CN102128264A - Pressure container and port sealing component thereof - Google Patents
Pressure container and port sealing component thereof Download PDFInfo
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- CN102128264A CN102128264A CN2010100230043A CN201010023004A CN102128264A CN 102128264 A CN102128264 A CN 102128264A CN 2010100230043 A CN2010100230043 A CN 2010100230043A CN 201010023004 A CN201010023004 A CN 201010023004A CN 102128264 A CN102128264 A CN 102128264A
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- groove
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Abstract
The invention relates to a pressure container and a port sealing component thereof. In the pressure container, the port sealing component is arranged on a pressure-bearing part and is contacted with the inside of a container port to seal the container port; a blocking part is used for limiting the pressed pressure-bearing part; the port sealing component comprises a width-variable groove and a thrust part; the width-variable groove is provided by separable elements; the width size of the width-variable groove is variable by separating the elements; the thrust part is associated with the width-variable groove to push the change of the width size of the width-variable groove; an elastic sealing element is arranged in the width-variable groove, so that the change of the width size of the width-variable groove is associated with the change of the size of a cross section of the sealing element; therefore, the sealing of the pressure container does not depend on the manufacturing accuracy of parts purely any more, and sealing property is improved.
Description
Technical field
The present invention relates to a kind of pressurized container and black box thereof.
Background technique
Pressurized container is generally by cylindrical shell, end socket (or pressure bearing head), flange, seal element, perforate and six most of formation vessels such as adapter, bearing.In addition, also be furnished with safety installations, table is taken into account the internals of finishing the various processes effect.Under identical condition, the accident rate of pressurized container is more much higher than other machinery.
Pressurized container is the reverse osmosis unit fiber reinforced plastic pressure container especially, is widely used in electric power, electronics, metallurgy, chemical industry, medicine, instrument, and industrial sewage is handled, fields such as desalination of sea water.Under normal use condition, its pressure more suffered than other water treatment vessels is big, thus the sealing of the inlet/outlet position joint of its water of guarantee, ne-leakage, in service, particularly important in whole system.At present, the main structure of pressurized container port and installation form, as shown in Figure 1, wherein pressure bearing head 1 and bearing plate 2 constitute pressure-containing member, backstopping assembly 3 is a back-up ring, and pressure bearing head 1 is by seal ring 4 and container 5 (putamina or cylindrical shell or housing) sealing, the pressure P that port is suffered, be passed to bearing plate 2 by pressure bearing head 1, be passed at last on the flexible three circle back-up rings 3.Limit when wherein the magnitude of interference of seal ring 4 external diameters is assembled, can not reach enough amounts, (during high pressure) produces operational failure; Simultaneously, back-up ring 3 (during high pressure) rigidity deficiency, the also accident of container initiation pressure container.
Summary of the invention
The object of the present invention is to provide a kind of pressurized container, it has the enhanced seal performance.
Another object of the present invention is to provide a kind of port sealing assembly of pressurized container, it is the seal container port better.
For realizing described purpose, pressurized container port black box of the present invention, comprise and being used for and the inner elastic sealing elements that contacts of container port, be characterized in, the groove and the thrust part that also comprise variable groove width, the groove width vary in size of the groove of this variable groove width, this thrust part is associated with the groove of this variable groove width, carry out the variation of groove width size with the groove that promotes this variable groove width, this elastic sealing elements is placed in the groove of this variable groove width, thereby the variation of the groove width size of the groove of this variable groove width is associated with the variation of the cross-sectional dimension of seal element.
The operation thrust part, impel the trench gets narrower of variable groove width, the elastic sealing elements that is placed on wherein will be extruded, therefore elastic sealing elements narrows down thereupon, more outside the projecting groove, more closely contact with internal tank, thereby improved sealability, regulate the amount of deformation of seal element owing to there is the groove of variable groove width, therefore, the sealability of container no longer merely is fixed against the accuracy of manufacturing of component, and owing to there is bigger regulated quantity, sealability further improves, and satisfies the pressurized container technical need that do not lose efficacy again of function under high pressure.
Described pressurized container pressure bearing head black box, its further characteristics are, described elastic sealing elements is a seal ring, the separable element of the groove of this variable groove width comprises the wide groove of annular and is positioned over thrust circle in the wide groove, this thrust circle can move in wide groove, seal ring is placed in this wide groove, between the cell wall of thrust circle and wide groove, thrust part is by the distance between the cell wall that promotes the thrust circle and change thrust circle and wide groove, with the radial dimension of the cross section that changes seal ring.
The thrust circle is the movable variable groove of groove width that forms in wide groove, regulates the amount of deformation of seal ring, this simple in structure and stable performance by the thrust circle.
Described pressurized container pressure bearing head black box, its further characteristics are that the channel shaped of this variable groove width is formed on the pressure-containing member of pressurized container port.The groove of variable groove width can form or support the location by the pressure bearing head and the bearing plate of pressurized container, can make that like this adjusting of amount of deformation of seal element is more convenient.
Described pressurized container pressure bearing head black box, its further characteristics be, this thrust part comprises bolt, this bolt pass on the pressure-containing member tapped hole and with this tapped hole engagement after, replace this thrust circle.The engagement of bolt and tapped hole forms screw connection structure, and screw connection structure itself has self-locking property preferably, can simplify the regulation structure of the amount of deformation of seal element as thrust part with bolt.
For realizing described purpose, pressurized container of the present invention, comprise the port sealing assembly, pressure-containing member and backstopping assembly, the port sealing assembly is arranged on the pressure-containing member, be used for contacting with container port is inner, with the seal container port, backstopping assembly is used for carrying out spacing to the pressure-containing member of pressurized, be characterized in, this port sealing assembly also comprises the groove and the thrust part of variable groove width, the groove of this variable groove width is provided by separable element, by separating these elements, the groove width vary in size of the groove of this variable groove width, this thrust part is associated with the groove of this variable groove width, carry out the variation of groove width size with the groove that promotes this variable groove width, this elastic sealing elements is placed in the groove of this variable groove width, thereby the variation of the groove width size of the groove of this variable groove width is associated with the variation of the radial dimension of seal element.
The operation thrust part, thereby change the groove dimensions of variable groove width, the distortion of extruding elastic sealing elements, it is more to make that elastic sealing elements protrudes from groove, contact with container inner wall more fully, and then strengthened sealability, strengthen sealability by the elastic deformation amount who regulates seal element.
Described pressurized container, its further characteristics are, described elastic sealing elements is a seal ring, the separable element of the groove of this variable groove width comprises the wide groove of annular and is positioned over thrust circle in the wide groove, this thrust circle can move in wide groove, and seal ring is placed in this wide groove, between the cell wall of thrust circle and wide groove, thrust part is by the distance between the cell wall that promotes the thrust circle and change thrust circle and wide groove, with the radial dimension of the cross section that changes seal ring.
In wide groove, place the thrust circle, form the groove of variable groove width, this simple in structure and stable performance by mobile thrust circle.
Described pressurized container, its further characteristics be, this thrust part comprises bolt, this bolt pass on the pressure-containing member tapped hole and with this tapped hole engagement after, replace this thrust circle.Worm structure has good self-locking property, as thrust part, can simplify the elastic deformation amount's of seal element regulation structure with bolt.
Described pressurized container, its further characteristics be, backstopping assembly comprises a plurality of block arcs, and these block arcs are connected to form annular chain type member from beginning to end, and this annular chain type member and container inner wall are chimeric.
Form annular chain type member by a plurality of block arcs, when the needs dress, when tearing backstopping assembly open, to move individually or the rotation block arc, the installation to backstopping assembly in the confined space will no longer cause the interference of each component, block arc and container inner wall are chimeric, have strengthened coupling stiffness.
Described pressurized container, its further characteristics be, backstopping assembly comprises a plurality of block arcs, and these block arcs are connected to form annular chain type member from beginning to end, and this annular construction member and container inner wall are chimeric, and these block arcs connect by described bolt.
Bolt simplifies the structure not only as thrust part but also as connection, secure component.
Described pressurized container, its further characteristics are that this pressurized container is the reverse osmosis unit fiber reinforced plastic pressure container.
Before address mentioned " groove width " speech of following content, can not narrow sense be interpreted as the width of rectangular cross-section.It can be " V " type, the geometric element of the section area that other different shape surrounded such as " Y " type.
The fiber reinforced plastic pressure container that reverse osmosis unit is used when work the pressure more suffered than general water treatment vessels big, so ensure the sealing of the inlet/outlet position joint of its water, ne-leakage, in service in whole system, particularly important, adopt the structure of salable circle magnitude of interference of the present invention, satisfy aforementioned requirement fully, and with respect to other sealing configurations, stable performance.
Description of drawings
Fig. 1 is the schematic representation of existing port sealing assembly.
Fig. 2 is the sectional view of the sealing part structure of port sealing assembly of the present invention.
Fig. 3 has shown that the seal ring radial dimension changes the intention of showing, wherein (a) shown the seal ring under the nature, (b) shown the seal ring of confined state.
Fig. 4 has shown the structure of port sealing assembly of the present invention.
Fig. 5 is the stereogram of block arc of the present invention.
Fig. 6 is the sectional drawing of the port section of pressurized container of the present invention.
Fig. 7 is the circumferential distribution map of annular chain type member of the present invention.
Embodiment
In the following examples, be with fiber reinforced plastic pressure container, especially be applicable to the fiber reinforced plastic pressure container of reverse osmosis unit, particularly can to reach the pressurized container of 1200PSI be that example describes to working pressure, but the invention is not restricted to such pressurized container, also go for the pressurized container of other types.
As Fig. 4 and shown in Figure 6, the port sealing assembly comprises the groove F and the thrust part 20 of elastic sealing elements 50 and variable groove width.Among the embodiment shown in the figure, seal element 50 is a seal ring, and the sealing circle can be O type, X type, ellipse or rectangle etc., but is not limited thereto.Simultaneously with reference to Fig. 2, wide groove 101 that the groove 100 of variable groove width is formed by pressure-containing member 10,80 and the thrust circle 40 that is arranged in wide groove 101 provide, particularly, the groove that forms between the cell wall of groove 100 for thrust circle 40 and wide groove 101 of variable groove width.Thrust circle 40 can move in wide groove 101.Among thrust part 20 embodiment shown in the figure is a bolt, thrust part 20 pass pressure-containing member a tapped hole and with the engagement of this tapped hole after replace thrust circle 40, like this by rotating thrust part 20, just can regulate the position of thrust circle 40 in wide groove 101, thus the groove width of regulating the groove 100 of variable groove width.Shown in Fig. 3 (a), in the raw the time, when promptly pressurized container also was not in high pressure conditions work, the cross section of seal ring 50 be a circle at seal ring 50, internal diameter is φ, shown in Fig. 3 (b) and since thrust circle 40 by thrust parts 20 behind left translation one segment distance, the groove width of the groove 100 of variable groove width narrows down, seal ring 40 is extruded, internal diameter has increased δ, so seal ring 40 is tightr with contacting of internal tank, thereby has strengthened the sealability of pressurized container.The size of the groove 100 of thrust circle 40, variable groove width, pressure-containing member etc. should be considered suitable manufacturing tolerances in design, to improve reliability of structure, but, owing to make the seal ring radial expansion by thrust part, radial diameter increases, produce enough big compression ratio, sealability is more reliable like this, can under high pressure work and can not lose efficacy.
As shown in Figure 6, pressure-containing member comprises pressure bearing head 10 and bearing plate 80, and the inner pressure P that produces of pressurized container acts on the pressure bearing head 10, pressure bearing head 10 with propagation of pressure to bearing plate 80.Thrust part 20 is to replace thrust circle 40 behind the tapped hole that passes on the bearing plate 80.Wide groove is that the adjacent portion by pressure bearing head 10, bearing plate 80 provides.
As shown in Figure 7, backstopping assembly is to be made of a plurality of block arcs 70, as shown in Figure 5, each block arc 70 has initial and end attachment hole 701,702, four block arc 70 end-to-ends shown in Figure 7, form annular chain type member, the head and the tail attachment portion is to pass head and the tail attachment hole 701,702 by thrust part 20 to realize.Backstopping assembly is connected by a plurality of blocks 70 and has a lot of benefits, as shown in Figure 7, one end of one of them block 70 is taken apart, like this can be according to the direction rotary block shown in arrow A, the B, therefore the mounting or dismounting of backstopping assembly have very big flexibility, and have satisfied and rotated and move in limited spatial position and each component does not have the condition of interference each other.As Fig. 5 and shown in Figure 7, the outside of block 70 has arc bump 711, arc bump 711 can protrude from the bottom of block 70, arc bump 711 is embedded in the groove 911 of container inner wall, so annular chain type member is just chimeric with container inner wall, formation is to backstop, the position-limiting action of pressure-containing member, and thrust part 20 has also played the effect of fixed stop or backstopping assembly.
Continuation is with reference to Fig. 6, pressure bearing head 10 comes combination with being connected no longer of bearing plate 80 by check ring, because seal ring is in the process of tensioner, need very big pressure, the reaction force of this pressure transmits by bearing plate, at this moment, preferably adopt high-intensity screw connection structure 60 to connect in conjunction with pressure bearing head 10 and bearing plate 80.
Previous embodiment has only shown the port section of pressurized container, and the design of remaining part is similar with general pressurized container, by cylindrical shell, end socket (or pressure bearing head), flange, seal element, perforate and six most of formation vessels such as adapter, bearing.In addition, also be furnished with safety installations, table is taken into account the internals of finishing the various processes effect.
The foregoing description just is used for illustrating preferred forms of the present invention; rather than mean that the present invention can only have unique mode of execution; main design of the present invention is; in the groove of a variable groove width, place seal element; and change the groove width of groove by thrust part; thereby change the contact that contacts with container inner wall of seal element, obviously, those skilled in the art also can make many changes under the situation that does not break away from the scope of protection of present invention.Therefore, the claimed technological scheme of the present invention should be limited by appended claims.
Claims (10)
1. pressurized container port black box, comprise and being used for and the inner elastic sealing elements that contacts of container port, it is characterized in that, the groove and the thrust part that also comprise variable groove width, the groove width vary in size of the groove of this variable groove width, this thrust part is associated with the groove of this variable groove width, carry out the variation of groove width size with the groove that promotes this variable groove width, this elastic sealing elements is placed in the groove of this variable groove width, thereby the variation of the groove width size of the groove of this variable groove width is associated with the variation of the cross-sectional dimension of seal element.
2. pressurized container pressure bearing head black box as claimed in claim 1, it is characterized in that, described elastic sealing elements is a seal ring, the separable element of the groove of this variable groove width comprises the wide groove of annular and is positioned over thrust circle in the wide groove, this thrust circle can move in wide groove, seal ring is placed in this wide groove, between the cell wall of thrust circle and wide groove, thrust part is by the distance between the cell wall that promotes the thrust circle and change thrust circle and wide groove, with the radial dimension of the cross section that changes seal ring.
3. pressurized container pressure bearing head black box as claimed in claim 2 is characterized in that the channel shaped of this variable groove width is formed on the pressure-containing member of pressurized container port.
4. pressurized container pressure bearing head black box as claimed in claim 3 is characterized in that this thrust part comprises bolt, this bolt pass on the pressure-containing member tapped hole and with the engagement of this tapped hole after, replace this thrust circle.
5. pressurized container, comprise the port sealing assembly, pressure-containing member and backstopping assembly, the port sealing assembly is arranged on the pressure-containing member, be used for contacting with container port is inner, with the seal container port, backstopping assembly is used for carrying out spacing to the pressure-containing member of pressurized, it is characterized in that, this port sealing assembly also comprises the groove and the thrust part of variable groove width, the groove of this variable groove width is provided by separable element, by separating these elements, the groove width vary in size of the groove of this variable groove width, this thrust part is associated with the groove of this variable groove width, carries out the variation of groove width size with the groove that promotes this variable groove width, this elastic sealing elements is placed in the groove of this variable groove width, thereby the variation of the groove width size of the groove of this variable groove width is associated with the variation of the cross-sectional dimension of seal element.
6. pressurized container as claimed in claim 5, it is characterized in that, described elastic sealing elements is a seal ring, the separable element of the groove of this variable groove width comprises the wide groove of annular and is positioned over thrust circle in the wide groove, this thrust circle can move in wide groove, seal ring is placed in this wide groove, between the cell wall of thrust circle and wide groove, thrust part is by the distance between the cell wall that promotes the thrust circle and change thrust circle and wide groove, with the radial dimension of the cross section that changes seal ring.
7. pressurized container as claimed in claim 6 is characterized in that this thrust part comprises bolt, this bolt pass on the pressure-containing member tapped hole and with the engagement of this tapped hole after, replace this thrust circle.
8. pressurized container as claimed in claim 5 is characterized in that backstopping assembly comprises a plurality of block arcs, and these block arcs are connected to form annular chain type member from beginning to end, and this annular chain type member and container inner wall are chimeric.
9. pressurized container as claimed in claim 6 is characterized in that backstopping assembly comprises a plurality of block arcs, and these block arcs are connected to form annular chain type member from beginning to end, and this annular construction member and container inner wall are chimeric, and these block arcs connect by described bolt.
10. pressurized container as claimed in claim 5 is characterized in that, this pressurized container is the reverse osmosis unit fiber reinforced plastic pressure container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100230043A CN102128264A (en) | 2010-01-20 | 2010-01-20 | Pressure container and port sealing component thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100230043A CN102128264A (en) | 2010-01-20 | 2010-01-20 | Pressure container and port sealing component thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102128264A true CN102128264A (en) | 2011-07-20 |
Family
ID=44266473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010100230043A Pending CN102128264A (en) | 2010-01-20 | 2010-01-20 | Pressure container and port sealing component thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102128264A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402385A (en) * | 2016-10-18 | 2017-02-15 | 北京特种机械研究所 | Flangeless pressure-bearing and sealing connecting structure used for circular launch canister |
| CN111450709A (en) * | 2020-03-25 | 2020-07-28 | 科诺思膜技术(厦门)有限公司 | High-pressure roll type membrane module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2196215Y (en) * | 1994-07-15 | 1995-05-03 | 陈平 | Sealing device of pressure vessel |
| CN1425862A (en) * | 2002-12-20 | 2003-06-25 | 北京化工大学 | D-shape axial anti-shear bolt pressure container end cover seal device |
| US20030201607A1 (en) * | 2002-04-26 | 2003-10-30 | Nansheng Sun | Diaphragm for sealing openings in pressure vessels |
| CN2660230Y (en) * | 2003-12-23 | 2004-12-01 | 中国船舶重工集团公司第七一○研究所 | Fast detaching hole sealing device |
| CN201241950Y (en) * | 2008-07-16 | 2009-05-20 | 唯赛勃环保材料制造(上海)有限公司 | Glass fiber reinforced plastic pressure vessel and retaining ring stop block thereof |
-
2010
- 2010-01-20 CN CN2010100230043A patent/CN102128264A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2196215Y (en) * | 1994-07-15 | 1995-05-03 | 陈平 | Sealing device of pressure vessel |
| US20030201607A1 (en) * | 2002-04-26 | 2003-10-30 | Nansheng Sun | Diaphragm for sealing openings in pressure vessels |
| CN1425862A (en) * | 2002-12-20 | 2003-06-25 | 北京化工大学 | D-shape axial anti-shear bolt pressure container end cover seal device |
| CN2660230Y (en) * | 2003-12-23 | 2004-12-01 | 中国船舶重工集团公司第七一○研究所 | Fast detaching hole sealing device |
| CN201241950Y (en) * | 2008-07-16 | 2009-05-20 | 唯赛勃环保材料制造(上海)有限公司 | Glass fiber reinforced plastic pressure vessel and retaining ring stop block thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402385A (en) * | 2016-10-18 | 2017-02-15 | 北京特种机械研究所 | Flangeless pressure-bearing and sealing connecting structure used for circular launch canister |
| CN106402385B (en) * | 2016-10-18 | 2018-05-18 | 北京特种机械研究所 | For annular emission cylinder without flange pressure bearing and seal connection structure |
| CN111450709A (en) * | 2020-03-25 | 2020-07-28 | 科诺思膜技术(厦门)有限公司 | High-pressure roll type membrane module |
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Application publication date: 20110720 |
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