CN2357800Y - Laminated slide filtering dehydrator - Google Patents

Abstract

The utility model relates to a lamination slide filtering dehydrator. A lamination set composed of rotating sheets (6) and fixed sheets (7) which are arranged on the same rotating hollow shaft (3) is arranged in a barrel body (8); two rings of two kinds of sheets are respectively connected by ribs (31) and (32); the fixed sheets are positioned at the inner wall of the barrel body; the rotating sheets are positioned on the rotating hollow shaft; an intersection angle of a bayonet of each rotating sheet in each screw pitch and the central line of the rib (31) is orderly and gradually increase or gradually decrease. The utility model uses roughness and sliding gaps of a laminated plate surface to replace a filter screen, and thus the utility model can eliminate hard films formed after solid stock separation, can avoid block clearing work, can improve dehydrating efficiency, can be easily assemble into movable type dehydrating equipment, and can have the advantages of simple structure of the whole machine, long service life and low cost.

Description

The sliding filter of lamination dewaterer

The utility model belongs to the dehydration equipment field of Separation of Solid and Liquid.

The dehydration equipment that is used for Separation of Solid and Liquid at present, as equipment such as modal vacuum filtration, plate compression, belt press filtrations, all used the filter screen that is woven into by various different materials, during the filter operation, all must remove and be deposited in one deck dura mater that screen surface influences filter effect with high pressure water washing or alternate manner, not only during energy charge, production efficiency reduces, and makes the filter screen lost of life.

The purpose of this utility model provides a kind of with the superimposed filter dewatering equipment that replaces general filter screen of polylith thin slice.

The utility model is realized its purpose as follows: the stack of laminations of being made up of stator 7 and rotatable lamella 6 in dewaterer cylindrical shell 8, stator and rotatable lamella are installed on the same revolving hollow spindle 3 apart from one another by ground, they constitute by two rings that vary in size, there is rib 32 to be connected respectively between two rings of two kinds of sheets with 31, stator is positioned on the axial raised line 9 of cylinder inboard wall through bayonet socket 29, rotatable lamella is positioned to be fixed on the raised line 24 on revolving hollow spindle surface through bayonet socket 30, and forming the bayonet socket 30 of each rotatable lamella of each pitch and the angle of cut of rib 31 center lines evenly increases in order or reduce; The lower end is equipped with inboard row water pipe 13, fixed dam 20, mud discharging switchboard 19 from top to bottom in the cylindrical shell.

The effect that the utility model has replaced filter screen with the roughness and the glade plane space of superimposed sheet face, the dura mater that forms when solid material is separated out is constantly destroyed by the stator of relative motion and rotatable lamella, fluid discharge does not have stifled, filter efficiency improves greatly, and complete machine structure is simple, long service life, production cost is low, is convenient to be assembled into portable dehydration equipment.At the lamination mean roughness is between the 5-6 level (0.0024-0.0026mm, peak-peak is 0.0270mm) time, can substitute the screen pack that mesh is 0.15-0.0024mm.

Embodiment further specifies the utility model below in conjunction with accompanying drawing:

Fig. 1 is the overall structure schematic diagram of the sliding filter of the utility model lamination dewaterer.

Fig. 2 is the one group of lamination correlative positional relation schematic diagram that forms a pitch.Every stator 7 in the present embodiment has adopted two ribs 32 and four bayonet sockets 29, and every rotatable lamella 6 has adopted three ribs 31 and four bayonet sockets 30; The part of sequence number 10 is the rough schematic view that lamination is formed spiral among the figure.

Fig. 3 is that the position of stator and a rotatable lamella being adjacent concerns schematic diagram among Fig. 2.

Motor 1 is paid 2 driven rotary hollow shafts 3 by travelling gear and is rotated.The lamination that takes whole cylindrical shell overwhelming majority spaces is arranged in the cylindrical shell 8, be installed in stator 7 and the rotatable lamella 6 that the lamination on the same revolving hollow spindle installed by the space and form, lamination can be made up of plane and plane, plane and curved surface or curved surface and curved surface.Two interannulars of the size of stator have rib 32 to connect, and the outer rim of outer shroud is useful on stator is positioned at bayonet socket 29 on the axial raised line 9 of cylinder inboard wall; Two interannulars of the size of rotatable lamella have rib 31 to connect, and the inner edge of interior ring is useful on rotatable lamella is positioned at bayonet socket 30 on the raised line 24 on revolving hollow spindle surface.Form a pitch by the stator of some rotatable lamellas and equal number, a number of spiral equates that with the bar number of every rotatable lamella rib 31 size of pitch depends on rotatable lamella and the stator thickness and the equal number of divisions of quadrant.The bar number that increases rib 31 in the every rotatable lamella can increase a number of spiral, and the thickness or the equal number of divisions of quadrant that change rotatable lamella all can change each pitch size.The bayonet socket 30 of every rotatable lamella and the center line angle of cut of rib 31 all increase than this angle of cut of adjacent rotatable lamella or reduce the same number of degrees, and promptly the quadrant number of degrees at each sheet place rise in order or descend.Space between some corresponding per two ribs of rotatable lamella has just constituted a spiral jointly, the above-mentioned angle of cut of every adjacent two rotatable lamellas increases progressively 10 degree in order until forming a pitch among Fig. 2, rotatable lamella has three ribs 31, forms three spirals on circumference, and promptly spiral has three statures.Leave the space between the stiff end of rotatable lamella and revolving hollow spindle, be convenient to liquid and discharge.Inboard row water pipe 13, draining valve 21 are arranged in the bottom of cylindrical shell, between inboard row water pipe and revolving hollow spindle surface, sealing rubber ring 12 is arranged, dirty to block liquid; There is fixed dam 20 inboard row water pipe below, and axially extending bore is arranged in the baffle plate; There is the mud discharging switchboard 19 that can rotate to an angle the baffle plate below, and the through hole corresponding with the baffle plate lead to the hole site wherein also arranged; There is rubber washer 14 in the mud discharging switchboard outside to bear from top pressure and sealing, and there is the mud discharging backboard 15 that also has through hole the below, and its below collects mud funnel 16 in addition.Sewage import 26 and sludge outlet 17 are arranged respectively on the tube wall of the baffle plate 25 in revolving hollow spindle and the above and below of baffle plate 22.Cylinder top has the nut 5 of adjustment.

When dewatering, sewage leads through baffle plate 25 and rubber check valve 27 from the sewage import 26 that is positioned at the revolving hollow spindle surface, flow in the stack of laminations in the cylindrical shell, because every rotatable lamella in the lamination has the different quadrant number of degrees with adjacent rotatable lamella, constituted the spirality space, rotation along with rotatable lamella, sewage is constantly pushed to the cylindrical shell bottom, because of the gap between lamination very little, and laminate surface has certain roughness, solid material in the sewage is blocked and pushes forward, liquid then is pressed against the lamination big ring outside and little ring inboard, flow down from cylinder inboard wall and revolving hollow spindle surface respectively, isolated clear water comes together in drainpipe 13 through valve 21 outflows from inwall and axial plane, solid material is then overstock above fixed dam 20, when accumulating when reaching some, when rotation mud discharging switchboard 19 makes its through hole overlap with the through hole of fixed dam, fall solid material and promptly be disposed in the collection mud funnel 16 that supports by collection mud funnel filler ring 18, enter revolving hollow spindle from mud outlet 17 again and discharge through the through hole of mud discharging backboard 15.Owing between per two rotatable lamellas a stator is arranged all, on-stream stator has played the effect of cutting the dura mater that is formed by the dehydrated solid-state thing, makes it can not form the sclerderm of influence dehydration, is beneficial to the discharge of liquid in the sewage.The adjusting nut 5 of cylindrical shell upper end can suitably be regulated gap between the lamination according to producing needs, and rubber check valve 27 is except that having the sewage guide effect, and sewage does not flow backwards when having guaranteed to add outside the compression air yet.

According to different needs, can change a number of spiral with the method that changes rotatable lamella rib quantity, a number is many more, and the sewage fltting speed is fast more; Can change the length of each pitch with the method that changes the rotatable lamella thickness and the equal number of divisions of quadrant, under fixed rotating speed, pitch is short more, and motive force is big more; If when the rib of rotatable lamella is processed as cross section and is wedge shape, then can increase the extruding force of spiral; The rib quantity of stator also can optionally change, and rib cuts often at most, makes the moisture of mud inside discharge more smooth.

For strengthening solid-liquid separation effect, can give the inflation pressurization or the formation negative pressure of bleeding in the cylindrical shell by pressure inlet and valve 4 or negative pressure pipe and valve 11, can in cylindrical shell, add clear water by clear water import 28 after work is finished and carry out dry run, thoroughly remove the mud in lamination gap; Can also add electromagnetic shaker 23, help the discharging of mud filtrate.

Claims (5)

1. a lamination is slided the filter dewaterer, motor, drive mechanism, cylindrical shell are arranged, it is characterized in that the stack of laminations of being made up of stator (7) and rotatable lamella (6) is arranged in dewaterer cylindrical shell (8), stator and rotatable lamella are installed on the same revolving hollow spindle (2) apart from one another by ground, they constitute by two rings, interannular has rib (32) to be connected with (31) respectively, and stator is positioned on the axial raised line (9) of cylinder inboard wall, and rotatable lamella is positioned on the raised line (24) on revolving hollow spindle surface; The angle of cut of bayonet socket of each rotatable lamella of each pitch that coexists (30) and rib (31) center line evenly increases in order or reduces, and the cylindrical shell upper end is equipped with inboard row water pipe (13), fixed dam (20), mud discharging switchboard (19) from top to bottom.

2. dewaterer as claimed in claim 1 is characterized in that in the outside of cylindrical shell (8) electromagnetic shaker (23) being housed.

3. dewaterer as claimed in claim 1 or 2 is characterized in that the combination of stator in the lamination (7) and rotatable lamella (6) is plane and planar combination.

4. dewaterer as claimed in claim 1 or 2 is characterized in that the combination of stator in the lamination (7) and rotatable lamella (6) is the combination of plane and curved surface.

5. dewaterer as claimed in claim 1 or 2 is characterized in that the combination of stator in the lamination (7) and rotatable lamella (6) is the combination of curved surface and curved surface.

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