CN101829449B - Rotary pressure filter - Google Patents
Rotary pressure filter Download PDFInfo
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- CN101829449B CN101829449B CN2010101751739A CN201010175173A CN101829449B CN 101829449 B CN101829449 B CN 101829449B CN 2010101751739 A CN2010101751739 A CN 2010101751739A CN 201010175173 A CN201010175173 A CN 201010175173A CN 101829449 B CN101829449 B CN 101829449B
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Abstract
The invention relates to a rotary pressure filter which belongs to machineries for continuously separating solid and liquid suspensions or slurries. The rotary pressure filter is characterized in that the inner side of a filtering and rotating body (1) is uniformly distributed with filter tank type independent filtering units (1-1) along the circumference direction; a sealing boot (8-2) in a filtering device (8) covers partial filtering units to form a hydraulic filtering cavity (8-3); a still central pipe (2) is arranged in the filtering and rotating body, and a rectangular material receiving port arranged on the top of the still central pipe (2) is connected with a sealing and isolating device (11); pressurized gas, materials, and the like enter a channel and a discharge device (13) is put in the central pipe (2); the sealing and isolating device (11) divides the rotating body (1) into a pressure cavity and a normal pressure cavity; the materials enter the hydraulic filtering cavity(8-3), rotates along with the rotating body (1) and then is formed into a filter cake respectively through the processes of hydraulic filtering, washing, gas-phase pressurizing and filtering, drying, and the like; the filter cake enters the normal pressure cavity and is unloaded through gas-phase blowback and discharged from the discharge device (13); and filter liquid is gathered to a gas-liquid two-phase switching control head (17) through a gas-liquid two-phase channel (18) and drained.
Description
First, technical field：
The present invention is a kind of rotary pressure filter, the plant equipment of the continuous separation solid-liquid suspension of category or slurry.Suitable for the separation of solid and liquid of the industries such as sugar industry, petrochemical industry, chemical and medicine industry, coal mine separation, technics of metallurgy mineral dressing, Aluminum, sewage disposal, the multitudinous slag separation of such as sugar refinery mandarin orange, PVC device PVC pulp separations, PTA device CTA slurries and PTA pulp separations, colliery raw coal be selected and tail coal is reclaimed, AL in Aluminum2O3Separation of sludge etc. in the separation of slurry, sewage-treatment plant.
2nd, background technology：
Being related to the rotating machinery of separation of solid and liquid has a lot, industrially has vacuum filter unit, centrifugal separator and various filter-presses etc., but these wide variety of plant equipment using more at present, is respectively present following defect：
1. vacuum filter unit complex structure is huge, power consumption is big.
The vacuum filter unit applied in PTA devices such as scale for ten thousand tons/year of 60-200, it singly covers the Typical Disposition of unit in addition to vacuum filter of the driving power for 37KW, it is necessary to which configuration driven power is 318.5KW liquid-ring vacuum pump group；Also to ensure that normally operation also needs to set material return-flow system vacuum filter unit, the power that feed back is consumed up to 45KW amounts to driving power and reaches 400.5KW, the maximum PTA butts production capacity of this single set vacuum filter unit only has 5000kg/ (M2H), observable index is but up to 0.0075 KWh/kg.
2. after centrifugal separator low yield, separation filter cake water capacity is big, power consumption is big.
Decanting centrifuge such as scale to be applied in ten thousand tons/year of 60-200 PTA devices, the maximum PTA butts production capacity of separate unit centrifuge only has 35333 kg/h, and the PTA filter cake water capacities after separation are up to 22~25%, unit driving power reaches 250KW, and its observable index is 0.00566KWh/kg.
3. in rotary drum filter-press gas consumption is big, filter cake can not be expelled directly out from filter cake outlet, it is necessary to discharging sealing device is added at filter cake outlet, filter cake could be discharged intermittently or serially.
The rotary drum filter-press for being used to continuously separate PTA slurries developed such as BIRD YOUNG companies, because filtering rotary drum inside and gas-liquid two-phase discharge pipe are all-pass, in operation, rotary drum only some be immersed in filter pocket, and other parts have formed the extraneous passage of these gas flows because being in pressure filtration gas, this makes pressure filtration gas consumption into decades of times increase.Using butt production capacity as 11052 kg/ (M2H) exemplified by rotary drum filter-press, the gas gross consumed in the process such as its gas phase pressure filtration is up to 38760NM3/ h, gas consumption ratio may be up to 0.7751 NM3/kg.And rotary valve must be added in filter cake outlet, it filter cake is delivered continuously to next drying process.
4. rotating disc type filter-press productivity per unit is low, gas consumption big and discharging sealing device must be added at outlet, control filter cake interval discharge or continuous discharge.
Such as it is used for the GPJ-120 rotating disc type continuous pressure filters that raw coal fine purifiation or tail coal are reclaimed, although the gas-liquid two-phase passage of each rotating disk is subregion, but it is immersed in because each rotating disk only has fraction filtering surface in filter pocket, most of filtering surface is but in pressure filtration gas, these filtering surfaces constitute the shortcut passage outside pressure filtration gas discharge filter, the consumption of pressure filtration gas is set to be multiplied so that gas consumption is big, and gas consumption ratio is up to 0.36NM3/ kg, the low yield of unit area, butt production capacity is only 166.7kg/ (M2·h)。
5. in the external independent filter pocket formula filter element of rotary drum filter-press standalone architecture it is complicated, its two ends shaft seal structure bulky dimensions, sealing size is 1600mm, easily leak, the packing seal life-span is extremely short, and most long also there was only three months, maintaining is frequent, cost is high.
The filter-press for being used to separate the external independent filter pocket formula filter element of interior rotary drum of PTA slurries developed such as BHS companies of Germany, sealing is easily leaked, typically often operation begins to leak therefore needed for every eight hours to airtight and watertight padding maintenance once for 8 hours, its sealing life-span is generally 1~2 month, and the most long life also only has March.Average to change within 2 months a collection of expensive filler from German import, maintenance cost is high.
Chinese patent CN85105930A describes a kind of continuous pressure filter, it is a kind of outer drum formula filter-press, sieve plate and filter cloth is set to constitute filter element in rotary drum, utilize the malleation operation principle of plate and frame type filter-press, the flows such as subregion filtering, drying, blowback discharging using drum type vacuum filter, by conveying raw coal or tail coal suspension into cylinder, compressed air, filtrate is set to pass through filter cloth, sieve plate, through conduit, dispensing head is discharged, and the cleaned coal filter cake of fine particle is attached on the surface of sieve plate filter cloth.Its sieve plate is evenly distributed along cylinder inwall, it is each independent, every piece of sieve plate is corresponded with cylinder outer catheter, when each piece of sieve plate rotates to upper end, conduit is connected with dispensing head blowback air, and the filter cake being attached on sieve plate filter cloth is blown off by blowback air, dropped in the receiving hopper vertically stood in cylinder, discharging hermatic door is delivered to through spiral conveyer and is discharged, but there is following distinct disadvantage in it：(1), because its filter element is the filter cloth that is arranged on sieve plate, therefore the filter cake thickness formed is restricted, and the intensity filter in cellar area is low, low yield；(2), it is pressurized chief motivation as filtering using gas phase, come from the liquid phase pressure of material not using and waste, therefore its gas consumption is greatly, and energy consumption is big；(3), discharge zone and gas phase pressurizing filter area are laid in the pressure chamber of uniform pressure grade, unloaded in order to which filter cake is smoothly blown, the pressure of blowback air must be made at least than the filtering big 0.5kg/cm2 of supercharging gas pressure, this not only needs the work source of the gas of two kinds of pressure ratings, and cause the pressed gas after gas phase pressurizing filter directly to reclaim for discharging, cause the energy to waste, increase units consumption；(4) inhomogeneities for the filter cake that the intermittent take-off Men Yin of the cylinder piston control, used after feeding screw is sent can cause pressure filtration gas toward external leakage, therefore its gas consumption amount is big；(5), the cleaning pipe (10) shown in Fig. 1 implements positive spray washing to the filter cloth after discharging, and clean result is not good；(6), the device without anti-precipitation in its cartridge filter, therefore it can not solve treating material uneven concentration, filter cake thickness is uneven on the filter cloth easily caused by deposition etc. or can not form filter cake, and then cause the problems such as pressure filtration gas is largely wasted；(7), without flusher in filtration barrel body, it is impossible to be applicable the chemical plant installations for having rinsing requirement to filter cake, it is impossible to carry out decontamination processing to filter cake.
3rd, the content of the invention：
The purpose of the present invention be exactly in order to fundamentally solve the vacuum filter unit, centrifugal separator and various filter-presses that are widely used at present etc. it is a variety of it is not enough there is provided one kind is simple in construction, manufacture, using, it is easy to maintenance；The rotary pressure filter that working speed is low, filtration pressure difference is big, productivity per unit is high, gas consumption ratio is low, observable index is low, the rotary pressure filter need not set feed back, butt production capacity is up to 120000kg/h, and unit area butt yield is up to 13000kg/ (M2·h)；Filter cake water capacity is low, and only 10%~15%；Observable index is low, and observable index is only 0.0012KWh/kg, and observable index is the 16% of vacuum filter unit, is the 21% of centrifugal separator；Gas consumption ratio is low, and gas consumption ratio is 0.0093NM3/ kg, gas consumption ratio is the 1.2% of BIRD YOUNG companies rotary drum filter-press, is the 36% of GPJ-120 vertical rotating disk continuous pressure filters.The technical scheme is that a kind of such, rotary pressure filter, is characterized in that its structure includes：Filter revolving body (1), quiescent center pipe (2), support positioning combined device (3), the gas that pressurizes enters passage (4), material enters passage (5), Washing of Filter Cake liquid enters passage (6), filter element backwash water passing away (7), filter (8), Washing of Filter Cake device (9), filtration cakes torrefaction area (10), seal separating device (11), filter cake discharge zone, discharge device, filter element back flush device (14), filter rotator shaft sealing (15), filter cake discharger sealing (16), gas-liquid two-phase switching control head (17), gas-liquid two-phase passage (18), filtering revolution body drive (19-1), the drive device (19-2) of filter cake discharger, knockout drum (20), gas-drying apparatus (21), ultrasonic vibration apparatus (22)；Described filtering revolving body (1), its inner side circumferentially uniform filter pocket formula independence filter element (1-1), described filter pocket formula independence filter element (1-1) is also uniform several sections vertically, its filter pocket depth is 10~500mm, filter pocket formula independence filter element (1-1) is made up of filter pocket (1-1-1) and the filter element (1-1-2) that can be individually replaced, filter element (1-1-2) is laid in filter pocket (1-1-1) bottom, it is fixed in vitro from filtering revolution by fastening bolt, between filter element and filter pocket bottom, sealing gasket is used between fastening bolt and filtering revolving body, filter element (1-1-2) is made up of filter medium (1-1-2-1) and bearing substrate (1-1-2-2), filter medium (1-1-2-1) is elastomer material or metal material, bearing substrate (1-1-2-2) is non-ferrous metal or metal material；Described quiescent center pipe (2) is placed in filtering revolving body (1), its top opens up rectangle receiving opening (2-1), just to filter cake discharge zone (12), pipe connecting flange (2-2) and its companion flange adapter (2-3) are set on rectangular aperture, described pressurized operation gas enters passage (4), treating material enters passage (5), Washing of Filter Cake water enters passage (6), filter element backwash water passing away (7) is inverted to be placed in filtering in the quiescent center pipe (2) of revolving body drive end side, these built-in channels can be single pipeline, or the passage to be formed in central tube (2) using demarcation strip, discharge device (13) is placed in quiescent center pipe (2), it is laid in below rectangle receiving opening (2-1), described discharge device (13) is auger conveyor, it is made up of helical form rotor；Described filtering revolving body (1) is implemented to support with quiescent center pipe (2) by support positioning combined device (3),Positioning,Described support refers to filter on bearing (3-1) inner ring that revolving body is supported in support positioning combined device (3) or in several back-up roller wheels (3-9),The outer ring of bearing (3-1) or several back-up roller wheels are supported in bearing block (3-2),Quiescent center pipe (2) is connected in bearing block (3-2) by the seam of connecting rack (3-3),Quiescent center is set to be in control support,And the center of quiescent center pipe is kept concentric with filtering the center of revolving body,Bearing (3-1) is angular contact ball bearing or taper roll bearing group,Back-up roller wheel (3-9) quantity is 3,It comprises fixing axle,Roller bearing,Described positioning is by the bearing (3-1) in support positioning combined device (3),Bearing block (3-2),Connecting rack (3-3),Filter the revolving body outrigger shaft shaft shoulder (3-4),Bearing inner race gland (3-5),Bearing outer ring gland (3-6),Bearing block gland (3-7),Positioning key (3-8) on quiescent center pipe,Connecting rack alignment pin (3-3-1),Alignment pin (3-2-1) combination is completed on bearing block,Or position by the bearing block (3-2) in support positioning combined device (3),Connecting rack (3-3),Filter revolving body outrigger shaft shaft end (3-10),Thrust plate (3-11) on bearing block,Positioning key (3-8) on quiescent center pipe,Connecting rack alignment pin (3-3-1) combination is completed,Fix one end of filtering revolving body (1) and quiescent center pipe (2),The other end is free；It is outside that described filter (8) is laid in quiescent center pipe (2),That includes multichannel distributor pipe (8-1),Seal shoe group (8-2),Closed hydraulic filtering chamber (8-3),Filter pocket formula independence filter element (1-1),Multichannel distributor pipe (8-1) is connected with material into passage (5),The hollow branch pipe of array (8-1-1) is laid thereon,Charging aperture (8-2-1) is set in seal shoe group (8-2),Charging aperture (8-2-1) is directly socketed on the hollow branch pipe (8-1-1) on multichannel distributor pipe,Several seal ring seal is used on its relative contact surface slided,Seal shoe group (8-2) can make way moving by charging aperture (8-2-1) along the axial direction of hollow branch pipe (8-1-1),Open annular locking device is laid on charging aperture (8-2-1),Can be by seal shoe locking positioning,Hollow branch pipe (8-1-1) is engaged face section configuration with charging aperture (8-2-1) for triangle,Rhombus,Rectangle,Ellipse,It is circular,Each seal shoe group (8-2) in filter (8),It is covered on the filter pocket formula independence filter element (1-1) in filtering revolving body,It is closed female seat board component (8-2-2) just to the one side of filter pocket formula independence filter element (1-1),Closing female seat board component (8-2-2) is made up of two groups of axial arc sealing plates and two groups of radial strut sealing plates,Two groups of axial arc sealing plates can be covered on any two non-conterminous axially spaced gussets of filter pocket formula independence filter element (1-1) in any instant of filtering revolving body rotation,Seal shoe group (8-2) constitutes closed hydraulic filtering chamber (8-3) with filter pocket formula independence filter element (1-1),The gap between axially and radially separation rib in the closing female seat board component (8-2-2) and filter pocket formula independence filter element (1-1) of seal shoe group (8-2),It is adjusted by moving radially seal shoe group (8-2),Gap width is 0.00~1.00mm,The region that seal shoe group is covered is that the angle of two longitudinal center lines and filtering revolving body pivot line of its two groups axial arc sealing plates is 45 °~180 °,Seal shoe group lays several Φ 25mm hollow adapter (8-2-3) on the longitudinal center line of the axial arc sealing plate of filtration cakes torrefaction area (10),It is preferably self-lubricating elastomer to close female seat board component (8-2-2) material；Described Washing of Filter Cake device (9) is made up of sealed pressurization laminar flow washing cavities (9-1) and washing liquid distributor (9-2), sealed pressurization laminar flow washing cavities (9-1) are then made up of the axial arc sealing plate and filter pocket formula independence filter element (1-1) in seal shoe group close to filtration cakes torrefaction area (10) side, it is outside that washing liquid distributor (9-2) is laid in quiescent center pipe (2), and be connected with Washing of Filter Cake liquid into passage (6), multichannel shower (9-2-2) of the washing liquid distributor (9-2) by multichannel branch pipe (9-2-1) and with nozzle is constituted, multichannel branch pipe (9-2-1) is corresponded with seal shoe, it is connected by connection flexible pipe (9-3) with the hollow adapters (8-2-3) of the Φ 25mm on seal shoe；Described seal separating device (11) is by independent filter element (1-1), arc sealing plate (11-1), sliding sleeve adapter (11-2) composition, the companion flange adapter (2-3) that sliding sleeve is taken on (11-2) and quiescent center pipe (2) socket-connects and can be thereon slidably, sliding sleeve is taken on (11-2) sliding surface relative with companion flange adapter (2-3) two and has laid the sealing of twice O shapes, flexible member or pneumatic membrane cavity (2-2-1) have been laid between the end face of flange of sliding sleeve adapter (11-2) and companion flange adapter (2-3) and limitation sliding sleeve takes over the stopping means (2-2-2) of position, each sealing plate on seal separating device is set to keep steady state value automatically always with the gap on the inside of filtering revolving body, it is adjusted by sliding sleeve adapter stopping means (2-2-2), gap is 0.00~0.40mm, arc sealing plate (11-1) material on seal separating device is self-lubricating elastomer；Described filter cake discharge zone (12) is made up of the filter pocket formula independence filter element (1-1) in gas-liquid two-phase passage (18), filtering revolving body, the arc sealing plate (11-1) of seal separating device (11), it is laid in the top on the inside of filtering revolving body, discharging starting point is symmetrical with filtering revolving body cross section vertical center line with terminating point, and both and the angle of filtering revolving body pivot line are 36 °~48 °；Described back flush device (14) is sealed board component (8-2-2), the arc sealing plate (11-1) of seal separating device (11), backwash liquor funnel (14-1), backwash liquor reflow metal hose connector (14-2), filter element backwash water passing away (7) and constituted by the filter pocket formula independence filter element (1-1) in gas-liquid two-phase passage (18), filtering revolving body, the arc of filter (8), it is laid in the pressure chamber in filtering revolving body, close to filter cake discharge zone (12)；Described gas-liquid two-phase switching control head (17) is by quiet dispensing head (17-1), wear-resistant seal piece (17-2), dynamic dispensing head (17-3) and sound dispensing head adjustment spring (17-1-5) are constituted, quiet dispensing head is fixed on the side of the supporting and positioning device (3) of filtering revolving body driving side, dynamic dispensing head is connected on filtering revolving body by bonded, array two-phase access opening is laid thereon, described quiet dispensing head (17-1), wear-resistant seal piece (17-2), the corrective action for adjusting spring (17-1-5) by sound dispensing head between dynamic dispensing head (17-3) forms mechanical sealing surface, described quiet dispensing head (17-1) lays four not connected circular passage grooves in face of the one side of wear-resistant seal piece, according to clockwise, from quiet dispensing head (17-1) end face vertical center line, it is followed successively by device for discharging blowback air circular passage groove (17-1-1), independent filter element backwash liquor circular passage groove (17-1-2), hydraulic filtering pendular ring shape channel slot (17-1-3), liquid phase hybrid loop channel slot (17-1-4) (purifying cleaning solution, gas phase pressure filtration liquid, gas phase dries gas), discharging is laid in quiet dispensing head (17-1) surface with blowback air circular passage groove, it plays initial line and is symmetrical with quiet dispensing head (17-1) end face vertical center line with terminating side, its angle is 27 °；The initial line that rises of filter pocket formula independence filter element backwash liquor circular passage groove is 18 ° with terminating the angle on side, according to clockwise, its angle for playing initial line and vertical center line is 32 °, it is 153 ° that institute's hydraulic filtering pendular ring shape channel slot, which plays initial line with terminating the angle on side, according to clockwise, its angle for playing initial line and vertical center line is 59 °, the initial line that rises of liquid phase hybrid loop channel slot is 18 ° with terminating the angle on side, according to clockwise, its angle for playing initial line and vertical center line is 220.5 °, the quantity of circular passage groove on wear-resistant seal piece (17-2), the orientation of each circular passage groove, structure, it is complete same on angle and quiet dispensing head (17-1), its material is wear-resistant elastomeric, the two-phase number of channels laid on dynamic dispensing head (17-3) is equal with the two-phase number of channels on filtering revolving body and corresponds, and gas-liquid two-phase on the two-phase passage and filtering revolving body on dynamic dispensing head (17-3) it is logical between connection use quick metallic flexible hose；The sealing (15) of described filtering revolving body employs stationary labyrinth sealing (15-1) and inverts the combined sealing structure of floating labyrinth seal (15-2),Is employed in the sealing of described filter cake discharger (13) just put floating labyrinth seal (16),Floating labyrinth seal (15-2) is inverted by moving axis set (15-2-1),Dead axle set (15-2-2),Static seal piece (15-2-3),Floating seal piece (15-2-4),Back-off spring (15-2-5),Gland (15-2-6) is constituted,The side that flange on described static seal piece (15-2-3) is close to floating seal piece (15-2-4) according to the effect of back-off spring (15-2-5) forms mechanical sealing,Slotted hole of the groove width for 3mm is provided with floating seal piece (15-2-4) inner ring for positioning and is floated,The outer shroud of floating seal piece (15-2-4) is cylindrical to be sealed with moving axis set (15-2-1) inner headed face formation floating labyrinth,Its total backlash value is 0.06~0.09mm,Floating seal piece (15-2-4) uses mosaic texture,Its inner ring is because that need to position and spring-loaded,Material is titanium or stainless steel,Its outer shroud is sideways and periphery is sealing surface,Material is self-lubricating non-metallic material,Such as graphite,Described moving axis set (15-2-1) is positioned on filtering revolving body by O rings and bolt,Dead axle set (15-2-2) is positioned on quiescent center pipe by O rings and bolt,Floating labyrinth seal (16) is just being put by moving axis set (16-1),Dead axle set (16-2),Static seal piece (16-3),Floating seal piece (16-4),Back-off spring (16-5),Gland (16-6) is constituted,The side that flange on described static seal piece (16-3) is close to floating seal piece (16-4) according to the effect of back-off spring (16-5) forms mechanical sealing,Slotted hole of the groove width for 3mm is provided with floating seal piece (16-4) outer shroud for positioning and is floated,The inner ring inner circle of floating seal piece (16-4) and the formation floating labyrinth sealing of moving axis set (16-1) periphery,Its total backlash value is 0.06~0.090mm,Floating seal piece (16-4) uses mosaic texture,Its outer shroud is because that need to position and spring-loaded,Material is titanium or stainless steel,Its inner ring side and inner headed face are because being sealing surface,Material is self-lubricating non-metallic material,Such as graphite,Described moving axis set (16-1) is positioned at by O rings and the shaft shoulder on the helical axis of filter cake discharger,Dead axle set (16-2) is positioned on quiescent center pipe (2) by O rings and gland bolt；Described ultrasonic vibration apparatus (22) is laid in material and entered on passage (5) and filter (8), it had both prevented material fouling on the flow dead of these structures, high-energy ultrasound is radiated on filter (8) in closed hydraulic filtering chamber (8-3) again, mashing stirring is carried out to solid-liquid suspension therein or slurry, and accelerated filtration, ultrasonic vibration apparatus is liquid whistle vibration head, electric drive piezoelectric ceramic vibration head, head is vibrated in electric drive magnetostriction, and the super mangneto of electric drive stretches vibration head；Described seal separating device (11) will filter revolving body (1) and be divided into pressure chamber and common pressure chamber, in pressure chamber, according to filtering revolving body operative orientation, since hydraulic filtering, closed hydraulic filtering chamber (8-3), pressurization laminar flow washing cavities (9-1), the multichannel shower (9-2) with nozzle, filtration cakes torrefaction area (10), back flush device (14) have been laid successively, common pressure chamber is laid between filtration cakes torrefaction area (10) and back flush device (14), contains filter cake discharge zone (12) and discharge device (13)；Described gas-liquid two-phase switching control head (17) is connected with knockout drum (20), automatic regeneration formula gas-drying apparatus group (21).Therefore it is of the invention have with existing solid-liquid separation mechanics equipment compared with it is significant it is simple in construction, manufacture, use, easy to maintenance, the advantage of the high and notable energy-conservation of productivity per unit.
4th, illustrate
Fig. 1 rotary pressure filter structures sectional side elevation (revolving body is supported using angular contact ball bearing).
Another structure sectional side elevation of Fig. 2 rotary pressure filters (revolving body is supported using back-up roller wheel).
Each functional device of Fig. 3 rotary pressure filters (area) distributed architecture figure.
Fig. 4 supports positioning combined device (3) structure chart (using ball bearing support).
Fig. 5 supports positioning combined device (3) another structure chart (using back-up roller wheel support).
Fig. 6 filters (8) structure chart.
Fig. 7 filter elements (1-1-2) structural front view.
Fig. 8 filter elements (1-1-2) structure top view.
Fig. 9 Washing of Filter Cake device (9) structure chart.
Figure 10 seal separating devices (11) structure chart.
Figure 11 filter cakes discharge zone (12) structure chart.
Figure 12 filter element back flush device (14) structure chart.
Quiet dispensing head (17-1) structure chart of Figure 13 gas-liquid two-phases switching control head (17).
Wear-resistant seal piece (17-2) structure chart of Figure 14 gas-liquid two-phases switching control head (17).
Dynamic dispensing head (17-3) structure chart of Figure 15 gas-liquid two-phases switching control head (17).
Figure 16 filtering rotator shaft sealings (15) are with inverting floating labyrinth seal structure figure.
Figure 17 filter cake discharger sealings (16) are with just putting floating labyrinth seal structure figure.
Pressed gas is regenerated as unloading the blowback air supply system flow chart of filter cake in Figure 18 filtrates.
5th, embodiment：
A kind of rotary pressure filter of the present invention, architectural feature is embodied in it and material handling process process is as follows：
(one) architectural feature：
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 9, Figure 18, a kind of rotary pressure filter, it is characterized in that its structure includes：Filter revolving body (1), quiescent center pipe (2), support positioning combined device (3), the gas that pressurizes enters passage (4), material enters passage (5), Washing of Filter Cake liquid enters passage (6), filter element backwash water passing away (7), filter (8), Washing of Filter Cake device (9), filtration cakes torrefaction area (10), seal separating device (11), filter cake discharge zone (12), discharge device (13), filter element back flush device (14), filter rotator shaft sealing (15), filter cake discharger sealing (16), gas-liquid two-phase switching control head (17), gas-liquid two-phase passage (18), filtering revolution body drive (19-1), the drive device (19-2) of filter cake discharger, knockout drum (20), gas-drying apparatus (21), ultrasonic vibration apparatus (22).
Referring to Fig. 1, Fig. 2, Fig. 6, Fig. 7, Fig. 8, filter pocket formula independence filter element (1-1) is evenly distributed on the inside of filtering revolving body (1) and uniform several sections vertically；Its filter pocket depth is 10~500mm, preferably 10~300mm；Described filter pocket formula independence filter element (1-1) is made up of filter pocket (1-1-1) and the filter element (1-1-2) that can be individually replaced；Described filter element (1-1-2) is laid in filter pocket (1-1-1) bottom, is fixed in vitro from filtering revolution by fastening bolt；Between filter element and filter pocket bottom, fastening bolt and filtering revolving body between use sealing gasket；Described filter element (1-1-2) is made up of filter medium (1-1-2-1) and bearing substrate (1-1-2-2)；Described filter medium (1-1-2-1) is elastomer material or metal material, preferably PEEK, PTFE, nylon, terylene or stainless steel；Described bearing substrate (1-1-2-2) is non-ferrous metal or metal, preferably titanium or stainless steel.
Referring to Fig. 1, Fig. 2, Fig. 3, Figure 10, quiescent center pipe (2) is placed in filtering revolving body (1), its top opens up rectangle receiving opening (2-1) and just to filter cake discharge zone (12), and pipe connecting flange (2-2) and its companion flange adapter (2-3) are set on rectangular aperture；Described pressurized operation gas enter passage (4), treating material enter passage (5), Washing of Filter Cake water enter passage (6), invert filter element backwash water passing away (7) be placed in filter revolving body drive end side quiescent center pipe (2) in, these built-in channels are preferably single pipeline, discharge device (13) is placed in quiescent center pipe (2), is laid under rectangle receiving opening (2-1)；Described discharge device (13) is auger conveyor, and it is made up of helical form rotor.
Referring to Fig. 1, Fig. 4, Fig. 5, a kind of filtering revolving body (1) of rotary pressure filter implements support, positioning with quiescent center pipe (2) by support positioning combined device (3)；Described support refers to filter on bearing (3-1) inner ring that revolving body is supported in support positioning combined device (3) or in several back-up roller wheels (3-9), the outer ring of bearing (3-1) or several back-up roller wheels are supported in bearing block (3-2), quiescent center pipe (2) is connected in bearing block (3-2) by the seam of connecting rack (3-3), quiescent center is in control support, and the center of quiescent center pipe is kept concentric with filtering the center of revolving body；Described spring bearing (3-1) is angular contact ball bearing or circle roller bearing group；Described back-up roller wheel (3-9) quantity is 3, it comprises fixing axle, roller bearing, and described bearing (3-1) or the lubricating grease of several back-up roller wheels (3-9) is added by oil nozzle (3-2-2).Referring to Fig. 4, described positioning is completed by alignment pin (3-2-1) combination on the positioning key (3-8) on the bearing (3-1) in support positioning combined device (3), bearing block (3-2), connecting rack (3-3), the filtering revolving body outrigger shaft shaft shoulder (3-4), bearing inner race gland (3-5), bearing outer ring gland (3-6), bearing block gland (3-7), quiescent center pipe, connecting rack alignment pin (3-3-1), bearing block；Or referring to the positioning described in Fig. 5 completed by the bearing block (3-2) in support positioning combined device (3), connecting rack (3-3), filtering revolving body outrigger shaft shaft end (3-10), the thrust plate (3-11) on bearing block, the positioning key (3-8) on quiescent center pipe, connecting rack alignment pin (3-3-1) combination；The lubricating grease on thrust plate (3-11) on described bearing block is added by oil nozzle (3-2-3)；One end of described filtering revolving body (1) and quiescent center pipe (2) is fixed, and the other end is free.
Referring to Fig. 1, Fig. 6, a kind of filter of rotary pressure filter (8) is laid in quiescent center pipe (2) outside, and that includes multichannel distributor pipe (8-1), seal shoe group (8-2), closed hydraulic filtering chamber (8-3), filter pocket formula independence filter element (1-1) and good antiscale property ultrasonic vibration apparatus (22)；Described multichannel distributor pipe (8-1) is connected with material into passage (5), and the hollow branch pipe of array (8-1-1) is laid thereon；Charging aperture (8-2-1) is set in described seal shoe group (8-2)；Described charging aperture (8-2-1) is directly socketed on the hollow branch pipe (8-1-1) on multichannel distributor pipe, and several seal ring seal (8-2-1-2) is used on its relative contact surface slided；Described seal shoe group (8-2) can make way moving by charging aperture (8-2-1) along the axial direction of hollow branch pipe (8-1-1)；Open annular locking device is laid on described charging aperture (8-2-1), can be by seal shoe locking positioning；Described hollow branch pipe (8-1-1) is engaged face section configuration with charging aperture (8-2-1) for triangle, rhombus, rectangle, ellipse, circle；Each group of seal shoe group (8-2) in described filter (8), it is covered on the filter pocket formula independence filter element (1-1) in filtering revolving body, it is closing female seat board component (8-2-2) just to the one side of filter pocket formula independence filter element (1-1)；Described closing female seat board component (8-2-2) is made up of two groups of axial arc sealing plates and two groups of radial strut sealing plates, and two groups of described axial arc sealing plates can be covered on any two non-conterminous axially spaced gussets of filter pocket formula independence filter element (1-1) in any instant of filtering revolving body rotation；Described seal shoe group (8-2) constitutes closed hydraulic filtering chamber (8-3) with filter pocket formula independence filter element (1-1)；The gap between axially and radially separation rib in the closing female seat board component (8-2-2) and filter pocket formula independence filter element (1-1) of the seal shoe group (8-2), it is adjusted by moving radially seal shoe, gap width is 0.00~1.00mm, preferably 0.00~0.40mm, more preferably 0.00~0.10mm；The region that described seal shoe group is covered is that the angle of two longitudinal center lines and filtering revolving body pivot line of its two groups axial arc sealing plates is 45 °~180 °, and preferably 120 °~170 °, more excellent is 145 °~165 °；Described seal shoe group lays several Φ 25mm hollow adapter (8-2-3) on the longitudinal center line of the axial arc sealing plate of filtration cakes torrefaction area (10)；Described sealing plate (8-2-2) material is preferably self-lubricating elastomer, such as nylon, PTFE, PEEK.
Referring to Fig. 1, Fig. 9, a kind of Washing of Filter Cake device (9) of rotary pressure filter is made up of sealed pressurization laminar flow washing cavities (9-1) and washing liquid distributor (9-2)；Described sealed pressurization laminar flow washing cavities (9-1) are then made up of the axial arc sealing plate and filter pocket formula independence filter element (1-1) in seal shoe group close to filtration cakes torrefaction area (10) side；Described washing liquid distributor (9-2) is laid in quiescent center pipe (2) outside, and is connected with Washing of Filter Cake liquid into passage (6)；Multichannel shower (9-2-2) of the described washing liquid distributor (9-2) by multichannel branch pipe (9-2-1) and with nozzle is constituted；Described multichannel branch pipe (9-2-1) is corresponded with seal shoe, is connected by connection flexible pipe (9-3) with the hollow adapters (8-2-3) of the Φ 25mm on seal shoe.
Referring to Fig. 1, Figure 10, a kind of seal separating device of rotary pressure filter (11) is made up of independent filter element (1-1), arc sealing plate (11-1), sliding sleeve adapter (11-2)；Described sliding sleeve adapter (11-2) socket-connects with the companion flange adapter (2-3) on quiescent center pipe (2) and can be thereon slidably；Twice O shapes sealing (11-2-1) has been laid on described sliding sleeve adapter (11-2) sliding surface relative with companion flange adapter (2-3) two；Flexible member or pneumatic membrane cavity (2-2-1) have been laid between the end face of flange of described sliding sleeve adapter (1 1-2) and companion flange adapter (2-3) and limitation sliding sleeve takes over the stopping means (2-2-2) of position, each sealing plate on seal separating device is kept steady state value automatically always with the gap on the inside of filtering revolving body；It is adjusted by sliding sleeve adapter stopping means (2-2-2), gap is 0.00~0.40mm, more preferably preferably 0.00~0.20mm, 0.00~0.10mm；Arc sealing plate (11-1) material on described seal separating device is self-lubricating elastomer, such as nylon, PTFE, PEEK.
Referring to Fig. 3, Figure 11, a kind of filter cake discharge zone (12) of rotary pressure filter is made up of the filter pocket formula independence filter element (1-1) in gas-liquid two-phase passage (18), filtering revolving body, the arc sealing plate (11-1) of seal separating device (11), it is laid in the top on the inside of filtering revolving body, discharging starting point is symmetrical with filtering revolving body cross section vertical center line with terminating point, and both and the angle of filtering revolving body pivot line are 36 °~48 °.
Referring to Fig. 3, Figure 12, a kind of back flush device (14) of rotary pressure filter seals board component (8-2-2), the arc sealing plate (11-1) of seal separating device (11), backwash liquor funnel (14-1), backwash liquor reflow metal hose connector (14-2), filter element backwash water passing away (7) by the arc of gas-liquid two-phase passage (18), filter pocket formula independence filter element (1-1), filter (8) and constituted, and is laid in the pressure chamber in filtering revolving body.
Referring to Fig. 4, Figure 13, Figure 14, Figure 15, a kind of gas-liquid two-phase switching control head (17) of rotary pressure filter adjusts spring (17-1-5) by quiet dispensing head (17-1), wear-resistant seal piece (17-2), dynamic dispensing head (17-3) and sound dispensing head and constituted；Described quiet dispensing head is fixed on the side of the support positioning combined device (3) of filtering revolving body driving side；Described dynamic dispensing head is connected on filtering revolving body by bonded, and array gas-liquid two-phase access opening is laid thereon；The corrective action for adjusting spring (17-1-5) by sound dispensing head between described quiet dispensing head (17-1), wear-resistant seal piece (17-2), dynamic dispensing head (17-3) forms mechanical sealing surface；Described quiet dispensing head (17-1) lays four not connected circular passage grooves in face of the one side of wear-resistant seal piece, according to clockwise, from quiet dispensing head (17-1) end face vertical center line, it is followed successively by discharging blowback air circular passage groove (17-1-1), independent filter element backwash liquor circular passage groove (17-1-2), hydraulic filtering pendular ring shape channel slot (17-1-3), liquid phase hybrid loop channel slot (17-1-4) (purifying cleaning solution, gas phase pressure filtration liquid, gas phase dry gas)；Described discharging is laid in quiet dispensing head (17-1) surface with blowback air circular passage groove, it is connected with discharging blowback air adapter (N1), it plays the center line that initial line is symmetrical with discharging blowback air adapter (N1) with terminating side, and an initial line and the angle for terminating side are 27 °；Described filter pocket formula independence filter element backwash liquor circular passage groove is connected with back flush liquid entrance (N2), it is 18 ° that it, which plays initial line with terminating the angle on side, according to clockwise, its angle for playing initial line and discharging blowback air adapter (N1) center line is 32 °；Described hydraulic filtering pendular ring shape channel slot is connected with filtrate outlet (N3), and it is 153 ° that it, which plays initial line with terminating the angle on side, and according to clockwise, its angle for playing initial line and discharging blowback air adapter (N1) center line is 59 °；The mixture outlets (N4) such as described liquid phase hybrid loop channel slot and tail filtrate are connected, it is 18 ° that it, which plays initial line with terminating the angle on side, according to clockwise, its angle for playing initial line and discharging blowback air adapter (N1) center line is 220.5 °；The quantity of circular passage groove on described wear-resistant seal piece (17-2), the orientation of each circular passage groove, structure and, angle with it is complete same on quiet dispensing head (17-1), its material is preferably wear-resistant elastomeric, such as PEEK；Gas-liquid two-phase passage (18) quantity laid on described dynamic dispensing head (17-3) is equal and correspond with gas-liquid two-phase passage (18) quantity on filtering revolving body, and the connection of the gas-liquid two-phase passage (18) on dynamic dispensing head (17-3) and gas-liquid two-phase on filtering revolving body between logical is using quick metallic flexible hose.
Referring to Fig. 1, Figure 16, Figure 17, a kind of sealing (15) of the filtering revolving body (1) of rotary pressure filter employs stationary labyrinth sealing (15-1) and inverts the combined sealing structure of floating labyrinth seal (15-2)；The described floating labyrinth seal (15-2) that inverts is made up of moving axis set (15-2-1), dead axle set (15-2-2), static seal piece (15-2-3), floating seal piece (15-2-4), back-off spring (15-2-5), gland (15-2-6).The side that flange on described static seal piece (15-2-3) is close to floating seal piece (15-2-4) according to the effect of back-off spring (15-2-5) forms mechanical sealing；Slotted hole of the groove width for 3mm is provided with floating seal piece (15-2-4) inner ring for positioning and is floated, the outer shroud of floating seal piece (15-2-4) is cylindrical to be sealed with moving axis set (15-2-1) inner headed face formation floating labyrinth；Its total backlash value is 0.06~0.09mm, and floating seal piece (15-2-4) uses mosaic texture, and its inner ring is because that need to position and spring-loaded, material titanium or stainless steel the most, its outer shroud side and periphery are because being sealing surface, and material is self-lubricating non-metallic material, such as graphite.Described moving axis set (15-2-1) is positioned on filtering revolving body by O rings and bolt, and dead axle set (15-2-2) is positioned on quiescent center pipe by O rings and bolt；Referring to Figure 13, Figure 14, Figure 15, is employed in the sealing of the filter cake discharger (13) of the rotary pressure filter just put floating labyrinth seal (16)；Described floating labyrinth seal (16) of just putting is made up of moving axis set (16-1), dead axle set (16-2), static seal piece (16-3), floating seal piece (16-4), back-off spring (16-5), gland (16-6).The side that flange on described static seal piece (16-3) is close to floating seal piece (16-4) according to the effect of back-off spring (16-5) forms mechanical sealing；Slotted hole of the groove width for 3mm is provided with floating seal piece (16-4) outer shroud for positioning and is floated, inner ring inner circle and moving axis set (16-1) periphery formation floating labyrinth of floating seal piece (16-4) are sealed；Its total backlash value is 0.06~0.090mm, and floating seal piece (16-4) uses mosaic texture, and its outer shroud is because that need to position and spring-loaded, material is titanium or stainless steel, its inner ring side and inner headed face are because being sealing surface, and material is self-lubricating non-metallic material, such as graphite.Described moving axis set (16-1) is positioned at by O rings and the shaft shoulder on the helical axis of filter cake discharger, and dead axle set (16-2) is positioned on quiescent center pipe (2) (feeding screw shell) by O rings and gland bolt.
Referring to Fig. 1, Fig. 3, Fig. 6, Figure 10, a kind of rotary pressure filter will filter revolving body (1) by seal separating device (11) and be divided into pressure chamber and common pressure chamber.In pressure chamber, according to filtering revolving body operative orientation, since hydraulic filtering, closed hydraulic filtering chamber (8-3), pressurization laminar flow washing cavities (9-1), the multichannel shower (9-2) with nozzle, filtration cakes torrefaction area (10), back flush device (14) are sequentially distributed；Common pressure chamber is laid between filtration cakes torrefaction area (10) and back flush device (14), contains discharge zone (12) and discharge device (13).
Referring to Fig. 3, Figure 11, Figure 18, a kind of gas-liquid two-phase switching control head (17) of rotary pressure filter is via filtrate outlet (N3), mixture outlet (N4) is connected tail filtrate (containing gas phase) with knockout drum (20), then is connected with automatic regeneration formula gas-drying apparatus group (21).
Referring to Fig. 3, Fig. 6, a kind of ultrasonic vibration apparatus of rotary pressure filter (22) is laid in material and entered on passage (5) and filter (8), it had both prevented material fouling on the flow dead of these structures, make its uniform concentration distribution, high-energy ultrasound is radiated on filter (8) in closed hydraulic pressure filter chamber (8-3) again, mashing stirring and accelerated filtration are carried out to suspension therein or slurry.Ultrasonic vibration apparatus is liquid whistle vibration head, electric drive piezoelectric ceramic vibration head, electric drive magnetostriction vibration head, and the preferably super mangneto of electric drive stretches vibration head.
(2), material handling process process：
Referring to Fig. 1, Fig. 3, Fig. 9, Figure 18, a kind of filtering revolving body (1) of rotary pressure filter rotates under drive device (19-1) driving, the screw feeder of discharge device (13) rotates under drive device (19-2) driving, pending solid-liquid suspension or slurry enter passage (5) through treating material from charging aperture (N0) and entered in closed hydraulic filtering chamber (8-3), utilize the malleation operation principle of plate and frame type filter-press, gaseous pressure is substituted as main filtered driving force using own hydraulic coupling, after hydraulic filtering, into in closed pressurization laminar flow washing cavities (9-1), washed through hydraulic pressure laminar-flow type, spray washing again through the nozzle on multichannel shower (9-2-2), then through gas phase pressure filtration, gas phase dries continuous process, finally enter common pressure chamber (filter cake discharge zone (12)), through gas phase blowback, filter cake is fallen into discharge device (13), screw feeder in discharge device (13) continuously discharges the filter cake fallen into.Filtrate is then flowed out from inside to outside from the bottom of each independent filter element in filtering revolving body through pressure effect, it is pooled to again through gas-liquid two-phase passage (18) in gas-liquid two-phase switching control head (17), continuously discharged through the mixture outlet (N4) such as filtrate outlet (N3) and tail filtrate (containing gas phase), backwash water passes through gas-liquid two-phase switching control head (17), entered from gas-liquid two-phase passage (18) in back flush device (14), continuous back flush is implemented to the filter pocket formula independence filter element (1-1) in filtering revolving body, remove small plugging particle therein.Filter pocket formula independence filter element (1-1) after discharging enters back into closed hydraulic filtering chamber (8-3) filtering for completing subsequent cycle after back flush device (14) back flush.Washing of Filter Cake liquid is introduced from detergent entrance (N8) is beaten again, a Washing of Filter Cake liquid part is entered in sealed pressurization laminar flow washing cavities (9-1) by the multichannel branch pipe (9-2-1) washed on liquid distributor (9-2), pressurization laminar-flow type is carried out to the filter cake after filtering to wash for the first time, another part of Washing of Filter Cake liquid is then sprayed from the nozzle on multichannel shower (9-2-2), and second of spray washing is carried out to the filter cake for entering filtration cakes torrefaction area (10) after first time washs；Filter-press (elimination cleaning solution) and filtration cakes torrefaction gas are introduced from filter-press gas entrance (N6)；Discharging blowback air is introduced from discharging blowback air adapter (N1)；Back flush liquid used by filter pocket formula independence filter element (1-1) is introduced from adapter (N2), and is discharged from interface (N7)；High-energy ultrasound is introduced from interface (N5).Utilize the knockout drum (20) and gas-drying apparatus (21) being connected with the mixture outlet (N4) such as the tail filtrate (contain gas phase) on gas-liquid two-phase switching control head (17), make the gas from gas-liquid two-phase switching control head (17) discharge with mother liquor, after knockout drum (20) gas-liquid separation, a part of gas is used as discharging source of the gas after being dried again through gas-drying apparatus (21), it is as first new discharging source of the gas used of driving, enter from the filter cake blowback air entrance (N1) that unloads on gas-liquid two-phase switching control head (17), enter through gas-liquid two-phase passage (18) in filter cake discharge zone (12), continuous reversely blow unloads filter cake, it is set to fall into filter cake discharger (13) and be continuously vented.Using being laid in material into the ultrasonic vibration apparatus (22) on passage (5) and filter (8), both material fouling on the flow dead of these structures had been prevented, high-energy ultrasound is radiated on filter (8) in closed hydraulic filtering chamber again, mashing washing and accelerated filtration are carried out to the solid-liquid suspension in filtering or slurry, going round and beginning again for process above process, implements the continuous separation to solid-liquid suspension or slurry, a kind of working speed of the filtering revolving body of rotary pressure filter of the present invention for 30 turns/per hour~1800 turn/per hour, Washing of Filter Cake liquid is different with slurry properties depending on the solid-liquid suspension that need to be separated, optional acid, solvent, water；Operating temperature is -30~270 DEG C；Operating pressure is 0.2kg/cm2~20kg/cm2 gauge pressures；Filtration pressure difference is 0.5kg/cm2~10kg/cm2.
Symbol, concept, unit explanation used in the present invention：kg：Kilogram；NM3：Standard cubic meter；KW：Kilowatt；h：Hour；
Claims (4)
1. a kind of rotary pressure filter, is characterized in that its structure includes：Filter revolving body (1), quiescent center pipe (2), support positioning combined device (3), the gas that pressurizes enters passage (4), material enters passage (5), Washing of Filter Cake liquid enters passage (6), filter element backwash water passing away (7), filter (8), Washing of Filter Cake device (9), filtration cakes torrefaction area (10), seal separating device (11), filter cake discharge zone, discharge device, filter element back flush device (14), filter rotator shaft sealing (15), filter cake discharger sealing (16), gas-liquid two-phase switching control head (17), gas-liquid two-phase passage (18), filtering revolution body drive (19-1), the drive device (19-2) of filter cake discharger, knockout drum (20), gas-drying apparatus (21), ultrasonic vibration apparatus (22)；Described filtering revolving body (1), its inner side is evenly distributed filter pocket formula independence filter element (1-1), described filter pocket formula independence filter element (1-1) is also uniform several sections vertically, its filter pocket depth is 10~500mm, filter pocket formula independence filter element (1-1) is made up of filter pocket (1-1-1) and the filter element (1-1-2) that can be individually replaced, filter element (1-1-2) is laid in filter pocket (1-1-1) bottom, it is fixed in vitro from filtering revolution by fastening bolt, between filter element and filter pocket bottom, sealing gasket is used between fastening bolt and filtering revolving body, filter element (1-1-2) is made up of filter medium (1-1-2-1) and bearing substrate (1-1-2-2), filter medium (1-1-2-1) is PEEK, PTFE, nylon, terylene or stainless steel, bearing substrate (1-1-2-2) is titanium or stainless steel；Described quiescent center pipe (2) is placed in filtering revolving body (1), its top opens up rectangle receiving opening (2-1), just to filter cake discharge zone (12), pipe connecting flange (2-2) and its companion flange adapter (2-3) are set on rectangular aperture, described pressurized operation gas enters passage (4), treating material enters passage (5), Washing of Filter Cake water enters passage (6), filter element backwash water passing away (7) is inverted to be placed in filtering in the quiescent center pipe (2) of revolving body drive end side, these built-in channels can be single pipeline, or the passage to be formed in central tube (2) using demarcation strip, discharge device (13) is placed in quiescent center pipe (2), it is laid in below rectangle receiving opening (2-1), described discharge device (13) is auger conveyor, it is made up of helical form rotor；Described filtering revolving body (1) is implemented to support with quiescent center pipe (2) by support positioning combined device (3),Positioning,Described support refers to filter on bearing (3-1) inner ring that revolving body is supported in support positioning combined device (3) or in several back-up roller wheels (3-9),The outer ring of bearing (3-1) or several back-up roller wheels are supported in bearing block (3-2),Quiescent center pipe (2) is connected in bearing block (3-2) by the seam of connecting rack (3-3),Quiescent center is set to be in control support,And the center of quiescent center pipe is kept concentric with filtering the center of revolving body,Bearing (3-1) is angular contact ball bearing or taper roll bearing group,Back-up roller wheel (3-9) quantity is 3,It comprises fixing axle,Roller bearing,Described positioning is by the bearing (3-1) in support positioning combined device (3),Bearing block (3-2),Connecting rack (3-3),Filter the revolving body outrigger shaft shaft shoulder (3-4),Bearing inner race gland (3-5),Bearing outer ring gland (3-6),Bearing block gland (3-7),Positioning key (3-8) on quiescent center pipe,Connecting rack alignment pin (3-3-1),Alignment pin (3-2-1) combination is completed on bearing block,Or position by the bearing block (3-2) in support positioning combined device (3),Connecting rack (3-3),Filter revolving body outrigger shaft shaft end (3-10),Thrust plate (3-11) on bearing block,Positioning key (3-8) on quiescent center pipe,Connecting rack alignment pin (3-3-1) combination is completed,Fix one end of filtering revolving body (1) and quiescent center pipe (2),The other end is free；It is outside that described filter (8) is laid in quiescent center pipe (2),That includes multichannel distributor pipe (8-1),Seal shoe group (8-2),Closed hydraulic filtering chamber (8-3),Filter pocket formula independence filter element (1-1),Multichannel distributor pipe (8-1) is connected with material into passage (5),The hollow branch pipe of array (8-1-1) is laid thereon,Charging aperture (8-2-1) is set in seal shoe group (8-2),Charging aperture (8-2-1) is directly socketed on the hollow branch pipe (8-1-1) on multichannel distributor pipe,Several seal ring seal is used on its relative contact surface slided,Seal shoe group (8-2) can make way moving by charging aperture (8-2-1) along the axial direction of hollow branch pipe (8-1-1),Open annular locking device is laid on charging aperture (8-2-1),Can be by seal shoe locking positioning,Hollow branch pipe (8-1-1) is engaged face section configuration with charging aperture (8-2-1) for triangle,Rhombus,Rectangle,Ellipse,It is circular,Each seal shoe group (8-2) in filter (8),It is covered on the filter pocket formula independence filter element (1-1) in filtering revolving body,It is closed female seat board component (8-2-2) just to the one side of filter pocket formula independence filter element (1-1),Closing female seat board component (8-2-2) is made up of two groups of axial arc sealing plates and two groups of radial strut sealing plates,Two groups of axial arc sealing plates can be covered on any two non-conterminous axially spaced gussets of filter pocket formula independence filter element (1-1) in any instant of filtering revolving body rotation,Seal shoe group (8-2) constitutes closed hydraulic filtering chamber (8-3) with filter pocket formula independence filter element (1-1),The gap between axially and radially separation rib in the closing female seat board component (8-2-2) and filter pocket formula independence filter element (1-1) of seal shoe group (8-2),It is adjusted by moving radially seal shoe group (8-2),Gap width is 0.00~1.00mm,The region that seal shoe group is covered is that the angle of two longitudinal center lines and filtering revolving body pivot line of its two groups axial arc sealing plates is 45 °~180 °,Seal shoe group lays several Φ 25mm hollow adapter (8-2-3) on the longitudinal center line of the axial arc sealing plate of filtration cakes torrefaction area (10),Closing female seat board component (8-2-2) material is nylon,PTFE,PEEK；Described Washing of Filter Cake device (9) is made up of sealed pressurization laminar flow washing cavities (9-1) and washing liquid distributor (9-2), sealed pressurization laminar flow washing cavities (9-1) are then made up of the axial arc sealing plate and filter pocket formula independence filter element (1-1) in seal shoe group close to filtration cakes torrefaction area (10) side, it is outside that washing liquid distributor (9-2) is laid in quiescent center pipe (2), and be connected with Washing of Filter Cake liquid into passage (6), multichannel shower (9-2-2) of the washing liquid distributor (9-2) by multichannel branch pipe (9-2-1) and with nozzle is constituted, multichannel branch pipe (9-2-1) is corresponded with seal shoe, it is connected by connection flexible pipe (9-3) with the hollow adapters (8-2-3) of the Φ 25mm on seal shoe；Described seal separating device (11) is by independent filter element (1-1), arc sealing plate (11-1), sliding sleeve adapter (11-2) composition, the companion flange adapter (2-3) that sliding sleeve is taken on (11-2) and quiescent center pipe (2) socket-connects and can be thereon slidably, sliding sleeve is taken on (11-2) sliding surface relative with companion flange adapter (2-3) two and has laid the sealing of twice O shapes, flexible member or pneumatic membrane cavity (2-2-1) have been laid between the end face of flange of sliding sleeve adapter (11-2) and companion flange adapter (2-3) and limitation sliding sleeve takes over the stopping means (2-2-2) of position, each sealing plate on seal separating device is set to keep steady state value automatically always with the gap on the inside of filtering revolving body, it is adjusted by sliding sleeve adapter stopping means (2-2-2), gap is 0.00~0.40mm, arc sealing plate (11-1) material on seal separating device is nylon, PTFE, PEEK；Described filter cake discharge zone (12) is made up of the filter pocket formula independence filter element (1-1) in gas-liquid two-phase passage (18), filtering revolving body, the arc sealing plate (11-1) of seal separating device (11), it is laid in the top on the inside of filtering revolving body, discharging starting point is symmetrical with filtering revolving body cross section vertical center line with terminating point, and both and the angle of filtering revolving body pivot line are 36 °~48 °；Described back flush device (14) is sealed board component (8-2-2), the arc sealing plate (11-1) of seal separating device (11), backwash liquor funnel (14-1), backwash liquor reflow metal hose connector (14-2), filter element backwash water passing away (7) and constituted by the filter pocket formula independence filter element (1-1) in gas-liquid two-phase passage (18), filtering revolving body, the arc of filter (8), it is laid in the pressure chamber in filtering revolving body, close to filter cake discharge zone (12)；Described gas-liquid two-phase switching control head (17) is by quiet dispensing head (17-1),Wear-resistant seal piece (17-2),Dynamic dispensing head (17-3) and sound dispensing head adjustment spring (17-1-5) are constituted,Quiet dispensing head is fixed on the side of the supporting and positioning device (3) of filtering revolving body driving side,Dynamic dispensing head is connected on filtering revolving body by bonded,Array two-phase access opening is laid thereon,Described quiet dispensing head (17-1),Wear-resistant seal piece (17-2),The corrective action for adjusting spring (17-1-5) by sound dispensing head between dynamic dispensing head (17-3) forms mechanical sealing surface,Described quiet dispensing head (17-1) lays four not connected circular passage grooves in face of the one side of wear-resistant seal piece,According to clockwise,From quiet dispensing head (17-1) end face vertical center line,It is followed successively by device for discharging blowback air circular passage groove (17-1-1),Independent filter element backwash liquor circular passage groove (17-1-2),Hydraulic filtering pendular ring shape channel slot (17-1-3),Liquid phase hybrid loop channel slot (17-1-4),Discharging is laid in quiet dispensing head (17-1) surface with blowback air circular passage groove,It plays initial line and is symmetrical with quiet dispensing head (17-1) end face vertical center line with terminating side,Its angle is 27 °,The initial line that rises of filter pocket formula independence filter element backwash liquor circular passage groove is 18 ° with terminating the angle on side,According to clockwise,Its angle for playing initial line and vertical center line is 32 °,It is 153 ° that institute's hydraulic filtering pendular ring shape channel slot, which plays initial line with terminating the angle on side,,According to clockwise,Its angle for playing initial line and vertical center line is 59 °,The initial line that rises of liquid phase hybrid loop channel slot is 18 ° with terminating the angle on side,According to clockwise,Its angle for playing initial line and vertical center line is 220.5 °,The quantity of circular passage groove on wear-resistant seal piece (17-2),The orientation of each circular passage groove,Structure,It is complete same on angle and quiet dispensing head (17-1),Its material is PEEK,The two-phase number of channels laid on dynamic dispensing head (17-3) is equal with the two-phase number of channels on filtering revolving body and corresponds,And gas-liquid two-phase on the two-phase passage and filtering revolving body on dynamic dispensing head (17-3) it is logical between connection use quick metallic flexible hose；The sealing (15) of described filtering revolving body employs stationary labyrinth sealing (15-1) and inverts the combined sealing structure of floating labyrinth seal (15-2),Is employed in the sealing of described filter cake discharger (13) just put floating labyrinth seal (16),Floating labyrinth seal (15-2) is inverted by moving axis set (15-2-1),Dead axle set (15-2-2),Static seal piece (15-2-3),Floating seal piece (15-2-4),Back-off spring (15-2-5),Gland (15-2-6) is constituted,The side that flange on described static seal piece (15-2-3) is close to floating seal piece (15-2-4) according to the effect of back-off spring (15-2-5) forms mechanical sealing,Slotted hole of the groove width for 3mm is provided with floating seal piece (15-2-4) inner ring for positioning and is floated,The outer shroud of floating seal piece (15-2-4) is cylindrical to be sealed with moving axis set (15-2-1) inner headed face formation floating labyrinth,Its total backlash value is 0.06~0.09mm,Floating seal piece (15-2-4) uses mosaic texture,Its inner ring is because that need to position and spring-loaded,Material is titanium or stainless steel,Its outer shroud is sideways and periphery is sealing surface,Material is graphite,Described moving axis set (15-2-1) is positioned on filtering revolving body by O rings and bolt,Dead axle set (15-2-2) is positioned on quiescent center pipe by O rings and bolt,Floating labyrinth seal (16) is just being put by moving axis set (16-1),Dead axle set (16-2),Static seal piece (16-3),Floating seal piece (16-4),Back-off spring (16-5),Gland (16-6) is constituted,The side that flange on described static seal piece (16-3) is close to floating seal piece (16-4) according to the effect of back-off spring (16-5) forms mechanical sealing,Slotted hole of the groove width for 3mm is provided with floating seal piece (16-4) outer shroud for positioning and is floated,The inner ring inner circle of floating seal piece (16-4) and the formation floating labyrinth sealing of moving axis set (16-1) periphery,Its total backlash value is 0.06~0.090mm,Floating seal piece (16-4) uses mosaic texture,Its outer shroud is because that need to position and spring-loaded,Material is titanium or stainless steel,Its inner ring side and inner headed face are because being sealing surface,Material is graphite,Described moving axis set (16-1) is positioned at by O rings and the shaft shoulder on the helical axis of filter cake discharger,Dead axle set (16-2) is positioned on quiescent center pipe (2) by O rings and gland bolt；Described ultrasonic vibration apparatus (22) is laid in material and entered on passage (5) and filter (8), it had both prevented material fouling on the flow dead of these structures, high-energy ultrasound is radiated on filter (8) in closed hydraulic filtering chamber (8-3) again, mashing stirring is carried out to solid-liquid suspension therein or slurry, and accelerated filtration, ultrasonic vibration apparatus is liquid whistle vibration head, electric drive piezoelectric ceramic vibration head, electric drive magnetostriction vibration head, the super mangneto of electric drive stretch vibration head.
2. a kind of rotary pressure filter according to claim 1, it is characterized in that seal separating device (11), which will filter revolving body (1), is divided into pressure chamber and common pressure chamber, in pressure chamber, according to filtering revolving body operative orientation, since hydraulic filtering, it is sequentially distributed closed hydraulic filtering chamber (8-3), pressurize laminar flow washing cavities (9-1), multichannel shower (9-2) with nozzle, filtration cakes torrefaction area (10), back flush device (14), common pressure chamber is laid between filtration cakes torrefaction area (10) and back flush device (14), contain filter cake discharge zone (12) and discharge device (13).
3. a kind of rotary pressure filter according to claim 1, it is characterized in that described gas-liquid two-phase switching control head (17) is connected with knockout drum (20), automatic regeneration formula gas-drying apparatus group (21).
4. a kind of rotary pressure filter according to claim 1, it is characterized in that the working speed of filtering revolving body for 30 turns/per hour~1800 turn/per hour, solid-liquid suspension or slurry properties depending on that need to separate is different, Washing of Filter Cake liquid is chosen as sour, organic and inorganic solvent, water, operating temperature can be 0~270 DEG C, and operating pressure is 0.1kg/cm2~30kg/cm2Gauge pressure, filtration pressure difference is 0.5kg/cm2~10kg/cm2, production capacity is 100kg/h~120000kg/h butts.
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| CN2010101751739A CN101829449B (en) | 2010-05-18 | 2010-05-18 | Rotary pressure filter |
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| CN2010101751739A CN101829449B (en) | 2010-05-18 | 2010-05-18 | Rotary pressure filter |
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| CN101829449B true CN101829449B (en) | 2012-09-19 |
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| CN102417871B (en) * | 2011-12-16 | 2013-04-24 | 乌毡帽酒业有限公司 | Separation system for brewing wine |
| CN103007627A (en) * | 2012-12-24 | 2013-04-03 | 杨建民 | Compound fertilizer slurry centrifugal filter using melt method |
| CN103486262A (en) * | 2013-09-17 | 2014-01-01 | 常州君华特种工程塑料制品有限公司 | Polyether-ether-ketone sealing partition for filter unit in petroleum industry and manufacturing method |
| AT514597B1 (en) * | 2013-10-11 | 2015-02-15 | Andritz Ag Maschf | Filter for continuously filtering a suspension under pressure |
| CN103785527B (en) * | 2014-01-24 | 2016-06-08 | 中国科学院生态环境研究中心 | Ultrasonic rolling washing unit |
| CN104743695B (en) * | 2014-11-26 | 2017-05-17 | 蒋子厚 | Improved elliptic fold solid-liquid separation equipment |
| SE539045C2 (en) * | 2015-09-16 | 2017-03-28 | Valmet Oy | Washing arrangement for the treatment of cellulose pulp |
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| CN207562467U (en) * | 2017-03-22 | 2018-07-03 | 天华化工机械及自动化研究设计院有限公司 | Isolated location and rotary pressure filter |
| CN106964190B (en) * | 2017-03-31 | 2022-09-23 | 王光华 | Rotary pressure filter |
| CN108181871B (en) * | 2018-01-19 | 2020-05-26 | 黑龙江工业学院 | Method for controlling filtering device by computer |
| CN109435185B (en) * | 2018-10-24 | 2021-02-26 | 歌尔光学科技有限公司 | Cavity-separating material taking device for multi-cavity products |
| CN109957033B (en) * | 2019-04-17 | 2021-05-04 | 湖南省德美农业发展有限公司 | Starch extraction equipment |
| CN110606905A (en) * | 2019-09-16 | 2019-12-24 | 北京泽阳天成化工技术有限公司 | Polypropylene production process and production device |
| CN115445290A (en) * | 2022-09-13 | 2022-12-09 | 天华化工机械及自动化研究设计院有限公司 | Method for reducing moisture content of filter cake of pressure filter |
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| SE451948B (en) * | 1985-05-02 | 1987-11-09 | Hedemora Ab | FILTER FOR CONTINUOUS FILTERING UNDER PRESSURE OF A SUSPENSION |
| CN85105930B (en) * | 1985-07-30 | 1988-05-04 | 煤炭工业部兖州煤矿设计研究院 | Continuous filter press of tube type for tailing |
| CN1030434C (en) * | 1987-04-14 | 1995-12-06 | 化学工业部上海化工研究院 | Mechanical extruding type continuous filter press |
| JP2000254418A (en) * | 1999-03-12 | 2000-09-19 | Tsukishima Kikai Co Ltd | Pressure drum filter |
| CN1257001C (en) * | 2001-01-03 | 2006-05-24 | 安德里茨技术资产管理有限公司 | Rotary filter with a blowback valve |
| CN201231106Y (en) * | 2008-06-10 | 2009-05-06 | 丹东北方环保工程有限公司 | Drum type spiral grid squeezer |
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