CN210050324U - Emptying valve - Google Patents
Emptying valve Download PDFInfo
- Publication number
- CN210050324U CN210050324U CN201920458089.4U CN201920458089U CN210050324U CN 210050324 U CN210050324 U CN 210050324U CN 201920458089 U CN201920458089 U CN 201920458089U CN 210050324 U CN210050324 U CN 210050324U
- Authority
- CN
- China
- Prior art keywords
- valve
- cover
- ball
- discharge
- outlet end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model relates to the technical field of valves, concretely relates to baiting valve. The radiation shielding cover is arranged at the outlet end of the valve body and can open or close the outlet end of the valve body, so that when the discharge ball valve discharges materials to a pipeline for receiving nuclear media, the radiation shielding cover is opened to enable the discharge valve to be communicated with the receiving pipeline; after the emptying is finished, because the pipeline for receiving the nuclear medium is internally provided with steam with radioactive substances, the steam can be condensed into liquid in the valve cavity of the ball valve, and when the emptying device is separated from the pipeline, the radiation shielding cover seals the outlet end so as to prevent the liquid with radioactivity condensed in the valve cavity from contacting with the outside, thereby realizing safe emptying.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to baiting valve.
Background
The valve uses valve plate or ball with channel as open-close piece to operate the open-close piece to open or close the valve, which can ensure the medium to pass through smoothly and the sealing property of the valve when closing the valve. The emptying valve is a valve for controlling and communicating the emptying device and the receiving device, wherein the emptying ball valve is a common emptying valve, and the existing emptying ball valve is mainly improved aiming at the detention of materials at the ball valve. For example, patent document CN202812283U discloses a method for discharging a material from a degassing tank by reducing the distance between a ball and the degassing tank, eliminating a dead space between the degassing tank and a ball valve, and eliminating a material accumulation in the dead space.
When the discharge device bearing the nuclear medium discharges materials (nuclear medium) to the pipeline receiving the nuclear medium through the discharge ball valve, the discharge ball valve closes the discharge channel, and then the discharge device with the discharge ball valve is separated from the pipeline. Because the pipeline is internally provided with steam with radioactive substances, the steam can be condensed into liquid in the valve cavity of the ball valve, when the discharging device is separated from the pipeline, the part of the valve cavity of the discharging ball valve, which is close to the outlet end of the valve body, is communicated with the outside, and the condensed liquid has radioactivity and can pollute the external environment. Therefore, the existing discharging ball valve is not suitable for discharging nuclear media.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that baiting valve is not applicable to the nuclear medium blowing among the prior art to a nuclear level baiting valve is provided.
In order to solve the technical problem, the utility model discloses a technical scheme as follows:
the utility model provides a baiting valve, include:
a valve body having a valve cavity therein, the valve body having an inlet end and an outlet end;
the opening and closing piece is assembled in the valve cavity and is suitable for controlling the on-off of the discharge valve;
a radiation shielding cover switchable between a first state and a second state; in the first state, the radiation shielding cover closes the exit end, and in the second state, the radiation shielding cover opens the exit end.
The radiation shielding cover includes: a body; the side plate surrounds the body for one circle, and one end of the side plate is connected with the body, extends towards the direction far away from the body and is used for sealing the outer edge of the outlet end of the valve body.
The discharge valve further comprises a hinge, wherein the first end of the hinge is fixed on the valve body outside the outlet end, and the second end of the hinge is fixed on the radiation shielding cover.
Further, the outer surface of the valve body is covered with a first shielding layer.
Further, the opening and closing piece is a sphere, and the sphere is provided with a through hole;
when the through hole is communicated with the valve cavity, a valve body passage is opened; the valve body passage is respectively communicated with the inlet end and the outlet end;
furthermore, in the above-mentioned baiting valve, still include, the valve stem, it connects with said spheroid, and drive said spheroid to open or close said valve block channel.
The discharge valve also comprises a valve seat which is arranged in the valve cavity to envelop the ball body to form sealing;
and the elastic component is arranged between the valve seat and the inner wall of the valve body and provides pressing force towards the ball body for the valve seat.
The inner wall of the valve body is provided with a first step structure and a second step structure;
one end of the valve seat, which is far away from the ball body, is matched with the first step structure;
one end, far away from the valve seat, of the elastic component is matched with the second step structure.
And valve seat filler is arranged between the valve seat and the upper surface of the first step structure.
The discharge valve also comprises a valve cover, wherein the valve cover is arranged above the valve body, and a through hole for the valve rod to pass through is formed in the valve cover; the outer surface of the valve cover is covered with a second shielding layer.
Further, a sealing structure is arranged at the matching position of the valve cover and the valve rod;
the sealing structure comprises a sealing structure and a sealing structure,
the sealing packing is positioned between the valve rod and the valve cover and sleeved on the valve rod;
and the pressing sleeve is sleeved on the valve rod and penetrates through the second shielding layer to be abutted to the sealing filler.
Further, a third shielding layer is embedded in the sphere and extends in the axial direction of the through hole in the sphere;
when the ball body closes the valve body channel, the third shielding layer can cover the cross section of the valve body channel.
Preferably, the third shielding layer surrounds the through hole.
Preferably, the through hole is a square through hole.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a baiting valve, its exit end at the valve body sets up the radiation shielding lid, it can open or seal the exit end of the said valve body, therefore, when carrying on the blow (nuclear medium) to the pipeline receiving the nuclear medium through the baiting valve, the said radiation shielding lid is opened, so as to make the said baiting valve communicate with receiving the pipeline; when the emptying device is separated from the pipeline, the radiation shielding cover seals the outlet end to prevent the radioactive liquid condensed in the valve cavity from contacting with the outside, so that safe emptying is realized.
2. The utility model provides a baiting valve covers at the valve body surface has first shielding layer to avoid at blowing in-process or blowing back, nuclear radiation sees through the valve body and pollutes external environment.
3. The utility model provides a discharge valve, which is a discharge ball valve, wherein, the inner wall of the valve body is provided with a first step structure and a second step structure; one end of the valve seat, which is far away from the ball body, is matched with the first step structure; one end, far away from the valve seat, of the elastic component is matched with the second stepped structure, and valve seat filler is arranged between the valve seat and the upper surface of the first stepped structure. On the basis of ensuring the pressure of the valve seat on the ball body, the axial tightness of the ball valve along a valve body channel is further improved through the matching of the step structure and the valve seat filler.
4. The discharge valve provided by the utility model is provided with a sealing structure at the matching part of the valve cover and the valve rod; the sealing structure comprises a sealing filler, a valve rod and a valve cover, wherein the sealing filler is positioned between the valve rod and the valve cover and sleeved on the valve rod; and the pressing sleeve is sleeved on the valve rod and penetrates through the second shielding layer and the sealing filler in a butting manner, so that the baiting valve can be axially sealed along the valve rod.
5. The discharge valve provided by the utility model is characterized in that a third shielding layer is embedded in the ball body, and the third shielding layer extends in the axial direction of the through hole in the ball body; when the ball body closes the valve body channel, the third shielding layer can cover the cross section of the valve body channel. The embedded above-mentioned third shielding layer that is equipped with of spheroid, can realize when baiting valve closes, with the radiation shielding lid cooperates, forms the shielding seal chamber at spheroid and valve body exit end, has both guaranteed that the liquid that has the radioactivity can not reveal, guarantees again that the radiation can not see through above-mentioned shielding seal chamber yet to prevent to pollute external environment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of the discharge valve of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is a left side view of the discharge valve of the present invention;
description of reference numerals:
1-a valve body; 2-valve cover; 3-a radiation shielding cover; 4-sphere; 5-valve stem; 6-valve seat; 7-valve seat packing; 8-a hinge; 10-an elastic component; 11-an inlet end; 12-an outlet end; 13-a first shielding layer; 21-a second shielding layer; 31-a body; 32-side plate; 41-a third shielding layer; 91-sealing packing; 92-pressing sleeve; 93-a sealing ring; 94-a platen; 101-a holder; 102-disc spring group; 103-a sealing ring; 111-card slot; 112-a stepped bore; 113-screw hole.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1-4, the present embodiment provides a discharge valve, which includes:
a valve body 1 having a valve cavity therein, the valve body 1 having an inlet end 11 and an outlet end 12;
a ball 4 as an opening and closing element, which is assembled in the valve cavity and is suitable for controlling the on-off of the discharge valve;
the ball 4 is provided with a through hole; when the through hole is communicated with the valve cavity, a valve body passage is opened; the valve body passage is respectively communicated with the inlet end and the outlet end; the baiting valve also comprises a valve rod 5 which is connected with the ball body 4 and drives the ball body 4 to open or close the valve body channel;
a radiation shielding cover 3 including a body 31; a side plate 32 surrounding the body 31 for one circle, wherein one end of the side plate 32 is connected with the body 31 or integrally manufactured with the body (31), and extends towards the direction far away from the body 31 for closing the outer edge of the outlet end 12 of the valve body;
the radiation shielding cover 3 is switchable between a first state and a second state; in the first state the radiation shielding cover 3 closes the outlet end 12, and in the second state the radiation shielding cover 3 opens the outlet end 12.
In the discharge valve provided by this embodiment, a radiation shielding cover is disposed at an outlet end of a valve body, wherein the radiation shielding cover is made of a material capable of shielding hazardous radiation (especially radioactivity such as nuclear radiation), and the radiation shielding cover 3 may be selected from a graphene composite shielding material or a lead-based nuclear shielding material, and can open or close the outlet end of the valve body, so that when a discharge ball valve discharges a nuclear medium-receiving pipeline (nuclear medium), the radiation shielding cover is opened to communicate the discharge valve with the receiving pipeline; when the discharge device is separated from the pipeline, the radiation shielding cover seals the outlet end to prevent the radioactive liquid condensed in the valve cavity from contacting with the outside, so that safe discharge is realized. In addition, the radiation shielding cover 3, which includes the structure of the body 31 and the side plate 32, has an accommodating space facing the outlet end 12 of the valve body, and can also play a role of receiving liquid while playing a role of closing the outlet end 12, so as to perform subsequent treatment on the received liquid with radiation property.
As an alternative, the radiation shielding cover 3 may alternatively have a body, and a groove is provided in the body towards the outlet end of the valve body, which groove forms a receiving space, which may also serve as a liquid receiving space.
The discharge valve further comprises a hinge 8, a first end of the hinge 8 is fixed on the valve body outside the outlet end, a second end of the hinge 8 is fixed on the radiation shielding cover 3, and the radiation shielding cover 3 can be opened and closed by operating the hinge 8. As an alternative, the radiation shielding cover 3 may be screwed to the outlet end outer rim, which may be completely detached from the outlet end when the outlet end is opened.
In the above-mentioned baiting valve, the outer surface of the valve body 1 is covered with the first shielding layer 13, the first shielding layer 13 can be selected as graphene composite shielding material or lead-based nuclear shielding material, so as to avoid that nuclear radiation penetrates through the valve body to pollute the external environment in the process of or after baiting.
The discharge valve also comprises a valve seat 6 which is arranged in the valve cavity to envelop the ball 4 to form a seal; an elastic member 10, which is provided between the valve seat 6 and the inner wall of the valve body 1, provides the valve seat 6 with a pressing force toward the ball. A valve seat filler 7 is arranged between the valve seat 6 and the upper surface of the first step structure, and the valve seat filler 7 can be selected from Raschig rings or nuclear grade sealing materials containing graphite. On the basis of ensuring the pressure of the valve seat on the ball body, the axial tightness of the ball valve along a valve body channel is improved through the matching of the step structure and the valve seat filler.
The first step structure comprises an upper surface and a vertical surface, wherein the upper surface is a surface parallel to the axis of the valve body passage in the valve cavity; the vertical surface is a surface perpendicular to the axis of the valve body passage in the valve chamber.
The elastic component 10, as shown in fig. 2, includes a holder 101 and a disc spring set 102, one end of the holder 101 abuts against the valve seat packing 7, an accommodating space is formed between the other end of the holder 101 and the vertical surface of the second step structure, and the disc spring set 102 is disposed in the accommodating space to provide pressure to the holder 101 toward the valve seat 6. Further, a sealing ring 103 is further arranged between the retainer 101 and the upper surface of the second step structure, and the sealing ring 103 is matched with the valve seat packing 7 to form double sealing, so that the sealing performance of the ball valve along the axial direction of the valve body channel can be further improved.
The discharge valve also comprises a valve cover 2 which is arranged above the valve body 1, and the valve cover 1 is provided with a through hole for the valve rod 5 to pass through; the outer surface of the valve cover 2 is covered with a second shielding layer 21, and the second shielding layer 21 can be selected from a graphene composite shielding material or a lead-based nuclear shielding material.
As shown in fig. 3, a sealing structure is arranged at the joint of the valve cover 2 and the valve rod 5; the sealing structure comprises a sealing packing 91 which is positioned between the valve rod 5 and the valve cover 2 and sleeved on the valve rod 5; and the pressing sleeve 92 is sleeved on the valve rod 5 and penetrates through the second shielding layer 21 to be abutted against the sealing packing 91, so that the discharge valve can be axially sealed along the valve rod. The seal packing 91 may be selected as raschig rings or a nuclear grade seal material containing graphite.
Further, a sealing ring 93 is further arranged at the matching position of the valve cover 2 below the sealing packing 91 and the valve rod 5, and is matched with the sealing packing 91, so that double sealing of the discharge valve along the axial direction of the valve rod can be realized.
In the discharge valve, a third shielding layer 41 is embedded in the ball body 4, and the third shielding layer 41 extends in the axial direction of the through hole in the ball body 4; when the ball 4 closes the valve body passage, the third shielding layer 41 can cover the cross section of the valve body passage. Third shielding layer 41 can select for graphite alkene composite shielding material or lead-based nuclear shielding material, is equipped with above-mentioned third shielding layer in the embedded ball, can realize when the baiting valve is closed, with the radiation shielding lid cooperates, forms the shielding seal chamber at ball and valve body exit end, has both guaranteed that the liquid that has the radioactivity can not reveal, guarantees again that the radiation can not see through above-mentioned shielding seal chamber yet to prevent to pollute external environment.
Further, the third shielding layer 41 surrounds the through hole, which can improve the sealing property when the ball 4 closes the valve body passage.
Furthermore, the through hole is a square through hole and can be communicated with the valve cavity to form a square valve body passage for a special square nuclear medium to pass through.
As shown in fig. 4, a guiding structure is provided at the inlet end 11 of the valve body 1, the guiding structure includes a clamping groove 111 and a stepped hole 112, and a discharging device for carrying a medium can be butted with the discharging valve through the stepped hole 112 and positioned through the clamping groove 111. The valve body 1 outside the stepped hole 112 is also provided with a plurality of screw holes 113, and the positioned discharging device can be fixed through the screw holes 113.
Example 2
This embodiment provides a discharge valve, which is different from the discharge valve provided in embodiment 1 in that a shutter is provided as an opening/closing member, which is fitted in the valve chamber and adapted to control the opening/closing of the discharge valve.
Further, can imbed the third shielding layer in the flashboard, the second shielding layer can select to be graphite alkene composite shielding material or lead-based nuclear shielding material, can realize when the baiting valve is closed, with the radiation shielding lid cooperates, forms the shielding seal chamber at flashboard and valve body exit end, has both guaranteed that the liquid that has the radioactivity can not reveal, guarantees again that the radiation can not see through above-mentioned shielding seal chamber yet to prevent to pollute external environment.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (14)
1. A baiting valve, comprising:
a valve body (1) having a valve cavity therein, the valve body (1) having an inlet end (11) and an outlet end (12);
the opening and closing piece is assembled in the valve cavity and is suitable for controlling the on-off of the discharge valve;
a radiation shielding cover (3) switchable between a first state and a second state; in the first state the radiation shielding cover (3) closes the outlet end (12), and in the second state the radiation shielding cover (3) opens the outlet end (12).
2. A discharge valve according to claim 1, characterized in that the radiation shielding cover (3) comprises:
a body (31);
the side plate (32) surrounds the body (31) for one circle, one end of the side plate (32) is connected with the body (31) or is integrally manufactured with the body (31) and extends towards the direction far away from the body (31) for sealing the outer edge of the outlet end (12) of the valve body.
3. The discharge valve of claim 1, further comprising,
a hinge (8) having a first end fixed to the valve body outside the outlet end and a second end fixed to the radiation shielding cover (3).
4. A discharge valve according to claim 1, characterized in that the outer surface of the valve body (1) is covered with a first shielding layer (13).
5. A discharge valve according to claim 1, characterized in that said shutter is a ball (4), said ball (4) having a through hole;
when the through hole is communicated with the valve cavity, the valve body passage is opened and is respectively communicated with the inlet end and the outlet end;
the baiting valve also comprises a valve rod (5) which is connected with the ball body (4) and drives the ball body (4) to open or close the valve body channel.
6. The discharge valve of claim 5, further comprising,
a valve seat (6) arranged in the valve cavity to envelop the ball (4) to form a seal;
an elastic assembly (10) is arranged between the valve seat (6) and the inner wall of the valve body (1) and provides pressing force towards the ball body to the valve seat (6).
7. The discharge valve according to claim 6,
the inner wall of the valve body (1) is provided with a first step structure and a second step structure;
one end of the valve seat (6) far away from the ball body (4) is matched with the first step structure;
and one end of the elastic component (10) far away from the valve seat (6) is matched with the second step structure.
8. A discharge valve according to claim 7, characterized in that a valve seat packing (7) is provided between the valve seat (6) and the upper surface of the first step structure.
9. The discharge valve of claim 5, further comprising,
the valve cover (2) is arranged above the valve body (1), and a through hole for the valve rod (5) to pass through is formed in the valve cover (2);
the outer surface of the valve cover (2) is covered with a second shielding layer (21).
10. A discharge valve according to claim 9, characterized in that a sealing structure is provided at the point where the valve cover (2) and the valve stem (5) are engaged.
11. The discharge valve of claim 10, wherein said sealing structure comprises,
the sealing packing (91) is positioned between the valve rod (5) and the valve cover (2) and sleeved on the valve rod (5);
and the pressing sleeve (92) is sleeved on the valve rod (5) and penetrates through the second shielding layer (21) to be abutted against the sealing packing (91).
12. The discharge valve according to claim 5,
a third shielding layer (41) is embedded in the sphere (4), and the third shielding layer (41) extends in the sphere (4) along the axial direction of the through hole;
when the ball body (4) closes the valve body passage, the third shielding layer (41) can cover the cross section of the valve body passage.
13. A discharge valve according to claim 12, characterized in that the third shielding layer (41) surrounds the through hole.
14. The discharge valve according to claim 13, wherein the through hole is a square through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920458089.4U CN210050324U (en) | 2019-04-04 | 2019-04-04 | Emptying valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920458089.4U CN210050324U (en) | 2019-04-04 | 2019-04-04 | Emptying valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210050324U true CN210050324U (en) | 2020-02-11 |
Family
ID=69379072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920458089.4U Active CN210050324U (en) | 2019-04-04 | 2019-04-04 | Emptying valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210050324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005835A (en) * | 2019-04-04 | 2019-07-12 | 苏州纽威阀门股份有限公司 | A kind of baiting valve |
-
2019
- 2019-04-04 CN CN201920458089.4U patent/CN210050324U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005835A (en) * | 2019-04-04 | 2019-07-12 | 苏州纽威阀门股份有限公司 | A kind of baiting valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103287695B (en) | The key of beverage-container | |
| RU2011146467A (en) | BILATERAL SEALING UNIT OF DOUBLE DIRECTIONAL ACTION FOR USE WITH VALVES | |
| CN210050324U (en) | Emptying valve | |
| GB2137736A (en) | Fluid valve | |
| CN216742879U (en) | Stop valve and refrigerating system thereof | |
| TWI719124B (en) | Fluid controller | |
| CN216742842U (en) | Stop valve | |
| KR101531967B1 (en) | Ball valve | |
| JP2003185035A (en) | Gate valve | |
| CN111954774B (en) | Opening and closing valve for high pressure gas | |
| CN216742841U (en) | Stop valve | |
| US3353784A (en) | Valve construction | |
| CN215950490U (en) | Anti-deposition check valve | |
| JP3113773B2 (en) | Air valve | |
| JP7345982B2 (en) | beverage container | |
| CN208670123U (en) | A kind of Leakproof ball valve | |
| RU14628U1 (en) | VALVE VALVE | |
| WO2019085141A1 (en) | Anti-leakage valve | |
| US7757880B2 (en) | Tank cap | |
| CN218510227U (en) | Ball valve | |
| CN214222029U (en) | Valve core and valve | |
| CN211365529U (en) | Hardware bottle plug | |
| CN212804252U (en) | Stop valve of disk seat | |
| CN216519725U (en) | Low temperature ball valve seal structure | |
| CN212004356U (en) | Wear-resistant powder fluorine-lined ball valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |