CN1259117C - Filter device of rotate filter press - Google Patents
Filter device of rotate filter press Download PDFInfo
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- CN1259117C CN1259117C CN 200410022855 CN200410022855A CN1259117C CN 1259117 C CN1259117 C CN 1259117C CN 200410022855 CN200410022855 CN 200410022855 CN 200410022855 A CN200410022855 A CN 200410022855A CN 1259117 C CN1259117 C CN 1259117C
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Abstract
The present invention discloses a filtering device for a rotary filter press, which comprises a frame plate, filtering media and vanes, wherein the frame plate is composed of a ring frame and a disc-shaped filter plate core, the ring frame is provided with washing holes and filtering liquid holes, the center of the filter plate core is provided with a spindle hole, and liquid collecting slots are distributed at the circumference of the filter plate core; the filtering media and the rotary vanes are arranged at one side or both sides of the frame plate to form filtering units; cover plates are arranged at the front end and the rear end of the filtering unit arranged on a frame. The present invention adopts a scheme of a combined frame plate composed of the ring frame and the disc-shaped filter plate core and solves the problems that the existing filter chamber has complicated structure and oversize axial dimension and is not capable of being made by mixing multiple materials. The present invention has the advantages of compact structure and small axial dimension of the filter chamber, optional materials for production, production cost reduction, rapid and convenient replacement and possibility of free combination of filtering units. The present invention can be widely suitable for dyestuff, ceramics, mines, chemical industry, food, electroplating, medicine and nuclear industry, particularly for the pressure filtering processes with continuous operation, sterile closed environment and washing requirement.
Description
Technical field
The present invention relates to from liquid, separate the filter press of solid suspension particle, particularly relate to a kind of filter of dynamic vane type rotation filter press.
Background technology
Dynamically vane type rotation filter press belongs to prior art, as Chinese international patent application no: 94193007.6 and Chinese utility model patent number: 02257848.X etc. have done disclosure, they all belong in pressure filtration, the stream power of sweeping of utilizing rotary blade to produce, be filtered when filtering solid phase particles that medium holds back be blended in again residual in, its purpose can make filter efficiency improve several times than common filter press.But number of patent application: tangible characteristic are to filter not classification to handle in 94193007.6, thus raffinate concentrate discharge to contain solid concentration not high, limit the scope of its application.Utility model patent number: though 02257848.X can classified filtering and concentrated, the structure of its filter element must be brought the increase of axial dimension, under the situation of same axial size, can cause the minimizing of the sum of series effective filtration area that concentrates.In addition, because reasons in structure can't adopt multiple frame plate structure and multiple making material, limit the scope of its application equally.
Summary of the invention
At above-mentioned situation, the object of the present invention is to provide a kind of compact conformation, it is convenient to change, combination free, make of material optional, cost of manufacture reduces, and not only can adapt to the filter material of various trait but also can realize classified filtering and concentrate and can keep the rotation filter press filter of no cake layer or wafer layers filtration.
For solving above-mentioned task, a kind of filter that rotates filter press of the present invention, comprise deckle board, filter medium and rotating vane, wherein, the plate-like filter sheet core that deckle board is provided with spindle hole by ring frame that is provided with washing hole, filtrate hole and center and lays the liquid collecting groove is on every side formed, and be provided with filter medium and rotating vane in the one or both sides of described deckle board and constitute filter element, in the front and back end of described filter element cover plate is set and is installed on the frame.
In order to make the present invention at the control axial dimension, ensure effective filtration area and the progression that concentrates, adapting to the filter material of heterogeneity, different conditions and adopting multiple material to mix aspects such as manufacturing and expansion range of application has better effect, and its further step has:
The form of ring frame and plate-like filter sheet core composition deckle board is provided with at least that the frame core is built-in, integrated three kinds of frame core superposed type, frame core, the integrated cross section of frame core is asymmetrical "T"-shaped structure, end face at the ring frame is provided with sealing ring, its outside is provided with expansion bearing, and the external cylindrical surface of plate-like filter sheet core is provided with the tap that uniform a plurality of and circular liquid collecting through hole communicates and can selects the nonmetallic materials manufacturing for use; And the liquid collecting groove of plate-like filter sheet core is a ring-type and radial the intersection lays and radially radiate corrugated and lay, and this plate-like filter sheet core that radiates that radially corrugated lays is the structural shape that adopts corrugated plating; Filter medium comprises that also one is covered in the supporting layer on the liquid collecting groove, and filter medium is filter cloth and adopts the U-shaped structure, which is provided with frenulum and perforate.
Because the present invention adopts the scheme of being made of combined frame plate ring frame and plate-like filter sheet core, solved present filter chamber complex structure, axially volume is excessive, and can't adopt multiple material to mix the difficult problem of manufacturing.Make it to have filter chamber compact conformation, axial dimension little, make optional with material, but cost of manufacture reduces, change efficient and convenient, filter element independent assortment.Can be widely used in dyestuff, pottery, mine, chemical industry, food, plating, medicine and nuclear industry, be particularly suitable for continuous operation, sterile closed environment needs the pressure filtration process of washing.
The present invention is further detailed explanation below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the schematic diagram that the present invention is used to rotate filter press.
Fig. 2 is the structure chart that the present invention is used to rotate filter press.
Fig. 3 is the built-in structure chart of frame core of the present invention.
Fig. 4 is the cutaway view of Fig. 3.
Fig. 5 is the partial enlarged drawing of Z among Fig. 4.
Fig. 6 is the partial enlarged drawing of Y among Fig. 4.
Fig. 7 is the front elevation of plate-like filter sheet core structure of the present invention.
Fig. 8 is the partial enlarged drawing of Z among Fig. 7.
Fig. 9 is the front elevation of the plate-like filter sheet core structure of corrugated plating pattern of the present invention.
Figure 10 is that the A of plate-like filter sheet core of corrugated plating pattern of the present invention is to enlarged drawing.
Figure 11 is that the B-B of plate-like filter sheet core of corrugated plating pattern of the present invention is to profile.
Figure 12 is the perspective view of the plate-like filter sheet core of corrugated plating pattern of the present invention.
Figure 13 is the front elevation of frame core superposition mode of the present invention.
Figure 14 is the cutaway view of Figure 13.
Figure 15 is the partial enlarged drawing of Z among Figure 14.
Figure 16 is the front elevation of the integrated structure of frame core of the present invention.
Figure 17 is the cutaway view of Figure 16.
Figure 18 is the partial enlarged drawing of Z among Figure 17.
Figure 19 is the U-shaped structure chart of filter medium of the present invention when being filter cloth.
Figure 20 is the test result figure under different operating condition when of the present invention for using.
The specific embodiment
Figure 1 shows that and use rotation structure of pressing filter schematic diagram of the present invention.Referring to accompanying drawing, comprise deckle board 54, filter medium 51 and rotating vane 8, wherein the deckle board 54 plate-like filter sheet core 38 that is provided with main shaft 9 centre bores 19 by ring frame 37 that is provided with washing hole 25, filtrate hole 14 and center and lays liquid collecting groove 44 is on every side formed, and be provided with filter medium 51 in the one or both sides of described deckle board 54 and rotating vane 8 constitutes filter elements 3, front and back end at described filter element 3 connects front and rear cover 5,6, fix by long bolt 7, constitutes an airtight filter 1 of pressing in bearing.The first order that suspension 2 enters filter 1 after pressurizeing via pump (P), filter 1 can be overlapped into single-stage or multistage 4 by a plurality of filter elements 3, and the filter medium 51 of the one or both sides of the deckle board 54 in each grade filter element and the rotating vane 8 that is installed on the main shaft 9 drive main shafts 9 with certain angular speed rotation by motor 10 by gear 11.The sealing 12 of main shaft 9 is installed on the rear end cap 6, prevents that suspension from spilling from axial play.After suspension enters the first order, on the one hand by rotating vane 8 driven rotary, the stream flow field is swept in formation, filter on the other hand, filtrate 13 sees through dielectric layer, filtrate hole 14 from filter element 3 deckle boards 54 flows out and collects filtrate collector tube 15, is discharged by filtrate (liquid 17 by filtrate valve 16 at last.The filter medium 51 that solid phase particles 18 is filtered on the unit 3 is held back, and flows the flow field because rotating vane 8 rotates sweeping of being caused, and solid phase particles 18 is mixed in the stoste again, forms the concentrate of the first order.Concentrate enters the second level from the annular space 20 of the centre bore 19 of filter element 3, continue to filter with concentrated, forms partial filtrate and concentrate.One-level so to the last forms filtrate and the concentrate 21 of afterbody, is reached by axle torque control valve 22 behind the moment of torsion of a regulation with flow-like filter cake 23 discharges.The concentrate 21 of afterbody is discharged from the slurry tap 24 of drive end bearing bracket 5 and by by-pass valve control 22 control ground.The filter 1 of rotation filter press is when work, and it is lower that what concentrate of front contains solid concentration, and the relative distance between particle and the particle is far away, and porosity is bigger, and shearing force is little, and power consumption is also little.Along with constantly carrying out of later filtrations at different levels, concentrate contains solid concentration constantly to be increased, and constantly approaching between particle and the particle, porosity reduces, and finally causes between particle and the particle near each other.Slurry motion shearing also increases sharply, and resistance increases, and the required power of agitator of blade also can sharply increase.Test shows: form the concentrate of afterbody, it contains solid concentration and is a bit larger tham critical concentration, and power consumption is roughly at 2.25Kw/m
2In addition, filtrate is in start clarification in 4～6 minutes, 8～10 hours continuous filtration time, treating capacity (amount of filtrate of heterogeneity suspension): 600～1800L/m
2Hr, operating pressure: (design pressure: 1MPa), suspension contains solid concentration to 0.1～0.3 (MPa) MPa: 1～10%.On the deckle board 54 of each filter element 3, all be provided with a washing hole 25, its objective is that the material that needs are carried out cleaning solution displacement carries out continuous washing.This washing is highly effective, and washing can make the saliferous in the solid phase be reduced to needed degree.Washing hole 25 is not all to adapt at each grade, just can obtain washing optimum efficiency when only washing on suitable level, on the level that is not suitable for washing washing hole is stopped up.The amount of liquor of washing hole 25 is by washing valve 26 controls.
Fig. 2 has provided and has been used to rotate the filter 1 of filter press and the installation and the supporting form structure chart of other parts.Being combined on all filter elements 3 of filter 1 all has a pair of support 27, and this support 27 can be movable dismountable, and they are bearing in respectively on the crossbeam 29 of frame 28.Bearing block 30 is installed, motor 10, filtrate collector tube 15, filtrate valve 16, and cleaning fluid pipe 31 and cleaning fluid control valve 32 on frame 28.Cleaning solution distributing pipe 33 and washing valve 26 also are installed on the frame 28.The design pressure of filter element is 1.0MPa, and operating pressure is generally: 0.3～0.6MPa or higher.After suspension 2 enters from first order feeding mouth, centre bore annular space 20 from filter element plate-like filter sheet core 38 enters at different levels successively, handle, the fluidization filter cake 23 after finally concentrating from the final stage discharge, 13 deckle boards 54 by filter elements 3 at different levels of filtrate are discharged from filtrate hole 14.When deslagging contain solid concentration near or when surpassing " critical concentration ", the temperature of afterbody can raise 20～50 ℃, deslagging must in time carry out.
As Fig. 6, Figure 15, shown in Figure 180, the end face that constitutes each filter element 3 ring frame 37 of filter 1 all is provided with groove 34, in groove 34, also all be provided with " O " V-shaped ring 35, they are fixed by long bolt 7 by front and rear cover 5,6 and form an airtight filter 1.The filtrate of flowing out from the deckle board 54 bottom filtrate hole 14 of filter element 3 13 is attached on the filtrate collector tube 15 by transparent hose 36, in water conservancy diversion filtrate, can understand the duty of each filter element 3 easily.
The frame plate structure pattern that Fig. 3 to Fig. 8 rotates for the present invention in the filter element 3 of filter press filter is the enforcement illustration of the built-in structure of frame core.It comprises be provided with can built-in plate-like filter sheet core 38 have in annulus frame 37 and the single pressure ring 39 and the pressure ring sealing 40 etc. of annular steps.On pressure ring 39, offer the uniform dormant bolt through hole 41 of many circumferencial directions.On the basifacial face of cylinder of ring frame 37 appearances, offer one simultaneously to a plurality of filtrate hole 14.On the face of cylinder on ring frame 37 outer surface tops, offer washing hole 25.On ring frame 37 annular steps that ring frame 37 is connected with plate-like filter sheet core 38, offer and pressure ring dormant bolt through hole 41 corresponding screwed holes 42 simultaneously, and all offer ring-shaped groove 43 in plate-like filter sheet core 38 and the junction of encircling frame 37 annular steps and pressure ring 39.Place, both sides on ring frame 37 faces of cylinder is provided with fixing support 27.Have ring-type radiation liquid collecting groove 44 in plate-like filter sheet core 38 both sides, offer uniform a plurality of radially filtrate drain drilling 46 on the external cylindrical surface 45 of plate-like filter sheet core 38.This radially filtrate drain drilling 46 be located at the outermost annular liquid collecting groove 47 in plate-like filter sheet core 38 both sides and be connected with the circular liquid collecting through hole 48 of liquid collecting groove 66 intersections radially so that the filtrate of collection can be flowed swimmingly.Be provided with filter cloth tensioning groove 49 at plate-like filter sheet core 38 with the part that is connected of ring frame 37 and pressure ring 39 simultaneously.On the liquid collecting groove 44 of plate-like filter sheet core 38 both sides, be provided with the supporting layer 50 of filtration, on supporting layer 50, be equipped with filter medium 51.Ring frame 37, plate-like filter sheet core 38, filter medium 51 are fastened in the screwed hole 42 that encircles on the frame 37 by pressure ring 39 and by dormant bolt through hole 41 on screw 52 and the pressure ring.Filter medium 51 can be a filter cloth, 51 of filter clothes that adopts on the present embodiment plate-like filter sheet core 38 by pressure ring 39 on filter cloth tensioning groove 49 stretch-draw and compress and seal on the sealed groove 43, plate-like filter sheet core 38.Built-in plate-like filter sheet core 38 also can adopt another planform, the pattern of the corrugated plating shown in Fig. 9～12.Main shaft 9 is by the centre bore 19 of plate core 38, and rotating vane 8 is installed on the main shaft 9 by feather key 53, forms strong sweeping in the both sides that are built in deckle board 54 and flows the flow field.The one-level filter chamber is formed in two filter element 3 stacks, or by front and rear cover 5 and 6 and filter element 3 form the one-level filter chamber, the raffinate that in this grade filter chamber, concentrates, enter next stage filter chamber continuation filtration and concentrate by the centre bore 19 and the annular gap 20 of main shaft 9, up to the afterbody filter chamber of this filter with built-in plate-like filter sheet core 38.Filtrate by one deck filter medium 51 on the built-in plate-like filter sheet core 38 after, compile after going into filtrate liquid collecting passage 55 through filtrate drain drilling 46 radially from ring-type radiation liquid collecting groove 44, discharge by filtrate hole 14 at last.Built-in plate-like filter sheet core 38 can be selected the material casting processing that meets the material requirement for use, as selects polypropylene material manufacturing etc. for use.Fixed support 27 in the filter element 3, circular rings frame 37 and pressure ring 39, main shaft 9, rotating vane 8 grades can adopt metal material processing, as adopting stainless steel manufacturing etc.Filter medium 51 be laid on supporting layer 50 above, filter medium 51 can be a filter cloth, as Figure 19, the shape of the filter cloth 51 of present embodiment adopts " U " shape structure.Filter cloth 51 hitches with frenulum 56 around it after passing from the centre bore 19 of plate-like filter sheet core 38, compresses also stretch-draw and sealing with pressure ring 39 by screw 52 again, enters to prevent the raffinate after concentrated, to guarantee the limpid of its filtrate.
Fig. 9～12 are the embodiment of corrugated plating pattern for the built-in plate core 38 that constitutes filter element 3.It is by interior snap ring 57, outer snap ring 58, and slim radial wave card 59, and supporting layer 50, filter medium 51 is formed.Supporting layer 50 may be incorporated in filter medium 51.Have the circular hole 60 of many radial direction outside on the snap ring 58, in time enter filtrate liquid collecting passage 55 to guarantee the filtrate that filters.Filtrate is by the filtering medium layer 50,51 on this built-in plate-like filter sheet core 38, through the liquid collecting groove 44 of slim radial wave card 59, after being entered filtrate liquid collecting passage 55 and compiled by the circular hole 60 of radial direction, discharged by filtrate hole 14 at last.The effect of slim radial wave card 59 has several aspects: first, the liquid collecting groove 44 of its slim radial wave card 59 makes the filtrate flows resistance littler, it is more smooth and easy to flow, second, radial corrugation can play supporting role, good rigidly, plate core 38 can be made into ultrathin type when adopting the The thin plate punching out, and axial dimension is greatly reduced.During making, available stamping machine is interior snap ring 57, slim radial wave card 59, and supporting layer 50, filter medium 51, outer snap ring 58 are together suppressed sealing.Slim radial wave card 59 also can be made of the fan-shaped slim radial wave card of a plurality of punching presses, also can adopt the thin steel sheet punching out for weight reduction and form.Ring frame 37 is connected as hereinbefore with plate-like filter sheet core 38.
Figure 13～15 are frame core superposition mode figure of the present invention for another embodiment that the present invention rotates filter element 3 deckle boards 54 in the filter press filter.It is made of plate-like filter sheet core 38 and circle shape ring frame 37 and pressure ring 39 stacks.Plate-like filter sheet core 38 both sides have ring-type radiation liquid collecting groove 44, and the Lower Half of the periphery of plate-like filter sheet core 38 is offered one or more filtrate hole 14, on the face of cylinder on circle shape ring frame 37 outer surface tops, offer washing hole 25.While is provided with support 27 and supporting screw 61 at the place, two sides on the face of cylinder of plate-like filter sheet core 38, and they make movable dismountable form.Supporting 27 is installed on the plate-like filter sheet core 38 by supporting screw 61.Identical with previous embodiment, on pressure ring 39, offer alternate uniform dormant bolt through hole 41 of a plurality of circumferencial directions and alternate uniform screwed hole 42, on pressure ring 39, offer ring-shaped groove 43 equally.Offer the bolt hole 62 of radial equipartition too in the corresponding position that plate-like filter sheet core 38 links to each other with pressure ring 39.On the ring-type radiation liquid collecting groove 44 of plate-like filter sheet core 38 two sides, be provided with the supporting layer 50 of filtration, on supporting layer 50, be equipped with thin bed filtration medium 51.Screw 52 passes the dormant bolt through hole 41 on the pressure ring 39, perforate 63 on the filter medium 50,51, perforate 63 on bolt hole 62 on the plate-like filter sheet core 38 and the filter medium of opposite side 50,51, screw 52 is screwed in the screwed hole 42 on the pressure ring 39 of opposite side, makes it be tightened to one.37 of frames of ring are enclosed within deckle board 54 of superimposed formation on the pressure ring 39, load onto rotating vane 8 in these deckle board 54 one or both sides and constitute filter elements 3, and be fixed by the long bolt 7 on the filter element 3 front and back end cover plates 5,6 and be combined into airtight filter 1 and be installed on the frame 28.Filtrate is flow through ring-type radiation liquid collecting groove 44 rapidly and is come together in liquid collecting through hole 48 by behind the filter medium 51 of plate-like filter sheet core 38, discharges from filtrate hole 14.Filter medium 51 be laid on supporting layer 50 above, filter medium 51 can be a filter cloth, as Figure 19, the shape of the filter cloth 51 of present embodiment adopts equally " U " the shape structure.Have and the as many perforate 63 in pressure ring hole with electric iron around the filter cloth, after it passes from the centre bore 19 of plate-like filter sheet core 38, by the groove on the pressure ring 39 43, tongue 64 on the plate-like filter sheet core 38, compress and stretch-draw and sealing with screw 52, enter in order to the raffinate after preventing to concentrate, to guarantee the limpid of filtrate.
Figure 16～18 are the integrated structure chart of frame core of the present invention.It is fused with plate-like filter sheet core 38 by ring frame 37 and constitutes, its cross section 65 is non-right "T"-shaped structure, plate-like filter sheet core 38 both sides are provided with ring-type radiation liquid collecting groove 44, offer one to a plurality of liquid collecting through holes 48 in the lower half circle of outermost annular liquid collecting groove 47 part and liquid collecting groove 66 intersections radially, radially offer one to a plurality of filtrate hole 14 at liquid collecting through hole 48.On the ring-type radiation groove 44 of the plate-like filter sheet core 38 of deckle board 54, be provided with the supporting layer 50 of filtration, on supporting layer 50, be equipped with thin bed filtration medium 51.Identical with a last embodiment, screw 52 passes the through hole 41 on the pressure ring 39, the bolt hole 62 on the plate-like filter sheet core 38, is screwed in the screwed hole 42 of another pressure ring 39, and it is tightened to an integral body.Equally by deckle board 54, rotating vane 8, main shaft 9 grades constitute filter element 3.Offer washing hole 25 on ring frame 37 external cylindrical surface tops, it does not join with filter sheet core.At the place, both sides on deckle board 54 faces of cylinder, be provided with movable supporting 27 and supporting screw 61 simultaneously, will support 27 by supporting screw 61 and be fixed on the deckle board 54.The shape of the filter cloth 51 of present embodiment and the installation of each parts and filter process are as hereinbefore.Filtrate is compiled from filtrate hole 14 discharges by the ring-type radiation groove 44 in the deckle board 54.Setting up of ring-type radiation groove 44, its main purpose are that the flow resistance of the filtrate that sees through is reduced, and filtrate can be flowed out swimmingly.Deckle board 54 can adopt the material casting processing that meets the material requirement, as adopt manufacturings such as polypropylene material, can in deckle board 54, lay reinforcing ring 67 in advance during casting, so that increase its intensity, reinforcing ring 67 and support 27 and can adopt the ordinary carbon steel manufacturing, support 27 in the filter element 3 can be adopted the loose joint detachable form, so that the processing of the casting of sheet frame.
Figure 20 is the test result figure under different operating condition when of the present invention for using.One group of lightweight carbonic acid percentage by weight of expression filter is 4% o'clock the filtrate actual measurement treating capacity and the relation of filtration time in the accompanying drawing, different filter pressures when Δ P is operation, shown this filter disposal ability time to time change, process a few hours efficiency of post treatment can descend.Disposal ability after its disposal ability drops to 1st hour 80% the time (being generally 8～9 hours), should stop to filter and lead to the liquid backwash, filter medium is recovered.Needn't dismantle filter during backwash, logical liquid backwash gets final product.Backwash volume is generally 15～25{kg/m
2Inferior }, the interval of backwash time is generally 5～10min.Backwash process is: termination of pumping (P), close filtrate valve 16, and cleaning fluid 68 is by cleaning fluid control valve 31, and filtrate collector tube 15 enters from the filtrate hole 14 of filter elements 3 at different levels, in opposite direction washing and filtering medium.
Each sequence number and title row back in the accompanying drawing:
Filter 1, suspension 2, filter element 3, level 4, front end cover plate 5, rear-end plate 6, long bolt 7, rotating vane 8, main shaft 9, motor 10, gear 11, sealing 12, filtrate 13, filtrate hole 14, filtrate collector tube 15, filtrate valve 16, filtrate (liquid 17, solid phase particles 18, centre bore 19, annular space 20, concentrate 21, axle torque control valve 22, flow-like filter cake 23, slurry tap 24, washing hole 25, washing valve 26 supports 27, frame 28, crossbeam 29, bearing block 30,, cleaning fluid pipe 31, cleaning fluid control valve 32, cleaning solution distributing pipe 33, groove 34, " O " V-shaped ring 35, transparent hose 36, ring frame 37, plate-like filter sheet core 38, pressure ring 39, pressure ring sealing 40, dormant bolt through hole 41, screwed hole 42, ring-shaped groove 43, liquid collecting groove 44, external cylindrical surface 45, radially filtrate drain drilling 46, outer annular groove 47, circular liquid collecting through hole 48, filter cloth tensioning groove 49, supporting layer 50, filter medium 51, screw 52, feather key 53, deckle board 54, filtrate liquid collecting passage 55, frenulum 56, interior snap ring 57, outer snap ring 58, radial wave card 59, the circular hole 60 of radial direction, supporting screw 61, bolt hole 62, perforate 63, tongue 64, "T"-shaped cross section 65, radially the liquid collecting groove 66, reinforcing ring 67, cleaning fluid 68.
Claims (8)
1, a kind of filter that rotates filter press, comprise deckle board (54), filter medium (51) and rotating vane (8), it is characterized in that: described deckle board (54) is by being provided with washing hole (25), the ring frame (37) of filtrate hole (14) and center are provided with main shaft (9) centre bore (19) and lay plate-like filter sheet core (38) composition of liquid collecting groove (44) on every side, and be provided with filter medium (51) and rotating vane (8) in the one or both sides of described deckle board (54) and constitute filter element (3), a plurality of filter elements (3) are overlapped into multistage (4), front end cover plate (5) and rear-end plate (6) are set in the front and back end of described filter element (3) and are installed on the frame (28).
2, filter according to claim 1 is characterized in that: the pattern that described ring frame (37) and described plate-like filter sheet core (38) are formed described deckle board (54) is provided with three kinds, and they are that the frame core is built-in, frame core superposed type and frame core are integrated.
3, filter according to claim 1 and 2 is characterized in that: the pattern of forming described deckle board (54) is that the frame core is integrated, and the cross section (65) of described deckle board (54) is asymmetrical "T"-shaped structure.
4, filter according to claim 1 and 2, it is characterized in that: the end face of described ring frame (37) is provided with " O " V-shaped ring (35), its outside is provided with expansion bearing (27), the external cylindrical surface (45) of described plate-like filter sheet core (38) is provided with the radially filtrate drain drilling (46) that uniform a plurality of and circular liquid collecting through hole (48) communicates, and this plate-like filter sheet core (38) is selected the nonmetallic materials manufacturing for use.
5, filter according to claim 1 is characterized in that: the liquid collecting groove (44) of described plate-like filter sheet core (38) intersects laying for ring-type with radial.
6, filter according to claim 1 is characterized in that: the pattern of radial wave card (59) is laid and adopted to the liquid collecting groove (44) of described plate-like filter sheet core (38) for radially radiating corrugated.
7, filter according to claim 1 is characterized in that: described filter medium (51) comprises that also one is covered in the supporting layer (50) of described liquid collecting groove (44).
8, filter according to claim 1 is characterized in that: described filter medium (51) is for filter cloth and adopt the U-shaped structure, which is provided with frenulum (56) and perforate (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410022855 CN1259117C (en) | 2004-01-19 | 2004-01-19 | Filter device of rotate filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410022855 CN1259117C (en) | 2004-01-19 | 2004-01-19 | Filter device of rotate filter press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1557525A CN1557525A (en) | 2004-12-29 |
| CN1259117C true CN1259117C (en) | 2006-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410022855 Expired - Fee Related CN1259117C (en) | 2004-01-19 | 2004-01-19 | Filter device of rotate filter press |
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| CN (1) | CN1259117C (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527134B (en) | 2006-08-14 | 2014-12-10 | 伊沃夸水处理技术有限责任公司 | High flow disc filter |
| US8801929B2 (en) | 2007-07-18 | 2014-08-12 | Evoqua Water Technologies Llc | Trash tolerant filter support for a disc filter |
| US8118175B2 (en) | 2007-07-18 | 2012-02-21 | Siemens Industry, Inc. | Venting device for a disc filter |
| CN103861344A (en) * | 2014-01-01 | 2014-06-18 | 张洪平 | Filter with disk-shaped filtering blades |
| CN103961922B (en) * | 2014-05-16 | 2016-01-13 | 江苏新宏大集团有限公司 | A kind of filtering and concentrating washing multiple purpose aeroplane |
| ES2857700T3 (en) | 2014-06-05 | 2021-09-29 | Evoqua Water Tech Llc | Filter panel and its manufacturing method |
| ES2927357T3 (en) | 2016-08-12 | 2022-11-04 | Evoqua Water Tech Llc | Dual Media Disc Filter Disc Filter Pre-Screen |
| DE102018113804A1 (en) * | 2018-06-11 | 2019-12-12 | Voith Patent Gmbh | disc filter |
| WO2022195687A1 (en) * | 2021-03-15 | 2022-09-22 | 三菱化工機株式会社 | Filtration device |
| WO2022195683A1 (en) * | 2021-03-15 | 2022-09-22 | 三菱化工機株式会社 | Filtration device |
| WO2022202612A1 (en) * | 2021-03-22 | 2022-09-29 | 三菱化工機株式会社 | Filtration device |
| WO2022201239A1 (en) * | 2021-03-22 | 2022-09-29 | 三菱化工機株式会社 | Filtration device |
| WO2022201238A1 (en) * | 2021-03-22 | 2022-09-29 | 三菱化工機株式会社 | Filtration apparatus |
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2004
- 2004-01-19 CN CN 200410022855 patent/CN1259117C/en not_active Expired - Fee Related
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| CN1557525A (en) | 2004-12-29 |
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