CN104197093A - Blowout-preventing rain-proof cap - Google Patents
Blowout-preventing rain-proof cap Download PDFInfo
- Publication number
- CN104197093A CN104197093A CN201410402001.9A CN201410402001A CN104197093A CN 104197093 A CN104197093 A CN 104197093A CN 201410402001 A CN201410402001 A CN 201410402001A CN 104197093 A CN104197093 A CN 104197093A
- Authority
- CN
- China
- Prior art keywords
- movable cylinder
- cap
- rain
- stationary magazine
- magazine creel
- 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.)
- Granted
Links
- 230000002265 prevention Effects 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 238000005260 corrosion Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 241000406668 Loxodonta cyclotis Species 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
The invention provides a blowout-preventing rain cap which is arranged on a safety valve of an outdoor pressure container and comprises an umbrella cap, a movable barrel connected with the umbrella cap through a support frame and a fixed barrel sleeved on the movable barrel, wherein a blowout-preventing pin is arranged on the upper part of the barrel wall of the fixed barrel, an opening matched with the blowout-preventing pin is arranged on the movable barrel, and the blowout-preventing pin can pass through the opening when the movable barrel is installed in the fixed barrel. The blowout-preventing rain cap provided by the invention can prevent rain and snow from rusting or freezing, avoids the safety valve from being influenced by external weather, and can be taken away by a medium rushed out by high pressure when the safety valve is automatically decompressed.
Description
Technical field
The present invention relates to pressure outside container guard technology field, particularly a kind of anti-ejection cap that keeps off the rain.
Background technique
Pressure outside container is each elephant of China, industrial and mining enterprise's common device, and for guaranteeing its safe operation, safety valve is all equipped with in pressurized container outside, and object is can releasing pressure automatically when there is production problem or pressure superelevation.But it is of common occurrence to be positioned at the accident that outdoor pressure vessel relief valve can not open in time because there is high pressure, analyzes and occur that pressure vessel relief valve is not opened and cause the main cause of the pressure accident of spraining to comprise:
1. each elephant of China, industrial and mining enterprise's pressurized container used are all equipped with safety valve to guarantee its safety in production at present, overwhelming majority pressurized container is installed in outdoor exposure place, and being all first substantially horizontal, the fairlead direction of safety valve then makes progress, this is when severse weather, sleet very easily enters, and makes between safety valve spool and valve seat corrosion or congeals, and as produced pressure, goes beyond the limit of after pressure, safety valve can not be opened in time, causes safety in production hidden danger.
2. when safety valve is opened due to pressure superelevation, safety valve outside keep off the rain facility when high-pressure medium impacts, gone out together, after pressure is normal, as found not in time, safety valve can continue to expose at outdoor location, causes corrosion or congeals, and causes potential safety hazard.
Summary of the invention
Technical problem to be solved by this invention is to provide and a kind ofly can prevents the valve corrosion of pressure outside vessel safety or the anti-ejection of the congealing cap that keeps off the rain.
For solving the problems of the technologies described above, the invention provides a kind of anti-ejection cap that keeps off the rain, be arranged on the safety valve of pressure outside container, comprise umbrella crown, the movable cylinder being connected with umbrella crown by supporting frame and be enclosed within the stationary magazine creel on movable cylinder, the barrel upper end of described stationary magazine creel is provided with blowout prevention pin, described blowout prevention pin card is used for blocking movable cylinder at the top edge of described movable cylinder, described movable cylinder sidewall is provided with an opening, and described opening can make described blowout prevention pin pass through when described movable wound packages enters in described stationary magazine creel.
Further, the A/F of described movable cylinder sidewall is than the large 5-8mm of diameter of the blowout prevention pin on described stationary magazine creel.
Further, the external diameter of described movable cylinder is than the large 2-3mm of the internal diameter of described stationary magazine creel.
Further, the circular body of steel that described movable cylinder is toughness.
Further, the short 20-25mm of length of stationary magazine creel described in the Length Ratio of described movable cylinder.
Further, described umbrella crown is the vertex of a cone that after the steel plate circle of contact, welding is made.
Further, support frame as described above is two blocks of rectangular steel plates, and the lower end of described steel plate is welded on respectively described movable cylinder nozzle both sides, and the upper end of described steel plate is fixed on below described umbrella crown.
Further, described blowout prevention pin is the rivet being riveted on described stationary magazine creel.
A kind of anti-ejection provided by the invention cap that keeps off the rain, be arranged on the safety valve of pressure outside container, its umbrella crown can prevent from sleeting and foreign material enter the blow-down pipe internal corrosion of safety valve or congeal the spool of safety valve at severse weather, avoided because of pressure outside vessel safety valve can not open in time cause production accident may.In addition, when safety valve is opened because of overpressure, the medium of ejection, due to the barrier effect of umbrella crown, can change direction in time, can reduce the scope of pollution, and environmental protection is brought to certain effect.And a kind of anti-ejection provided by the invention cap that keeps off the rain, movable cylinder, when safety valve pressure release medium impacts, can be prevented from taking away together with medium with the movable umbrella crown being fixedly connected with by blowout prevention pin card in stationary magazine creel.
Accompanying drawing explanation
The keep off the rain structural representation of cap of the anti-ejection that Fig. 1 provides for the embodiment of the present invention.
The keep off the rain movable barrel structure schematic diagram of cap of the anti-ejection that Fig. 2 provides for the embodiment of the present invention.
The keep off the rain stationary magazine creel structural representation of cap of the anti-ejection that Fig. 3 provides for the embodiment of the present invention.
The keep off the rain movable wound packages of cap of the anti-ejection that Fig. 4 provides for the embodiment of the present invention enters the structural representation of stationary magazine creel.
Embodiment
Referring to Fig. 1, a kind of anti-ejection that the embodiment of the present invention the provides cap that keeps off the rain, comprises umbrella crown 1, the movable cylinder 3 being connected with umbrella crown 1 by supporting frame 2 and is enclosed within the stationary magazine creel 5 on movable cylinder 3.Referring to Fig. 2, the sidewall of movable cylinder 3 is provided with an opening 4, and supporting frame 2 is two blocks of rectangular steel plates, and the lower end of the steel plate of supporting frame 2 is welded on respectively the nozzle both sides of movable cylinder 3, the upper end of the steel plate of supporting frame 2 is fixed on below umbrella crown 1, the vertex of a cone that umbrella crown 1 is made for welding after the steel plate circle of contact.Referring to Fig. 3, the barrel upper end of stationary magazine creel 5 is provided with blowout prevention pin 6, and as one embodiment of the present invention, blowout prevention pin 6 is for being riveted on the rivet on stationary magazine creel 5.The width of the opening 4 of movable cylinder 3 sidewalls is than the large 5-8mm of diameter of the blowout prevention pin 6 on stationary magazine creel 5, when activity cylinder 3 being packed into stationary magazine creel 5 when interior, opening 4 can make blowout prevention pin 6 pass through smoothly, and when movable cylinder 3 pack into stationary magazine creel 5 interior after, rotary moveable cylinder 3 makes top edge that blowout prevention pin 6 is stuck in movable cylinder 3 prevent that for blocking movable cylinder 3 movable cylinder 3 from deviating from.
Wherein, movable cylinder 3 is the circular body of the good steel of toughness, the external diameter of movable cylinder 3 is than the large 2-3mm of the internal diameter of stationary magazine creel 5, during installation activity cylinder 3, by Compressive activities cylinder 3, the width of the opening 4 of movable cylinder 3 sidewalls is diminished, the external diameter of movable cylinder 3 can be varied down to and be less than stationary magazine creel 5 internal diameters, thereby can make movable cylinder 3 pack in stationary magazine creel 5.
Wherein, the short 20-25mm of length of the Length Ratio stationary magazine creel 5 of movable cylinder 3.
Anti-ejection provided by the invention is kept off the rain cap when using installation, approaches apical position punch with drill bit at stationary magazine creel 5, then with rivet, hole is riveted, and becomes blowout prevention pin 6.With the corrosion resistant plate of 2mm thickness, curve an external diameter than the slightly large circular cylinder of stationary magazine creel 5 internal diameters, and leave opening 4 at circular cylinder sidewall, then that umbrella crown 1, supporting frame 2 and movable cylinder 3 is integrally welded.Referring to Fig. 4, during installation activity cylinder 3, first by the opening 4 on movable cylinder 3 over against blowout prevention pin 6 positions on stationary magazine creel 5, Compressive activities cylinder 3 firmly, stressed the diminishing of width meeting of movable cylinder 3 sidewall openings 4, the external diameter causing movable 3 is varied down to and is less than stationary magazine creel 5 internal diameters, thereby movable cylinder 3 can be inserted in stationary magazine creels 5.After the upper end-face edge of the blowout prevention pin 6 arrival activity cylinders 3 of stationary magazine creel 5 upper ends, stationary magazine creel 3 is rotated to an angle and makes blowout prevention pin 6 avoid top edge that opening 4 is stuck in movable cylinder 3 for blocking movable cylinder 3.Because the external diameter of movable cylinder 3 is slightly larger than the internal diameter of stationary magazine creel 5, and the elastic reaction of the stainless steel of movable cylinder 3, movable cylinder be fit into stationary magazine creel 5 interior after, movable cylinder 3 is by self expansion tension and stationary magazine creel 5 inwall close contacts, from but movable cylinder 3 and stationary magazine creel 5 be tightly fixed together.
Anti-ejection provided by the invention is kept off the rain after cap is arranged on the safety valve of pressure outside container, when running into sleety weather, umbrella crown can stop that sleet prevents that sleet and other foreign material from entering the blow-down pipe internal corrosion of safety valve or congealing the spool of safety valve, avoided the safety valve of pressure outside container when needs releasing pressure automatically, because of corrosion or congeal can not open in time cause production accident may.And, because movable cylinder is lived because of the blowout prevention pin card being fixed on cylinder, when safety valve releasing pressure automatically, can prevent from taking away together with the movable medium that the umbrella crown connecting is gone out by high pressure.Meanwhile, due to the barrier effect of umbrella crown, the medium of ejection can change direction in time, can reduce the scope of pollution, and environmental protection is brought to certain effect.
It should be noted last that, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although the present invention is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technological scheme of the present invention, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (8)
1. the anti-ejection cap that keeps off the rain, be arranged on the safety valve of pressure outside container, it is characterized in that: comprise umbrella crown, the movable cylinder being connected with umbrella crown by supporting frame and be enclosed within the stationary magazine creel on movable cylinder, the barrel upper end of described stationary magazine creel is provided with blowout prevention pin, described blowout prevention pin card is used for blocking movable cylinder at the top edge of described movable cylinder, described movable cylinder sidewall is provided with an opening, and described opening can make described blowout prevention pin pass through when described movable wound packages enters in described stationary magazine creel.
2. the anti-ejection according to claim 1 cap that keeps off the rain, is characterized in that: the A/F of described movable cylinder sidewall is than the large 5-8mm of diameter of the blowout prevention pin on described stationary magazine creel.
3. the anti-ejection according to claim 2 cap that keeps off the rain, is characterized in that: the external diameter of described movable cylinder is than the large 2-3mm of the internal diameter of described stationary magazine creel.
4. the anti-ejection according to claim 3 cap that keeps off the rain, is characterized in that: the circular body of steel that described movable cylinder is toughness.
5. the anti-ejection according to claim 4 cap that keeps off the rain, is characterized in that: the short 20-25mm of length of stationary magazine creel described in the Length Ratio of described movable cylinder.
6. the anti-ejection according to claim 1 cap that keeps off the rain, is characterized in that: described umbrella crown is the vertex of a cone that after the steel plate circle of contact, welding is made.
7. the anti-ejection according to claim 6 cap that keeps off the rain, is characterized in that: support frame as described above is two blocks of rectangular steel plates, and the lower end of described steel plate is welded on respectively described movable cylinder nozzle both sides, and the upper end of described steel plate is fixed on below described umbrella crown.
8. the anti-ejection according to claim 2 cap that keeps off the rain, is characterized in that: described blowout prevention pin is the rivet being riveted on described stationary magazine creel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410402001.9A CN104197093B (en) | 2014-08-15 | Blowout-preventing rain-proof cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410402001.9A CN104197093B (en) | 2014-08-15 | Blowout-preventing rain-proof cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104197093A true CN104197093A (en) | 2014-12-10 |
| CN104197093B CN104197093B (en) | 2017-01-04 |
Family
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524852A (en) * | 2016-06-17 | 2017-12-29 | 株式会社山田制作所 | The manufacture method of temp sensing type valve system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005036580B4 (en) * | 2005-08-01 | 2007-05-24 | Rös, Helmut | Odor trap with removable cartridge |
| CN201561176U (en) * | 2009-09-04 | 2010-08-25 | 中芯国际集成电路制造(上海)有限公司 | Outdoor valve protection device |
| CN202392277U (en) * | 2011-09-30 | 2012-08-22 | 文信天 | Waterproof cap for air entering and exhaust port on cylinder of automatic control valve |
| CN202852318U (en) * | 2012-09-10 | 2013-04-03 | 邢台钢铁有限责任公司 | Automatic openable/closable escape pipe rain cap |
| CN203148442U (en) * | 2013-04-09 | 2013-08-21 | 中铁十局集团济南铁路工程有限公司 | Total station weatherproof hood |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005036580B4 (en) * | 2005-08-01 | 2007-05-24 | Rös, Helmut | Odor trap with removable cartridge |
| CN201561176U (en) * | 2009-09-04 | 2010-08-25 | 中芯国际集成电路制造(上海)有限公司 | Outdoor valve protection device |
| CN202392277U (en) * | 2011-09-30 | 2012-08-22 | 文信天 | Waterproof cap for air entering and exhaust port on cylinder of automatic control valve |
| CN202852318U (en) * | 2012-09-10 | 2013-04-03 | 邢台钢铁有限责任公司 | Automatic openable/closable escape pipe rain cap |
| CN203148442U (en) * | 2013-04-09 | 2013-08-21 | 中铁十局集团济南铁路工程有限公司 | Total station weatherproof hood |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524852A (en) * | 2016-06-17 | 2017-12-29 | 株式会社山田制作所 | The manufacture method of temp sensing type valve system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |