CN107051027A - 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
- CN107051027A CN107051027A CN201710214379.XA CN201710214379A CN107051027A CN 107051027 A CN107051027 A CN 107051027A CN 201710214379 A CN201710214379 A CN 201710214379A CN 107051027 A CN107051027 A CN 107051027A
- Authority
- CN
- China
- Prior art keywords
- filter core
- orifice plate
- sealing structure
- seal
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/068—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces the packing swelling under working conditions
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of sealing structure being used between filter core and orifice plate, 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 mounting hole inwall.Thermal expansion seal is the elastic sealing element for producing extruding force under high temperature to filter core outer wall and filter core mounting hole inwall by volumetric expansion.The present invention uses above-mentioned thermal expansion seal, extruding force can be produced to filter core outer wall and filter core mounting hole inwall by own vol expansion under the high temperature conditions, thus under high-temperature dust removal environment, the present invention 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 is improved, and sealing structure is simplified.
Description
Technical field
The present invention relates to dedusting technical field, in particular to a kind of sealing being used between filter core and orifice plate
Structure.
Background technology
Cartridge seal structure of the prior art typically uses plane sealing structure or clamp pipe type structure.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
Card pipe 9b is provided with end 7b, the orifice plate 1 at correspondence mounting hole, card pipe 9b is provided with setting on baffle plate 6b, the baffle plate 6b
Adjustable bolt 8b, between the wavy spring 5b and bolt 8b be provided with compress gasket 10b, 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 ought 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.
Easily there is above mentioned problem under high-temperature dust removal environment in the silicone rubber pad for example 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 difficult 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.
The content of the invention
It is a primary object of the present invention to provide for the sealing structure between filter core and orifice plate, to solve in the prior art
The easy seal failure of cartridge seal structure, the problem of sealing effectiveness is undesirable.
To achieve these goals, the invention provides a kind of sealing structure being used between filter core and orifice plate, it includes
The thermal expansion 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 mounting hole inwall
Seal.Thermal expansion seal is to produce extruding force to filter core outer wall and filter core mounting hole inwall by volumetric expansion under high temperature
Elastic sealing element.The present invention uses above-mentioned thermal expansion seal, under the high temperature conditions can be by own vol expansion to filter
Outer core and filter core mounting hole inwall produce extruding force, thus under high-temperature dust removal environment, and the present invention is not in that sealing is lost
The situation of effect, thermal expansion seal can press even closer between filter core and orifice plate under the high temperature conditions, it is not necessary to volume again
Outer to set the structure for applying thrust so that the significant sealing affection of cartridge seal structure is improved, sealing 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 positioned at filter core pacify
Fill as vertical sealing structure between 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 mounting hole inwall 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 improve this as secondary seal structure
The sealing property of invention filter core joint and orifice plate in-plane, strengthens the overall tightness of the present invention.
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 structure of the present invention is simpler, reduces
Manufacturing cost, on the other hand, entirety is linked as by plane sealing structure and vertical sealing structure, further increases the close of the present invention
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.The structural stability of the present invention is which thereby enhanced, further
Improve the sealing property of the present invention.
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 installed for vertical sealing structure clamping is additionally provided with the filter core joint.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 the present invention
Sealing property.
Further, the filter core is the structure of filter bag that flexible, porous metal film is constituted.Further, the filter core is soft
Property the structure of filter bag that constitutes of porous metal film, the vertical sealing structure can be resistant to 150 DEG C -280 DEG C of temperature for Sexual behavior mode
Thermal expansion seal.
Further, the thermal expansion seal is the seal that fluorubber material is constituted.The bullet that fluorubber material is constituted
Property body can well realize under above-mentioned high temperature extruding force is produced by volumetric expansion filter core outer wall and filter core mounting hole inwall
It can be seen that, the present invention is also not in the situation of seal failure, thermal expansion seal under the conditions of high-temperature dust removal
Can be even closer with filter core and orifice plate extruding under the high temperature conditions, it is not necessary to extra again that the structure for applying thrust is set, make
The significant sealing affection for obtaining cartridge seal structure is improved, and sealing structure is simplified.The present invention is mainly suitable for high temperature, high-precision gas
In the technical field of body dedusting, the high temperature fume dust removal being particularly suitable for use at 150 DEG C -280 DEG C.
The present invention is described further with reference to the accompanying drawings and detailed description.The additional aspect of the present invention and excellent
Point will be set forth in part in the description, and partly will become apparent from the description below, or pass through the practice of the present invention
Solve.
Brief description of the drawings
Constitute the part of the present invention accompanying drawing be used for aiding in content provided in the understanding of the present invention, accompanying drawing and its
Explanation relevant in the present invention can be used for explaining the present invention, but not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is that a kind of mounting structure of sealing structure between filter core and orifice plate in the specific embodiment of the invention shows
It is intended to.
Fig. 2 is the mplifying structure schematic diagram of I parts in Fig. 1.
Fig. 3 is a kind of structural representation for the sealing structure being used between filter core and orifice plate in the specific embodiment of the invention
Figure.
Fig. 4 is the structural representation of filter core joint in the specific embodiment of the invention.
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 present invention below in conjunction with the accompanying drawings.Those of ordinary skill in the art are based on these
It is possible to realize the present invention in the case of explanation.Before with reference to accompanying drawing, the present invention will be described, it is necessary to it is emphasized that：
In the technical scheme and technical characteristic provided in each several part including the description below in the present invention, do not rushing
In the case of prominent, these technical schemes and technical characteristic can be mutually combined.
The embodiments of the invention being related in the description below are generally only the embodiment of a branch of the invention, rather than entirely
The embodiment in portion.Therefore, based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work
Under the premise of the every other embodiment that is obtained, should all belong to the scope of protection of the invention.
On the explanation to term in the present invention.Art in description and claims of this specification and relevant part
Language term " comprising " and " having " and their any deformation, it is intended that covering is non-exclusive to be included.Term " is disconnected
End " is vertical sealing structure and plane for the plane sealing structure and the vertical sealing structure are connected as a single entity
The connected one end of 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 present invention is used between filter core and orifice plate, it is included when filter core 4 and the filter core mounting hole on orifice plate 1
11 are adapted the rear thermal expansion seal being placed between the outer wall of filter core 4 and filter core mounting hole inwall 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 be located at filter core mounting hole
As vertical sealing structure 31 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 installed for the clamping of vertical sealing structure 31 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 constituted.
The thermal expansion seal is the seal that fluorubber material is constituted.
Exemplified by application of the present invention in the filter bag mounting structure that flexible, porous metal film is constituted, to the present invention
It is described further, the dedusting temperature of present embodiment is 250 DEG C, is filtered for high-temperature flue gas.Fig. 1 is the present invention
A kind of mounting structure schematic diagram for the sealing structure being used between filter core and orifice plate in the specific embodiment of the invention.Fig. 4 is this
The structural representation of filter core joint in invention embodiment.As shown in Figure 1 and Figure 4, being used in present embodiment
The mounting structure of sealing structure between filter core and orifice plate includes horizontally disposed orifice plate 1, and the orifice plate 1 is generally disposed at gas mistake
It is used to filter core is installed in filter device, orifice plate 1 is provided with the filter core mounting hole 11 for being used for installing filter core, in addition to from filter core mounting hole
The 11 hollow tubular filter core joints 2 being inserted in, the filter core joint 2 includes the cylinder-like structure 25 and and cylinder-like structure of bottom
The connected convex shoulder structure 24 in 25 upper ends.It is suspended on after the insertion filter core of filter core joint 2 mounting hole 11 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 using welding or being bonded, herein not
Repeat.The cartridge seal structure 3 being used between filter core joint 2 and orifice plate 1 provided with the present invention between filter core and orifice plate is (following
Referred to as cartridge seal structure 3).Wherein described cartridge seal structure 3 is the elastic construction that fluorubber material is constituted, elasticity knot
Structure is thermal expansion seal.The flexible, porous metal foil average pore size is 0.05-50 μm, and porosity is 15-70%, and thickness is
5-1500μm.Suitable aperture is selected according to actual use demand, flexible, porous metal foil can be with above-mentioned average pore size scope
Efficiently intercept in air；The outer cylinder body filtration flux that flexible, porous metal foil is constituted under above-mentioned porosity ranges is maximum；
In above-mentioned thickness range, flexible, porous metal foil pliability is good, and filter bag shape can be made in foldable.Filter core joint 2 is according to specific
The situation of filter core 4 can be the self structure of filter core 4, or the joint design individually connected, in this embodiment
Filter core joint 2 is the joint design individually connected.
Fig. 2 is the mplifying structure schematic diagram of I parts in Fig. 1.Fig. 3 is used for filter core to be a kind of in the specific embodiment of the invention
The structural representation of sealing structure between orifice plate.As shown in Figure 2 and Figure 3, above-mentioned cartridge seal structure 3 includes being arranged at filter
Vertical sealing structure 31 between the cylinder-like structure outer wall 22 and filter core mounting hole inwall 14 of core joint 2, it is arranged at filter core and connects
Under plane sealing structure 32 between first 2 convex shoulder structure lower surface and the upper surface 12 of orifice plate 1, the vertical sealing structure 31
Projection 33 is extended in the lower surface 13 that orifice plate 1 is close in end periphery, and the projection 33 is collectively formed with the plane sealing structure 32
Clamp the clamp structure of orifice plate 1.Above-mentioned vertical sealing structure 31, plane sealing structure 32 and the projection collectively form one
Tubular structure of the individual centre provided with passage 34 is overall, as described cartridge seal structure 3.Wherein projection 33 is that outer surface is inclination
The inverted cone-shaped structure in face.As shown in Figure 2 and Figure 4, a circle Step-edge Junction is extended in the lower end of cylinder-like structure 25 of the filter core joint 2
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, it is 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 to set so that the significant sealing affection of cartridge seal structure is improved, sealing structure is simplified.It is of the invention main applicable
In high temperature, the technical field of high-precision gas dedusting, the high temperature fume dust removal being 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 mounting hole inwall (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
Loaded on one end on filter core mounting hole (11) be filter core joint (2), 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 be located at filter core mounting hole in
As vertical sealing structure (31) 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 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) installed for vertical sealing structure (31) clamping 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 constituted.
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 constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710214379.XA CN107051027A (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 |
|---|---|---|---|
| CN201710214379.XA CN107051027A (en) | 2017-04-01 | 2017-04-01 | For the sealing structure between filter core and orifice plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107051027A true CN107051027A (en) | 2017-08-18 |
Family
ID=59601472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710214379.XA Withdrawn CN107051027A (en) | 2017-04-01 | 2017-04-01 | For the sealing structure between filter core and orifice plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107051027A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032303A (en) * | 2020-08-11 | 2020-12-04 | 国电青山热电有限公司 | Coal pulverizer lower frame body seal structure |
-
2017
- 2017-04-01 CN CN201710214379.XA patent/CN107051027A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032303A (en) * | 2020-08-11 | 2020-12-04 | 国电青山热电有限公司 | Coal pulverizer lower frame body seal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170818 |
|
| WW01 | Invention patent application withdrawn after publication |