CN204852429U - High temperature ball valve - Google Patents
High temperature ball valve Download PDFInfo
- Publication number
- CN204852429U CN204852429U CN201520536243.7U CN201520536243U CN204852429U CN 204852429 U CN204852429 U CN 204852429U CN 201520536243 U CN201520536243 U CN 201520536243U CN 204852429 U CN204852429 U CN 204852429U
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- China
- Prior art keywords
- valve
- ball
- valve body
- disk seat
- valve seat
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- Expired - Fee Related
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- 239000002184 metal Substances 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 9
- 230000032683 aging Effects 0.000 abstract description 3
- 210000004907 gland Anatomy 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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Abstract
The utility model relates to a high temperature ball valve main solve present ball valve and results in seal failure to fall high ball valve life's problem because of the flexible sealing circle is ageing with damaging, including first valve body (1), second valve body (4), first disk seat (7), second disk seat (9), valve ball (8), valve rod (11), gland packing (14), it is sealed through the metal seal circle between first valve body (1) and first disk seat (7). Through above structure, there are not pollution sources in spare part by the metalwork in the valve, and the flexible sealing spare of just comparing can promote the life and the reliability of ball valve by a wide margin. Can adjust the pretension specific pressure between valve ball and the disk seat through belleville spring in addition, high temperature working condition is out of shape the high temperature deformation of adjusting between valve ball and the disk seat through belleville spring self down, guarantees that the dead phenomenon of card can not appear in valve ball and disk seat, and is sealed reliable, long service life.
Description
Technical field
The utility model relates to a kind of for the floating type high-temperature hard sealing ball valve in the industries such as nuclear power, petrochemical industry, papermaking, metallurgy.
Background technique
At present for nuclear power, petrochemical industry, papermaking, floating type high-temperature hard sealing ball valve in the industries such as metallurgy, sealing between valve body and valve seat is sealed by seal rings such as Expanded graphites, between valve ball and valve seat, seal pressure will lean on Expanded graphite thickness to regulate, the bad control of decrement of flexible graphite sealing ring easily damages, also may because of the seal failure of Expanded graphite aged deterioration in using process, valve shortens working life greatly, the flexible graphite sealing ring of aged deterioration also may pollute, cannot by self regulating the thermal expansion deformation between valve ball and valve seat at worst hot case lower valve, be easy to occur stuck phenomenon, seal failure.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of high-temperature ball valve that effectively can promote high temperature condition lower working life.
Another object of the present utility model is to provide the adjustable high-temperature ball valve of pretension specific pressure between a kind of valve ball and valve seat.
For reaching this object, the utility model by the following technical solutions:
A kind of high-temperature ball valve, comprises the first valve body, the second valve body, the first valve seat, the second valve seat, valve ball, valve rod, Stuffing box; First valve seat, the second valve seat, valve ball are arranged in the first valve body, the second valve body, and the first valve seat is arranged between valve ball and the first valve body, and the second valve seat is arranged between valve ball and the second valve body; Stuffing box is connected with the second valve body, and valve rod to be arranged in Stuffing box and to be connected with valve ball; Sealed by metal o-ring between the first valve body and the first valve seat.
As a kind of preferred version, described metal o-ring is metal O type circle.
As a kind of preferred version, between the second valve seat and the second valve body, be provided with spring.
As a kind of preferred version, described spring is belleville spring or leaf spring.
As a kind of preferred version, described spring is for regulating the pretension specific pressure between valve ball and valve seat.
As a kind of preferred version, one end of valve rod is provided with boss, between boss and Stuffing box, be provided with thrust bearing.
As a kind of preferred version, be provided with filler, filler pressing sleeve between the other end of valve rod and Stuffing box, hold-down grid is connected with Stuffing box compression filler pressing sleeve.
The beneficial effects of the utility model are:
(1) by being sealed by metal o-ring between the first valve body and the first valve seat, the whole parts in valve body are made all to have metal to make, can not occur aging under worst hot case, also there are not pollution sources, effectively can promote the life-span of ball valve, improve the sealability of ball valve Long-Time Service.
(2) the pretension specific pressure between valve ball and valve seat is regulated by belleville spring, the thermal expansion deformation between valve ball and valve seat is regulated by belleville spring deformation under worst hot case, can ensure that valve ball and valve seat there will not be stuck phenomenon, sealing is reliable, long service life.
Accompanying drawing explanation
By referring to the description of accompanying drawing to the utility model embodiment, above-mentioned and other objects, features and advantages of the present utility model will be more clear, in the accompanying drawings:
Fig. 1 is the sectional structure chart of embodiment of the present utility model.
In figure: 1. the first valve body; 2. the first stud; 3. the first nut; 4. the second valve body; 5. the first pad; 6. metal O type circle; 7. the first valve seat; 8. valve ball; 9. the second valve seat; 10. belleville spring; 11. valve rods; 12. thrust bearings; 13. second pads; 14. Stuffing boxes; 15. socket head screws; 16. fillers; 17. filler pressing sleeves; 18. hold-down grids; 19. second studs; 20. elastic washers; 21. second nuts.
Embodiment
Based on embodiment, the utility model is described below, but the utility model is not restricted to these embodiments.In hereafter details of the present utility model being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand the utility model completely for a person skilled in the art yet.In order to avoid obscuring essence of the present utility model, known structure, method do not describe in detail.
High-temperature ball valve in the present embodiment, comprises the first valve body 1, second valve body 4, first valve seat 7, second valve seat 9, valve ball 8, valve rod 11, Stuffing box 14; First valve seat 7, second valve seat 9, valve ball 8 are arranged in the first valve body 1, second valve body 4, first valve seat 7 is arranged between valve ball 8 and the first valve body 1, second valve seat 9 is arranged between valve ball 8 and the second valve body 4, and the first valve body 1, second valve body 4 is connected by the first stud 2, first nut 3; Stuffing box 14 and the second valve body 4 are crossed socket head screw 15 and are connected, and valve rod 11 to be arranged in Stuffing box 14 and to be connected by square tenon with valve ball; Sealed by metal o-ring between the first valve body 1 and the first valve seat 7, preferred employing metal O type circle 6.
In addition, preferably, the ball valve in the present embodiment is hard seal ball valve, and valve seat adopts metal to make, and is firmly being tightly connected of metal to metal between valve ball and valve seat.
The compare benefit of traditional soft seal ring of metal O type circle is that strength ratio is higher not fragile, and under high temperature, aging quality resistance is good, also there is not the problem that Expanded graphite pollutes valve simultaneously.
Between the second valve seat 9 and the second valve body 4, be provided with spring 10, this spring can adopt belleville spring or leaf spring, and the contour projector that valve causes because expanding with heat and contract with cold can be cushioned by belleville spring, avoids valve ball 8 stuck between two valve seats 7,9.Suitable spring can also be selected as required, to regulate the pretension specific pressure between valve ball 8 and valve seat 7,9 simultaneously.Special due to Environmental Conditions, spring will be selected under the high temperature conditions still can work well spring.
For the sealing of valve rod, filler cavity is provided with between the upper end of valve rod and Stuffing box 14, filler 16, filler pressing sleeve 17 are installed in filler cavity, hold-down grid 18 is provided with in the upper end of filler pressing sleeve 17, hold-down grid 18 to be connected with Stuffing box by the second stud 19, elastic washer 20, second nut 21 and to compress filler pressing sleeve 17, improves sealability with contact.
In addition, be provided with a boss in the lower end of valve rod, the valve rod between boss and Stuffing box be arranged with thrust bearing 12.
Valve in the present embodiment is one-way flow, and Fig. 1 position ball valve 8 is in full-gear; When being rotated counterclockwise valve rod 11, valve rod 11 drives valve ball 8 half-twist together, and ball valve is closed.
In addition, it should be understood by one skilled in the art that the accompanying drawing provided at this is all for illustrative purposes, and accompanying drawing is not necessarily drawn in proportion.
Meanwhile, should be appreciated that example embodiment is provided, to make the disclosure be comprehensive, and its scope is fully conveyed to those skilled in the art.A lot of specific detail (such as the example of particular elements, equipment and method) is presented to provide thorough understanding of the disclosure.It will be apparent to one skilled in the art that and do not need to adopt specific detail, example embodiment can be implemented with much different forms, and example embodiment should not be understood to limit the scope of the present disclosure.In some example embodiments, well-known technique, well-known device structure and well-known technology are not described in detail.
Term is only for describing the object of particular example embodiment as used herein, is not intended for restrictive.As used herein, " one ", " one " and " described " of singulative also can be intended to comprise plural form, unless context explicitly points out to otherwise.Term " comprises ", " comprising ", " containing " and " having " are inclusive and therefore clearly state the existence of described feature, entirety, step, operation, element and/or parts, but does not get rid of and there is or increase one or more further feature, entirety, step, operation, element, parts and/or its combination.Method step described here, technique and operation will not be understood to inevitable requirement they with discussion or illustrative particular order be performed, the order unless expressly stated for performing.Also can adopt step that is other or that substitute by understanding.
When an element or layer be mentioned as another element or layer " on ", " being engaged to ", " being connected to " or " being coupled to " another element or layer time, its can directly on another element or layer, directly engaged, connected or be connected to another element or layer, or intermediary element or layer can be there is.By contrast, when an element be mentioned as " directly " another element or layer " on ", " being directly engaged to ", " being directly connected to " or " being directly coupled to " another element or layer time, intermediary element or layer can not be there is.Other word for describing relation between element should be explained in a similar manner (such as, " between " and " directly between ", " vicinity " and " being directly close to " etc.).As used herein, term "and/or" comprises arbitrary in the Listed Items of one or more association or all combines.
Although term first, second, third, etc. can be used to describe each element, parts, region, layer and/or section at this, these elements, parts, region, layer and/or section should not limited by these terms.These terms can only for distinguishing element, parts, region, layer or a section and another element, region, layer or section.The term of such as " first ", " second " and other numerical value term when not meaning that order or sequentially when this uses, unless context explicitly points out.Thus, the first element discussed below, parts, region, layer or section can be called as the second element, parts, region, layer or section, and do not deviate from the instruction of example embodiment.In addition, in description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
For being easy to illustrate, such as " interior ", " outward ", " under ", " below ", " bottom ", " top ", " top " etc. space correlation term be used to the relation of an illustrative element or feature and another element or feature in description figure at this.Will be appreciated that space correlation term can be intended to comprise the equipment different orientation except the orientation described in figure in use or operation.Such as, if the equipment in figure is reversed, be then described as be in other element or feature " below " or " under " so element will be positioned in this other element or feature " top ".Thus, exemplary term " below " can comprise above and below both orientation.Equipment can otherwise be directed (90-degree rotation or be in other orientation), and space correlation descriptor should be interpreted accordingly as used herein.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, to those skilled in the art, the utility model can have various change and change.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a high-temperature ball valve, is characterized in that: comprise the first valve body (1), the second valve body (4), the first valve seat (7), the second valve seat (9), valve ball (8), valve rod (11), Stuffing box (14); First valve seat (7), the second valve seat (9), valve ball (8) are arranged in the first valve body (1), the second valve body (4), first valve seat (7) is arranged between valve ball (8) and the first valve body (1), and the second valve seat (9) is arranged between valve ball (8) and the second valve body (4); Stuffing box (14) is connected with the second valve body (4), and valve rod (11) to be arranged in Stuffing box (14) and to be connected with valve ball (8); Sealed by metal o-ring between the first valve body (1) and the first valve seat (7).
2. high-temperature ball valve according to claim 1, is characterized in that: described metal o-ring is metal O type circle.
3. high-temperature ball valve according to claim 1, is characterized in that: between the second valve seat (9) and the second valve body (4), be provided with spring (10).
4. high-temperature ball valve according to claim 3, is characterized in that: described spring is belleville spring or leaf spring.
5. the high-temperature ball valve according to claim 3 or 4, is characterized in that: described spring is for regulating the pretension specific pressure between valve ball (8) and valve seat (7,9).
6. high-temperature ball valve according to claim 1, is characterized in that: one end of valve rod is provided with boss, is provided with thrust bearing (12) between boss and Stuffing box.
7. high-temperature ball valve according to claim 6, it is characterized in that: be provided with filler (16), filler pressing sleeve (17) between the other end of valve rod and Stuffing box (14), hold-down grid (18) is connected with Stuffing box and compresses filler pressing sleeve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520536243.7U CN204852429U (en) | 2015-07-22 | 2015-07-22 | High temperature ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520536243.7U CN204852429U (en) | 2015-07-22 | 2015-07-22 | High temperature ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852429U true CN204852429U (en) | 2015-12-09 |
Family
ID=54742975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520536243.7U Expired - Fee Related CN204852429U (en) | 2015-07-22 | 2015-07-22 | High temperature ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852429U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681663A (en) * | 2019-01-17 | 2019-04-26 | 宣达实业集团有限公司 | Upper dress superhigh temperature ball valve with high temperature-proof expansion card resistance structure |
| CN109681662A (en) * | 2019-01-17 | 2019-04-26 | 宣达实业集团有限公司 | Upper dress superhigh temperature ball valve |
-
2015
- 2015-07-22 CN CN201520536243.7U patent/CN204852429U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681663A (en) * | 2019-01-17 | 2019-04-26 | 宣达实业集团有限公司 | Upper dress superhigh temperature ball valve with high temperature-proof expansion card resistance structure |
| CN109681662A (en) * | 2019-01-17 | 2019-04-26 | 宣达实业集团有限公司 | Upper dress superhigh temperature ball valve |
| CN109681663B (en) * | 2019-01-17 | 2024-04-09 | 宣达实业集团有限公司 | Top-mounted ultra-high temperature ball valve with high-temperature expansion blocking prevention structure |
| CN109681662B (en) * | 2019-01-17 | 2024-04-23 | 宣达实业集团有限公司 | Top-mounted ultra-high temperature ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200706 Address after: 056000 Lintan Industrial Park, Jinnan New District, Handan City, Hebei Province (Lintan Town Fan Village) Patentee after: Hebei Raymond Valve Manufacturing Co.,Ltd. Address before: 101500 Beijing Miyun City Economic Development Zone C Yan Road No. 9-1 Patentee before: RAYMOND (BEIJING) TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 |