CN213575880U - Wear-resistant valve - Google Patents
Wear-resistant valve Download PDFInfo
- Publication number
- CN213575880U CN213575880U CN202022077048.6U CN202022077048U CN213575880U CN 213575880 U CN213575880 U CN 213575880U CN 202022077048 U CN202022077048 U CN 202022077048U CN 213575880 U CN213575880 U CN 213575880U
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- CN
- China
- Prior art keywords
- valve body
- cavity
- fluid
- valve
- wear
- 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.)
- Expired - Fee Related
Links
- 238000000926 separation method Methods 0.000 claims abstract description 42
- 239000012530 fluid Substances 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 11
- 230000002265 prevention Effects 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 210000002445 nipple Anatomy 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 206010028347 Muscle twitching Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000000214 mouth Anatomy 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052586 apatite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- -1 metallurgy Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 239000011044 quartzite Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Details Of Valves (AREA)
Abstract
A wear-resistant valve relates to the technical field of valves, and comprises a lower valve body and an upper valve body, the lower valve body and the upper valve body are connected into a whole through a bolt, an inlet cavity, a fluid cavity and an outlet cavity are sequentially arranged in the lower valve body, a valve core is arranged between the inlet cavity and the fluid cavity, a blocking component for controlling the connectivity between the fluid cavity and the outlet cavity is arranged between the fluid cavity and the outlet cavity, the valve body and the separation component are connected into a whole, an anti-scour short joint is arranged between the inlet cavity and the external environment, the anti-scour short section is provided with a buffer component, the utility model connects the lower valve body and the anti-scour short section into a whole through the locking hole, the impact prevention short section can effectively block partial sand bodies in fluid and the impulsive force of the flow, effectively relieve the impulsive force of the valve body and the abrasion effect of the sand bodies, and is convenient to replace the damaged impact prevention short section, simple in structure and low in cost.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to stand wear and tear valve.
Background
In industries such as petroleum, coal, metallurgy, chemical industry and the like, the valve is widely applied, because the pipeline contains a large amount of granular materials and ore sand, the valve in the pipeline is relatively seriously worn, particularly in the petroleum and natural gas industry, the valve wear problem is particularly prominent, for example, natural gas is used for sand discharge, the natural gas contains high-hardness quartz sand, the internal and external pressure difference is large in the sand discharge process, gravel flows at high speed in the pipeline valve, and high-speed flow impact and wear can be generated on a valve core and a valve seat, so that the sealing surface of the valve and the valve seat are seriously eroded and worn, and the sealing surface fails to leak. Usually, under the working condition of high pressure containing hard particles, the service cycle of the valve can reach 3 months, and the service cycle of the valve is 2 weeks to 3 weeks, meanwhile, the requirement of the valve on the automaticity of various industries is higher and higher, and the requirement of the increase of the opening and closing frequency on the valve is stricter. At present, the whole oil and gas industry uses more ball valves, and the ball valves need to be sprayed by high alloy under the special working condition, but due to the special structure of the ball valves, the phenomenon of blocking easily occurs, and even if the sprayed ball valves have poor erosion and wear resistant effect, the replacement frequency is also high. Meanwhile, the abrasion problem of the pipeline conveying valve in some coal industries is also serious. The raw coal contains minerals with high hardness, such as quartzite (HV900-1280), pyrite (HV750-900), feldspar (HV600-750), etc. The hardness of the minerals exceeds the quenching hardness (HV450-600) of medium and low carbon steel, and the hard abrasive abrasion with high abrasion rate is generated after the minerals act on the surface of the part. The hardness of limestone, apatite and the like in the gangue is mostly HV (450-.
At present, the economic development of China also urgently needs the rapid improvement of the valve technology, although various manufacturers in the valve industry of China are gradually increasing the research and development strength, the product technology is compatible, the competition is not strong, and the produced valve variety can only meet the market demand by about 70%. Especially in the energy industry, the valve product of waiting to develop or just trying on can not satisfy the requirement of using the operating mode yet, for solving above-mentioned technical problem, the utility model provides a stand wear and tear valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: for the technical problem who proposes among the solution background art, the utility model provides a stand wear and tear valve.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the wear-resistant valve comprises a lower valve body and an upper valve body, wherein the lower valve body and the upper valve body are connected into a whole through a bolt, an inlet cavity, a fluid cavity and an outlet cavity are sequentially arranged in the lower valve body, a valve core is arranged between the inlet cavity and the fluid cavity, a separation assembly used for controlling the connectivity between the fluid cavity and the outlet cavity is arranged between the fluid cavity and the outlet cavity, the valve body and the separation assembly are connected into a whole, a scour prevention short section is arranged between the inlet cavity and the external environment, and a buffer assembly is arranged on the scour prevention short section.
Further, the separation subassembly includes the picture peg that can follow vertical direction motion, the top rigid coupling of picture peg has the connecting axle, the connecting axle extends the valve body and its terminal rigid coupling has the handle.
Furthermore, a sealing gasket and a sealing cap are sequentially sleeved on the connecting shaft from bottom to top, and a part of the sealing cap is positioned in an external environment, and a part of the sealing cap is in contact with the upper valve body.
Furthermore, buffer unit is including being the annular connecting plate of circle, a plurality of separation blades have set firmly on the connecting plate, separation blade and connecting plate are perpendicular, the separation blade is along the central extension line of ring no longer the center of ring, the end of separation blade is sealed through the solid slab.
Furthermore, buffer unit is including being the annular connecting plate of circle, a plurality of separation blades have set firmly on the connecting plate, separation blade and connecting plate are perpendicular, the separation blade is along the central center of the no ring of extension line at ring center, two liang of adjacent separation blades connect into cylindricly through the filter screen that sets up at its outer fringe, the end of separation blade is sealed and is formed oval through the filter screen.
Furthermore, locking holes for connecting the lower valve body and the anti-scouring short section into a whole are uniformly distributed on the connecting plate along the circumference.
Furthermore, a sealing structure is arranged between the valve core and the lower valve body.
The utility model discloses a theory of operation and beneficial effect as follows:
1. the utility model discloses when the fluid that contains the sand body gets into down the valve body through the oral cavity, the separation blade of the scour protection nipple joint of setting on the oral cavity slows down fluidic flow velocity to reduce the impulsive force that the fluid brought for the valve body, reduce the damage of fluid to the valve body, if need not to mix in the fluid when, then set up the filter screen at the separation blade outward flange with the separation of the part sand body in the fluid in the scour protection nipple joint, thereby reduce the friction of the sand body to the valve body, life-span when extension valve body uses, when scour protection nipple joint wearing and tearing are serious simultaneously, it can to change it, the utility model discloses simple structure, it is with low costs, can effectively alleviate the damage of fluid to the valve body simultaneously.
2. Separation subassembly is including following the picture peg of vertical direction motion, the top rigid coupling of picture peg has the connecting axle, the connecting axle extends valve body and its terminal rigid coupling and has the handle, by the cover in proper order on going on the connecting axle is equipped with seal gasket and sealed cap, sealed cap partly lies in partly and last valve body contact in the external environment, and through the handle of twitching the separation subassembly, the handle drives the connecting axle removal rather than being connected, and the connecting axle of removal drives the picture peg removal rather than being connected to realize switching on of fluid chamber and export chamber, easy operation can effectively realize sealedly through the setting of seal gasket and sealed cap simultaneously.
3. Buffering subassembly is including being the annular connecting plate of circle, a plurality of separation blades have set firmly on the connecting plate, separation blade and connecting plate are perpendicular, the separation blade is along the center of the no-more ring of extension line at ring center, two liang of adjacent separation blades connect into cylindricly through the filter screen that sets up at its outer fringe, the end of separation blade seals and forms the ellipse through the filter screen, along the circumference equipartition have on the connecting plate be used for connecting valve body and scour protection nipple joint locking hole as an organic whole down, realize through setting up of locking hole that the dismantlement of scour protection nipple joint and valve body is connected, be convenient for realize the change to the scour protection nipple joint when damaging seriously, realize the speed reduction to the fluid that gets into by the entrance through setting up the separation blade to reduce the damage of fluid to the valve body.
4. Be equipped with sealing structure between case and the lower valve body, through the setting of wind gap structure, can effectively realize the separation of entrance and fluid cavity.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the anti-scour short joint of the utility model;
FIG. 3 is a cross-sectional view of the anti-scour short section of the utility model;
reference numerals: the anti-collision valve comprises a 1-interface flange, a 2-anti-collision short section, a 2.1-connecting plate, a 2.2-locking hole, a 2.3-filter screen, a 2.4-baffle, a 3-inlet cavity, a 4-sealing structure, a 5-valve core, a 6-inserting plate, a 7-outlet cavity, an 8-bolt, a 9-upper valve body, a 10-lifting handle, an 11-sealing cap, a 12-sealing gasket, a 13-connecting shaft and a 14-fluid cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1-3, a stand wear and tear valve, including lower valve body and last valve body 9, lower valve body and last valve body 9 pass through bolt 8 and connect as an organic whole, be equipped with inlet chamber 3, fluid cavity 14 and export chamber 7 in the lower valve body in order, be equipped with case 5 between inlet chamber 3 and fluid cavity 14, be equipped with the separation subassembly that is used for controlling connectivity between fluid cavity 14 and the export chamber 7, valve body and separation subassembly are connected as an organic whole, be equipped with scour protection nipple joint 2 between inlet chamber 3 and the external environment, be equipped with buffer assembly on scour protection nipple joint 2.
Preferably, the separation subassembly includes picture peg 6 that can follow vertical direction motion, the top rigid coupling of picture peg 6 has connecting axle 13, connecting axle 13 extends upper valve body 9 and its terminal rigid coupling has handle 10, the cover is equipped with seal gasket 12 and sealed cap 11 from bottom to top in proper order on connecting axle 13, sealed cap 11 partly lies in partly and the contact of upper valve body 9 in the external environment, through the handle 10 of twitching the separation subassembly, handle 10 drives the connecting axle 13 removal rather than being connected, the connecting axle 13 of removal drives picture peg 6 removal rather than being connected, thereby realize switching on of fluid chamber 14 and export chamber 7, and easy operation, simultaneously can effectively realize sealedly through setting up of seal gasket 12 and sealed cap 11.
Preferably, the buffer component comprises a circular connecting plate 2.1, a plurality of baffle plates 2.4 are fixedly arranged on the connecting plate 2.1, the baffle plates 2.4 are perpendicular to the connecting plate 2.1, the extension lines of the baffle plates 2.4 along the center of the circular ring are not larger than the center of the circular ring, and the tail ends of the baffle plates 2.4 are sealed through solid plates.
Preferably, buffer unit is including being annular connecting plate 2.1, a plurality of separation blades 2.4 have set firmly on connecting plate 2.1, separation blade 2.4 and connecting plate 2.1 are perpendicular, separation blade 2.4 is along the center of the no ring of the central extension line of ring, two liang of adjacent separation blades 2.4 connect into cylindricly through setting up filter screen 2.3 at its outer fringe, separation blade 2.4's end seals and forms the ellipse through filter screen 2.3, it has the locking hole 2.2 that is used for being connected as an organic whole lower valve body and scour prevention nipple joint 2 to follow the circumference equipartition on the connecting plate 2.1, realize the dismantled connection of scour prevention nipple joint 2 and valve body through the setting up of locking hole 2.2, be convenient for when damaging serious realize the change to scour prevention nipple joint 2, realize the speed reduction to the fluid that gets into by entrance 3 through setting up separation blade 2.4, thereby reduce the damage of fluid to the valve body.
Preferably, a sealing structure 4 is arranged between the valve core 5 and the lower valve body, and the blocking of the inlet cavity 3 and the fluid cavity 14 can be effectively realized through the arrangement of the air port structure.
The utility model discloses: when the fluid that contains the sand body is in getting into down the valve body through entrance 3, the separation blade 2.4 of scour protection nipple joint 2 of setting on entrance 3 slows down fluidic flow velocity, thereby reduce the impulsive force that the fluid brought for the valve body, reduce the damage of fluid to the valve body, if need not in the fluid when mixing, then set up the filter screen 2.3 at separation blade 2.4 outward flange in with the part sand body separation in the fluid in scour protection nipple joint 2, thereby reduce the friction of the sand body to the valve body, life-span when the extension valve body uses, when scour protection nipple joint 2 wearing and tearing are serious simultaneously, it can be changed with it, the utility model discloses simple structure, it is with low costs, can effectively alleviate the damage of fluid to the valve body simultaneously.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (4)
1. A wear-resistant valve comprises a lower valve body and an upper valve body (9), wherein the lower valve body and the upper valve body (9) are connected into a whole through a bolt (8), and the wear-resistant valve is characterized in that an inlet cavity (3), a fluid cavity (14) and an outlet cavity (7) are sequentially arranged in the lower valve body, a valve core (5) is arranged between the inlet cavity (3) and the fluid cavity (14), a separation component for controlling the connectivity between the fluid cavity (14) and the outlet cavity (7) is arranged between the fluid cavity (14) and the outlet cavity, the valve body and the separation component are connected into a whole, a shock-proof short section (2) is arranged between the inlet cavity (3) and an external environment, a buffer component is arranged on the shock-proof short section (2), the buffer component comprises a circular connecting plate (2.1), a plurality of separation blades (2.4) are fixedly arranged on the connecting plate (2.1), and the separation blades (2.4, the extension line of the baffle plate (2.4) along the center of the circular ring is not larger than the center of the circular ring, and the tail end of the baffle plate (2.4) is sealed by a solid plate.
2. A valve as claimed in claim 1, characterised in that said barrier means comprise an insert plate (6) movable in a vertical direction, said insert plate (6) being fixed at the top thereof with a connecting shaft (13), said connecting shaft (13) extending beyond the upper valve body (9) and having a handle (10) fixed at the end thereof.
3. A valve as claimed in claim 2, characterized in that said connecting shaft (13) is provided with a sealing gasket (12) and a sealing cap (11) in sequence from bottom to top, a portion of said sealing cap (11) being located in the external environment and a portion thereof being in contact with said upper valve body (9).
4. A wear-resistant valve according to any one of claims 1-3, characterized in that a sealing structure (4) is provided between the valve element (5) and the lower valve body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022077048.6U CN213575880U (en) | 2020-09-21 | 2020-09-21 | Wear-resistant valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022077048.6U CN213575880U (en) | 2020-09-21 | 2020-09-21 | Wear-resistant valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213575880U true CN213575880U (en) | 2021-06-29 |
Family
ID=76576384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202022077048.6U Expired - Fee Related CN213575880U (en) | 2020-09-21 | 2020-09-21 | Wear-resistant valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213575880U (en) |
-
2020
- 2020-09-21 CN CN202022077048.6U patent/CN213575880U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210629 |