CN206361229U - A kind of gas-liquid linked drive device suitable for main steam isolation valve - Google Patents
A kind of gas-liquid linked drive device suitable for main steam isolation valve Download PDFInfo
- Publication number
- CN206361229U CN206361229U CN201621472459.2U CN201621472459U CN206361229U CN 206361229 U CN206361229 U CN 206361229U CN 201621472459 U CN201621472459 U CN 201621472459U CN 206361229 U CN206361229 U CN 206361229U
- Authority
- CN
- China
- Prior art keywords
- drive device
- gas
- channel
- main steam
- liquid linked
- 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.)
- Active
Links
Abstract
The utility model is a kind of gas-liquid linked drive device suitable for main steam isolation valve, is specifically related to high temperature, high pressure super large caliber quick closedown（Quick closedown in 2~5s）The gas-liquid linked drive device of main steam isolation valve, belongs to mechanical field.It is included in the hydraulic module set on valve rack, electrical module, fuel tank and electrical part, gas-liquid linked drive device and valve rack integrated setting.Gas-liquid linked drive device of the present utility model and the integrated global design of valve rack progress, and using integral moduleization design, compact conformation, small volume is lightweight.
Description
Technical field
The utility model is a kind of gas-liquid linked drive device suitable for main steam isolation valve, is specifically related to height
Temperature, high pressure super large caliber quick closedown（Quick closedown in 2~5s）The gas-liquid linked drive device of main steam isolation valve, it is adaptable to
In nuclear auxiliary building on the main steam isolation valve of steam generator system (SGS) main steam pipe, belong to mechanical field.
Background technology
Main steam isolation valve is one of pressurized-water reactor nuclear power plant key equipment, carries important security function, works as generator tube
, it is necessary to fast shut-off major steam line in 5s during road break accident, so as to ensure the safety of reactor and system.Main steam is isolated
The gas-liquid linked drive device of valve is the drive device supporting to core level heavy caliber, quick closedown main steam isolation valve.
The content of the invention
The utility model mainly solves high thrust (400tf), long stroke (900mm), quick closedown drive device in 5 seconds
Overall plan is designed；To shock problems such as device, instrument and meters after quick closedown；Quick closedown driving antidetonation, noise, aging,
The technical tasks such as Flouride-resistani acid phesphatase, electromagnetic compatibility, security reliability.Ensure that the design of gas-liquid linked drive device machine product is met just
Often, it is abnormal, accident conditions ＜ 5s quick closedown abilities, and in major accident work condition environments such as damp and hot, irradiation, earthquake and dead electricity
Under reliability service.
To reach above-mentioned purpose, the technical scheme that the utility model is provided is a kind of suitable for high temperature, high pressure super large caliber
Quick closedown（Quick closedown in 2~5s）The gas-liquid linked drive device of main steam isolation valve, it, which is included on valve rack, sets
Hydraulic module, electrical module, fuel tank and the electrical part put, gas-liquid linked drive device carry out integrated setting with valve rack.
The hydraulic module includes A channel hydraulic module and channel B hydraulic module, and both are symmetricly set on valve rack
The both sides of portion's platform；The electrical module includes A channel electrical module and channel B electrical module, and both are symmetricly set on valve
The centre position of frame upper；The electrical part is set around hydraulic module and electrical module.
The side of the valve rack sets some outside energy storage tanks, one ball-type knot of the direct UNICOM of valve piston cylinder epicoele
The inside energy storing space of structure, the outside energy storage tank and the inside energy storing space UNICOM of piston upper chamber ball shape structure, internal energy storage
Space, piston cylinder epicoele and outside energy storage tank are filled with nitrogen.
Buffer structure is set on piston, and the buffer structure includes first passage through piston, the through piston shaft
Two passages and the third channel through piston shaft and outside, are closed by controlling the actual internal area of each passage to play to piston
Cushioning effect in place, i.e., gap, second channel and third channel formation one between described first passage, piston and piston rod
Individual gas passage, when the valve is closed, i.e. accumulation of energy nitrogen pressure are acted directly on piston, due to the change of each channel cross-sectional area
Change difference, the gap between piston and piston rod has compressed gas so that compressed gas withstand piston rod and moved down, it is mobile
During the gap exist always, until piston rod runs to bottom, piston gradually with plunger rod contacts, by compressed gas
Outside is discharged to, the purpose of buffering is played.
The beneficial effects of the utility model：Gas-liquid linked drive device and the integrated global design of valve rack progress, and
And using integral moduleization design, compact conformation, small volume is lightweight.
Main feature of the present utility model is as follows：
（1）High thrust (400tf), long stroke (900mm), quick closedown in 5 seconds.
（2）Gas-liquid linked drive device and the integrated global design of valve rack progress, and set using integral module
Meter, compact conformation, small volume is lightweight.
（3）Using piston and energy storage integral structure（Ball shape structure）The mode being combined with additional energy storage tank reduces whole
Body weight, center of gravity, improve the anti-seismic performance of valve.
（4）Using binary channels hydraulic pressure and control system is completely independent, that is, the requirement of single failure criteria is met, and have simultaneously
There is Redundancy Design, it is ensured that functional safety reliability.
（5）Hydraulic module is integrated, modularization, Miniaturization Design, reduces the pipeline connection between each hydraulic part, reduction
Risk of leakage, improves the sealing reliability of hydraulic part；And the volume, weight and structure of hydraulic system part are subtracted
It is small, so as to reduce the influence to main screw lift, center of gravity.
（6）Monitoring free of discontinuities to gas-liquid linked drive device is realized using digitalization test, it is ensured that to valve
Security reliability control.
（7）Buffer structure is designed, and to the impulsive force of valve when reducing quick closedown, improves the usability of drive device
Energy and reliability.
（8）Meet nuclear power station to use, reliability service under temperature, irradiation and seismic environment under accident conditions.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the utility model energy storage, accumulation of energy structural representation；
Fig. 3 is binary channels hydraulic control system configuration schematic diagram；
Fig. 4 is the utility model buffer piston structural representation；
Fig. 5 is binary channels hydraulic control system principle schematic；
Fig. 6 is the utility model control logic figure；
Fig. 7 is the utility model control panel schematic diagram；
Fig. 8 is binding post schematic diagram of the present utility model；
In figure：1st, hydraulic module, 2, electrical module, 3, outside energy storage tank, 4, electrical part, 5, valve rack, 6, fuel tank, 7,
Internal energy storing space, 8, piston cylinder epicoele, 9, A channel hydraulic module, 10, channel B hydraulic module, 11, A channel electrical module,
12nd, channel B electrical module, 13, first passage, 14, second channel, 15, third channel, 16, A channel, 17, channel B, 18, ball
Type structure, MA, motor A, SA11, quick closing valve magnetic valve 11, SA12, quick closing valve magnetic valve 12, SA, slow powered-down magnet valve A, BT, temperature are opened
Close, BQ, liquid-level switch, BPL, hydraulic transducer, BPG, air pressure transmitter, SB, slow powered-down magnet valve B, SB22, quick closing valve magnetic valve
22, SB21, quick closing valve magnetic valve 21, MB, motor B.
Embodiment
The technical scheme that the utility model is provided is a kind of suitable for high temperature, high pressure super large caliber quick closedown（In 2~5s
Quick closedown）The gas-liquid linked drive device of CAP1400 main steam isolation valves, is carried out detailed to the utility model below in conjunction with the accompanying drawings
Describe in detail bright.
A kind of gas-liquid linked drive device suitable for main steam isolation valve, it is to set fluid die on valve rack 5
Block 1, electrical module 2, fuel tank 6 and electrical part 4, gas-liquid linked drive device carry out integrated setting with valve rack 5.
The hydraulic module 1 includes A channel hydraulic module 9 and channel B hydraulic module 10, and both are symmetricly set on valve branch
The both sides of the upper brace of frame 5；The electrical module 2 includes A channel electrical module 11 and channel B electrical module 12, and both are symmetrical
It is arranged on the centre position on the top of valve rack 5；The electrical part 5 is set around hydraulic module 1 and electrical module 2.
The side of the valve rack 5 sets some outside energy storage tanks 3, one ball of the direct UNICOM of valve piston cylinder epicoele 8
Energy storing space 7 inside type structure 18, the inside energy storing space 7 of the outside energy storage tank 3 and piston upper chamber ball shape structure 18
Logical, internal energy storing space 7, piston cylinder epicoele 8 and outside energy storage tank 3 are filled with nitrogen.
Buffer structure is set on piston, and the buffer structure is including the first passage 13 through piston, through piston shaft
Second channel 14 and the third channel 15 through piston shaft and outside, are played by the actual internal area of control passage and piston are closed
Close cushioning effect in place.
Above-mentioned structure is further described：
1st, drive assembly design and the integrated design of valve rack 5, respectively by tank body part, hydraulic module 1, electrical module
2nd, the part of fuel tank 6 carries out modularized design and is respectively fixed on support, reduces volume, mitigates weight, lowers the center of gravity, improves whole
The machine natural frequency of vibration.As shown in Figure 1.
2nd, piston cylinder and energy storage integral structure（Ball shape structure）The mode being combined with applied external energy storage tank 3, ball-type
Inside energy storing space 7 inside structure 18 is directly connected to piston cylinder epicoele 8, and the directly pre- inflated with nitrogen of piston upper chamber 8 is played never
The effect of the recovery spring of failure, makes accumulation of energy nitrogen pressure act directly on piston, realizes quick acting and stable axial force
Output, outside energy storage tank 3 realizes redundancy and the compensation to nitrogen capacity, while reducing overall weight, center of gravity, improves valve
Anti-seismic performance, as shown in Figure 2.
3rd, gas-liquid linked drive device is completely independent binary channels hydraulic control system using A, B, meets single failure criteria
Requirement, while having Redundancy Design, it is ensured that functional safety reliability, as shown in Figure 3.
4th, piston portion is provided with buffer structure, to the impulsive force of valve when reducing quick closedown, improves drive device
Performance and reliability, as shown in Figure 4.
5th, hydraulic principle is designed；Hydraulic control system design uses independent binary channels hydraulic control system, is respectively equipped with A, B
Channel hydraulic control system, it is ensured that it meets the requirement of single failure criteria when performing security function；Dual-coil electromagnetic valve of connecting is superfluous
Remaining design method, it is ensured that the reliability of security function；Independent dual-system structure realizes complete machine on-bne repair；Digital simulation is believed
Number output function, realizes the online monitoring free of discontinuities of overall process and intelligentized control method, as shown in Figure 5.
6th, hydraulic module is designed；Modularization, Miniaturization Design are carried out to hydraulic control by Integration Design, by hydraulic part
Reasonably it is arranged on an integrated package, reduces the pipeline connection between each hydraulic part, reduce risk of leakage, improve liquid
The sealing reliability of laminate section；And the volume, weight and structure of hydraulic system part are reduced, so as to reduce to complete machine weight
Amount, the influence of center of gravity.
7th, control logic；Logical design is controlled in terms of security reliability and independence, passes through controlled motor respectively
And magnetic valve electric and dead electricity realize to drive device A channel, channel B, A+B passages it is slow open, close slowly, quick closedown and
The control with open function is closed in part.Ensure gas-liquid linkage ＜ 5s quick closedown work(under normal, exception, accident conditions
The control of energy, as shown in Figure 6.
8th, Electric Control Design；Drive device temperature, pressure, liquid level etc. are detected by way of digital measuring
And control；Control function is controlled respectively using A channel, channel B, A+B passages, it is ensured that the security reliability of drive device, such as Fig. 7
It is shown.
9th, according to 1E grades of equipment and circuit independency principle, motor A, motor B, A channel, channel B are carried out respectively independent
Set, and ensure complete physical isolation；1E grades of equipment, controlling cable and connector meet 1E grades of standards of perfection requirements.Meet
Nuclear power station is used, reliability service under temperature, irradiation and seismic environment under accident conditions, as shown in Figure 8.
Claims (9)
1. a kind of gas-liquid linked drive device suitable for main steam isolation valve, it is characterised in that：It is included on valve rack and sets
Hydraulic module, electrical module, fuel tank and the electrical part put, gas-liquid linked drive device and valve rack integrated setting.
2. a kind of gas-liquid linked drive device suitable for main steam isolation valve according to claim 1, it is characterised in that：
The hydraulic module includes A channel hydraulic module and channel B hydraulic module, and both are symmetricly set on valve rack upper brace
Both sides；The electrical module includes A channel electrical module and channel B electrical module, and both are symmetricly set on valve rack top
Centre position.
3. a kind of gas-liquid linked drive device suitable for main steam isolation valve according to claim 2, it is characterised in that：
The electrical part is set around hydraulic module and electrical module.
4. a kind of gas-liquid linked drive device suitable for main steam isolation valve according to claim 3, it is characterised in that：
The drive device uses independent binary channels hydraulic control system, and it includes A channel and channel B.
5. a kind of gas-liquid linked drive device suitable for main steam isolation valve according to claim 4, it is characterised in that：
The independent binary channels hydraulic control system is using series connection dual-coil electromagnetic valve Redundancy Design.
6. a kind of gas-liquid linked drive device suitable for main steam isolation valve according to claim 4, it is characterised in that：
Circuit is carried out to each motor, A channel and channel B in the drive device to be independently arranged, and ensure complete physics respectively
Isolation.
7. a kind of gas-liquid linked drive device suitable for main steam isolation valve according to claim 1, it is characterised in that：
The side of the valve rack is set inside some outside energy storage tanks, one ball shape structure of the direct UNICOM of valve piston cylinder epicoele
Energy storing space, the inside energy storing space UNICOM of the outside energy storage tank and piston upper chamber ball shape structure.
8. a kind of gas-liquid linked drive device suitable for main steam isolation valve according to claim 1, it is characterised in that：
Buffer structure is set on piston, the buffer structure include the first passage through piston, the second channel through piston shaft and
Through piston shaft and outside third channel.
9. a kind of gas-liquid linked drive device suitable for main steam isolation valve according to claim 1, it is characterised in that：
The hydraulic module is using integrated, modularization, the design of miniaturization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472459.2U CN206361229U (en) | 2016-12-30 | 2016-12-30 | A kind of gas-liquid linked drive device suitable for main steam isolation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472459.2U CN206361229U (en) | 2016-12-30 | 2016-12-30 | A kind of gas-liquid linked drive device suitable for main steam isolation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206361229U true CN206361229U (en) | 2017-07-28 |
Family
ID=59377568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621472459.2U Active CN206361229U (en) | 2016-12-30 | 2016-12-30 | A kind of gas-liquid linked drive device suitable for main steam isolation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206361229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044557A (en) * | 2016-12-30 | 2017-08-15 | 大连大高阀门股份有限公司 | Suitable for the gas-liquid linked drive device of main steam isolation valve |
-
2016
- 2016-12-30 CN CN201621472459.2U patent/CN206361229U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044557A (en) * | 2016-12-30 | 2017-08-15 | 大连大高阀门股份有限公司 | Suitable for the gas-liquid linked drive device of main steam isolation valve |
| CN107044557B (en) * | 2016-12-30 | 2023-11-14 | 大连大高阀门股份有限公司 | Gas-liquid linkage driving device suitable for main steam isolation valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202837121U (en) | Conventional tri-axial impact loading experimental device for concrete | |
| CN104100441A (en) | Water-gas common-cabin electric power energy storage system utilizing high pressure gasholder to maintain constant pressure | |
| CN109342177A (en) | A kind of full-scale pipeline deep-sea complexity ocean environmental loads combination loading pilot system | |
| CN102182641B (en) | Wind/wave hybrid power generating system | |
| CN206361229U (en) | A kind of gas-liquid linked drive device suitable for main steam isolation valve | |
| CN104179881A (en) | Buffering system for self-elevating platform | |
| CN107044557A (en) | Suitable for the gas-liquid linked drive device of main steam isolation valve | |
| CN102192199A (en) | Power driven system and oil pumping unit applying same | |
| CN107816439A (en) | Simulate test device and method that underground true environment carries out centrifugal pump gas-liquid separation efficiency | |
| CN203108697U (en) | Rainfall device for geotechnical centrifuge model test | |
| CN105804927A (en) | Wave power generation device fixed by coast in floating manner | |
| CN203500178U (en) | Hydraulic system for large-flow-rate hydraulic-control check valve test bed | |
| CN201396342Y (en) | Bridge-detection vehicle safety protection hydraulic control device | |
| US11873876B2 (en) | Dynamic balance type vertical vibration isolator | |
| CN111237531A (en) | Straight stroke gas-liquid linkage actuating mechanism suitable for quick isolating valve | |
| CN2533460Y (en) | Electric manometer checker | |
| CN207813980U (en) | Simulate the test device that underground true environment carries out centrifugal pump gas-liquid separation efficiency | |
| CN202884074U (en) | Non-active pressure balance system solving boiler effect of nuclear grade sluice valve | |
| CN203442476U (en) | Air-supply circulating system of air engine | |
| CN105973552A (en) | Complex environment coordination loading system of vibration test of low-temperature propellant delivery line | |
| CN108591043A (en) | The dynamic pressure of underwater glider floatage pumping system, fatigue life and power consumption test method | |
| CN209387241U (en) | A kind of pressure decay test system suitable for tunnel protection door | |
| CN202400753U (en) | Wave compensation system of crane | |
| CN104533698A (en) | Method utilizing wave energy for providing power for wind turbine AMD control systems | |
| CN212003288U (en) | Power generation system capable of maintaining constant pressure based on high-density medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A gas-liquid linkage driving device suitable for main steam isolation valves Effective date of registration: 20230927 Granted publication date: 20170728 Pledgee: Dalian Branch of Shanghai Pudong Development Bank Co.,Ltd. Pledgor: DALIAN DV VALVE Co.,Ltd. Registration number: Y2023980059639 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |