CN105263599A - A drum filter apparatus - Google Patents
A drum filter apparatus Download PDFInfo
- Publication number
- CN105263599A CN105263599A CN201480032226.8A CN201480032226A CN105263599A CN 105263599 A CN105263599 A CN 105263599A CN 201480032226 A CN201480032226 A CN 201480032226A CN 105263599 A CN105263599 A CN 105263599A
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- CN
- China
- Prior art keywords
- filter
- recess
- drum
- fixed part
- holding flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001914 filtration Methods 0.000 claims description 16
- 238000005452 bending Methods 0.000 claims description 3
- 230000037237 body shape Effects 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 239000013536 elastomeric material Substances 0.000 claims 1
- 239000012065 filter cake Substances 0.000 description 12
- 239000002002 slurry Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 6
- 239000000706 filtrate Substances 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000011085 pressure filtration Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005201 scrubbing Methods 0.000 description 2
- 238000003828 vacuum filtration Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
- B01D33/09—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration with surface cells independently connected to pressure distributors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/40—Special measures for connecting different parts of the filter
- B01D2201/4084—Snap or Seeger ring connecting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Sampling And Sample Adjustment (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The apparatus (10) comprises a cylindrical drum (20) supported with a rim structure (21, 22) on a shaft (25). An outer surface of the drum (20) comprises a number of filter plates (23) forming a cylindrical filter surface. Each filter plate (23) is attached through at least three fastening points (P1, P2, P3) to the rim structure (21, 22). A first recess (46) extends into the filter plate (23) and a fastening flange (110) is positioned at least partly in the first recess (46). A longitudinal fastening member (120) is attached from a first end portion (121) to the fastening flange (110) and from a second end portion (122) to the rim structure (21, 22). At least one snap locking means (140) is positioned in the fastening flange (110) or in the rim structure (21, 22) or in both. The filter plate (23) is mounted on the drum (20) by pressing the filter plate (23) radially to the drum (20) so that the snap locking means (140) locks the filter plate (23) to the rim structure (21, 22) of the drum (20).The outer surface of the filter plate (23) will be unbroken, which leads to a bigger effective filter area in the filter plate (23).
Description
Technical field
The present invention relates to a kind of drum filter apparatus of preamble according to claim 1.
Background technology
Filtration is widely used method, and by filtering, slurry or solid-liquid mixtures are forced through medium, and solid remains on medium, and liquid phase is by this medium.The example of filtration types comprises depth-type filtration, pressure and vacuum filtration and gravity and centrifugal filtration.
Pressure and vacuum filter are used for the dehydration of concentrate.Pressure filtration produces superpressure based in filtering chamber.Therefore, deposition of solid is on the surface of filter medium, and filtrate flows through filter medium in filtrate conduit.Pressure filtration operates with batch mode usually, realizes continuous print filter cake discharge because more difficult.
Vacuum filtration produces suction based in filtrate conduit, thus forms mineral filter cake on the surface of filter medium.In vacuum filter, the most normally used filter type is filter cloth and ceramic filter.There is multiple vacuum filter, scope is from belt filter to drum-type.But, the present invention relates to rotatory vacuum drum-type filter.
Rotatory vacuum drum-type filter is used for filtering on a large scale filtering suspension liquid relatively freely, the dehydration of such as concentrate.The dehydration of concentrate needs larger capacity, produces the filter cake had compared with low moisture content in addition.Vacuum drum filter can comprise cylindrical support structure, and this cylindrical support structure rotates around longitudinal axis, and this longitudinal axis forms bulging central axis.Have multiple filter, these filters are arranged on the outer surface of cylinder.Each filter forms a part for the cylindrical outer surface of cylinder.In the process that axle often turns around, each filter moves to the slurry basin special time be positioned at below axle.When axle continues to rotate, filter raises and leaves basin.When filter is immersed in slurry basin, due to the vacuum in filter, filter cake is formed on the outer surface of filter.Once filter leaves basin, hole is just emptying when the cake dewatering scheduled time, and this scheduled time is determined by the rotating speed of drum substantially.Filter cake by the back pulse of air or can be discharged by swiping, and then starts circulation.Advantageously, filter is manufactured by porous ceramics.
In the prior art scheme, filter is attached at by bolt on drum.Therefore have fixing point, this fixing point is provided with the hole through filter.Holding flange is positioned in each hole in filter.Holding flange comprises the hole through this holding flange.Filter is fixed by being passed in the bolt in the hole in the holding flange of filter.Hole through filter will reduce over the filter area in the outer surface of filter plate.Also increase is revealed dangerous through the hole of filter and bolt.
Summary of the invention
The object of this invention is to provide a kind of drum filter apparatus, this drum filter apparatus is useful in filter being fixed improvement fixed structure in a device.
Object of the present invention is by realizing according to the fixed structure in the drum filter apparatus of independent claims 1.The preferred embodiments of the present invention are disclosed in the dependent claims.
Drum filter apparatus comprises cylindrical drums, this cylindrical drums is bearing in by edge structure to be had on the rotating shaft of central axis, the outer surface of this drum comprises multiple independent filter, these filters form the cylindrical filter surface of basic continous, each filter comprises inner surface and bending outer surface, this outer surface forms the filtering surface of filter, and each filter is attached in edge structure by least three fixing points.Comprise at the fixed structure of each fixed point of these at least three fixing points:
First recess, this first recess stretches in a part for filter from the inner surface of filter, thus makes the outer surface of filter keep continuously;
Holding flange, at least local positioning is in the first recess for this holding flange, and firm attachment is on filter;
Longitudinal fixed part, this longitudinal fixed part comprises first end part and relative the second end part, and this first end part is attached on holding flange, and this second end part is attached in edge structure;
At least one is engaged (snap) locking device, and this snap lock means is positioned in holding flange and/or edge structure, and makes fixed part snap-lock on filter and/or edge structure, wherein:
By being above mounted to radial for this filter by filter on drum by being pressed in drum, like this, filter is locked in bulging edge structure by snap lock means.
The hole that fixed structure in drum filter apparatus according to the present invention will be eliminated through filter.Therefore the outer surface of filter is continuous, and this causes the larger effective filtration area in filter.Only has the outer surface of filter as the filtering surface in filter.Inner surface and the edge surface of filter are waterproof.
The whole fixed point of fixed structure in drum filter apparatus in filter are all identical.With compared with the different situation of the fixed structure of different fixed point, this will reduce the production cost of fixed structure.
Fixed structure in drum filter apparatus according to the present invention makes filter be connected fast and efficiently with drum and throw off.Filter is with the connection of rousing and throw off and can such as be undertaken by vacuum lifter.
Fixed structure in drum filter apparatus according to the present invention makes to be easy to adjusted filter plate and the fixing rigidity of rousing.This can be undertaken by changing snap lock means.In a preferred embodiment, snap lock means is positioned at the ring spring in the second groove in the second recess.The area of section of load on spring and ring spring is proportional.The fixing rigidity of filter is therefore, it is possible to change by the area of section changing ring spring.
Accompanying drawing explanation
The present invention is introduced in more detail below with reference to the accompanying drawings, in accompanying drawing by example embodiment:
Fig. 1 is the birds-eye perspective of drum filter apparatus, and fixed structure of the present invention can be used in this drum filter apparatus;
Fig. 2 is the birds-eye perspective of the drum of Fig. 1, wherein removes some top filters;
Fig. 3 is the sectional view of the drum of Fig. 2;
Fig. 4 is the sectional view of filter, illustrate the prior art fixed structure on the right side of figure and in the left side of figure according to fixed structure of the present invention;
Fig. 5 illustrates the holding flange of the fixed structure of the present invention in Fig. 4;
Fig. 6 illustrates the fixed part of the fixed structure of the present invention in Fig. 4;
Fig. 7 illustrates in assembling form, the holding flange of Fig. 5 and the fixed part of Fig. 6;
Fig. 8 is the sectional view of filter, illustrates the second embodiment according to fixed structure of the present invention;
Fig. 9 illustrates into holding flange in dismounting form and fixed part; And
Figure 10 illustrates the third embodiment of the present invention.
Detailed description of the invention
Fig. 1 is the birds-eye perspective representing drum filter apparatus, and fixed structure of the present invention can be used in this drum filter apparatus.Drum filter apparatus 10 comprises: framework 8; Cylindrical drums 20, this cylindrical drums 20 is supported in framework 8; And slurry basin 9, this slurry basin 9 is below drum 20.Drum 20 comprises axle 25, and this axle 25 is supported on framework 8 by bearing 11,12 at two ends place.Axle 25 and (therefore) drum 20 are rotated by electric notor 7 by gear.Drum 20 rotates around central axis X-X, and this central axis X-X-shaped becomes the longitudinal center axis X-X of axle 25.
Fig. 2 is the birds-eye perspective of the drum representing Fig. 1, and Fig. 3 is the sectional view of the drum 20 of Fig. 1.Drum 20 is in the axial X-X midpoint of this drum 20 and supported by edge structure 21 at the two ends place of this drum 20.Edge structure 21 can such as by coiling structure or being bearing in by spoke on axle 25.Edge structure 21 also comprises the multiple support units 22 be attached on each edge 21.Support unit 22 is formed by the straight-bar with square-section.Support unit 22 by axial X-X towards bolt and be attached on edge 21, this bolt through support unit 22, and is threaded io in the hole in the side surface of edge structure 21.Support unit 22 is arranged on round periphery, and this circle has the center on central axis X-X.Each ceramic filter plate 23 is attached on two relative support units 22, and therefore the outer surface 23B of filter 23 forms the outside filtering surface of cylindricality of drum 20.The axial X-X length of drum 20 is divided into two parts.The first ring R1 of filter 23 is positioned on the Part I of drum 20, and the second ring R2 of filter 23 is positioned on the Part II of drum 20.Filter 23 comprises plane internal surfaces 23A, bending outer surface 23B and edge surface, and this edge surface connects the lateral edges of inner surface 23A and the lateral edges of outer surface 23B of filter 23.The curvature of the outer surface 23B of filter 23 is consistent with the periphery of the outer surface of drum 20.Form the center of the radius R of the circumference of the outer surface of drum 20 on the longitudinal center axis X-X of drum 20.
The number of the ceramic filter plate 23 on drum 20 can change according to the size of drum 20.The diameter of drum 20 can be about 1 to 5 meter, and the length of drum 20 can be about 2 to 10 meters.The filter area of filter 23 can be about 10 to 200m
2.The low portion of drum 20 is immersed in slurry basin 9.The outer surface 23B of ceramic filter plate 23 has microcellular structure, and therefore water can enter in filter 23.The inside of filter 23 is porous, and therefore water can be advanced in filter 23.The inner surface 23A of filter 23 and the edge surface of filter 23 waterproof.This means that water is merely able to by the outer surface 23B of filter 23 and infiltrates in filter 23.
Each filter 23 is also provided with tube connector 29, to provide the fluid conduit systems from filter 23 inside to collector pipeline 30, this collector pipeline 30 is arranged in drum 20.Tube connector 29 in each filter 23 is connected with inner radial pipe 31, and this inner radial pipe 31 is supported on support unit 22, and through this support unit 22.The inner of inner radial pipe 31 is connected with the tube axial 32 through drum 20 of X-X direction vertically.Tube axial 32 is connected with radially outer pipe 33 at one end place of drum 20.Radially outer pipe 33 extends to the axle 25 of drum 20 from the outward flange of drum 20.Radially outer pipe 33 is connected with the distributing valve 13 on the axle 25 being arranged in drum 20.Vacuum or superpressure are passed to filter 23 by distributing valve 13.Distributing valve 13 can comprise multiple region, and to make a part of filter 23 be subject to higher vacuum or superpressure, a part of filter 23 is subject to lower vacuum or superpressure.When use comparatively long drum 20 time, preferably can have distributing valve 13 at the two ends place of drum 20.
There is provided the vacuum system of vacuum not shown in the drawings by collector pipeline 30 to filter 23.Pump for removing filtrate from collector pipeline 30 is also not shown in the drawings.Back flush or back scrubbing can also be arranged, like this, some filtrates or from the clean water of external water source by back scrubbing system (such as back wash pump) and directed time described collector pipeline 30.
When drum 20 rotates, filter 23 enters and by basin 9.Each filter 23 in the process that drum 20 turns around through different processing stage.In filter cake formation stages, when filter runs through slurry, liquid enters the inside of filter 23 by the outer surface 23B of filter 23, and filter cake is formed on the outer surface 23B of filter 23.Filter 23 enters the filtration cakes torrefaction stage after it leaves basin 9.When needs Washing of Filter Cake, carry out when drying stage starts.Discharge the stage at filter cake, the outer surface 23B by ceramic blade from filter 23 wipes filter cake off, and therefore thinner filter cake is stayed on the outer surface 23B of filter 23.Therefore, between scraper and the outer surface 23B of filter 23, comparatively small―gap suture is had.In the backwash stage of each rotation, water (filtrate) is pumped through the outside of filter 23 to filter 23 in opposite direction from the inside of filter 23.Backwash water washes away remaining filter cake and the hole of cleaned filter plate 23.
Fig. 2 illustrates each filter 23 and comprises fixing point P1, P2, P3, and these fixing points P1, P2, P3 comprise radially through the hole of filter 23.Filter 23 is attached on support unit 22 by being passed in the bolt 70 in the hole at fixing point P1, P2, P3 place.Two fixing points P1, P2 are positioned at the axial X-X outer edge of filter 23, and a fixing point P3 is positioned at the axial X-X inside edge of filter 23.
Fig. 4 is the sectional view of filter, illustrate prior art fixed structure 50 on the right side of figure and the left side of figure, according to fixed structure 100 of the present invention.
The prior art fixed structure 50 represented on the right side of Fig. 4 comprises at each fixing point P1, P2, P3 place through the first hole 45 of filter 23, holding flange 60, rubber bushing 80 and bolt 70.Holding flange 60 comprises: upper part 61, and this upper part 61 basically forms cylinder; And second low portion 62, this second low portion 62 basically forms the axle collar.Upper part 61 is assembled in the first hole 45 in filter 23, and axle collar shape low portion 62 assembles against the inner surface 23A of filter 23.Holding flange 60 can be attached at by glue on filter 23.Holding flange 60 also comprises the second hole 63, and this second hole 63 extends to low portion 62 through holding flange 60 from upper part 61.There are the first diameter in upper part 61 and the second more minor diameter in the low portion 62 of holding flange 60 in second hole 63.Therefore in the second hole 63, platform 64 is formed.When bolt 70 is tightened, the end sections 71 of bolt 70 will against this platform 64.The first end local of cylindrical rubber lining 80 is stretched in the low portion 62 of holding flange 60.The second-phase opposite end of cylindrical rubber lining 80 is against the upper surface of support unit 22.Received by the corresponding internal thread in the hole of support unit 22 at the external screw thread at outer end 72 place of bolt 70.Tightening of bolt 70 will make filter 22 be pressed against tightly on the upper surface of support unit 22.The effective filtration area of filter 23 will be reduced through the first hole 45 of filter 23 at each fixing point P1, P2, P3 place.The upper bend filtering surface 23B of filter 23 is destroyed at each hole 45 place.
That represent in the left side of Fig. 4, according to the present invention fixed structure 100 comprises at each fixing point P1, P2, P3 place: the first recess 46, and this first recess 46 is made in filter 23; Holding flange 110; Rubber bushing 130 and fixed part 120.First recess 46 stretches in a part for filter 23 from the lower surface 23A of filter 23.The apparent surface of filter 23 keeps continuously at this first recess 46 place.Cylindricality lining 130 corresponds to the cylindricality lining 80 in the fixed structure of prior art.The first end local of cylindrical rubber lining 130 is stretched in the low portion 112 of holding flange 110.The second-phase opposite end of cylindrical rubber lining 130 is stretched in support unit 22 against the upper surface of support unit 22 or local.
Fig. 5 illustrates the holding flange of fixed structure of the present invention.Holding flange 110 comprises: Part I 111, and this Part I 111 basically forms the cylinder with blind end; And Part II 112, this Part II 112 basically forms the axle collar.Part I 111 is assembled in the first recess 46 in filter 23, and Part II 112 assembles against the lower surface 23B of filter 23.Holding flange 110 can be attached at by glue on filter 23.Holding flange 110 also comprises the second recess 113, and this second recess 113 extends from the Part II 112 of holding flange 110 towards Part I 111, namely along the direction identical with the first recess 46.Also have the second circular groove 114, this second groove 114 radially stretches in the inner surface of the second recess 113 in the Part I 111 of holding flange 110.
Fig. 6 illustrates the fixed part of fixed structure of the present invention.Longitudinal fixed part 120 has basic cylindrical shape, and comprises first end part 121 and relative the second end part 122, and this second end part 122 is provided with external screw thread.The first end part 121 of fixed part 120 comprises the first cannelure 123, and this first cannelure 123 radial direction stretches in the outer surface of Part I 121 of fixed part 120.The second end part 122 of fixed part 120 also comprise there are two parallel planar shaped side surfaces clamp part 25.Two parallel side surfaces formed be used for adjustable spanner or fork wrench clamp surface.
Fig. 7 illustrates into holding flange in assembling form and fixed part.The figure shows in the second groove 114 that the first snap lock means 140 is assembled in holding flange 110.
By the second end part 122 of fixed part 120 being threaded io in the respective aperture 75 in support unit 22, fixed part 120 can be attached on support unit 22.There is external screw thread at the second end part 122 place of fixed part 120, in the respective aperture 75 of support unit 22, have internal thread.Hole 75 can only be stretched in a part for support unit 22, or through support unit 22.Cylindrical rubber lining 130 can be pushed on fixed part 120 again.Then, by being pushed to by filter 23 to make the first end part 121 of fixed part 120 by corresponding second recess 113 that enters in the Part I 111 of holding flange 110 on fixed part 120, thus filter 23 can be fixed to the fixed part 120 that radially protrudes from the upper surface of support unit 22.By being arranged on by ring spring 140 in annular first groove 123 on fixed part 120, filter 23 will be locked on fixed part 120.Local be stretched in the low portion 112 of holding flange 110 by the first end of cylindrical rubber lining 130, and the second-phase opposite end of cylindrical rubber lining 130 will arrange stretch in this support unit 22 against the upper surface of support unit 22 or local.
Fig. 8 is the sectional view of filter, illustrates the second embodiment according to fixed structure of the present invention, and Fig. 9 illustrates holding flange in dismounting form and fixed part.Fig. 9 illustrates the loose structure of filter 23.Holding flange 110 corresponds essentially to the holding flange shown in Fig. 5.Holding flange comprises: Part I 111, and this Part I has cylinder body shape substantially; And Part II 112, this Part II 112 has collar shapes substantially.In the recess 46 of Part I 111 in filter 23, Part II 112 arranges against the inner surface 23A of filter 23.Preferably, longitudinal fixed part 120 forms the global facility of holding flange 110.Fixed part 120 is basic cylindricality, and comprises first end part 121 and the second end part 122.The second end part 122 of fixed part 120 coordinates with the Part II 112 of holding flange 110.The first end part 121 of fixed part 120 be provided with radially stretch into fixed part 120 outer surface in the first cannelure 123.The 3rd recess the 115, three recess 115 is also had to stretch in the opposite direction in the support unit 22 of edge structure 21 along the side with the first recess 46.3rd recess 115 receives the first end part 121 of fixed part 120.3rd recess 115 comprise radially stretch into the 3rd recess 115 surface in the second cannelure 116.Second cannelure 116 is provided with the second snap lock means 141.Support unit 22 also provides axial X-X hole 22A, and support unit 22 can be fixed on the edge 21 of drum 20 by this axial X-X hole 22A.Cylindrical rubber lining 130 corresponds to the cylindrical rubber lining 130 in Fig. 4.Rubber bushing 130 is positioned between holding flange 110 and support unit 22.
Figure 10 illustrates the third embodiment of the present invention.3rd embodiment corresponds to the second embodiment shown in Fig. 9, except fixed part 120 is all fixed by snap lock means at two ends place in this embodiment.Fixed part 120 has basic cylindrical shape, and comprises first end part 121 and relative the second end part 122.The first end part 121 of fixed part 120 is fixed on holding flange 110 by the first snap lock means 140, and the second end part 122 of fixed part 120 is fixed on support unit 22 by the second snap lock means 141.Snap lock means 140,141 is preferably identical.First snap lock means 140 comprises the first ring spring, and this first ring spring is positioned in the cannelure 114 of the second recess 113 of holding flange 110.Second snap lock means 141 comprises the second ring spring, and this second ring spring is positioned in the cannelure 116 of the 3rd recess 115 of support unit 22.Fixed part 120 is included in the first cannelure 124 in first end part 121 and the second cannelure 124 in the second end part 122.First cannelure 123 and the second cannelure 124 radial direction stretch in the outer surface of fixed part 120.Rubber bushing 130 is positioned between holding flange 110 and support unit 22.Support unit 22 is also provided with axial X-X hole 22A, and support unit 22 can be fixed on the edge 21 of drum 20 by this axial X-X hole 22A.
In whole embodiment of the present invention, longitudinal fixed part 120 preferably has basic cylindrical shape, has circular cross-section.
The cylinder hat shape shape of holding flange 110 is preferable shape.Holding flange 110 can be attached at filter 23 from the planar shaped lower surface of the bottom outer surface of the cylindrical outer surface of Part I 111, Part I 111 and Part II 112 by glue.Therefore between holding flange 110 and filter 23, sizable fixed-area is had.But, holding flange 110 also can have some other shapes.Holding flange 110 should comprise the second recess 113, or has the fixed part 120 fixedly secured on the second recess 113, and has the shape be assembled in the first recess 46 of filter 23.
Holding flange 110 and fixed part 120 are preferably manufactured by acid-proof steel.Holding flange 110 is firmly assembled in the recess 46 of filter 23 certainly.The overall diameter of the Part I 111 of holding flange 110 corresponds to the interior diameter of the recess 46 in filter 23.The degree of depth of the recess 46 in filter 23 corresponds to the degree of depth of the Part I 111 of holding flange 110.In the second recess 113 that fixed part 120 is also assembled to holding flange 110 tightly and/or in the second recess 115 of edge structure 21,22.
Filter 23 comprises three fixing points P1, P2, P3 in the drawings.In axial direction, two fixing points P1, P2 are at the outer end place of drum 20, and a fixing point P3 is at the middle part of drum 20.Need three fixing points P1, P2, P3, to obtain the firm attachment of filter 23.Certainly, when needing more fixing points for some reason, can have more than three fixing points P1, P2, P3.
The axial X-X length of drum 20 is divided into two parts, in drum 20, therefore have two rings R1, R2 of filter 23.Certainly, can have on drum 20 filter 23, ring R1, R2 more than two, or on drum 20, only have a ring of filter 23.The quantity of suitable ring R1, the R2 of the filter 23 on drum 20 depends on the length of drum 20.
Filter 23 is fixed on drum 20 not to be needed through support unit 22.Filter 23 directly can be fixed on the edge 21 of drum 20.Therefore, the inner surface 23A of filter 23 must bend.Therefore filter 23 will be fixed on the crooked outer surface 23B of edge 21.
In the embodiment here introduced, the material that filter is called slurry, but embodiments of the invention are not limited to this fluent material.Slurry can have higher solids concentrations, such as parent metal concentrate, iron ore, chromite, ferrochrome, copper, gold, cobalt, nickel, zinc, lead and pyrite.
By reading the application, it will be apparent to those skilled in the art that, concept of the present invention can be implemented in many ways.The present invention and its embodiment are not limited to above-mentioned example, but can change within the scope of the claims.
Claims (14)
1. a drum filter apparatus (10), comprise cylindrical drums (20), this cylindrical drums (20) is by edge structure (21, 22) be bearing on the rotating shaft (25) with central axis (X-X), the outer surface of this drum (20) comprises multiple independent filter (23), these filters (23) form the cylindrical filter surface of basic continous, each filter (23) comprises inner surface (23A) and bending outer surface (23B), this outer surface (23B) forms the filtering surface of filter (23), each filter (23) is by least three fixing point (P1, P2, P3) edge structure (21 is attached at, 22) on, it is characterized in that: at these at least three fixing point (P1, P2, the fixed structure of each fixed point P3) comprises:
First recess (46), this first recess (46) stretches in a part for filter (23) from the inner surface (23A) of filter (23), thus makes the outer surface (23B) of filter (23) keep continuously;
Holding flange (110), at least local positioning is in the first recess (46) for this holding flange (110), and firm attachment is on filter (23);
Longitudinal fixed part (120), this longitudinal fixed part (120) comprises first end part (121) and relative the second end part (122), this first end part (121) is attached on holding flange (110), and this second end part (122) is attached in edge structure (21,22);
At least one snap lock means (140,141), this snap lock means (140,141) is positioned in holding flange (110) or edge structure (21,22), or in holding flange (110) and edge structure (21,22), and make fixed part (120) snap-lock on filter (23) and/or edge structure (21,22), wherein:
By being radially above mounted to by filter (23) on drum (20) by being pressed in drum (20) by this filter (23), thus filter (23) is locked in the edge structure (21,22) of drum (20) by this at least one snap lock means (140,141).
2. drum filter apparatus according to claim 1, it is characterized in that: holding flange (110) comprises the second recess (113), this second recess (113) stretches in holding flange (110) along the direction identical with the first recess (46), the first end part (121) of fixed part (120) stretches in the second recess (113), second recess (113) comprises the first snap lock means (140), therefore
The first end part (121) of fixed part (120) is attached on filter (23) by the first snap lock means (140), and the second end part (122) firm attachment of fixed part (120) is in edge structure (21,22).
3. drum filter apparatus according to claim 2, it is characterized in that: the first end part (121) of fixed part (120) comprises first groove (123) of annular, this first groove (123) radially stretches in the outer surface of first end part (121) of fixed part (120), first snap lock means (140) comprises ring spring, this ring spring inserts in second groove (114) of annular, this second groove (114) radially stretches in the inner surface of the second recess (113), realize fixed part (120) to be locked on the second recess (113) by the first ring spring being arranged on when fixed part (120) is pushed in the second recess (113) in the first groove (123) in the first end part (121) of fixed part (120).
4. the drum filter apparatus according to Claims 2 or 3, it is characterized in that: the second end part (122) of fixed part (120) comprises external screw thread, for being attached described fixed part (120) by carrying out being threaded with the internal thread in the respective aperture (75) in edge structure (21,22).
5. drum filter apparatus according to claim 1, it is characterized in that: edge structure (21,22) comprises the 3rd recess (115), 3rd recess (115) is along stretching in edge structure (21,22) in the opposite direction with the side of the first recess (46), the second end part (122) of fixed part (120) stretches in the 3rd recess (115), 3rd recess (115) comprises the second snap lock means (141), therefore
First end part (121) firm attachment of fixed part (120) is on filter (23), and the second end part (122) of fixed part (120) is attached in edge structure (21,22) by the second snap lock means (141).
6. drum filter apparatus according to claim 5, is characterized in that: fixed part (120) forms the global facility of holding flange (110).
7. drum filter apparatus according to claim 1, is characterized in that:
Holding flange (110) comprises the second recess (113), this second recess (113) stretches in holding flange (110) along the direction identical with the first recess (46), the first end part (121) of fixed part (120) stretches in the second recess (113), second recess (113) comprises the first snap lock means (140)
Edge structure (21,22) comprises the 3rd recess (115), 3rd recess (115) stretches in edge structure (21,22) along the direction contrary with the first recess (46), the second end part (122) of fixed part (120) stretches in the 3rd recess (115), 3rd recess (115) comprises the second snap lock means (141), therefore
The first end part (121) of fixed part (120) is attached on filter (23) by the first snap lock means (140), and the second end part (122) of fixed part (120) is attached in edge structure (21,22) by the second snap lock means (141).
8. drum filter apparatus as claimed in any of claims 1 to 7, it is characterized in that: snap lock means (140, 141) ring spring is comprised, this ring spring is arranged at recess (113, 115) cannelure (114 in, 116) in, this recess (113, 115) end sections (121 of described fixed part (120) is received, 122), therefore the respective end part (121 of fixed part (120), 122) groove (123 is comprised, 124), when the respective end part (121 of fixed part (120), 122) recess (113 is pushed into, 115) time interior, ring spring is locked to the respective grooves (123 on fixed part (120), 124) in.
9. drum filter apparatus as claimed in any of claims 1 to 8, is characterized in that: holding flange (110) comprises the Part II (112) of the Part I (111) stretched in the first recess (46) and the inner surface (23A) abutting against filter (23).
10. drum filter apparatus according to claim 9, it is characterized in that: the Part I (111) of holding flange (110) has the cylinder body shape with blind end substantially, the Part II (112) of holding flange (110) has collar shapes substantially.
11. drum filter apparatuses as claimed in any of claims 1 to 10, is characterized in that: fixed part (120) has cylinder body shape substantially.
12. according to the drum filter apparatus in claim 1 to 11 described in any one, it is characterized in that: described fixed structure also comprises the lining (130) of elastomeric material, this lining (130) is arranged between the edge structure (21,22) of holding flange (110) and drum (20).
13., according to the drum filter apparatus in claim 1 to 12 described in any one, is characterized in that: holding flange (110) is attached at by glueing joint on filter (23).
14. according to the drum filter apparatus in claim 1 to 13 described in any one, it is characterized in that: edge structure (21,22) comprises support unit (22), this support unit (22) is attached on described edge (21), and forms the plane fixed surface being used for filter (23).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20135542 | 2013-05-21 | ||
| FI20135542A FI125578B (en) | 2013-05-21 | 2013-05-21 | Rumpusuodinlaite |
| PCT/FI2014/050384 WO2014188068A1 (en) | 2013-05-21 | 2014-05-20 | A drum filter apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105263599A true CN105263599A (en) | 2016-01-20 |
Family
ID=51063451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480032226.8A Pending CN105263599A (en) | 2013-05-21 | 2014-05-20 | A drum filter apparatus |
Country Status (10)
| Country | Link |
|---|---|
| CN (1) | CN105263599A (en) |
| AU (1) | AU2014270287B2 (en) |
| BR (1) | BR112015028970B8 (en) |
| CA (1) | CA2912090A1 (en) |
| CL (1) | CL2015003340A1 (en) |
| EA (1) | EA031027B1 (en) |
| FI (1) | FI125578B (en) |
| SE (1) | SE539804C2 (en) |
| UA (1) | UA114970C2 (en) |
| WO (1) | WO2014188068A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107510984A (en) * | 2017-11-03 | 2017-12-26 | 烟台青林矿山机械有限公司 | A kind of farm animal excrement fermentation tank water treatment plant |
| SE542326C2 (en) | 2018-06-21 | 2020-04-14 | Valmet Oy | Vacuum filter |
| CN113088358B (en) * | 2021-03-26 | 2022-06-24 | 中国石油大学(华东) | External expansion type gas filtering device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2547969A (en) * | 1948-01-28 | 1951-04-10 | Peterson Filters & Eng | Drum filter medium |
| DE931825C (en) * | 1950-11-16 | 1955-08-18 | Buckau Wolf Maschf R | Rotary cell external filter |
| CN202136852U (en) * | 2011-06-29 | 2012-02-08 | 杭州化工机械有限公司 | Filter component structure of pressurizing drum filter |
| CN102716610A (en) * | 2012-06-27 | 2012-10-10 | 江苏赛德力制药机械制造有限公司 | Pressurization rotating drum filtering machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE455390A (en) * | ||||
| BE442978A (en) * |
-
2013
- 2013-05-21 FI FI20135542A patent/FI125578B/en active IP Right Grant
-
2014
- 2014-05-20 SE SE1551541A patent/SE539804C2/en unknown
- 2014-05-20 WO PCT/FI2014/050384 patent/WO2014188068A1/en active Application Filing
- 2014-05-20 CA CA2912090A patent/CA2912090A1/en not_active Abandoned
- 2014-05-20 UA UAA201511102A patent/UA114970C2/en unknown
- 2014-05-20 BR BR112015028970A patent/BR112015028970B8/en active IP Right Grant
- 2014-05-20 AU AU2014270287A patent/AU2014270287B2/en active Active
- 2014-05-20 EA EA201592002A patent/EA031027B1/en not_active IP Right Cessation
- 2014-05-20 CN CN201480032226.8A patent/CN105263599A/en active Pending
-
2015
- 2015-11-13 CL CL2015003340A patent/CL2015003340A1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2547969A (en) * | 1948-01-28 | 1951-04-10 | Peterson Filters & Eng | Drum filter medium |
| DE931825C (en) * | 1950-11-16 | 1955-08-18 | Buckau Wolf Maschf R | Rotary cell external filter |
| CN202136852U (en) * | 2011-06-29 | 2012-02-08 | 杭州化工机械有限公司 | Filter component structure of pressurizing drum filter |
| CN102716610A (en) * | 2012-06-27 | 2012-10-10 | 江苏赛德力制药机械制造有限公司 | Pressurization rotating drum filtering machine |
Also Published As
| Publication number | Publication date |
|---|---|
| FI125578B (en) | 2015-11-30 |
| BR112015028970A2 (en) | 2017-07-25 |
| BR112015028970B8 (en) | 2023-02-07 |
| EA031027B1 (en) | 2018-11-30 |
| CL2015003340A1 (en) | 2016-09-23 |
| CA2912090A1 (en) | 2014-11-27 |
| WO2014188068A1 (en) | 2014-11-27 |
| AU2014270287A1 (en) | 2015-12-24 |
| BR112015028970B1 (en) | 2021-09-28 |
| EA201592002A1 (en) | 2016-07-29 |
| SE1551541A1 (en) | 2015-11-27 |
| FI20135542A (en) | 2014-11-22 |
| UA114970C2 (en) | 2017-08-28 |
| SE539804C2 (en) | 2017-12-05 |
| AU2014270287B2 (en) | 2016-07-14 |
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Application publication date: 20160120 |