CN220910491U - Slag discharging valve - Google Patents
Slag discharging valve Download PDFInfo
- Publication number
- CN220910491U CN220910491U CN202322920016.1U CN202322920016U CN220910491U CN 220910491 U CN220910491 U CN 220910491U CN 202322920016 U CN202322920016 U CN 202322920016U CN 220910491 U CN220910491 U CN 220910491U
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- CN
- China
- Prior art keywords
- valve
- shaft
- sealing surface
- set forth
- core
- 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.)
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- 239000002893 slag Substances 0.000 title claims abstract description 22
- 238000007599 discharging Methods 0.000 title description 10
- 238000007789 sealing Methods 0.000 claims abstract description 42
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 18
- 238000011010 flushing procedure Methods 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model provides a slag discharge valve, which comprises a valve body, a valve cover and a valve shaft, wherein the inner side of the valve cover is connected with the valve seat, the valve seat is provided with a convex arc sealing surface, the valve shaft is connected with a swing arm, the other end of the swing arm is connected with a small shaft, a valve core is arranged on the small shaft, the small shaft is in spherical contact with the valve core, the valve core is provided with a hard seal and a soft seal which are matched with the convex arc sealing surface on the valve seat, the valve seat is provided with a nitrogen channel, air holes are arranged in the channel along the circumferential direction, the air hole direction is opposite to the valve core sealing surface, and the valve body is provided with a nitrogen flushing port opposite to an upper discharge port. The valve is ensured to act for a long time without blocking, and zero leakage is ensured when the valve is closed.
Description
Technical Field
The utility model relates to the field of valves, in particular to a slag discharging valve.
Background
The titanium tetrachloride evaporation furnace needs to carry out slag discharge once every day, a blind plate is inserted into a pipeline, manual slag discharge is carried out by disassembling the blind plate every day, the operation is troublesome, the titanium tetrachloride is easy to burn, the field environment is bad, and potential safety hazards exist in manual slag discharge. The hard sealing ball valve is adopted before, but the medium has the conditions of corrosion, slag adhesion and the like, so that the sealing surface of the valve is corroded and worn, and especially the slag adhesion causes serious blocking of the valve and cannot be normally opened and closed.
Disclosure of utility model
The utility model aims to provide a slag discharging valve which is free from blocking in action and reliable in sealing.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the slag discharging valve comprises a valve body, a valve cover and a valve shaft, wherein the inner side of the valve cover is connected with the valve seat, the valve seat is provided with a convex arc sealing surface, the valve shaft penetrates through shaft seats at two ends of the valve body, a shaft sleeve provided with a dustproof sealing ring is arranged in the shaft seats, the valve shaft is connected with a swing arm, the other end of the swing arm is connected with a small shaft, the swing arm is fixed through double nuts, a valve core is arranged on the small shaft and is fixed through a pressing plate, the small shaft is in spherical contact with the valve core, a hard seal and a soft seal are arranged on the valve core and are matched with the convex arc sealing surface on the valve seat, a nitrogen channel is arranged on the valve seat, air holes are formed in the channel along the circumferential direction, the air hole direction is opposite to the valve core sealing surface, and a nitrogen flushing port is formed in the valve body and opposite to the upper discharge port.
Preferably, the convex circular arc sealing surface has two paths.
Preferably, the small shaft is also connected with the valve core through a flat key.
Preferably, one soft seal is a flexible graphite rubber plate.
Preferably, the air holes are uniformly distributed on the central line.
Preferably, an access opening quick-opening baffle is arranged around the valve body.
Preferably, the tail of the valve shaft is provided with a safety pin.
The utility model provides a slag discharging valve. The beneficial effects are as follows:
1. The swing type valve core structure has the advantages that the valve core has no relative friction with the sealing surface of the valve seat in the closing and opening process, the dustproof sealing ring is arranged between the valve shaft and the bearing to prevent dust from entering, the sealing surface is purged through the nitrogen channel, dry slag dust adhered to the sealing surface is removed, the flexible graphite rubber plate is arranged on the direct contact surface of the valve core and a medium, the adhesion of the medium on the valve core is reduced, and the long-term action of the valve is ensured not to be blocked.
2. The soft and hard dual sealing structure is characterized in that nitrogen is introduced between soft and hard sealing channels, nitrogen is used for cooling the soft sealing ring in the medium heating process, the service life of the sealing ring is prolonged, meanwhile, the nitrogen plays a role in air sealing, the tightness is further improved, and zero leakage is ensured when the valve is closed.
3. The valve core and the small shaft are in spherical contact, and the valve core can be automatically adjusted to compensate machining assembly errors; meanwhile, the valve core is connected with the small shaft through a flat key, so that the valve core is prevented from rotating, and the sealing surface is ensured to be completely attached.
4. The quick-opening baffle for the overhaul port on the valve body is convenient for cleaning the sealing surface and replacing the sealing ring.
5. The tail of the valve shaft is provided with a safety pin hole, after the valve is closed, a safety pin is inserted, and when the driving device fails, the valve is still in a closed state.
Drawings
FIG. 1 is a side cross-sectional view of a structure of the present utility model;
fig. 2 is a front cross-sectional view of the structure of the present utility model.
In the figure, 1, a valve cover; 2. a valve body; 3. a valve core; 4. a valve seat; 5. Swing arms; 6. a valve shaft; 7. a shaft sleeve; 8. a flexible graphite rubber plate; 9. a driving device; 10. a seal ring; 11. a small shaft; 12. a quick opening baffle for an access opening; 13. flushing the port with nitrogen; 14. a nitrogen passage; 15. and a dustproof sealing ring.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a slag discharge valve, valve body, valve gap, valve shaft, valve gap inboard connection disk seat, disk seat are equipped with two convex circular arc sealed faces, and the valve shaft passes from the valve body both ends axle bed, installs the axle sleeve that is equipped with dustproof sealing washer in the axle bed, prevents that the dust from getting into, connects the swing arm on the valve shaft, and the swing arm other end is connected the pony axle, and is fixed through the double nut, installs the case on the pony axle, and is fixed through the clamp plate, realizes swing type case structure, and the case is closed and is opened the in-process with the sealed face of disk seat no relative friction. The small shaft is in spherical contact with the valve core, so that the valve core can be automatically adjusted, and the machining assembly error is compensated. The small shaft is connected with the valve core through a flat key, so that the valve core is prevented from rotating, and the sealing surface is ensured to be completely attached.
The valve core is provided with a hard seal and a flexible graphite rubber plate seal, and the hard seal and the flexible graphite rubber plate seal are matched with the convex arc sealing surface on the valve seat, so that the adhesion of a medium on the valve core is reduced.
The formed soft and hard double sealing structure is characterized in that nitrogen is introduced between soft and hard sealing channels, nitrogen is cooled on the soft sealing ring in the medium heating process, the service life of the sealing ring is prolonged, meanwhile, the nitrogen plays a role in air sealing, the tightness is further improved, and zero leakage is ensured when the valve is closed.
The valve seat is provided with a nitrogen channel, air holes are arranged in the channel along the circumferential direction and are uniformly distributed along the central line, the air holes are opposite to the sealing surface of the valve core, the sealing surface is purged, and dry slag dust adhered to the sealing surface is removed. The valve body is provided with a nitrogen flushing port, the upper discharging port is opposite to the upper discharging port, and when the material is agglomerated and piled up at the discharging port, the nitrogen cannon is used for flushing and discharging the material. The quick-opening baffle for the overhaul port is arranged on the periphery of the valve body, so that the cleaning of the sealing surface and the replacement of the sealing ring are facilitated. The tail of the valve shaft is provided with a safety pin, after the valve is closed, the safety pin is inserted, and when the hydraulic device fails, the valve is still in a closed state.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a slag discharge valve, includes valve body, valve gap, valve shaft, its characterized in that: the valve cover is characterized in that the inner side of the valve cover is connected with the valve seat, the valve seat is provided with a convex arc sealing surface, the valve shaft penetrates through shaft seats at two ends of the valve body, a shaft sleeve provided with a dustproof sealing ring is arranged in the shaft seats, the valve shaft is connected with a swing arm, the other end of the swing arm is connected with a small shaft and is fixed through double nuts, a valve core is arranged on the small shaft and is fixed through a pressing plate, the small shaft is in spherical contact with the valve core, the valve core is provided with a hard seal and a soft seal and is matched with the convex arc sealing surface on the valve seat, a nitrogen channel is arranged on the valve seat, air holes are formed in the channel along the circumferential direction, the air hole direction is opposite to the valve core sealing surface, and the valve body is provided with a nitrogen flushing port and is opposite to the upper discharge port.
2. A slag removal valve as set forth in claim 1 wherein: the convex arc sealing surface has two paths.
3. A slag removal valve as set forth in claim 1 wherein: the small shaft is connected with the valve core through a flat key.
4. A slag removal valve as set forth in claim 1 wherein: the soft seal is a flexible graphite rubber plate.
5. A slag removal valve as set forth in claim 1 wherein: the air holes are uniformly distributed on the central line.
6. A slag removal valve as set forth in claim 1 wherein: and an access hole quick-opening baffle is arranged around the valve body.
7. A slag removal valve as set forth in claim 1 wherein: and the tail part of the valve shaft is provided with a safety pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322920016.1U CN220910491U (en) | 2023-10-31 | 2023-10-31 | Slag discharging valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322920016.1U CN220910491U (en) | 2023-10-31 | 2023-10-31 | Slag discharging valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220910491U true CN220910491U (en) | 2024-05-07 |
Family
ID=90920928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322920016.1U Active CN220910491U (en) | 2023-10-31 | 2023-10-31 | Slag discharging valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220910491U (en) |
-
2023
- 2023-10-31 CN CN202322920016.1U patent/CN220910491U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |