CN204984497U - Maintenance device and maintenance system are shut down to steam turbine - Google Patents
Maintenance device and maintenance system are shut down to steam turbine Download PDFInfo
- Publication number
- CN204984497U CN204984497U CN201520679744.0U CN201520679744U CN204984497U CN 204984497 U CN204984497 U CN 204984497U CN 201520679744 U CN201520679744 U CN 201520679744U CN 204984497 U CN204984497 U CN 204984497U
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- air heater
- oil
- water seperator
- air
- steam turbine
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Abstract
The utility model discloses a maintenance device and maintenance system are shut down to steam turbine, steam turbine shut down the maintenance device and include oil water separator, air heater and plenum chamber, the last oil water separator intake pipe that is provided with of oil water separator, and air heater includes many heating rods, and oil water separator's outlet duct links to each other with air heater's intake pipe, and air heater's outlet duct links to each other with the intake pipe of plenum chamber, the bottom of oil water separator, air heater and plenum chamber is provided with the drain pipe respectively, is provided with the drain valve on each drain pipe respectively, and compressed air is through dehydration back, with air heating to uniform temperature, has the hot -air of certain pressure in time to get into the steam turbine after the heating, and the mechanism dry to needs adds hot drying.
Description
Technical field
The utility model relates to power industry, particularly relates to a kind of maintenance downtime device and maintenance system of steam turbine.
Background technique
Steam turbine as a kind of key equipment of power industry, in recent years, in order to adapt to the demand of urban development; protection of the environment, energy saving, steam turbine progressively by small-sized to large-scale renewal; steam turbine also becomes more and more important, and its Security and working life more and more come into one's own.
Steam turbine is stopping using or when being in stand-by state, the pressure and temp of water-steam system inside declines, steam condensation, and it is inner that air infiltrates steam turbine from the imprecision of equipment, and oxygen is dissolved in water; In addition; during equipment out of use; still Yu Shui is retained after some device interior drainings; Yu Shui evaporation makes water-steam system humidity large, causes corrosion, send manufactory's maintenance to spend substantial contribution to metal; and rotor corrosion directly affects Security and the working life of equipment; therefore, the maintenance work between down period need be strengthened, to strengthen Security and the working life of equipment.
Model utility content
The technical problem that the utility model solves is to provide a kind of being conducive to and carries out dry halt turbines care device and maintenance system to halt turbines state.
The utility model solves the technological scheme that its technical problem adopts: halt turbines care device; comprise oil and water seperator, air heater and gas collecting box; oil and water seperator is provided with oil and water seperator suction tude; air heater comprises many heating sticks; the steam outlet pipe of oil and water seperator is connected with the suction tude of air heater; the steam outlet pipe of air heater is connected with the suction tude of gas collecting box; the bottom of described oil and water seperator, air heater and gas collecting box is respectively arranged with waste pipe, and each waste pipe is respectively arranged with drain valve.
Pressurized air carries out after aqueous vapor separation through oil and water seperator, and isolated air enters air heater, and air heater is transferred to gas collecting box to after pressurized air heating, and gas collecting box 3 is for store heat air.
Further: described oil and water seperator suction tude is also provided with the electricity whether heated for controlling described heating stick and connects pressure gauge.
Further: described air heater is also provided with temperature control instrument.
The utility model additionally provides halt turbines maintenance system, comprise steam turbine, also comprise air compressor and steam turbine care device, steam turbine care device comprises oil and water seperator, air heater and gas collecting box, oil and water seperator is provided with oil and water seperator suction tude, air heater comprises many heating sticks, the steam outlet pipe of oil and water seperator is connected with the suction tude of air heater, the steam outlet pipe of air heater is connected with the suction tude of gas collecting box, described oil and water seperator, the bottom of air heater and gas collecting box is respectively arranged with waste pipe, each waste pipe is respectively arranged with drain valve, air compressor is connected with the suction tude of described oil and water seperator, the steam outlet pipe of gas collecting box is connected with described steam turbine.
Further: described oil and water seperator suction tude is also provided with the electricity whether heated for controlling described heating stick and connects pressure gauge.
Further: described air heater is also provided with temperature control instrument.
The utility model beneficial effect is: pressurized air is after the dehydration of halt turbines care device, by air heating to uniform temperature, the hot air of certain pressure that has after heating enters steam turbine in time, heat drying is carried out to needing dry mechanism, air pressure is utilized to go out, moisture content heating tape remaining in cylinder to reach the object of dry-run protection; When steam turbine is for subsequent use, periodically when temperature is lower, drying device to be dewatered and air after heating purges 2 ~ 5h to the cylinder of steam turbine, ensure that vapour cylinder temperature is higher than atmospheric temperature more than 10 DEG C, the inside and outside wall of steam turbine would not produce water dew, steam turbine is made to be in drying regime for a long time, reach the object of anti-corrosion, improve Security and the working life of equipment.
Accompanying drawing explanation
Fig. 1 is halt turbines care device schematic diagram;
Fig. 2 is halt turbines maintenance system schematic diagram;
Be labeled as in figure: oil and water seperator 1, oil and water seperator waste pipe 10, oil and water seperator suction tude 11, oil and water seperator steam outlet pipe 12, air heater 2, air heater waste pipe 20, air heater suction tude 21, air heater steam outlet pipe 22, gas collecting box 3, gas collecting box waste pipe 30, gas collecting box suction tude 31, gas collecting box first steam outlet pipe 32, gas collecting box second steam outlet pipe 33, electricity connects pressure gauge 4, air compressor 5, steam turbine 6, steam turbine first suction tude 61, steam turbine second suction tude 62.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is illustrated further.
As shown in Figure 1, halt turbines care device, comprise oil and water seperator 1, air heater 2 and gas collecting box 3, oil and water seperator 1 is provided with oil and water seperator suction tude 11, air heater 2 comprises many heating sticks, oil and water seperator steam outlet pipe 12 is connected with air heater suction tude 21, air heater steam outlet pipe 22 is connected with gas collecting box suction tude 31, the bottom of described oil and water seperator 1 is provided with oil and water seperator waste pipe 10, oil and water seperator waste pipe 10 is provided with oil and water seperator drain valve, the bottom of air heater 2 is provided with air heater waste pipe 20, air heater waste pipe 20 is provided with air heater drain valve, the bottom of gas collecting box 3 is provided with gas collecting box waste pipe 30, gas collecting box waste pipe 30 is provided with gas collecting box drain valve, pressurized air is after oil and water seperator 1 carries out aqueous vapor separation, isolated water is discharged through oil and water seperator waste pipe 10, isolated air enters air heater 2, gas collecting box 3 is transferred to after air heater 2 pairs of pressurized air heating, gas collecting box 3 is for store heat air, 2 hydrophobicly to discharge by air heater waste pipe 20 in air heater, water in gas collecting box 3 is discharged by gas collecting box waste pipe 30.
Described oil and water seperator suction tude 11 is also provided with the electricity whether heated for controlling described heating stick and connects pressure gauge 4, when compressed air pressure is lower than setting value, automatically cut off the power supply of heating stick, energy-saving safe more.
Described air heater 1 is also provided with temperature control instrument, makes air temperature control in air heater 1 within deviation ± 5 DEG C.
Halt turbines maintenance system, comprise steam turbine 6, also comprise air compressor 5 and steam turbine care device, steam turbine care device comprises oil and water seperator 1, air heater 2 and gas collecting box 3, oil and water seperator 1 is provided with oil and water seperator suction tude 11, air heater 2 comprises many heating sticks, oil and water seperator steam outlet pipe 12 is connected with air heater suction tude 21, air heater steam outlet pipe 22 is connected with gas collecting box suction tude 31, the bottom of described oil and water seperator 1 is provided with oil and water seperator waste pipe 10, oil and water seperator waste pipe 10 is provided with oil and water seperator drain valve, the bottom of air heater 2 is provided with air heater waste pipe 20, air heater waste pipe 20 is provided with air heater drain valve, the bottom of gas collecting box 3 is provided with gas collecting box waste pipe 30, gas collecting box waste pipe 30 is provided with gas collecting box drain valve, after compressed air delivery to oil and water seperator 1 is carried out aqueous vapor separation by air compressor 5, isolated water is discharged through oil and water seperator waste pipe 10, isolated air enters air heater 2, gas collecting box 3 is transferred to after air heater 2 pairs of pressurized air heating, gas collecting box 3 is for store heat air, in air heater, the water of 2 is discharged by air heater waste pipe 20, water in gas collecting box 3 is discharged by gas collecting box waste pipe 30, hot air in gas collecting box enters from the lower cylinder extraction opening of steam turbine 6 in time, the hot air of certain pressure is had to form a complete contracurrent system in the cylinder of steam turbine 6, from turbine shaft seal and vacuum breaking door, vapour condenser manhole door is discharged, air pressure is utilized moisture content remaining in cylinder heating to be taken out of, to reach the object of dry-run protection, when steam turbine is for subsequent use, timing by the cylinder purging 2 ~ 5h of the air after dehydration, heating to steam turbine, ensures that vapour cylinder temperature is higher than atmospheric temperature more than 10 DEG C at (0 .-8 point as every night) in temperature is lower.According to dew point principle, water dew would not be produced at steam turbine inside and outside wall, make steam turbine be in drying regime for a long time, reach the object of anti-corrosion.Oil and water seperator suction tude 11 is also provided with the electricity whether heated for controlling described heating stick and connects pressure gauge 4, when compressed air pressure is lower than setting value, automatically cut off the power supply of heating stick, energy-saving safe more; State on air heater 1 and be also provided with for temperature measuring equipment control instrument, make air temperature control in air heater 1 within deviation ± 5 DEG C.
Halt turbines maintenance system of the present utility model adopts air compressor to be power source, by pressurized air after the dehydration of halt turbines care device, by air heating to about 50 ~ 80 DEG C, air after heating enters from the lower cylinder extraction opening of steam turbine in time, there is the hot air of certain pressure in steam turbine, form a complete contracurrent system, discharge from turbine shaft seal and vacuum breaking door, vapour condenser manhole door, air pressure is utilized to go out, moisture content heating tape remaining in cylinder to reach the object of dry-run protection; When steam turbine is for subsequent use, periodically when temperature is lower, drying device to be dewatered and air after heating purges 2 ~ 5h to the cylinder of steam turbine, ensure that vapour cylinder temperature is higher than atmospheric temperature more than 10 DEG C, the inside and outside wall of steam turbine would not produce water dew, steam turbine is made to be in drying regime for a long time, reach the object of anti-corrosion, improve Security and the working life of equipment.
Above-described embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; be understood that; the foregoing is only embodiment of the present utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. halt turbines care device; it is characterized in that: comprise oil and water seperator, air heater and gas collecting box; oil and water seperator is provided with oil and water seperator suction tude; air heater comprises many heating sticks; the steam outlet pipe of oil and water seperator is connected with the suction tude of air heater; the steam outlet pipe of air heater is connected with the suction tude of gas collecting box; the bottom of described oil and water seperator, air heater and gas collecting box is respectively arranged with waste pipe, and each waste pipe is respectively arranged with drain valve.
2. halt turbines care device as claimed in claim 1, is characterized in that: described oil and water seperator suction tude is also provided with the electricity whether heated for controlling described heating stick and connects pressure gauge.
3. halt turbines care device as claimed in claim 2, is characterized in that: described air heater is also provided with temperature control instrument.
4. halt turbines maintenance system, comprise steam turbine, it is characterized in that: also comprise air compressor and steam turbine care device, steam turbine care device comprises oil and water seperator, air heater and gas collecting box, oil and water seperator is provided with oil and water seperator suction tude, air heater comprises many heating sticks, the steam outlet pipe of oil and water seperator is connected with the suction tude of air heater, the steam outlet pipe of air heater is connected with the suction tude of gas collecting box, described oil and water seperator, the bottom of air heater and gas collecting box is respectively arranged with waste pipe, each waste pipe is respectively arranged with drain valve, air compressor is connected with the suction tude of described oil and water seperator, the steam outlet pipe of gas collecting box is connected with described steam turbine.
5. halt turbines maintenance system as claimed in claim 4, is characterized in that: described oil and water seperator suction tude is also provided with the electricity whether heated for controlling described heating stick and connects pressure gauge.
6. halt turbines maintenance system as claimed in claim 5, is characterized in that: described air heater is also provided with temperature control instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520679744.0U CN204984497U (en) | 2015-09-06 | 2015-09-06 | Maintenance device and maintenance system are shut down to steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520679744.0U CN204984497U (en) | 2015-09-06 | 2015-09-06 | Maintenance device and maintenance system are shut down to steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204984497U true CN204984497U (en) | 2016-01-20 |
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ID=55118876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520679744.0U Expired - Fee Related CN204984497U (en) | 2015-09-06 | 2015-09-06 | Maintenance device and maintenance system are shut down to steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204984497U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196989A (en) * | 2016-09-28 | 2016-12-07 | 镇江市科能电力设备有限公司 | A kind of steam turbine blowing-out ventilation anticorrosion equipment is dried care device |
| CN106368747A (en) * | 2016-11-25 | 2017-02-01 | 江苏中能电力设备有限公司 | Fast steam turbine starting system based on automatic temperature control |
| CN109908714A (en) * | 2019-04-11 | 2019-06-21 | 西安热工研究院有限公司 | High-pressure dry air maintenance system and method for water vapor system of power station |
-
2015
- 2015-09-06 CN CN201520679744.0U patent/CN204984497U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196989A (en) * | 2016-09-28 | 2016-12-07 | 镇江市科能电力设备有限公司 | A kind of steam turbine blowing-out ventilation anticorrosion equipment is dried care device |
| CN106368747A (en) * | 2016-11-25 | 2017-02-01 | 江苏中能电力设备有限公司 | Fast steam turbine starting system based on automatic temperature control |
| CN109908714A (en) * | 2019-04-11 | 2019-06-21 | 西安热工研究院有限公司 | High-pressure dry air maintenance system and method for water vapor system of power station |
| CN109908714B (en) * | 2019-04-11 | 2024-01-23 | 西安热工研究院有限公司 | High-pressure dry air maintenance system and maintenance method for water vapor system of power station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20200906 |