CN100400136C - Filtration cartridges with metallic end members and method of manufacturing - Google Patents
Filtration cartridges with metallic end members and method of manufacturing Download PDFInfo
- Publication number
- CN100400136C CN100400136C CNB03827034XA CN03827034A CN100400136C CN 100400136 C CN100400136 C CN 100400136C CN B03827034X A CNB03827034X A CN B03827034XA CN 03827034 A CN03827034 A CN 03827034A CN 100400136 C CN100400136 C CN 100400136C
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- Prior art keywords
- filter element
- limit
- metal
- band
- inner core
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- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000001914 filtration Methods 0.000 title abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 68
- 239000002184 metal Substances 0.000 claims abstract description 68
- 238000005058 metal casting Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims description 26
- 239000004744 fabric Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 7
- 150000002739 metals Chemical class 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 24
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/111—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0001—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
- B01D46/2414—End caps including additional functions or special forms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2265/06—Details of supporting structures for filtering material, e.g. cores
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Filtering Materials (AREA)
Abstract
The present invention relates to a filter cylinder (10) which comprises a filtering element (20) and a heat resisting extending band (40), wherein the extending band (40) is provided with a first longitudinal edge (42) and a second longitudinal edge (44), and the first edge (42) of the extending band (40) is connected to the edge (22) of the filtering element (20). In a first embodiment, a metal casting end part structural member (30) is formed by being immersed in molten metal through the second edge (44) of the extending band (40), and then the molten metal is coagulated with the second edge (44) of the extending band (40) embedded in the molten metal. In a second embodiment, the extending belt (40) is extruded on a porous inner core (50) of which the end part is welded with an end plate (72). The metal casting end part structural member (30) arranged on the filter cylinder (10) enhances the mechanical shock resisting capacity of the filter cylinder (10) and also improves the highest working temperature of the filter cylinder (10).
Description
Background technology
As everyone knows, filter cylinder (filtration cartridge) has been widely used as the burnisher of fluid (liquid or gas).For example under the gas situation, filter cylinder has substituted the filter bag of being made by porous paper or porous fabric effectively and has removed particle in the gas.
In factory, the processing of the flue dust of operation process is handled by the dedusters that comprise hundreds of even thousands of filter bags usually.Known in the art, when filter bag has been full of or stopped up, must regularly replace new filter bag.Nowadays, filter bag is substituted by filter cylinder gradually, especially substituted by the tubular filter cylinder that is provided with pleated filtration elements, this pleated filtration elements can be guaranteed the end member of filter cylinder excellent sealing in container supported or be supported on this between the end member by a pair of.The outstanding advantage that these filter cylinders are compared filter bag is that the surface area of filter element is approximately 3-4 times of filter bag surface area, and this makes the deduster with these filter cylinders can handle the gas of more volumes.Deduster can be littler like this, and perhaps deduster can use the longer time before safeguarding or changing.The advantage in back is important aspect productivity ratio, because it makes to safeguarding the frequency reduction of deduster closing device.
Maximum temperature when the selection of filter cylinder or design must be considered its work.Usually, conventional filtration cartridges only is only applicable to the relatively low gas of temperature.Prices are rather stiff to be used for the filter cylinder of the higher relatively gas of temperature, and still be restricted aspect the highest gas temperature that can hold at this filter cylinder.Current, to be generally used for maximum temperature be gas about 200 ℃ to available filter cylinder on the market.Higher temperature will cause degradation thereof.Because the flue dust that many factories produce is higher than this temperature, therefore this limitation just causes problem.So gas must cooling before entering deduster.Cooling realizes by surrounding air is doped in these hot gas usually.Regrettably, this increases the volume of the gas that must filter, and makes the number of required filter cylinder and the size of deduster increase thus.
The aging material that is used to make end member that mostly originates from of common observed conventional filtration cartridges in the time of nearly 200 ℃.These end members are made by polymeric material usually, can be destroyed when these polymeric materials are heated to more than 200 ℃.In the process of making this conventional filtration cartridges, an end of filter element immerses in the liquid polymeric material that is arranged in the mould and solidifies up to liquid polymeric material.For general polymerization material that this adopted is epoxides (epoxy) and polyurethane (polyurethane).When temperature surpasses 200 ℃, if being reduced to corresponding component, the mechanical performance of these polymeric materials is subjected to the degree that mechanical shock is convenient to rupture, such as the situation when filter cylinder cleans by pulse of reverse air.
In order to improve maximum operating temperature, attempt to avoid in filter cylinder, to adopt polymeric material, propose ceramic material as selection.Regrettably, find that the ability of the anti-mechanical shock of energy force rate polymeric material of the anti-mechanical shock of these ceramic materials is poorer.
Compare with polymeric material or ceramic material, metal has mechanical performance preferably.Yet subject matter is how metal parts is connected on the filter element.Filter element normally can bear the pleated fabric that is up to 260 ℃ of left and right sides temperature.This maximum temperature is compared still quite low with the fusing point of most of metals.For example, the fusing point of aluminium is about 660 ℃.If the part of filter element is directly immersed in the aluminium of fusion, then this part will be in seconds destroyed.
Summary of the invention
For overcoming above-mentioned defective, the invention provides a kind of filter cylinder (10), it comprises: filter element (20); Heat-resisting extension band (40), it has vertical first limit (42) and vertical second limit (44), and this first limit (42) is connected in the edge (22) of this filter element (20); And metal casting end member (30), second limit (44) of this extension band (40) is embedded in this metal casting end member (30).
The present invention also provides a kind of filter cylinder (10), and it comprises: filter element (20), and it has two opposite edges, and this filter element (20) comprises the porous fabric of inverted pleat, and the porous fabric of this inverted pleat becomes hollow barrel-type; Two metals extend band (40), each metal extends band and has vertical first limit (42) and vertical second limit (44), and each extends that first limit (42) of being with (40) is sutured in the corresponding edge (22) of this filter element (20) and with corresponding edge (22) inverted pleat; The metal tubular stephanoporate inner core (50) of rigidity, it coaxially is arranged in this filter element (20), and this inner core (50) has two relative ends, and each end and corresponding an extension are with second limit (44) of (40) adjacent; And two metal casting end members (30), each metal casting end member (30) is embedded with the end of corresponding second limit (44) of extending band (40) and adjacent this inner core (50).
The present invention also provides a kind of edge in filter element (20) (22) that the method for metal end member (30) is set, this method comprises: heat-resisting extension band (40) is connected the edge (22) of this filter element (20), and this extension band (40) has vertical first limit (42) and vertical second limit (44); Second limit (44) that to extend band (40) is embedded in the motlten metal of being located in the mould; And this motlten metal is set in second limit (44) of embedding this extension band (40) within it.
The present invention also provides a kind of filter cylinder (10), and it comprises: hollow barrel-type filter element (20), and it has two opposite edges; The stephanoporate inner core of rigid heat resistant (50), its coaxial being arranged in this filter element (20), this inner core (50) has two relative ends; Two heat-resisting extension bands (40), it has vertical first limit (42) and vertical second limit (44), first limit (42) of this extension band (40) is connected the respective edges (22) of this filter element (20), and this extension band (40) is squeezed in around the corresponding end of this inner core (50); Two metal end plates (72), each metal end plate are welded on the corresponding end of this inner core (50); Thus, the end of described inner core (50) is by described extension band (40) and described end plate (72) sealing.
The present invention also provides a kind of edge in filter element (20) (22) that the method for metal end member (30) is set, this method comprises: heat-resisting extension band (40) is connected the edge (22) of this filter element (20), and this extension band (40) has vertical first limit (42) and vertical second limit (44); This filter element (20) and this extension are with (40) inverted pleat and are made their formation hollow cylinders; In this cylindrical shell, insert the stephanoporate inner core (50) of rigid metal; To extend band (40) is squeezed on the end of this inner core (50); And welding forms the end plate (72) of metal end member (30) on this end of this inner core (50).
The present invention is by providing a kind of design that makes the metal end member be connected in filter element, thereby overcomes difficulty and the shortcoming that prior art exists.Especially, this makes filter cylinder have higher anti-mechanical shock ability and bears the more ability of elevated operating temperature.
Description of drawings
Other scheme of the present invention and advantage are by setting forth below in conjunction with the DETAILED DESCRIPTION OF THE PREFERRED of accompanying drawing or presenting apparently, in the accompanying drawings:
Fig. 1 show according to the present invention first and the preferred embodiment manufacturing filter cylinder of metal casting end member is arranged.
Fig. 2 shows the second embodiment of the present invention.
The specific embodiment
Fig. 1 shows the filter cylinder 10 that has metal end member 30 according to the preferred embodiment of the present invention.Fig. 2 shows the selected embodiment of Fig. 1 embodiment.Should be noted that the present invention is not limited to shown embodiment, and under the situation that does not break away from the claims scope, can also design many other embodiment.
Extend and be preferably by the made sheet metal belt shape of laminar stackable material with 40.For example this material is aluminum or aluminum alloy, stainless steel or steel.Certainly also can use other material.No matter be which kind of material, this material must be heat-resisting, this means the maximum temperature that this material must be able to bear in the manufacture process to be run into.Extend with 40 thickness preferably between about 20 μ m to 500 μ m and width between about 5mm to 150mm.The width of this extension band mainly calculates based on the pyroconductivity of use material.When the pyroconductivity of material hour, can use less extension band.
When having served as filter element part 20 and having the design of inverted pleat, preferably, before carrying out inverted pleat, will extend and be with 40 to be connected with filter element 20.Like this, can make filter element 20 and the fold that extends with 40 simultaneously.
Hollow barrel-type filter cylinder 10 with pleated filtration elements 20 is provided with for example rigid inner core 50 of the porous of metal tubular supporting network usually coaxially.If filter element 20 self has enough intensity, then need not inner core 50.Yet inner core 50 is commonly considered as porous, this means that fluid can be by flowing between inner core or the interior core assembly.Be rigidly connected usually two end members 30 and support filter element 20 of inner core 50.Should be noted that and to adopt various types of inner cores 50.For example, this inner core 50 can comprise the elongated bars of two metal casting end members 30 of a plurality of connections.No matter be which kind of inner core, its material must be heat-resisting, this means the maximum temperature that this material must be able to bear in the manufacture process to be run into.
In the manufacture process of filter cylinder 10 in the embodiment shown in fig. 1, extend with 40 second limit 44 and immerse in the motlten metal that is arranged in the mould, to make metal casting end member 30.Motlten metal can be with 40 be injected in the mould before or after inserting in extension, and motlten metal is set in 40 second limit 44 with embedding extension within it subsequently.If be provided with the support member of inner core 50 or other type, then the support member of inner core 50 or this other type end also was immersed in the motlten metal before motlten metal solidifies.
Because each cylindrical filtration cartridge 10 has two end members 30 usually, after the first metal casting end member solidifies, makes the second metal casting end member 30 again.Preferably, extend with 40 opposite sides that have been connected on the filter element 20 this moment second.Whole subsequently filter cylinder 10 simple rotation are so second extension is immersed in this motlten metal that is another amount with 40.
The motlten metal that is used to make metal casting end member 30 preferably includes aluminum or aluminum alloy.Adopt aluminium to have lot of advantages, for example aluminium has relatively low fusion temperature, and aluminium light weight and robustness height.Certainly, also can adopt the metal or alloy of other type.
If desired, be used for the mould of forming metal casting end member 30 or the part of mould and can be designed to after manufacture process is finished, be retained in filter cylinder 10.For example this mould can comprise cover 60, wherein injects motlten metal.After solidifying, this cover 60 is retained in the outside of metal casting end member 30, and forms one with the metal casting end member.Be beneficial to the mechanical performance of further raising filter cylinder 10 like this and better surface smoothness is provided.Preferably, this cover 60 is made by the metal such as steel or other any metal.
Fig. 2 shows another possible embodiments.This embodiment is mainly used in the cylindrical filtration cartridge with porous metals inner core 50.In the present embodiment, similar with first embodiment, extend and to be with 40 to sew up with filter element 20.Extend the respective end that is expressed to inner core 50 with 40, cause this extensions to be with permanent deformation thus.This distortion can make the extension of some types be with 40 suitably to be retained on the inner core 50, preferably uses metal tape 70 or similar component to increase drag simultaneously.Subsequently on inner core 50 weld plate 72 to seal this respective end portions.Especially extending with 40 to protect filter element 20 to avoid welding the influence of the heat of generation.
The use that is appreciated that metal end member 30 makes the maximum operating temperature raising of filter cylinder 10 and the ability of anti-mechanical shock is increased.Maximum temperature becomes the material that dependence is used for filter element 20 like this, and therefore, along with new suitable material is found, maximum temperature will further improve.
Claims (35)
1. a filter cylinder (10), it comprises:
Filter element (20);
Heat-resisting extension band (40), it has vertical first limit (42) and vertical second limit (44), and this first limit (42) is connected in the edge (22) of this filter element (20); And
Metal casting end member (30), second limit (44) of this extension band (40) is embedded in this metal casting end member (30).
2. filter cylinder as claimed in claim 1 (10), wherein this extension band (40) is made by metallic plate.
3. filter cylinder as claimed in claim 2 (10), the thickness that wherein should extend band (40) between 20 microns to 500 microns and width between 5 millimeters to 150 millimeters.
4. as each described filter cylinder (10) in the claim 1 to 3, wherein this filter element (20) comprises porous fabric.
5. filter cylinder as claimed in claim 4 (10), wherein this filter element (20) inverted pleat and form hollow barrel-type.
6. filter cylinder as claimed in claim 5 (10), it also comprises the stephanoporate inner core (50) that coaxially is arranged on the rigid heat resistant in this filter element (20), an end of this inner core (50) is embedded in this metal casting end member (30).
7. filter cylinder as claimed in claim 6 (10), wherein this inner core (50) comprises tubular metallic support net.
8. filter cylinder as claimed in claim 7 (10), wherein first limit (42) of this extension band (40) is overlapping with this edge (22) of this filter element (20) and adopt at least one suture (24) to be connected with this edge (22) of this filter element (20).
9. filter cylinder as claimed in claim 8 (10), wherein said suture (24) is a metal wire.
10. filter cylinder as claimed in claim 9 (10), the motlten metal of wherein making this metal casting end member (30) comprises aluminium.
11. filter cylinder as claimed in claim 10 (10), it also comprises the outer cover (60) that is connected on this metal casting end member (30), and this outer cover (60) is used as the mould of motlten metal in manufacture process.
12. a filter cylinder (10), it comprises:
Filter element (20), it has two opposite edges, and this filter element (20) comprises the porous fabric of inverted pleat, and the porous fabric of this inverted pleat becomes hollow barrel-type;
Two metals extend band (40), each metal extends band and has vertical first limit (42) and vertical second limit (44), and each extends that first limit (42) of being with (40) is sutured in the corresponding edge (22) of this filter element (20) and with corresponding edge (22) inverted pleat;
The metal tubular stephanoporate inner core (50) of rigidity, it coaxially is arranged in this filter element (20), and this inner core (50) has two relative ends, and each end and corresponding an extension are with second limit (44) of (40) adjacent; And
Two metal casting end members (30), each metal casting end member (30) are embedded with the end of corresponding second limit (44) of extending band (40) and adjacent this inner core (50).
13. filter cylinder as claimed in claim 12 (10), wherein each thickness that extends band (40) between 20 microns to 500 microns and width between 5 millimeters to 150 millimeters.
14. as claim 12 or 13 described filter cylinders (10), wherein this inner core (50) comprises supporting network.
15. filter cylinder as claimed in claim 14 (10), it is overlapping with the corresponding edge (22) of this filter element (20) and utilize at least one suture (24) to be connected with corresponding edge (22) that wherein each extends first limit (42) of band (40).
16. filter cylinder as claimed in claim 15 (10), wherein said suture (24) is a metal wire.
17. filter cylinder as claimed in claim 16 (10), the motlten metal of wherein making described metal casting end member (30) comprises aluminium.
18. filter cylinder as claimed in claim 17 (10), it also comprises the outer cover (60) that is connected on each metal casting end member (30), and each outer cover (60) is used as the mould of motlten metal in manufacture process.
19. the edge in filter element (20) (22) is provided with the method for metal end member (30), this method comprises:
Heat-resisting extension band (40) is connected the edge (22) of this filter element (20), and this extension band (40) has vertical first limit (42) and vertical second limit (44);
Second limit (44) that to extend band (40) is embedded in the motlten metal of being located in the mould; And
This motlten metal is set in second limit (44) of embedding this extension band (40) within it.
20. method as claimed in claim 19, wherein first limit (42) and the edge (22) of this filter element (20) of this extension band (40) by will extending band (40) is overlapping and they are stitched together are connected on this filter element (20) subsequently.
21. method as claimed in claim 20, it also comprises:
Before second limit (44) that will extend band (40) is embedded in this motlten metal, this filter element (20) and this are extended band (40) inverted pleat.
22. method as claimed in claim 21, it also comprises:
Make filter element (20) and this extension band (40) of this inverted pleat form hollow cylinder;
Insert the stephanoporate inner core (50) of rigid heat resistant in this cylindrical shell, this inner core (50) has two relative ends; And
Before this motlten metal solidifies, the end of this inner core (50) is embedded in this motlten metal.
23. as each described method in the claim 19 to 22, wherein this motlten metal is infused in the single mould, leaves at least a portion of this mould on this metal that solidifies.
24. method as claimed in claim 23, it also comprises:
Be provided with second at second edge of this filter element (20) and extend band (40), another edge, second edge and its (22) of this filter element (20) is relative, this second extension band (40) has vertical first limit (42) and vertical second limit (44), and this second first limit (42) of extending band (40) is connected on second edge of this filter element (20).
25. method as claimed in claim 24, wherein after this motlten metal solidified, this method also comprised:
Rotate this filter element (20), described extension band (40) and this metal casting end member (30); And
The second metal casting end member (30) is provided, by immersing this second second limit (44) of extending band (40) in the motlten metal and this motlten metal is solidified, thereby this second metal casting end member is connected to this second second limit (44) of extending band (40) so that this second limit (44) is wherein embedding.
26. a filter cylinder (10), it comprises:
Hollow barrel-type filter element (20), it has two opposite edges;
The stephanoporate inner core of rigid heat resistant (50), its coaxial being arranged in this filter element (20), this inner core (50) has two relative ends;
Two heat-resisting extension bands (40), it has vertical first limit (42) and vertical second limit (44), first limit (42) of this extension band (40) is connected the respective edges (22) of this filter element (20), and this extension band (40) is squeezed in around the corresponding end of this inner core (50);
Two metal end plates (72), each metal end plate are welded on the corresponding end of this inner core (50);
Thus, the end of described inner core (50) is by described extension band (40) and described end plate (72) sealing.
27. filter cylinder as claimed in claim 26 (10), wherein each extension band (40) is made by metallic plate.
28. filter cylinder as claimed in claim 27 (10), the thickness that wherein should extend band (40) between 20 microns to 500 microns and width between 5 millimeters to 150 millimeters.
29. as each described filter cylinder (10) in the claim 26 to 28, wherein this filter element (20) comprises porous fabric.
30. filter cylinder as claimed in claim 29 (10), wherein this filter element (20) inverted pleat and form hollow barrel-type.
31. filter cylinder as claimed in claim 30 (10), wherein this inner core (50) comprises tubular metallic support net.
32. filter cylinder as claimed in claim 31 (10), it is overlapping with the corresponding edge (22) of this filter element (20) and utilize at least one suture (24) to be connected with this filter element (20) that wherein each extends first limit (42) of band (40).
33. filter cylinder as claimed in claim 32 (10), wherein said suture (24) is a metal wire.
34. filter cylinder as claimed in claim 33 (10), wherein this extension band (40) is compressed in around the corresponding end of this inner core (50) by metal tape (70).
35. the edge in filter element (20) (22) is provided with the method for metal end member (30), this method comprises:
Heat-resisting extension band (40) is connected the edge (22) of this filter element (20), and this extension band (40) has vertical first limit (42) and vertical second limit (44);
This filter element (20) and this extension are with (40) inverted pleat and are made their formation hollow cylinders;
In this cylindrical shell, insert the stephanoporate inner core (50) of rigid metal;
To extend band (40) is squeezed on the end of this inner core (50); And welding forms the end plate (72) of metal end member (30) on this end of this inner core (50).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CA2003/001394 WO2005023393A1 (en) | 2003-09-11 | 2003-09-11 | Filtration cartridges with metallic end members and method of manufacturing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1826162A CN1826162A (en) | 2006-08-30 |
| CN100400136C true CN100400136C (en) | 2008-07-09 |
Family
ID=34230628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB03827034XA Expired - Lifetime CN100400136C (en) | 2003-09-11 | 2003-09-11 | Filtration cartridges with metallic end members and method of manufacturing |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP4430620B2 (en) |
| KR (1) | KR101074853B1 (en) |
| CN (1) | CN100400136C (en) |
| AU (1) | AU2003266079A1 (en) |
| WO (1) | WO2005023393A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009226242A (en) * | 2008-03-19 | 2009-10-08 | Nippon Kankyo Chosa Kenkyusho:Kk | Filter medium, and filtration unit employing the same |
| FR3006908B1 (en) * | 2013-06-14 | 2015-07-03 | Mecaplast Sa | METHOD FOR MANUFACTURING A FILTER ELEMENT |
| CN103707011B (en) * | 2013-12-16 | 2016-03-16 | 江苏耐尔冶电集团有限公司 | A kind of production technology of deironing filter |
| CN115350517B (en) * | 2022-08-01 | 2024-03-15 | 黄山艾科装备科技有限公司 | Efficient sack filter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3857688A (en) * | 1971-10-27 | 1974-12-31 | Ppg Industries Inc | Lead filter |
| US5250094A (en) * | 1992-03-16 | 1993-10-05 | Donaldson Company, Inc. | Ceramic filter construction and method |
| US5545323A (en) * | 1993-09-28 | 1996-08-13 | Pall Corporation | Filter assembly and method of making a filter assembly |
| US6435861B1 (en) * | 1997-06-10 | 2002-08-20 | Usf Filtration And Separations Group, Inc. | Gas burner assembly and method of making |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6096212A (en) * | 1997-06-10 | 2000-08-01 | Usf Filtration And Separations Group, Inc. | Fluid filter and method of making |
-
2003
- 2003-09-11 WO PCT/CA2003/001394 patent/WO2005023393A1/en active Application Filing
- 2003-09-11 AU AU2003266079A patent/AU2003266079A1/en not_active Abandoned
- 2003-09-11 KR KR1020067004891A patent/KR101074853B1/en active IP Right Grant
- 2003-09-11 JP JP2005508659A patent/JP4430620B2/en not_active Expired - Lifetime
- 2003-09-11 CN CNB03827034XA patent/CN100400136C/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3857688A (en) * | 1971-10-27 | 1974-12-31 | Ppg Industries Inc | Lead filter |
| US5250094A (en) * | 1992-03-16 | 1993-10-05 | Donaldson Company, Inc. | Ceramic filter construction and method |
| US5545323A (en) * | 1993-09-28 | 1996-08-13 | Pall Corporation | Filter assembly and method of making a filter assembly |
| US6435861B1 (en) * | 1997-06-10 | 2002-08-20 | Usf Filtration And Separations Group, Inc. | Gas burner assembly and method of making |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1826162A (en) | 2006-08-30 |
| KR20060079215A (en) | 2006-07-05 |
| JP4430620B2 (en) | 2010-03-10 |
| KR101074853B1 (en) | 2011-10-19 |
| WO2005023393A1 (en) | 2005-03-17 |
| AU2003266079A1 (en) | 2005-03-29 |
| JP2007504932A (en) | 2007-03-08 |
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