CN203384402U - Ultra-high-temperature hard seal ball valve - Google Patents
Ultra-high-temperature hard seal ball valve Download PDFInfo
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- CN203384402U CN203384402U CN201320439695.4U CN201320439695U CN203384402U CN 203384402 U CN203384402 U CN 203384402U CN 201320439695 U CN201320439695 U CN 201320439695U CN 203384402 U CN203384402 U CN 203384402U
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- valve
- valve rod
- bellows
- spheroid
- hard seal
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Abstract
An ultra-high-temperature hard seal ball valve solves the problems that existing hard seal ball valves cannot work at an ultra high temperature for a long time. The ultra-high-temperature hard seal ball valve comprises an upper cover, a bonnet, a valve body, a valve rod and a ball, wherein a valve seat assembly is sleeved with the valve body, the valve rod sequentially penetrates through the upper cover and the bonnet to be connected with the ball, sealing elements are arranged between the upper cover and the valve rod and between the bonnet and the valve rod, a medium channel for medium circulation is arranged in the ball, an airtight cooling cavity surrounds the outer side of the medium channel in the ball, and a through hole for coolants to pass through is formed in the valve rod and communicated with the cooling cavity. According to the ultra-high-temperature hard seal ball valve, the accommodating cavity is formed in the ball, and the through hole is formed in the valve rod and communicated with the accommodating cavity, so that the ball valve can feed the coolants into products when the ball valve works at the ultra high temperature, deformation of the valve rod and the ball due to long-term working at the ultra high temperature can be avoided, and service lives and working performances of the products are guaranteed.
Description
Technical field
The utility model relates to a kind of valve, is specifically related to a kind of superhigh temperature hard seal ball valve.
Background technique
ball valve was come out the 1950's, and along with scientific and technical develop rapidly, updating of production technology and product structure, in the 40 short years, developed rapidly and become a kind of main valve class.In the west flourishing country of industry, the use of ball valve is constantly risen year by year, in China, ball valve is widely used in industries such as petroleum refining, long-distance transport pipes, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, iron and steel, occupies very important status in national economy.There is following some advantage in existing hard seal ball valve: one, wear-resisting; Because the spool of hard seal ball valve is the alloyed steel surfacing, seal ring is the alloyed steel built-up welding, so hard seal ball valve can not produce too large wearing and tearing when switch.Two. long service life, applied widely, be widely used in all departments such as oil, chemical industry, generating, papermaking, atomic power, aviation, rocket, and in people's daily life.But along with social development and scientific and technological progress, hard seal ball valve is had higher requirement, require the hard seal ball valve can still long-term work normally under superhigh temperature, soft sealing ball valve be when surpassing 250 °, and leaking just easily appears in seal ring or sealing seat.Existing hard seal ball valve is the highest also can only work below 550 °, work in high temperature or superhigh temperature situation and easily cause valve rod and spheroid distortion, the distortion of valve rod exists staff or motor can not drive stem movement, thereby can not normally open or close closed solid sphere, there is great potential safety hazard, and the distortion of spheroid easily makes the sealability variation of product, there is the potential safety hazard of leaking.
Summary of the invention
For solving the problem that in background technique, existing hard seal ball valve can not work long hours under superhigh temperature, the utility model provides a kind of superhigh temperature hard seal ball valve.
The technical solution of the utility model is: a kind of superhigh temperature hard seal ball valve, comprise upper cover, valve gap, valve body, valve rod and spheroid, be arranged with valve component in described valve body, described valve rod is connected with spheroid through upper cover, valve gap successively, between described upper cover and valve rod, between valve gap and valve rod, be equipped with Sealing, be provided with the medium channel for the medium circulation in described spheroid, the outer ring of described spheroid medium channel is wound with airtight cooling chamber, be provided with the through hole passed through for cooling liquid in described valve rod, described through hole is connected with cooling chamber.
As a kind of improvement of the present utility model, described valve rod comprises upper valve rod and lower valve rod, and described upper valve rod and spheroid are the integral type structure, and described lower valve rod matches with spheroid.
As further improvement of the utility model, described lower valve rod is provided with cooling liquid inlet, described upper valve rod is provided with cooling liquid outlet, and the cooling liquid inlet on described lower valve rod is provided with cooling liquid outlet by the through hole on valve rod, cooling chamber with upper valve rod and is connected.
As further improvement of the utility model, be provided with annular spheroid cover plate in described spheroid, described spheroid cover plate and sphere inner wall form described airtight cooling chamber.
As further improvement of the utility model, be equipped with the cooling channel for the cooling liquid circulation on described upper cover and valve gap, described cooling channel is connected with the valve rod outer wall.
As further improvement of the utility model, described Sealing passes through disc spring pressing.
As further improvement of the utility model, described valve component comprises valve seat body, bellows and valve seat supporting element, described valve body is provided with valve inleting water hole and valve body osculum, the annular cooling bath that described valve inleting water hole is provided with the valve seat supporting element is connected, and described annular cooling bath is connected with the external world by space outerpace, the valve body osculum of bellows.
As further improvement of the utility model, described bellows comprises the first bellows and the second bellows, be connected with respectively the first connecting ring and the second connecting ring on described the first bellows and the second bellows, described the first connecting ring and valve seat body fit, the second connecting ring is connected with the first bellows, described annular cooling bath is connected respectively at space in the pipe of the second bellows and the pipe external space, and in the pipe of described the second bellows, space is connected with the external world by space outerpace, the valve body osculum of the first bellows.
As further improvement of the utility model, described valve seat body adopts exotic material one-body molded.
As further improvement of the utility model, the outer surface of described valve body is welded with chuck, between described chuck and valve outer surface, forms holding cavity, and described chuck is provided with water-cooling tube.
The beneficial effects of the utility model are, be provided with cooling chamber in spheroid, be provided with through hole in valve rod, and through hole and communicating with cooling cavity, while making the utility model work, can, to the logical cooling liquid of product, avoid valve rod and spheroid working deformation under long superhigh temperature under superhigh temperature, thereby guaranteed the performance in working life and when work of product, wider Applicable scope has been arranged.
The accompanying drawing explanation
The structural representation that accompanying drawing 1 is the utility model embodiment.
The enlarged diagram that accompanying drawing 2 is I place in accompanying drawing 1.
The enlarged diagram that accompanying drawing 3 is P place in accompanying drawing 1.
In figure, 1, upper cover; 2, valve gap; 3, valve body; 31, valve inleting water hole; 32, valve body osculum; 4, valve rod; 41, through hole; 42, upper valve rod; 421, cooling liquid outlet; 43, lower valve rod; 431, cooling liquid inlet; 5, spheroid; 51, medium channel; 52, cooling chamber; 53, spheroid cover plate; 6, valve component; 61, valve seat body; 62, bellows; 621, the first bellows; 622, the second bellows; 623, the first connecting ring; 624, the second connecting ring; 63, valve seat supporting element; 631, annular cooling bath; 7, Sealing; 8, cooling channel; 9, dish spring; 10, chuck; 11, holding cavity; 12, water-cooling tube; 13, valve stem casing; 14, lower valve rod lid; 15, land.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
By Fig. 1 in conjunction with shown in 2,3, a kind of superhigh temperature hard seal ball valve, comprise upper cover 1, valve gap 2, valve body 3, valve rod 4 and spheroid 5, be arranged with valve component 6 in described valve body 3, usually for the ease of the installation of product, described valve body 3 is split-type structural, and valve body comprises left valve barrel and right valve barrel usually, and left and right valve body is affixed by bolt.Described valve rod 4 is connected with spheroid 5 through upper cover 1, valve gap 2 successively, between described upper cover 1 and valve rod 4, between valve gap 2 and valve rod 4, be equipped with Sealing 7, be provided with the medium channel 51 for the medium circulation in described spheroid 5, the outer ring of described spheroid 5 medium channels 51 is wound with airtight cooling chamber 52, be provided with the through hole 41 passed through for cooling liquid in described valve rod 4, described through hole 41 is connected with cooling chamber 52.The cooling liquid that the utility model adopts is cooling water.Specifically, be provided with annular spheroid cover plate 53 in described spheroid 5, described spheroid cover plate 53 forms described airtight cooling chamber 52 with spheroid 5 inwalls.In particular, spheroid cover plate 53 adopts welding and spheroid to fix.Such structure makes the processing cooling chamber more convenient, and cooling chamber is annular usually, can certainly adopt other shapes.The cooling chamber that is provided with in spheroid of the present utility model, be provided with through hole in valve rod, and through hole and communicating with cooling cavity, while making the utility model work under superhigh temperature, can be to the logical cooling liquid of product, avoid valve rod and spheroid working deformation under superhigh temperature for a long time, thus the performance while having guaranteed working life of product and work, wider Applicable scope is arranged, and this product can normal operation for a long time under at least 900 ° of superhigh temperature.
Described valve rod 4 comprises upper valve rod 42 and lower valve rod 43, and described upper valve rod 42 is the integral type structure with spheroid 5, and described lower valve rod 43 matches with spheroid 5.Described lower valve rod 43 is provided with cooling liquid inlet 431, described upper valve rod 42 is provided with cooling liquid outlet 421, and the cooling liquid inlet 431 on described lower valve rod 43 is provided with cooling liquid outlet 421 by the through hole 41 on valve rod 4, cooling chamber 52 with upper valve rod 42 and is connected.Easily, and upper valve rod and spheroid be that the integral type structure makes the strength ratio of product better, facilitates cooling spheroid simultaneously for dismounting, maintenance that the structure of upper and lower valve rod makes product.In the utility model, cooling water is to pass into from lower valve rod, and the cooling chamber on spheroid is discharged from upper valve rod, thereby forms cooling water circulation, guarantees to carry out enough effectively cooling to spheroid and valve rod.Specifically, the bottom of spheroid 5 is provided with valve stem casing 13, the edge of valve stem casing 13 outwards folds, the middle part of lower valve rod 43 is provided with boss, and during installation, lower valve rod 43 is through valve body 3, its boss part is blocked mutually with valve body 3, now the edge of valve stem casing 13 blocks mutually with spheroid, and lower valve rod 43 is fixing by screw and lower valve rod lid 14, completes the installation of lower valve rod 43.
Be equipped with the cooling channel 8 for the cooling liquid circulation on described upper cover 1 and valve gap 2, described cooling channel 8 is connected with valve rod 4 outer walls.Because upper valve rod is longer, and the cooling water in valve rod flows to upper valve rod from lower valve rod, so such structure can further guarantee that valve rod is by reliably cooling, makes product can adapt to the work of long period, is optimal way of the present utility model.
Described Sealing 7 compresses by dish spring 9.Specifically, an end and the Sealing 7 of dish spring 9 offset, and the fixed block on an other end and the utility model offsets, as the Sealing covered on being arranged on, now the dish spring be with product on land 15 offset, and be arranged on the Sealing on valve gap, dish spring now is to offset with upper cover.Usually in the utility model, Sealing adopts packing seal, and such structure does not need seal gland and bolt fastener, once the Sealing loss, the butterfly spring has automatic compensation function, guarantees the sealing of product.
Described valve component 6 comprises valve seat body 61, bellows 62 and valve seat supporting element 63, described valve body 3 is provided with valve inleting water hole 31 and valve body osculum 32, the annular cooling bath 631 that described valve inleting water hole 31 is provided with valve seat supporting element 63 is connected, and described annular cooling bath 631 is connected with the external world by space outerpace, the valve body osculum 32 of bellows 62.Bellows provides pretightening force for the valve seat body, and when the spheroid expanded by heating, the compressible bellows of valve seat, in order to avoid the sealing surface that bites, guaranteed the sealability of product.Simultaneously arranging of annular cooling bath can be carried out bellows coolingly, guarantees can work at superhigh temperature lower valve base assembly.
Specifically, described bellows 62 comprises the first bellows 621 and the second bellows 622, be connected with respectively the first connecting ring 623 and the second connecting ring 624 on described the first bellows 621 and the second bellows 622, described the first connecting ring 623 fits with valve seat body 61, the second connecting ring 624 is connected with the first bellows 621, described annular cooling bath 631 is connected respectively at space in the pipe of the second bellows 622 and the pipe external space, in the pipe of described the second bellows 622, space is by the space outerpace of the first bellows 621, valve body osculum 32 is connected with the external world.Two groups of bellowss be arranged to install the time larger to the pretightening force of valve seat body, and after work, even spheroid expanded by heating, the scope of the compress bellows of valve seat body is larger, make the sealability of product better, longer service life, and also the space in valve component can facilitate the circulation of cooling water, can carry out valve component coolingly, further improve the product ability that works long hours at high temperature.
Described valve seat body 61 adopts exotic material one-body molded.Described valve seat body adopts the GH3128 high-temperature alloy steel to make specifically, makes the valve seat body that better resistance to high temperature be arranged, and avoids the valve seat body distortion, thus the leakage caused.
The outer surface of described valve body 3 is welded with chuck 10, forms holding cavity 11 between described chuck 10 and valve body 3 outer surfaces, and described chuck 10 is provided with water-cooling tube 12.Specifically, in the utility model, be provided with chuck 10 and water-cooling tube on left and right valve body, such structure can be carried out cooling to valve body, make the valve body surface temperature be less than 100 °, make product be more suitable for working long hours under superhigh temperature, avoid high temperature to accidentally injure the staff simultaneously.
Every technician's notice: although the utility model describes according to above-mentioned embodiment; but invention thought of the present utility model is not limited in this model utility; the repacking of any utilization inventive concept, all will include in this patent scope of patent protection.
Claims (10)
1. a superhigh temperature hard seal ball valve, comprise upper cover (1), valve gap (2), valve body (3), valve rod (4) and spheroid (5), be arranged with valve component (6) in described valve body (3), described valve rod (4) is successively through upper cover (1), valve gap (2) is connected with spheroid (5), between described upper cover (1) and valve rod (4), be equipped with Sealing (7) between valve gap (2) and valve rod (4), be provided with the medium channel (51) for the medium circulation in described spheroid (5), it is characterized in that: the outer ring of described spheroid (5) medium channel (51) is wound with airtight cooling chamber (52), be provided with the through hole (41) passed through for cooling liquid in described valve rod (4), described through hole (41) is connected with cooling chamber (52).
2. superhigh temperature hard seal ball valve according to claim 1, it is characterized in that described valve rod (4) comprises upper valve rod (42) and lower valve rod (43), described upper valve rod (42) is the integral type structure with spheroid (5), and described lower valve rod (43) matches with spheroid (5).
3. superhigh temperature hard seal ball valve according to claim 2, it is characterized in that described lower valve rod (43) is provided with cooling liquid inlet (431), described upper valve rod (42) is provided with cooling liquid outlet (421), and the cooling liquid inlet (431) on described lower valve rod (43) is provided with cooling liquid outlet (421) by the through hole (41) on valve rod (4), cooling chamber (52) with upper valve rod (42) and is connected.
4. superhigh temperature hard seal ball valve according to claim 1, is characterized in that in described spheroid (5) being provided with annular spheroid cover plate (53), and described spheroid cover plate (53) forms described airtight cooling chamber (52) with spheroid (5) inwall.
5. superhigh temperature hard seal ball valve according to claim 1, is characterized in that on described upper cover (1) and valve gap (2) being equipped with the cooling channel (8) for the cooling liquid circulation, and described cooling channel (8) are connected with valve rod (4) outer wall.
6. superhigh temperature hard seal ball valve according to claim 1, is characterized in that described Sealing (7) compresses by dish spring (9).
7. superhigh temperature hard seal ball valve according to claim 1, it is characterized in that described valve component (6) comprises valve seat body (61), bellows (62) and valve seat supporting element (63), described valve body (3) is provided with valve inleting water hole (31) and valve body osculum (32), the annular cooling bath (631) that described valve inleting water hole (31) is provided with valve seat supporting element (63) is connected, and described annular cooling bath (631) is connected with the external world by space outerpace, the valve body osculum (32) of bellows (62).
8. superhigh temperature hard seal ball valve according to claim 7, it is characterized in that described bellows (62) comprises the first bellows (621) and the second bellows (622), be connected with respectively the first connecting ring (623) and the second connecting ring (624) on described the first bellows (621) and the second bellows (622), described the first connecting ring (623) fits with valve seat body (61), the second connecting ring (624) is connected with the first bellows (621), described annular cooling bath (631) is connected respectively at space in the pipe of the second bellows (622) and the pipe external space, in the pipe of described the second bellows (622), space is by the space outerpace of the first bellows (621), valve body osculum (32) is connected with the external world.
9. superhigh temperature hard seal ball valve according to claim 5, is characterized in that described valve seat body (61) adopts exotic material one-body molded.
10. superhigh temperature hard seal ball valve according to claim 1, the outer surface that it is characterized in that described valve body (3) is welded with chuck (10), form holding cavity (11) between described chuck (10) and valve body (3) outer surface, described chuck (10) is provided with water-cooling tube (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320439695.4U CN203384402U (en) | 2013-07-23 | 2013-07-23 | Ultra-high-temperature hard seal ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320439695.4U CN203384402U (en) | 2013-07-23 | 2013-07-23 | Ultra-high-temperature hard seal ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN203384402U true CN203384402U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320439695.4U Expired - Fee Related CN203384402U (en) | 2013-07-23 | 2013-07-23 | Ultra-high-temperature hard seal ball valve |
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| Country | Link |
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| CN (1) | CN203384402U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375604A (en) * | 2013-07-23 | 2013-10-30 | 浙江石化阀门有限公司 | Superhigh temperature rigidity seal ball valve |
| CN105697808A (en) * | 2016-04-18 | 2016-06-22 | 江苏神通阀门股份有限公司 | Novel sealing ball valve with corrugated pipes |
| CN110469687A (en) * | 2019-08-01 | 2019-11-19 | 江苏特一机械股份有限公司 | High temperature NK valve |
-
2013
- 2013-07-23 CN CN201320439695.4U patent/CN203384402U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375604A (en) * | 2013-07-23 | 2013-10-30 | 浙江石化阀门有限公司 | Superhigh temperature rigidity seal ball valve |
| WO2015010381A1 (en) * | 2013-07-23 | 2015-01-29 | 浙江石化阀门有限公司 | Super-high temperature rigidity seal ball valve |
| CN103375604B (en) * | 2013-07-23 | 2015-09-16 | 浙江石化阀门有限公司 | Superhigh temperature rigidity seal ball valve |
| US9447898B1 (en) | 2013-07-23 | 2016-09-20 | Zhejiang Petrochemical Valve Co., Ltd. | Ultra-high temperature rigidity seal ball valve |
| CN105697808A (en) * | 2016-04-18 | 2016-06-22 | 江苏神通阀门股份有限公司 | Novel sealing ball valve with corrugated pipes |
| CN105697808B (en) * | 2016-04-18 | 2018-01-30 | 江苏神通阀门股份有限公司 | A kind of New corrugated pipe seal ball-valve |
| CN110469687A (en) * | 2019-08-01 | 2019-11-19 | 江苏特一机械股份有限公司 | High temperature NK valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20190723 |
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| CF01 | Termination of patent right due to non-payment of annual fee |