CN208073567U - A kind of system of turbine high-pressure blocking module safety on line experiment - Google Patents
A kind of system of turbine high-pressure blocking module safety on line experiment Download PDFInfo
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- CN208073567U CN208073567U CN201820489023.7U CN201820489023U CN208073567U CN 208073567 U CN208073567 U CN 208073567U CN 201820489023 U CN201820489023 U CN 201820489023U CN 208073567 U CN208073567 U CN 208073567U
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Abstract
The utility model is related to steam turbine field, especially a kind of system of turbine high-pressure blocking module safety on line experiment.It includes high pressure blocking module, high pressure fireresistant oil pressure oil circuit, removes each servomotor safety oil-way, goes preceding case safety oil-way and oil return box, high pressure blocking module respectively with high pressure fireresistant oil pressure oil circuit, go each servomotor safety oil-way to connect, high pressure blocking module is also connected with oil return box through pipeline, each servomotor safety oil-way is gone also to be connect with preceding case safety oil-way is removed, the system further includes isolating device module, and isolating device module is set to high pressure fireresistant oil pressure oil circuit, removes each servomotor safety oil-way, goes on preceding case safety oil-way.It is by adding isolating device module; coordinate high pressure blocking module to carry out dual partition to Anti-fuel Oil System, improve the safety coefficient of high pressure blocking module test, convenient for the failure of on-line maintenance high pressure blocking module; to ensure unit safety operation, production efficiency is improved.
Description
Technical field
The utility model is related to steam turbine field, especially a kind of turbine high-pressure blocking module safety on line experiment is
System.
Background technology
Steam turbine is the rotary power machinery that the energy of steam is converted into mechanical work, may be used as the original of power generation
Motivation also can directly drive various pumps, wind turbine, compressor etc..It needs to use in the production process using steam turbine
Turbine high-pressure blocking module is protected, and carries out maintenance and repair to system where steam turbine, while unit tripping being avoided to cause
Idle cost.Generation current factory crisis warning system mesohigh interdicts module test high failure rate, is carried out during unit operation high
Cause unit tripping accident case more when pressing blocking test, so that most power plant are not online into horizontal high voltage blocking module examination
It tests.Once high pressure interrupting system component breaks down, when unit operation can not isolation processing, can only apply for that shutdown is handled,
Greatly endanger unit safety.As shown in Figure 1, existing high pressure blocking module be by high pressure fireresistant oil pressure oil circuit directly with it is anti-
Fuel system is connected, and Anti-fuel Oil System plays fuel feeding, once there is solenoid valve bite, damages, burns in high pressure blocking module
And the defects of blocked primary orifice, it is impossible to which the effectively pressure oil of partition high pressure endangers the safe operation of unit, and cannot be
It is repaired in unit operation, and when doing high pressure blocking in thread test, often since above-mentioned failure cause causes unit to jump
Machine causes damages to stop work.
Utility model content
The purpose of the utility model is to provide a kind of systems of turbine high-pressure blocking module safety on line experiment, lead to
It crosses and adds isolating device module, cooperation high pressure blocking module carries out dual partition to Anti-fuel Oil System, improves high pressure and interdicts module
The safety coefficient of experiment improves production convenient for the failure of on-line maintenance high pressure blocking module to ensure unit safety operation
Efficiency.
In order to solve the above technical problems, the utility model adopts the following technical scheme：
A kind of system of turbine high-pressure blocking module safety on line experiment, including high pressure blocking module, high pressure fireresistant oil
Pressure oil circuit, remove each servomotor safety oil-way, go before case safety oil-way and oil return box, the high pressure blocking module respectively with high pressure
Fire resistant oil pressure oil circuit goes each servomotor safety oil-way to connect, and the high pressure blocking module is also connected with oil return box through pipeline, institute
It states each servomotor safety oil-way also to connect with preceding case safety oil-way is removed, which further includes isolating device module, the isolation
Apparatus module is set to high pressure fireresistant oil pressure oil circuit, removes each servomotor safety oil-way, goes on preceding case safety oil-way.
The system of turbine high-pressure blocking module safety on line experiment above-mentioned, the isolating device module includes pressure oil
Entrance door and Safety oil outlet portal, the pressure oil entrance door are set to high pressure fireresistant oil pressure oil road, Safety oil outlet portal
It is set on each servomotor safety oil-way.
The system of turbine high-pressure blocking module safety on line experiment above-mentioned, the pressure oil entrance door includes pressure gauge
A, ball valve A, electro-hydraulic reversing valve A and pressure gauge B, the pressure gauge A, ball valve A, electro-hydraulic reversing valve A, pressure gauge B are along pressure oil stream
Logical direction is sequentially arranged on high pressure fireresistant oil pressure oil road, and the electro-hydraulic reversing valve A is also connect through pipeline with oil return box.
The system of turbine high-pressure blocking module safety on line experiment above-mentioned, the Safety oil outlet portal include that pressure becomes
Send device, pressure gauge C, electro-hydraulic reversing valve B, ball valve B, pressure gauge D and pressure switch, it is the pressure transmitter, pressure gauge C, electro-hydraulic
Reversal valve B, ball valve B, pressure gauge D and pressure switch are sequentially arranged along Safety oil circulating direction and are removing each servomotor safety oil-way
On, the electro-hydraulic reversing valve B is also connect through pipeline with oil return box.
The system of turbine high-pressure blocking module safety on line experiment above-mentioned, the isolating device module further includes repairing
Pipeline A and repairing ball valve, the repairing pipeline A are connected to the both ends of pressure oil entrance door, benefit are provided on the repairing pipeline A
Oily ball valve.
The system of turbine high-pressure blocking module safety on line experiment above-mentioned, it is described to remove preceding case safety oil-way and remove each oil
Motivation safety oil-way connects, and tie point is on the pipeline between pressure gauge D and pressure switch.
The system of turbine high-pressure blocking module safety on line experiment above-mentioned, the isolating device module further includes repairing
Pipeline B and throttle orifice, it is described to go preceding case safety oil-way through repairing pipeline B and high pressure fireresistant oil pressure oil circuit connection, connect point
In on the pipeline of pressure oil feed pressure oil-in in front of the door, throttle orifice is provided on the repairing pipeline B.
The system of turbine high-pressure blocking module safety on line experiment above-mentioned, the aperture of the throttle orifice is 3mm.
Compared with prior art, the utility model is beneficial in that：
1) the utility model is by providing a kind of system of turbine high-pressure blocking module safety on line experiment, by adding
Isolating device module, cooperation high pressure blocking module carry out dual partition to Anti-fuel Oil System, to improve high pressure blocking module examination
The safety coefficient tested, to ensure unit safety operation, improves production effect convenient for the failure of on-line maintenance high pressure blocking module
Rate.
2) unicom is carried out by case safety oil-way before removing each servomotor safety oil-way and going, makes unit in experimentation
In, there are abnormal conditions, can still pass through servomotor quick closing valve solenoid valve, manual shut-down mechanism, machine down time electromagnet and flying barrel
(flyball) realizes multiple redundancy protection, will not cause unit driving.
3) it due to increasing repairing pipeline, utmostly avoids after maintenance, it may when opening isolating device module
The instantaneous loss of pressure of appearance causes unit safety oil pressure fluctuation, to reduce the risk of system failure.
Description of the drawings
Fig. 1 is the system structure diagram of turbine high-pressure blocking module safety on line experiment；
Fig. 2 is the structural schematic diagram of the utility model.
The meaning of reference numeral：1- high pressures interdict module, 2- high pressure fireresistant oil pressure oil circuits, and 3- removes each servomotor Safety oil
Road, case safety oil-way, 5- oil return boxes, 6- isolating device modules, 7- pressure oil entrance doors, 8- Safety oil outlet portals, 9- before 4- is gone
Pressure gauge A, 10- ball valve A, 11- electro-hydraulic reversing valve A, 12- pressure gauge B, 13- pressure transmitter, 14- pressure gauges C, 15- is electro-hydraulic to be changed
To valve B, 16- ball valves B, 17- pressure gauge D, 18- pressure switch, 19- repairing pipeline A, 20- repairing ball valves, 21- repairing pipeline B,
22- throttle orifices.
The utility model is further described with reference to the accompanying drawings and detailed description.
Specific implementation mode
The embodiments of the present invention 1：A kind of system of turbine high-pressure blocking module safety on line experiment, such as Fig. 2 institutes
Show, including high pressure interdicts module 1, high pressure fireresistant oil pressure oil circuit 2, removes each servomotor safety oil-way 3, removes preceding case safety oil-way 4
With oil return box 5, high pressure blocking module 1 respectively with high pressure fireresistant oil pressure oil circuit 2, go each servomotor safety oil-way 3 to connect,
The high pressure blocking module 1 is described that preceding case safety oil-way 4 is gone also to pacify with each servomotor is removed also through being connected with oil return box 5 through pipeline
Full oil circuit 3 connects, which further includes isolating device module 6, and the isolating device module 6 is set to high pressure fireresistant oil pressure oil
Road 2 removes each servomotor safety oil-way 3, goes on preceding case safety oil-way 4.
The isolating device module 6 includes pressure oil entrance door 7 and Safety oil outlet portal 8, and the pressure oil entrance door 7 is set
It is placed on high pressure fireresistant oil pressure oil circuit 2, Safety oil outlet portal 8 is set on each servomotor safety oil-way 3.The pressure oil
Entrance door 7 includes pressure gauge A9, ball valve A10, electro-hydraulic reversing valve A11 and pressure gauge B12, the pressure gauge A9, ball valve A10, electricity
Liquid reversal valve A11, pressure gauge B12 are sequentially arranged along pressure oil circulating direction on high pressure fireresistant oil pressure oil circuit 2, described electro-hydraulic
Reversal valve A11 is also connect through pipeline with oil return box 5.The Safety oil outlet portal 8 includes pressure transmitter 13, pressure gauge C14, electricity
Liquid reversal valve B15, ball valve B16, pressure gauge D17 and pressure switch 18, the pressure transmitter 13, pressure gauge C14, electro-hydraulic commutation
Valve B15, ball valve B16, pressure gauge D17 and pressure switch 18 are sequentially arranged along Safety oil circulating direction and are removing each servomotor Safety oil
On road 3, the electro-hydraulic reversing valve B15 is also connect through pipeline with oil return box 5.
Described that preceding case safety oil-way 4 is gone to be connect with each servomotor safety oil-way 3 is removed, tie point is located at pressure gauge D17 and pressure
On pipeline between power switch 18.
Embodiment 2：A kind of system of turbine high-pressure blocking module safety on line experiment, as shown in Fig. 2, being hidden including high pressure
Disconnected module 1, high pressure fireresistant oil pressure oil circuit 2 remove each servomotor safety oil-way 3, go preceding case safety oil-way 4 and oil return box 5, described
High pressure blocking module 1 respectively with high pressure fireresistant oil pressure oil circuit 2, go each servomotor safety oil-way 3 connect, high pressure blocking mould
Block 1 is also connected with oil return box 5 through pipeline, and described that preceding case safety oil-way 4 is gone also to be connect with each servomotor safety oil-way 3 is removed, this is
System further includes isolating device module 6, and the isolating device module 6 is set to high pressure fireresistant oil pressure oil circuit 2, each servomotor is gone to pacify
Full oil circuit 3 is gone on preceding case safety oil-way 4.
The isolating device module 6 includes pressure oil entrance door 7 and Safety oil outlet portal 8, and the pressure oil entrance door 7 is set
It is placed on high pressure fireresistant oil pressure oil circuit 2, Safety oil outlet portal 8 is set on each servomotor safety oil-way 3.The pressure oil
Entrance door 7 includes pressure gauge A9, ball valve A10, electro-hydraulic reversing valve A11 and pressure gauge B12, the pressure gauge A9, ball valve A10, electricity
Liquid reversal valve A11, pressure gauge B12 are sequentially arranged along pressure oil circulating direction on high pressure fireresistant oil pressure oil circuit 2, described electro-hydraulic
Reversal valve A11 is also connect through pipeline with oil return box 5.The Safety oil outlet portal 8 includes pressure transmitter 13, pressure gauge C14, electricity
Liquid reversal valve B15, ball valve B16, pressure gauge D17 and pressure switch 18, the pressure transmitter 13, pressure gauge C14, electro-hydraulic commutation
Valve B15, ball valve B16, pressure gauge D17 and pressure switch 18 are sequentially arranged along Safety oil circulating direction and are removing each servomotor Safety oil
On road 3, the electro-hydraulic reversing valve B15 is also connect through pipeline with oil return box 5.
Described that preceding case safety oil-way 4 is gone to be connect with each servomotor safety oil-way 3 is removed, tie point is located at pressure gauge D17 and pressure
On pipeline between power switch 18.
The isolating device module 6, further includes repairing pipeline A19 and repairing ball valve 20, and the repairing pipeline A19 is connected to
The both ends of pressure oil entrance door 7 are provided with repairing ball valve 20 on the repairing pipeline A19.
The isolating device module 6, further includes repairing pipeline B21 and throttle orifice 22, it is described go before case safety oil-way 4 through mending
Oil pipe line B21 is connect with high pressure fireresistant oil pressure oil circuit 2, and tie point is located at the pipeline before pressure oil feed pressure oil-in door 7
On, throttle orifice 22 is provided on the repairing pipeline B21, the aperture of the throttle orifice 22 is 3mm.
The operation principle of the utility model：Existing high pressure blocking module 1 as shown in Figure 1, high pressure blocking module 1 respectively with
High pressure fireresistant oil pressure oil circuit 2 removes each servomotor safety oil-way 3, preceding case safety oil-way 4 is gone to connect, and being connected with back through pipeline
Fuel tank 5, existing high pressure blocking module 1 be directly connect with Anti-fuel Oil System by high pressure fireresistant oil pressure oil circuit 2, once
There is the solenoid valve bite in high pressure blocking module 1, damages, burns and the defects of blocked primary orifice, it cannot be in unit operation
Middle repair endangers the safe operation of unit, and when doing high pressure blocking in thread test, often since above-mentioned failure cause causes
Unit chaser.The utility model is by adding isolating device module 6 on the basis of existing high pressure interdicts module 1, and cooperation is high
Pressure blocking module 1 carries out dual partition to Anti-fuel Oil System, the safety coefficient of high pressure blocking module test is improved, convenient for not shutting down
Examination and repair for high-pressure interdicts the failure of module 1, to ensure unit safety operation, improves production efficiency.Under normal operating conditions, isolation
Ball valve A10, the ball valve B16 of apparatus module 6 are opened, and electro-hydraulic reversing valve A11 and electro-hydraulic reversing valve B15 dead electricity, repairing ball valve 20 close
Close, at this time high pressure fireresistant oil pressure oil circuit 2, remove each servomotor safety oil-way 3 and the fluid normal stream before going in case safety oil-way 4
It is logical.When high pressure blocking module 1 works abnormal, situations such as oil pressure is abnormal, oily external leakage, occurs, and oil pressure is reduced to pressure transmitter
When 13 preset numerical value, trigger switch, the electro-hydraulic reversing valve A11 and electro-hydraulic reversing valve B15 of isolating device module 6 are led to
Electricity, high pressure fireresistant oil pressure oil circuit 2 remove each servomotor safety oil-way 3 and preceding 4 oil circuit of case safety oil-way are gone to be separated, and then close
Ball valve A10 and ball valve B16 are closed, the oil pressure of pressure gauge A9 and pressure gauge D17 reading are normal at this time, pressure gauge B12 and pressure gauge C14
Reading is 0, illustrate at this time reliable isolation high pressure oil and high pressure blocking module 1, at this time can to the failure of high pressure blocking module 1 into
Row safety on line overhauls.Since case safety oil-way 4 will have carried out unicom before removing each servomotor safety oil-way 3 and going, work as machine
In group experimentation, there are abnormal conditions, can still pass through servomotor quick closing valve solenoid valve, manual shut-down mechanism, machine down time electromagnetism
Iron and flying barrel (flyball) realize multiple redundancy protection, will not cause unit driving.When high pressure interdicts the troubleshooting of module 1
Afterwards, electro-hydraulic reversing valve A11 and the electro-hydraulic reversing valve B15 power-off for first giving isolating device module 6, open ball valve A10 and ball valve B16,
Repairing ball valve 20 is finally closed, pressure gauge A9, pressure gauge B12, pressure gauge C14 and pressure gauge D17 oil pressure reading are normal at this time, then
Working state of system is normal, and maintenance finishes.Due to increasing repairing pipeline A19 and repairing pipeline B21, utmostly avoid examining
After repairing, the instantaneous loss of pressure being likely to occur when isolating device module is opened, causes unit safety oil pressure fluctuation, to reduce
The risk that system breaks down.
Claims (8)
1. a kind of system of turbine high-pressure blocking module safety on line experiment, including high pressure blocking module (1), high pressure fireresistant oil
Pressure oil circuit (2) goes each servomotor safety oil-way (3), preceding case safety oil-way (4) and oil return box (5), the high pressure is gone to interdict mould
Block (1) respectively with high pressure fireresistant oil pressure oil circuit (2), go each servomotor safety oil-way (3) to connect, the high pressure interdicts module
(1) it also is connected with oil return box (5) through pipeline, it is described that each servomotor safety oil-way (3) is gone also to connect with preceding case safety oil-way (4) is removed
It connects, which is characterized in that further include isolating device module (6), the isolating device module (6) is set to high pressure fireresistant oil pressure oil
Road (2) goes each servomotor safety oil-way (3), goes on preceding case safety oil-way (4).
2. the system of turbine high-pressure blocking module safety on line experiment according to claim 1, which is characterized in that described
Isolating device module (6) includes pressure oil entrance door (7) and Safety oil outlet portal (8), and the pressure oil entrance door (7) is set to
On high pressure fireresistant oil pressure oil circuit (2), Safety oil outlet portal (8) is set on each servomotor safety oil-way (3).
3. the system of turbine high-pressure blocking module safety on line experiment according to claim 2, which is characterized in that described
Pressure oil entrance door (7) includes pressure gauge A (9), ball valve A (10), electro-hydraulic reversing valve A (11) and pressure gauge B (12), the pressure
Table A (9), ball valve A (10), electro-hydraulic reversing valve A (11), pressure gauge B (12) are sequentially arranged anti-in high pressure along pressure oil circulating direction
On fuel pressure oil circuit (2), the electro-hydraulic reversing valve A (11) also connect through pipeline with oil return box (5).
4. the system of turbine high-pressure blocking module safety on line experiment according to claim 2, which is characterized in that described
Safety oil outlet portal (8) includes pressure transmitter (13), pressure gauge C (14), electro-hydraulic reversing valve B (15), ball valve B (16), pressure
Table D (17) and pressure switch (18), the pressure transmitter (13), pressure gauge C (14), electro-hydraulic reversing valve B (15), ball valve B
(16), pressure gauge D (17) and pressure switch (18) are sequentially arranged along Safety oil circulating direction is going each servomotor safety oil-way (3)
On, the electro-hydraulic reversing valve B (15) also connect through pipeline with oil return box (5).
5. the system of turbine high-pressure blocking module safety on line experiment according to claim 2, which is characterized in that described
Isolating device module (6) further includes repairing pipeline A (19) and repairing ball valve (20), and the repairing pipeline A (19) is connected to pressure
The both ends of oil-in door (7) are provided with repairing ball valve (20) on the repairing pipeline A (19).
6. the system of turbine high-pressure blocking module safety on line experiment according to claim 4, which is characterized in that described
Case safety oil-way (4) is connect with each servomotor safety oil-way (3) is gone before going, and tie point is located at pressure gauge D (17) and pressure switch
(18) on the pipeline between.
7. the system of turbine high-pressure blocking module safety on line experiment according to claim 2, which is characterized in that described
Isolating device module (6) further includes repairing pipeline B (21) and throttle orifice (22), it is described go before case safety oil-way (4) through repairing pipe
Road B (21) is connect with high pressure fireresistant oil pressure oil circuit (2), and tie point is located at the pipe before pressure oil feed pressure oil-in door (7)
On road, throttle orifice (22) is provided on the repairing pipeline B (21).
8. the system of turbine high-pressure blocking module safety on line experiment according to claim 7, which is characterized in that described
The aperture of throttle orifice (22) is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820489023.7U CN208073567U (en) | 2018-04-04 | 2018-04-04 | A kind of system of turbine high-pressure blocking module safety on line experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820489023.7U CN208073567U (en) | 2018-04-04 | 2018-04-04 | A kind of system of turbine high-pressure blocking module safety on line experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208073567U true CN208073567U (en) | 2018-11-09 |
Family
ID=64043716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820489023.7U Expired - Fee Related CN208073567U (en) | 2018-04-04 | 2018-04-04 | A kind of system of turbine high-pressure blocking module safety on line experiment |
Country Status (1)
| Country | Link |
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| CN (1) | CN208073567U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593965A (en) * | 2019-08-19 | 2019-12-20 | 北京博力威格智能传控设备有限公司 | Main valve shutoff valve group, control method thereof and steam turbine |
-
2018
- 2018-04-04 CN CN201820489023.7U patent/CN208073567U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593965A (en) * | 2019-08-19 | 2019-12-20 | 北京博力威格智能传控设备有限公司 | Main valve shutoff valve group, control method thereof and steam turbine |
| CN110593965B (en) * | 2019-08-19 | 2022-08-09 | 北京博力威格智能传控设备有限公司 | Main valve shutoff valve group, control method thereof and steam turbine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20210404 |
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| CF01 | Termination of patent right due to non-payment of annual fee |