CN105822485A - Bearing bush cooling system of small water turbine - Google Patents
Bearing bush cooling system of small water turbine Download PDFInfo
- Publication number
- CN105822485A CN105822485A CN201610306283.1A CN201610306283A CN105822485A CN 105822485 A CN105822485 A CN 105822485A CN 201610306283 A CN201610306283 A CN 201610306283A CN 105822485 A CN105822485 A CN 105822485A
- Authority
- CN
- China
- Prior art keywords
- oil
- cooling
- pipe
- bearing shell
- cooling system
- 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.)
- Pending
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/06—Bearing arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/008—Measuring or testing arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C37/00—Cooling of bearings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
A bearing bush cooling system of a small water turbine relates to a structural system of the small water turbine. The accurate measurement of an oil temperature, accurate judgment of an oil level position and sufficient cooling of steam turbine oil are realized by improving a temperature measurement position and a structure as well as the structure of a cooling system. The bearing bush cooling system comprises a bearing pedestal, an oil inlet pipe, an oil outlet pipe, an oil pump, a cooling container and a cooling coiled pipe and is characterized in that an oil supply pipe interface is formed in the upper part of the bearing pedestal, is connected to the oil inlet pipe, corresponds to the position of a bearing bush and is used for cooling oil supplied to the bearing bush; an oil return pipe interface is formed in the lower part of the bearing pedestal and is connected to the oil outlet pipe; an oil pump is arranged on the oil outlet pipe and is connected to an oil inlet of the cooling coiled pipe; the cooling coiled pipe is arranged in a cooling container; an oil outlet of the cooling coiled pipe is connected to the oil inlet pipe; and a water inlet and a water outlet are formed in the cooling container.
Description
Technical field
The present invention relates to small hydraulic turbine structural system, be specifically related to the cooling system of a kind of small hydraulic turbine bearing shell.
Background technology
The cooling system of small hydraulic turbine bearing shell mainly uses water cooler at present, by water, steam turbine oil is cooled down, by steam turbine oil, bearing shell is cooled down again, its operation principle is to utilize to get rid of oil machine structure and promote steam turbine oil to water on generator main bearing shell, the heat produced when being rotated by main shaft is taken away, the heat of steam turbine oil is taken away by the cooler that steam turbine oil flows through through continual cooling water, thus reaches the purpose of radiating and cooling.Wherein measuring oil temperature of being heated is to use bearing block top drilling to bearing shell, being put into by thermodetector in an iron pipe, iron pipe is inserted top drilling, its shortcoming is: 1, top temperature measurement meter is due to ferrous pipe structure heat conduction reason own, influenced by ambient temperature greatly, measure not accurate enough；2, use observation port observation cooling steam turbine pasta, by get rid of oil machine structure get rid of oil affected to liquid level judgement the most not accurate enough；3, occur when cooling water is cut off the water supply, easy bearing liner burnout, shutdown can only be made and process.
Summary of the invention
Present invention aim at: a kind of small hydraulic turbine bearing shell cooling system is provided, through temperature measurement location and structure are improved, and cooling system structure is improved, it is achieved to oil temperature Accurate Determining, the accurate judgement of oil surface level, and sufficiently cool to steam turbine oil.
The technical scheme is that small hydraulic turbine bearing shell cooling system, including bearing block, oil inlet pipe, flowline, oil pump, cooling container, cooling coil, it is characterized in that: bearing block top is provided with fuel feed pump interface, fuel feed pump interface connects oil inlet pipe, fuel feed pump interface correspondence bearing shell position, for cooling down bearing shell fuel feeding；Bearing block bottom is provided with oil return pipe interface, and oil return pipe interface connects flowline, and flowline is provided with oil pump, and oil pump connects cooling coil oil-in, and cooling coil is arranged in cooling container, and the oil-out of cooling coil is connected with oil inlet pipe；Cooling container is additionally provided with water inlet, outlet.
The most described small hydraulic turbine bearing shell cooling system, it is characterised in that: bearing block bottom oil return pipe seam is provided with upstanding transparent pipe, and transparent tube upper end is arranged with mechanism shaft bearing with high, is used for observing fuel head in bearing block.
The most described small hydraulic turbine bearing shell cooling system, it is characterised in that: on oil inlet pipe, flowline, it is provided with oil temperature determinator.
The most described small hydraulic turbine bearing shell cooling system, it is characterised in that: the oil-in of described cooling coil is located at cooling lower vessel portion, and oil-out is located at cooling upper vessel portion, and cooling container water inlet is located at top, and outlet is located at cooling lower vessel portion.
The most described small hydraulic turbine bearing shell cooling system, it is characterised in that: described oil pump is two, and a job, another is standby.
The most described small hydraulic turbine bearing shell cooling system, it is characterised in that: described cooling coil is copper pipe.
The most described small hydraulic turbine bearing shell cooling system, it is characterized in that: also include remote control module, remote control module connects oil temperature determinator, valve control module, oil pump control module, use high-precision electronic temperature measuring equipment, monitor the oil temperature of generator oil tank oil inlet and outlet in real time, exception once occurs, immediately reports to the police..
The present invention has the beneficial effects that: use Large Copacity and the most parked cooling changing water, increases the area of dissipation of copper serpentine pipe, it is ensured that cool down later steam turbine oil Oil-temperature control within 30 DEG C.Use high-precision electronic temperature measuring equipment, monitor the oil temperature of generator oil tank oil inlet and outlet in real time, exception once occurs, immediately report to the police.Owing to have employed Large Copacity and the most parked cooling water changed, even if cooling container inlet valve blocking, receive the report for police service from remotely attended center operator on duty, notify related personnel's in-situ processing, have the time of abundance, the generation of tile kilning phenomenon can be prevented effectively from.Further, field personnel can get rid of cooling water slug fault without shutting down；This technical reform scheme is particularly adapted to the small hydropower station new-type service mode of " unmanned, few people on duty, remotely monitoring ", can be effectively improved equipment for hydroelectric station reliability, it is possible to ensure the safe operation of electromotor bearing shell reliably, extend its service life.
Accompanying drawing explanation
Fig. 1 is structural scheme of mechanism of the present invention.
In figure: oil inlet pipe 1, bearing block 2, outlet oil temperature measuring equipment 3, valve 4, oil pump 5, outlet 6, cooling coil 7, cooling container 8, water inlet 9, imported oil temperature measuring equipment 10, transparent tube 11.
Detailed description of the invention
Small hydraulic turbine bearing shell cooling system, including bearing block 2, oil inlet pipe 1, flowline, oil pump 5, cooling container 8, cooling coil 7, it is characterized in that: bearing block 2 top is provided with fuel feed pump interface, fuel feed pump interface connects oil inlet pipe 1, fuel feed pump interface correspondence bearing shell position, for cooling down bearing shell fuel feeding；Bearing block 2 bottom is provided with oil return pipe interface, and oil return pipe interface connects flowline, and flowline is provided with oil pump 5, and oil pump 5 connects cooling coil 7 oil-in, and cooling coil 7 is arranged in cooling container 8, and the oil-out of cooling coil 7 is connected with oil inlet pipe 1；Cooling container 8 is additionally provided with water inlet 9, outlet 6；Bearing block 2 bottom oil return pipe seam is provided with upstanding transparent pipe 11, and transparent tube 11 upper end is arranged with mechanism shaft bearing 2 with high, is used for observing fuel head in bearing block 2；Oil inlet pipe 1, flowline are provided with import oil temperature determinator 10, outlet oil temperature determinator 3；The oil-in of described cooling coil 7 is located at cooling container 8 bottom, and oil-out is located at cooling container 8 top, and cooling container 8 water inlet 9 is located at bottom, and outlet is located at cooling container 8 bottom；Described oil pump 5 is two, and a job, another is standby.Also including remote control module, remote control module connects oil temperature determinator, valve control module, oil pump control module, uses high-precision electronic temperature measuring equipment, monitors the oil temperature of generator oil tank oil inlet and outlet in real time, exception once occurs, immediately reports to the police.
Claims (7)
1. small hydraulic turbine bearing shell cooling system, including bearing block, oil inlet pipe, flowline, oil pump, cooling container, cooling coil, it is characterised in that: bearing block top is provided with fuel feed pump interface, and fuel feed pump interface connects oil inlet pipe, fuel feed pump interface correspondence bearing shell position, for cooling down bearing shell fuel feeding；Bearing block bottom is provided with oil return pipe interface, and oil return pipe interface connects flowline, and flowline is provided with oil pump, and oil pump connects cooling coil oil-in, and cooling coil is arranged in cooling container, and the oil-out of cooling coil is connected with oil inlet pipe；Cooling container is additionally provided with water inlet, outlet.
Small hydraulic turbine bearing shell cooling system the most according to claim 1, it is characterised in that: bearing block bottom oil return pipe seam is provided with upstanding transparent pipe, and transparent tube upper end is arranged with mechanism shaft bearing with high, is used for observing fuel head in bearing block.
Small hydraulic turbine bearing shell cooling system the most according to claim 1, it is characterised in that: on oil inlet pipe, flowline, it is provided with oil temperature determinator.
Small hydraulic turbine bearing shell cooling system the most according to claim 1, it is characterized in that: the oil-in of described cooling coil is located at cooling lower vessel portion, oil-out is located at cooling upper vessel portion, and cooling container water inlet is located at top, and outlet is located at cooling lower vessel portion.
Small hydraulic turbine bearing shell cooling system the most according to claim 1, it is characterised in that: described oil pump is two, and a job, another is standby.
Small hydraulic turbine bearing shell cooling system the most according to claim 1, it is characterised in that: described cooling coil is copper pipe.
7. according to the small hydraulic turbine bearing shell cooling system one of claim 16 Suo Shu, it is characterized in that: also include remote control module, remote control module connects oil temperature determinator, valve control module, oil pump control module, use high-precision electronic temperature measuring equipment, monitor the oil temperature of generator oil tank oil inlet and outlet in real time, exception once occurs, immediately reports to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610306283.1A CN105822485A (en) | 2016-05-11 | 2016-05-11 | Bearing bush cooling system of small water turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610306283.1A CN105822485A (en) | 2016-05-11 | 2016-05-11 | Bearing bush cooling system of small water turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105822485A true CN105822485A (en) | 2016-08-03 |
Family
ID=56529277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610306283.1A Pending CN105822485A (en) | 2016-05-11 | 2016-05-11 | Bearing bush cooling system of small water turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105822485A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799344A (en) * | 2018-08-29 | 2018-11-13 | 福建亿华源能源管理有限公司 | Power station bearing shell cooling system based on intelligent PI control |
| CN109707742A (en) * | 2019-01-05 | 2019-05-03 | 尹苑苑 | A kind of large-size steam turbine combined bearing |
| CN111486045A (en) * | 2020-04-27 | 2020-08-04 | 倪俊 | Efficient energy-saving power generation equipment and power generation method thereof |
| CN114876698A (en) * | 2022-05-09 | 2022-08-09 | 西安热工研究院有限公司 | Quantitative regulating and controlling system for oil level of bearing oil groove of hydroelectric generating set and working method of quantitative regulating and controlling system |
-
2016
- 2016-05-11 CN CN201610306283.1A patent/CN105822485A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799344A (en) * | 2018-08-29 | 2018-11-13 | 福建亿华源能源管理有限公司 | Power station bearing shell cooling system based on intelligent PI control |
| CN109707742A (en) * | 2019-01-05 | 2019-05-03 | 尹苑苑 | A kind of large-size steam turbine combined bearing |
| CN111486045A (en) * | 2020-04-27 | 2020-08-04 | 倪俊 | Efficient energy-saving power generation equipment and power generation method thereof |
| CN114876698A (en) * | 2022-05-09 | 2022-08-09 | 西安热工研究院有限公司 | Quantitative regulating and controlling system for oil level of bearing oil groove of hydroelectric generating set and working method of quantitative regulating and controlling system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160803 |
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| RJ01 | Rejection of invention patent application after publication |