CN206778060U - For the sealing structure between filter core and orifice plate - Google Patents
For the sealing structure between filter core and orifice plate Download PDFInfo
- Publication number
- CN206778060U CN206778060U CN201720345521.XU CN201720345521U CN206778060U CN 206778060 U CN206778060 U CN 206778060U CN 201720345521 U CN201720345521 U CN 201720345521U CN 206778060 U CN206778060 U CN 206778060U
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- China
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- filter core
- orifice plate
- sealing structure
- wall
- sealing
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Abstract
The utility model discloses a kind of sealing structure being used between filter core and orifice plate, and it includes the thermal expansion seal being placed in after filter core is adapted with the filter core mounting hole on orifice plate between filter core outer wall and filter core inner wall of the hole installing.Thermal expansion seal is the elastic sealing element for producing extruding force under high temperature to filter core outer wall and filter core inner wall of the hole installing by volumetric expansion.The utility model uses above-mentioned thermal expansion seal, it can be expanded under the high temperature conditions by own vol and extruding force is produced to filter core outer wall and filter core inner wall of the hole installing, thus under high-temperature dust removal environment, the utility model is not in the situation of seal failure, thermal expansion seal can press even closer between filter core and orifice plate under the high temperature conditions, extra again the structure for applying thrust need not be set so that the significant sealing affection of cartridge seal structure improves, and sealing structure is simplified.
Description
Technical field
Dedusting technical field is the utility model is related to, is used in particular to a kind of between filter core and orifice plate
Sealing structure.
Background technology
Cartridge seal structure of the prior art typically uses plane sealing structure or clamp pipe type structure.It is as shown in figure 5, flat
The mounting structure of surface seal structure includes filter core 2a, orifice plate 1a, the gasket seal being arranged between filter core 2a and orifice plate 1a end faces
3a, gasket seal 3a are compressed by the pressing plate 6a fixed through bolt 8a, and ripple is additionally provided with from top to down between pressing plate 6a and filter core 1a
Shape spring 5a and Venturi tube end 7a.As shown in fig. 6, the mounting structure of clamp pipe type structure includes filter core 2b, orifice plate 1b, set
Wavy spring 5b and Venturi tube are sequentially provided with gasket seal 3b between filter core 2b and orifice plate 1b end faces, gasket seal 3b
End 7b, correspond on the orifice plate 1 and card pipe 9b is provided with mounting hole, card pipe 9b is provided with baffle plate 6b, the baffle plate 6b and set
Adjustable bolt 8b, compress gasket 10b is provided between the wavy spring 5b and bolt 8b, is compressed by regulating bolt 8b
Gasket seal 3b.Above-mentioned cartridge seal structure of the prior art employs the gasket seal of flat seal, therefore works as and apply
When in high-temperature dust removal environment, gasket seal is easy to because high temperature produces linear expansion and causes original sealing structure to fail.
Such as easily there is above mentioned problem under high-temperature dust removal environment in the silicone rubber pad used in the prior art.Also have in the prior art
Using the resistant to elevated temperatures gasket seal such as graphite wound gasket piece, asbestos washer, although these gasket seals are not easy under high-temperature dust removal
Deform, but the sealing property of their own is unsatisfactory, it is necessary to can be only achieved one using the compressing structure of larger pressure
As sealing effectiveness.
Utility model content
Main purpose of the present utility model is to provide the sealing structure between filter core and orifice plate, to solve existing skill
The easy seal failure of cartridge seal structure in art, the problem of sealing effectiveness is undesirable.
To achieve these goals, the utility model provides a kind of sealing structure being used between filter core and orifice plate, it
Including the heat being placed in after filter core is adapted with the filter core mounting hole on orifice plate between filter core outer wall and filter core inner wall of the hole installing
Inflating sealing body.Thermal expansion seal is that filter core outer wall and filter core inner wall of the hole installing are produced by volumetric expansion under high temperature to squeeze
The elastic sealing element of pressure.The utility model uses above-mentioned thermal expansion seal, can pass through own vol under the high temperature conditions
Expansion produces extruding force to filter core outer wall and filter core inner wall of the hole installing, and thus under high-temperature dust removal environment, the utility model is not
The situation of seal failure occurs, thermal expansion seal can press more to step up under the high temperature conditions between filter core and orifice plate
It is close, it is not necessary to extra again that the structure for applying thrust is set so that the significant sealing affection of cartridge seal structure improves, sealing knot
Structure is simplified.
Further, one end that the filter core is installed on filter core mounting hole is filter core joint, and the filter core joint includes
Tubular structure and by tubular structure port radially outward from one week convex shoulder structure, the thermal expansion seal be located at filter core peace
Vertical sealing structure is used as between dress hole inwall and tubular structure outer wall, it also includes being arranged at convex shoulder structure and orifice plate end face
Between plane sealing structure.Filter core joint is used to connect filter core main body, and vertical sealing structure under the high temperature conditions can
Extruding force is produced to tubular structure outer wall and filter core inner wall of the hole installing by own vol expansion and is used as primary seal structure, i.e.,
It is also not in seal failure problem under high-temperature dust removal to make, and plane sealing structure can be used as secondary seal structure, improves this
The sealing property of utility model filter core joint and orifice plate in-plane, strengthens overall tightness of the present utility model.
Further, the plane sealing structure is connected as a single entity with the vertical sealing structure so that plane sealing structure is made
For the position limiting structure of fixed vertical sealing structure.The position that position limiting structure is used to limit vertical sealing structure causes vertical sealing knot
Structure is not shifted over, thus on the one hand need not additional position limiting structure again so that the utility model structure is simpler, drop
Low manufacturing cost, on the other hand, plane sealing structure and vertical sealing structure are linked as entirety, further increase this practicality
New sealing property.
Further, the vertical sealing structure is tube structure, and the plane sealing structure is by tube structure one end
The loop structure that port extends radially outwardly out.
Further, the vertical sealing structure is close to orifice plate other end and extends one week projection, the projection and institute
State the clamp structure that plane sealing structure collectively forms clamping orifice plate.Structural stability of the present utility model is which thereby enhanced, is entered
One step improves sealing property of the present utility model.
Further, the projection is located at the front of motor of vertical sealing structure.Thus the peace of vertical sealing structure is facilitated
Dress.
Further, the end of the projection is back taper ring body.So that vertical sealing structure is easily installed,
Reduce the resistance of installation process.
Further, the ledge structure for vertical sealing structure clamping installation is additionally provided with the filter core joint.It is so that perpendicular
It is connected to well between convex shoulder structure and ledge structure using the elasticity of itself to sealing structure, further increases this practicality
New sealing property.
Further, the filter core is the structure of filter bag that flexible, porous metal film is formed.Further, the filter core is soft
Property the structure of filter bag that forms of porous metal film, the vertical sealing structure can be directed to Sexual behavior mode and be resistant to 150 DEG C -280 DEG C of temperature
Thermal expansion seal.
Further, the thermal expansion seal is the seal that fluorubber material is formed.The bullet that fluorubber material is formed
Property body can well realize extruding force is produced by volumetric expansion filter core outer wall and filter core inner wall of the hole installing under above-mentioned high temperature
It can be seen that the utility model is also not in the situation of seal failure under the conditions of high-temperature dust removal, thermal expansion is close
Envelope is known from experience even closer with filter core and orifice plate extruding under the high temperature conditions, it is not necessary to extra again to set the knot for applying thrust
Structure so that the significant sealing affection of cartridge seal structure improves, and sealing structure is simplified.The utility model is primarily adapted for use in height
In temperature, the technical field of high-precision gas dedusting, the high temperature fume dust removal that is particularly suitable for use at 150 DEG C -280 DEG C.
The utility model is described further with reference to the accompanying drawings and detailed description.What the utility model added
Aspect and advantage will be set forth in part in the description, and partly will become apparent from the description below, or pass through this practicality
New practice is recognized.
Brief description of the drawings
Form a part of accompanying drawing of the present utility model to be used for aiding in understanding of the present utility model, provided in accompanying drawing
Content and its relevant explanation in the utility model can be used for explaining the utility model, but do not form to it is of the present utility model not
Work as restriction.In the accompanying drawings：
Fig. 1 is a kind of installation knot for the sealing structure being used between filter core and orifice plate in the utility model embodiment
Structure schematic diagram.
Fig. 2 is the mplifying structure schematic diagram of I parts in Fig. 1.
Fig. 3 is that a kind of structure for the sealing structure being used between filter core and orifice plate is shown in the utility model embodiment
It is intended to.
Fig. 4 is the structural representation of filter core joint in the utility model embodiment.
Fig. 5 is the mounting structure schematic diagram of plane sealing structure in the prior art.
Fig. 6 is the mounting structure schematic diagram of clamp pipe type structure in the prior art.
Embodiment
Clear, complete explanation is carried out to the utility model below in conjunction with the accompanying drawings.Those of ordinary skill in the art based on
The utility model can be realized in the case of these explanations.It is before being illustrated with reference to accompanying drawing to the utility model, it is necessary to special
It is not pointed out that：
Technical scheme and technical characteristic in the utility model provided in each several part including the description below,
In the case of not conflicting, these technical schemes and technical characteristic can be mutually combined.
The embodiment of the present utility model being related in the description below is generally only the embodiment of the branch of the utility model one,
Rather than whole embodiment.Therefore, do not made based on the embodiment in the utility model, those of ordinary skill in the art
The every other embodiment obtained on the premise of creative work, it should all belong to the scope of the utility model protection.
On the explanation to term in the utility model.Specification and claims of the present utility model and relevant portion
Term term " comprising " and " having " and their any deformation in point, it is intended that cover non-exclusive include.Term "
Front of motor " is the vertical sealing structure for the plane sealing structure and the vertical sealing structure are connected as a single entity
The one end being connected with plane sealing structure is connection end, and the one end not being connected with plane sealing structure is front of motor.
The sealing structure that the utility model is used between filter core and orifice plate, it is included when filter core 4 and the filter core on orifice plate 1 are pacified
Dress hole 11 is adapted the rear thermal expansion seal being placed between the outer wall of filter core 4 and filter core inner wall of the hole installing 14.
One end that the filter core 4 is installed on filter core mounting hole 11 is filter core joint 2, and the filter core joint 2 includes tubular
Structure and by tubular structure port radially outward from one week convex shoulder structure, the thermal expansion seal is located at filter core mounting hole
Vertical sealing structure 31 is used as between inwall 14 and tubular structure outer wall 22, it also includes being arranged at convex shoulder structure and orifice plate 1 one
Plane sealing structure 32 between end face.
The plane sealing structure 32 is connected as a single entity so that the conduct of plane sealing structure 32 with the vertical sealing structure 31
The position limiting structure of fixed vertical sealing structure 31.
The vertical sealing structure 31 is tube structure, and the plane sealing structure 32 is by tube structure one end port footpath
To the loop structure extended outward.
The vertical sealing structure 31 is close to the other end of orifice plate 1 and extends one week projection 33, the projection 33 with it is described
Plane sealing structure 32 collectively forms the clamp structure of clamping orifice plate 1.
The projection 33 is located at the front of motor of vertical sealing structure 31.
The end of the projection 33 is back taper ring body.
The ledge structure 23 for the clamping of vertical sealing structure 31 installation is additionally provided with the filter core joint 2.
The filter core 4 is the structure of filter bag that flexible, porous metal film is formed.
The thermal expansion seal is the seal that fluorubber material is formed.
Exemplified by application of the utility model in the filter bag mounting structure that flexible, porous metal film is formed, to this
Utility model is described further, and the dedusting temperature of present embodiment is 250 DEG C, is filtered for high-temperature flue gas.Fig. 1
For a kind of installation knot for the sealing structure being used between filter core and orifice plate in the utility model the utility model embodiment
Structure schematic diagram.Fig. 4 is the structural representation of filter core joint in the utility model embodiment.As shown in Figure 1 and Figure 4, originally
The mounting structure of the sealing structure being used between filter core and orifice plate in embodiment includes horizontally disposed orifice plate 1, should
Orifice plate 1, which is generally disposed in gas-filtering device, to be used to install filter core, and orifice plate 1 is provided with the filter core mounting hole for being used for installing filter core
11, in addition to the hollow tubular filter core joint 2 being inserted in from filter core mounting hole 11, the filter core joint 2 includes the cylindrical shape of bottom
Structure 25 and the convex shoulder structure 24 being connected with the upper end of cylinder-like structure 25.The filter core joint 2 insert filter core mounting hole 11 it
It is suspended on afterwards using convex shoulder structure 24 on orifice plate 1.The lower end of cylinder-like structure 25 connects with filter core 4, and specific connected mode can be with
Using welding or bonding, will not be described here.Between filter core joint 2 and orifice plate 1 be provided with the utility model be used for filter core with
Cartridge seal structure 3 (hereinafter referred to as cartridge seal structure 3) between orifice plate.Wherein described cartridge seal structure 3 is fluorine rubber
The elastic construction that glue material is formed, the elastic construction is thermal expansion seal.The flexible, porous metal foil average pore size is
0.05-50 μm, porosity 15-70%, thickness is 5-1500 μm.Suitable aperture is selected according to actual use demand, above-mentioned
Flexible, porous metal foil can be intercepted efficiently in air in average pore size scope；The flexible, porous gold under above-mentioned porosity ranges
It is maximum to belong to the outer cylinder body filtration flux that paper tinsel is formed；In above-mentioned thickness range, flexible, porous metal foil pliability is good, foldable,
Filter bag shape can be made.Filter core joint 2 can be the self structure of filter core 4 according to the situation of specific filter core 4, or individually connect
The joint design connect, filter core joint 2 is the joint design individually connected in this embodiment.
Fig. 2 is the mplifying structure schematic diagram of I parts in Fig. 1.Fig. 3 is that one kind is used in the utility model embodiment
The structural representation of sealing structure between filter core and orifice plate.As shown in Figure 2 and Figure 3, above-mentioned cartridge seal structure 3 includes setting
Vertical sealing structure 31 between the cylinder-like structure outer wall 22 of filter core joint 2 and filter core inner wall of the hole installing 14, it is arranged at filter
Plane sealing structure 32 between the convex shoulder structure lower surface and the upper surface 12 of orifice plate 1 of core joint 2, the vertical sealing structure 31
Lower end periphery be close to the lower surface 13 of orifice plate 1 and extend projection 33, the projection 33 and the plane sealing structure 32 are common
Form the clamp structure of clamping orifice plate 1.Above-mentioned vertical sealing structure 31, plane sealing structure 32 and the projection collectively form
A centre be provided with passage 34 tubular structure it is overall, as described cartridge seal structure 3.Wherein projection 33 is for outer surface
The inverted cone-shaped structure of inclined plane.As shown in Figure 2 and Figure 4, a circle platform is extended in the lower end of cylinder-like structure 25 of the filter core joint 2
Stage structure 23.
The sealing structure being used between filter core and orifice plate in present embodiment is not in the situation of seal failure,
It should be noted to ensure that its size can be just with filter core joint 3 and mounting hole 11 in the above-mentioned manufacturing process of cartridge seal structure 3
Agree with installation, also to ensure its even density, hardness is consistent everywhere, thereby guarantees that in cartridge seal structure 3, especially vertical close
The swell increment of seal structure 31 everywhere is consistent.Vertical sealing structure 31 can be connected with filter core joint 2 and orifice plate under the high temperature conditions
It is even closer, it is not necessary to which that extra again to set the structure for applying thrust, plane sealing structure 32 passes through the self gravitation of filter core joint 2
I.e. compressible setting so that the significant sealing affection of cartridge seal structure improves, and sealing structure is simplified.The utility model is main
Suitable for high temperature, high-precision gas dedusting technical field, the high temperature fume dust removal that is particularly suitable for use at 150 DEG C -280 DEG C.
In practical operation, first cartridge seal structure 3 is socketed on filter core joint 2, because cartridge seal structure 3 has
Elasticity is first expanded when being therefore socketed, and is attached to resilience clamping when between convex shoulder structure 24 and ledge structure 23.Then filter core is connect
First 2 are pressed at mounting hole 11, afterwards connection filter element 4 again.Vertical sealing structure 31, flat seal knot in this embodiment
Structure 32 is connected as a single entity structure, but both are not limited to the structure setting that is connected as a single entity, and both can also be independently arranged.
Claims (10)
1. for the sealing structure between filter core and orifice plate, it is characterised in that：It is included when filter core (4) and the filter on orifice plate (1)
The thermal expansion sealing that core mounting hole (11) is placed in after being adapted between the outer wall of filter core (4) and filter core inner wall of the hole installing (14)
Body.
2. the sealing structure as claimed in claim 1 being used between filter core and orifice plate, it is characterised in that：Filter core (4) peace
Be filter core joint (2) loaded on one end on filter core mounting hole (11), the filter core joint (2) include tubular structure (25) and by
Tubular structure (25) port radially outward from one week convex shoulder structure (24), the thermal expansion seal is located in filter core mounting hole
Vertical sealing structure (31) is used as between wall (14) and tubular structure outer wall (22), it also include be arranged at convex shoulder structure (24) with
Plane sealing structure (32) between orifice plate (1) end face.
3. the sealing structure as claimed in claim 2 being used between filter core and orifice plate, it is characterised in that：The flat seal knot
Structure (32) is connected as a single entity with the vertical sealing structure (31) so that plane sealing structure (32) is as fixed vertical sealing structure
(31) position limiting structure.
4. the sealing structure as claimed in claim 3 being used between filter core and orifice plate, it is characterised in that：The vertical sealing knot
Structure (31) is tube structure, and the plane sealing structure (32) is the circle to be extended radially outwardly out by tube structure one end port
Cyclic structure.
5. the sealing structure as claimed in claim 2 being used between filter core and orifice plate, it is characterised in that：The vertical sealing knot
Structure (31) is close to orifice plate (1) other end and extends one week projection (33), the projection (33) and the plane sealing structure
(32) clamp structure of clamping orifice plate (1) is collectively formed.
6. the sealing structure as claimed in claim 5 being used between filter core and orifice plate, it is characterised in that：Projection (33) position
Front of motor in vertical sealing structure (31).
7. the sealing structure as claimed in claim 5 being used between filter core and orifice plate, it is characterised in that：The projection (33)
End is back taper ring body.
8. the sealing structure as claimed in claim 2 being used between filter core and orifice plate, it is characterised in that：The filter core joint
(2) ledge structure (23) for vertical sealing structure (31) clamping installation is additionally provided with.
9. the sealing structure as claimed in claim 1 being used between filter core and orifice plate, it is characterised in that：The filter core (4) is
The structure of filter bag that flexible, porous metal film is formed.
10. the sealing structure as claimed in claim 1 being used between filter core and orifice plate, it is characterised in that：The thermal expansion is close
The seal that Feng Tiwei fluorubber material is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720345521.XU CN206778060U (en) | 2017-04-01 | 2017-04-01 | For the sealing structure between filter core and orifice plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720345521.XU CN206778060U (en) | 2017-04-01 | 2017-04-01 | For the sealing structure between filter core and orifice plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206778060U true CN206778060U (en) | 2017-12-22 |
Family
ID=60705645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720345521.XU Active CN206778060U (en) | 2017-04-01 | 2017-04-01 | For the sealing structure between filter core and orifice plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206778060U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108543352A (en) * | 2018-06-14 | 2018-09-18 | 成都易态科技有限公司 | Filter core connector and its component |
| CN112228556A (en) * | 2020-10-12 | 2021-01-15 | 西安西矿环保科技有限公司 | Sealing structure for metal filter bag |
-
2017
- 2017-04-01 CN CN201720345521.XU patent/CN206778060U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108543352A (en) * | 2018-06-14 | 2018-09-18 | 成都易态科技有限公司 | Filter core connector and its component |
| CN108543352B (en) * | 2018-06-14 | 2023-12-12 | 成都易态科技有限公司 | Filter element joint and assembly thereof |
| CN112228556A (en) * | 2020-10-12 | 2021-01-15 | 西安西矿环保科技有限公司 | Sealing structure for metal filter bag |
| CN112228556B (en) * | 2020-10-12 | 2023-01-06 | 西安西矿环保科技有限公司 | Sealing structure for metal filter bag |
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