CN205842038U - A kind of flange connection - Google Patents
A kind of flange connection Download PDFInfo
- Publication number
- CN205842038U CN205842038U CN201620735738.7U CN201620735738U CN205842038U CN 205842038 U CN205842038 U CN 205842038U CN 201620735738 U CN201620735738 U CN 201620735738U CN 205842038 U CN205842038 U CN 205842038U
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- China
- Prior art keywords
- flange
- ring flange
- hoop
- ring
- connection
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model discloses a kind of flange connection, including being connected to the first ring flange of the first pipe end and being connected to the second ring flange of second pipe end, described first ring flange and the second ring flange match, first ring flange and the second ring flange are closely linked by many root flanges connecting bolt, described attachment structure also includes flange hoop, described flange hoop is coupling the first ring flange and the circulus of the second ring flange circumferential profile, described flange hoop hoop is embraced in the first ring flange and the periphery of the second ring flange, the faying face circumference of the first ring flange and the second ring flange is blocked.It is the cushion seal structure forming auxiliary at flange faying face, in the case of primary seal is damaged, can effectively stop that the medium in pipeline is revealed, at least stopped medium radially splash or injection, be conducive to surrounding formed safer, reliably protect, also attendant is conducive to have the sufficient time to carry out safeguarding preparation, reliability is high, practical.
Description
Technical field
This utility model relates to the flange connection of medium conveyance conduit docking, especially high-temp liquid or High Temperature Gas
The flange connection of body conveyance conduit docking.
Background technology
In the docking of medium conveyance conduit, Flange joint is main banjo fixing butt jointing, concrete, at the first relative pipe
End, road connects fixes the first ring flange, connects in second pipe end and fixes the second ring flange, the first ring flange and the second method
Offer multiple bolt hole and mutual Corresponding matching on blue dish respectively, between the first ring flange and the second ring flange, be provided with flange
Pad and they are closely linked by many root flanges connecting bolt；This Flange joint have convenient disassembly, intensity high,
The feature of good seal performance.But, this kind of Flange joint under arms during, once flange gasket damage (include fatigue damage and
Accidental damage), it seals structure and will directly be destroyed, and in pipeline, the medium of conveying will be through the first ring flange and the second flange
Faying face between dish is revealed and is gone out；Surrounding, for general medium, is preferably at most polluted, is situated between by this leakage
Matter causes waste, but for high-temperature medium (including high-temp liquid or high-temperature gas), such as on emulsion explosive production line
, higher potential safety hazard will be there is in the high-temperature material that conveyance conduit is carried, this is because: in the pipeline of conveying high-temperature medium
Pressure of a relatively high, once Flange joint joint failure leaks, then the high-temperature medium carried in pipeline will be
There is radially outer splash or injection at flange faying face, not only surrounding can be caused the pollution of larger area, and
Also can to the coldest cause not as good as anti-personnel it is contemplated that scald injury.
In sum, though to have convenient disassembly, intensity high, good seal performance for the Flange joint of existing medium conveyance conduit
Feature, but once seal destructurized, then because Flange joint is without the cushion seal structure of auxiliary, and cause medium to waste, very
To injuring the leakage of surrounding people, the trigger reaction of attendant is proposed higher requirement.
Summary of the invention
Goal of the invention of the present utility model is: for above-mentioned the deficiencies in the prior art, it is provided that a kind of simple in construction, cost
Cheap, there is the cushion seal of auxiliary, reliable and practical flange connection.
This utility model be the technical scheme is that a kind of flange connection, including being connected to the first pipe end
The first ring flange and be connected to the second ring flange of second pipe end, described first ring flange and the second ring flange are mutually
Joining, the first ring flange and the second ring flange are closely linked by many root flanges connecting bolt, and described attachment structure is also wrapped
Having included flange hoop, described flange hoop is coupling the first ring flange and the circulus of the second ring flange circumferential profile, described flange
Hoop hoop is embraced in the first ring flange and the periphery of the second ring flange, the faying face circumference of the first ring flange and the second ring flange is sealed
Stifled.
Preferably, the both sides of described flange hoop are respectively provided with infolding safe edge.
Preferably, described flange hoop is that at least one section of arc combines through the connection of sealed bolt.Further
, the arc of described flange hoop connects end and has engaging lug outer folding, relative, and described relative engaging lug is provided with mutually
Corresponding bolt hole.
Preferably, it is provided with liner between described flange hoop inwall and the outer rim of the first ring flange and the second ring flange
Pad.Further, described inner liner is felt or high-temperature resistant rubber.
Preferably, described flange hoop is the corrosion resistant plate of thickness 1～3mm.
Described first pipeline and the conveyance conduit that second pipe is high-temp liquid or high-temperature gas.
It is provided with flange gasket between described first ring flange and the second ring flange.
The beneficial effects of the utility model are:
1. this utility model is to have embraced circle garter spring (i.e. flange hoop), with this at the periphery of existing flange connection hoop
Blocking the radial direction faying face of Flange joint in the circumferential, this flange hoop has simple in construction, convenient formation, with low cost, operation
The feature such as easily, thus at flange faying face, form the cushion seal structure of auxiliary, the primary seal at Flange joint is damaged
In the case of, it is possible to the effective medium stopped in pipeline is revealed, is at least stopped medium radially splash or injection, and then is conducive to
Surrounding is formed safer, reliably protect, the most beneficially attendant have the sufficient time carry out safeguard prepare, reliably
Property high, practical；Additionally, flange hoop can effectively prevent extraneous factor to the erosion of sealing structure at flange faying face, protect
Long-lasting and the reliability of barrier flange primary seal；
Flange hoop the most of the present utility model is with arc by the pretension of sealed bolt, sealed docking molding, and it can be by
The processing and forming of flange hoop and use simple operation, can form again firm hoop and embrace, increase further the periphery of Flange joint
Its dependable with function strong；
3. the inner liner that this utility model is set between flange hoop and the outer rim of Flange joint, it is possible to have further
Effect, reliable, the stable sealing property strengthening auxiliary cushion seal, make flange hoop the hoop of Flange joint outer rim be embraced sealing more
Closely, reliably, can further flange primary seal closely be protected simultaneously.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is further described.
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the A-A view of Fig. 1.
Code name implication in figure: 1 first pipeline；2 first ring flanges；3 second pipes；4 second ring flanges；5—
Flange gasket；6 flange bolts；7 flange hoops；8 inner liner；9 sealed bolts；10 engaging lugs.
Detailed description of the invention
Embodiment 1
Seeing shown in Fig. 1 and Fig. 2, this utility model is that high-temperature medium conveyance conduit is (on such as emulsion explosive production line
Material conveying pipe) docking flange connection, it includes the first ring flange the 2, second ring flange 4 and flange hoop 7.
Wherein, the first ring flange 2 is provided with multiple bolt hole, and the first ring flange 2 is fastened on the end of the first pipeline 1
Portion, the first pipeline 1 is the conveyance conduit of high-temp liquid or high-temperature gas, for carrying the medium of high-temp liquid or gas.Second
Ring flange 4 is fastened on the end of second pipe 3, and second pipe 3 is the conveyance conduit of high-temp liquid or high-temperature gas, is used for
Conveying high-temp liquid or the medium of gas；Second pipe 3 is relative with the position of the first pipeline 1, and the second ring flange 4 is provided with multiple
Bolt hole, the second ring flange 4 matches with the first ring flange 2.First ring flange 2 is docking together with the second ring flange 4, they
Between be provided with flange gasket 5, the first ring flange 2 and the second ring flange 4 are by the many flange bolts being installed in bolt hole 6
It is closely linked.
Flange hoop 7 is coupling the first ring flange 2 and circulus of the second ring flange 4 circumferential profile, concrete, flange hoop
7 use thickness ranges be 1～3mm(preferred thickness range be 1.5～2.5mm；Such as 1mm, 1.5mm, 2mm, 2.5mm or 3mm
Deng) corrosion resistant plate is clipped, brake forming, i.e. flange hoop 7 are one section of arc, its length mates the first ring flange 2 and
The periphery girth of two ring flanges 4, the circumferential two ends of arc have relative, the engaging lug 10 of outer folding, at two engaging lugs 10
On offer corresponding bolt hole, sealed bolt 9 is connected on the engaging lug 10 at arc two ends, makes arc be formed with this
Mate the flange hoop 7 of the circulus of the first ring flange 2 and the second ring flange 4 circumferential profile；In order to make flange hoop 7 can circumference
First ring flange 2 and second ring flange 4 embraced by hoop, and two limits of flange hoop 7 (i.e. the limit in ring week) is respectively provided with protecting of bending inwards
Limit, the distance between two safe edges is equal or slightly larger than the first ring flange the 2, second ring flange 4 and thickness sum of flange gasket 5,
The cross section of flange hoop 7 is groove-like.Flange hoop 7 is sleeved on the first ring flange 2 and periphery of the second ring flange 4, at flange hoop 7
Be provided with between inwall and the first ring flange 2 and the outer rim of the second ring flange 4 ring week inner liner 8, this inner liner 8 use felt or
The clipped molding of high-temperature resistant rubber, presets the flange hoop 7 of inner liner 8 through the locking of sealed bolt 9 and to the first ring flange 2 He
The periphery hoop of the second ring flange 4 is embraced, thus is formed in the circumferential by the radial direction faying face of the first ring flange 2 and the second ring flange 4
Closure, sealing.
Embodiment 1
This utility model is high-temperature medium conveyance conduit (material conveying pipe on such as emulsion explosive production line) docking
Flange connection, it includes the first ring flange, the second ring flange and flange hoop.
Wherein, the first ring flange is provided with multiple bolt hole, and the first ring flange is fastened on the end of the first pipeline, the
One pipeline is the conveyance conduit of high-temp liquid or high-temperature gas, for carrying the medium of high-temp liquid or gas.Second ring flange
Being fastened on the end of second pipe, second pipe is the conveyance conduit of high-temp liquid or high-temperature gas, is used for carrying high temperature
Liquid or the medium of gas；The position of second pipe and the first pipeline is relative, and the second ring flange is provided with multiple bolt hole, and second
Ring flange and the first ring flange match.First ring flange and the second ring flange are docking together, and are provided with flange gasket between them,
First ring flange and the second ring flange are closely linked by the many flange bolts being installed in bolt hole.
Flange hoop is coupling the first ring flange and the circulus of the second ring flange circumferential profile, and concrete, flange hoop is adopted
With thickness range be 1～3mm(preferred thickness range be 1.5～2.5mm；Such as 1mm, 1.5mm, 2mm, 2.5mm or 3mm etc.)
Corrosion resistant plate is clipped, brake forming, i.e. flange hoop is two sections of arcs, and the girth sum of these two sections of arcs is matched with first
The periphery girth of ring flange and the second ring flange, the circumferential two ends of two sections of arcs are respectively provided with relative, the engaging lug of outer folding,
Two relative engaging lugs are one group, offer corresponding bolt hole often organizing on engaging lug, sealed are bolted to two sections
On two groups of engaging lugs at arc two ends, two sections of arc combination formation are made to be matched with the first ring flange and the second ring flange with this
The flange hoop of the circulus of circumferential profile；In order to enable flange hoop circumference hoop to embrace the first ring flange and the second ring flange, method
Two limits (i.e. the limit in ring week) of blue hoop are respectively provided with the safe edge bent inwards, and the distance between two safe edges is equal or slightly larger than
The thickness sum of the first ring flange, the second ring flange and flange gasket, the cross section of flange hoop is groove-like.Flange cuff is contained in first
Ring flange and the periphery of the second ring flange, be provided with between the inwall and the outer rim of the first ring flange and the second ring flange of flange hoop
The inner liner in ring week, this inner liner uses felt or the clipped molding of high-temperature resistant rubber, presets the flange hoop of inner liner through lock
Close the locking of bolt and the periphery hoop of the first ring flange and the second ring flange is embraced, thus by the first ring flange and the second ring flange
Radial direction faying face block in the circumferential, seal.
Embodiment 3
Other content of the present embodiment is identical with embodiment 1 or 2, and difference is: cancels inner liner, the most only passes through method
Blue hoop anchor ear is in the first ring flange and the outer rim of the second ring flange.This embodiment is only capable of blocking the first ring flange in actual use
With the faying face of the second ring flange, sealing effectiveness is limited.
Embodiment 4
Other content of the present embodiment is identical with embodiment 1 or 2, and difference is: two limits of flange hoop not to
The safe edge of inner bending.
Embodiment 5
Other content of the present embodiment is identical with embodiment 1 or 2, and difference is: the first pipeline and second pipe are used
In conveying generic media, such as cooling water etc..
The various embodiments described above only in order to this utility model to be described, are not intended to limit.Although with reference to the various embodiments described above pair
This utility model has been described in detail, and it will be understood by those within the art that: it still can be to above-mentioned each reality
The concrete technical scheme executed in example is modified, or wherein portion of techniques feature is carried out equivalent；And these amendment or
Person replaces, and does not make the essence of appropriate technical solution depart from the spirit and scope of technical solutions of the utility model.
Claims (9)
1. a flange connection, including being connected to first ring flange (2) of the first pipeline (1) end and being connected to the second pipe
Second ring flange (4) of road (3) end, described first ring flange (2) and the second ring flange (4) match, the first ring flange (2)
It is closely linked by many root flanges connecting bolt (6) with the second ring flange (4), it is characterised in that: described attachment structure
Also including flange hoop (7), described flange hoop (7) is coupling the first ring flange (2) and the ring of the second ring flange (4) circumferential profile
Shape structure, described flange hoop (7) hoop is embraced in the first ring flange (2) and the periphery of the second ring flange (4), by the first ring flange (2)
Block with the faying face circumference of the second ring flange (4).
Flange connection the most according to claim 1, it is characterised in that: in the both sides of described flange hoop (7) are respectively provided with
Folding safe edge.
Flange connection the most according to claim 1 or claim 2, it is characterised in that: described flange hoop (7) is at least one section of arc
Plate combines through sealed bolt (9) connection.
Flange connection the most according to claim 3, it is characterised in that: the arc of described flange hoop (7) connects end tool
Engaging lug (10) outer folding, relative, described relative engaging lug (10) is had to be provided with the most corresponding bolt hole.
Flange connection the most according to claim 1 or claim 2, it is characterised in that: described flange hoop (7) inwall and the first flange
Inner liner (8) it is provided with between the outer rim of dish (2) and the second ring flange (4).
Flange connection the most according to claim 5, it is characterised in that: described inner liner (8) is felt or high temperature resistant rubber
Glue.
Flange connection the most according to claim 1 or claim 2, it is characterised in that: described flange hoop (7) is thickness 1～3mm
Corrosion resistant plate.
Flange connection the most according to claim 1, it is characterised in that: described first pipeline (1) and second pipe (3) are
High-temp liquid or the conveyance conduit of high-temperature gas.
Flange connection the most according to claim 1, it is characterised in that: described first ring flange (2) and the second ring flange
(4) flange gasket (5) it is provided with between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620735738.7U CN205842038U (en) | 2016-07-13 | 2016-07-13 | A kind of flange connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620735738.7U CN205842038U (en) | 2016-07-13 | 2016-07-13 | A kind of flange connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205842038U true CN205842038U (en) | 2016-12-28 |
Family
ID=57619762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620735738.7U Active CN205842038U (en) | 2016-07-13 | 2016-07-13 | A kind of flange connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205842038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627942A (en) * | 2020-10-27 | 2021-04-09 | 蓝晶卡特排放技术南京有限公司 | Regeneration method and system of diesel particulate filter |
-
2016
- 2016-07-13 CN CN201620735738.7U patent/CN205842038U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627942A (en) * | 2020-10-27 | 2021-04-09 | 蓝晶卡特排放技术南京有限公司 | Regeneration method and system of diesel particulate filter |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |