Utility model content
Goal of the invention of the present utility model is: the disposal ability load-bearing capacity low, anti-existed for rotary press filter in prior art is poor, system is easily whitewashed, process after the higher problem of obtained moisture content of the cake, a kind of rotary press filter is provided, the disposal ability of this rotary press filter is improved, anti-load-bearing capacity is strong, it can be avoided that whitewashing, and the moisture content of obtained mud cake can be reduced.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of rotary press filter, including housing, this housing is provided with charging aperture and discharging opening, and discharging opening is positioned at the top position of charging aperture;
Above-mentioned enclosure interior is additionally provided with runner, and the entrance and exit of this runner connects with above-mentioned charging aperture and discharging opening respectively.
In rotary press filter described in the utility model, housing is provided with charging aperture and discharging opening, and discharging opening is positioned at the top position of charging aperture, and the entrance and exit of runner connects with charging aperture and discharging opening respectively, it can thus be appreciated that, rotary press filter described in the utility model is that mud is dehydrated by the mode using bottom in and top out, i.e. mud enters runner from the charging aperture being positioned at lower position, the discharging opening output from position above of the mud after processed, such method of operation makes described rotary pressure filtration function bear the pressure of higher (30 ~ 40KPa), the disposal ability and the anti-load-bearing capacity that are characterized as described rotary press filter are all improved, it can be avoided that whitewashing phenomenon;It addition, use bottom in and top out the method for operation make material can by carrying out predrainage under the effect of gravity, such be designed with help reduce mud cake moisture content.
In rotary press filter described in the utility model, the bottom of above-mentioned housing is additionally provided with filtrate (liquid, it is simple to the sewage in mud is discharged from filtrate (liquid under gravity.
As preferred version of the present utility model, above-mentioned enclosure interior is provided with net-filter assembly and flow path member, and this flow path member surrounds above-mentioned runner with net-filter assembly.
When the materials such as general mud are with during radially into described rotary press filter, material in runner is mobile to the terminal (i.e. discharging opening) of runner by means of frictional force and the inlet pressure of net-filter assembly outer surface, in moving process, in material, a part of liquid is discharged through net-filter assembly through filtrate outlet, and the mud cake that material obtains after the process in runner is tangentially to leave described rotary press filter, complete the material processing procedure of whole bottom in and top out, thus improve the disposal ability of described rotary press filter and anti-load-bearing capacity, it also is able to avoid the generation of whitewashing phenomenon, additionally aid the moisture content reducing mud cake.
It is further preferred that above-mentioned enclosure interior is provided with transmission mechanism;The power intake of this transmission mechanism connects drive mechanism, and the clutch end of this transmission mechanism is connected with net-filter assembly transmission.
When described rotary press filter works, drive mechanism drives transmission mechanism to rotate, because net-filter assembly is connected with transmission mechanism transmission, therefore net-filter assembly rotates as well as the rotation of transmission mechanism, so that material can be mobile to the terminal (i.e. discharging opening) of runner by the frictional force between screen surface and this transmission mechanism outer surface in runner.It follows that this transmission mechanism not only acts as the effect of transmission net-filter assembly, and net-filter assembly can also be coordinated to order about material and to move in runner, to complete the material processing procedure of bottom in and top out.
It is further preferred that above-mentioned net-filter assembly includes the first filter screen and the second filter screen.
In rotary press filter described in the utility model, the left side of flow path member and right side surround above-mentioned runner with the second filter screen and the first filter screen respectively, i.e. first filter screen and the second filter screen constitute two planes of runner, the intrados of flow path member constitutes the annular end face of runner, after material enters runner, material is mobile to the terminal (i.e. discharging opening) of runner by means of the first filter screen, the frictional force of the second screen surface and inlet pressure;In moving process, in material, a part of liquid is discharged through filter screen through filtrate outlet, and the mud cake obtained after processing material will leave described rotary press filter from discharging opening, completes the material processing procedure of whole bottom in and top out.It follows that this first filter screen and the second filter screen not only act as the effect of filter material, and material can also be ordered about under the cooperation of transmission mechanism and move with the material processing procedure completing bottom in and top out in runner.
The most preferably, above-mentioned transmission mechanism is to be positioned at the main shaft within runner, and the power intake of this main shaft is connected with above-mentioned drive mechanism transmission, and the clutch end of this main shaft is in transmission connection with above-mentioned net-filter assembly.
Being provided with central dividing plate between above-mentioned first filter screen and the second filter screen, this central dividing plate is connected with above-mentioned spindle drive.This central dividing plate primarily serves the effect that the first filter screen and the second filter screen keep apart to be formed above-mentioned runner, and without central dividing plate, then the first filter screen and the second filter screen can fit together, and cause forming runner, are unfavorable for the carrying out that sludge dewatering works.
When described rotary press filter works, drive mechanism can drive main axis, because central dividing plate is connected with spindle drive, therefore central dividing plate and net-filter assembly all can rotate along with the rotation of main shaft, complete the driving force transmission in whole material processing procedure.
It is further preferred that the top of above-mentioned flow path member is provided with mud extraction baffle plate.
The most preferably, above-mentioned mud extraction baffle plate is by air cylinder driven.
In rotary press filter described in the utility model, mud extraction baffle plate is by air cylinder driven, and this cylinder is arranged on housing, when the power that mud extraction baffle plate is applied by the material in runner by the pressure of mud extraction baffle plate more than cylinder, this mud extraction baffle plate can be opened, and the mud cake in runner is outside discharging opening discharges described rotary press filter;It follows that use air cylinder driven mud extraction baffle plate, the most described rotary press filter realizes automatically working.
More it is further preferred that above-mentioned enclosure interior is provided with gear clod.
More it is further preferred that above-mentioned discharging opening is between gear clod and mud extraction baffle plate.
In rotary press filter described in the utility model, discharging opening is between gear clod and mud extraction baffle plate, when the material after processing prepares to discharge from discharging opening, mud extraction baffle plate and gear clod all can produce strong extruding to material, in material, remaining moisture can be extruded and pass through net-filter assembly discharge, reduce further the moisture content of obtained mud cake.
More it is further preferred that above-mentioned gear clod is provided with flushing machine.
Flushing machine is set in gear clod, the most just net-filter assembly can be carried out continuous flushing, to ensure that net-filter assembly each cycle all has good strainability, meanwhile, moreover it is possible to by sewage remaining in runner or wash dirt and discharge from filtrate (liquid.
More it is further preferred that above-mentioned enclosure interior is additionally provided with taper block;This taper block is connected with above-mentioned gear clod top, and the internal diameter of runner tapers into the discharging opening place of setting from taper block installation place.
In rotary press filter described in the utility model, taper block is connected with gear clod top, the internal diameter so making runner tapers into the discharging opening place of setting from taper block installation place, runner is made to become the runner of internal diameter gradual change, so can not only move by directing material, and beneficially material has more preferable nowed forming in described rotary press filter, enhance the described rotary press filter dewatering to material.
In rotary press filter described in the utility model, above-mentioned runner is C-shaped runner.
It addition, in technical scheme described in the utility model, all it is not specifically noted, all can realize by using the routine techniques means in this area.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
1, in rotary press filter described in the utility model, discharging opening is positioned at the top position of charging aperture, the entrance and exit of runner connects with this charging aperture and discharging opening the most respectively, rotary press filter the most described in the utility model is that mud is dehydrated by the mode using bottom in and top out, such method of operation makes described rotary pressure filtration function bear the pressure of higher (30 ~ 40KPa), its disposal ability and anti-load-bearing capacity are all improved, it is possible to avoid phenomenon of whitewashing;In addition, the method for operation of bottom in and top out is used to make material can contribute to reducing the moisture content of mud cake by carrying out predrainage under the effect of gravity;
2, in rotary press filter described in the utility model, enclosure interior is provided with gear clod and mud extraction baffle plate, and discharging opening is between gear clod and mud extraction baffle plate, when the material after processing prepares to discharge from discharging opening, gear clod and mud extraction baffle plate can produce strong extruding to material, in material, remaining moisture can be extruded and pass through net-filter assembly discharge, reduce further the moisture content of obtained mud cake;
3, in rotary press filter described in the utility model, above-mentioned gear clod is provided with flushing machine, this flushing machine can carry out continuous flushing to net-filter assembly, to ensure that net-filter assembly each cycle all has good strainability, moreover it is possible to by sewage remaining in runner or wash dirt and discharge from filtrate (liquid;
4, in rotary press filter described in the utility model, enclosure interior is provided with taper block, this taper block is connected with gear clod top, and the internal diameter of runner tapers into the discharging opening place of setting from taper block installation place, so can not only move by directing material, and beneficially material has more preferable nowed forming in described rotary press filter, enhance the described rotary press filter dewatering to material.
Embodiment
1
A kind of rotary press filter, including housing 2, as in figure 2 it is shown, this housing 2 is provided with charging aperture 4 and discharging opening 3, and this discharging opening 3 is positioned at the top position of charging aperture 4, and the bottom of this housing 2 is additionally provided with filtrate (liquid 5;This housing 2 is internal is additionally provided with runner 6, and the entrance and exit of this runner 6 connects with charging aperture 4 and discharging opening 3 respectively.
Above-mentioned housing 2 inside is provided with net-filter assembly and flow path member 10, and this flow path member 10 surrounds above-mentioned runner 6, as it is shown in figure 1, this net-filter assembly includes the first filter screen 7 and the second filter screen 8 with net-filter assembly.
As depicted in figs. 1 and 2, above-mentioned housing 2 is internal is provided with transmission mechanism, this transmission mechanism is to be positioned at the main shaft 12 within runner 6, and the power intake of this main shaft 12 connects drive mechanism 1, and above-mentioned first filter screen 7 is all connected with the clutch end transmission of main shaft 12 with the second filter screen 8;It addition, be additionally provided with central dividing plate 13 in the first filter screen 7 and the second filter screen 8, this central dividing plate 13 is in transmission connection with main shaft 12.
The most as depicted in figs. 1 and 2, the top of above-mentioned flow path member 10 is provided with mud extraction baffle plate 9, and this mud extraction baffle plate 9 is driven by the cylinder 11 being arranged on housing 2, and this housing 2 is internal is additionally provided with gear clod 14, and above-mentioned discharging opening 3 is between this gear clod 14 and mud extraction baffle plate 9;It addition, this gear clod 14 is additionally provided with flushing machine 16.
The most as depicted in figs. 1 and 2, above-mentioned housing 2 is internal is additionally provided with taper block 15, and this taper block 15 is slidably matched with central dividing plate 13, so makes the internal diameter of above-mentioned runner 6 taper into discharging opening 3 place of setting from taper block 15 installation place.
In the present embodiment, above-mentioned flow path member 10 is C-shaped member, and above-mentioned runner 6 is C-shaped runner, and uses motor as above-mentioned drive mechanism 1.
During work, quenched good sludge material is cut in guiding in channel 6 from charging aperture 4 is with pressure, drive mechanism 1 can drive main shaft 12 to rotate, first filter screen the 7, second filter screen 8 and central dividing plate 13 all can rotate along with the rotation of main shaft 12, free water in sludge material through the first filter screen 7 of both sides and the second filter screen 8 and is discharged rotary press filter by filtrate (liquid 5, and move to discharging opening 3 under the promotion of the frictional force that the material of residual moisture and mud granule composition is between equipment importation pressure and first filter screen the 7, second filter screen 8 outer surface, and discharge rotary press filter from discharging opening 3;Meanwhile, flushing machine 16 can carry out continuous wash, to ensure that filter screen each cycle all has good strainability to the first filter screen 7 and the second filter screen 8.
Additionally, material after treatment prepared when discharging opening 3 is discharged, mud extraction baffle plate 9 and gear clod 14 can produce strong extruding to material, and in material, remaining moisture can be extruded and pass through the first filter screen 7 or the second filter screen 8 is discharged, and reduce further the moisture content of obtained mud cake.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.