CN208849630U - A kind of Generator Stator Cooling water system run using high water tank - Google Patents
A kind of Generator Stator Cooling water system run using high water tank Download PDFInfo
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- CN208849630U CN208849630U CN201821602887.1U CN201821602887U CN208849630U CN 208849630 U CN208849630 U CN 208849630U CN 201821602887 U CN201821602887 U CN 201821602887U CN 208849630 U CN208849630 U CN 208849630U
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Abstract
The utility model discloses a kind of Generator Stator Cooling water systems run using high water tank, belong to generator cooling technology field.Including cooling generator and using the high water tank of high-order arrangement, high water tank is arranged on generator by support；The exhaust manifold trunk being arranged on high water tank is connected with generator water inlet manifold, and high water tank outlet pipe is connected with generator total outlet pipe；In generator total outlet pipe to the cooling water supervisor between generator water inlet manifold, the equipment such as two parallel water pumps, two water cooler, temperature regulator and water filters in parallel have been set gradually.By the setting of this cooling water system, Generator Stator Cooling water system (including generator stator bar) full water service requirement is realized；Under generating set accidental conditions, prevents generator stator bar etc. and empty aqueous condition occur, and greatly improve the reliability of generating set safe operation.
Description
Technical field
The utility model relates to a kind of Generator Stator Cooling water systems run using high water tank, and it is cold to belong to generator
But technical field.
Background technique
The cooling water system of Water hydrogen type stator of steam turbine generator generally uses the intermediate water tank method of operation at present, and high
Position the water tank method of operation using less.When using the intermediate water tank method of operation, usually by intermediate water tank and stator cooling water system
Other capital equipments and connecting pipe of system are integrated in together on stator cooling water collection assembling device, and there are following for such design
Problem:
One, since stator cooling water integrates installation site of the assembling device in power plant, steam turbine workshop as middle layer or bottom, and
Generator is installed on firing floor, and the water tank installed height mark collected on assembling device is caused to be consistently lower than generator.Therefore, cooling in stator
The initial water-filling stage of water system is only capable of for water tank and part system pipeline being filled with water to certain liquid level in advance, and can not mark installation
Stator cooling water pipeline and generator unit stator hollow winding bar of the height more than tank center are full of water.When generating set operates normally
When, once the water circulating apparatus of Stator Condense Water System stops working because of catastrophic failure, in generator unit stator hollow winding bar
Recirculated cooling water can interrupt at once, and then the empty water state in part is formed in hollow winding bar, if system cooling water circulation fails quickly
Restore, generator hollow winding bar is very likely burnt because temperature rise is excessively high, is occurred so as to cause the great interruption of service of generator.
Two, the water tank on stator cooling water collection assembling device is as the main water storage apparatus for mentioning watering cycle, and water storage holds
Product should meet the requirement of total system circular flow, thus need to be arranged the sufficiently large intermediate water tank of volume, and manufacturing cost is higher, peace
Dress is also inconvenient.
Summary of the invention
The utility model overcomes the shortcomings of the prior art, and proposes a kind of generator run using high water tank
Stator Condense Water System.By the setting of this high water tank, Generator Stator Cooling water system (including generator unit stator line is realized
Stick) full water service requirement；Under generating set accidental conditions, prevents generator stator bar and empty aqueous condition occur, greatly
Improve the reliability of generating set safe operation in ground.
In order to achieve the above technical purposes, the following technical solution is proposed:
A kind of Generator Stator Cooling water system run using high water tank, including high water tank, water pump, water are cooling
Device, temperature regulator, water filter, ion-exchanger, air-leakage detector and vacuum pump,
High water tank is arranged at the top of generator pit by erection support, and high water tank is connected with exhaust manifold trunk and a high position
Radiator drain, generator are connected with generator water inlet manifold and generator total outlet pipe, and exhaust manifold trunk is always intake with generator
Pipe connection, high water tank outlet pipe is connect with generator total outlet pipe, between generator total outlet pipe and generator water inlet manifold
For cooling water supervisor, water cooler, the water temperature that two water pump, the Liang Tai being arranged in parallel are arranged in parallel are equipped in cooling water supervisor
Regulating valve and water filter；
Generator is also connected with generator lead-out wire and neutral side cooling water outlet pipe, and generator lead-out wire and neutral side are cooling
Water outlet pipe is connect with generator total outlet pipe；
The cooling water supervisor in water filter exit is equipped with branch aqueduct, branch aqueduct and ion-exchanger import
Connection, ion-exchanger outlet is responsible for by the cooling water at branch outlet pipe and unit fixed on water pump suction to be connected；
Branch water supply pipe is connected on branch aqueduct, branch water supply pipe is connected to power plant's demineralized water distribution system by water supply pipe
System；
High water tank is also connected with Leakage inspection pipe, and Leakage inspection pipe is equipped with gas bleeder valve and gas leaks
Detector, Leakage inspection pipe are connected to gas bleeder valve import, and gas is released valve outlet and air-leakage detector import
Connection, air-leakage detector outlet are equipped with evacuated tube, and evacuated tube extends to outside workshop；Two are also connected on Leakage inspection pipe
Branch, a branch are connected to power plant's nitrogen supply (NS) system, and another branch is connected to vacuum pump inlet, and vacuum pump outlet is equipped with
Evacuated tube, evacuated tube extend to outside workshop.
System is further refined and is provided that
The erection support of the high water tank is elastic support, and the generator under operating condition is effectively avoided to generate base shake
It is dynamic, and water tank is adversely affected.
In all kinds of connecting tubes outside the high water tank, such as: exhaust manifold trunk and high water tank outlet pipe, because of stringing
Limited space is not easy to carry out the interface of stereoplasm tube connection, and non-rigid expansion connecting tube is used to complete appropriateness deformation connection.
The high water tank is equipped with leve monitor, and leve monitor includes magnetic turning plate formula liquidometer, fluid level transmitter
And redundance type liquid-level switch, magnetic turning plate formula liquidometer realize that liquid level observing on the spot, fluid level transmitter send out 4~20mA remote monitoring
Signal, redundance type liquid-level switch realize the teletransmission of liquid level overload alarm.
Setting automatic water supplement circuit on the high water tank, automatic water supplement circuit include water supply pipe and are arranged on water supply pipe
Water supply solenoid valve, water supply pipe one end connect with power plant's desalination water distribution system, and the other end is connect with high water tank.When high-order water
When case liquid level is lower than limit value, water supply solenoid valve would automatically turn on and connect water supply pipe, the moisturizing into water tank, it is ensured that high water tank exists
Unit is able to maintain during running in normal level.
It is provided with pipeline air exhaust water on the high water tank and collects interface, pipeline air exhaust water collects interface and exhaust manifold trunk connects
It connects, the gas collection that may be retained in all kinds of connecting tubes is by exhaust manifold trunk, by water flow with pressure, brings high-order water by water circulation
The water route of cooling system is sufficiently vented by case, to provide the necessary condition of Stator Condense Water System stable operation.
The generator water inlet manifold is equipped with restricting orifice.
In all kinds of connecting tubes, valve can be set according to actual needs.
Generator primary structure includes stator (including stator bar), rotor and generator pit.
All kinds of connecting tubes include: to be vented manifold trunk, high water tank outlet pipe, generator total outlet pipe, generator always to intake
Pipe, generator lead-out wire and neutral side cooling water outlet pipe, water supply pipe, branch water supply pipe, branch aqueduct, branch outlet pipe and
Evacuated tube etc..
Using the utility model, bring advantageous effects are as follows:
1) this high position cooling water system is used, realizes that Generator Stator Cooling water system (including generator stator bar) is full
Water running requirement；Under generating set accidental conditions, prevent occur empty aqueous condition in generator unit stator hollow winding bar, and keeps away
The major accident for exempting from that generator hollow winding bar overheat is caused even to be burnt occurs, and greatly improves generating set safe operation
Reliability；
2) the high water tank fluid level transmitter in the utility model and redundance type liquid-level switch are all made of independent top-insertion type peace
Dress mode avoids and ties up formula transmitter and switch outside original liquidometer by the problem of float situation is influenced in liquidometer, mentions
The high reliability of high water tank monitoring；
3) in the present invention, the setting of water supply pipe, water supply solenoid valve guarantees the reality of high water tank automatic water supplement function
It is existing, which is set, generating set is effectively avoided to cause to flow because of the improper dehydration of system
Too low, and final caused chaser accident is measured, the self-shield ability of unit is promoted, avoids causing power plant unnecessary chaser damage
It loses；
4) in the present invention, pipeline air exhaust water is set on high water tank and collects interface, will may be retained everywhere in pipeline
Gas collection high water tank is brought by water circulation, by cooling system recirculated water and by water flow with pressure by exhaust manifold trunk
Road is sufficiently vented, without forming barometric disturbance, to guarantee operation pressure stabilization in Stator Condense Water System circulation waterway；
5) elastic support structure in the present invention, is used at the load fulcrum of water tank erection support, is effectively avoided
Base vibration under generator operation state may be influenced caused by water tank.
Detailed description of the invention
Fig. 1 is the principles of the present invention flow chart
Fig. 2 is high water tank scheme of installation in the utility model
Fig. 3 is elastic bearing structure illustration in the utility model
Fig. 4 is that connecting tube schematic diagram is expanded in the utility model
In figure, 1, generator, 2, high water tank, 3, water cooler, 4, generator total outlet pipe, 5, generator always intakes
Pipe, 6, generator lead-out wire and neutral side cooling water outlet pipe, 7, water pump, 8, temperature regulator, 9, water filter, 10, exhaust
Manifold trunk, 11, high water tank outlet pipe, 12, ion-exchanger, 13, water supply pipe, 14, water supply solenoid valve, 15, branch aqueduct,
16, branch outlet pipe, 17, Leakage inspection pipe, 18, vacuum pump, 19, air-leakage detector, 20, nitrogen inlet duct, 21,
Gas bleeder valve, 22, leve monitor, 23, restricting orifice, 24, valve, 25, branch water supply pipe, 26, elastic support, 27, swollen
Expanded joint adapter tube.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment be only the utility model a part of the embodiment, instead of all the embodiments.Based on the reality in the utility model
Example is applied, all other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the range of the utility model protection.
Embodiment 1
It is as shown in Figs. 1-2: a kind of 1 Stator Condense Water System of generator run using high water tank 2, including high water tank
2, water pump 7, water cooler 3, temperature regulator 8, water filter 9, ion-exchanger 12, air-leakage detector 19 and vacuum pump
18,
High water tank 2 is arranged at the top of 1 base of generator by erection support, and high water tank 2 is connected with exhaust manifold trunk 10
With high water tank outlet pipe 11, generator 1 is connected with generator water inlet manifold 5 and generator total outlet pipe 4, exhaust manifold trunk 10 with
Generator water inlet manifold 5 connects, and high water tank outlet pipe 11 is connect with generator total outlet pipe 4, generator total outlet pipe 4 and hair
It is responsible between motor water inlet manifold 5 for cooling water, in cooling water, supervisor is equipped with two water pumps being arranged in parallel, 7, two parallel connections
Water cooler 3, temperature regulator 8 and the water filter 9 of setting；
Generator 1 is also connected with generator lead-out wire and neutral side cooling water outlet pipe 6, and generator lead-out wire and neutral side are cold
But water outlet pipe 6 is connect with generator total outlet pipe 4；
The cooling water supervisor in 9 exit of water filter is equipped with branch aqueduct 15, branch aqueduct 15 and ion exchange
12 import of device connection, the outlet of ion-exchanger 12 are responsible for by branch outlet pipe 16 and the cooling water of 7 entrance of water pump and are connected；
Branch water supply pipe 25 is connected on branch aqueduct 15, branch water supply pipe 25 is connected to power plant's desalination by water supply pipe 13
Water distribution system；
High water tank 2 is also connected with Leakage inspection pipe 17, and Leakage inspection pipe 17 is equipped with 21 He of gas bleeder valve
Air-leakage detector 19, Leakage inspection pipe 17 are connected to 21 import of gas bleeder valve, the outlet of gas bleeder valve 21 and gas
19 import of body leakage detector connection, the outlet of air-leakage detector 19 are equipped with evacuated tube, and evacuated tube extends to outside workshop；Gas
Two branches are also connected on leak detection pipe 17, a branch is connected to power plant's nitrogen supply (NS) system, and another branch is connected to very
Sky 18 imports of pump, the outlet of vacuum pump 18 are equipped with evacuated tube, and evacuated tube extends to outside workshop.
Embodiment 2
It is further on the basis of embodiment 1:
The erection support of the high water tank 2 is that elastic support 26(is as shown in Figure 3), effectively avoid the hair under operating condition
Motor 1 generates base vibration, and adversely affects to water tank.
In all kinds of connecting tubes outside the high water tank 2, such as: exhaust manifold trunk 10 and high water tank outlet pipe 11,
It because of stringing limited space, is not easy to carry out the interface of stereoplasm tube connection, and uses non-rigid expansion connecting tube 27(as shown in Figure 4)
Complete appropriateness deformation connection.
Embodiment 3
It is further on the basis of embodiment 1-2:
The high water tank 2 is equipped with leve monitor 22, and leve monitor 22 includes magnetic turning plate formula liquidometer, liquid level change
Device and redundance type liquid-level switch are sent, magnetic turning plate formula liquidometer realizes that liquid level observing on the spot, fluid level transmitter send out the distant place 4~20mA
Monitoring signal, redundance type liquid-level switch realize the teletransmission of liquid level overload alarm.
Setting automatic water supplement circuit on the high water tank 2, automatic water supplement circuit include water supply pipe 13 and are arranged in moisturizing
Water supply solenoid valve 14 on pipe 13,13 one end of water supply pipe are connect with power plant's desalination water distribution system, and the other end and high water tank 2 connect
It connects.When 2 liquid level of high water tank is lower than limit value, water supply solenoid valve 14 would automatically turn on and connect water supply pipe 13, mend into water tank
Water, it is ensured that high water tank is able to maintain during unit is run in normal level.
It is provided with pipeline air exhaust water on the high water tank 2 and collects interface, pipeline air exhaust water collects interface and exhaust manifold trunk 10
It connects, the gas collection that may be retained in all kinds of connecting tubes is by exhaust manifold trunk 10, by water flow with pressure, brings height by water circulation
Position water tank 2, the water route of cooling system is sufficiently vented, to provide the necessary condition of Stator Condense Water System stable operation.
Embodiment 4
It is further on the basis of embodiment 1-3:
The generator water inlet manifold 5 is equipped with restricting orifice 23.
In all kinds of connecting tubes, valve 24 can be set according to actual needs.
1 primary structure of generator includes 1 base of stator (including stator bar), rotor and generator.
Claims (6)
1. it is a kind of using high water tank run Generator Stator Cooling water system, it is characterised in that: including high water tank (2),
Water pump (7), water cooler (3), temperature regulator (8), water filter (9), ion-exchanger (12), air-leakage detector
(19) and vacuum pump (18),
High water tank (2) is arranged at the top of generator (1) base by erection support, and high water tank (2) is connected with exhaust manifold trunk
(10) and high water tank outlet pipe (11), generator (1) are connected with generator water inlet manifold (5) and generator total outlet pipe (4), row
Gas manifold trunk (10) is connect with generator water inlet manifold (5), and high water tank outlet pipe (11) and generator total outlet pipe (4) are even
It connects, is responsible between generator total outlet pipe (4) and generator water inlet manifold (5) for cooling water, supervisor is equipped with two in cooling water
Water pump (7) that platform is arranged in parallel, two water cooler (3), temperature regulator (8) and the water filters (9) being arranged in parallel；
Generator (1) is also connected with generator lead-out wire and neutral side cooling water outlet pipe (6), and generator lead-out wire and neutral side are cold
But water outlet pipe (6) is connect with generator total outlet pipe (4)；
The cooling water supervisor in water filter (9) exit is equipped with branch aqueduct (15), and branch aqueduct (15) and ion are handed over
Parallel operation (12) import connection, ion-exchanger (12) outlet pass through the cooling water of branch outlet pipe (16) and water pump (7) entrance
Supervisor's connection；
It is connected on branch aqueduct (15) branch water supply pipe (25), branch water supply pipe (25) is connected to power plant by water supply pipe (13)
Desalination water distribution system；
High water tank (2) is also connected with Leakage inspection pipe (17), and Leakage inspection pipe (17) is equipped with gas bleeder valve
(21) and air-leakage detector (19), Leakage inspection pipe (17) are connected to gas bleeder valve (21) import, and gas is released
Valve (21) outlet is connect with air-leakage detector (19) import, and air-leakage detector (19) outlet is equipped with evacuated tube, emptying
Pipe extends to outside workshop；Two branches are also connected on Leakage inspection pipe (17), a branch is connected to power plant's nitrogen supply (NS)
System, another branch are connected to vacuum pump (18) import, and vacuum pump (18) outlet is equipped with evacuated tube, and evacuated tube extends to workshop
Outside.
2. the Generator Stator Cooling water system according to claim 1 run using high water tank, it is characterised in that: institute
The erection support for stating high water tank (2) is elastic support (26).
3. the Generator Stator Cooling water system according to claim 1 run using high water tank, it is characterised in that: institute
High water tank (2) are stated equipped with leve monitor (22), leve monitor (22) includes magnetic turning plate formula liquidometer, fluid level transmitter
And redundance type liquid-level switch.
4. the Generator Stator Cooling water system according to claim 1 run using high water tank, it is characterised in that: institute
Setting automatic water supplement circuit on high water tank (2) is stated, automatic water supplement circuit includes water supply pipe (13) and is arranged in water supply pipe (13)
On water supply solenoid valve (14), water supply pipe (13) one end connect with power plant's desalination water distribution system, the other end and high water tank (2)
Connection.
5. the Generator Stator Cooling water system according to claim 1 run using high water tank, it is characterised in that: institute
It states and is provided with pipeline air exhaust water on high water tank (2) and collects interface, pipeline air exhaust water collects interface and connect with exhaust manifold trunk (10).
6. the Generator Stator Cooling water system according to claim 1 run using high water tank, it is characterised in that: institute
Generator water inlet manifold (5) are stated equipped with restricting orifice (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821602887.1U CN208849630U (en) | 2018-09-29 | 2018-09-29 | A kind of Generator Stator Cooling water system run using high water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821602887.1U CN208849630U (en) | 2018-09-29 | 2018-09-29 | A kind of Generator Stator Cooling water system run using high water tank |
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|---|---|
| CN208849630U true CN208849630U (en) | 2019-05-10 |
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ID=66374790
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| CN201821602887.1U Active CN208849630U (en) | 2018-09-29 | 2018-09-29 | A kind of Generator Stator Cooling water system run using high water tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431347A (en) * | 2020-02-20 | 2020-07-17 | 华电电力科学研究院有限公司 | Rotor cooling water system and start-stop control method thereof |
| CN113218447A (en) * | 2021-04-29 | 2021-08-06 | 中汽研汽车检验中心（天津）有限公司 | Oil level self-balancing test equipment for oil-cooled motor test |
-
2018
- 2018-09-29 CN CN201821602887.1U patent/CN208849630U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431347A (en) * | 2020-02-20 | 2020-07-17 | 华电电力科学研究院有限公司 | Rotor cooling water system and start-stop control method thereof |
| CN111431347B (en) * | 2020-02-20 | 2021-11-16 | 华电电力科学研究院有限公司 | Rotor cooling water system and start-stop control method thereof |
| CN113218447A (en) * | 2021-04-29 | 2021-08-06 | 中汽研汽车检验中心（天津）有限公司 | Oil level self-balancing test equipment for oil-cooled motor test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190516 Address after: 618000 No. 18, Third Section of Lushan South Road, Deyang City, Sichuan Province Co-patentee after: Dongfang Electric Group Dongfang Motor Co., Ltd. Patentee after: Dongfang Electric Automatic Control Engineering Co., Ltd. Address before: 618000 No. 138 Jialing Jiangxi Road, Jingyang District, Deyang City, Sichuan Province Co-patentee before: Dongfang Electric Group Dongfang Motor Co., Ltd. Patentee before: DFEM Control Equipment Co., Ltd. |
|
| TR01 | Transfer of patent right |