CN107448653B - Nuclear power unit main steam isolation valve room relief panel - Google Patents
Nuclear power unit main steam isolation valve room relief panel Download PDFInfo
- Publication number
- CN107448653B CN107448653B CN201710629818.3A CN201710629818A CN107448653B CN 107448653 B CN107448653 B CN 107448653B CN 201710629818 A CN201710629818 A CN 201710629818A CN 107448653 B CN107448653 B CN 107448653B
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- CN
- China
- Prior art keywords
- bolt
- relief panel
- main steam
- nuclear power
- power unit
- 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.)
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Classifications
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/044—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with more than one spring
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0486—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with mechanical actuating means
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/06—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The invention discloses a kind of nuclear power unit main steam isolation valve room relief panels, including relief panel plate body, relief panel plate body includes panel frame component and the raising component for opening relief panel plate body, the two sides of panel frame component are mounted on inclined-plane cladding plate, front is equipped with side cladding plate, the bottom side of panel frame component is flexibly connected by hinge with under(-)chassis, relief panel plate body is realized by hinge to be opened and closed, raising component includes jack and multiple decompression bolts, under(-)chassis is far from being provided with jack sliding rail on the side of hinge, jack is connected by jack sliding rail with under(-)chassis, multiple decompression bolts be fixedly installed at equal intervals under(-)chassis far from the side of hinge outside.Structure of the invention is simple, easy to use effective, and relief panel can be automatically turned on to play the role of pressure release when pressure is big.
Description
Technical field
The present invention relates to nuclear power unit equipment technical fields, and in particular to a kind of room release of nuclear power unit main steam isolation valve
Plate.
Background technique
Main steam isolation valve is used for PWR nuclear power plant secondary circuit main steam system, is arranged in the related workshop of nuclear safety and electricity
At the top of gas workshop, it is located at outside containment, should be designed to prevent between steam generator and main steam isolation valve in containment
The superpressure of containment when a certain main steam line ruptures, and limit the cooling for leading to main system due to steam line break.System
System designs every main steam pipe and installs a main steam isolation valve, including valve body, executing agency and control system.Portion
The main steam isolation valve of separation structure form also has bypass valve, can open pressure difference of the forward horizontal stand before and after it in main valve, and to main valve
Downstream line carry out heating coil.Main steam isolation valve is very crucial one of the capital equipment of nuclear power generating equipment, direct with nuclear safety
Correlation, when nuclear power unit main steam isolation valve room pressure is excessive, if discharge pressure not in time, it will great thing occurs
Therefore the work of nuclear power unit can be not only destroyed, it can also threaten to the safety of staff.
Summary of the invention
To solve the deficiencies in the prior art, it is simple, easy to use effective that the purpose of the present invention is to provide a kind of structures, pressure
Relief panel can be automatically turned on to play the role of the nuclear power unit main steam isolation valve room relief panel of pressure release when power is big.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
Nuclear power unit main steam isolation valve room relief panel, including relief panel plate body, relief panel plate body include panel frame group
Part and raising component for opening relief panel plate body, the two sides of panel frame component are mounted on inclined-plane cladding plate, front installation
There is side cladding plate, the bottom side of panel frame component is flexibly connected by hinge with under(-)chassis, and relief panel plate body passes through hinge
Chain is opened and closed with realizing, raising component includes jack and multiple decompression bolts, and under(-)chassis is far from the side of hinge
It is provided with jack sliding rail, jack is connected by jack sliding rail with under(-)chassis, and multiple decompression bolts are fixed at equal intervals
Be installed on under(-)chassis far from the side of hinge outside, decompression bolt close when, relief panel plate body close be in locking state；Decompression
When bolt is opened, it is in depressurization phase that relief panel plate body, which is opened,.
Preferably, aforesaid vacuum bolt includes decompression bolt pedestal and bolt, is equipped with inside decompression socket body and runs through it
First duct at both ends, the top middle portion of decompression bolt pedestal are equipped with the second duct, and the middle part in the second duct and the first duct is hung down
Direct-connected logical, bolt lower part is plugged in the second duct, and upper part is fixed in fixing seat by fastening bolt, and bolt top passes through
Fastening bolt is fixed in fixing seat, and the bottom end two sides of bolt are provided with card slot, and the two sides inside the first duct are provided with
Top, comes directly towards and is equipped with triangular protrusions close to the side of bolt, and triangular protrusions are located in card slot to play locking latch
Effect, be connected with compressed spring on the outside of top, be connected on the outside of compressed spring and adjust bolt with the compression of adjustment spring
Amount.
More preferably, aforementioned top periphery is cased with copper sheathing, and copper sheathing is fixed on the first duct bottom by positioning bolt.
Preferably, the bottom of said panel frame assembly is also equipped with insulation board, and insulation board is formed by Foaming of phenolic resin.
More preferably, the bottom of aforementioned insulation board is fixedly installed multiple with the tensioning being blown away to avoid relief panel plate body
Eliminate component.
It is highly preferred that component is eliminated in aforementioned tensioning is provided with 2~4, it is rope that component is eliminated in tensioning, to prevent relief panel
It is blown away or prevent relief panel from striking the roof of auxiliary plant.
It is further preferred that being equipped with top patch at the top of said panel frame assembly.
Specifically, the tilt angle of aforementioned chamfers cladding plate is 30 °, so that sleet and hail are fallen.
Preferably, afore-mentioned bottom frame two sides and the contact position of insulation board are mounted on rainproof sealing strip, rainproof sealing strip
It is made of rubber material.
It is highly preferred that aforementioned jack is foot-operated jack, to open manually under the premise of not damaging decompression bolt
Relief panel plate body.
The invention has the beneficial effects that: the structure of nuclear power unit main steam isolation valve room relief panel of the invention is simple,
It is easy to use effective, when operating normally, due to the effect of compressed spring in decompression bolt, decompression bolt locking；Accident condition
When, relief panel drives bolt to move upwards under the action of pressure indoors, top in the moving process of bolt stress to internal pressure
Contracting, decompression bolt are opened, and relief panel is opened to play the role of pressure release, while being tensioned and being eliminated component starting, and relief panel quilt is avoided
Blow away or avoid relief panel to strike the roof of auxiliary plant；Relief panel is further equipped with foot-operated jack, not damage
Relief panel is opened manually under the premise of bad decompression bolt；The decrement for adjusting bolt and compressed spring being adjusted in bolt is depressurized,
To adjust pressure opening value.
Detailed description of the invention
Fig. 1 is front view of the invention；
Fig. 2 is side view of the invention；
Fig. 3 is the structural schematic diagram that bolt is depressurized in the present invention.
The meaning of appended drawing reference in figure: 1, panel frame component, 3, inclined-plane cladding plate, 4, side cladding plate, 5, top patch, 6,
Hinge, 7, under(-)chassis, 8, jack, 9, decompression bolt, 10, insulation board, 11, tensioning elimination component, 12, rainproof sealing strip,
91, bolt pedestal, 92, bolt, 93, fastening bolt, 94, fixing seat, 95, card slot, 96, top, 97, copper sheathing, 98, compression are depressurized
Spring, 99, adjusting bolt, 910, positioning bolt.
Specific embodiment
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1 and Fig. 2, nuclear power unit main steam isolation valve room relief panel of the invention, including relief panel plate body, release
Plate plate body includes panel frame component 1 and the raising component for opening relief panel plate body, and the two sides of panel frame component 1 are pacified
Equipped with inclined-plane cladding plate 3, front is equipped with side cladding plate 4, and the top of panel frame component 1 is also equipped with top patch 5, and inclined-plane covers
The tilt angle of plate 3 is 30 °, so that sleet and hail are fallen.
The bottom side of panel frame component 1 is flexibly connected by hinge 6 with under(-)chassis 7, and relief panel plate body passes through hinge
Chain 6 is opened and closed with realizing, raising component includes jack 8 and multiple decompression bolts 9, under(-)chassis 7 far from hinge 6 one
8 sliding rail of jack is provided on side, jack 8 is connected by 8 sliding rail of jack with under(-)chassis 7, multiple decompression bolts 9 etc.
Interval is fixedly installed in outside side of the under(-)chassis 7 far from hinge 6, and when decompression bolt 9 is closed, relief panel plate body is closed in lock
Tight state；When depressurizing the unlatching of bolt 9, it is in depressurization phase that relief panel plate body, which is opened,.Wherein, jack 8 is foot-operated jack, so as to
Relief panel plate body is opened manually under the premise of not damaging decompression bolt 9.
The bottom of panel frame component 1 is also equipped with insulation board 10, and insulation board 10 is formed by Foaming of phenolic resin.Insulation board
10 bottom is fixedly installed multiple with the tensioning being blown away to avoid relief panel plate body elimination component 11.Component 11 is eliminated in tensioning
2~4 are provided with, it is rope that component 11 is eliminated in tensioning, to prevent relief panel to be blown away or prevent relief panel from striking auxiliary
The roof of workshop.7 two sides of under(-)chassis and the contact position of insulation board 10 are mounted on rainproof sealing strip 12, and rainproof sealing strip 12 is adopted
It is made of rubber material.
Referring to Fig. 3, depressurizing bolt 9 includes decompression bolt pedestal 91 and bolt 92, is equipped with and passes through inside decompression 91 pedestal of bolt
Wear first duct at its both ends, the top middle portion of decompression bolt pedestal is equipped with the second duct, in the second duct and the first duct
Portion's vertical connection, 92 lower part of bolt are plugged in the second duct, and upper part is fixed in fixing seat 94 by fastening bolt 93, are inserted
The bottom end two sides of pin 92 are provided with card slot 95, and the two sides inside the first duct are provided with top 96, and 96 peripheries of top are cased with
Copper sheathing 97, copper sheathing 97 are fixed on the first duct bottom by positioning bolt 910.Top 96 is equipped with triangle close to the side of bolt 92
Shape protruding portion, triangular protrusions, which are located at, to play the role of locking latch 92, to be come directly towards 96 outside and is connected with pressure in card slot 95
Contracting spring 98, the outside of compressed spring 98, which is connected with, adjusts bolt 99 with the decrement of adjustment spring 98.
In order to preferably illustrate the present invention, its working principle is specifically described below:
Nuclear power unit main steam isolation valve room relief panel is mounted on auxiliary plant roof, when operating normally, due to subtracting
The effect for pressing compressed spring 98 in bolt 9 comes directly towards 96 triangular protrusions and is stuck in card slot 95, depressurizes bolt 9 with locking；When
The pressure that relief panel is born is when reaching design pressure, and relief panel drives bolt 92 to move upwards under the action of pressure indoors, pushes up
First 96 in the moving process of bolt 92 stress squeeze compressed spring 98 be inwardly compressed, bolt 92 pop up, then depressurize bolt 9 and beat
It opens, relief panel is opened to play the role of pressure release, and the angle that relief panel plate body is opened in the on state is 120 ~ 150 °, to rise
It to the effect of pressure release, while being tensioned and eliminating the starting of component 11, prevent roof from opening more than 150 °, blown to can avoid relief panel
Walk or avoid relief panel to strike the roof of auxiliary plant；By adjusting the adjustable pressure of adjusting bolt 99 in decompression bolt 9
The decrement of contracting spring 98, to adjust the pressure opening value of relief panel；Relief panel is further equipped with foot-operated jack 8, so as to
Relief panel is opened manually under the premise of not damaging decompression bolt 9.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation
Technical solution is fallen within the scope of protection of the present invention.
Claims (9)
1. nuclear power unit main steam isolation valve room relief panel, including relief panel plate body, which is characterized in that the relief panel plate body packet
Panel frame component and the raising component for opening relief panel plate body are included, the two sides of the panel frame component are mounted on tiltedly
Face cladding plate, front are equipped with side cladding plate, and the bottom side of panel frame component is flexibly connected with under(-)chassis by hinge, is unloaded
Pressing plate plate body is realized by hinge to be opened and closed, and the raising component includes jack and multiple decompression bolts, the bottom
Portion's frame is connected by jack sliding rail with under(-)chassis far from jack sliding rail, the jack is provided on the side of hinge
Connect, multiple decompression bolts be fixedly installed at equal intervals under(-)chassis far from the side of hinge outside, decompression bolt close when,
It is in locking state that relief panel plate body, which is closed,；When depressurizing bolt unlatching, it is in depressurization phase that relief panel plate body, which is opened,；The decompression bolt
Including decompression bolt pedestal and bolt, it is equipped with inside the decompression socket body through first duct at its both ends, depressurizes bolt
The top middle portion of pedestal is equipped with the second duct, the middle part vertical connection in second duct and the first duct, the bolt lower part
It being plugged in the second duct, upper part is fixed in fixing seat by fastening bolt, and the bottom end two sides of bolt are provided with card slot,
Two sides inside first duct are provided with top, and described come directly towards is equipped with triangular protrusions, institute close to the side of bolt
It states triangular protrusions to be located in card slot to play the role of locking latch, compressed spring, institute is connected on the outside of the top
It states to be connected on the outside of compressed spring and adjusts bolt with the decrement of adjustment spring.
2. nuclear power unit main steam isolation valve according to claim 1 room relief panel, which is characterized in that the top periphery
It is cased with copper sheathing, the copper sheathing is fixed on the first duct bottom by positioning bolt.
3. nuclear power unit main steam isolation valve according to claim 1 room relief panel, which is characterized in that the panel frame
The bottom of component is also equipped with insulation board, and the insulation board is formed by Foaming of phenolic resin.
4. nuclear power unit main steam isolation valve according to claim 3 room relief panel, which is characterized in that the insulation board
Bottom is fixedly installed multiple with the tensioning being blown away to avoid relief panel plate body elimination component.
5. nuclear power unit main steam isolation valve according to claim 4 room relief panel, which is characterized in that the tensioning is eliminated
Component is provided with 2~4, and it is rope that component is eliminated in tensioning.
6. nuclear power unit main steam isolation valve according to claim 1 room relief panel, which is characterized in that the panel frame
Top patch is installed at the top of component.
7. nuclear power unit main steam isolation valve according to claim 1 room relief panel, which is characterized in that the inclined-plane cladding plate
Tilt angle be 30 °.
8. nuclear power unit main steam isolation valve according to claim 1 room relief panel, which is characterized in that the under(-)chassis
Two sides and the contact position of insulation board are mounted on rainproof sealing strip, and the rainproof sealing strip is made of rubber material.
9. nuclear power unit main steam isolation valve according to claim 1 room relief panel, which is characterized in that the jack is
Foot-operated jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710629818.3A CN107448653B (en) | 2017-07-28 | 2017-07-28 | Nuclear power unit main steam isolation valve room relief panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710629818.3A CN107448653B (en) | 2017-07-28 | 2017-07-28 | Nuclear power unit main steam isolation valve room relief panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107448653A CN107448653A (en) | 2017-12-08 |
| CN107448653B true CN107448653B (en) | 2019-08-02 |
Family
ID=60489415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710629818.3A Active CN107448653B (en) | 2017-07-28 | 2017-07-28 | Nuclear power unit main steam isolation valve room relief panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107448653B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2861669Y (en) * | 2005-12-21 | 2007-01-24 | 沈继平 | Safety pin explosion-proof valve |
| CN201144072Y (en) * | 2008-01-23 | 2008-11-05 | 安阳利浦筒仓工程有限公司 | Positive-pressure negative-pressure safe releasing device of steel silo |
| KR20100084128A (en) * | 2009-01-15 | 2010-07-23 | (주) 인디고텍 | Explosion-proof valve |
| CN103950514A (en) * | 2014-05-12 | 2014-07-30 | 西北工业大学 | Underwater uncovering device |
-
2017
- 2017-07-28 CN CN201710629818.3A patent/CN107448653B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2861669Y (en) * | 2005-12-21 | 2007-01-24 | 沈继平 | Safety pin explosion-proof valve |
| CN201144072Y (en) * | 2008-01-23 | 2008-11-05 | 安阳利浦筒仓工程有限公司 | Positive-pressure negative-pressure safe releasing device of steel silo |
| KR20100084128A (en) * | 2009-01-15 | 2010-07-23 | (주) 인디고텍 | Explosion-proof valve |
| CN103950514A (en) * | 2014-05-12 | 2014-07-30 | 西北工业大学 | Underwater uncovering device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107448653A (en) | 2017-12-08 |
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