CN206904415U - A kind of flange - Google Patents
A kind of flange Download PDFInfo
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- CN206904415U CN206904415U CN201720531171.6U CN201720531171U CN206904415U CN 206904415 U CN206904415 U CN 206904415U CN 201720531171 U CN201720531171 U CN 201720531171U CN 206904415 U CN206904415 U CN 206904415U
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- flange
- hole
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- basic unit
- composite plate
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Abstract
Pressure vessel field is the utility model is related to, more particularly to a kind of flange.Flange includes：Flange body, composite plate grommet, flange bushing pipe.Flange body opens up flange hole, and comprising positioned at the end face of flange hole side.Composite plate grommet includes the basic unit welded with the end face of flange body, the coating being bonded with basic unit.Wherein, it is spaced from each other between coating and the end face of flange body by basic unit, and coating deviates from the side of basic unit as sealing surface.It is bonded in flange bushing pipe insertion flange hole with the hole wall of flange hole.The sealing surface bearing capacity of flange in the utility model is strong, eliminates the hidden danger of weld defect, substantially increases durability.
Description
Technical field
Pressure vessel field is the utility model is related to, more particularly to a kind of flange.
Background technology
Pressure vessel refers to filling gas or liquid, carries the Sealing Arrangement of certain pressure.Usage is needed on pressure vessel
Blue line up etc. is attached sealing, due to pressure vessel contain medium may corrosivity it is very strong, and the corrosion resistance such as titanium, zirconium compared with
Strong metal price is very expensive, thus, conventional means are that the corrosion resistance such as lining titanium, zirconium is stronger on the flange of steel at present
Sealing surface of the metal as flange, because the metals such as titanium, zirconium are difficult to weld, it is necessary to fix argon again with silver brazing or screw with steel
The method of arc-welding is fixed in steel flanges.
But the two methods respectively have drawback.According to the method for silver brazing, in the fabrication process, because pressure vessel is normal
Multiple thermal histories are had, such as heat treatment, Hot gas cyclic test, silver brazing easily come off.Equally during equipment use, when
Operating temperature is higher, or when vibration equipment is larger, will also result in coming off for silver brazing.On the other hand, silver soldering material is expensive.
If adopting the method for being screwed argon arc welding again, gap between the screw and screw on screw be present, heap postwelding easily causes
Defect.And how much overlaying surface chemical composition can be slightly different with sealing surface, for the equipment that material composition requires higher,
It is not easy to meet its requirement.Screw is also a kind of weakening to strength of flange in itself, and screw also has pine during equipment long-term use
Dynamic possibility.
Thus, invent that a kind of sealing surface bearing capacity is strong and non-damageable flange is current urgent problem.
Utility model content
The purpose of this utility model is to provide a kind of flange so that the strong not rapid wear again of the sealing surface bearing capacity of flange
It is bad.
In order to solve the above technical problems, embodiment of the present utility model provides a kind of flange, comprising：
Flange body, flange hole is opened up, and comprising positioned at the end face of the flange hole side；
Composite plate grommet, comprising：The basic unit welded with the end face of the flange body, the coating being bonded with the basic unit；
Wherein, the flange body and the basic unit are the same material or different materials mutually easily welded, the coating with it is described
It is spaced from each other between the end face of flange body by the basic unit, and the coating is used as sealing away from the side of the basic unit
Face；
Flange bushing pipe, insert in the flange hole and be bonded with the hole wall of the flange hole；
Wherein, the coating of the flange bushing pipe and the composite plate grommet is welded and fixed, and the coating and the flange
Bushing pipe is the mutual same material easily welded or different materials.
The utility model embodiment in terms of existing technologies, using composite plate grommet, by the basic unit of composite plate with
The end face of flange body is welded, and the sealing surface using coating as flange, and the coating of flange bushing pipe and composite plate grommet welds
Fixation is connect, flange body is isolated with medium.Because basic unit and the coating of flange body, flange bushing pipe and composite plate grommet are phase
The material mutually easily welded, thus, the weldering of the weld strength, flange bushing pipe and the coating of composite plate grommet of basic unit and flange body
Connecing intensity can be guaranteed, and between composite plate basic unit and coating itself bonding strength it is big, the pressure-bearing of flange grommet sealing surface
Ability greatly improves.In addition, the structure of mode connects for screw is also not present in flange, the hidden danger of weld defect is eliminated, is greatly improved
Durability.
In addition, the inner ring of the composite plate grommet opens up annular groove, the annular groove is across the basic unit and the coating, and institute
Flange is stated also comprising the gasket ring being arranged in the annular groove；
Wherein, when the flange bushing pipe is welded with the coating weld seam is formed also with the gasket ring to be connected, and institute
Gasket ring is stated to be spaced from each other the weld seam and the basic unit.Gasket ring is protected to the weld seam of coating and flange bushing pipe, is dropped significantly
The low probability of dielectric corrosion basic unit.
In addition, also open up multiple connecting holes on the flange, and each connecting hole is centered on the axis of the flange hole etc.
Away from around setting, and the external diameter of the composite plate grommet is less than the diameter of a circle circumscribed with each connecting hole, or more than with each connection
The diameter of a circle of hole inscribe.
In addition, when the external diameter of the composite plate grommet is more than the diameter of a circle with each connecting hole inscribe, the composite plate
Multiple through holes are opened up on grommet, and the quantity of through hole is identical with the quantity of connecting hole, and correspond and be interconnected, and each through hole
Run through the basic unit and the coating simultaneously.
In addition, the flange, which is also included from each through hole of the composite plate grommet, is inserted into the connection corresponding with the through hole
Lining in hole, and the coating of each lining and the composite plate grommet is welded and fixed, and makes flange connector mutually isolated with medium,
Prevent flange connector from corroding.
In addition, it is characterised in that：The basic unit and the coating are integrally formed, or are that individual components are welded to connect.
Brief description of the drawings
Fig. 1 is the flange schematic cross-sectional view in the utility model first embodiment；
Fig. 2 is the flange schematic cross-sectional view in the utility model second embodiment；
Fig. 3 is the flange schematic cross-sectional view in the embodiment of the utility model the 3rd；
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Each embodiment of type is explained in detail.It is however, it will be understood by those skilled in the art that each in the utility model
In embodiment, in order that reader more fully understands the application and proposes many ins and outs.But even if without these skills
Art details and many variations based on following embodiment and modification, it can also realize that each claim of the application is required and protect
The technical scheme of shield.
First embodiment of the present utility model is related to a kind of flange, as shown in figure 1, comprising：Flange body 3, composite plate
Grommet, flange bushing pipe 5.Flange body 3 opens up flange hole, and comprising positioned at the end face of flange hole side；Composite plate grommet includes：
The basic unit 2 welded with the end face of flange body 3, the coating 1 being bonded with basic unit 2.Wherein, flange body 3 and basic unit 2 are phase mutual tolerance
It is spaced from each other between the end face of the same material or different materials easily welded, coating 1 and flange body 3 by basic unit 2, and coating
1 deviates from the side of basic unit 2 as sealing surface.Flange bushing pipe 5 is inserted in flange hole and is bonded with the hole wall of flange hole.Wherein, flange
The coating 1 of bushing pipe 5 and composite plate grommet is welded and fixed, and coating 1 and flange bushing pipe 5 for the same material mutually easily welded or
Different materials.Multiple connecting holes are opened up on flange, and each connecting hole is equidistant around setting centered on the axis of flange hole, and again
The external diameter of plywood grommet is less than the diameter of a circle circumscribed with each connecting hole.
Specifically, in this embodiment, the basic unit of flange body and composite plate is carbon steel, the coating and flange of composite plate
Bushing pipe 5 is Titanium, blast weldering connection between the basic unit of composite plate and coating, by the basic unit 2 of composite plate and the end of flange body 3
Face is welded, and the sealing surface using coating 1 as flange, the coating 1 of flange bushing pipe 5 and composite plate grommet are welded and fixed, and is made
Flange body 3 is isolated with medium.Because basic unit 2 and the coating 1 of flange body 3, flange bushing pipe 5 and composite plate grommet are phase mutual tolerance
The material easily welded, thus, basic unit 2 and the weldering of the weld strength, flange bushing pipe 5 and the coating 1 of composite plate grommet of flange body 3
Connecing intensity can be guaranteed, and between composite plate basic unit 2 and coating 1 itself bonding strength it is big, flange grommet sealing surface is held
Pressure energy power greatly improves.In addition, the structure of mode connects for screw is also not present in flange, the hidden danger of weld defect is eliminated, is carried significantly
High durability.
It should be noted that in this embodiment, sealing surface is welded between flange bushing pipe 5 and composite board coating 1
Top is welded, and this kind of method can save gasket ring, but can increase by one of postwelding polishing or machining procedure, and the weld seam of welding needs
Carry out 100% Liquid penetrant testing and ensure its welding quality.
Flange in present embodiment is compared with the flange for being less than or equal to 50mm suitable for nominal diameter.
Second embodiment of the present utility model is related to a kind of flange, as shown in Fig. 2 second embodiment is implemented with first
Mode is roughly the same, is in place of the main distinction：In the utility model second embodiment, the inner ring of composite plate grommet is also opened
If annular groove, annular groove is across basic unit 2 and coating 1, and flange is also comprising the gasket ring 4 being arranged in annular groove.Wherein, flange bushing pipe 5 with
Coating 1 forms weld seam and is also connected with gasket ring 4 when being welded, and weld seam and basic unit 2 are spaced from each other by gasket ring 4.
Specifically, the material of gasket ring 4 is also Titanium, and gasket ring 4, flange bushing pipe 5 and coating 1 together weld.Due to pad
The setting of ring 4, forming weld seam during welding can not contact with the basic unit 2 of composite plate grommet, gasket ring 4, flange bushing pipe 5 and coating 1
For same material, bonding strength is big after welding, avoids the carbon steel at back during welding from being polluted to caused by welding metal, weld seam is entered
Go protection, greatly reduce the probability of dielectric corrosion basic unit 2.
Flange in present embodiment is compared with the flange for being more than 50mm suitable for nominal diameter.
3rd embodiment of the present utility model is related to a kind of flange, as shown in figure 3, the 3rd embodiment is implemented with second
Mode is roughly the same, is in place of the main distinction：In this second embodiment, the external diameter of composite plate grommet is less than the company with flange
Connect the circumscribed diameter of a circle in hole.And in the embodiment of the utility model the 3rd, the external diameter of composite plate grommet is more than and each connection
The diameter of a circle of hole inscribe, and multiple through holes are opened up on composite plate grommet, and the quantity of through hole is identical with the quantity of connecting hole, and
Correspond and be interconnected, and each through hole runs through basic unit 2 and coating 1 simultaneously.Flange is also included from each logical of composite plate grommet
Hole is inserted into the lining 6 in the connecting hole corresponding with the through hole, and the coating 1 of each lining 6 and composite plate grommet is welded and fixed,
Make flange connector mutually isolated with medium, prevent flange connector from corroding.
Flange in present embodiment not only makes sealing surface anticorrosive, also carries out anticorrosive guarantor to the attachment structure of flange
Shield, during equipment use, as pad is revealed, the medium of leakage will not cause corruption to the flange basic unit in screw
Erosion.Thus, the flange in present embodiment is applied to the stronger equipment of dielectric corrosion characteristic.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific implementation of the present utility model
Example, and in actual applications, can to it, various changes can be made in the form and details, without departing from spirit of the present utility model
And scope.
Claims (6)
1. a kind of flange, it is characterised in that include：
Flange body, flange hole is opened up, and comprising positioned at the end face of the flange hole side；
Composite plate grommet, comprising：The basic unit welded with the end face of the flange body, the coating being bonded with the basic unit；Wherein,
The flange body is the mutual same material easily welded or different materials, the coating and the flange sheet with the basic unit
It is spaced from each other between the end face of body by the basic unit, and the coating deviates from the side of the basic unit as sealing surface；
Flange bushing pipe, insert in the flange hole and be bonded with the hole wall of the flange hole；
Wherein, the coating of the flange bushing pipe and the composite plate grommet is welded and fixed, and the coating and the flange bushing pipe
For the same material or different materials mutually easily welded.
2. flange according to claim 1, it is characterised in that the inner ring of the composite plate grommet opens up annular groove, the ring
Groove is across the basic unit and the coating, and the flange is also comprising the gasket ring being arranged in the annular groove；
Wherein, when the flange bushing pipe is welded with the coating weld seam is formed also with the gasket ring to be connected, and the pad
The weld seam and the basic unit are spaced from each other by ring.
3. flange according to claim 1, it is characterised in that multiple connecting holes, and each connection are also opened up on the flange
Hole is equidistant around setting centered on the axis of the flange hole, and the external diameter of the composite plate grommet be less than with outside each connecting hole
The diameter of a circle cut, or more than the diameter of a circle with each connecting hole inscribe.
4. flange according to claim 3, it is characterised in that when the external diameter of the composite plate grommet is more than and each connecting hole
During the diameter of a circle of inscribe, multiple through holes are opened up on the composite plate grommet, and the quantity of through hole is identical with the quantity of connecting hole,
And correspond and be interconnected, and each through hole runs through the basic unit and the coating simultaneously.
5. flange according to claim 4, it is characterised in that the flange is also included from each logical of the composite plate grommet
Hole is inserted into the lining in the connecting hole corresponding with the through hole, and the coating welding of each lining and the composite plate grommet is solid
It is fixed.
6. flange as claimed in any of claims 1 to 5, it is characterised in that：The basic unit and coating one
Shaping, or be that individual components are welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720531171.6U CN206904415U (en) | 2017-05-15 | 2017-05-15 | A kind of flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720531171.6U CN206904415U (en) | 2017-05-15 | 2017-05-15 | A kind of flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206904415U true CN206904415U (en) | 2018-01-19 |
Family
ID=61288754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720531171.6U Active CN206904415U (en) | 2017-05-15 | 2017-05-15 | A kind of flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206904415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023723A (en) * | 2017-05-15 | 2017-08-08 | 上海森松化工成套装备有限公司 | A kind of flange and preparation method thereof |
-
2017
- 2017-05-15 CN CN201720531171.6U patent/CN206904415U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023723A (en) * | 2017-05-15 | 2017-08-08 | 上海森松化工成套装备有限公司 | A kind of flange and preparation method thereof |
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