CN109772063A - Foldable filter element - Google Patents
Foldable filter element Download PDFInfo
- Publication number
- CN109772063A CN109772063A CN201910152875.6A CN201910152875A CN109772063A CN 109772063 A CN109772063 A CN 109772063A CN 201910152875 A CN201910152875 A CN 201910152875A CN 109772063 A CN109772063 A CN 109772063A
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- Prior art keywords
- filter membrane
- support
- mentioned
- tubular
- support bar
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Abstract
The invention belongs to dust pelletizing system field, specifically foldable filter element, including filter membrane, section is the foldable structure of waveform；Bracket is used to support filter membrane；Bracket is limited and is formed to the waveform groove of filter membrane by the support bar being set on filter membrane in waveform groove, and support bar is arranged in waveform groove, intensity of the filter core under blowback operating condition can be not only increased；I.e. gas is from inside and outside to when blowing, filter core bears outside active force, and entire filter core is divided into fritter one by one by support bar, to promote the structural strength of the resistance to blowback of filter core；And by the way that above-mentioned support bar is arranged, to the position-limiting action that also plays of waveform groove, i.e., after support bar is arranged in waveform groove, i.e., the waveform groove is limited, prevents the filter core of foldable structure from can easily occur to stretch or shrink；Here support bar also acts the styling to waveform groove, i.e., after being adjusted to the section of support bar, can limit the cross sectional shape of waveform groove.
Description
Technical field
The invention belongs to dust pelletizing system fields, specifically foldable filter element.
Background technique
Now there are two classes using more extensive filter core in dedusting field at present:
One, mainly its filter material is fabricated to filter bag, filter bag is generally circular in cross section, one end using cloth as the pocket type filter core of representative
It closes open at one end；In bag the dedicated frame of adapted carry out using.Frame generally uses cage, by several longitudinal round metals
Item, circumferential metal ring and the buckle of opening and the back cover of bottom are welded, and frame is generally placed in bag, main to play branch
Support the effect of cloth bag.
Two, unique wave sintered plate filtration core has been used to replace conventional cloth bag will not since sintered plate is rigid structure
Deformation, and exoskeletal abrasion, so long service life, under some working conditions, its service life be 10 times of cloth bag with
On.Space occupied is small: taking up space for sinter-plate precipitator is only the 1/3-1/6 of bag filter, and can be superimposed design
Reduce occupied area.
Summary of the invention
The purpose of the present invention is to provide a kind of better foldable filter elements of performance.
To achieve the goals above, as present invention employs a kind of foldable filter elements, comprising:
Filter membrane, section are the foldable structure of waveform；
Bracket is used to support filter membrane；
Above-mentioned bracket is limited and is formed to the waveform groove of filter membrane by the support bar being set on filter membrane in waveform groove.
Support bar is arranged in waveform groove (or to roll over slot) in this way, can not only increase filter core under blowback operating condition
Intensity；I.e. gas is from inside and outside to when blowing, filter core bears outside active force, and entire filter core is divided into one by one by support bar
Fritter, to promote the structural strength of the resistance to blowback of filter core；And by the way that above-mentioned support bar is arranged, waveform groove is also played
The waveform groove is limited that is, after support bar is arranged in waveform groove, prevents the filter core meeting of foldable structure by position-limiting action
Stretching, extension easily occurs or shrinks；Here support bar also acts the styling to waveform groove, i.e., to the section of support bar
After being adjusted, the cross sectional shape of waveform groove can be limited, prevent the contraction distortion of waveform groove.
Further, the section of above-mentioned support bar is in the V-shaped face or U-shaped face being adapted to waveform groove.By the way that V word is arranged
Shape face or U-shaped face are preferably adapted to waveform groove.
Further, above-mentioned bracket includes the support arm for being used to support support bar and filter membrane.
Further, above-mentioned support arm includes:
Outline border；
Inner panel, both ends are separately positioned on the opposite inside of outline border；
Wherein, above-mentioned support bar extending direction intersects with inner panel extending direction, makes inner panel and support strip reticular structure.
Further, above-mentioned outline border includes:
Top cover, for being arranged in filter membrane upper end；
Side plate is set to top cover both ends, for being arranged in filter membrane two sides；
Bottom cover forms frame structure with top cover, side plate, for being arranged in filter membrane bottom end；
Above-mentioned inner panel crossbearer is between side plate.
Result in formation of a frame structures to filter core secure support.
Further, above-mentioned top cover, bottom cover and side plate detachable connection；
Above-mentioned side plate and inner panel detachable connection, with easy disassembly.
Further, above-mentioned bracket further includes inner support, which includes the blend stop connecting with support bar, the blend stop
It is connect with support arm, reliably to be supported to support bar.
Further, above-mentioned blend stop is located at the outside of above-mentioned foldable filter element, to limit to the foldable filter element.
Further, the one side of above-mentioned side plate or the one side of bottom cover are provided with the strip extended to filter membrane direction,
There is gap at the strip and side plate edge；Alternatively, the one side of above-mentioned bottom cover is provided with the strip extended to filter membrane direction, the card
There is gap at item and bottom cover edge.
Here one operation of strip is to play position-limiting action to filter core two sides, it can be ensured that rack bore meets design ruler
It is very little；Another operation is to fold base under filtration condition to filter core two sides and play a supporting role, avoid being bonded or welded intensity not
It is enough, cause filter membrane inwardly to collapse, so as to cause filter core failure.
Further, above-mentioned filter membrane is welded or is bonded on bracket, bonding here uses sealant.
The present invention also provides a kind of filter membrane structures, comprising:
Filter membrane, section are the foldable structure of waveform；Wherein
It has been sticked on above-mentioned filter membrane for filter membrane sizing and the foldable formed fixing belt together with filter membrane.
By setting should together with filter membrane foldable formed fixing belt, filter film strength is improved, compared to passing through outrigger
The mode of bracket, foldable formed fixing belt, the structure of filter membrane composition together with filter membrane here play more reliable to filter membrane
Styling, while being not take up redundant space, while also playing the protective effect to filter membrane side.
Further, the extending direction of above-mentioned fixing belt intersects with the extending direction of the waveform groove of filter membrane, in this way to filter
The waveform groove of film plays the role of limit and sizing.
Further, the number of above-mentioned fixing belt is at least two, the extension of at least two fixing belts along waveform groove
Direction arrangement.
Further, above-mentioned fixing belt is pasted on the one side of filter membrane, the one side that filter membrane is arranged in can be to filter
Film plays support, styling, reduces the use of occupied space and consumptive material.
Further, filter membrane structure further includes the inner support for fixing the filter membrane；Above-mentioned inner support includes blend stop, should
Blend stop side is provided with support bar, which is embedded in the waveform groove of filter membrane, wherein fixing belt is located towards support bar
Filter membrane side.
By the setting of fixing belt, abrasion of the support bar to filter membrane in the case where there is support bar is reduced.
Further, the extending direction of above-mentioned support bar intersects with the extending direction of blend stop.
Further, above-mentioned support bar number is at least two and arranges along the extending direction of blend stop.
Further, the section of above-mentioned support bar is in the V-shaped face or U-shaped face being adapted to waveform groove.
Further, the angle between the two sides of above-mentioned support bar is 5~120 °.
Further, above-mentioned support bar is towards between one side in waveform groove and waveform groove slot bottom, there are gaps, to keep away
Exempt from contact of the support bar bottom to filter membrane or fixing belt, reduces because of contact bring abrasion.
The present invention also provides a kind of filter holders, including support arm；
Above-mentioned support arm includes:
Top cover, for being arranged in filter membrane upper end；
Side plate is set to top cover both ends and connect with top cover, and the side plate is for being arranged in filter membrane two sides；
Bottom cover, both ends are connect with two sides side plate respectively, frame structure are formed with top cover, side plate, for being arranged at filter membrane bottom
End；
Inner panel is connected between two opposite side plates, above-mentioned inner panel arranges along side plate extending direction and between adjacent inner panel
There are gaps.
By the way that above-mentioned structure is arranged, so that support arm is formed one and provide the frame structure of secure support to filter membrane, pass through
The setting of inner panel can be respectively mounted filter membrane in inner panel two sides, form the filter core for possessing two sides filter membrane, the failure of a filter membrane
Need not more preferably entire filter core, failure filter membrane is repaired, is replaced, structure is simple, easy to maintain.
Further, the two sides of above-mentioned side plate form frid structure to a lateral flange of setting filter membrane.
Further, the side of above-mentioned side plate is provided with side plate strip, extending direction of the above-mentioned side plate strip along side plate
Extend.
Further, the two sides of above-mentioned bottom cover form frid structure to a lateral flange of setting filter membrane.
Further, the side of above-mentioned bottom cover is provided with bottom cover strip, extending direction of the above-mentioned bottom cover strip along side plate
Extend.
Further, an above-mentioned inner panel includes two baffles, spaced partition is clamped between two baffles.
Further, the two sides of above-mentioned top cover form frid structure to a lateral flange of setting filter membrane, the top cover
Slot bottom is provided with through-hole.Here through-hole is used to receive blowback air or excludes net gas.
Further, above-mentioned top cover is provided with sealing element away from the side of filter membrane, to facilitate subsequent installation for branch
It supports on the card of filter core to realize sealing.
Further, the side of above-mentioned top cover towards filter membrane is provided with filter membrane closeouts；Above-mentioned filter membrane closeouts include
Closure part, the interconnecting piece for being connected on top cover or/and side plate, above-mentioned closure part and interconnecting piece form folded structure；It is above-mentioned
Closure part arrangement is with teeth, which is used for corresponding with the waveform groove of filter membrane is folded.
It may be implemented the closure of the outside part of folding slot using the filter membrane closeouts of the structure, the inside part of folding slot can be from
Bottom end is connected to end face, and filter core intracavity section product can be improved, reduce inner cavity wind speed, to reduce to membrane material and other structural members
Abrasion.
Further, above-mentioned side plate is provided with handle away from the side of filter membrane, to facilitate the dismounting to entire filter core.
The present invention also provides a kind of tubular elements, including tubular filter membrane and the bracket for being used to support the tubular filter membrane；
Above-mentioned tubular filter membrane is folding tubular filter membrane made of being folded with the board-like filter membrane two sides docking of a plurality of folding slot；
Above-mentioned bracket includes the ring gear for being arranged on the tubular filter membrane and being adapted to the folding slot of the tubular filter membrane.
By the way that ring gear is arranged, not only tubular filter membrane is carried out shaping, the positioning of doubling slot, while also functioning to raising filter membrane strength
Effect.
Further, above-mentioned ring gear is sleeved on the outside of the tubular filter membrane, with teeth, the tooth and cylinder is arranged in the inside of the ring gear
The folding slot of shape filter membrane is adapted to.
Further, above-mentioned bracket includes being caught in the inner ring for being used to support tubular filter membrane on the inside of the tubular filter membrane.
Further, the outside setting of above-mentioned inner ring is with teeth, which is adapted to the folding slot of tubular filter membrane.
Further, above-mentioned bracket includes the inner ring on the inside of tubular filter membrane and the tooth on the outside of tubular filter membrane
Ring.
Further, above-mentioned bracket include inner support on the inside of the tubular filter membrane, it is outer on the outside of tubular filter membrane
The connector of support and the end for tubular filter membrane to be arranged in, above-mentioned inner support are connect by connector with outer support.
Further, above-mentioned inner support includes:
Inner ring is arranged on the inside of tubular filter membrane, is used to support the tubular filter membrane；
Interior dowel is set on the inside of inner ring, and above-mentioned inner ring is connect by interior dowel with connector.
Further, the number that above-mentioned inner support includes: above-mentioned interior dowel is at least two and along tubular filter membrane
Side ring connects inner ring to arrangement, one end jointing of interior dowel, the other end or middle section.
Further, above-mentioned outer support includes:
Ring gear is arranged on the outside of tubular filter membrane, and the tooth on the inside of the ring gear is adapted to the folding slot of tubular filter membrane, for tubular
Filter membrane sizing；
Outer dowel is set on the inside of ring gear, and above-mentioned ring gear is connect by outer dowel with connector.
Further, the number of above-mentioned outer dowel is at least two and the circumferential arrangement on the outside of tubular filter membrane, interior company
Connect one end jointing of muscle, the middle section connection ring gear of the other end of interior dowel or interior dowel.
The present invention also provides another filter core brackets, are used to support tubular filter membrane, comprising:
Inner support, for being arranged on the inside of tubular filter membrane；
Outer support, for being arranged on the outside of tubular filter membrane；Wherein
Above-mentioned inner support is connect with outer support, and the formation between inner support and outer support is for loading the chamber of tubular filter membrane
Body；
Above-mentioned inner support is provided with the inner ring for being used to support tubular filter membrane, and outer support, which is provided with, to be sleeved on outside tubular filter membrane
Ring gear.
It is that inner support, outer support form one for can be into tubular filter membrane by the way that above-mentioned inner ring, ring gear is arranged
Row effectively support, at the same play the role of conveniently, ingenious tubular filter membrane limited and is formed.
Further, above-mentioned ring gear is wave-shaped ring, the wave crest or trough heave direction of the ring gear are the radial direction of the ring gear
Direction, the wave crest are the tooth of the ring gear.
Further, above-mentioned inner ring is metal or polytetrafluoroethylene (PTFE) ring-type component.
Further, above-mentioned inner support is connect by the connector for tubular filter membrane end to be arranged in outer support；On
Stating connector is disk-like structure.
Further, above-mentioned connector includes end-fitting and center contact, end-fitting and center contact are respectively used to
Setting is arranged on a filter membrane unit in tubular filter membrane both ends, at least one center contact；Adjacent above-mentioned filter membrane unit passes through
Center contact connection.I.e. end-fitting, center contact, the other component of bracket and tubular filter membrane can form a filter membrane unit
(center contact can be all arranged with both ends in a filter membrane unit here), is divided into multi-segment structure for entire tubular element to facilitate.
Further, above-mentioned center contact includes annular slab, what which extended to form to connector two sides
Outer annular flanges, inner side edge on the annular slab is along extending to form inner annular flange to annular slab side；Above-mentioned outer annular flanges,
The annular housing formed between inner annular flange with the end of tubular filter membrane for being adapted to.
Further, filter core bracket further include for be arranged between two center contacts and with two center contacts
The positioning ring of connection, adjacent center contact are connected by positioning ring；On the above-mentioned annular slab other side, outer annular flanges, ring
Shape plate forms cavity and is adapted to positioning ring.By the way that positioning ring is arranged, positioning ring is embedded into outer annular flanges, annular slab forms chamber
In body, the docking of center contact can be more easier, i.e., positioning ring mainly assembles guiding role, avoids two center contact phases
The raw skew of running fire, while facilitating subsequent be bonded or welded.
Further, above-mentioned end-fitting includes big end connector, above-mentioned big end connector includes master, on above-mentioned master from
The setting at interior interval first annular flange and the second annular flange not of uniform size, first annular flange, the second convex annular are arrived outside
The annular housing formed between edge with the end of tubular filter membrane for being adapted to；There are one with master edge for above-mentioned first annular flange
Section distance；Through-hole is provided on the inside of second annular flange, on master.
Further, above-mentioned end-fitting includes the chassis for blocking tubular filter membrane end, above-mentioned chassis includes master
Disk, is arranged third annular flange on above-mentioned master upper edge, the lesser fourth annular flange of the setting size being spaced from outside to inside,
The annular housing formed between third annular flange, fourth annular flange with the end of tubular filter membrane for being adapted to.
Further, above-mentioned inner support includes interior dowel, which is set on the inside of inner ring, and above-mentioned inner ring is logical
Interior dowel is crossed to connect with outer support；Above-mentioned interior dowel is battened construction.
The present invention also provides a kind of tubular filter membrane structure, including tubular filter membrane, which is to be folded with a plurality of folding slot
Tubular structure made of board-like filter membrane two sides docking；Wherein, on docking location, a folding slot is close to the inner wall at edge and another
Above-mentioned docking is realized in inner wall connection of one folding slot close to edge.
By the way that such structure is arranged, above-mentioned tubular structure can be formed not having to other component, and be also in this way
The most adequately retain more filter areas on docking location.
Further, said one, which rolls over inner wall of the slot close to edge, rolls over slot close to the connection of the inner wall at edge with another
To be bonded or welded.
Further, tubular filter membrane structure further includes the ring gear being sleeved on the tubular filter membrane, above-mentioned ring gear is waveform
Circle, the wave crest or trough heave direction of the ring gear are the radial direction of the ring gear, which is the tooth of the ring gear；Above-mentioned tooth and filter
The folding slot of film is adapted to.
Further, above-mentioned ring gear is metal wave-shaped ring.
Further, above-mentioned metal wave-shaped ring is stainless steel wave-shaped ring.
Further, tubular filter membrane structure further includes outer dowel, above-mentioned outer dowel is along tubular filter membrane length direction
Extend and around the circumferential arrangement in tubular filter membrane periphery.
Further, above-mentioned outer dowel is fixedly connected with the ring gear being arranged on tubular filter membrane.
Further, above-mentioned be fixedly connected as being bonded or welded.
Further, tubular filter membrane structure further includes inner support, above-mentioned inner support includes for being arranged in tubular filter membrane
Inside simultaneously provides the inner ring of support, contradicts on the outside of the inner ring on the inside of tubular filter membrane.
Further, welding or being bonded with interior dowel, above-mentioned interior dowel, above-mentioned interior dowel on the inside of above-mentioned inner ring
It is fixedly connected with the outer support for being located at tubular filter membrane periphery.
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 partially will become apparent from the description below.Or practice through the invention
It solves.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to assist the understanding of the present invention, content provided in attached drawing and its
Related explanation can be used for explaining the present invention in the present invention, but not constitute an undue limitation on the present invention.In the accompanying drawings:
Fig. 1 is for illustrating foldable filter element schematic diagram in embodiment；
Fig. 2 is A-A cross-sectional view in Fig. 1；
Fig. 3 is the enlarged diagram in Fig. 2 at C；
Fig. 4 is B-B cross-sectional view in Fig. 1；
Fig. 5 is the schematic side view for foldable filter element in explanatory diagram 1；
Fig. 6 is the schematic top plan view for foldable filter element in explanatory diagram 1；
Fig. 7 is the schematic diagram for illustrating the inner support of foldable filter element in embodiment；
Fig. 8 is the schematic diagram for illustrating the support bar of foldable filter element in embodiment；
Fig. 9 is the schematic diagram for illustrating the support arm of foldable filter element in embodiment；
Figure 10 is the schematic diagram for illustrating the top cover of foldable filter element in embodiment；
Figure 11 is the schematic side view for illustrating the side plate of foldable filter element in embodiment；
Figure 12 is the schematic top plan view for illustrating the side plate of foldable filter element in embodiment；
Figure 13 is the schematic top plan view for illustrating the bottom cover of foldable filter element in embodiment；
Figure 14 is the schematic side view for illustrating the bottom cover of foldable filter element in embodiment；
Figure 15 is the schematic diagram for illustrating the inner panel of foldable filter element in embodiment；
Figure 16 is the schematic diagram for illustrating the filter membrane closeouts of foldable filter element in embodiment；
Figure 17 is the schematic side view for illustrating filter membrane closeouts in embodiment；
Figure 18 is the schematic diagram for illustrating tubular element in embodiment；
Figure 19 is the schematic diagram for illustrating the inner support of tubular element in embodiment；
Figure 20 is the schematic diagram for illustrating the outer support of tubular element in embodiment；
Figure 21 is the outer support schematic cross-section for illustrating tubular element in embodiment；
Figure 22 is the schematic diagram for illustrating the big end connector of tubular element in embodiment；
Figure 23 is the big end contact cross-section schematic diagram for illustrating tubular element in embodiment；
Figure 24 is the schematic diagram for illustrating the center contact of tubular element in embodiment；
Figure 25 is the center contact schematic cross-section for illustrating tubular element in embodiment；
Figure 26 is the chassis schematic diagram for illustrating tubular element in embodiment；
Figure 27 is the chassis schematic cross-section for illustrating tubular element in embodiment；
Figure 28 is for illustrating the center contact of tubular element and positioning ring connection schematic diagram in embodiment；
Figure 29 is the toothed inner ring of tubular element for illustrating another embodiment in embodiment；
Figure 30 can be used when being for illustrating the tubular element of another embodiment in embodiment using toothed inner ring
Outer ring；
In the figure, it is marked as dowel in 1- tubular filter membrane, 2- inner support, 2a- inner ring, 2b-, 3- outer support, 3a- ring gear,
The outer dowel of 3b-, 4- connector, the big end connector of 41-, the first annular flange of 41a-, the second annular flange of 41b-, 42- center contact,
42a- annular slab, 42b- outer annular flanges, 42c- inner annular flange, the chassis 43-, 43a- third annular flange, the Fourth Ring 43b-
Shape flange, 5- positioning ring, 6a- outer ring, 6b- outer ring dowel, 100- fold filter membrane, 101- waveform groove, 200- inner support, 201-
Support bar, 202- blend stop, 300- support arm, 310- outline border, 311- top cover, 312- side plate, 313- bottom cover, 320- inner panel, 321-
Baffle, 322- partition, 410- side plate strip, 420- bottom cover strip, 500- fixing belt, 600- sealing element, 700- filter membrane closeouts,
The closure part 710-, 720- interconnecting piece.
Specific embodiment
Clear, complete explanation is carried out to the present invention with reference to the accompanying drawing.Those of ordinary skill in the art are being based on these
The present invention will be realized in the case where explanation.Before in conjunction with attached drawing, the present invention will be described, of particular note is that:
The technical solution provided in each section including following the description and technical characteristic in the present invention are not rushing
In the case where prominent, these technical solutions and technical characteristic be can be combined with each other.
In addition, the embodiment of the present invention being related in following the description is generally only the embodiment of a branch of the invention, and
The embodiment being not all of.Therefore, based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness
Every other embodiment obtained, should fall within the scope of the present invention under the premise of labour.
About term in the present invention and unit.Term in description and claims of this specification and related part
" comprising " and its any deformation, it is intended that cover and non-exclusive include.
Such as Fig. 1~17, present embodiment will illustrate that a kind of collection air flux is big, filter area is big, lower resistance completely new filter core
Structure；
This foldable filter element is mainly made of bracket, filter membrane (flexible metal film)；Filter membrane first passes through folding, is then placed in branch
Frame is sealed against by welding procedures such as high temperature bonding glue or solderings, and forming one has closed board-like filter open at one end
Core.
Filter membrane in the present embodiment, using flexible metal film, which has certain flexibility and intensity (flexible metal
Film refers to that the applicant is right using certain metal or intermetallic compound material as filter material, with the membrane material of certain flexibility
The not excessively multinomial patent of application of materials), cutting rectangularity is carried out in advance, according to operating condition or can be folded into different wave, is made
It is made and folds filter membrane 100.
Bracket plays the role of support and folds filter membrane 100 and installation sealing.Material can be selected general according to working condition
Carbon steel or the strong metal material of corrosion resistance.
Here the cleaner design of foldable filter element has installation orifice plate；In use process, by foldable filter element from mounting hole
Plate is packed into cleaner, is then sealed fixation in installation orifice plate.
Bracket carries out the waveform groove 101 of filter membrane by the support bar 201 being set in waveform groove 101 on filter membrane (folding slot)
Limit and sizing, the section of support bar 201 is in the V-shaped face or U-shaped face being adapted to waveform groove 101 here.
According to project needs, individual foldable filter membrane can also be by the filter membrane of multiple different breadth by being connected and fixed band 500
(stainless steel band) is folded again after being spliced by seam welder.
Bracket includes the support arm 300 for being used to support support bar 201 and folding filter membrane 1.Support arm 300 includes outline border 310
With inner panel 320；320 both ends of inner panel are separately positioned on the opposite inside of outline border 310；Wherein, above-mentioned 201 extending direction of support bar with
The intersection of 320 extending direction of inner panel.
Above-mentioned outline border 310 includes top cover 311, side plate 312 and bottom cover 313；Top cover 311 is for being arranged in filter membrane upper end, side
Plate 312 is set to 311 both ends of top cover, for being arranged in filter membrane two sides；Bottom cover 313 and top cover 311, side plate 312 form frame knot
Structure, for being arranged in filter membrane bottom end.Above-mentioned 320 crossbearer of inner panel is between side plate 312.Here top cover 311, bottom cover 313 and side
312 detachable connection of plate；Side plate 312 and 320 detachable connection of inner panel.I.e. here bracket ensures filter element filtering and blowback
Structural strength is formed by multiple components weldings, can need to be fabricated to be differently formed according to project.Filter membrane welding above-mentioned or bonding
On bracket.
Above-mentioned bracket further includes inner support 200, which includes the blend stop 202 connecting with support bar 201, the gear
Item 202 is connect with support arm 300.Blend stop 202 is located at the outside of aforementioned foldable filter element 1.
The one side of above-mentioned side plate 312 or the one side of bottom cover 313 are provided with the strip extended to filter membrane direction, the strip
There is gap with 312 edge of side plate；Alternatively, the one side of above-mentioned bottom cover 313 is provided with the strip extended to filter membrane direction, the card
There is gap at item and 313 edge of bottom cover.
A kind of filter membrane structure, including filter membrane are used in this embodiment party, section is the foldable structure of waveform to be formed
The multiple row waveform groove 101 of even arrangement；Wherein sticked on filter membrane for filter membrane be formed and together with filter membrane it is foldable formed solid
Determine band 500, fixing belt 500 here can be stainless steel band.
The extending direction of fixing belt 500 intersects with the extending direction of the waveform groove 101 of filter membrane, preferably uses vertical side
Formula intersection.The number of fixing belt 500 is at least two, and at least two fixing belts 500 are arranged along the extending direction of waveform groove 101
Column.Here fixing belt 500 is pasted on the one side of filter membrane.
Filter membrane structure can also include the inner support 200 for fixing the filter membrane；Above-mentioned inner support 200 includes blend stop 202,
202 side of blend stop is provided with support bar 201, which is embedded in the waveform groove 101 of filter membrane.Above-mentioned support bar 201
Extending direction intersect with the extending direction of blend stop 202, certainly, here it is also preferred that intersected by the way of vertical.State support
201 numbers of item are at least two and arrange along the extending direction of blend stop 202.The section of support bar 201 is in be adapted to waveform groove 101
V-shaped face or U-shaped face.Section is between the two sides of the support bar 201 in the V-shaped face or U-shaped face that are adapted to waveform groove 101
Angle be 5~120 °.It can ensure to play under the angle and fold the big feature of 100 filter area of filter membrane, it can also be preferable
The consolidation for preventing powder.Above-mentioned support bar 201 towards between 101 slot bottom of one side in waveform groove 101 and waveform groove there are
Gap is reduced because of contact bring abrasion.
The present invention also provides a kind of filter holders, including support arm 300；
Above-mentioned support arm 300 includes top cover 311, side plate 312, bottom cover 313；Top cover 311 is for being arranged in filter membrane upper end；Side
Plate 312 is set to 311 both ends of top cover and connect with top cover 311, and the side plate 312 is for being arranged in filter membrane two sides；313 both ends of bottom cover
It is connect respectively with two sides side plate 312, frame structure is formed with top cover 311, side plate 312, for being arranged in filter membrane bottom end；Opposite
Be connected with inner panel 320 between two side plates 312, above-mentioned inner panel 320 arranged along 312 extending direction of side plate and adjacent inner panel 320 it
Between there are gaps.
It allows support arm 300 to form one in this way and provides the frame structure of secure support to filter membrane, pass through setting for inner panel 320
It sets, filter membrane can be respectively mounted in 320 two sides of inner panel, form the filter core for possessing two sides filter membrane, the failure of a filter membrane need not
More preferable entire filter core repairs failure filter membrane, replaces, and structure is simple, easy to maintain.
The two sides of above-mentioned side plate 312 form frid structure to a lateral flange of setting filter membrane.The side of side plate 312 is arranged
There is side plate strip 410, above-mentioned side plate strip 410 extends along the extending direction of side plate 312.
The two sides of above-mentioned bottom cover 313 form frid structure to a lateral flange of setting filter membrane.The side of bottom cover 313 is arranged
There is bottom cover strip 420, above-mentioned bottom cover strip 420 extends along the extending direction of side plate 312.
One above-mentioned inner panel 320 includes two baffles 321, is clamped with spaced partition between two baffles 321
322.The purpose designed in this way is the sectional area for promoting filter core intracavity space as far as possible, reduces inner cavity wind speed, thus reduction pair
The abrasion of filter membrane and other structural members.
The two sides of above-mentioned top cover 311 form frid structure to a lateral flange of setting filter membrane, and the slot bottom of the top cover 311 is opened
There is through-hole.Here through-hole is used to receive blowback air or excludes net gas.Top cover 311 is provided with sealing element away from the side of filter membrane
600, to facilitate subsequent installation on the card for be used to support filter core to realize sealing.
The side of above-mentioned top cover 311 towards filter membrane is provided with filter membrane closeouts 700；Above-mentioned filter membrane closeouts 700 include envelope
Stifled portion 710, the interconnecting piece 720 for being connected on top cover 311 or/and side plate 312,720 shape of above-mentioned closure part 710 and interconnecting piece
At folded structure；Above-mentioned closure part 710 arrange it is with teeth, the tooth be used for fold the waveform groove 101 of filter membrane 100 it is corresponding.
The closure of the outside part of folding slot, the inside part of folding slot may be implemented using the filter membrane closeouts 700 of the structure
It can be connected to end face from bottom end, filter core intracavity section product can be improved, reduce inner cavity wind speed, to reduce to membrane material and other knots
The abrasion of component.
Side plate 312 is provided with handle away from the side of filter membrane, to facilitate the dismounting to entire filter core.
It can follow these steps to carry out in actual installation:
1) filter membrane (flexible metal film) is folded into and needs waveform, formed and fold filter membrane 100:
2) on demand, each component of inner support 200 is connected firmly by the modes such as welding or riveting；
3) it then will fold filter membrane 100 and be fit into inner support 200, then each component of support arm 300 is installed；
4) finally by modes such as the encapsulating of high temperature bonding glue or solderings, plate filter element is formed；
5) it after this foldable filter element is completed, can be installed and used in the way of existing sintered plate or cloth bag filter core.
For this foldable filter element compared to existing filter core in industry, filter core Applicable temperature range of the present invention is wide, is using flexible metal
When film is as filter membrane, it can be used for 450 DEG C and following high-precision filtration, using flexible metal membrane material, before guaranteeing some strength
It puts, this foldable filter element has certain flexibility, can realize that slight elasticity is shaken in blowback, improve ash-removal effect, be conducive to filter
Core keeps big flux and lower drag for a long time.The single-piece filter core membrane area of this foldable filter element is big, saves deduster space, can drop
Low equipment investment.
Such as Figure 18~28, two sides dock to form a kind of new tubular filter membrane after being folded in present embodiment with filter membrane,
A kind of new tubular element is formed with specially designed bracket support tubular filter membrane, is that a kind of collection air flux is big, filter area is big,
The completely new filter cartridge construction that the resistance that gas flowing is subject to is small, makes gas flowing wind speed high.
Tubular element includes tubular filter membrane 1 and the bracket for being used to support the tubular filter membrane 1；Tubular filter membrane 1 is more to be folded with
Item rolls over folding tubular filter membrane made of the board-like filter membrane two sides docking of slot；Bracket include be arranged on the tubular filter membrane 1 and with
The ring gear 3a of the folding slot adaptation of the tubular filter membrane 1.Setting ring gear 3a is to carry out shaping tubular filter membrane 1, doubling slot positions, simultaneously
Also function to the effect for improving filter membrane strength.Above-mentioned ring gear 3a is sleeved on 1 outside of tubular filter membrane, is provided on the inside of ring gear 3a
Tooth, the tooth are adapted to the folding slot of tubular filter membrane 1.Here a kind of embodiment of ring gear is that the outside of tubular filter membrane 1 is arranged in, this
In mainly with by ring gear setting be illustrated on the outside of tubular filter membrane 1 for embodiment.
Above-mentioned bracket includes being caught in the inner ring 2a that tubular filter membrane 1 is used to support on the inside of the tubular filter membrane 1, by the way that inner ring is arranged
2a is supported tubular filter membrane 1 inside tubular filter membrane 1, and inner ring 2a strengthens tubular element in radial direction together with ring gear 3a
The intensity in direction.The outside setting of inner ring 2a is with teeth, which is adapted to the folding slot of tubular filter membrane 1, is made with improving positioning and sizing
With.Tubular filter membrane 1 is held between inner ring 2a and ring gear 3a, and inner ring 2a is corresponding with inside and outside ring gear 3a, so that tubular filter membrane 1
To the active force of balanced inside and outside clamping, the distortion of tubular filter membrane 1, deformation are prevented.
Bracket includes positioned at the inner support 2 of 1 inside of tubular filter membrane, positioned at the outer support 3 in 1 outside of tubular filter membrane and for setting
The connector 4 in the end of tubular filter membrane 1 is set, above-mentioned inner support 2 is connect by connector 4 with outer support 3.By outer support 3 and Nei Zhi
The junction setting of support 2 is in filter membrane tip position, and to make full use of the filtering surface of tubular filter membrane 1, guarantee has higher filtering to imitate
Rate.
Inner support 2 includes inner ring 2a and interior dowel 2b；Inner ring 2a, setting are used to support the cylinder in 1 inside of tubular filter membrane
Shape filter membrane 1；Interior dowel 2b is set on the inside of inner ring 2a, and above-mentioned inner ring 2a is connect by interior dowel 2b with connector 4.Pass through
The inner frame that above-mentioned inner ring 2a and interior dowel 2b forms tubular filter membrane 1 is set, tubular filter membrane 1 is provided effective, reliable
Support.
The number of above-mentioned interior dowel 2b is at least two and the circumferential arrangement on the inside of tubular filter membrane 1, interior dowel 2b's
One end jointing 4, the other end or middle section connect inner ring 2a.
Outer support 3 includes ring gear 3a and outer dowel 3b；Ring gear 3a, setting is on the inside of 1 outside of tubular filter membrane, ring gear 3a
Tooth be adapted to the folding slot of tubular filter membrane 1, for tubular filter membrane 1 be formed；Outer dowel 3b is set on the inside of ring gear 3a, on
Ring gear 3a is stated to connect by outer dowel 3b with connector 4.In this way to form outer skeleton, formed after being connect with above-mentioned inner support 2
One is limited in tubular filter membrane 1 in the cagelike structure of inside and outside 3 composition of support.
The number of outer dowel 3b is at least two and along the circumferential arrangement in 1 outside of tubular filter membrane, one end of interior dowel 2b
The middle section of jointing 4, the other end of interior dowel 2b or interior dowel 2b connect ring gear 3a.
The filter core bracket used in tubular element is used to support tubular filter membrane 1, including inner support 2 and outer support 3；Inner support
2, for being arranged in 1 inside of tubular filter membrane；Outer support 3, for being arranged in 1 outside of tubular filter membrane；Wherein inner support 2 and outer support
3 connections, the formation between inner support 2 and outer support 3 is for loading the cavity of tubular filter membrane 1；Inner support 2, which is provided with, to be used to support
The inner ring 2a of tubular filter membrane 1, outer support 3 are provided with the ring gear 3a being sleeved on outside tubular filter membrane 1.By the way that above-mentioned inner ring is arranged
2a, ring gear 3a are inner support 2, the formation of outer support 3 one for can effectively be supported to tubular filter membrane 1, are played simultaneously
Convenient, the ingenious effect that tubular filter membrane 1 is limited and is formed.Design has inside and outside support 3, it is ensured that filter element filtering and blowback
Structural strength.
Ring gear 3a is wave-shaped ring, and the wave crest or trough heave direction of ring gear 3a are the radial direction of ring gear 3a, the wave
Peak is the tooth of ring gear 3a.Inner ring 2a is that metal or polytetrafluoroethylene (PTFE) ring-type component, metal here can be iron, steel, copper etc..
Inner support 2 is connect by the connector 4 for 1 end of tubular filter membrane to be arranged in outer support 3；Above-mentioned connector 4 is disk
Shape structure.Connector 4 includes end-fitting and center contact 42, and end-fitting and center contact 42 are respectively used to setting and filter in tubular
1 both ends of film, at least one center contact 42 are arranged on a filter membrane unit；Adjacent above-mentioned filter membrane unit passes through center contact 42
Connection.The two or more filter membrane units that can be docked are set, maintains easily, repair and dismounts.In interior dowel 2b is set to
On the inside of ring 2a, above-mentioned inner ring 2a is connect by interior dowel 2b with outer support 3；Above-mentioned interior dowel 2b is battened construction.It will be interior
Dowel 2b is arranged on the inside of inner ring 2a, to prevent support of the interior dowel 2b interference inner ring 2a to tubular filter membrane 1.
Center contact 42 includes annular slab 42a, and the outer ring that annular slab 42a outer edge is extended to form to connector two sides is convex
Inner side edge edge on edge 42b, annular slab 42a extends to form inner annular flange 42c to the side annular slab 42a；Above-mentioned outer ring
The annular housing formed between flange 42b, inner annular flange 42c with the end of tubular filter membrane 1 for being adapted to.It is arranged above-mentioned outer
Annular flange 42b and inner annular flange 42c is to carry out the diameter of tubular filter membrane 1 true while tip position is realized and sealed
It is fixed, and tubular filter membrane 1 is positioned and is formed in tip position.
Filter core bracket further includes for being arranged between two center contacts 42 and connecting with two center contacts 42
Positioning ring 5, adjacent center contact 42 are connected by positioning ring 5；On the other side above-mentioned annular slab 42a, outer annular flanges
42b, annular slab 42a form cavity and are adapted to positioning ring 5.By the way that positioning ring 5 is arranged, positioning ring 5 is embedded into outer annular flanges
42b, annular slab 42a are formed in cavity, and the docking of center contact 42 can be more easier, i.e., positioning ring 5 is mainly assembled and led
It to effect, avoids two center contacts 42 from being connected and skew occurs, while facilitating subsequent be bonded or welded.
End-fitting includes big end connector 41, and above-mentioned big end connector 41 includes master, is spaced from outside to inside on above-mentioned master
Setting first annular flange 41a and the second annular flange 41b, first annular flange 41a, the second annular flange not of uniform size
The annular housing formed between 41b with the end of tubular filter membrane 1 for being adapted to；Above-mentioned first annular flange 41a and master edge
There are a distances；Through-hole is provided on the inside of second annular flange 41b, on master.Here that there are one end distances is whole to facilitate
A tubular element is mounted on the card for providing filter core support.
End-fitting includes the chassis 43 for blocking tubular filter membrane end, and above-mentioned chassis 43 includes master, above-mentioned master
Third annular flange 43a, the lesser fourth annular flange 43b of the setting size being spaced from outside to inside, third are set on upper edge
The annular housing formed between annular flange 43a, fourth annular flange 43b with the end of tubular filter membrane 1 for being adapted to.
It is employed herein a kind of tubular filter membrane structure, including tubular filter membrane 1, which is be folded with a plurality of folding slot board-like
Tubular structure made of the docking of filter membrane two sides；Wherein, on docking location, a folding slot is close to the inner wall at edge and another
It rolls over inner wall connection of the slot close to edge and realizes above-mentioned docking.By the way that such structure is arranged, can be formed without other component
Above-mentioned tubular structure, and be in this way also the most adequately to retain more filter areas on docking location.Particularly, it filters
Film first passes through folding, then forms pleated filter cartridge by welding or bonding；It is subsequent to be incited somebody to action again by high temperature bonding glue or welding procedure
It is fixed and is sealed in inside and outside support 3, and forming one has closed cylinder rugosity filter core open at one end.
Inner wall of one folding slot close to edge is bonded or welded with another folding slot close to the connection of the inner wall at edge.Cylinder
Shape filter membrane 1 further includes the ring gear 3a being sleeved on the tubular filter membrane 1, and above-mentioned ring gear 3a is wave-shaped ring, the wave crest of ring gear 3a or
Trough heave direction is the radial direction of ring gear 3a, which is the tooth of ring gear 3a；Above-mentioned tooth is adapted to the folding slot of filter membrane.
Above-mentioned metal wave-shaped ring is stainless steel wave-shaped ring, and the high temperature filtration is more suitably applied in using stainless steel material
In.
Tubular filter membrane structure further includes outer dowel 3b, and above-mentioned outer dowel 3b extends simultaneously along 1 length direction of tubular filter membrane
Around the circumferential arrangement in 1 periphery of tubular filter membrane.Outer dowel 3b is fixedly connected with the ring gear 3a being arranged on tubular filter membrane 1, this is fixed
It is connected as being bonded or welded.
Tubular filter membrane structure further includes inner support 2, and above-mentioned inner support 2 includes for being arranged in 1 inside of tubular filter membrane and mentioning
For the inner ring 2a of support, on the outside of inner ring 2a with contradicted on the inside of tubular filter membrane 1, make tubular filter membrane 1 by support from inside to outside
Power.Interior dowel 2b, above-mentioned interior dowel 2b and the outer support for being located at 1 periphery of tubular filter membrane are welded or are bonded on the inside of inner ring 2a
3 are fixedly connected.
Here tubular filter membrane 1 use also, it is preferred that using flexible metal film as filtering material.Tubular element is removed
The design of dirt equipment has installation orifice plate；In use process, filter core is packed into cleaner from installation orifice plate, then in installation orifice plate
It is sealed fixation.
In specific implementation, tubular element can make 6 meters or less sizes；It is carried out below by way of 2.5 meters of filter core embodiments
Explanation.
Tubular element may be designed as two-part, point upper and lower section.Cartridge seal mode: segmentation filter cylinder uses encapsulating or soldering
Etc. modes seal, two sections of connections are met different duty requirements using a variety of sealing means such as welding or flanges.
Tubular element assembling can follow these steps to carry out:
1) filter membrane is folded, is formed and fold filter membrane, the filter membrane folded is cut out by required broken number, filter membrane both ends are buckled
Conjunction forms tubular filter membrane 1 (fixing using spot welding), and seam weld seals at by connector 4, is respectively formed 1 meter and 1.5 meters of tubular filter membranes.
2) inner support 2 passes through screw group by 1 polytetrafluoroethylene (PTFE) inner ring (tooth can be arranged on the outside) and 3 interior dowel 2b
It fills, each component of inner support 2 and big end connector 41 is used into argon arc welding welding；
3) 1 meter of tubular filter membrane is inserted in inner support 2, then tubular filter membrane is inserted in transition joint, finally use argon arc welding will
Inner support 2 welds together with transition joint；
4) stainless steel band formation ring gear 3a, ring gear 3a and outer dowel 3b are folded to weld according to size, forms subdivided gap tooth
Ring；
5) ring gear 3a is sequentially clamped in folded membrane folding line, tubular filter membrane folding line is evenly distributed by ring gear 3a；
6) it repeats the above steps, makes another section of tubular element；
7) positioning ring 5 is put into the transition joint of a tubular element, then another tubular element is inserted in positioning ring
5, upper and lower chimney filter is pushed against, fills silk finally by argon arc welding plus continuous sealing weldering connects；
8) tubular element being welded is placed on the platform that cleaner is used to install filter core, using high-temperature seal adhesive
Tubular filter membrane and connector 4 are tightly connected；
Tubular element single-piece membrane area in present embodiment is big, is 2~6 times of the filter core membrane area of same size,
Space is saved very much in cleaner；This tubular element has under high wind speed environment filtration, has high filtering precision, can be in 4-
Under 8m/min or 6m/min filtration velocity, guarantee 5mg/Nm3Filtering accuracy requirement；Here single branch tubular element flux is big,
Under same processing tolerance, filter core length reduces by 50% or more.
This tubular element, the filter core bracket of tubular element, tubular filter membrane structure embodiment in, set on the outside of inner ring 2a
Setting tooth can also be used as ring gear, can be taken the tooth of above-mentioned " the ring gear 3a " being arranged on the outside of tubular filter membrane using the embodiment
Fall, such as Figure 29 and 30, the outer ring dowel 6b being correspondingly arranged using an outer ring 6a and outer ring 6a, tooth here certainly
It can retain.Mainly say that tooth is exchanged tubular filter membrane 1 is outer and inner using the embodiment.
Related content of the invention is illustrated above.Those of ordinary skill in the art are in the feelings illustrated based on these
The present invention will be realized under condition.Based on above content of the invention, those of ordinary skill in the art are not making creativeness
Every other embodiment obtained, should fall within the scope of the present invention under the premise of labour.
Claims (10)
1. foldable filter element, comprising:
Filter membrane, section are the foldable structure of waveform；
Bracket is used to support filter membrane；
It is characterized in that,
The bracket limits the waveform groove (101) of filter membrane by the support bar being set in waveform groove on filter membrane (101)
And sizing.
2. foldable filter element as described in claim 1, which is characterized in that the section of the support bar is in suitable with waveform groove (101)
The V-shaped face or U-shaped face matched.
3. foldable filter element as described in claim 1, which is characterized in that the bracket includes being used to support support bar and filter membrane
Support arm.
4. foldable filter element as claimed in claim 3, which is characterized in that the support arm includes:
Outline border (310)；
Inner panel, both ends are separately positioned on the opposite inside of outline border (310)；
Wherein, the support bar extending direction intersects with inner panel extending direction.
5. foldable filter element as claimed in claim 4, which is characterized in that the outline border (310) includes:
Top cover (311), for being arranged in filter membrane upper end；
Side plate (312) is set to top cover (311) both ends, for being arranged in filter membrane two sides；
Bottom cover (313) forms frame structure with top cover (311), side plate (312), for being arranged in filter membrane bottom end；
The inner panel crossbearer is between side plate (312).
6. foldable filter element as claimed in claim 5, which is characterized in that
The top cover (311), bottom cover (313) and side plate (312) detachable connection；
The side plate (312) and inner panel detachable connection.
7. foldable filter element as claimed in claim 3, which is characterized in that the bracket further includes inner support (200), the inner support
It (200) include the blend stop (202) being connect with support bar, which connect with support arm.
8. foldable filter element as claimed in claim 7, which is characterized in that the blend stop (202) is located at the outer of the foldable filter element
Side.
9. foldable filter element as described in claim 1, which is characterized in that the one side of the side plate (312) or bottom cover (313)
One side is provided with the strip extended to filter membrane direction, and there is gap at the strip and side plate (312) edge；Alternatively, the bottom cover
(313) one side is provided with the strip extended to filter membrane direction, and there is gap at the strip and bottom cover (313) edge.
10. foldable filter element as described in claim 1, which is characterized in that the filter membrane welding is bonded on bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910152875.6A CN109772063A (en) | 2019-02-28 | 2019-02-28 | Foldable filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910152875.6A CN109772063A (en) | 2019-02-28 | 2019-02-28 | Foldable filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109772063A true CN109772063A (en) | 2019-05-21 |
Family
ID=66487291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910152875.6A Pending CN109772063A (en) | 2019-02-28 | 2019-02-28 | Foldable filter element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109772063A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169485A (en) * | 2020-09-27 | 2021-01-05 | 滁州天陆泓机械有限公司 | Automobile air filter and flexible connecting part |
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