CN110005835A - A kind of baiting valve - Google Patents
A kind of baiting valve Download PDFInfo
- Publication number
- CN110005835A CN110005835A CN201910272523.4A CN201910272523A CN110005835A CN 110005835 A CN110005835 A CN 110005835A CN 201910272523 A CN201910272523 A CN 201910272523A CN 110005835 A CN110005835 A CN 110005835A
- Authority
- CN
- China
- Prior art keywords
- valve
- baiting
- sphere
- outlet end
- radiation shield
- 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
- 230000005855 radiation Effects 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 10
- 238000007664 blowing Methods 0.000 abstract description 18
- 239000007788 liquid Substances 0.000 abstract description 14
- 238000007599 discharging Methods 0.000 abstract description 9
- 230000002285 radioactive effect Effects 0.000 abstract description 6
- 239000000941 radioactive substance Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 14
- 238000012216 screening Methods 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000002131 composite material Substances 0.000 description 4
- 229910021389 graphene Inorganic materials 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 238000007872 degassing Methods 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 graphite Alkene Chemical class 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000000126 substance 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/12—Covers for housings
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0263—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor using particular material or covering 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0657—Particular coverings or materials
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0689—Packings between housing and plug
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0694—Spindle sealings
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The present invention relates to valve technology fields, and in particular to a kind of baiting valve.Radiation shield lid is arranged in the outlet end of valve body in it, can open or close the outlet end of the valve body, and therefore, when carrying out blowing to the pipeline for receiving core medium by emptying ball valve, the radiation shield lid is opened, so that the baiting valve is connected to receiving pipeline；After completing blowing, there is the steam with radioactive substance in pipeline due to receiving above-mentioned core medium, the steam can condense into liquid in the valve chamber of ball valve, when discharging device is detached from pipeline, the radiation shield lid closes the outlet end, to avoid what is condensed into valve chamber there is radioactive liquid to contact with the external world, to realize safe blowing.
Description
Technical field
The present invention relates to valve technology fields, and in particular to a kind of baiting valve.
Background technique
Valve is used using valve plate or the sphere with channel as opening and closing element, is opened or closed with operating the opening and closing element
The valve, effect are to ensure that medium is smooth and pass through, and can guarantee the leakproofness of valve when closing valve.Baiting valve is
The valve of control connection discharging device and material-receiving device, wherein, emptying ball valve is a kind of common baiting valve, existing blowing ball
Valve, the improvement done mainly for delay of the material at ball valve.Such as in patent document CN202812283U, ball is reduced
The distance between body and degassing tank eliminate the dead angle between degassing tank and ball valve, eliminate the buildup in dead angle, arrange material completely
Out.
When the discharging device of carrying core medium carries out blowing (core Jie to the pipeline for receiving above-mentioned core medium by emptying ball valve
Matter) after, the emptying ball valve can close discharging channel, and then the discharging device with emptying ball valve can be detached from pipeline.Due to pipe
There is the steam with radioactive substance, which can condense into liquid in the valve chamber of ball valve, manage when discharging device is detached from road
When road, emptying ball valve is in communication with the outside close to the part valve chamber of valve body outlet end, wherein condensing into liquid has radioactivity, it can be right
External environment pollutes.Therefore, existing emptying ball valve is not particularly suited for the blowing of core medium.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcome in the prior art baiting valve be not suitable for core medium blowing
Defect, to provide a kind of nuclear leve baiting valve.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
The present invention provides a kind of baiting valve, comprising:
Valve body, interior to have valve chamber, the valve body has inlet end and an outlet end；
Opening and closing element is assemblied in the valve chamber, suitable for controlling the on-off of baiting valve；
Radiation shield lid can switch between the first state and a second state；In the first state, the radiation shield
It covers lid and closes the outlet end, in second state, the radiation shield lid opens the outlet end.
The radiation shield lid includes: ontology；Side plate, surround the ontology one week, one end of the side plate with it is described
Ontology connection, and the direction for being directed away from the ontology extends, the outer rim for closed valve outlet end.
It in above-mentioned baiting valve, further include, hinge that first end is fixed on the valve body on the outside of the outlet end, second
End is fixed on the radiation shield and is covered.
Further, the valve outer surface is covered with first screen layer.
Further, the opening and closing element is sphere, and the sphere has through-hole；
When the through-hole is connected to the valve chamber, valve channel is opened；The valve channel respectively with the input end
It is connected to outlet end；
Further, further include valve rod in above-mentioned baiting valve, connect with the sphere, and the sphere is driven to open
Or the closure valve channel.
In above-mentioned baiting valve, further include, valve seat being set in the valve chamber, is formed and sealed with sphere described in envelope；
Elastic parts is set between the valve seat and the inner wall of the valve body, and Xiang Suoshu valve seat is provided towards the ball
The pressing force of body.
The inner wall of the valve body has first step structure and second step structure；
The one end of the valve seat far from the sphere and the first step structure cooperate；
The one end of the elastic parts far from the valve seat and the second step structure cooperate.
Valve seat filler is equipped between the valve seat and the upper surface of the first step structure.
In above-mentioned baiting valve, further include, valve deck being set to above the valve body, has on the valve deck and supply the valve rod
The via hole passed through；The valve deck outer surface is covered with secondary shielding layer.
Further, sealing structure is equipped at the valve deck and the valve rod cooperation；
The sealing structure includes,
Airtight and watertight padding between the valve rod and the valve deck, and is sheathed on the valve rod；
Pressing sleeve is sheathed on the valve rod, and is abutted through the secondary shielding layer with the airtight and watertight padding.
Further, the sphere is embedded with third shielded layer, and the third shielded layer is in the sphere along through-hole
It is axially extending；
When the sphere is closed the valve channel, the third shielded layer can cover the section of the valve channel.
Preferably, the third shielded layer surrounds the through-hole.
Preferably, the through-hole is square through hole.
Technical solution of the present invention has the advantages that
1. baiting valve provided by the invention is arranged radiation shield lid in the outlet end of valve body, can open or close
The outlet end of the valve body, therefore, when carrying out blowing (core medium) to the pipeline for receiving core medium by baiting valve, the radiation
Screening cover is opened, so that the baiting valve is connected to receiving pipeline；After completing blowing, due to receiving the pipeline of above-mentioned core medium
Interior to have the steam with radioactive substance, which can condense into liquid in the valve chamber of valve, when discharging device is detached from pipeline,
The radiation shield lid closes the outlet end, to avoid what is condensed into valve chamber there is radioactive liquid to contact with the external world,
To realize safe blowing.
2. baiting valve provided by the invention is covered with first screen layer in valve outer surface, to avoid during blowing
Or after blowing, nuclear radiation pollutes external environment through valve body.
3. baiting valve provided by the invention is emptying ball valve, wherein the inner wall of valve body has first step structure and the
Two step structures；The one end of the valve seat far from the sphere and the first step structure cooperate；The elastic parts is separate
One end of the valve seat and the second step structure cooperate, and set between the valve seat and the upper surface of the first step structure
There is valve seat filler.It is on the basis of guaranteeing valve seat to sphere pressure, by the cooperation of step structure and valve seat filler, into one
Step improves ball valve along the leakproofness of valve channel axial direction.
4. baiting valve provided by the invention is equipped with sealing structure at valve deck and the valve rod cooperation；The sealing structure
Including airtight and watertight padding between the valve rod and the valve deck, and is sheathed on the valve rod；Pressing sleeve is sheathed on institute
It states on valve rod, and is abutted through the secondary shielding layer with the airtight and watertight padding, the axial along valve rod of baiting valve may be implemented
Sealing.
5. baiting valve provided by the invention, the sphere is embedded with third shielded layer, and the third shielded layer is in the ball
In vivo along the axially extending of through-hole；When the sphere is closed the valve channel, the third shielded layer can cover the valve
The section in body channel.It is embedded with above-mentioned third shielded layer in sphere, may be implemented when baiting valve is closed, with the radiation shield
It covers lid to be cooperated, forms shield gasket chamber in sphere and valve body outlet end, both guarantee that there is radioactive liquid will not reveal,
Guarantee that radiation will not penetrate above-mentioned shield gasket chamber again, to prevent pollution external environment.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the main view of baiting valve of the present invention；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the enlarged drawing of part B in Fig. 1；
Fig. 4 is the left view of baiting valve of the present invention；
Description of symbols:
1- valve body；2- valve deck；3- radiation shield lid；4- sphere；5- valve rod；6- valve seat；7- valve seat filler；8- hinge；10-
Elastic parts；11- input end；The outlet end 12-；13- first screen layer；21- secondary shielding layer；31- ontology；32- side plate；41-
Third shielded layer；91- airtight and watertight padding；92- pressing sleeve；93- sealing ring；94- pressing plate；101- fixator；102- disc spring group；103- is close
Seal ring；111- card slot；112- stepped hole；113- screw hole.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "vertical", "horizontal",
The orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
It states the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " third " are only
For descriptive purposes, it is not understood to indicate or imply relative 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.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment 1
As shown in Figs 1-4, the present embodiment provides a kind of baiting valves comprising:
Valve body 1, interior to have valve chamber, the valve body 1 has input end 11 and outlet end 12；
It as the sphere 4 of opening and closing element, is assemblied in the valve chamber, suitable for controlling the on-off of baiting valve；
The sphere 4 has through-hole；When the through-hole is connected to the valve chamber, valve channel is opened；The valve body is logical
Road is connected to the inlet end and an outlet end respectively；The baiting valve further includes valve rod 5, is connect with the sphere 4, and drive
Move valve channel described in 4 open or close of sphere；
Radiation shield lid 3 comprising ontology 31；Side plate 32 surrounds the ontology 31 1 weeks, one end of the side plate 32
It is connect with the ontology 31 or is fabricated to an entirety with ontology (31), and the direction for being directed away from the ontology 31 extends, and uses
Outer rim in closed valve outlet end 12；
The radiation shield lid 3 can switch between the first state and a second state；In the first state, the radiation
Screening cover 3 closes the outlet end 12, and in second state, the radiation shield lid 3 opens the outlet end 12.
Radiation shield lid, radiation shield lid therein is arranged in the outlet end of valve body in baiting valve provided in this embodiment
By can the material that is shielded of the radiation (the especially radioactivity such as nuclear radiation) to harmful property be made, the radiation shield lid
3 may be selected to be graphene composite shielding material or lead base nuclear screening material, can open or close the outlet end of the valve body,
Therefore, when carrying out blowing (core medium) to the pipeline for receiving core medium by emptying ball valve, the radiation shield lid is opened, so that
The baiting valve is connected to receiving pipeline；After completing blowing, there is band radioactivity in the pipeline due to receiving above-mentioned core medium
The steam of substance, the steam can condense into liquid in the valve chamber of ball valve, described to state radiation shield when discharging device is detached from pipeline
It covers lid and closes the outlet end, to avoid what is condensed into valve chamber there is radioactive liquid to contact with the external world, to realize peace
Full blowing.In addition, the radiation shield lid 3 comprising the structure of ontology 31 and side plate 32 makes it have towards valve body outlet end
12 accommodating space can also play while playing the role of closing outlet end 12 and connect liquid, so as to received band
There is the liquid of radiativity to carry out subsequent processing.
As interchangeable embodiment, the radiation shield lid 3 be can choose for ontology, and on the body
It is provided with the groove towards the valve body outlet end, above-mentioned groove forms accommodating space, can equally play the role of connecing liquid.
It further include hinge 8 in above-mentioned baiting valve, first end is fixed on the valve body on the outside of the outlet end, and second
End be fixed on the radiation shield lid 3, operate the hinge 8, it can be achieved that the radiation shield lid 3 opening and closing.As can replace
The embodiment changed, the radiation shield lid 3, which can be, threadably to be connect with the outlet end outer rim, described in opening
The outlet end can be completely disengaged when outlet end.
In above-mentioned baiting valve, 1 outer surface of valve body is covered with first screen layer 13, and the first screen layer 13 may be selected
For graphene composite shielding material or lead base nuclear screening material, to avoid during blowing or after blowing, nuclear radiation penetrates valve
Body pollution external environment.
In above-mentioned baiting valve, further include valve seat 6, be set in the valve chamber, is formed and sealed with sphere 4 described in envelope；Bullet
Property component 10, be set between the valve seat 6 and the inner wall of the valve body 1, Xiang Suoshu valve seat 6 provide towards the sphere pressure
Clamp force.Valve seat filler 7 is equipped between the valve seat 6 and the upper surface of the first step structure, the valve seat filler 7 may be selected
Nuclear leve sealing material for Raschig ring or comprising graphite.It passes through step structure on the basis of guaranteeing valve seat to sphere pressure
And the cooperation of valve seat filler, ball valve is improved along the leakproofness of valve channel axial direction.
Above-mentioned first step structure includes upper surface and vertical surface, and upper surface refers to, logical with the valve body in valve chamber
The parallel surface of road axis；Vertical surface refers to, the surface vertical with the valve channel axis in valve chamber.
Above-mentioned elastic parts 10, as shown in Figure 2 comprising fixator 101 and disc spring group 102, described 101 one end of fixator
It is abutted with the valve seat filler 7, there is accommodating between the other end of the fixator 101 and the vertical surface of second step structure
Space, the disc spring group 102 are placed in above-mentioned accommodating space, provide the pressure towards valve seat 6 for fixator 101.Further,
Be additionally provided with sealing ring 103 between the fixator 101 and the upper surface of the second step structure, the sealing ring 103 with
The valve seat filler 7 cooperates, and forms dual-seal, can further improve ball valve along the leakproofness of valve channel axial direction.
In above-mentioned baiting valve, further include valve deck 2, is set to 1 top of valve body, has on the valve deck 1 and supply the valve
The via hole that bar 5 passes through；2 outer surface of valve deck is covered with secondary shielding layer 21, and the secondary shielding layer 21 may be selected to be graphite
Alkene composite shielding material or lead base nuclear screening material.
As shown in figure 3, being equipped with sealing structure at the valve deck 2 and 5 cooperation of valve rod；The sealing structure includes, close
Packing material 91 between the valve rod 5 and the valve deck 2, and is sheathed on the valve rod 5；Pressing sleeve 92 is sheathed on institute
State on valve rod 5, and abutted with the airtight and watertight padding 91 through the secondary shielding layer 21, may be implemented baiting valve along valve rod
Axial seal.Airtight and watertight padding 91 may be selected to be Raschig ring or the nuclear leve sealing material comprising graphite.
Further, it is additionally provided with sealing ring 93 at the valve deck 2 below the airtight and watertight padding 91 and 5 cooperation of valve rod,
Cooperate with the airtight and watertight padding 91, the dual-seal along valve rod axial direction of baiting valve may be implemented.
In above-mentioned baiting valve, the sphere 4 is embedded with third shielded layer 41, and the third shielded layer 41 is in the sphere 4
It is interior along the axially extending of through-hole；When the sphere 4 is closed the valve channel, the third shielded layer 41 can cover the valve
The section in body channel.The third shielded layer 41 may be selected to be graphene composite shielding material or lead base nuclear screening material, in ball
It is embedded with above-mentioned third shielded layer in vivo, may be implemented to be cooperated with the radiation shield lid, when baiting valve is closed in ball
Body and valve body outlet end form shield gasket chamber, not only guarantee that there is radioactive liquid will not reveal, but also guarantee that radiation will not
Through above-mentioned shield gasket chamber, to prevent pollution external environment.
Further, the third shielded layer 41 surrounds the through-hole, and the sphere 4 can be improved and be closed valve channel
When leakproofness.
Further, the through-hole is square through hole, can be connected to form square valve body channel with the valve chamber, for spy
Different directions or tendencies forming core medium passes through.
As shown in figure 4, the input end 11 in valve body 1 is equipped with guide frame, the guide frame includes card slot 111 and rank
The discharging device in terraced hole 112, bearing medium can be docked by stepped hole 112 with the baiting valve, and by the card slot 111 into
Row positioning.On the valve body 1 in 112 outside of stepped hole, several screw holes 113 are additionally provided with, the blowing of positioning can be filled by screw hole 113
Set fixation.
Embodiment 2
The present embodiment provides a kind of baiting valves, and compared with the baiting valve that embodiment 1 provides, difference is as opening and closing element
It for flashboard, is assemblied in the valve chamber, suitable for controlling the on-off of baiting valve.
Further, embeddable third shielded layer, the secondary shielding layer may be selected to be graphene combined screen in flashboard
Material or lead base nuclear screening material are covered, may be implemented to be cooperated with the radiation shield lid, when baiting valve is closed in flashboard
Shield gasket chamber is formed with valve body outlet end, not only guarantees that there is radioactive liquid will not reveal, but also guarantees that radiation will not be saturating
Above-mentioned shield gasket chamber is crossed, to prevent pollution external environment.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (14)
1. a kind of baiting valve characterized by comprising
Valve body (1), interior to have valve chamber, the valve body (1) has input end (11) and outlet end (12)；
Opening and closing element is assemblied in the valve chamber, suitable for controlling the on-off of baiting valve；
Radiation shield lid (3), can switch between the first state and a second state；In the first state, the radiation shield
It covers lid (3) and closes the outlet end (12), in second state, the radiation shield lid (3) opens the outlet end (12).
2. baiting valve according to claim 1, which is characterized in that the radiation shield lid (3) includes:
Ontology (31)；
Side plate (32), surround the ontology (31) one weeks, one end of the side plate (32) connect with the ontology (31) or with
Ontology (31) is fabricated to an entirety, and the direction for being directed away from the ontology (31) extends, and is used for closed valve outlet end
(12) outer rim.
3. baiting valve according to claim 1, which is characterized in that further include,
Hinge (8), first end are fixed on the valve body on the outside of the outlet end, and second end is fixed on the radiation shield lid
(3) on.
4. nuclear leve emptying ball valve according to claim 1, which is characterized in that valve body (1) outer surface is covered with first
Shielded layer (13).
5. baiting valve according to claim 1, which is characterized in that the opening and closing element is sphere (4), sphere (4) tool
There is through-hole；
When the through-hole is connected to the valve chamber, the valve channel is opened, and is connected respectively with the inlet end and an outlet end
It is logical；
The baiting valve further includes that valve rod (5) is connect with the sphere (4), and drives the sphere (4) open or close
The valve channel.
6. baiting valve according to claim 5, which is characterized in that further include,
Valve seat (6) is set in the valve chamber, is formed and is sealed with sphere described in envelope (4)；
Elastic parts (10) is set between the valve seat (6) and the inner wall of the valve body (1), and Xiang Suoshu valve seat (6) provides court
To the pressing force of the sphere.
7. baiting valve according to claim 6, which is characterized in that
The inner wall of the valve body (1) has first step structure and second step structure；
The valve seat (6) one end and the first step structure far from the sphere (4) cooperate；
The elastic parts (10) one end and the second step structure far from the valve seat (6) cooperate.
8. baiting valve according to claim 7, which is characterized in that the valve seat (6) is upper with the first step structure
Valve seat filler (7) are equipped between surface.
9. baiting valve according to claim 5, which is characterized in that further include,
Valve deck (2) is set to above the valve body (1), has the via hole passed through for the valve rod (5) on the valve deck (1)；
Valve deck (2) outer surface is covered with secondary shielding layer (21).
10. baiting valve according to claim 9, which is characterized in that set at the valve deck (2) and the valve rod (5) cooperation
There is sealing structure.
11. baiting valve according to claim 10, which is characterized in that the sealing structure includes,
Airtight and watertight padding (91) between the valve rod (5) and the valve deck (2), and is sheathed on the valve rod (5)；
Pressing sleeve (92) is sheathed on the valve rod (5), and through the secondary shielding layer (21) and the airtight and watertight padding (91)
It abuts.
12. baiting valve according to claim 5, which is characterized in that
Sphere (4) is embedded with third shielded layer (41), and the third shielded layer (41) is in the sphere (4) along the axial direction of through-hole
Extend；
When the sphere (4) is closed the valve channel, the third shielded layer (41) can cover cutting for the valve channel
Face.
13. baiting valve according to claim 12, which is characterized in that the third shielded layer (41) surrounds the through-hole.
14. baiting valve according to claim 13, which is characterized in that the through-hole is square through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910272523.4A CN110005835A (en) | 2019-04-04 | 2019-04-04 | A kind of baiting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910272523.4A CN110005835A (en) | 2019-04-04 | 2019-04-04 | A kind of baiting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110005835A true CN110005835A (en) | 2019-07-12 |
Family
ID=67170069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910272523.4A Pending CN110005835A (en) | 2019-04-04 | 2019-04-04 | A kind of baiting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110005835A (en) |
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| CN101893109A (en) * | 2009-05-19 | 2010-11-24 | 中核苏阀科技实业股份有限公司 | Top loaded pneumatic ball valve |
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| CN103775671A (en) * | 2012-10-22 | 2014-05-07 | 中国核动力研究设计院 | Corrugated pipe structure based self-compensating electric ball valve |
| JP2014089082A (en) * | 2012-10-29 | 2014-05-15 | Landes Co Ltd | Radiation shield lid for underground pit |
| CN104747757A (en) * | 2015-03-19 | 2015-07-01 | 贾培育 | Electric four-way valve |
| CN206130168U (en) * | 2016-08-31 | 2017-04-26 | 中船重工特种设备有限责任公司 | Sealed ball valve of upper assembling type high pressure helium |
| CN207425369U (en) * | 2017-09-28 | 2018-05-29 | 中广核工程有限公司 | Nuclear power station radioactive water filter radiation shield device |
| CN210050324U (en) * | 2019-04-04 | 2020-02-11 | 苏州纽威阀门股份有限公司 | Emptying valve |
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2019
- 2019-04-04 CN CN201910272523.4A patent/CN110005835A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893109A (en) * | 2009-05-19 | 2010-11-24 | 中核苏阀科技实业股份有限公司 | Top loaded pneumatic ball valve |
| CN103775671A (en) * | 2012-10-22 | 2014-05-07 | 中国核动力研究设计院 | Corrugated pipe structure based self-compensating electric ball valve |
| JP2014089082A (en) * | 2012-10-29 | 2014-05-15 | Landes Co Ltd | Radiation shield lid for underground pit |
| CN103400606A (en) * | 2013-07-26 | 2013-11-20 | 中广核工程有限公司 | Neutron shielding device for main pipeline of upper chamber of reactor pit of nuclear power plant |
| CN104747757A (en) * | 2015-03-19 | 2015-07-01 | 贾培育 | Electric four-way valve |
| CN206130168U (en) * | 2016-08-31 | 2017-04-26 | 中船重工特种设备有限责任公司 | Sealed ball valve of upper assembling type high pressure helium |
| CN207425369U (en) * | 2017-09-28 | 2018-05-29 | 中广核工程有限公司 | Nuclear power station radioactive water filter radiation shield device |
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