CN208311425U - A kind of Turbo-generator Set sealing oil system - Google Patents

A kind of Turbo-generator Set sealing oil system Download PDF

Info

Publication number
CN208311425U
CN208311425U CN201820531331.1U CN201820531331U CN208311425U CN 208311425 U CN208311425 U CN 208311425U CN 201820531331 U CN201820531331 U CN 201820531331U CN 208311425 U CN208311425 U CN 208311425U
Authority
CN
China
Prior art keywords
oil
pipeline
host
grease
box
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.)
Expired - Fee Related
Application number
CN201820531331.1U
Other languages
Chinese (zh)
Inventor
王治辉
李明
高明朗
李会军
王钢锋
宋志强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaneng International Power Development Co Tongchuan Zhaojin Power Plant
Original Assignee
Huaneng International Power Development Co Tongchuan Zhaojin Power Plant
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huaneng International Power Development Co Tongchuan Zhaojin Power Plant filed Critical Huaneng International Power Development Co Tongchuan Zhaojin Power Plant
Priority to CN201820531331.1U priority Critical patent/CN208311425U/en
Application granted granted Critical
Publication of CN208311425U publication Critical patent/CN208311425U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Motor Or Generator Cooling System (AREA)

Abstract

The utility model discloses a kind of Turbo-generator Set sealing oil systems, it drains the oil pipeline in Seal Oil oil return enlarged slot to being equipped with first between host grease-box, and it drains the oil first and is equipped with enlarged slot to host grease-box on pipeline and drains the oil manually operated door, second is equipped in Seal Oil oil return enlarged slot U-tube bottom to drain the oil pipeline, and drain the oil second and be equipped with U-tube to host grease-box on pipeline and drain the oil manually operated door, two-way is drained the oil after pipeline converges and is commonly connected on host grease-box.The utility model can use the special method of operation: using do not stop transport jiggering, lubricating oil system, steam turbine, which is beaten, carries out generator gas displacement after lock, after the completion of gas displacement, the generator pressure release simultaneously of sealing bearing bush charge oil pressure is reduced to zero, Seal Oil goes back to the U-tube road that main sump is newly installed additional by oil return enlarged slot and pipeline is drained the oil to the pipeline of draining the oil of main sump in bottom, Seal Oil directly can be emitted into host grease-box.

Description

A kind of Turbo-generator Set sealing oil system
Technical field
The utility model relates to power plant's save the cost field, it is related to sealing oil system and drains the oil the Optimizing Reconstruction of door, specifically An a kind of Optimizing Reconstruction of draining the oil under the special method of operation of 600MW Turbo-generator Set sealing oil system.
Background technique
General hydrogen cooler of generator leakage need to be by pressure pressure release in generator to zero, according to previous way, and one After unit makes lock, cylinder of steam turbine temperature drop puts into compressed air quickly cooling device to 300 DEG C, and cylinder body is accelerated to be cooled to 150 DEG C, Stoppage in transit rapid cooling, to cylinder temperature drop to 145 DEG C, stoppage in transit jiggering, Seal Oil, generator pressure release to zero, it usually needs 8 day time was reduced Generated energy.
Summary of the invention
The purpose of the utility model is to provide a kind of Turbo-generator Set sealing oil system, it is engineered after system can contract Bob motor pressure release maintenance downtime, reduces electric quantity loss, and system operation mode is flexible and varied.
To reach the purpose, the technical solution of the utility model is: a kind of Turbo-generator Set sealing oil system, including hydrogen Cold generator, Seal Oil oil return enlarged slot, host grease-box, float fuel tank, air extract slot out, it is characterised in that: are sealing Oily oil return enlarged slot is drained the oil pipeline to being equipped with first between host grease-box, and is drained the oil first and be equipped with enlarged slot extremely on pipeline Host grease-box is drained the oil manually operated door, is equipped with second in Seal Oil oil return enlarged slot U-tube bottom and is drained the oil pipeline, and puts second Oil-piping is equipped with U-tube to host grease-box and drains the oil manually operated door, and two-way, which is drained the oil, is commonly connected to host profit after pipeline converges On oil tank.
When generator has 50KPa pressure above, its generator end sealing bearing bush oil return is extracted out by Seal Oil air Slot is normally back to host grease-box;But the especially generator pressure when generator pressure is lower than 50KPa or less The oil return of its sealing bearing bush is directly entered generator when for 0KPa, causes generator oil inlet dangerous, to guarantee this Engine health not oil inlet under operating condition needs to open Seal Oil oil return enlarged slot and drains the oil to sky door of draining the oil into atmosphere, leads to ring Border, which is polluted and existed, drains the oil not anxious and leads to generator oil inlet.
The utility model is by empty manually operated door of draining the oil being transformed to the master with negative pressure system Seal Oil oil return enlarged slot The Seal Oil oil return enlarged slot U-tube road and bottom newly installed additional in this way after machine grease-box is drained the oil pipeline putting to main sump On the one hand oil pipe line makes the smooth not oil inlet of generator Seal Oil oil return enlarged slot oil extraction, has on the other hand prevented environmental pollution, and It is generator pressure in 0KPa, sealing oil system is not stopped transport, and quick defect elimination engine block defect provides guarantee.
The utility model is by empty manually operated door of draining the oil being transformed to the master with negative pressure system Seal Oil oil return enlarged slot Pipeline is drained the oil to host grease-box in the Seal Oil oil return enlarged slot U-tube road and bottom newly installed additional in this way after machine grease-box Pipeline of draining the oil, on the one hand make the smooth not oil inlet of generator Seal Oil oil return enlarged slot oil extraction, on the other hand prevented environment dirt Dye, and in 0KPa, sealing oil system quick defect elimination engine block defect of not stopping transport provides guarantor for generator pressure Card.
By an Optimizing Reconstruction of draining the oil, 600MW Turbo-generator Set sealing oil system uses the special method of operation: using not Stoppage in transit jiggering, lubricating oil system, steam turbine, which is beaten, carries out generator gas displacement after lock, after the completion of gas displacement, reduces sealing bearing bush To zero, Seal Oil returns main sump and passes through U-tube road and bottom that oil return enlarged slot newly installs additional for charge oil pressure generator pressure release simultaneously Portion drains the oil pipeline to the pipeline of draining the oil of main sump, Seal Oil directly can be emitted into host grease-box.
After an Optimizing Reconstruction of draining the oil, stops transport and need to can handle 8 day time to Seal Oil, jiggering according to lock is made from steam turbine Hydrogen cooler of generator calculates, and can be shortened the duration 6 days, reduces 86,400,000 degree of electric quantity loss, and pass through and facts have proved this Kind of sealing oil system is drained the oil the feasibility of the special method of operation after an Optimizing Reconstruction.
Detailed description of the invention
Fig. 1 is the structure of modification schematic diagram of the utility model.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing, the description of this part is only exemplary and explains Property, it is not construed as the limitation to the utility model public technology content.
As shown in Figure 1, increase newly 2 valves: Seal Oil oil return enlarged slot to host grease-box drain the oil manually operated door 1, sealing Oily oil return enlarged slot U-tube is drained the oil manually operated door 2.
Newly-increased first drains the oil pipeline 3: Seal Oil oil return enlarged slot to host grease-box is drained the oil pipeline (Φ 20mm, length 8m, stainless steel 304 SS).
Newly-increased second drains the oil pipeline 4: Seal Oil oil return enlarged slot U-tube is drained the oil pipeline (Φ 20mm, length 55m, stainless steel 304SS)。
The course of work is as follows:
1, in Fig. 1, after being replaced into air in generator, when pressure is down to 100KPa in machine, Seal Oil is slowly opened Oil return enlarged slot grease alarm sewage door, makes pressure in machine be slowly lowered to zero.
2, when pressure is down to 80KPa in generator, zero meter begins through adjustment Seal Oil differential valve bypass manually operated door Oily hydrogen differential pressure is controlled 30KPa to 35KPa (monitoring differential pressure gauge on the spot);Until pressure is down to 0KPa in generator.
3, during pressure is down to 0KPa by 100KPa in generator, float fuel level in tank should be looked over one's shoulder;When its oil level Raising or oil extraction are opened float fuel tank bypass manually operated door control float fuel level in tank in time, are answered when the full oil of float fuel tank when unsmooth By the bypass door standard-sized sheet and close the oily manually operated door of float fuel tank disengaging;Look over one's shoulder whether three grease alarms have oil simultaneously.
4, when pressure is down to 0KPa in generator, should open with lower valve: float fuel tank bypasses manually operated door, and enlarged slot is extremely Float fuel tank U-tube is drained the oil manually operated door and what is newly installed additional drain the oil manually operated door 2 to host grease-box, enlarged slot grease alarm row Dirty manually operated door, generator #1, #2 grease alarm blowdown manually operated door.
5, it periodically turns on enlarged slot to drain the oil manually operated door and what is newly installed additional drain the oil manually operated door 1 to host grease-box, be put Oil operation, to prevent oil leakage in generator;If enlarged slot grease alarm blowdown manually operated door simultaneously, the alarm of generator #1, #2 grease It is any when thering is oil to be discharged at device blowdown manually operated door, should continuously open enlarged slot drain the oil manually operated door and newly install additional to host lubricating oil Case is drained the oil manually operated door 1, until oil-free discharge at the above sewage door.
6, during Seal Oil is drained the oil, host grease-box oil level is looked over one's shoulder, oil level is prevented to fluctuate.
The above content is only to illustrate the technical idea of the utility model, and the protection model of the utility model cannot be limited with this Enclose, it is all according to the utility model proposes technical idea, any changes made on the basis of the technical scheme each falls within this reality Within protection scope with novel claims.

Claims (1)

1. a kind of Turbo-generator Set sealing oil system, including hydrogen cooled generator, Seal Oil oil return enlarged slot, host lubricating oil Case, float fuel tank, air extract slot out, it is characterised in that: in Seal Oil oil return enlarged slot to being equipped with the between host grease-box One drains the oil pipeline (3), and drains the oil first and be equipped with enlarged slot to host grease-box on pipeline and drain the oil manually operated door (1), is sealing Oily oil return enlarged slot U-tube bottom is equipped with and second drains the oil pipeline (4), and drains the oil second and be equipped with U-tube to host on pipeline and moisten Oil tank is drained the oil manually operated door (2), and two-way is drained the oil after pipeline converges and is commonly connected on host grease-box.
CN201820531331.1U 2018-04-13 2018-04-13 A kind of Turbo-generator Set sealing oil system Expired - Fee Related CN208311425U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820531331.1U CN208311425U (en) 2018-04-13 2018-04-13 A kind of Turbo-generator Set sealing oil system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820531331.1U CN208311425U (en) 2018-04-13 2018-04-13 A kind of Turbo-generator Set sealing oil system

Publications (1)

Publication Number Publication Date
CN208311425U true CN208311425U (en) 2019-01-01

Family

ID=64719919

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820531331.1U Expired - Fee Related CN208311425U (en) 2018-04-13 2018-04-13 A kind of Turbo-generator Set sealing oil system

Country Status (1)

Country Link
CN (1) CN208311425U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113624406A (en) * 2021-08-11 2021-11-09 河北西柏坡第二发电有限责任公司 Generator air tightness test device and method for reducing maintenance period of steam turbine set
CN114484282A (en) * 2022-02-07 2022-05-13 中国能源建设集团华北电力试验研究院有限公司 Generator sealing oil system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113624406A (en) * 2021-08-11 2021-11-09 河北西柏坡第二发电有限责任公司 Generator air tightness test device and method for reducing maintenance period of steam turbine set
CN113624406B (en) * 2021-08-11 2024-01-12 河北西柏坡第二发电有限责任公司 Generator airtight test device and method for reducing overhaul period of turbine unit
CN114484282A (en) * 2022-02-07 2022-05-13 中国能源建设集团华北电力试验研究院有限公司 Generator sealing oil system

Similar Documents

Publication Publication Date Title
CN208311425U (en) A kind of Turbo-generator Set sealing oil system
CN108999653B (en) Shaft seal device for adjustable extraction steam turbine and working method of shaft seal device
CN201335372Y (en) Condensed water recovery device of steam system
CN204372511U (en) Tank lubrication oil recovery device
CN206571970U (en) A kind of mechanical seal hinders the sealing liquid circulatory system
CN102174940A (en) Gas making furnace oil pressure system with detection function
CN107165854B (en) Automatic control and recovery device for sealing water of water supply pump
CN206738302U (en) A kind of airline carriers of passengers is counter to push away hydraulic actuation system testboard
WO2013157989A1 (en) System of leakage drains for a main circulating pump assembly
CN209940916U (en) TWLJ steam turbine oil temperature and pressure compensation oil filter
CN107100914A (en) A kind of airline carriers of passengers is counter to push away hydraulic actuation system testboard
CN212130721U (en) Drainage system of sealed oil vacuum pump of generator of nuclear power plant
CN110332304B (en) Intelligent lubricating oil emergency system and control method
CN201892031U (en) Gas pipeline drainer
CN212389387U (en) System for preventing water accumulation of shaft seal steam source pipeline
CN207131454U (en) A kind of unattended automatic hydrophobic system
CN101967998B (en) System for recycling control water of steam turbine and axial drained water
CN208416621U (en) Low pressure (LP) cylinder gland seal system, steam turbine and turbine LP rotors
CN202250267U (en) Lubricating oil tank provided with water drainage device
CN111472847A (en) System for preventing water accumulation of shaft seal steam source pipeline
CN114382558B (en) Steam seal heater device capable of exhausting steam and control method thereof
US2341738A (en) Steam plant
CN211872022U (en) Dry-type TRT sweeps deashing system
CN220955738U (en) Drainage system of shaft blower
CN213016713U (en) Anti-emulsification device of power station air compressor machine lubricating oil

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190101

Termination date: 20200413

CF01 Termination of patent right due to non-payment of annual fee