CN201249070Y - Equipment for separating liquid phase materials from slurry - Google Patents
Equipment for separating liquid phase materials from slurry Download PDFInfo
- Publication number
- CN201249070Y CN201249070Y CNU2008201155207U CN200820115520U CN201249070Y CN 201249070 Y CN201249070 Y CN 201249070Y CN U2008201155207 U CNU2008201155207 U CN U2008201155207U CN 200820115520 U CN200820115520 U CN 200820115520U CN 201249070 Y CN201249070 Y CN 201249070Y
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- China
- Prior art keywords
- chute
- mud
- compartment
- rotary drum
- liquid phase
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
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- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses equipment (10) for separating liquid phase materials from slurry, which comprises a rotating drum type filter (12), wherein the rotating drum type filter is provided with a circumferential filtrating wall (26) and a plurality of circumferential vanes (28). At least one annular spacing wall (32/34) is installed in the rotating drum type filter (12), so as to form a sequential slurry baffle installed between two drum type filtrating compartments (36 and 38/38 and 40) axially adjacent on the circumferential filtrating wall (26). A chute (44/46) is arranged in the first one of the adjacent drum type filtrating compartments (36/38), thus the slurry is conveyed through the circumferential vanes (28) of the first drum type filtrating compartment (36/38) upwards and is discharged on the chute (44/46), the chute causes slurry to get across the annular spacing wall (32/34) to be discharged onto the circumferential filtrating walls (26) of the adjacent drum type filtrating compartments (38/40). The equipment can effectively dispose large slurry throughput and is easy to maintain.
Description
Technical field
The utility model is usually directed to a kind of equipment that is used for separating liquid phase thing (liquid phase) from mud (slurry, slurry), particularly, is used for the slag charge mortar that slag charge granulation workshop produces is dewatered.The utility model more specifically refers to comprise the equipment of rotary drum filter, and described rotary drum filter is around central axis rotation level or that tilt a little.Described rotary drum filter comprises periphery filter wall and a plurality of periphery blade, described periphery blade is placed on the interior periphery filter wall of described rotary drum filter, is driven and centers on the described rotary drum filter of box lunch and can upwards transport mud when its central axis rotates.Mud (promptly, solid suspension in the liquid) feed end by rotary drum filter is fed in the described rotary drum filter, the liquid phase thing (promptly, filter liquor) the periphery filter wall by rotary drum filter, and the discharge end of the mud (that is filter residue) that concentrates by rotary drum filter is discharged to described rotary drum filter outside.
Background technology
For example, in following U.S. patent 4,204,855,4,289,519,4,477,349,4,493,767 and 4,518,498, disclosed and be used for such equipment that the slag charge mortar that metallurgical slag charge granulation workshop produces is dewatered.The equipment of this prior art comprises axially by the band conveyer of rotary drum filter and the supply pipe that extends below band conveyer.On the whole length of rotary drum filter, this supply pipe is distributed in mud on the periphery filter wall in the rotary drum filter bottom.When rotary drum filter is driven and during around the rotation of its central axis, the periphery blade upwards transports mud so that mud emission is to band conveyer the most at last.
Should be appreciated that all approaching easily in order to guarantee band conveyer and rotary drum inside, more specifically, in order to safeguard, band conveyer must be easily removes from the inside of this drum filter.For example in U.S. patent N ° 4,477,349, disclosed and from drum filter, removed specially designed band conveyer to being easy to.Yet, certainly, this special band conveyer than the band conveyer costliness of standard many.
Above-mentioned rotary drum filter (typically having up to 6 meters diameter with up to 8 meters length) per minute can be handled and surpass 10 tons slag charge mortar.Luxembourg patents LU90307 has described the rotary drum filter of the simplification with less dehydration capacity.The rotary drum filter of this simplification is supported with cantilever (cantilever) form by the hollow axle journal at its feed end, and has big center discharge ports at its second end.In this rotary drum filter inside, in the discharge areas of periphery blade, be provided with the fixed discharge chute.Supply pipe pass that the hollow axle journal stretches into rotary drum filter and below the discharging chute with on the periphery filter wall of mud emission in the rotary drum filter bottom.When this drum filter during around the rotation of its central axis, the periphery blade upwards transport mud in case with mud emission to the discharging chute.Then, the discharging chute arrives this drum filter outside by floss hole with the mud emission that concentrates.Should be appreciated that, big if desired dehydration capacity, promptly big mud handling capacity, then this cantilever style rotary drum filter is inappropriate.
The utility model content
The purpose of this utility model provides a kind of being used for from the equipment of mud separating liquid, and this equipment can be handled big mud handling capacity effectively, and still, it still is easy to safeguard comparatively speaking.This purpose realized from the equipment of mud separating liquid by a kind of being used for that the utility model provides.
In order to overcome above-mentioned problem, the utility model provides a kind of and is used for from the equipment of mud separating liquid, this equipment comprises rotary drum filter with known form own, and described rotary drum filter is installed into so that can be around central axis rotation level or that tilt a little.This rotary drum filter comprises periphery filter wall and a plurality of periphery blade, and these periphery blades are placed on the periphery filter wall in the rotary drum filter, is driven and can upwards transport mud during around the central axis rotation with convenient rotary drum filter.In this equipment, mud is supplied in the rotary drum filter at the feed end place of this equipment, and the liquid phase thing is by the periphery filter wall, and the mud that concentrates is discharged from the discharge end place of this equipment.Be characterised in that according to equipment of the present utility model, in rotary drum filter, be mounted with at least one annular space wall, so that filter the continuous baffle plate of the mud between the compartment being formed for two axial adjacent drum-types on the periphery filter wall, wherein, be mounted with chute in adjacent drum-type filtration compartment first, thereby be placed in that first drum-type filters that periphery blade in the compartment upwards transports mud and with mud emission to this chute, this chute makes mud cross one of annular space wall and is discharged into adjacent drum-type and filters on the periphery filter wall in the compartment.
Should be appreciated that, in according to equipment of the present utility model, mud must filter compartment by the drum-type of at least two axially spaced-aparts before being discharged into the rotary drum filter outside, wherein, filter compartment from a drum-type and filter compartment to another drum-type, the liquid component of mud reduces, and therefore, total efficiency of separation improves substantially.Therefore, for guarantee with LU90307 in the rotary drum filter of the prior art that discloses have same separative efficiency, can rotate quickly according to the rotary drum filter in the equipment of the present utility model.In addition, because the mud handling capacity of this equipment is directly proportional with the rotating speed of its drum filter, so the growth of rotating speed must cause the increase of mud throughput capacity.Similar conclusion also is applicable to according to equipment of the present utility model and U.S. patent 4,289, the comparison between the prior art equipment of type disclosed in 519 (that is, having band conveyer and the axial equipment that passes through the mud supply pipe of rotary drum filter).Therefore owing to have identical total drum filter size and a suitable separative efficiency, according to the mud handling capacity of equipment of the present utility model greater than U.S. patent 4,289, the mud handling capacity of the prior art equipment of type disclosed in 519.Last but be not least importantly, with U.S. patent 4,289, the prior art equipment of 519 disclosed types is directly compared, also have extra advantage according to equipment of the present utility model, that is, equipment of the present utility model does not need axially to pass through the band conveyer and the supply pipe of rotary drum filter.Especially should be appreciated that do not have this band conveyer to make and easier this equipment is safeguarded.
Advantageously, rotary drum filter comprises drum-type filtering outlet compartment in its discharge end, this drum-type filtering outlet compartment has the outlet chute that is arranged on wherein, thereby being placed in periphery blade in the drum-type filtering outlet compartment upwards transports mud and it is discharged on the outlet chute, described outlet chute to the rotary drum filter outside, preferably is discharged into concentrated mud emission on the band conveyer that is positioned at the rotary drum filter outside fully.Replacedly, band conveyer can stretch into drum-type filtering outlet compartment by the end, thereby should the periphery blade of outlet in compartment with the mud emission that concentrates to this end of band conveyer (promptly, with for example U.S. patent 4,289, the prior art equipment of type disclosed in 519 is opposite, and this band conveyer is also non axial by whole drum formula filter).
Should be appreciated that, embodiment with the mud emission that will concentrate outlet chute to the band conveyer that is positioned at the rotary drum filter outside fully has extra advantage, that is, band conveyer needn't be placed in rotary drum filter central axis extend axially the part in.In other words, the longitudinal axis of band conveyer can limit any angle between 0 ° and 180 ° with respect to the vertical neutral surface (that is the vertical plane that, comprises the rotation of rotary drum filter) of rotary drum filter; Wherein, near 180 ° angles mean band conveyer be positioned at rotary drum filter below so that (with respect to the carriage direction of rotary drum filter) mud of transmit concentrating backward.In a word, has the angle between 10 ° and 180 ° between the longitudinal axis that technique scheme for example can make band conveyer and the vertical neutral surface of rotary drum filter, and this is impossible for for example prior art equipment of type disclosed in the U.S. patent 4,289,519.
Advantageously, rotary drum filter comprises drum-type filtration inlet compartment at its feed end, and described drum-type is filtered the inlet compartment and had the inlet compartment chute that is arranged on wherein.The mud supply pipe stretches into this drum-type and filters in the inlet compartment, filters in the inlet compartment so that below mud is fed to described drum-type at this chute.The periphery blade is placed in drum-type and filters in the inlet compartment, upwards to transport mud and it be discharged on the inlet compartment chute, described inlet compartment chute is placed in drum-type and filters in the inlet compartment, is discharged into adjacent drum-type and filters on the periphery filter wall in the compartment so that make mud cross one of annular space wall.
Advantageously, the chute in the above-mentioned drum-type filtration inlet compartment comprises permeable slidingsurface for liquid.Because along with mud has entered liquid that adjacent drum-type filters compartment still less together, thereby this chute also further improves the separative efficiency of equipment.
If pending mud discharges or produces gas or the steam that has contaminated air danger, then advantageously, rotary drum filter is contained in the outer cover of sealing.In this " complete closed " equipment, rotary drum filter advantageously comprises the first hollow axle journal that axially passes through the opening in the outer cover at its feed end, and wherein, first sealing device provides seal channel for the opening that the first hollow axle journal passes in the outer cover.This first hollow axle journal is supported in first spring bearing in described outer cover outside, and the cylindrical part of mud supply pipe axially passes this hollow axle journal and stretches into drum-type and filter in the inlet compartment, and wherein second sealing device provides seal channel for the cylindrical part of mud supply pipe passes the first hollow support axle journal.In this embodiment, the spring bearing on the rotary drum filter supply side is able to good protection, in order to avoid direct contact corrosion gas and steam and approaching easily so that safeguard.This embodiment guarantees that also the mud supply pipe stretches into drum-type hermetically and filters in the inlet compartment.
In a preferred embodiment, this equipment comprises and is arranged in each chute and the common support structure that several drum-types are filtered compartments that these chutes are supported in the described common support structure pivotly.When these chutes have been pivoted in the position that is in basic horizontal in advance, can this common support structure and these chutes be extracted out together vertically by the opening in the discharge end of rotary drum filter.Therefore, can easily these chutes be removed from rotary drum filter, so that replace and/or be easier near periphery filter wall and periphery blade, particularly, the purpose that is used to safeguard.
If rotary drum filter is contained in the outer cover of sealing, advantageously, this rotary drum filter comprises second axle journal that axially passes through the opening in the outer cover in its discharge end, and wherein, first sealing device provides seal channel for the opening that second axle journal passes in the outer cover.Thereby this second axle journal is supported in second spring bearing in the outer cover outside.In this embodiment, the spring bearing on the waste side also is able to good protection, in order to avoid directly contact corrosion gas and steam and safeguard easily.In addition, if this embodiment comprises common support structure (several chutes are supported in the described together support structure), the cylindrical support axle journal that then rotatably is supported in the cylindrical cavity of second axle journal can be with the waste side support member that acts on the common support structure.
As the drive unit that is used for rotary drum filter, can use the drive motors that for example has driving-chain or have the rotating driving device that is connected directly to the free-ended power transmission shaft of this drum filter axle journal.
Advantageously, the preferred embodiment of this equipment comprises: the outer cover of sealing, rotary drum filter are contained in the outer cover of this sealing; Band conveyer is positioned at the outside of the outer cover of sealing; The loading hopper that is used for band conveyer, wherein, this loading hopper stretches into outer cover with sealing means near the discharge end of rotary drum filter; And the outlet chute, this outlet chute with the mud emission that concentrates in loading hopper.Should be appreciated that this band conveyer that is positioned at the rotary drum filter outside fully can be the band conveyer of standard, certainly, this standard band conveyer is than U.S. patent N ° 4, what disclose in 477,349 extracts (withdrawable, detachable) band conveyer cheapness out.In addition, in the outer cover outside of sealing, band conveyer is able to good protection, in order to avoid direct contact corrosion gas and steam and approaching easily to safeguard.Advantageously, the size of band conveyer and loading hopper is formed into so that in normal running, and the mud layer that concentrates remains in the loading hopper and with respect to main breakthrough point (breakthrough) the sealing loading hopper of gas and steam.In addition, the mud that loading hopper collect to concentrate is discharged into the mud that concentrates on the band conveyer equably, and is configured for a kind of buffer storage of avoiding band conveyer to overflow.
Advantageously, rotary drum filter comprises the intermediate compartment that has the intermediate compartment chute.Advantageously, this intermediate compartment chute can comprise slidingsurface at an upper portion thereof, and this slidingsurface is permeable for the liquid phase thing.Liquid phase thing catch tray is placed in this permeable slidingsurface below.Liquid phase thing tapping equipment is connected to liquid phase thing catch tray, is discharged into the preceding drum-type and filters in the compartment so that will be collected in wherein liquid phase thing.Because the liquid of the permeable slidingsurface by chute is discharged into the preceding drum-type and filters in the compartment (in this compartment, the content liquid of mud is higher), therefore this chute also further improves the separative efficiency of equipment.
In another advantageous embodiment of this equipment, between two axial adjacent drum-types filtration compartments, be provided with circumferential liquid phase thing discharge-channel.The chute that drum-type is filtered in the compartment comprises permeable slidingsurface for the liquid phase thing at least at an upper portion thereof.Liquid phase thing catch tray is placed in the below of this permeable slidingsurface.Liquid phase thing tapping equipment is connected to liquid phase thing catch tray, and the liquid phase thing that is used for being collected in this liquid phase thing catch tray is discharged in the circumferential liquid phase thing discharge-channel.Because the liquid of the permeable slidingsurface by chute directly is discharged into the outside of rotary drum filter by circumferential liquid phase thing discharge-channel, therefore this chute also further improves the separative efficiency of equipment.
Be also to be noted that and in these chutes one or more can be connected to vibrating mechanism, this help mud along chute slide and chute on fluid separation applications.
Can handle big mud handling capacity effectively and be easy to maintenance according to this equipment of the present utility model.
Description of drawings
Further details of the present utility model and advantage will be from below with reference to displaying the detailed description of accompanying drawing to several non-limiting embodiment, wherein:
Fig. 1 is the longitudinal sectional drawing according to first embodiment of equipment of the present utility model;
Fig. 2 is the cross-sectional view of the equipment of Fig. 1;
Fig. 3 is the longitudinal sectional drawing similar to the longitudinal sectional drawing of Fig. 1, shows the chute supporting construction that can extract out;
Fig. 4 is the longitudinal sectional drawing of the equipment of Fig. 3, shows the chute supporting construction of extracting out in retrieving position;
Fig. 5 is the longitudinal sectional drawing according to second embodiment of equipment of the present utility model;
Fig. 6 is the longitudinal sectional drawing according to the 3rd embodiment of equipment of the present utility model;
Fig. 7 is the details plane of Fig. 6; And
Fig. 8 is the longitudinal sectional drawing according to the 4th embodiment of equipment of the present utility model.
The specific embodiment
At first see figures.1.and.2, with the basic structure of describing according to equipment 10 of the present utility model.This equipment 10 can be used for usually from the mud separating liquid.Its slag charge mortar that has been designed for clearly producing in the slag charge granulation workshop relevant with blast furnace plant dewaters.
In the embodiment in figure 1, for the liquid phase thing of mud impermeable substantially (promptly, impermeable for water in this case) two annular space walls 32,34 are placed in the rotary drum filter 12, so that being divided into three drum-types vertically, rotary drum filter filters compartment, that is: inlet compartment 36, intermediate compartment 38 and outlet compartment 40.In these spaced walls 32,34 each forms on the inboard of periphery filter wall 26 along the continuous baffle plate of circumferential direction (barrage), and the anti-sealing of these baffle plates flows into the compartment of direct neighbor from a compartment.Particularly, the anti-sealing of the baffle plate that is formed by annular space wall 32 flows into the intermediate compartment 38 from inlet compartment 36, and the anti-sealing of baffle plate that forms by annular space wall 34 therefrom compartment 38 flow into and export in the compartments 40.Should be noted that central axis can tilt a little with respect to the feed end of this drum filter, so that water flows along the direction of feed end all the time.If drum filter has near the truncated cone of the diameter maximum feed end of this drum filter, then can realize similar effect.
Should be appreciated that, replace three drum filtration compartments 36,38,40, rotary drum filter can have only two drum filtration compartments (promptly, the rotary drum filter 12 of Fig. 1 can for example have only inlet compartment 36 not have intermediate compartment 38 with outlet compartment 40), perhaps rotary drum filter can have the drum filtration compartment (that is, the equipment of Fig. 1 can for example have the intermediate compartment 38 more than between inlet compartment 36 and outlet compartment 40) more than three.The compartment that rotary drum filter 12 has is many more, and separating effect (that is dehydrating effect) is just good more.Be to be further noted that from inlet compartment 36 to outlet compartment 40, drum filtration compartment 36,38,40 axial width can reduce, and this is because along with the liquid phase thing separates from mud gradually, the volume of the pending mud from a compartment to another compartment reduces.
If pending mud discharges gas or the steam that has contaminated air danger, then rotary drum filter 12 advantageously is contained in the closed cover 52.Rotary drum filter 12 comprises the first hollow axle journal 54 that axially passes through the opening in the closed cover 52 at its feed end.This first hollow axle journal 54 is supported in first spring bearing 56 in closed cover 52 outsides.Reference number 58 identifies first sealing device, and described sealing device provides seal channel for the opening that the first hollow axle journal that rotates passes in the closed cover 52.Mud supply pipe 20 has and axially passes the cylindrical tube part that the first hollow axle journal 54 enters drum filter inlet compartment 36.Second sealing device 60 provides seal channel for the first hollow axle journal 54 that this cylindrical part of supply pipe 20 passes rotation.Appropriate sealing means 58, the 60th, for example be in lippacking, expandable seal and/or water curtain or air curtain in the annular space, described annulus makes the edge separation of the opening in the first hollow axle journal 54 and the closed cover 52 of rotation or separate with the cylindrical outer surface of cylindrical supply pipe 20.Therefore, should be noted that the spring bearing 56 on the supply side of rotary drum filter is able to good protection, in order to avoid direct contact corrosion gas and steam and approaching easily so that safeguard.This embodiment guarantees that also mud supply pipe 20 extend in the drum filter inlet compartment hermetically.In addition, as schematically showing among Fig. 2, the first hollow support axle journal 54 can for example be connected to drive motors 62 by driving-chain 64 in the outside of closed cover 52.Therefore, rotating driving device also is able to good protection, in order to avoid direct contact corrosion gas and steam, and approaching easily so that safeguard.
In the embodiment in figure 1, rotary drum filter 12 comprises the second hollow axle journal 66 in its discharge end, the axle journal that the described second hollow axle journal has is greater than the diameter of the first hollow axle journal 54, and the described second hollow axle journal is supported in closed cover 52 in second spring bearing 68.Outlet chute 48 will take off the mud emission of water to rotary drum filter 12 outsides by the central opening 69 in the second hollow axle journal 66.
Now, with reference to Fig. 3 and Fig. 4, description is used to provide easily near the inside of rotary drum filter 12 and/or the favourable solution of chute 44,46,48.These chutes 44,46,48 are supported in the common support structure 76 pivotly, thereby these chutes can be pivoted to the position that is in basic horizontal.With chute 44,46,48 be pivoted to the position that is in this basic horizontal after, by the central opening 69 in the second hollow axle journal 66, common support structure 76 and chute 44,46,48 axially can be retracted to rotary drum filter 12 outsides together.The supply side support member 77 that is used for common support structure 76 front ends is placed in fixing mud supply pipe 20.The waste side support member 78 that is used for common support structure 76 is placed in central opening 69 places of rotary drum filter 12 outsides near the second hollow axle journal 66, so that support the rear end of common support structure 76 when the common support structure is in its operating position in rotary drum filter 12.Be used for outside that the auxiliary supports 79 of common support structure 76 is placed in rotary drum filter 12 apart from waste side support member 78 a distance, so that when the common support structure is retracted to rotary drum filter 12 outsides fully, support the rear end of common support structure 76.Replace being used for the several separate support member 77,78,79 of common support structure 76, the common support structure also can have continuous track (not shown), guiding together support structure 76 in described track.Still should be noted that common support structure 76 can be equipped with is used for chute 44,46,48 vibrating mechanism (not shown).
The outlet compartment that equipment 10 ' shown in Fig. 5 and not existing together of the equipment 10 shown in Fig. 1 mainly are rotary drum filter 12 ' and the design of the second hollow axle journal.The frustum of a cone attachment structure 80 that wherein has big periphery floss hole is connected to the second hollow axle journal 66 ' with present outlet compartment 40 ', have periphery filter wall 26 and periphery blade 28 in the described outlet compartment, internal diameter that the described second hollow axle journal has and external diameter are basically less than the internal diameter and the external diameter of the second hollow axle journal 66 in Fig. 1 equipment 10.Should be noted that the second hollow axle journal 66 ' similar to the first hollow axle journal 54 axially is supported in second spring bearing 68 ' by the opening in the closed cover 52 and in closed cover 52 outsides.Reference number 82 identifies first sealing device, and described first sealing device provides seal channel for the opening that the second hollow axle journal 66 ' that rotates passes in the closed cover 52.
Should be appreciated that second spring bearing 68 ' can have littler diameter and therefore more cheap than second spring bearing 68 in Fig. 1 equipment, this is because the outlet chute 48 in Fig. 1 equipment needn't take off the mud of water by the 66 ' discharging of the second hollow axle journal.In fact, in the equipment of Fig. 5, outlet chute 48 will take off the mud emission of water in loading hopper 70 by the big periphery floss hole in the frusto-conical configuration 80.In addition, because second spring bearing 68 ' is positioned at the outside of closed cover 52, so this spring bearing 68 ' is not exposed in the possible corrosive gas or steam in the closed cover 52.It should further be appreciated that, embodiment by Fig. 5, after frusto-conical configuration and cylindrical support axle journal 84 in the second hollow support axle journal 66 ' that is supported on rotation are separated, one of big periphery floss hole by frusto-conical configuration 80 can easily will have chute 44,46,48 common support structure 76 is extracted out.
In the embodiment of Fig. 5, the drive motors 86 that is equipped with reduction gear box 88 is used to make drum filter 12 around its central axis 14 rotations.The rotary drive unit 86,88 that is positioned at closed cover 52 outsides fully comprises power transmission shaft 89, and this power transmission shaft directly connects the free end outside the closed cover 52 of stretching out of the second hollow axle journal 66 '.
The specific embodiment of chute is described with Fig. 6 and Fig. 7 now.Inlet compartment chute 44 ' comprises for the permeable slidingsurface 90 of liquid phase thing (that is water).This slidingsurface 90 can for example be made of expanded metal.As shown in Figure 6, water from the chute bottom side fall the inlet compartment 36 the bottom mud on.In intermediate compartment chute 46 ', only top comprises permeable slidingsurface 92 for the liquid phase thing.Liquid phase thing catch tray 94 is placed in below permeable slidingsurface 92.The liquid phase thing that catch tray 94 is collected by permeable slidingsurface 92.Liquid phase thing letdown tank 96 is connected to the bottom of liquid phase thing catch tray 94, is discharged into the preceding in the drum filter inlet compartment 36 so that will be collected in wherein liquid phase thing.Fig. 7 shows has two discharge end 98 ', 98 " groove 96 how to make the liquid phase thing of on the either side of the discharge end 100 of compartment chute 44 ', collecting cross first spaced walls 32 to be discharged in the inlet compartment 36.Still should be noted that groove 96 also can only have a discharge end or even can be replaced by one or more delivery pipe.Under situation about being replaced by one or more delivery pipe, the bottom of catch tray 94 advantageously is designed to gatherer, and each in these delivery pipes is connected to this gatherer.
Fig. 8 shows another embodiment according to equipment of the present utility model.This equipment is different from Fig. 1, Fig. 5 or equipment part shown in Figure 6 is, this equipment comprises two axial adjacent drum-types and filtering between the compartment the circumferential liquid phase thing discharge-channel 102 of (herein, for example, between intermediate compartment 38 and outlet compartment 40).This liquid phase thing discharge-channel 102 can be for example forms by the spaced walls 103 with double-walled, and described have the spaced walls alternative of double-walled such as second spaced walls 34 among Fig. 1, Fig. 5 or Fig. 6.Chute 104 has the top that comprises permeable slidingsurface 106 for liquid at least.Liquid phase thing catch tray 108 is placed in below permeable slidingsurface 106, is used to collect the liquid by permeable slidingsurface 106.Yet, opposite with the chute 46 ' among Fig. 6, being collected in water in the liquid phase thing catch tray 108 is not discharged into the preceding in the drum filtration compartment 36, but be discharged in the circumferential liquid phase thing discharge-channel 102, chute 104 makes mud cross circumferential liquid discharge channel and is discharged into next drum filtration compartment (being outlet compartment 40 herein).Water flows directly into liquid phase thing collecting box (not shown) from this circumferential liquid phase thing discharge-channel 102, and this liquid phase thing collecting box is positioned at below the rotary drum filter 12.Should be appreciated that if rotary drum filter 12 comprises the intermediate compartment 38 more than, then this scheme especially attracts people's attention.In addition, when the scheme that will be implemented on chute 46 ' among Fig. 6 be implemented on Fig. 8 in the scheme of chute 104 when comparing, should be appreciated that the length of permeable slidingsurface in chute 104 can be longer than the length in chute 46 ' for the liquid phase thing.In fact, in chute 104, the bottom of liquid phase thing catch tray 108 can just be positioned at the top of circumferential liquid phase thing discharge-channel 102.
The drawing reference numeral explanation:
10 10 ' equipment 68 68 ' second spring bearing
12 12 ' central opening of rotary drum filter 69 in 68
14 12 central axis 70 is used for 24 loading hopper
The mud layer that concentrates in the arrow 72 70 of the direction of rotation of 16 expressions 12
18 mud 74 blast pipes to be drained off
20 mud supply pipes 76 76 ' the common support structure
22 took off the mud 77 supply side support members of water at least in part
24 band conveyers, 78 waste side support members
26 periphery filter wall, 79 auxiliary supports
28 periphery blades, 80 frustum of a cone attachment structures
30 scraper bowls 82 66 ' on first sealing device
The cylindrical support end of 32 first annular space walls 84 76
34 second annular space walls, 86 drive motors (among Fig. 5)
36 inlet compartments, 88 reduction gear boxes
38 intermediate compartment, 89 power transmission shafts
40 40 ' outlet compartment 90 44 ' slidingsurface
44 inlet compartment chutes 92 46 ' slidingsurface
46 46 ' intermediate compartment chute 94 liquid phase thing catch traies
48 outlet chutes, 96 liquid phase thing letdown tanks
50 20 the port of export 98 ' 98 " 96 discharge end
52 closed covers 100 44 ' discharge end
54 first hollow axle journals, 102 circumferential liquid phase thing discharge-channels
56 first spring bearings 103 have the spaced walls of double-walled
58 first sealing devices, 104 chutes (among Fig. 8)
Permeable cunning for liquid of 60 second sealing devices 106 104
Moving surface
62 drive motors, 108 liquid phase thing catch traies
64 driving-chains
66 66 ' the second hollow axle journal.
Claims (15)
1. one kind is used for from the equipment (10) of mud separation liquid phase thing, and described equipment comprises:
Rotary drum filter (12), described rotary drum filter are installed into around central axis (14) rotation level or that tilt a little, and described rotary drum filter (12) comprising:
Periphery filter wall (26); And
A plurality of periphery blades (28) are placed in the described rotary drum filter (12) and are positioned on the described periphery filter wall (26), are driven and can upwards transport mud during around described central axis (14) rotation with the described rotary drum filter of box lunch (12);
Wherein, mud is provided in the described rotary drum filter (12) by feed end, and the liquid phase thing is by described periphery filter wall (26), and the mud that concentrates is discharged into described rotary drum filter (12) outside at the discharge end place;
It is characterized in that, in described rotary drum filter (12), be mounted with at least one annular space wall (32/34), so that at the continuous baffle plate that is formed for the mud between two axial adjacent drum-types filtration compartments (36,38/38,40) on the described periphery filter wall (26); And in first described adjacent drum-type filtration compartment (36/38), be mounted with chute (44/46), thereby be placed in that this first drum-type filters that described periphery blade (28) in compartment (36/38) upwards transports mud and with mud emission to described chute (44/46), described chute makes mud cross one of annular space wall (32/34) and is discharged into adjacent drum-type and filters on the periphery filter wall (26) in the compartment (38/40).
2. equipment according to claim 1, it is characterized in that, described rotary drum filter (12) comprises drum-type filtering outlet compartment (40) at its discharge end place, be mounted with outlet chute (48) in the described drum-type filtering outlet compartment, thereby be placed in that periphery blade (28) in the described drum-type filtering outlet compartment (40) upwards transports mud and with mud emission to described outlet chute (48), described outlet chute is discharged to described rotary drum filter (12) outside with the mud that concentrates.
3. equipment according to claim 1 is characterized in that:
Described rotary drum filter (12) comprises drum-type filtration inlet compartment (36) at its feed end place, described drum-type is filtered and is mounted with inlet compartment chute (44) in the inlet compartment;
Mud supply pipe (20) stretches into described drum-type and filters in the inlet compartment (36), filters in the inlet compartment (36) so that below described chute mud is fed to described drum-type; And, be placed in that described drum-type filters that periphery blade (28) in the inlet compartment (36) upwards transports mud and with mud emission to described inlet compartment chute (44), described inlet compartment chute is positioned in described drum-type and filters in the inlet compartment (36), is discharged in the adjacent drum-type filtration compartment so that make mud cross a described annular space wall (32).
4. equipment according to claim 3 is characterized in that:
The chute that described drum-type is filtered in the inlet compartment comprises permeable slidingsurface for the liquid phase thing.
5. equipment according to claim 3 is characterized in that:
Described rotary drum filter (12) is contained in the outer cover (52) of sealing;
Described rotary drum filter (12) comprises the first hollow axle journal (54) of the opening that axially passes in the described outer cover (52) at its feed end place, wherein, the described opening that passes in the described outer cover (52) for the described first hollow axle journal (54) of first sealing device (58) provides seal channel;
The described first hollow axle journal (54) is supported in first spring bearing (56) in described outer cover (52) outside; And
The cylindrical part of described mud supply pipe (20) passes described hollow axle journal vertically and enters in the described drum-type filtration inlet compartment, wherein, second sealing device is that the described cylindrical part of described mud supply pipe (20) passes the described first hollow support axle journal (54) seal channel is provided.
6. equipment according to claim 1 is characterized in that, comprising:
Chute (44,46,48) is positioned at several drum-types and filters in each of compartment (36,38,40);
Common support structure (76), described chute (44,46,48) be supported on pivotly in the described common support structure, when described chute (44,46, when 48) being pivoted in the position that is in basic horizontal, described common support structure (76) and described chute (44,46,48) can be extracted out together vertically by the opening in the described discharge end of described rotary drum filter (12).
7. equipment according to claim 1 is characterized in that:
Described rotary drum filter (12) is contained in the outer cover (52) of sealing;
Described rotary drum filter (12) comprises second axle journal (66 ') of the opening that passes vertically in the described outer cover (52) at its discharge end place, wherein, the described opening that passes in the described outer cover (52) for described second axle journal (66 ') of first sealing device (82) provides seal channel;
Described second axle journal (66 ') has the free end that is supported in second spring bearing outside described outer cover (52).
8. equipment according to claim 7 is characterized in that, comprising:
Chute (44,46,48) is positioned at several drum-types and filters in the compartment (36,38,40);
Common support structure (76), described chute (44,46,48) is supported in the described common support structure;
Cylindrical support axle journal (84) rotatably is supported in the cylindrical cavity of described second axle journal (66 '); Wherein, described cylindrical support axle journal (84) is fixed in the rear end of described common support structure (76 ') and as the waste side support member of described common support structure.
9. equipment according to claim 8 is characterized in that:
The free end of described second axle journal (66 ') is connected directly to driving shaft (89).
10. equipment according to claim 2 is characterized in that, further comprises:
Band conveyer (24) is positioned at described rotary drum filter (12) outside, and described outlet chute (48) discharges on described band conveyer (24).
11. equipment according to claim 10 is characterized in that, the longitudinal axis of described band conveyer is with respect to the angle of vertical neutral surface qualification between 10 ° to 180 ° of described rotary drum filter.
12. equipment according to claim 2 is characterized in that, further comprises:
The outer cover (52) of sealing, described rotary drum filter (12) is contained in the outer cover of described sealing;
Band conveyer (24) is positioned at outside the outer cover (52) of described sealing;
The loading hopper (70) that is used for described band conveyer (24), described loading hopper (70) stretches in the described outer cover (52) with sealing means near the described discharge end of described rotary drum filter (12), and described outlet chute (48) arrives the mud emission that concentrates in the described loading hopper (70);
Wherein, the size of described band conveyer (24) and described loading hopper (70) is formed into that the mud layer (72) that make to concentrate is retained in the described loading hopper (70) and seals described loading hopper with respect to the main breakthrough point of gas and steam.
13., it is characterized in that according to any one described equipment in the claim 1 to 12:
Described rotary drum filter (12) comprises the intermediate compartment (38) with intermediate compartment chute (46 ');
Described intermediate compartment chute (46 ') comprises permeable slidingsurface (92) for the liquid phase thing at an upper portion thereof;
In described permeable slidingsurface (92) positioned beneath liquid phase thing catch tray (94) is arranged; And
Liquid phase thing tapping equipment (96) is connected to described liquid phase thing catch tray (94), is discharged into the preceding drum-type and filters in the inlet compartment (36) so that will be collected in liquid phase thing in the described liquid phase thing catch tray.
14., it is characterized in that according to any one described equipment in the claim 1 to 12:
Between two axial adjacent drum-types filtration compartments (38 and 40), be provided with circumferential liquid phase thing discharge-channel (102);
The chute (104) that drum-type is filtered in the compartment (38) comprises permeable slidingsurface (106) for the liquid phase thing at least in this chute top;
Be provided with liquid phase thing catch tray (108) in described permeable slidingsurface (106) below; And
Liquid phase thing tapping equipment is connected to described liquid phase thing catch tray (108), and the liquid phase thing that is used for being collected in described liquid phase thing catch tray is discharged in the described circumferential liquid phase thing discharge-channel (102).
15., it is characterized in that described chute (44 according to any one described equipment in the claim 1 to 12; 46; 48) at least one in is connected to vibrating mechanism.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU91439A LU91439B1 (en) | 2008-05-19 | 2008-05-19 | Apparatus for separating a liquid phase from a slurry |
| LU91439 | 2008-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201249070Y true CN201249070Y (en) | 2009-06-03 |
Family
ID=40219892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201155207U Expired - Lifetime CN201249070Y (en) | 2008-05-19 | 2008-07-14 | Equipment for separating liquid phase materials from slurry |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201249070Y (en) |
| LU (1) | LU91439B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111606544A (en) * | 2020-04-24 | 2020-09-01 | 嘉兴绿方舟环保技术有限公司 | Rolling type drum dehydrator |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230694B (en) * | 2013-05-10 | 2015-04-01 | 河北科技大学 | Solid-liquid separation all-in-one machine for extracting juice of flowers and grasses |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2196793A (en) * | 1937-08-20 | 1940-04-09 | Jesse E Hall | Fluid screen |
| GB1218910A (en) * | 1969-02-24 | 1971-01-13 | Leon George Feterl | Cleaning and sorting machine for particulate materials |
| NZ205530A (en) * | 1983-09-08 | 1987-02-20 | Contra Shear Holdings | Rotary drum screen with circumferential wedge-shaped wires |
-
2008
- 2008-05-19 LU LU91439A patent/LU91439B1/en active
- 2008-07-14 CN CNU2008201155207U patent/CN201249070Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111606544A (en) * | 2020-04-24 | 2020-09-01 | 嘉兴绿方舟环保技术有限公司 | Rolling type drum dehydrator |
Also Published As
| Publication number | Publication date |
|---|---|
| LU91439B1 (en) | 2009-11-20 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090603 |