CN220770264U - Slag discharge valve with anti-scouring function - Google Patents
Slag discharge valve with anti-scouring function Download PDFInfo
- Publication number
- CN220770264U CN220770264U CN202322619189.XU CN202322619189U CN220770264U CN 220770264 U CN220770264 U CN 220770264U CN 202322619189 U CN202322619189 U CN 202322619189U CN 220770264 U CN220770264 U CN 220770264U
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- China
- Prior art keywords
- flashboard
- valve
- hole
- valve body
- turbulent flow
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- 239000002893 slag Substances 0.000 title claims abstract description 30
- 238000009991 scouring Methods 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 238000012856 packing Methods 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 abstract description 15
- 239000012535 impurity Substances 0.000 abstract description 12
- 239000002184 metal Substances 0.000 abstract description 11
- 229910052751 metal Inorganic materials 0.000 abstract description 11
- 238000011010 flushing procedure Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000004575 stone Substances 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 nails Chemical class 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Abstract
The utility model relates to a slag discharge valve with an anti-scouring function, which comprises a valve body, a valve seat, a flashboard and a stuffing box, wherein a turbulent flow cover is connected to the front side and/or the rear side of the valve body, a turbulent flow protruding part is arranged at the edge of a central through hole of the turbulent flow cover, the turbulent flow protruding part extends into the central through hole, the turbulent flow cover is positioned at the outer sides of the flashboard and the valve seat, and the turbulent flow protruding part is shielded at the outer side of a valve seat channel hole. The front side and the rear side of the valve are provided with the turbulence covers, after the flow velocity and the rotation state of a medium are destroyed and reduced by the turbulence convex parts on the turbulence covers, the flushing of the flashboard and the valve seat in impurities such as metal, sand and the like in the medium can be reduced, the flashboard and the valve seat on the inner side can be protected, the leakage risk is reduced, and the service life of the valve is prolonged; the problems that under the high-speed rotation action of impurities such as metal, sand stone and sand grains, the valve seat and the surface of a flashboard of the slag discharge valve are quickly eroded and destroyed, and the surface of the flashboard is worn to destroy an upper packing sealing element, so that the sealing of the valve is leaked and the working is invalid are solved.
Description
Technical Field
The utility model relates to a valve, in particular to a slag discharging valve which can be applied to a slag remover.
Background
In some media containing particulate impurities such as metal, sand, etc., it is often necessary to use (high-consistency) slag separator equipment to remove the particulate impurities from the media, resulting in a high quality media. For example, in the paper industry, high-consistency cleaner equipment is often used to remove impurities such as metals (e.g., nails, etc.), sand, etc. having a relatively large specific gravity from the pulp to obtain high-quality pulp; in addition, the high-concentration slag remover is also provided with a slag discharging valve with a control switch, the slag discharging valve is generally arranged below the slag remover, when pulp materials enter the slag remover, the high-speed rotation is carried out, and impurities such as metal, sand and sand are discharged through the slag discharging valve below under the action of centrifugal force. Under the high-speed rotating action of impurities such as metal, sand and sand, the valve seat and the flashboard surface of the slag discharging valve are quickly eroded and damaged, and the surface of the flashboard is worn to damage the upper packing sealing element, so that the sealing leakage of the valve is caused, and the working is invalid.
Disclosure of Invention
In view of the technical problems existing in the background art, the technical problems solved by the utility model aim to provide the slag discharging valve with the anti-scouring function, which can reduce scouring damage and prolong the service life of the valve.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a take scour protection's slag discharge valve, includes valve body, disk seat, flashboard and stuffing box, and disk seat, flashboard and stuffing box dispose on the valve body, its characterized in that: the valve body is further provided with a turbulent flow cover, the turbulent flow cover is connected to the front side and/or the rear side of the valve body, the turbulent flow cover is provided with a central through hole, the edge of the central through hole is provided with a turbulent flow protruding portion, the turbulent flow protruding portion stretches into the central through hole, the turbulent flow cover is located on the outer sides of the flashboard and the valve seat, the central through hole corresponds to the channel hole of the valve seat, and the turbulent flow protruding portion is shielded on the outer side of the channel hole of the valve seat.
The following various optimization or supplementary explanation can be performed on the above technical solutions, respectively.
The vortex convex parts are uniformly arranged on the vortex cover, the central through holes are circular holes, and the vortex convex parts are uniformly arranged along the circumferential direction of the central through holes.
For example, the spoiler protrusions employ radial ribs.
In addition, the front side and the rear side of the valve body are respectively provided with a mounting step hole, the valve seat is respectively arranged in the mounting step holes, and the turbulence cover is connected to the valve body and is blocked on the outer side of the valve seat.
The upper part of the stuffing box is provided with a sealing stuffing, a stuffing pressing block is arranged above the sealing stuffing, the valve body is provided with a stud, the bottom of the stud is connected with the valve body, the upper end of the stud passes through a through hole of the stuffing pressing block to be connected with a nut, and the flashboard passes through the stuffing box to be arranged, and the sealing stuffing is in sealing fit with the flashboard.
And the stuffing box is optimized again, and the lengthened section is positioned below the sealing stuffing, and has a stop position of the impact surface of the flashboard.
The valve body is also provided with a bracket, the bracket is provided with an actuator, and the actuator is in transmission connection with the flashboard.
The slag discharge valve has the beneficial effects that the front side and the rear side of the valve are provided with the turbulence covers, after the turbulence convex parts on the turbulence covers destroy and reduce the flow speed and the rotation state of a medium, the flushing of the flashboard and the valve seat in impurities such as metal, sand and the like in the medium can be reduced, the flashboard and the valve seat on the inner side can be protected, the leakage risk is reduced, and the service life of the valve is prolonged; the problems that under the high-speed rotation action of impurities such as metal, sand stone and sand grains, the valve seat and the surface of a flashboard of the slag discharge valve are quickly eroded and destroyed, and the surface of the flashboard is worn to destroy an upper packing sealing element, so that the sealing of the valve is leaked and the working is invalid are solved. Thus, the present utility model is a substantial feature and improvement over the prior art.
Drawings
The details and working principles of the embodiments and examples of the present utility model are described below with reference to the drawings.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view A-A of fig. 1.
Fig. 3 is an enlarged view of B in fig. 2.
In the figure: 1. a valve body; 2. a valve seat; 3. a flashboard; 4. a stuffing box; 5. a spoiler cover; 6. a central through hole; 7. a turbulence protrusion; 8. installing a step hole; 9. a fastener; 10. sealing filler; 11. a filler briquetting; 12. a stud; 13. a nut; 14. an extension section; 15. the flashboard stays at the position of the impacted surface; 16. a bracket; 17. an actuator.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some, but not all, embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making inventive efforts are within the scope of this utility model.
Referring to the drawings, in the embodiment of the present embodiment, a slag discharge valve with an anti-flushing function includes a valve body 1, a valve seat 2, a gate plate 3 and a stuffing box 4, where the valve seat 2, the gate plate 3 and the stuffing box 4 are configured on the valve body 1, the gate plate 3 passes through the stuffing box 4 and is sealed with a sealing stuffing 10 on the stuffing box 4 in a matched manner, so as to ensure that the gate plate 3 keeps sealing in a lifting process and does not leak, and the gate plate 3 is matched with the valve seat 2 to open and close the valve.
In this embodiment, in order to reduce the flushing of the flashboard 3 and the valve seat 2 when the impurities such as metal, sand and the like in the medium rotate at a high speed, a turbulence cover 5 is arranged on the valve body 1, the turbulence cover 5 is connected to the front side and/or the rear side of the valve body 1, the turbulence cover 5 is provided with a central through hole 6 for the medium to pass through the valve, the edge of the central through hole 6 is provided with a turbulence protruding part 7, the turbulence protruding part 7 stretches into the central through hole 6, when the medium passes through the valve, the turbulence protruding part 7 damages and reduces the flow velocity and the rotation state of the medium, particularly when the medium is in the high-speed rotation centrifugal slag tapping of the slag remover, after the flow velocity and the rotation state of the medium are damaged and reduced by the turbulence protruding part 7, the flushing of the flashboard 3 and the valve seat 2 can be reduced, the valve is not easy to leak, and the service life of the valve is prolonged; the turbulent flow cover 5 is located at the outer sides of the flashboard 3 and the valve seat 2, the central through hole 6 is arranged corresponding to the channel hole of the valve seat 2 (usually coaxially arranged), and the turbulent flow protruding part 7 is shielded at the outer side of the channel hole of the valve seat 2 to protect the inner flashboard 3 and the valve seat 2.
According to the slag discharge valve, the turbulence covers 5 are arranged on the front side and the rear side of the valve, after the flow velocity of a medium, the rotation state and the rotation speed of the medium are damaged and reduced by the turbulence convex parts 7 on the turbulence covers 5, the flushing of the flashboard 3 and the valve seat 2 in impurities such as metal, sand and the like in the medium can be reduced, the inner flashboard 3 and the valve seat 2 can be protected, the leakage risk is reduced, and the service life of the valve is prolonged; the problems that the valve seat 2 and the surface of the flashboard 3 of the slag discharging valve are quickly eroded and destroyed under the high-speed rotation action of impurities such as metal, sand grains and the like, and the surface of the flashboard 3 is worn to destroy an upper packing sealing element, so that the valve is sealed and leaked and the work is invalid are solved, and the turbulent flow anti-erosion function is realized.
The following optimizations or further description can be made on the basis of the above embodiments, respectively.
For example, the turbulent flow protruding portion 7 is evenly arranged on the turbulent flow cover 5, the central through hole 6 is a circular hole, the turbulent flow protruding portion 7 is evenly distributed along the circumferential direction of the central through hole 6, the disturbing effect is relatively even, the effect of reducing the flow velocity of the medium and the rotating state is relatively good, and the operation is stable. For another example, the spoiler protrusion 7 may be a radial protrusion, and the inner hole of the spoiler cover 5 is formed in a quincuncial shape.
Wherein, the front and back sides of the valve body 1 are respectively provided with a mounting step hole 8, and the valve seat 2 is respectively arranged in the mounting step holes 8; in addition, the vortex lid 5 is connected on the valve body 1 and seals the outside of keeping off at disk seat 2, and disk seat 2 can be installed on the valve body 1 by the cooperation of vortex lid 5, seals the installation step hole 8 that keeps off disk seat 2 cooperation fixed in disk seat 2 through vortex lid 5, and the structure is compacter relatively, easy dismounting, the follow-up maintenance of being convenient for. The turbulent flow cover 5 and the valve body 1 can be connected by a fastener 9 (such as a bolt) so as to be convenient for disassembly and assembly. Of course, sealing rings are arranged between the valve seat 2 and the valve body 1 and between the valve seat 2 and the turbulence cover 5 for sealing, so that leakage is prevented.
The upper part (mounting hole) of the packing box 4 is provided with a sealing packing 10, a packing pressing block 11 is arranged above the sealing packing 10, a stud 12 is arranged on the valve body 1, the bottom of the stud 12 is connected to the valve body 1, the upper end of the stud 12 passes through a through hole of the packing pressing block 11 to be connected with a nut 13, the packing pressing block 11 is locked by the nut 13, and the nut 13 is pressed on the packing pressing block 11. The flashboard 3 passes through the stuffing box 4, and the sealing stuffing 10 is in sealing fit with the flashboard 3.
In addition, the stuffing box 4 has an extension 14, which is formed to have a longer length than the conventional stuffing box 4, the extension 14 being located below the sealing packing 10, the extension 14 having a gate impact surface residence position 15. When the flashboard 3 is in a closed state, the surface of the flashboard 3 can be impacted by a medium, namely the flashboard 3 has a flashboard impact surface; when the gate plate 3 is opened in place, the impact surface of the gate plate stays at the stop position 15 of the impact surface of the gate plate of the lengthened section 14 along with the rising of the gate plate 3, the stop position cannot reach the position where the sealing filler 10 is contacted and contacted, the position of the sealing filler 10 of the stuffing box 4 with the lengthened section 14 is relatively higher, even if the upper surface of the gate plate 3 is subjected to impact abrasion, the sealing filler 10 cannot be damaged, the sealing filler 10 is prevented from being damaged, and the sealing filler 10 is not easy to leak.
The valve body 1 is also provided with a bracket 16, the bracket 16 is provided with an actuator 17, the actuator 17 is in transmission connection with the flashboard 3, and the flashboard 3 is driven to operate by the actuator 17.
Claims (7)
1. The utility model provides a take scour protection's slag discharge valve, is including valve body (1), disk seat (2), flashboard (3) and stuffing box (4), and disk seat (2), flashboard (3) and stuffing box (4) dispose on valve body (1), its characterized in that:
still be equipped with vortex lid (5) on valve body (1), the front side and/or the rear side at valve body (1) are connected to vortex lid (5), vortex lid (5) have central through-hole (6), the edge of central through-hole (6) is equipped with vortex bellying (7), vortex bellying (7) stretch into in central through-hole (6), vortex lid (5) are located the outside of flashboard (3) and disk seat (2), the passageway hole of central through-hole (6) and disk seat (2) corresponds the setting, vortex bellying (7) shelter from in the outside of disk seat (2) passageway hole.
2. The slag discharge valve with anti-scouring function as set forth in claim 1, wherein: the turbulent flow protruding parts (7) are uniformly arranged on the turbulent flow cover (5), the central through hole (6) adopts a round hole, and the turbulent flow protruding parts (7) are uniformly arranged along the circumferential direction of the central through hole (6).
3. The slag discharge valve with anti-scouring function as set forth in claim 1, wherein: the turbulent convex part (7) adopts radial convex strips.
4. The slag discharge valve with anti-scouring function as set forth in claim 1, wherein: the front side and the rear side of the valve body (1) are respectively provided with an installation step hole (8), the valve seat (2) is respectively arranged in the installation step holes (8), and the turbulence cover (5) is connected to the valve body (1) and is blocked at the outer side of the valve seat (2).
5. The slag discharge valve with anti-scouring function as set forth in claim 1, wherein: the upper portion of packing box (4) sets up sealing filler (10), and the top of sealing filler (10) is equipped with packing briquetting (11), and valve body (1) are provided with double-screw bolt (12), and the bottom of double-screw bolt (12) is connected at valve body (1), and the through-hole that packing briquetting (11) were passed to the upper end of double-screw bolt (12) is connected with nut (13), and flashboard (3) pass the setting from packing box (4), sealing filler (10) and flashboard (3) sealing fit.
6. The slag discharge valve with anti-scouring function as defined in claim 5, wherein: the stuffing box (4) is provided with an extension section (14), the extension section (14) is positioned below the sealing stuffing (10), and the extension section (14) is provided with a flashboard impact surface stop position (15).
7. The slag discharge valve with anti-scouring function as set forth in claim 1, wherein: a support (16) is further arranged on the valve body (1), an actuator (17) is arranged on the support (16), and the actuator (17) is in transmission connection with the flashboard (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322619189.XU CN220770264U (en) | 2023-09-26 | 2023-09-26 | Slag discharge valve with anti-scouring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322619189.XU CN220770264U (en) | 2023-09-26 | 2023-09-26 | Slag discharge valve with anti-scouring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220770264U true CN220770264U (en) | 2024-04-12 |
Family
ID=90598321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322619189.XU Active CN220770264U (en) | 2023-09-26 | 2023-09-26 | Slag discharge valve with anti-scouring function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220770264U (en) |
-
2023
- 2023-09-26 CN CN202322619189.XU patent/CN220770264U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |