CN201103745Y - High-temperature high-pressure valve sealing ring for hydrotreating device - Google Patents
High-temperature high-pressure valve sealing ring for hydrotreating device Download PDFInfo
- Publication number
- CN201103745Y CN201103745Y CNU2007201950933U CN200720195093U CN201103745Y CN 201103745 Y CN201103745 Y CN 201103745Y CN U2007201950933 U CNU2007201950933 U CN U2007201950933U CN 200720195093 U CN200720195093 U CN 200720195093U CN 201103745 Y CN201103745 Y CN 201103745Y
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- valve
- seal ring
- elastic groove
- sealing
- 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 - Lifetime
Links
Images
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model belongs to a component of a valve and particularly relates to a high-temperature and high-pressure valve sealing ring used in a hydrotreater, wherein, the high-temperature and high-pressure valve sealing ring comprises a sealing ring body, wherein, a round annular elastic groove is arranged at an excircle of the sealing ring body; a cone is arranged above the elastic groove; the round annular elastic groove is arranged at the excircle of the sealing ring body, so as to improve deformability and ensure an effective sealing of the valve in fluctuating medium pressure; the cone arranged above the elastic groove is adopted, so as to control contact height of the surface of the sealing ring and the valve, not only sealing specific pressure at the sealing ring is effectively controlled, but also overlaying welding material in the valve body is saved; therefore, the valve sealing ring has the outstanding advantages of easy deformation and good sealing performance.
Description
Technical field
The utility model belongs to the parts on a kind of valve, is specifically related to the sealed member in a kind of high-temperature high pressure valve.
Background technique
Hydrotreater is mainly used on hydrofinishing and the hydrocracking unit with high-temperature high pressure valve, such device is the up-and-coming youngster of modern petroleum refining industry, can handle various feedstock oils and Related product thereof, development hydrogenation technique and hydrogen addition technology, be to adjust the oil refining apparatus structure, improve the effective way of fuel oil quality.The height of hydrogenation ability reflects the height of oil refining level.The hydrotreater high-temperature high pressure valve is the assurance of the normal operation of High-pressure Hydrogenation Unit.
Hydrotreater with the general operational condition of high-temperature high pressure valve is:
Operation pressure: 8.0Mpa～20.0Mpa;
Operating temperature: generally speaking less than 400 ℃, Max500 ℃;
Medium: 1. oil product (greater than 260 ℃ time have sulfur corrosion);
2. hydrogen, hydrogen+hydrogen sulfide;
3. oil product+hydrogen+hydrogen sulfide.
Because particularity of working conditions:
The firstth, inflammable, explosive medium, sealing must be reliable.
The sealing principle of seal ring: by tightening locking nut (or fastening nut is by hanging tight double-screw bolt), promote Stuffing box (or valve gap), compress seal ring, make seal ring in the pretension process, can access one homogeneous deformation, reach pretightening unit sealing load, thereby satisfy seal request.
The typical structure of conventional seal ring as shown in Figure 1.As can be seen from the figure, conventional seal ring is than higher, and it is abundant that profile seems.Because the existence in last flat thread hole, make seal ring again than broad, simultaneously, S value big (maximum reach 2mm), the comprehensive function of above factor, the rigidity of conventional seal ring is excessive, and the distortion difficulty is not easy sealing, when pressure medium fluctuates, the generation pretightening unit sealing load is not enough, and the self-compensation situation ability easily produces external leakage.
Summary of the invention
The purpose of this utility model is, a kind of hydrotreater high-temperature high pressure valve seal ring of guaranteeing that the situation lower valve in the pressure medium fluctuation can both effectively seal is provided.
The utility model is achieved in that a kind of hydrotreater high-temperature high pressure valve seal ring, and it comprises seal ring coil, wherein, has the elastic groove of a circle annular on the seal ring coil cylindrical, is the conical surface more than elastic groove.
The utility model has the advantages that: owing on the seal ring coil cylindrical, have the elastic groove of a circle annular, increase its deformability, guarantee effectively to seal at the situation lower valve of pressure medium fluctuation; Seal ring is the conical surface with the upper part at elastic groove, can control the contact height of seal ring and valve body sealing surface, can either effectively control the seal pressure on the seal ring, can save valve body lumen resurfacing welding material again, therefore it has distortion easily, outstanding advantage such as good seal performance.
Description of drawings
Fig. 1 is the typical structure of conventional seal ring;
A kind of hydrotreater high-temperature high pressure valve seal ring that Fig. 2 provides for the utility model.
Among the figure, 1 conical surface, 2 elastic grooves.
Embodiment
As shown in Figure 2, a kind of hydrotreater high-temperature high pressure valve seal ring provided by the utility model, on seal ring with outer, opened the elastic groove 2 of a circle annular,, guaranteed effectively to seal at the situation lower valve of pressure medium fluctuation to increase its deformability.Seal ring is processed into a conical surface 1 at elastic groove 2 with the upper part, and main purpose is the contact height of control seal ring and valve body sealing surface, both can effectively control the seal pressure on the seal ring, can save valve body lumen resurfacing welding material again.
The new structure seal ring has taken into full account the actual conditions such as power of being born on valve pressure, bore and the seal ring when physical dimension designs, therefore, it is small and exquisite that the new structure seal ring has profile, and distortion is easy, outstanding advantage such as good seal performance.
The seal ring that the utility model can be used as in the high-temperature high pressure valve uses.
Claims (1)
1. hydrotreater high-temperature high pressure valve seal ring, it comprises seal ring coil, it is characterized in that: having the elastic groove (2) of a circle annular on the seal ring coil cylindrical, is the conical surface (1) more than elastic groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201950933U CN201103745Y (en) | 2007-11-16 | 2007-11-16 | High-temperature high-pressure valve sealing ring for hydrotreating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201950933U CN201103745Y (en) | 2007-11-16 | 2007-11-16 | High-temperature high-pressure valve sealing ring for hydrotreating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201103745Y true CN201103745Y (en) | 2008-08-20 |
Family
ID=39950771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201950933U Expired - Lifetime CN201103745Y (en) | 2007-11-16 | 2007-11-16 | High-temperature high-pressure valve sealing ring for hydrotreating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201103745Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042121A (en) * | 2015-08-11 | 2015-11-11 | 玉环县和成铜业有限公司 | Exhaust valve on distributor |
-
2007
- 2007-11-16 CN CNU2007201950933U patent/CN201103745Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042121A (en) * | 2015-08-11 | 2015-11-11 | 玉环县和成铜业有限公司 | Exhaust valve on distributor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201560998U (en) | Hydraulic oil cylinder with novel guide sleeve structure | |
| CN203286121U (en) | Self-sealing gate valve | |
| CN202733009U (en) | Flange two-way pressure hard sealing butterfly valve | |
| CN201326758Y (en) | Pressure self-sealing gate valve | |
| CN103591327A (en) | High-pressure packing self-sealing balanced type forging switch ball valve | |
| CN202955270U (en) | Hard sealing ball valve | |
| CN201103745Y (en) | High-temperature high-pressure valve sealing ring for hydrotreating device | |
| CN203627856U (en) | Forged steel gate valve | |
| CN201462019U (en) | High-temperature metal sealing expansion valve | |
| CN2931995Y (en) | Valve | |
| CN203547982U (en) | Novel sparking plug steel jacket sealing structure | |
| CN101608690A (en) | Uprise the self-tightening face seals under the press strip spare | |
| CN202927120U (en) | High-pressure top-loading type eccentrically-adjusting spherical valve | |
| CN202691171U (en) | High pound level forged steel full-open swing check valve | |
| CN203757161U (en) | Packing box and valve connecting and sealing structure | |
| CN204900910U (en) | Novel plug valve | |
| CN201973277U (en) | Plug valve structure with sealing bush | |
| CN202302034U (en) | Internal-pressure self-sealing valve structure | |
| CN203052039U (en) | Combined gasket | |
| CN202612697U (en) | Anti-leak ball valve | |
| CN201236793Y (en) | Hydraulic valve cover or cylinder cap for high pressure drilling pump | |
| CN201180504Y (en) | Fast joint used for petroleum drilling and extraction | |
| CN204805610U (en) | Removable self -tightening high temperature valve seat seal structure of track ball valve | |
| CN212429391U (en) | Oil cylinder with valve on coal lock of gasification furnace | |
| CN203316093U (en) | Structure used for prolonging service life of kettle body sealing face of high-temperature and high-pressure kettle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080820 |