CN108837952B - The rotary filter press method of solid-liquid - Google Patents
The rotary filter press method of solid-liquid Download PDFInfo
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- CN108837952B CN108837952B CN201810740174.XA CN201810740174A CN108837952B CN 108837952 B CN108837952 B CN 108837952B CN 201810740174 A CN201810740174 A CN 201810740174A CN 108837952 B CN108837952 B CN 108837952B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/04—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls
- B04B1/06—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of cylindrical shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B13/00—Control arrangements specially designed for centrifuges; Programme control of centrifuges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/08—Rotary bowls
- B04B7/12—Inserts, e.g. armouring plates
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Abstract
The invention discloses a kind of rotary filter press methods of solid-liquid, the following steps are included: step 1, controller controls the second driving mechanism driving isolating cylinder and moves down, and is looped around isolating cylinder around filter cylinder, after isolating cylinder forms shielding to filter cylinder, material needed to be separated is added into rotary drum；Step 2, controlling the rotation of the first driving mechanism drive shaft by controller makes drum rotating, assembles heavy solid particle under operating on centrifugal force to the inner wall of rotary drum, meanwhile, speed probe will acquire the speed feedback of shaft or rotary drum to controller；Step 3, when the revolving speed of acquisition is greater than or equal to setting value, controller controls the second driving mechanism and isolating cylinder is driven to move up, and releases shielding of the isolating cylinder to filter cylinder, the small liquid of specific gravity then gradually tends to the center of rotary drum after cartridge filter filters, and is discharged in shell by liquid outlet.The present invention has the advantages that improve separative efficiency.
Description
Technical field
The present invention relates to suspension separation technology fields, and in particular to a kind of rotary filter press method of solid-liquid.
Background technique
Centrifuge is the machine using each component in the mixture of centrifugal force, separation liquid and solid particle or liquid and liquid
Tool.Centrifuge is mainly used for solid particle and liquid in the rotary filter press method by solid-liquid and separates, or by two kinds in emulsion
Density is different, and immiscible liquid separates；It can also be used for excluding the liquid in wet solid, such as wet with washing machine drying
Clothes；The admixture of gas of the also separable different densities of special hypervelocity channel separator；Utilize consolidating for different densities or granularity
The different feature of sinking speed, some sedimentation centrifuges can also be carried out solid particle by density or granularity body particle in a liquid
Classification.
The patent of Publication No. CN207533419U discloses a kind of automatic discharge centrifuge for producing calcium carbonate, it includes
Body fuselage and the second driving motor, the upper end of the body fuselage are fixedly connected with upper end cover, the bottom wall of the body fuselage
It is plugged with main rotating shaft, and the outer wall of main rotating shaft is fixedly connected with rotary drum, the main rotating shaft passes through the bottom wall of body fuselage
The end cap that extends outwardly is connected to the first driving wheel, and one end of second driving motor is socketed with the second transmission by the second shaft
Wheel, and belt is connected between the second driving wheel and the first driving wheel, the upper end of the main rotating shaft is fixedly connected with stirring wheel,
And the outer wall of main rotating shaft is socketed with filter cylinder, the bottom side of the filter cylinder is communicated with liquid outlet, and the inner wall of the rotary drum is equidistant
From being equipped with several annular spacer rings, and rotary drum is divided into several separation chambers, the upper end side of the upper end cover by annular spacer ring
It is fixedly connected with fixing seat, and the outer wall side of fixing seat is equipped with the first driving motor, one end of first driving motor is logical
It crosses first rotating shaft and is connected with shaft coupling, and shaft coupling is equipped with screw rod, the outer wall thread of the screw rod far from the side of first rotating shaft
It is connected with movable axis, the movable axis passes through upper end cover and body fuselage extends into rotary drum, the elongated end side of the rotary drum
Several scraper plates are fixedly connected with, the lower end side of the rotary drum is communicated with internal layer discharge port.
The course of work of above-mentioned centrifuge are as follows: revolve main rotating shaft by the second motor and belt gear
Turn, main rotating shaft drives rotary drum rotation, so that material be driven to be rotated, the biggish solid carbonic acid calcium of specific gravity is then close to rotary drum
Inner wall, and the lesser liquid of specific gravity then gradually tends to the center of rotary drum after the filtering through cartridge filter, and constantly from liquid outlet into
Enter in body fuselage, and is discharged by drain pipe, and isolated solid carbonic acid calcium is then constantly gathered in the inner wall of rotary drum.
Above-mentioned centrifuge has the following deficiencies:
1st, above-mentioned centrifuge realizes the centrifuge separation of calcium carbonate, before starting rotary drum is rotated, needs carbonic acid
Calcium suspension is added in rotary drum, it is clear that the result is that filter cylinder is suspended liquid completely is soaked, and rotary drum under static state will not
Suspension is generated and is exerted oneself from masterpiece, therefore, the particle object in suspension is easy to form filter cylinder and block, and works as drum rotating
When, will lead to liquid can not be by filter cylinder or by filter cylinder difficulty, therefore, above-mentioned the lacking there are low separation efficiency from extension set
It falls into.
2nd, in the separation process of above-mentioned centrifuge, scraper plate is scraped by the first driving motor and screw body driving installation
The movable axis of plate is mobile, to strike off to the calcium carbonate for being gathered into different-thickness, however, above-mentioned scraper plate is to being gathered in rotary drum
Striking off for calcium carbonate on inner wall needs rotary drum to be rotated, and otherwise can only strike off the calcium carbonate of localized clusters.Therefore, above-mentioned to scrape
Plate can not strike off all calcium carbonate on drum inner wall after rotary drum shutdown.
3rd, above-mentioned rotary drum is only fixedly connected with main rotating shaft, and rotary drum does not have connection relationship, the weight of rotary drum at other positions
Amount is supported by main rotating shaft completely, however rotary drum is rotated with the revolving speed of high speed at work, in addition in rotary drum
It is loaded with suspension, the unbalance situation of stress occurs in high-speed rotation process in rotary drum, and rotary drum is caused to generate biggish shaking, long
After phase use, the case where it is impaired serious to be easy to cause the main rotating shaft of support rotary drum, or even is broken.
Summary of the invention
The purpose of the present invention is to provide a kind of rotary filter press methods of solid-liquid that separative efficiency can be improved.
Realize that the technical solution of above-mentioned purpose is as follows:
The rotary filter press method of solid-liquid, including spiral liquid separation device, the spiral liquid separation device include shell, rotary drum, shaft,
First driving mechanism, bracket, the second driving mechanism, filter cylinder, isolating cylinder, controller, rotary drum are located in shell, and one end of shaft is worn
Shell to be crossed to fix with rotary drum, the other end of shaft is connect with the first driving mechanism, and the other end closed at one end of filter cylinder has opening,
The open end of filter cylinder is looped around around the liquid outlet on rotary drum and fixes with rotary drum, and the second driving mechanism is fixed on bracket, every
One end from cylinder is connect with the power output end of the second driving mechanism, further comprising the steps of:
Step 1, controller controls the second driving mechanism driving isolating cylinder and moves down, and is looped around isolating cylinder around filter cylinder, every
After forming shielding to filter cylinder from cylinder, material needed to be separated is added into rotary drum；
Step 2, controlling the rotation of the first driving mechanism drive shaft by controller makes drum rotating, makes heavy solid
Particle is assembled under operating on centrifugal force to the inner wall of rotary drum, meanwhile, speed probe will acquire shaft or the revolving speed of rotary drum is anti-
It is fed to controller；
Step 3, when the revolving speed of acquisition is greater than or equal to setting value, controller controls the second driving mechanism and drives isolating cylinder
It moving up, releases shielding of the isolating cylinder to filter cylinder, the small liquid of specific gravity then gradually tends to the center of rotary drum after cartridge filter filters, and
It is discharged in shell by liquid outlet.
Advantages of the present invention are as follows: shielding action is formed to filter cylinder by isolating cylinder before material is added, so that object can not
Filter cylinder is formed and is impregnated, thereby it is entirely avoided the particle in material is blocked caused by filter cylinder.After drum rotating, second is driven
Motivation structure driving isolating cylinder moves up, and releases the shielding to filter cylinder.After drum rotating, since material is by solid bowl centrifuges active force
It influences, assembles heavy particle under operating on centrifugal force to the inner wall of rotary drum, therefore, at this moment driven by the second driving mechanism
Dynamic isolating cylinder moves up the shielding released to filter cylinder, since particle is assembled to the inner wall of rotary drum without mobile to filter cylinder, solution
Except filter cylinder still will not be blocked after shielding.To which liquid can flow through unobstructedly filter cylinder, under lasting operating on centrifugal force, object
Heavy particle continues to assemble to the inner wall of rotary drum in material, even if the particle folder for having specific gravity small is in a liquid, due on filter cylinder
Filter opening aperture be greater than these particles diameter, therefore, these particles still will not to filter cylinder formed block, it is possible thereby to see
Out, the present invention drives isolation 1 after the suitable time goes up and down by the second driving mechanism, is conducive to accelerate solid and liquid
Separating rate, so that the isolated efficiency of solid-liquid be made to be improved.
Figure of description
Fig. 1 is the structural schematic diagram of the rotary filter press method of the solid-liquid of invention；
Fig. 2 is the schematic diagram of the section structure of the rotary drum in the present invention；
Fig. 3 is the structural schematic diagram of the shaft in the present invention；
Fig. 4 is the portion the A enlarged drawing in Fig. 1；
Fig. 5 is the portion the B enlarged drawing in Fig. 1；
Fig. 6 is the schematic diagram when isolating cylinder in separator shown in Fig. 1 moves up；
Fig. 7 is the schematic diagram when isolating cylinder in separator shown in Fig. 1 moves down；
Fig. 8 is the schematic diagram of the control device in the present invention；
1 be shell, 2 be support base, 3 be rotary drum, 3a is pilot hole, 3b is rotary drum body, 3c be cylindrical part,
3d is leakage fluid dram, 3e is discharge port, 3f is the first sealing ring, 4a is motor, 4b is first pulley, 4c is the second band
Wheel, 4d be belt, 5 be shaft, 5a is polygon shaft part, 5b is cylinder shaft part, 5c is screw thread splined shaft section, 5d is axis
Shoulder, 6 be filter cylinder, 7 be first bearing component, 8 be nut, 9 be bracket, 10 be the second driving mechanism, 11 be isolating cylinder,
11a is sealing ring, 12 is cutterhead, and 12a is through-hole, 13 is the first spacer, 14 is the first external gyrorotor, 15 is the first rolling
Kinetoplast, 16 be revolving body in first, 17 be the second spacer, 18 be the second external gyrorotor, 19 be the second rolling element, 20 be
Revolving body in second, 21 be first boss, 22 be second boss, 23 be pedestal, 30 be speed probe, 31 be control
Device, 32 be the first driver, 33 be the second driver.
Specific embodiment
As shown in Figure 1, the rotary filter press method of solid-liquid of the invention, including spiral liquid separation device, the spiral liquid separation device
Including shell 1, support base 2, rotary drum 3, the first driving mechanism, shaft 5, filter cylinder 6, the bottom of shell 1 is equipped with first through hole, shell
1 is fixed on support base 2, and support base 2 is equipped with the second through-hole, and the relationship to each section and between them carries out detailed below
Ground explanation:
As depicted in figs. 1 and 2, rotary drum 3 is located in shell 1, and the bottom of rotary drum 3 is equipped with pilot hole 3a, and rotary drum 3 is by rotary drum sheet
The body 3b and cylindrical part 3c being arranged on rotary drum body 3b inner bottom wall face composition, a part of pilot hole 3a are located at rotary drum
On ontology 3b, another part of pilot hole 3a is located on cylindrical part 3c.The section of pilot hole 3a is in polygon, such as pentagon
Or hexagon.
As depicted in figs. 1 and 2,3 bottom of rotary drum is equipped with leakage fluid dram 3d, the center of leakage fluid dram 3d and cylindrical part 3c outer peripheral surface
Between spacing be 20-50mm, it is preferable that spacing between the center and cylindrical part 3c outer peripheral surface of leakage fluid dram 3d is 35mm.
3 bottom of rotary drum is additionally provided with discharge port 3e, and the spacing between the center of discharge port 3e and the inner peripheral surface of rotary drum body 3b is 1-
10mm, it is preferable that the spacing between the center of discharge port 3e and the inner peripheral surface of rotary drum body 3b is 3mm.
As shown in figures 1 and 3, one end of shaft 5 pass through after second through-hole and first through hole with the dress on rotary drum 3
Distribution 3a cooperation, the shaft 5 include polygon shaft part 5a, cylinder shaft part 5b, screw thread splined shaft section 5c, polygon shaft part 5a with
Cylinder shaft part 5b is integrally formed, and the cross sectional shape of polygon shaft part 5a preferentially uses hexagon, polygon shaft part 5a and pilot hole
3a is preferentially cooperated by the way of interference, in this way, rotary drum 3 can be driven to rotate when shaft 5 rotates, the one of cylinder shaft part 5b
End is equipped with shaft shoulder 5d, and one end and the shaft shoulder 5d of screw thread splined shaft section 5c is integrally fixed, and screw thread splined shaft section 5c is preferentially using weldering
The mode connect is integrally fixed with shaft shoulder 5d.There is screw thread and spline on the circumferential surface of screw thread splined shaft section 5c.
As shown in figures 1 and 3, shaft 5 is fixed by first bearing component 7 and shell 1 and support base 2, first bearing
A part of component 7 and the first through hole on shell 1 cooperate, another part and second on support base 2 of first bearing component 7
Through-hole cooperation, the cylinder shaft part and first bearing component 7 of shaft 5 are interference fitted, to keep shaft 5 and first bearing component 7 tight
Gu integral.
As shown in figures 1 and 3, the other end of shaft 5 is connect with the first transmission mechanism, the screw thread splined shaft section 5c of shaft 5
It is connect with the first transmission mechanism, the first transmission mechanism includes motor 4a and belt gear, and belt gear includes first
Belt wheel 4b, the second belt wheel 4c, belt 4d, motor 4a are fixed on support base 2, and the output end and first pulley 4b of motor 4a connects
It connects, the second belt wheel 4c is cooperated by spline and screw thread splined shaft section 5c, the side being connected through a screw thread on screw thread splined shaft section 5c
Formula connects a nut 8, and by shaft shoulder 5d axial limiting, the other end of the second belt wheel 4d passes through for one end of the second belt wheel 4c
8 axial limiting of nut, belt 4d cooperate on first pulley 4b and the second belt wheel 4c.The torque of motor 4a work output drives the
One belt wheel 4b rotation, first pulley 4b drives the second belt wheel 4c rotation by belt 4d, so that the second belt wheel 4c drives shaft 5 to revolve
Turn, and then shaft 5 drives rotary drum 3 to rotate.
As shown in Figure 1, the other end closed at one end of filter cylinder 6 has opening, the open end of filter cylinder 6 is looped around on rotary drum 3
Liquid around leakage fluid dram 3d and fixed with rotary drum 3, that is, being located at outside filter cylinder 6 needs just enter after cartridge filter 6 filters
The inside of filter cylinder 6.
As shown in Figure 1, further including bracket 9, the second driving mechanism 10, isolating cylinder 11, the second driving mechanism 10 is fixed on branch
On frame 9, one end of bracket 9 is fixed on support base 2, and bracket 9 is inverted u-shaped, and the other end of bracket 9 is equipped with hole, the second driving machine
Structure 10 is located at the other end of bracket 9, and the power output end of the second driving mechanism 10 passes through providing holes on bracket 9, the second driving machine
Structure 10 is straight line driving mechanism, and the second driving mechanism 10 preferentially uses cylinder or hydraulic cylinder, and the second driving mechanism 10 can also adopt
With the straight line driving mechanism being made of driving motor and screw body.
As shown in Figure 1, one end of isolating cylinder 11 is connect with the power output end of the second driving mechanism 10, it is added in material
Before in rotary drum 3, the second driving mechanism 10 driving isolating cylinder 11 moves down (as shown in Figure 7), and isolating cylinder 11 is made to be looped around filter cylinder 6 weeks
It encloses to form filter cylinder 6 and shield, in this way, shielding action is formed to filter cylinder 6 by isolating cylinder 11 before material is added,
It is impregnated so that liquid can not be formed filter cylinder 6, thereby it is entirely avoided the particulate matter in material is blocked to caused by filter cylinder 6.Turn
After drum 3 rotates, the second driving mechanism 10 driving isolating cylinder 11 is moved up (as shown in Figure 6), releases the shielding to filter cylinder 6.When rotary drum 3
After rotation, since material is influenced by solid bowl centrifuges active force, make heavy particle under operating on centrifugal force into rotary drum
Therefore at this moment wall aggregation drives isolating cylinder 11 to move up the shielding released to filter cylinder 6, due to particle by the second driving mechanism 10
Object is assembled to the inner wall of rotary drum without mobile to filter cylinder 6, and therefore, filter cylinder 6 still will not be blocked after releasing shielding.To
Liquid can flow through unobstructedly filter cylinder 6, and under lasting operating on centrifugal force, heavy particulate matter continues into rotary drum in material
Wall aggregation, even if the particulate matter folder for having specific gravity small is in a liquid, since the aperture of the filter opening on filter cylinder 6 is greater than these particulate matters
Diameter, therefore, these small diameter particles objects still will not form filter cylinder and block, it can thus be seen that the present invention passes through second
Driving mechanism 10 drives isolating cylinder 11 after the suitable time is gone up and down, and is conducive to the separating rate for accelerating solid and liquid,
To make the isolated efficiency of solid-liquid be improved.
As shown in Figure 1 and Figure 4, the end face of the other end of the isolating cylinder 11 is equipped with sealing ring 11a, when under isolating cylinder 11
When shifting, is supported by sealing ring 11a and the inner bottom wall face of rotary drum 3, by the sealing function of sealing ring 11a, better ensured
The shielding action that isolating cylinder 11 forms filter cylinder 6.It is equipped with annular groove on the inner bottom wall face of rotary drum 3, is equipped in the annular groove
First sealing ring 3f, sealing ring 11a are supported with the first sealing ring 3f, further lift-off seal performance.
As shown in Figure 1, further including the cutterhead 12 with mounting hole, the isolating cylinder 11 cooperates with the mounting hole on cutterhead
Afterwards, cutterhead 12 is integrally fixed with isolating cylinder 11, and cutterhead 12 is preferentially fixed by the way of welding with isolating cylinder, the week of cutterhead 12
There is gap, which is 0.1-1mm, when the second driving mechanism 10 drives isolating cylinder 11 between face and the inner peripheral surface of rotary drum 3
When moving down, cutterhead 12 is moved down with isolating cylinder 11, and cutterhead 12 is in folding process, to being gathered on 3 inner peripheral surface of rotary drum
Grain object scrapes, these particulate matters fall in the bottom of rotary drum 3, and is discharged from the discharge port 3e of rotary drum 3.Cutterhead 12 is fixed on isolation
Structure on cylinder, compared with the patent of Publication No. CN207533419U, no matter rotary drum 3 is in rotation also to cutterhead 12 of the invention
It is stationary state, the particulate matter that can comprehensively will accumulate on 3 inner peripheral surface of rotary drum scrapes, without as Publication No.
The patent of CN207533419U is such, only can just will accumulate on rotary drum inner peripheral surface in the state that rotary drum is in rotation
Particulate matter scrapes, and therefore, the particulate matter that the present invention will accumulate on rotary drum inner peripheral surface is scraped with high-efficient and convenient and fast
Advantage.
As shown in figures 1 to 6, if having material in rotary drum 3, the second driving mechanism 10 drives isolating cylinder 11 to move up, knife
Disk 12 follows isolating cylinder 11 to move up, material can only the gap between cutterhead 12 and rotary drum 3 flow downward, due to cutterhead 12 with turn
Spacing between drum inner peripheral surface is small, in this way, the flowing velocity of material is slow, and cutterhead can only be risen with very slow speed, therefore,
The working efficiency of device can be reduced in this way.Therefore, it in order to ensure working efficiency, is equipped on the axial end face of cutterhead 12
Several through-hole 12a passed through for material, when cutterhead 12 moves up, material can be flowed downward by through-hole 12a.
As shown in Figure 1, further include the first spacer 13 between shell 1 and the bottom of rotary drum 3, the one of the first spacer 13
End ring is wound on around the output end of the leakage fluid dram 3d, in this way, forming one between shell 1, rotary drum 3 and the first spacer 13
The first closed cavity.After being arranged to this structure, after isolated liquid is discharged to rotary drum outside by leakage fluid dram 3d,
It can connect and flow in the first cavity, liquid is avoided to flow other uncontrollable places, adverse effect, liquid are generated to the part on device
After body enters in the first cavity, by being connected to drain pipe (not shown) that is on shell 1 and being connected to the first cavity
It is discharged into designated position.
As shown in Figure 1, further including forming the first support component axially supported to rotary drum 3, which includes
Revolving body 16 in first external gyrorotor 14, the first rolling element 15, first, one end of the first external gyrorotor 14 and the bottom of rotary drum 3
Fixed, one end of revolving body 16 and the bottom of shell 1 are fixed in first, on the inner peripheral surface of the first external gyrorotor 14 and first time
The first cyclic annular channel is equipped on the outer peripheral surface of swivel 16, first rolling element 15 is located in the first external gyrorotor 14 and first
Between revolving body 16, and the first rolling element 15 cooperates with the described first cyclic annular channel.It is apparent that by the first support component to turn
Drum 3 forms supporting role, and the gravity for avoiding rotary drum 3 is born by shaft 5, and 5 need of shaft play the circumferential effect of transmitting
Power, in this way it can be ensured that stationarity of the shaft 5 in transmission process, shaft 5 are hardly worn, it is ensured that turn
Axis 5 is not in fracture.
As shown in Figure 1, the difference in height in one end and first of the first external gyrorotor 14 between the other end of revolving body 16 is big
It is greater than zero in the difference in height in the other end and first of zero, first external gyrorotor 14 between one end of revolving body 16.Rotary drum 3 rotates
When, the first external gyrorotor 14 being integrally fixed with rotary drum 3 is as rotary drum 3 rotates, due to the other end of the first external gyrorotor 14
With first in revolving body 16 one end between difference in height be greater than zero so that the inner bottom wall of the first external gyrorotor 14 and shell 1 it
Between have between have, can avoid generating between the first external gyrorotor 14 and the inner bottom wall of shell 1 in this way and contact, the first external gyrorotor 14
When rotation, avoid the first external gyrorotor 14 with shell 1 because friction is worn.
As shown in Figure 1, further including the second spacer 17 between shell 1 and the bottom of rotary drum 3, the second spacer 17 is surround
Around the first support component, the distance between the center discharge port 3e and 3 axle center of rotary drum on rotary drum 3 are greater than the second spacer
Vertical range between 3 axle center of 17 outer peripheral surfaces and rotary drum.Since the particulate matter of discharge port 3e discharge can enter in shell 1, because
This, the compartmentation for being played discharge port 3e and the first support component by the second spacer 17 avoids particulate matter and is moved to
The position of one support component generates negative consequence to the first support component so as to avoid particulate matter.
It as shown in Figure 1 and Figure 5, further include the second support component to from 3 shape of rotary drum to radial support, second support component
Including revolving body 20 in the second external gyrorotor 18, the second rolling element 19, second, on the inner peripheral surface of the second external gyrorotor 18 and
Be equipped with the second cyclic annular channel in two on the outer peripheral surface of revolving body 20, second rolling element 19 be located at the second external gyrorotor 18 with
In second between revolving body 20, and the second rolling element 19 cooperates with the described second cyclic annular channel；The cooperation of second external gyrorotor 18 exists
It is in 1 inner cavity of shell and fixed with shell 1, it is fixed on rotary drum 3 and with rotary drum 3 for 20 sets of revolving body in described second.When rotary drum 3 revolves
When turning, rotary drum 3 drives revolving body 20 in second to rotate, and the second external gyrorotor 18 remains static always, due to the second support
The relationship of component and rotary drum 3 and shell 1, so that rotary drum 3 is radially being formed limitation, and shell 1 is fixed on support base 2
, shell 1 be always it is motionless, therefore, completely avoid generating shaking when rotary drum 3 rotates in this way, and then ensure 5 work of shaft
The radial shear force not generated by rotary drum 3 when making.
As shown in Figure 1 and Figure 5, the inner peripheral surface of the shell 1 is equipped with first boss 21, and the outer peripheral surface of rotary drum 3 is equipped with
One end of second boss 22, the second support component is limited by first boss 21, and the other end of the second support component passes through second
Boss 22 limits, since the gravity of rotary drum 3 is supported by the first support component, the second support component is not subject to turn substantially
Bulging axial force, but the second support component generates axial movement in order to prevent, therefore, passes through setting first boss respectively
21 and second boss 22 limit is formed to the both ends of the second support component, it is mobile to achieve the purpose that limit the second support component.
It as illustrated in figures 1 and 8, further include control device, which includes speed probe 30, controller 31,
One driver 32, the second driver 33, speed probe 30 are used to detect the revolving speed of shaft 5 or rotary drum 3, turn in the present invention
Fast sensor 30 preferentially detects the revolving speed of shaft 5, is equipped with pedestal 23 in the lower part of support base 2, the speed probe 30 is pacified
On pedestal 23, speed probe 30 preferentially uses fibre optical sensor.Controller 31 uses single-chip microcontroller or PLC, the first driving
Device 32 and the second driver 33 are amplifying circuit, will control respectively motor and hydraulic after the control signal amplification of controller output
Cylinder.
As shown in Fig. 1, Fig. 6 to Fig. 8, solid-liquid is separated by following steps using above-mentioned spiral liquid separation device:
Step 1, controller 30 controls the second driving mechanism 10 driving isolating cylinder 11 and moves down, and isolating cylinder 11 is made to be looped around filter cylinder
Around 6, after isolating cylinder 11 forms shielding to filter cylinder 10, material needed to be separated is added into rotary drum 2；
Step 2, controlling the rotation of the first driving mechanism drive shaft by controller 31 makes drum rotating, makes heavy solid
Body particulate matter is assembled under operating on centrifugal force to the inner wall of rotary drum, meanwhile, speed probe 30 will acquire shaft or rotary drum 2
Speed feedback is to controller；
Step 3, when the revolving speed of acquisition be greater than or equal to setting value when, controller 31 control the second driving mechanism 10 drive every
It is moved up from cylinder 11, releases shielding of the isolating cylinder 11 to filter cylinder 6, the small liquid of specific gravity then gradually tends to turn after the filtering of cartridge filter 6
The center of drum 3, and be discharged in shell by liquid outlet.
When speed probe 30 detects that the revolving speed of shaft 5 is zero, controller 31 control the second driving mechanism 10 make every
It is moved down from cylinder 11, is looped around isolating cylinder 11 around filter cylinder 6, isolating cylinder 11 forms filter cylinder 10 and shields.
Claims (10)
1. a kind of rotary filter press method of solid-liquid, including spiral liquid separation device, which is characterized in that the spiral liquid separation device includes
Shell, rotary drum, shaft, the first driving mechanism, bracket, the second driving mechanism, filter cylinder, isolating cylinder, controller, rotary drum are located at shell
Interior, one end of shaft passes through shell and fixes with rotary drum, and the other end of shaft is connect with the first driving mechanism, filter cylinder it is closed at one end
The other end has opening, and the open end of filter cylinder is looped around around the liquid outlet on rotary drum and fixes with rotary drum, the second driving mechanism
It being fixed on bracket, one end of isolating cylinder is connect with the power output end of the second driving mechanism, further comprising the steps of:
Step 1, controller controls the second driving mechanism driving isolating cylinder and moves down, and is looped around isolating cylinder around filter cylinder, isolating cylinder
After forming shielding to filter cylinder, material needed to be separated is added into rotary drum；
Step 2, controlling the rotation of the first driving mechanism drive shaft by controller makes drum rotating, makes heavy solid particle
Assemble under operating on centrifugal force to the inner wall of rotary drum, meanwhile, speed probe will acquire shaft or the speed feedback of rotary drum arrives
Controller；
Step 3, when the revolving speed of acquisition is greater than or equal to setting value, controller controls the second driving mechanism and drives on isolating cylinder
It moves, releases shielding of the isolating cylinder to filter cylinder, the small liquid of specific gravity then gradually tends to the center of rotary drum after cartridge filter filters, and leads to
Liquid outlet is crossed to be discharged in shell.
2. according to right ask 1 described in solid-liquid rotary filter press method, which is characterized in that when speed probe detects shaft
When revolving speed is zero, controller, which controls the second driving mechanism, moves down isolating cylinder, is looped around isolating cylinder around filter cylinder, isolating cylinder pair
Filter cylinder forms shielding.
3. according to right ask 1 or 2 described in solid-liquid rotary filter press method, which is characterized in that the spiral liquid separation device also wraps
The cutterhead with mounting hole is included, after the mounting hole cooperation on the isolating cylinder and cutterhead, cutterhead is integrally fixed with isolating cylinder, knife
There is gap, rotary drum is in rotary course or after stopping rotating, controller control between the circumferential surface of disk and the interior sidewall surface of rotary drum
The lifting of second driving mechanism, the particle that will accumulate on drum inner wall face scrape the bottom of rotary drum.
4. according to right ask 3 described in solid-liquid rotary filter press method, which is characterized in that the axial end face of the cutterhead is equipped with
Several through-holes passed through for material.
5. the rotary filter press method of solid-liquid according to claim 1 or 2, which is characterized in that the spiral liquid separation device is also
Including the first spacer between shell and the bottom of rotary drum, bottom of the drum is equipped with leakage fluid dram, and one end of the first spacer is surround
Around the output end of the leakage fluid dram.
6. the rotary filter press method of solid-liquid according to claim 1, which is characterized in that the spiral liquid separation device further includes
The first support component axially supported is formed to rotary drum, which includes the first external gyrorotor, the first rolling element, the
Revolving body in one, one end of the first external gyrorotor and the bottom of rotary drum are fixed, the bottom of one end of revolving body and shell in first
It is fixed, it is equipped with the first cyclic annular channel on the inner peripheral surface of the first external gyrorotor and on the outer peripheral surface of the first revolving body, described the
One rolling element is located in the first external gyrorotor and first between revolving body, and the first rolling element is matched with the described first cyclic annular channel
It closes.
7. the rotary filter press method of solid-liquid according to claim 6, which is characterized in that the spiral liquid separation device further includes
The second spacer between shell and the bottom of rotary drum, the second spacer is looped around around the first support component, on rotary drum
The distance between discharge port center and rotary drum axle center, greater than the vertical range between the second spacer outer peripheral surface and rotary drum axle center.
8. the rotary filter press method of solid-liquid according to claim 1, which is characterized in that the spiral liquid separation device further includes
To rotary drum shape to the second support component of radial support, which includes the second external gyrorotor, the second rolling element, the
Revolving body in two is equipped with the second cyclic annular channel on the inner peripheral surface of second external gyrorotor and on the outer peripheral surface of the second revolving body,
Second rolling element is located in the second external gyrorotor and second between revolving body, and the second rolling element and second annular groove
Road cooperation；Revolving body cooperation is fixed in chamber and with shell inside the shell in first, in described second revolving body cover on rotary drum with
Rotary drum is fixed.
9. the rotary filter press method of solid-liquid according to claim 8, which is characterized in that the inner peripheral surface of the shell is equipped with
First boss, the outer peripheral surface of rotary drum are equipped with second boss, and one end of the second support component is limited by first boss, and second
The other end of support component is limited by second boss.
10. the rotary filter press method of solid-liquid according to claim 1, which is characterized in that the shaft includes polygon shaft
One end of section, screw thread splined shaft section, polygon shaft part is equipped with the shaft shoulder, and one end and the shaft shoulder of screw thread splined shaft section are integrally fixed.
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| CN201810740174.XA CN108837952B (en) | 2018-07-07 | 2018-07-07 | The rotary filter press method of solid-liquid |
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| CN201810740174.XA CN108837952B (en) | 2018-07-07 | 2018-07-07 | The rotary filter press method of solid-liquid |
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| CN108837952B true CN108837952B (en) | 2019-12-03 |
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| WO2000043096A1 (en) * | 1999-01-26 | 2000-07-27 | Fluid Equipment Development Co., L.L.C. | Rotating process chamber with integral pump and energy recovery turbine |
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| CN108837952A (en) | 2018-11-20 |
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