CN203784350U - Bidirectional sealing coking resisting ball valve - Google Patents
Bidirectional sealing coking resisting ball valve Download PDFInfo
- Publication number
- CN203784350U CN203784350U CN201420121256.3U CN201420121256U CN203784350U CN 203784350 U CN203784350 U CN 203784350U CN 201420121256 U CN201420121256 U CN 201420121256U CN 203784350 U CN203784350 U CN 203784350U
- Authority
- CN
- China
- Prior art keywords
- valve
- coking
- ball valve
- spheroid
- valve body
- 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
- 238000004939 coking Methods 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 title claims abstract description 19
- 230000002457 bidirectional effect Effects 0.000 title abstract description 8
- 238000010926 purge Methods 0.000 claims abstract description 19
- 230000003068 static effect Effects 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims abstract description 6
- 238000012856 packing Methods 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 8
- 210000004907 gland Anatomy 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000003111 delayed effect Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- Taps Or Cocks (AREA)
- Details Of Valves (AREA)
Abstract
The utility model discloses a bidirectional sealing coking resisting ball valve. The bidirectional sealing coking resisting ball valve is suitable for a high-temperature oil gas or residualoil pipeline of a delayed coking unit in an oil refinery. Elastic valve seats (17), winding coils (16) and pressing clamps (15) are respectively arranged on two sides of a ball body (15) of the bidirectional sealing coking resisting ball valve; the elastic valve seats (17) adopt an integral structure; the elastic valve seats (17) are in movable sealing with the ball body (15); the elastic valve seats (17) are in static sealing with a main valve body (14) and a secondary valve body (13) through the winding coils (16) and the pressing clamps (5). Due to the adoption of static sealing structures of the bidirectional elastic valve seats (17), the loss of purging steam is effectively reduced. The bidirectional sealing coking resisting ball valve disclosed by the utility model is simple in structure and is strong in sealing property. Compared with the prior art, the bidirectional sealing coking resisting ball valve has the advantage that the loss of purging the steam is reduced by over 95 percent.
Description
Technical field
The utility model belongs to oil refinery delayed coking unit High temperature valve technical field, relates generally to a kind of two way sealed anti-coking ball valve.Be applicable on oil refinery delayed coking unit high-temperature oil gas or Residual Oil Pipeline, with the electric ball valve of steam blowing.
Background technique
At present, the anti-coking ball valve on domestic oil refinery delayed coking unit high-temperature oil gas or Residual Oil Pipeline, major part is selected import anti-coking ball valve.According to incompletely statistics, domestic nearly more than 800 anti-coking ball valves come into operation at oil refinery.In actual use, find that this equipment exists the breakage that purges steam large, one-time investment expense is high, and the realistic problem such as lead time is long, and spare parts and components is incomplete, has increased the one-time investment of new device, makes the device operating cost increase of producing.In the delayed coking unit high-temperature oil gas or Residual Oil Pipeline of some local oil refinery, the domestic high temperature stopcock of two electric actuators is joined in employing, although it is little that this equipment has the breakage of purging steam, purchasing price is only 1/3 of import anti-coking ball valve, the advantages such as maintenance expenses is cheap, but this device structure is complicated, needs additional configuration electrical control cabinet, could participates in coke drum safety interlocking and control.
The patent No. is to have disclosed a kind of anti-coking ball valve in 201120275078.6 patent documentation, spheroid one side-sealing system adopts the moving valve base sealing structure of bellows absorbing thermal expansion, opposite side adopts quiet valve base sealing structure, the same breakage that purges steam that exists of this equipment is large, maintenance cost is high, the anti-coking ball valve of a DN600 of take is example, the about 250kg/h of the breakage that purges steam, approximately 320,000 yuan of annual steam loss expenses.
Model utility content
In view of existing problem in prior art, the utility model designs and discloses a kind of two way sealed anti-coking ball valve, object is to propose a kind ofly can to meet on delayed coking unit high-temperature oil gas or Residual Oil Pipeline, prevent the usage requirement of coking, can reduce to greatest extent the valve of the breakage that purges steam again, to solve existing deficiency in prior art.For achieving the above object, the concrete technological scheme that the utility model is taked is: a kind of two way sealed anti-coking ball valve, mainly consists of electric performance device, driving mechanism, support, the flange that purges steam, compression clamp, linking bond, valve rod, stud, filler, Gland, valve gap, main valve body, auxiliary valve body, spheroid, winding packing ring, elastic seat.Wherein: electric performance device connects with driving mechanism, and driving mechanism is rack-mount, driving mechanism connects with valve rod by linking bond; Support is fixed on valve gap with fastening piece, in the stuffing box between valve gap and valve rod, filler is housed, and for Gland, nut, stud are fastened on valve gap, and becomes the upper sealing system of ball valve with valve gap, valve rod group; The design that is integrated of valve rod and spheroid, is respectively arranged with elastic seat, is wound around packing ring, compresses clamp in spheroid both sides, be motive sealing between elastic seat and spheroid; Winding packing ring is housed between elastic seat and main valve body, auxiliary valve body, by compressing clamp compression, realizes static seal; The flange that purges steam is housed respectively on valve gap, main valve body, auxiliary valve body, communicates with stuffing box, valve pocket.Described a kind of two way sealed anti-coking ball valve, wherein connects and composes a closed valve pocket between main valve body, valve gap, valve rod, spheroid, elastic seat.Described a kind of two way sealed anti-coking ball valve, is wherein full of the steam being greater than more than pressure medium 0.05MPa in closed valve pocket all the time.
A kind of two way sealed anti-coking ball valve described in the utility model, there is the breakage of purging steam little, simple in structure, seal the advantages such as reliable, particularly adopt bidirectional elastic valve seat static seal structure, effectively solved the loss problem that purges steam existing in prior art, the breakage that makes to purge steam is compared with existing anti-coking ball valve, has reduced more than 95%.
Accompanying drawing explanation
Fig. 1 is internal structure schematic diagram of the present utility model;
Fig. 2 is external structure schematic diagram of the present utility model;
Fig. 3 is the A portion structure for amplifying schematic diagram of the utility model Fig. 1.
In figure: 1, electric performance device; 2, driving mechanism; 3, support; 4, the flange that purges steam; 5 compress clamp; 6, linking bond; 7, valve rod; 8, nut; 9, stud; 10, filler; 11, Gland; 12, valve gap; 13, auxiliary valve body; 14, main valve body; 15, spheroid; 16, be wound around packing ring; 17, elastic seat; 18, fastening piece.
Embodiment
Below in conjunction with accompanying drawing, provide embodiment of the present utility model as follows:
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of two way sealed anti-coking ball valve described in the utility model, mainly consists of electric performance device 1, driving mechanism 2, support 3, the flange 4 that purges steam, compression clamp 5, linking bond 6, valve rod 7, stud 9, filler 10, Gland 11, valve gap 12, auxiliary valve body 13, main valve body 14, spheroid 15, winding packing ring 16, elastic seat 17.Wherein: electric performance device 1 connects with driving mechanism 2, driving mechanism 2 is arranged on above support 3, and electric performance device 1, through driving mechanism 2 reinforcements, by being arranged on the valve rod 7 on linking bond 6, drives spheroid 15 rotations, realizes the keying of valve.Support 3 is fixed on valve gap 12 by fastening piece 18, in stuffing box between valve gap 12 and valve rod 7, filler 10 is housed, Gland 11 use nuts 8 on filler 10, stud 9 are fastened on valve gap 12, and form the upper sealing system of ball valves with valve gap 12, valve rod 7.Valve rod 7 and spheroid 15 structure that is the integrated design, arranges respectively in spheroid 15 both sides elastic seat 17 is housed, is wound around packing ring 16, is motive sealing between elastic seat 17 and spheroid 15.Between elastic seat 17 and main valve body 14, auxiliary valve body 13, be added with and be wound around packing ring 16, by compressing clamp 5 compressions, realize static seal.After valve has assembled, between main valve body 14, valve gap 12, valve rod 7, spheroid 15, elastic valve body 17, form a closed valve pocket.On valve gap 12, main valve body 14, auxiliary valve body 13, be respectively equipped with the flange 4 that purges steam, communicate with stuffing box, valve pocket, in valve pocket inside, pass into and purge steam, it is more than 0.05MPa that vapor pressure is greater than pressure medium.
Claims (4)
1. a two way sealed anti-coking ball valve, it is characterized in that: described a kind of two way sealed anti-coking ball valve, mainly consists of electric performance device (1), driving mechanism (2), support (3), the flange that purges steam (4), compression clamp (5), linking bond (6), valve rod (7), stud (9), filler (10), Gland (11), valve gap (12), auxiliary valve body (13), main valve body (14), spheroid (15), winding packing ring (16), elastic seat (17); Wherein: electric performance device (1) connects with driving mechanism (2), driving mechanism (2) is contained on support (3) and is connected with valve rod (7) by linking bond (6); Support (3) adopts fastening piece (18) to be fixed on valve gap (12); In stuffing box between valve gap (12) and valve rod (7), filler (10) is housed, for Gland (11), nut (8), stud (9) are fastened on valve gap (12) above, and Gland (11) and valve gap (12), valve rod (7) form the upper sealing system of ball valve; Valve rod (7) is integrated with spheroid (15), and spheroid (15) both sides are equipped with respectively elastic seat (17), are wound around packing ring (16), are compressed clamp (5); Elastic seat (17) is overall structure, is motive sealing between elastic seat (17) and spheroid (15); Elastic seat (17) is equipped with and is wound around packing ring (16) with main valve body (14), auxiliary valve body (13), by compressing clamp (5) compression, realizes static seal; On valve gap (12), main valve body (14), auxiliary valve body (13), the flange that purges steam (4) is housed respectively.
2. a kind of two way sealed anti-coking ball valve according to claim 1, is characterized in that: between main valve body (14), valve gap (12), valve rod (7), spheroid (15), elastic seat (17), connect and form a closed valve pocket.
3. a kind of two way sealed anti-coking ball valve according to claim 1, is characterized in that: the flange that purges steam (4) communicates with closed valve pocket.
4. a kind of two way sealed anti-coking ball valve according to claim 2, is characterized in that: more than in closed valve pocket, vapor pressure is greater than pressure medium 0.05MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420121256.3U CN203784350U (en) | 2014-03-18 | 2014-03-18 | Bidirectional sealing coking resisting ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420121256.3U CN203784350U (en) | 2014-03-18 | 2014-03-18 | Bidirectional sealing coking resisting ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203784350U true CN203784350U (en) | 2014-08-20 |
Family
ID=51320538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420121256.3U Expired - Fee Related CN203784350U (en) | 2014-03-18 | 2014-03-18 | Bidirectional sealing coking resisting ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203784350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916414A (en) * | 2018-09-11 | 2018-11-30 | 山东沃克控制阀有限公司 | A kind of ball valve that can clean spherome surface |
-
2014
- 2014-03-18 CN CN201420121256.3U patent/CN203784350U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916414A (en) * | 2018-09-11 | 2018-11-30 | 山东沃克控制阀有限公司 | A kind of ball valve that can clean spherome surface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 471000 No.11, dongmagou Industrial Park, high tech Development Zone, Luoyang City, Henan Province Patentee after: Luoyang Sansheng Intelligent Equipment Co.,Ltd. Address before: 471003 No. 11 Gou Gou Industrial Park, hi tech Development Zone, Henan, Luoyang Patentee before: LUOYANG THREE-TURNS SPECIAL VALVES Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |