CN106268085B - Pleated filter and its manufacture method - Google Patents
Pleated filter and its manufacture method Download PDFInfo
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- CN106268085B CN106268085B CN201510400301.8A CN201510400301A CN106268085B CN 106268085 B CN106268085 B CN 106268085B CN 201510400301 A CN201510400301 A CN 201510400301A CN 106268085 B CN106268085 B CN 106268085B
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- pleated filter
- filter bag
- pleat
- pleated
- end cover
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Abstract
The manufacture method of the pleated filter of the present invention, including：Manufactured non-woven fabrics under high temperature or normal temperature or glass fibre non-woven are immersed in the heat-resistant resin aqueous solution and carry out impregnation processability, is drawn off rear low temperature drying, then solidified after being folded；And wound in the folding non-woven fabrics being cured i.e. on pleated filter bag along its periphery and combine conformal band, and staple is hammered into fix conformal band from outside, wherein conformal band is the endless belt of length direction and medial surface scribbles adhesive.
Description
Technical field
The present invention relates to a kind of pleated filter, more particularly to it is a kind of in the manufacturing process of pleated filter, pass through guarantor
The pleat peak of pleated filter bag and the various means of pleat paddy spacing are held, also really pleated can be kept to filter even if the length of pleated filter bag
A determining deviation between the pleat peak of bag and pleat paddy, to prevent the pleated filter and its manufacture method of the deformation of pleated filter bag.
Background technology
Dust arrester is a kind of air cleaning unit, by the gas filtration comprising dust etc. and then be sent into it is indoor or
Discharge.
The conventional structure of dust arrester is supplied by inlet plenum, exhaust chamber, air inlet, exhaust portion, filter, compressed air
Pipe, nozzle etc. form.Inlet plenum and exhaust chamber in housing are separated by partition wall.
The gas for entering inlet plenum by air inlet is moved to exhaust chamber after filter filtering dust etc..It is moved to exhaust
The gas of room is sent into indoor or discharged by exhaust portion.
Multiple filters are provided with dust arrester.Dust removal filter need to have the heat resistance of resistance to warmed air, and to the greatest extent may be used
It can be formed as that there is wide surface area to improve filter efficiency.Filter with broad surface area for example has pleated filter.
Fig. 1 is the schematic diagram of the pleated filter of existing assembled state, and Fig. 2 is the decomposition shape of existing pleated filter
The schematic diagram of state.
As depicted in figs. 1 and 2, existing pleated filter includes pleated filter bag 110, ribbon 121,122,123, support body
131st, 132, adhesive 141,142.
Formed with multiple pleat peaks and pleat paddy to widen surface area on pleated filter bag 110.
At least one ribbon 121,122,123 is incorporated on the periphery of pleated filter bag 110.Ribbon 121,122,123 is kept
The profile of pleated filter bag 110, suppress the deformation of pleated filter bag 110 when high pressure compressed gas puts on pleated filter bag 110.
Upper end cover 131 and bottom end cover 132 are bonded respectively on the top and bottom of pleated filter bag 110, for supporting and admittedly
Determine pleated filter bag 110.
Adhesive 141,142 is scribbled in the inside of upper end cover 131 and bottom end cover 132, the both ends of pleated filter bag 110 are inserted
Behind the respective inside of end cap 131 and bottom end cover 132, pleated filter bag 110 by adhesive 141,142 be bonded in upper end cover 131 and under
On end cap 132.
The pleated filter manufactured in the past is the minifilters that height is no more than 50cm, but is occurred on the market recently large-scale
Pleated filter height reaches more than 2m.
Such large-scale pleated filter is difficult to the spacing for keeping multiple pleat peaks in the fabrication process, pleated filter bag 110
Spacing between pleat peak can broaden in part and lose the advantages of pleated filter is peculiar (for example, processing air quantity is big, saves, removes
Dirt equipment miniaturization etc.), and adjacent pleat summit sticks together, and causes normally play filter function.
Large-scale pleated filter is not easy by ribbon 121,122,123 to keep the pleat peak of filter and pleat peak in manufacturing process
Between a determining deviation, and pleated filter bag 110 deform after be difficult to restore.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of in the manufacturing process of pleated filter, lead to
The various means of the pleat peak for keeping pleated filter bag and pleat paddy spacing are crossed, pleat can be also kept really even if the length of pleated filter bag
A determining deviation between the pleat peak of formula filter bag and pleat paddy, to prevent the pleated filter and its manufacture method of the deformation of pleated filter bag.
In order to achieve the above object, pleated filter provided by the present invention, it is characterised in that including：Pleated filter bag, its
It is folded on periphery with multiple pleat peaks and pleat paddy and with certain length；And at least one conformal band, it is length direction
Endless belt, along the pleated filter bag periphery wind combine, wherein each conformal band hammers into staple to fix from outside.
The manufacture method of the pleated filter of the present invention, it is characterised in that including：By manufactured nonwoven under high temperature or normal temperature
Cloth or glass fibre non-woven, which are immersed in the heat-resistant resin aqueous solution, carries out impregnation processability, is drawn off rear low temperature drying, then will
It is solidified after folding；And combined in the folding non-woven fabrics being cured i.e. on pleated filter bag along the winding of its periphery conformal
Band, and staple is hammered into fix conformal band from outside, wherein conformal band is the endless belt of length direction and medial surface scribbles bonding
Agent.
The manufacture method of the pleated filter of the present invention, it is characterised in that including：
Manufactured non-woven fabrics under high temperature or normal temperature or glass fibre non-woven are immersed in the heat-resistant resin aqueous solution and carried out
Impregnation processability, rear low temperature drying is drawn off, then is solidified after being folded；
By garter spring clamping connection on the pleat peak and pleat paddy of pleated filter bag periphery, and to wind outside the pleated filter bag
The form in week is incorporated in the top and bottom of the pleated filter bag；
By spacing holding jig clamping connection on the pleat peak and pleat paddy of the pleated filter bag, wherein the spacing holding jig bag
Include the clamp body with certain thickness and length and the pleat peak and pleat in the one side of the clamp body with the pleated filter bag
The clip groove that paddy shape is accordingly formed at spacing intervals；And
Wound in the folding non-woven fabrics being cured i.e. on pleated filter bag along its periphery and combine conformal band, and hammered into from outside
Staple fixes conformal band, wherein conformal band is the endless belt of length direction and medial surface scribbles adhesive.
The manufacture method of the pleated filter of the present invention, it is characterised in that including：
Manufactured non-woven fabrics under high temperature or normal temperature or glass fibre non-woven are immersed in the heat-resistant resin aqueous solution and carried out
Impregnation processability, rear low temperature drying is drawn off, then is solidified after being folded；
By garter spring clamping connection on the pleat peak and pleat paddy of pleated filter bag periphery, and to wind outside the pleated filter bag
The form in week is incorporated in the top and bottom of the pleated filter bag；
By spacing holding jig clamping connection on the pleat peak and pleat paddy of the pleated filter bag, wherein the spacing holding jig bag
Include the clamp body with certain thickness and length and the pleat peak and pleat in the one side of the clamp body with the pleated filter bag
The clip groove that paddy shape is accordingly formed at spacing intervals；
Wound in the folding non-woven fabrics being cured i.e. on pleated filter bag along its periphery and combine conformal band, and hammered into from outside
Staple fixes conformal band, wherein conformal band is the endless belt of length direction and medial surface scribbles adhesive；
The filter supporting member being molded of plastic material is inserted to the inner side of the pleated filter bag, given as web frame
Support；
The upper end cover being molded of plastic material is combined in the upper end of the pleated filter bag；And
The bottom end cover being molded of plastic material is combined in the lower end of the pleated filter bag.
The pleated filter of the present invention, it is characterised in that including：Pleated filter bag, it, which is folded on periphery, has multiple pleats
Peak and pleat paddy and there is certain length；Upper end cover, it is incorporated in the upper end of the pleated filter bag and is molded of plastic material；Lower end
Lid, it is incorporated in the lower end of the pleated filter bag and is molded of plastic material；Filter supporting member, it inserts the pleated filter
Bag inner side is supported and is molded of plastic material as web frame；And at least one conformal band, it is the ring of length direction
Shape band, wind and combine along the periphery of the pleated filter bag, wherein each conformal band hammers into staple to fix from outside.
By described structure, the present invention has the effect that：In the manufacturing process of pleated filter, by keeping pleat
The pleat peak of formula filter bag and the various means of pleat paddy spacing, pleated filter bag can be also kept really even if the length of pleated filter bag
A determining deviation between pleat peak and pleat paddy, so as to prevent pleated filter bag from deforming.
The present invention has makes non-woven fabrics or glass fibre under high temperature or normal temperature with needle point method (needle punching)
The effect of non-woven fabrics.
The present invention is tied by being molded of plastic material the upper end cover being incorporated on pleated filter bag, bottom end cover and being used as inner side net
The filter supporting member of structure insertion, without splitting filter construction, can be thrown into incinerator by the whole youngster of pleated filter and enter
Row burns, therefore has the effect that filter waste disposal is simple, can reduce processing cost.
Brief description of the drawings
Fig. 1 is the schematic diagram of the pleated filter of existing assembled state.
Fig. 2 is the schematic diagram of the decomposing state of existing pleated filter.
Fig. 3 is the combination stereogram of the pleated filter of the embodiment of the present invention.
Fig. 4 is the exploded perspective view of the pleated filter of the embodiment of the present invention.
Fig. 5 is the structural representation of the filter supporting member on the inside of the pleated filter of insertion first embodiment of the invention
Figure.
Fig. 6 is the structural representation of the filter supporting member on the inside of the pleated filter of insertion second embodiment of the invention
Figure.
Fig. 7 is the work for keeping pleated filter bag pleat peak and pleat paddy spacing when manufacturing the pleated filter of the embodiment of the present invention
The assembled state schematic diagram of tool.
Fig. 8 is the schematic diagram of the spacing holding jig of the embodiment of the present invention.
Fig. 9 is the exploded perspective view of the pleated filter of another embodiment of the present invention.
Figure 10 is the exploded perspective view of the pleated filter of further embodiment of this invention.
Reference
200：Pleated filter 210：Pleated filter bag 210a：Pleat peak 210b：Pleat paddy
212：Upper end cover 214：Bottom end cover 215,216：Adhesive 217：Conformal band
218：Staple 219：Siliceous fixed component 220：Filter supporting member
221：Housing 222：Eyelet 223：Seal support part 230：Filter supporting member
231：Housing 232：Opening 233：Seal support part 240：Helical spring
250：Spacing holding jig 252：Clamp body 254：Clip groove
Embodiment
Below, embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that one of ordinary skill in the art easily implements.
However, the present invention being capable of deformation implementation in a multitude of different ways, it is not limited to the following example.In addition, eliminated in accompanying drawing
The part unrelated with explanation, in favor of clearly demonstrating the present invention.
Part similar in specification employs identical reference in the whole text.Certain part described in specification in the whole text
During a certain component of " comprising ", unless there are opposite record, otherwise represent to may include other components and other non-excluded components.
Fig. 3 is the combination stereogram of the pleated filter of the embodiment of the present invention, and Fig. 4 is that the pleated of the embodiment of the present invention filters
The exploded perspective view of device.
As shown in Figure 3 and Figure 4, the pleated filter 200 of the embodiment of the present invention includes pleated filter bag 210, the and of upper end cover 212
Bottom end cover 214, adhesive 215,216 and conformal band 217.
Pleated filter bag 210 is the cylindrical shape with fold folded in a manner of forming multiple pleat paddy, and tabular is filtered
Material folds and forms pleat peak 210a and pleat paddy 210b along its length.
Pleated filter bag 210 refers to all filter bags in crimp shape, for deduster pulse jet dust removal filter.
Conformal band 217 is the endless belt formed by braid of length direction, after its inner side coating hot-melt adhesive, edge
The periphery winding of pleated filter bag 210 is pasted and is incorporated on each pleat peak 210a of pleated filter bag 210.
Conformal band 217 is hammered at least one from outside in order that it is firmly incorporated on the outer peripheral face of cartridge type filter bag 210
Staple 218 is fixed.
The use of pleated filter bag 210 is under high temperature (180 DEG C to 260 DEG C) or normal temperature (less than 120 DEG C) with needle point method (Needle
Punching non-woven fabrics made of) or with glass fibre non-woven made of special preparation method.
Non-woven fabrics is with wet method (wet-laid), spun-bond process (spunbonded), spun lacing method using chopped fiber or long fibre
(spunlace) or the manufacture craft such as calendar bonding process (calendar bond), needle point method (needle punching) will
What fiber was interweaved, especially normal temperature is selected from polyester (PET), acrylic acid (acrylic), polypropylene (PP) at least with material
One kind, and high temperature is selected from glass fibre (glass fiber), PA (polyamide), PI (polyimides), PAI (polyamide with material
Acid imide), PPS (polyphenylene sulfide), at least one of PSA (polysulfonamide).
Upper end cover 212 and bottom end cover 214 are bonded respectively to the top and bottom of pleated filter bag 210, for supporting and fixing
Pleated filter bag 210.
Through hole of the center of upper end cover 212 formed with gas movement.
Formed with the adhesive 215 extended inward from edge corresponding to the thickness of pleated filter bag 210 on upper end cover 212,
Upper end cover 212 has the drum for forming through hole on the whole.
Certainly, upper end cover 212 is not limited to the drum, can also have rectangle etc. variously-shaped.
Bottom end cover 214 has one side closed drum, and internal whole spatially coating adhesive 216.
Its inner side insertion of bottom end cover 214 has certain thickness siliceous fixed component 219.
Siliceous fixed component 219 is the part that the lower surface of pleated filter bag 210 abuts, and is formed along its length with radial
There are multiple groove 219a, with the lower shape corresponding to filter bag 210, the bottom of pleated filter bag 210 is plugged in each groove 219a.
Upper end cover 212 and bottom end cover 214 use heat-resisting material, for example, steel plate that thickness is 0.1mm~0.5mm (SUS or
Galvanized steel plain sheet), it is suitable to high-temperature dust removal, therefore is widely used.
Adhesive 215,216 used, can be used resistance to when pleated filter bag 210 is fixed on into upper end cover 212 and bottom end cover 214
The hot and outstanding epoxy resin mortar of intensity (that is, the stirring thing of epoxy resin and stone flour), it in addition can also use phenolic aldehyde, gather
The heat-resistant resins such as acid imide.
The pleated filter bag 210 being incorporated on upper end cover 212 and bottom end cover 214 can pass through the high temperature chamber at 150 DEG C~200 DEG C
The maturing process of indoor carry out 30 minutes~60 minutes, this is favorably improved the bond properties and durability of adhesive 215,216.
Fig. 5 is the structural representation of the filter supporting member on the inside of the pleated filter of insertion first embodiment of the invention
Figure, Fig. 6 are the structural representation of the filter supporting member on the inside of the pleated filter of insertion second embodiment of the invention.
As shown in Figure 5 and Figure 6, the filter supporting member 220,230 of first, second embodiment of the invention is pleated filter bag
The web frame support of 210 inner sides, it inserts the inner side of pleated filter bag 210 to support pleated filter bag 210, is one kind by metal material shape
Into, and the tubular part that up/down perforation upper and lower end opens.
Filter supporting member 220 is after sheet metal is shaped into tubular shell 221 by forming machine device, along housing
221 outer rim formed at spacing intervals perforation 222 and it is manufactured.
In other words, filter supporting member 220 is manufactured by the following method：Sheet metal is filled in into forming machine dress
In putting, multiple seal support parts 223 are formed to keep intensity with spiral-shaped at spacing intervals, and in seal support part 223
Between space perforate 222 with spiral-shaped formed, sheared with designated length after sealing metal sheet edge.
As shown in fig. 6, the filter supporting member 230 of second embodiment of the invention is to lead to the sheet metal for expanding material
After overmolding machine device is shaped to tubular shell 231, opening 232 is formed at spacing intervals along the outer rim of housing 231 and is made
's.
In other words, filter supporting member 230 is manufactured by the following method：The sheet metal plug of material will be expanded
Enter in forming machine device, form multiple seal support parts 233 with spiral-shaped to keep intensity at spacing intervals, and by making
Expand the sheet metal expansion of material and form opening 232, sealing metal sheet material between seal support part 233 with spiral-shaped
Sheared behind edge with designated length.
Forming machine device is by making sheet metal expansion form the device in the known technology field of definite shape, herein
Description is omitted.
Fig. 7 is the work for keeping pleated filter bag pleat peak and pleat paddy spacing when manufacturing the pleated filter of the embodiment of the present invention
The assembled state schematic diagram of tool, Fig. 8 are the schematic diagram of the spacing holding jig of the embodiment of the present invention.
The manufacture method of the large-scale pleated filter of the embodiment of the present invention, it is by high temperature (180 DEG C to 260 DEG C) or normal temperature
It is made under (less than 120 DEG C) with non-woven fabrics made of needle point method (Neddle Punching) or spun lacing method or with special preparation method
Glass fibre non-woven immerse heat-resistant resin and carry out impregnation processability, and folded and solidified after low temperature drying.
The dedusting of the present invention uses non-woven fabrics with pleated filter, and the non-woven fabrics is superior, logical to the dust removal performance of micro mist dirt
Gas and pliability are outstanding, and so that fibre damage can be minimized, the spun lacing method of fibre density can be increased to greatest extent
Or needle point method (Neddle Punching) is made.As long as fiber of the raw material of non-woven fabrics with heat resistance is just without spy
Do not limit, preferably using the polyamide (Polyaramide) used in known high-temperature dust removal filter, polyimides
(Polyimide), PPS (polyphenylene sulfide).Non-woven fabrics preferred weight is 100g/ ㎡~250g/ ㎡, and thickness is 0.5 ㎜~1.5
㎜, tensile strength are the ㎝ (cutting galley proof method) of the ㎏ of the ㎝ of 20 ㎏/5~100/5, and elongation is less than 30%, left and right tensile strength deviation
Less than 30%.When within the range, manufactured high-temperature dust removal filtration device, which connects micro mist dirt, to be removed, have efficiency of dust collection,
Processability and durability, therefore be more suitable for.In addition, the pleated filter of the present invention can also use glass fibre non-woven.
Glass fibre non-woven is preferably using manufactured by the following method.
First, it is 1000Deniar to prepare fineness degree, 10 × 10mesh glass fabric, by PTFE (polytetrafluoroethyl-nes
Alkene) after the aqueous solution (soluble solids be 60 weight % or so) is diluted in water with 10%~50% weight ratio, impregnated in the solution
Glass fabric is simultaneously dried, and is then heat-treated at a temperature of 300 DEG C~350 DEG C, and needle point method is carried out to reduce
The damage of fabric when (Needle Punching).Because PTFE can be overlayed on glass fabric, the PTFE when carrying out needle point method
Lubrication is played, so as to reduce the damage of fiber to greatest extent.
The more fibrils for being 1000Deniar by the fineness degree that chopped fiber is made up of a diameter of 10 μm or so of microfibre
(Multi Filament) is with progress shredding (Opening), combing (Carding) after 30mm~60mm length shearing, then uses
Forming machine is shaped to have the mesh of certain thickness and width (Web), then to the glass fabrics of PTFF overlay films with
200g/m2To 300g/m2Weight carry out needle point method, so as to glass fabric be combined into glass fibre non-woven.
Then, the present invention by under normal temperature or high temperature with non-woven fabrics and glass fiber non-woven made of needle point method or spun lacing method
Cloth, which is immersed in the heat-resistant resin aqueous solution, carries out impregnation processability.
Impregnation processability is to increase the heat resistance of non-woven fabrics, improves the lubricity of filter fiber, with reduce fiber that
Rubbed between this and caused by abrasion, and improve folding property and deashing property.
Preferably, the heat-resistant resin aqueous solution is the mixed liquor of phenolic resin aqueous solution and the PTFE aqueous solution, resistance to increasing
More preferably phenolic resin aqueous solution is 10 weights in terms of hot, to improve filter fiber lubricity, folding property and deashing property
It is the weight % of 60 weight %~90 to measure %~40 weight % and the PTFE aqueous solution.It is of course possible to use 60% in specific example
Phenolic resin aqueous solution or the 58%PTFE aqueous solution.
In addition, content of the those skilled in the art it is of course possible to the suitable control heat-resistant resin aqueous solution, relative to
The non-woven fabrics of 100 impregnated parts by weight, preferably using 10 parts by weight to 80 parts by weight, more preferably using 20 parts by weight to 50 weights
Measure part.When within the range, durability, heat resistance of subsequent technique and manufactured pleated filter etc. are more beneficial for.
Then, the manufacture method of pleated filter of the invention passes through following steps, is impregnated in the heat-resistant resin aqueous solution
Afterwards, by non-woven fabrics low temperature drying.By this process from the liquid component in the non-woven fabrics removal heat-resistant resin aqueous solution, make nothing
Spinning cloth has the deflection for being suitable to fold.
The reasons why carrying out low temperature drying is because if excessively stiffening after the non-woven fabrics of heat-resistant resin processing is dried, then
The fibre damage in folding process and tensile strength is greatly reduced, so that the life-span of pleated filter can be caused too short.Therefore, it is excellent
It is less than 80 DEG C to select low temperature drying temperature, it is contemplated that productivity is more preferably dried at 50 DEG C to 80 DEG C.
In addition, the high-temperature dust removal of the present invention includes carrying out the filter material after low temperature drying with the manufacture method of pleated filter
The step of folding and solidifying.
Solidified after folding in the present invention, asked with solving folding difficulties and durability caused by being folded after solidifying
Topic.
Folding in the present invention can utilize folding machine used when generally folding pleated filter, afterwards to the filter material of folding
Solidified, so as to manufacture high-temperature dust removal pleated filter.Preferably, 50 DEG C to 100 DEG C are preheating to before folding, so that
Filter material has the deflection suitable for folding.
The folding and solidification of the present invention is more preferably using the blade folding machine provided with preheater and post-heater.In folding machine
In, preheater (Pre-heater) folded before pre-heating technique, and post-heater (Postheater) carries out folding it
Curing process afterwards.
Now, the temperature of preheater preferably remains in 50 DEG C to 100 DEG C, and the temperature of post-heater preferably remains in 300 DEG C
To 350 DEG C.Especially, when temperature is maintained at 327 DEG C (PTFE fusing points) more than, PTFE can produce mobility and overlay on fibre completely
On dimension table face, so as to form firm overlay film.
In addition, the passage time of preheater and post-heater is preferably 5 minutes to 30 minutes.When within the range, fold
Its raw material intensity of the filter material being cured afterwards will not reduce, and can keep the deflection after folding, and be advantageous to productivity, dedusting
Performance and durability.
The high-temperature dust removal of the present invention filters pleated after may also include folding and solidification with the manufacture method of pleated filter
The step that device is fixed on pleated filter support body.
The method that the fixation of pleated filter support body is generally used for normal temperature pleated filter it is of course possible to use, it is preferably described
Support body uses heat-resisting material, especially using the steel plate (SUS or galvanized steel plain sheet) that thickness is 0.1 ㎜ to 0.5 ㎜ more suitable for
High-temperature dust removal.
It is highly preferred that adhesive used when fixed pleated filter and support body uses the outstanding epoxy of heat resistance and intensity
(Epoxy), the heat-resistant resin such as phenolic aldehyde, PI (polyimides).
In addition, relative to the resin of 100 parts by weight as adhesive, 10 parts by weight can be added to 30 parts by weight
PTFE powder or alumina powder (granularity is 5 μm to 20 μm), to increase the heat resistance of filter and pliability.
The high-temperature dust removal of the present invention may also include the pleated mistake to being fixed on support body with the manufacture method of pleated filter
Filter carries out the curing process of 30 minutes to 60 minutes, the so bonding to adhesive in 150 DEG C to 200 DEG C of high temperature chamber
Performance and durability are advantageously.
The present invention provides through the dedusting pleated filter of methods described manufacture, high-temperature dust removal of the invention pleated mistake
Filter directly displays out dust removal performance under high temperature (180 DEG C to 260 DEG C) or normal temperature (less than 120 DEG C), not extra cold
But it is dust removal in the case of equipment, so as to realize the simplification of cleaner and energy-conservation, and to the dust removal of micro mist dirt
Can be outstanding, durability, heat resistance, deashing property and folding retention property are very excellent.
Below, in order to help to understand that the present invention discloses preferred embodiment, but following embodiments are only intended to illustrate this hair
Bright, the scope of the present invention is not limited to following embodiments.
[embodiment 1]
Weight is made as 150g/m using spun lacing method in Nomex (Polyaramide)2, thickness is 1.0 ㎜, tensile strength
For the ㎝ of 50 ㎏/5 (cutting galley proof method), elongation percentage 25%, after the deviation of left and right tensile strength is 20% non-woven fabrics, relative to
The non-woven fabrics of 100 impregnated weight %, using by the 1 of 60% phenolic resin aqueous solution and the 58%PTFE aqueous solution:2 weights
The weight % of the heat-resistant resin aqueous solution 40 of amount % mixed liquor compositions is impregnated, low temperature drying 1 hour at 60 DEG C, and is made
After being preheated 20 minutes in 80 DEG C of preheater with blade folding machine, fold and solidify 20 minutes in 330 DEG C of post-heater,
So as to manufacture high-temperature dust removal pleated filter.
[embodiment 2]
In addition to using and using polyimides with non-woven fabrics made of spun lacing method, pass through method same as Example 1
High-temperature dust removal pleated filter is manufactured.
[embodiment 3]
In addition to using and using PPS with non-woven fabrics made of spun lacing method, manufactured by method same as Example 1
High-temperature dust removal pleated filter.
[embodiment 4]
The filter manufactured according to embodiment 1 is fixed on to the pleated filter stand formed by the steel plate that thickness is 0.2 ㎜
On body, and the curing of 1 hour is carried out in 150 DEG C of high temperature chamber, so as to manufacture high-temperature dust removal pleated filter.
Then, as shown in fig. 7, the present invention installs helical spring 240 in the top and bottom of pleated filter bag 210, and in pleat
Clamping connection spacing holding jig 250 on the pleat peak 210a and pleat paddy 210b of the periphery of formula filter bag 210.
Helical spring 240 be with clamping connection on the pleat peak 210a and pleat paddy 210b of the periphery of pleated filter bag 210 and winding pleated
What the form of the periphery of filter bag 210 combined.
At least one spacing holding jig 250 of clamping connection on the periphery of pleated filter bag 210, spacing holding jig 250 is by with one
The clamp body 252 for determining thickness and length is formed, and multiple clip grooves 254 is formed on clamp body 252 at spacing intervals, to clamping connection
On the pleat peak 210a and pleat paddy 210b of pleated filter bag 210.
For pleated filter bag 210, by least one helical spring 240 and the clamping connection of spacing holding jig 250 in pleated filter bag
After 210 pleat peak 210a and pleat paddy 210b, hot-melt adhesive is coated in the medial surface of conformal band 217, then by the conformal edge of band 217
Pleated filter bag 210 periphery winding paste, be incorporated in pleated filter bag 210 every on pleat peak 210a.
By this conformal band 217 be incorporated in pleated filter bag 210 up and down at six after, multiple staples 218 are hammered into each conformal
Band 217 is further to strengthen fixed force.
When the winding of conformal band 217 is pasted onto on the periphery of pleated filter bag 210, helical spring 240 and spacing holding jig
250 make the pleat peak 210a of pleated filter bag 210 and pleat paddy 210b spacing keep certain distance.
The reasons why making the pleat peak 210a and pleat paddy 210b of pleated filter bag 210 spacing keep certain distance is because will be conformal
Before the winding of band 217 is pasted, if the spacing between the pleat peak 210a of pleated filter bag 210 is broadened or sticked together, final mistake
Filter product cannot work orderly.
The present invention in order to by conformal band 217 winding be pasted on the periphery of pleated filter bag 210 before make pleated filter bag 210
Pleat peak 210a and pleat paddy 210b spacing keep certain distance, can utilize conformal band 217, staple 218, spacing holding jig
250th, helical spring 240, siliceous fixed component 219, coated in various means such as the hot-melt adhesives on conformal band 217.
In other words, the first clipping room on pleated filter bag 210 of the manufacturer of pleated filter of the invention is away from holding jig
250th, after helical spring 240, by conformal band 217 winding be pasted onto on the periphery of pleated filter bag 210, then install upper end cover 212,
Bottom end cover 214, filter supporting member 220,230.Afterwards, spacing holding jig 250, helical spring 240, pleated filtering are removed
Conformal band 217 is left behind on the final products of device.
Fig. 9 is the exploded perspective view of the pleated filter of another embodiment of the present invention, and Figure 10 is further embodiment of this invention
Pleated filter exploded perspective view.
Existing its upper end cover of pleated filter, bottom end cover and filter supporting member are generally with metal material systems such as aluminium
Into.
Most pleated filter of conventional life-span need to burn destruction, can be burnt although the pleated filter bag made of non-woven fabrics is use
Made of the material of burning, but upper end cover, bottom end cover, filter supporting member are due to being made and can not be burned with metal material.
Therefore, existing pleated filter needs to split upper end cover, bottom end cover, filter supporting member and pleated filter one by one
Bag, burning disposal only is carried out to pleated filter bag, and to the upper end cover, bottom end cover and filter supporting member of remaining metal material
Need separately to carry out scrap metal pieces processing, therefore processing cost be present and rise and filter process efficiency the problem of significantly reducing.
In order to solve this problem, there is provided a kind of filter construction burned as shown in Figure 9 and Figure 10.
For Fig. 9 and Figure 10, the description thereof will be omitted for the component repeated with Fig. 3 to Fig. 8 embodiment, and centered on distinctive points
Illustrate.
As shown in figure 9, the pleated filter 300 of another embodiment of the present invention includes as the filter construction that can be burned
The cylindric pleated filter bag 310 with fold that is folded in a manner of forming multiple pleat paddy, it is bonded respectively to pleated filter bag
The upper end cover 312 and bottom end cover 314 of 310 top and bottom and the web frame filter branch of the inner side of insertion pleated filter bag 310
Support part part 320.
Upper end cover 312, bottom end cover 314 and filter supporting member 320 are PET
(Polyethylene Terephthalate, PET), polyamide, PEN
(Polyethylenenaphthalate, PEN), makrolon (Polycarbonate, PC), polypropylene, polyacrylic tree
Fat, polyester film, Triafol T etc. are transparent, translucent or opaque plastic material, as long as can burning disposal material
Any material can all use.
Especially, pleated filter 300 needs through maturing process in about 200 degree or so of high temperature chamber or when removing dust
More than about 200 degree of high temperature can be restrained oneself, therefore form the modeling of upper end cover 312, bottom end cover 314 and filter supporting member 320
Expect material it is also preferred that using the material with heat resistance that can restrain oneself about 200 degree or so temperature.E.g., including polyether sulfone
(Polyether Sulfone), polyamide, polytetrafluoroethylene (PTFE), PEEK (polyether-ether-ketone), PEI (PEI) etc..
Formed with the adhesive 315 extended inward from edge corresponding to the thickness of pleated filter bag 310 on upper end cover 312,
Upper end cover 312 has the drum for forming through hole on the whole.
Bottom end cover 314 has one side closed drum, and internal whole spatially coating adhesive 316.
The through hole that the filter supporting member 320 of the present invention is got through up and down formed with central part, and the characteristic of plastic material
Upper preferred injection molding, but be not limited thereto.
Filter supporting member 320 is formed by forming multiple level frames 321 and forming multiple vertical racks 322
, the level frame 321 is vertically spaced apart and the horizontal direction of formation curved circular horizontal frame 321,
The vertical rack 322 is between the level frame 321 spaced apart and formation for being used for connection top and the level frame 321 of lower section
Linear vertical rack, and be provided with formed below by level frame 321 and left and right side by vertical rack 322 at spacing intervals
Eyelet 323, to cause air flow through.
The manufacture method of the pleated filter of further embodiment of this invention, comprises the following steps：It will be made under high temperature or normal temperature
Into non-woven fabrics or glass fibre non-woven immerse the heat-resistant resin aqueous solution in carry out impregnation processability, be drawn off rear low temperature and do
It is dry, then solidified after being folded；Wound in the folding non-woven fabrics being cured i.e. on pleated filter bag 210,310 along its periphery
Staple 218 is hammered into fix conformal band 217, wherein conformal band 217 is the ring-type of length direction with reference to conformal band, and from outside
Band and medial surface scribble adhesive.
As shown in Figure 10, the manufacture method of further embodiment of this invention, may also include：Conformal band 217 is filtered along pleated
Before the periphery winding of bag 210,310 combines, by the clamping connection of helical spring 240 in the pleat peak and pleat of pleated filter bag 210,310 peripheries
Paddy is incorporated in the top and bottom of pleated filter bag 210,310 in the form of winding pleated filter bag 210,310 peripheries；And will be corresponding
In the pleat peak of pleated filter bag 210,310 and the clamping connection of spacing holding jig 250 of pleat paddy shape at the pleat peak of pleated filter bag 210,310
On pleat paddy.
Then, the present invention combines the upper end cover 212,312 being molded of plastic material in the upper end of pleated filter bag 210,310,
The bottom end cover 214,314 that is molded of plastic material is combined in the lower end of pleated filter bag 210,310, in conjunction with being molded of plastic material
Filter supporting member 320, the inner side that filter supporting member 320 inserts pleated filter bag 210,310 gives as web frame
Support.
In other words, the first clipping room on pleated filter bag 210,310 of the manufacture method of pleated filter of the invention is away from guarantor
After holding fixture 250, helical spring 240, the winding of conformal band 217 is pasted onto on the periphery of pleated filter bag 210,310, then is installed
Upper end cover 212,312 and bottom end cover 214,314 and filter supporting member 220,230.Afterwards, spacing holding jig is removed
250th, helical spring 240, conformal band 217 is left behind on the final products of pleated filter.
Its upper end cover 212,312 of this Fig. 9 and Figure 10 the pleated filter burned and bottom end cover 214,314 and mistake
Filter support member 320 is molded of plastic material, and is burned so as to which the whole youngster of pleated filter is thrown into incinerator, therefore
With filter waste disposal it is simple, the advantages of processing cost can be reduced.
In addition, Fig. 9 and Figure 10 pleated filter burned winds stickup as foregoing Fig. 5, by conformal band 217
Before the periphery of pleated filter bag 210, in order that the pleat peak 210a of pleated filter bag 210 and pleat paddy 210b spacing keep a spacing
From using conformal band 217, staple 218, spacing holding jig 250, helical spring 240, siliceous fixed component 219, being coated in
The various means such as the hot-melt adhesive on conformal band 217.
Present invention mentioned above embodiment is more than implementing by device and/or method, can also be by for reality
The program that now corresponds to the member function of the embodiment of the present invention, the readable media for recording the program etc. are implemented, and this is affiliated neck
Technical staff in domain can be easily derived by the record of previous embodiment.
More than, embodiments of the invention are described in detail, but the interest field of the present invention is not limited thereto, profit
The various modifications and improved form carried out with the basic conception of the present invention defined in claims fall within the power of the present invention
Sharp scope.
Claims (1)
1. a kind of manufacture method of pleated filter, including：
Carried out being immersed using the non-woven fabrics of needle point method manufacture at 180-260 DEG C or less than 120 DEG C in the heat-resistant resin aqueous solution
Impregnation processability, rear low temperature drying is drawn off, then is solidified after being folded, form pleated filter bag；
By garter spring clamping connection on the pleat peak and pleat paddy of pleated filter bag periphery, and to wind the pleated filter bag periphery
Form is incorporated in the top and bottom of the pleated filter bag；
By spacing holding jig clamping connection on the pleat peak and pleat paddy of the pleated filter bag, wherein the spacing holding jig includes tool
There are the clamp body of certain thickness and length and pleat peak and pleat paddy shape in the one side of the clamp body with the pleated filter bag
The clip groove that shape is accordingly formed at spacing intervals；
Wound on pleated filter bag along its periphery and combine conformal band, and staple is hammered into fix conformal band, wherein protecting from outside
Shape band is the endless belt of length direction and medial surface scribbles adhesive；
The filter supporting member being molded of plastic material is inserted to the inner side of the pleated filter bag, propped up as web frame
Support；
The upper end cover being molded of plastic material is combined in the upper end of the pleated filter bag；And
The bottom end cover being molded of plastic material is combined in the lower end of the pleated filter bag, its inner side insertion of bottom end cover has certain thick
Degree siliceous fixed component, siliceous fixed component be pleated filter bag lower surface abut part, with it is radial along its length
Formed with multiple grooves, with the lower shape corresponding to filter bag, the bottom of pleated filter bag is plugged in each groove；
Afterwards, spacing holding jig is removed, helical spring, forms pleated filter.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150065400A KR101725798B1 (en) | 2015-05-11 | 2015-05-11 | Large Sized Cartridge Filter and Method for Manufacturing Using the Same |
| KR10-2015-0065400 | 2015-05-11 | ||
| KR10-2015-0073584 | 2015-05-27 | ||
| KR1020150073584A KR101841814B1 (en) | 2015-05-27 | 2015-05-27 | Incineration Filter Structure and Method for Manufacturing Using the Same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106268085A CN106268085A (en) | 2017-01-04 |
| CN106268085B true CN106268085B (en) | 2018-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510400301.8A Active CN106268085B (en) | 2015-05-11 | 2015-07-09 | Pleated filter and its manufacture method |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823601B (en) * | 2017-02-20 | 2018-11-20 | 台州道业科技有限公司 | A kind of air purifier filter device and preparation method thereof |
| CN108672221B (en) * | 2018-06-06 | 2020-01-17 | 江苏鼎盛滤袋有限公司 | Non-woven filter bag treatment method |
| CN110394002A (en) * | 2019-08-18 | 2019-11-01 | 广东云测环境科技有限公司 | A kind of pleated filter cylinder and preparation method thereof |
| CN110694376B (en) * | 2019-11-05 | 2020-09-29 | 陈凤利 | Corrugated filter bag and application thereof in ultralow emission of flue gas purification in aluminum industry |
| CN114225575A (en) * | 2022-01-21 | 2022-03-25 | 福建龙净环保股份有限公司 | Metal filter bag and bag type dust collector |
| CN114642926A (en) * | 2022-04-01 | 2022-06-21 | 厦门中创环保科技股份有限公司 | Efficient filtering cartridge and processing method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11503963A (en) * | 1995-04-21 | 1999-04-06 | ドナルドソン カンパニー，インコーポレイティド | Pleated filter and method of manufacturing the same |
| CN101306284A (en) * | 2007-05-15 | 2008-11-19 | 株式会社相模商会 | Shaping filter and manufacturing method thereof |
| KR200445381Y1 (en) * | 2008-10-16 | 2009-07-30 | (주)신화이엔피 | Filter for dust collector |
| US8282713B2 (en) * | 2009-12-16 | 2012-10-09 | Bha Group, Inc. | PTFE pleated filter element |
| US8523974B2 (en) * | 2011-08-18 | 2013-09-03 | General Electric Company | Filter core for use with pleated filter cartridges |
| JP6043590B2 (en) * | 2012-10-30 | 2016-12-14 | 日東電工株式会社 | Filter media and filter unit |
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