil pump 1 to run, and makes the pressure of lubricating oil raise；
Lubricating oil after part boosting drives the first oil impeller 3, the lubricating oil after another part boosting to drive the second oil
Turbine 5；
Lubricating oil delivers to steam-turbine lubricating system 9 after the first oil impeller 3 blood pressure lowering, and the first oil impeller 3 drives supercharging simultaneously
Oil pump 2 sucks the lubricating oil in fuel tank 4 and is pumped to main oil pump 1；
Second oil impeller 5 drives the first cooling water pump 6 to run, and the first cooling water pump 6 is subsidiary engine cooler 7 pumping cooling
Water.
Above-mentioned subsidiary engine cooling means, lubricating oil is boosted by the main oil pump 1 driven by steam turbine 8 output shaft, and a part rises
Lubricating oil after pressure drives the first oil impeller 3, the first oil impeller 3 to drive pressure oil pump 2 suck the lubricating oil in fuel tank 4 and pump
To main oil pump 1, provide oil sources for main oil pump 1.Lubricating oil oil pressure after the first oil impeller 3 declines, it is possible to meet steam turbine profit
The demand of sliding system 9 charge oil pressure.And the lubricating oil after another part boosting drives the second oil impeller 5, the second oil impeller 5 drives
First cooling water pump 6 runs, and the first cooling water pump 6 is subsidiary engine cooler 7 pumping cooling water.This subsidiary engine cooling means, will use
Partial pressure oil in steam-turbine lubricating system 9 is for supplying water for subsidiary engine cooler 7, and operational reliability is high, can effectively reduce
Station service power consumption rate, saves the energy.
Further, described subsidiary engine cooling means is further comprising the steps of:
The output shaft of motor 11 drives the second cooling water pump 10 to run, and the second cooling water pump 10 pumps for subsidiary engine cooler 7
Cooling water.
Second cooling water pump 10 uses motor 11 to provide power, it is ensured that cause the first cooling water pump 6 cannot in oil pressure deficiency
In the case of startup, subsidiary engine cooler 7 remains able to obtain cooling water, it is to avoid subsidiary engine burns out.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for the common skill of this area
For art personnel, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into
Protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (7)
1. a subsidiary engine cooling system, it is characterised in that include main oil pump, pressure oil pump, the first oil impeller, fuel tank, the second oil
Turbine, the first cooling water pump and subsidiary engine cooler, described main oil pump is connected with the output shaft of steam turbine, described first oil impeller with
Pressure oil pump connects, and the oil-out of described main oil pump and the oil-in of the first oil impeller pass through the first oil communication, and described first
The oil-out of oil impeller connects with steam-turbine lubricating system, and the oil-in of described pressure oil pump connects with fuel tank, described pressurised oil
The oil-out of pump is connected by the second oil communication, described second oil impeller and the first cooling water pump with the oil-in of main oil pump,
The oil-in of described second oil impeller and the first oil communication, the oil-out of described second oil impeller connects with fuel tank, and described
The outlet of one cooling water pump is connected by inlet pipeline with the water inlet of subsidiary engine cooler.
Subsidiary engine cooling system the most according to claim 1, it is characterised in that also include the second cooling water pump, described second
Cooling water pump and the first cooling water pump are arranged in parallel.
Subsidiary engine cooling system the most according to claim 2, it is characterised in that also include motor, the output shaft of described motor
It is connected with the second cooling water pump.
Subsidiary engine cooling system the most according to claim 1, it is characterised in that the water inlet of described first cooling water pump is with auxiliary
The outlet of machine cooler is connected by water return pipeline.
Subsidiary engine cooling system the most according to claim 1, it is characterised in that described subsidiary engine cooler is at least two, institute
Stating the connected mode between subsidiary engine cooler is serial or parallel connection.
Subsidiary engine cooling system the most according to claim 1, it is characterised in that described pressure oil pump is arranged in fuel tank.
7. according to the subsidiary engine cooling system described in any one of claim 1-6, it is characterised in that described pressure oil pump is vane type
Centrifugal pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620854612.1U CN205876471U (en) | 2016-08-08 | 2016-08-08 | Auxiliary engine cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620854612.1U CN205876471U (en) | 2016-08-08 | 2016-08-08 | Auxiliary engine cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205876471U true CN205876471U (en) | 2017-01-11 |
Family
ID=57702931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620854612.1U Withdrawn - After Issue CN205876471U (en) | 2016-08-08 | 2016-08-08 | Auxiliary engine cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205876471U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246326A (en) * | 2016-08-08 | 2016-12-21 | 中国能源建设集团广东省电力设计研究院有限公司 | Subsidiary engine cooling system and method |
-
2016
- 2016-08-08 CN CN201620854612.1U patent/CN205876471U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246326A (en) * | 2016-08-08 | 2016-12-21 | 中国能源建设集团广东省电力设计研究院有限公司 | Subsidiary engine cooling system and method |
| CN106246326B (en) * | 2016-08-08 | 2018-11-20 | 中国能源建设集团广东省电力设计研究院有限公司 | Subsidiary engine cooling system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170111 Effective date of abandoning: 20181120 |