CN107013692A - A kind of nuclear island blowoff valve - Google Patents
A kind of nuclear island blowoff valve Download PDFInfo
- Publication number
- CN107013692A CN107013692A CN201710433542.1A CN201710433542A CN107013692A CN 107013692 A CN107013692 A CN 107013692A CN 201710433542 A CN201710433542 A CN 201710433542A CN 107013692 A CN107013692 A CN 107013692A
- Authority
- CN
- China
- Prior art keywords
- valve
- intercommunicating pore
- valve element
- seal section
- ingate
- 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.)
- Pending
Links
- 239000011148 porous material Substances 0.000 claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 239000012535 impurity Substances 0.000 description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000012530 fluid Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a kind of nuclear island blowoff valve, including valve seat and the valve element being arranged on valve seat, ingate and outlet opening are provided with the valve seat, intercommunicating pore is provided between ingate and outlet opening, seal section is provided with the intercommunicating pore, the drive division for driving valve core movement is also associated with the valve element, the seal section is the bellmouth being arranged on intercommunicating pore, it is conical section, arrival end of the one end that the bellmouth is relatively large in diameter towards intercommunicating pore to be used on the valve element with the part that seal section coordinates；The valve element is articulated and connected with drive division by oscillating bearing, and the centre of sphere of sphere falls on the axis of valve element on the oscillating bearing.The blowoff valve enables to sealing surface to obtain good protection in the course of the work.
Description
Technical field
The present invention relates to nuclear reactor equipment technical field, more particularly to a kind of nuclear island blowoff valve.
Background technology
Evaporator is the fluid in the important component in nuclear reactor nuclear island, reactor coolant, i.e. primary Ioops flow, its
The heat for carrying nuclear reactor nuclear reaction generation is entered in evaporator, is transferred heat under conditions of being physically isolated two times
Lu Shui, after secondary circuit water is heated, generation steam is with driving steam turbine etc., and secondary circuit water is condensed into aqueous water by three Loop Waters again
After add in secondary circuit.Although secondary circuit water is recycled in the course of the work, secondary circuit water in cyclic process still
So loss is serious, so, it is necessary to constantly supplement water into secondary circuit in evaporator practical work process.
Because the loss problem of secondary circuit water, the Water-quality control of secondary circuit water is extremely difficult in the prior art, often to two
Loop Water carries out blowdown, is to maintain the important means of secondary circuit water water quality.This allows for the blowoff valve pair of control of sewage disposal pipe break-make
The normally operation of nuclear reactor is extremely important.However, being faced with serious sealing face damage in the process of running with scum valve
Problem, further improves the structure design of blowoff valve, is those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
It is faced with serious sealing face damage problem in the process of running for blowoff valve in the prior art, further improves
The problem of structure design of blowoff valve is those skilled in the art's technical problem urgently to be resolved hurrily, the invention provides a seed nucleus
Island blowoff valve, the blowoff valve enables to sealing surface to obtain good protection in the course of the work.
A kind of nuclear island that the present invention is provided solves problem with blowoff valve by following technical essential：A kind of nuclear island blowdown
Ingate and outlet opening, ingate and outlet opening are provided with valve, including valve seat and the valve element that is arranged on valve seat, the valve seat
Between be provided with intercommunicating pore, the intercommunicating pore and be provided with seal section, be also associated with being used to drive valve core movement on the valve element
Drive division, the seal section be on the bellmouth being arranged on intercommunicating pore, the valve element be used for seal section coordinate part
For conical section, arrival end of the one end that the bellmouth is relatively large in diameter towards intercommunicating pore；
The valve element is articulated and connected with drive division by oscillating bearing, and the centre of sphere of sphere falls in valve on the oscillating bearing
On the axis of core.
Specifically, above drive division can use the valve rod by promotions such as screw thread, pneumatic cylinder, oil hydraulic cylinders, the bellmouth
The sealing surface of blowoff valve is constituted with conical section, i.e., when bellmouth is contacted with conical section, the sealing of blowoff valve can be achieved, anyway, row
Dirty valve is in open mode.Valve element and drive division ball-joint are set to, meanwhile, the mating surface of valve element and valve seat is used for taper surface
Form, after may be such that impurity is entered between conical section and bellmouth, the circulation of each point fluid in the circumferential direction of valve element
When resistance changes or impurity applies the power of radial direction to valve element, valve element can turn around the centre of sphere of the oscillating bearing sphere
It is dynamic, can be achieved to avoid impurity from being resident between bellmouth and conical section with the action of upper valve core, so, when blowoff valve is closed or
In running, it is respectively provided with and avoids sealing surface from being destroyed or mitigated the effect of destroyed degree；Meanwhile, the blowoff valve side of the above
Case, blowoff valve is blocked under state, and the relative position of valve element and valve seat is easy to keep, and keeps blocking performance beneficial to blowoff valve is kept.
Further technical scheme is：
Boss annular in shape, arrival end of the boss just to intercommunicating pore are additionally provided with the valve element, boss, which is located at, to be connected
The outside of through hole arrival end, the projection of intercommunicating pore towards boss falls in convex edge of table with inner region；
Distance of the boss away from intercommunicating pore is less than or equal to distance of the seal section away from valve element；
The diameter of intercommunicating pore arrival end is more than the diameter of seal section.
In the prior art, use stop valve the blowoff valve of nuclear reactor evaporator more, it is so, water-bed being arranged at secondary circuit
During the blowoff valve work in portion, the granule foreign in secondary circuit water is because plug for seal face, during sealing surface is closed, or
Granule foreign high velocity impact severe friction sealing surface causes sealing surface to scratch, and can cause the sealing property of sealing surface by broken
It is bad.
In this structure, the intercommunicating pore is the connecting hole of ingate and outlet opening, valve element and seal section phase on intercommunicating pore
After interaction, it can be achieved to the blocking between ingate and outlet opening, conversely, ingate is turned on outlet opening, blowoff valve work.
In this structure, it is set to be additionally provided with boss annular in shape on valve element, arrival end of the boss just to intercommunicating pore, boss is located at
The outside of intercommunicating pore arrival end, the projection of intercommunicating pore towards boss falls in convex edge of table with inner region, meanwhile, the boss is away from even
The distance of through hole is less than or equal to distance of the seal section away from valve element, it is intended to realize following purpose：When blowoff valve is opened, boss and company
There is gap, above gap is used for fluid by being flowed into ingate in intercommunicating pore, and passes through limit between the end face of through hole arrival end
The width and relation of the seal section away from valve element distance in the fixed gap, equivalent to before the sealing surface that valve element and seal section are constituted
End is provided with contaminant filter gap：When impurity is when being sized to by the time of filtration, impurity can enter valve element with
In circulating area between seal section, now, because the size of impurity is equal or impurity with the distance of valve element to seal section big
It is less than valve element to the distance of seal section, now, impurity will not cause serious damage to the surface of valve element and/or seal section；
When the size of impurity is more than the gap numerical value, impurity can not be entered in intercommunicating pore, and is entered in follow-up blowdown valve opening
During one step increases, above impurity also can be discharged smoothly；When blowoff valve is closed, due to impurity be only possible to it is more
Lug boss position is resided in, now, blowoff valve is unable to normal switching-off if finding, now impurity can only also cause the phase at lug boss position
Surface is answered to be damaged, i.e., when being populated with unpredictalbe impurity in this blowoff valve, it is only necessary to further to increase opening for blowoff valve
Degree allows it to wash away certain time, after after impurity discharge, you can smoothly complete impurity discharging operation, and changed by above structure
Enter, the sealing surface that this process does not result in blowoff valve is destroyed.
To sum up, the blowoff valve that this case is provided enables to sealing surface to obtain good protection in the course of the work.
To cause impurity when by seal section, the flow direction one that the direction of motion of impurity can as far as possible with fluid
Cause, mitigate impurity and corresponding sealing section surface and the intensity of spool face interaction to reach, reach the effect of protection sealing surface
Really, the seal section is located at the end of intercommunicating pore, and the hole section of seal section front end is seamlessly transitted with seal section.
It is easy to what the impurity for processing, residing in entrance bore end more convenient can be discharged in blowoff valve as a kind of
Implementation, the ingate is parallel to each other with outlet opening, and the axis of intercommunicating pore is vertical with the axis of ingate, and entrance hole position
In the top of outlet opening.
For ease of realizing the connection of blowoff valve and both sides pipeline section, while ensureing the sealed reliability of joint face, in addition to set
The two panels adpting flange being placed on valve seat, the arrival end of ingate and the port of export of outlet opening are connected to a piece of connection method
Sealing surface on orchid, and adpting flange is tongue and groove.
To avoid under blowoff valve opening, valve element produces overgenerous vibration under action of a fluid, in addition to solid
Due to the flexure strip on valve seat, the free end of the valve element is fixed on flexure strip.
The invention has the advantages that：
Above drive division can use the valve rod by promotions such as screw thread, pneumatic cylinder, oil hydraulic cylinders, the bellmouth and conical section
The sealing surface of blowoff valve is constituted, i.e., when bellmouth is contacted with conical section, the sealing of blowoff valve can be achieved, anyway, blowoff valve is in
Open mode.Valve element and drive division ball-joint are set to, meanwhile, the mating surface of valve element and valve seat is used for the form of taper surface,
After may be such that impurity is entered between conical section and bellmouth, the circulating resistance of each point fluid occurs in the circumferential direction of valve element
When change or impurity apply the power of radial direction to valve element, valve element can be rotated around the centre of sphere of the oscillating bearing sphere, with upper valve
The action of core can be achieved to avoid impurity to be resident between bellmouth and conical section, so, when blowoff valve is closed or running
In, it is respectively provided with and avoids sealing surface from being destroyed or mitigated the effect of destroyed degree；Meanwhile, the blowoff valve scheme of the above, blowdown
Valve is blocked under state, and the relative position of valve element and valve seat is easy to keep, and keeps blocking performance beneficial to blowoff valve is kept.
Brief description of the drawings
Fig. 1 is a kind of structure sectional view of one specific embodiment of nuclear island blowoff valve of the present invention.
Numbering in figure is followed successively by：1st, valve seat, 2, ingate, 3, outlet opening, 4, valve element, 5, seal section, 6, intercommunicating pore, 7,
Conical section, 8, boss, 9, drive division, 10, flexure strip.
Embodiment
With reference to embodiment, the present invention is described in further detail, but the present invention structure be not limited only to it is following
Embodiment.
Embodiment 1：
As shown in figure 1, a kind of nuclear island blowoff valve, including valve seat 1 and the valve element 4 that is arranged on valve seat 1, the valve seat 1
On be provided with ingate 2 and outlet opening 3, be provided between ingate 2 and outlet opening 3 on intercommunicating pore 6, the intercommunicating pore 6 set
There is the drive division 9 being also associated with seal section 5, the valve element 4 for driving valve element 4 to move, the seal section 5 is the company of being arranged at
On bellmouth on through hole 6, the valve element 4 be used for seal section 5 coordinate part be conical section 7, the taper bore dia compared with
Arrival end of the big one end towards intercommunicating pore 6；
The valve element 4 is articulated and connected with drive division 9 by oscillating bearing, and the centre of sphere of sphere falls on the oscillating bearing
On the axis of valve element 4.
Specifically, above drive division 9 can use the valve rod by promotions such as screw thread, pneumatic cylinder, oil hydraulic cylinders, the bellmouth
The sealing surface of blowoff valve is constituted with conical section 7, i.e., when bellmouth is contacted with conical section 7, the sealing of blowoff valve can be achieved, anyway,
Blowoff valve is in open mode.Be set to valve element 4 and the ball-joint of drive division 9, meanwhile, use the mating surface of valve element 4 and valve seat 1 for
The form of taper surface, after may be such that impurity is entered between conical section 7 and bellmouth, each point stream in the circumferential direction of valve element 4
When the circulating resistance of body changes or impurity applies the power of radial direction to valve element 4, valve element 4 can be around the oscillating bearing sphere
The centre of sphere rotate, can be achieved to avoid impurity to be resident between bellmouth and conical section 7 with the action of upper valve core 4, so, in blowdown
When valve is closed or in running, it is respectively provided with and avoids sealing surface from being destroyed or mitigated the effect of destroyed degree；Meanwhile, the above
Blowoff valve scheme, blowoff valve blocked under state, and the relative position of valve element 4 and valve seat 1 is easy to keep, and is protected beneficial to blowoff valve is kept
Hold and block performance.
Embodiment 2：
As shown in figure 1, the present embodiment is further qualified on the basis of embodiment 1：It is additionally provided with the valve element 4 and is in
The boss 8 of ring-type, arrival end of the boss 8 just to intercommunicating pore 6, boss 8 is located at the outside of the arrival end of intercommunicating pore 6, intercommunicating pore 6
Projection towards boss 8 falls at the edge of boss 8 with inner region；
The distance of the boss 8 away from intercommunicating pore 6 is less than or equal to distance of the seal section 5 away from valve element 4；
The diameter of the arrival end of intercommunicating pore 6 is more than the diameter of seal section 5.
In the prior art, use stop valve the blowoff valve of nuclear reactor evaporator more, it is so, water-bed being arranged at secondary circuit
During the blowoff valve work in portion, the granule foreign in secondary circuit water is because plug for seal face, during sealing surface is closed, or
Granule foreign high velocity impact severe friction sealing surface causes sealing surface to scratch, and can cause the sealing property of sealing surface by broken
It is bad.
In this structure, the intercommunicating pore 6 is the connecting hole of ingate 2 and outlet opening 3, valve element 4 with it is close on intercommunicating pore 6
Seal after the interaction of section 5, can be achieved to the blocking between ingate 2 and outlet opening 3, conversely, ingate 2 is led with outlet opening 3
It is logical, blowoff valve work.In this structure, it is set to be additionally provided with boss 8 annular in shape on valve element 4, the boss 8 is just to intercommunicating pore
6 arrival end, boss 8 be located at the arrival end of intercommunicating pore 6 outside, intercommunicating pore 6 towards boss 8 projection fall the edge of boss 8 with
Inner region, meanwhile, the distance of the boss 8 away from intercommunicating pore 6 be less than or equal to distance of the seal section 5 away from valve element 4, it is intended to realize with
Lower purpose：When blowoff valve is opened, there is gap between the end face of boss 8 and the arrival end of intercommunicating pore 6, above gap be used for fluid by
Flowed into ingate 2 in intercommunicating pore 6, and by limiting the width and relation of the seal section 5 away from the distance of valve element 4, phase in the gap
When being provided with contaminant filter gap in the front end of the sealing surface constituted in valve element 4 and seal section 5：When impurity be sized to pass through
During the time of filtration, impurity can be entered in the circulating area between valve element 4 and seal section 5, now, big due to impurity
Small size equal or impurity with the distance of valve element 4 to seal section 5 is less than the distance that valve element 4 arrives seal section 5, and now, impurity is not
Serious damage can be caused to the surface of valve element 4 and/or seal section 5；When the size of impurity is more than the gap numerical value, impurity
It can not enter in intercommunicating pore 6, and during follow-up blowdown valve opening further increase, above impurity also can be suitable
Profit discharge；When blowoff valve is closed, due to impurity be only possible to it is more reside in the position of boss 8, now, if finding blowoff valve not
Can normal switching-off, now impurity can only also cause the respective surfaces at the position of boss 8 to be damaged, i.e., be populated with this blowoff valve
During unpredictalbe impurity, it is only necessary to which the aperture for further increasing blowoff valve allows it to wash away certain time, after impurity is discharged, i.e.,
Impurity discharging operation can smoothly be completed, and improved by above structure, this process do not result in the sealing surface of blowoff valve by
Destruction.
To sum up, the blowoff valve that this case is provided enables to sealing surface to obtain good protection in the course of the work.
To cause impurity when by seal section 5, the flow direction one that the direction of motion of impurity can as far as possible with fluid
Cause, mitigate the intensity that impurity interacts with the corresponding surface of seal section 5 and the surface of valve element 4 to reach, reach protection sealing surface
Effect, the seal section 5 is located at the end of intercommunicating pore 6, and the hole section of the front end of seal section 5 is seamlessly transitted with seal section 5.
It is easy to the impurity for processing, residing in the end of ingate 2 more convenient can be discharged in blowoff valve as a kind of
Implementation, the ingate 2 is parallel to each other with outlet opening 3, and the axis of intercommunicating pore 6 is vertical with the axis of ingate 2, and
Ingate 2 is located at the top of outlet opening 3.
Embodiment 3：
As shown in figure 1, the present embodiment is on the basis of any one technical scheme that any of the above one embodiment is provided
It is further qualified：For ease of realizing the connection of blowoff valve and both sides pipeline section, while ensureing the sealed reliability of joint face, also wrap
The two panels adpting flange being arranged on valve seat 1 is included, the arrival end of ingate 2 and the port of export of outlet opening 3 are connected to a piece of
Sealing surface on adpting flange, and adpting flange is tongue and groove.
To avoid under blowoff valve opening, valve element 4 produces overgenerous vibration under action of a fluid, in addition to solid
Due to the flexure strip 10 on valve seat 1, the free end of the valve element 4 is fixed on flexure strip 10.
Above content is to combine the further description that specific preferred embodiment is made to the present invention, it is impossible to assert this
The embodiment of invention is confined to these explanations.For general technical staff of the technical field of the invention,
The other embodiment drawn in the case where not departing from technical scheme, should be included within the scope of the present invention.
Claims (6)
1. a kind of nuclear island blowoff valve, including valve seat (1) and the valve element (4) that is arranged on valve seat (1), set on the valve seat (1)
Ingate (2) and outlet opening (3) are equipped with, intercommunicating pore (6), the intercommunicating pore are provided between ingate (2) and outlet opening (3)
(6) drive division (9) for being also associated with being used to drive valve element (4) to move on seal section (5), the valve element (4) is provided with, it is special
Levy and be, the seal section (5) is to be used for and seal section (5) on the bellmouth being arranged on intercommunicating pore (6), the valve element (4)
The part of cooperation is conical section (7), arrival end of the one end that the bellmouth is relatively large in diameter towards intercommunicating pore (6)；
The valve element (4) is articulated and connected with drive division (9) by oscillating bearing, and the centre of sphere of sphere falls on the oscillating bearing
On the axis of valve element (4).
2. a kind of nuclear island blowoff valve according to claim 1, it is characterised in that be additionally provided with the valve element (4) and be in
The boss (8) of ring-type, arrival end of the boss (8) just to intercommunicating pore (6), boss (8) is located at the outer of intercommunicating pore (6) arrival end
Side, the projection of intercommunicating pore (6) towards boss (8) falls the edge in boss (8) with inner region；
The distance of the boss (8) away from intercommunicating pore (6) is less than or equal to the distance of seal section (5) away from valve element (4)；
The diameter of intercommunicating pore (6) arrival end is more than the diameter of seal section (5).
3. a kind of nuclear island blowoff valve according to claim 1, it is characterised in that the seal section (5) is located at intercommunicating pore
(6) end, and the hole section of seal section (5) front end seamlessly transits with seal section (5).
4. a kind of nuclear island blowoff valve according to claim 1, it is characterised in that the ingate (2) and outlet opening (3)
It is parallel to each other, the axis of intercommunicating pore (6) is vertical with the axis of ingate (2), and ingate (2) are located at the top of outlet opening (3).
5. a kind of nuclear island blowoff valve as claimed in any of claims 1 to 4, it is characterised in that also including setting
Two panels adpting flange on valve seat (1), the arrival end of ingate (2) and the port of export of outlet opening (3) are connected to a piece of
Sealing surface on adpting flange, and adpting flange is tongue and groove.
6. a kind of nuclear island blowoff valve as claimed in any of claims 1 to 4, it is characterised in that also including fixation
In the flexure strip (10) on valve seat (1), the free end of the valve element (4) is fixed on flexure strip (10).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710433542.1A CN107013692A (en) | 2017-06-09 | 2017-06-09 | A kind of nuclear island blowoff valve |
| PCT/CN2017/108610 WO2018223588A1 (en) | 2017-06-09 | 2017-10-31 | Discharge valve for nuclear island |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710433542.1A CN107013692A (en) | 2017-06-09 | 2017-06-09 | A kind of nuclear island blowoff valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107013692A true CN107013692A (en) | 2017-08-04 |
Family
ID=59452734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710433542.1A Pending CN107013692A (en) | 2017-06-09 | 2017-06-09 | A kind of nuclear island blowoff valve |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107013692A (en) |
| WO (1) | WO2018223588A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018223588A1 (en) * | 2017-06-09 | 2018-12-13 | 四川行之智汇知识产权运营有限公司 | Discharge valve for nuclear island |
| WO2018223587A1 (en) * | 2017-06-09 | 2018-12-13 | 四川行之智汇知识产权运营有限公司 | Drainage valve for nuclear power station |
| WO2018223594A1 (en) * | 2017-06-09 | 2018-12-13 | 四川行之智汇知识产权运营有限公司 | Drainage valve for nuclear reactor evaporator |
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| FR2593580B1 (en) * | 1986-01-28 | 1988-09-09 | Dardaine Edgar | IMPROVED BALL VALVE |
| CN201787096U (en) * | 2010-08-27 | 2011-04-06 | 李卫军 | Multiple-seal check valve |
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| CN107013692A (en) * | 2017-06-09 | 2017-08-04 | 四川省守望信息科技有限责任公司 | A kind of nuclear island blowoff valve |
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- 2017-06-09 CN CN201710433542.1A patent/CN107013692A/en active Pending
- 2017-10-31 WO PCT/CN2017/108610 patent/WO2018223588A1/en active Application Filing
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018223588A1 (en) * | 2017-06-09 | 2018-12-13 | 四川行之智汇知识产权运营有限公司 | Discharge valve for nuclear island |
| WO2018223587A1 (en) * | 2017-06-09 | 2018-12-13 | 四川行之智汇知识产权运营有限公司 | Drainage valve for nuclear power station |
| WO2018223594A1 (en) * | 2017-06-09 | 2018-12-13 | 四川行之智汇知识产权运营有限公司 | Drainage valve for nuclear reactor evaporator |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018223588A1 (en) | 2018-12-13 |
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