CN105465361A - High-pressure quick-opening blind plate - Google Patents
High-pressure quick-opening blind plate Download PDFInfo
- Publication number
- CN105465361A CN105465361A CN201610023351.3A CN201610023351A CN105465361A CN 105465361 A CN105465361 A CN 105465361A CN 201610023351 A CN201610023351 A CN 201610023351A CN 105465361 A CN105465361 A CN 105465361A
- Authority
- CN
- China
- Prior art keywords
- sealing
- pressure
- opening
- blind plate
- end cover
- 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.)
- Pending
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Classifications
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/062—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces characterised by the geometry of the seat
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention relates to valves, in particular to a high-pressure or ultrahigh-pressure quick-opening blind plate used in a pressure container or a pipeline. The quick-opening blind plate comprises a cylinder flange (1), an end cover (2), a hoop (3) and an end cover opening device, the end cover (2) is fixed to an end opening of the cylinder flange (1) through the hoop (3), the opening edge of the cylinder flange (1) and the inner end face of the end cover (2) are provided with matched sealing cones (4) respectively, the sealing cone (4) of the cylinder flange (1) or the end cover (2) is provided with a sealing circular groove (5) and a sealing ring (6) placed in the groove, and the bottom face of the sealing circular groove (5) is an inclined face with the inner side depth larger than the outer side depth. The quick-opening blind plate has the advantages of being reasonable in structural design, reliable in seal and capable of realizing 99MPa ultrahigh-pressure sealing. When axial displacement is generated, the gap change of cone sealing is smaller, and it can be effectively prevented that the sealing ring is extruded by high pressure.
Description
Technical field
The present invention relates to valve, be specifically related to a kind of high pressure, the ultrahigh pressure fast-opening blind that use for pressurized container or pipeline.
Background technique
In the industries such as rock gas, chemical industry, oil, metallurgy, employ a large amount of pressurized containers or pipeline, as equipment such as filter, receiving ball tube, separator, heat exchangers, need irregular opening and closing.Fast-opening blind is exactly on the circular open of this kind of pressure piping or pressure-vessel and can realizes a kind of special machine device of quick opening and closing.Along with " enforcement of West-east Gas engineering; the development of combustion gas; the demand of fast-opening blind gets more and more, thus more and more higher to the requirement of the structure of this product, sealability, the aspect such as safety reliability and operating function, also increasing to the research of fast-opening blind.Fast-opening blind is in the end of bearing pipe or container, needs irregular switching motion, thus higher to the requirement of its sealing.The design pressure of current country " pressurized container " standard (GB150.1 ~ 150.4-2011) is not more than 35MPa, and for the fast-opening blind of below 35MPa, sealing configuration haves ripe experience.But design pressure is greater than to the fast-opening blind of more than 35MPa, also there is no ripe sealing configuration.And the fast-opening blind of existing structure is used under pressure is greater than the operating mode of 35MPa, with the rising of pressure, sealing configuration can engender that the phenomenon of leakage occurs, and seal ring also exists the problem be extruded from seal clearance.
Summary of the invention
Technical problem to be solved by this invention is: the High Pressure Fast Open blind plate providing a kind of good sealing effect.
Technical solution of the present invention is: High Pressure Fast Open blind plate, comprise shell flange, skull and clip, skull is fixed on shell flange port by clip, the peristoma of described shell flange and the interior edge face of skull are respectively equipped with the sealing cone matched, the sealing cone of shell flange or skull is provided with closure gasket groove and is placed in the seal ring in groove, and the bottom surface of closure gasket groove is the inclined-plane that inside depth is greater than outside.
Technique effect of the present invention is: it has reasonable in design, seals reliable advantage, can realize 99MPa superhigh pressure sealing.When producing axial displacement, the gap change of conical surface seal is less, can effectively prevent seal ring from being extruded by high pressure.Use soft seal and firmly seal the double sealing structure combined, be applicable to high and low pressure system, be a kind of fast-opening blind of novel sealing structure simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structure for amplifying schematic diagram at seal ring place of the present invention.
Embodiment
As illustrated in fig. 1 and 2, High Pressure Fast Open blind plate, comprise shell flange 1, skull 2, clip 3 and skull opening device, skull 2 is fixed on shell flange 1 port by clip 3, the peristoma of described shell flange 1 and the interior edge face of skull 2 are respectively equipped with the sealing cone 4 matched, the sealing cone 4 of shell flange 1 or skull 2 is provided with closure gasket groove 5 and the seal ring 6 be placed in groove, the bottom surface of closure gasket groove 5 is the inclined-plane that inside depth is greater than outside, when being subject to internal pressure, seal ring 6 is got into narrower gap, makes sealing more reliable.
Soft seal (seal ring) is combined by side metallic material and opposite side nonmetallic material, and sealability is better, can accomplish zero leakage.But soft seal non-refractory, high pressure, easy to wear, life-span and poor to the adaptability of temperature, mechanicalness, for the operating mode of normal temperature environment and normal pressure, low pressure.Hard sealing is that sealing pair both sides all use metallic material or other hard material, and sealability compares poor, but high temperature resistant, resistance to wear, good mechanical property, long service life.Soft, hard sealing double combinations can supplement mutually, is applicable to high and low pressure system simultaneously, and can meet the sealability under various working condition.Sealing structure adopts soft seal and firmly seals combination, and sealing is stable.Cone match seal ring seals, and when skull pressurized outwards produces displacement, inclined-plane is compared with horizontal plane, and the gap change of sealing surface is less, can effectively prevent seal ring from being extruded by high pressure.Sealing surface angle is 60 °, and hard sealing surface adopts abrasive machining.The sealing surface of Blind plate head is processed twice special type sealing groove, the structure of seal groove adopts low wide and up narrow, and groove bottom has 5 ~ 6 ° of tilt angle, under initial pressure effect, plays the effect preventing dielectric leakage; Under High Pressure, along with the increase of pressure, seal ring can move on tilt angle, increases the effect of sealing.By the pretightening force of clip, make shell flange and Blind plate head have certain axial force, make it sealability and stablize; In the process of assembling, this sealing configuration has the function of automatic centering, location centering.
By hydraulic pressure, pneumatic test, the sealing effect of test novel sealing structure is good and stable, does not occur Seepage; For ultra-high voltage environment, the combination of hard sealing (conical surface seal) and soft seal (rubber sealing) has good sealing effect.
Claims (1)
1. High Pressure Fast Open blind plate, comprise shell flange (1), skull (2), clip (3) and skull opening device, skull (2) is fixed on shell flange (1) port by clip (3), it is characterized in that, the peristoma of described shell flange (1) and the interior edge face of skull (2) are respectively equipped with the sealing cone (4) matched, the sealing cone (4) of shell flange (1) or skull (2) is provided with closure gasket groove (5) and is placed in the seal ring (6) in groove, and the bottom surface of closure gasket groove (5) is the inclined-plane that inside depth is greater than outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610023351.3A CN105465361A (en) | 2016-01-14 | 2016-01-14 | High-pressure quick-opening blind plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610023351.3A CN105465361A (en) | 2016-01-14 | 2016-01-14 | High-pressure quick-opening blind plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105465361A true CN105465361A (en) | 2016-04-06 |
Family
ID=55603375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610023351.3A Pending CN105465361A (en) | 2016-01-14 | 2016-01-14 | High-pressure quick-opening blind plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105465361A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122924A (en) * | 2016-06-26 | 2016-11-16 | 桐乡守敬应用技术研究院有限公司 | A kind of boiler closure mechanism |
| CN113551056A (en) * | 2019-07-10 | 2021-10-26 | 自贡自高阀门有限公司 | Horizontal shaft top-mounted pipe cleaning valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1122824A (en) * | 1997-06-30 | 1999-01-26 | Nippon Steel Corp | Vessel sealing device |
| CN1455134A (en) * | 2003-04-15 | 2003-11-12 | 西安理工大学 | Adadptive self-tightening sealing device |
| CN2802204Y (en) * | 2005-05-24 | 2006-08-02 | 苏和 | Sealing groove |
| CN203656173U (en) * | 2013-11-06 | 2014-06-18 | 乐山川天燃气输配设备有限公司 | Lock ring type quick opening and closing blind plate device |
| CN205689754U (en) * | 2016-01-14 | 2016-11-16 | 牡丹江市金环石化设备有限公司 | High Pressure Fast Open blind plate |
-
2016
- 2016-01-14 CN CN201610023351.3A patent/CN105465361A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1122824A (en) * | 1997-06-30 | 1999-01-26 | Nippon Steel Corp | Vessel sealing device |
| CN1455134A (en) * | 2003-04-15 | 2003-11-12 | 西安理工大学 | Adadptive self-tightening sealing device |
| CN2802204Y (en) * | 2005-05-24 | 2006-08-02 | 苏和 | Sealing groove |
| CN203656173U (en) * | 2013-11-06 | 2014-06-18 | 乐山川天燃气输配设备有限公司 | Lock ring type quick opening and closing blind plate device |
| CN205689754U (en) * | 2016-01-14 | 2016-11-16 | 牡丹江市金环石化设备有限公司 | High Pressure Fast Open blind plate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122924A (en) * | 2016-06-26 | 2016-11-16 | 桐乡守敬应用技术研究院有限公司 | A kind of boiler closure mechanism |
| CN113551056A (en) * | 2019-07-10 | 2021-10-26 | 自贡自高阀门有限公司 | Horizontal shaft top-mounted pipe cleaning valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160406 |
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| WD01 | Invention patent application deemed withdrawn after publication |