CN107551654A - A kind of multi-stage separation technique of suspension - Google Patents
A kind of multi-stage separation technique of suspension Download PDFInfo
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- CN107551654A CN107551654A CN201710882373.XA CN201710882373A CN107551654A CN 107551654 A CN107551654 A CN 107551654A CN 201710882373 A CN201710882373 A CN 201710882373A CN 107551654 A CN107551654 A CN 107551654A
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- solid
- screen cloth
- solid material
- backwash
- filter cylinder
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- 238000000926 separation method Methods 0.000 title claims abstract description 62
- 239000000725 suspension Substances 0.000 title claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 70
- 238000001125 extrusion Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 239000007787 solid Substances 0.000 claims abstract description 26
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 239000004744 fabric Substances 0.000 claims description 80
- 239000011343 solid material Substances 0.000 claims description 65
- 239000002351 wastewater Substances 0.000 claims description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000012634 fragment Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 claims description 4
- 238000009288 screen filtration Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 235000021050 feed intake Nutrition 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000407 epitaxy Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/684—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with a translatory movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
- B30B9/14—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing operating with only one screw or worm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/26—Permeable casings or strainers
- B30B9/265—Press cloths
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of multi-stage separation technique of suspension, applied in multistage equipment for separating liquid from solid, including feed intake, multilevel screen separation, the step such as screw extrusion separation.The multi-stage separation technique of the suspension is combined filtering to suspension simultaneously using multilevel screen filter mechanism and multiple screw extrusion solid-liquid separation devices, it is possible to provide more preferable, finer solid-liquid separation effect.
Description
Technical field
The present invention relates to suspension separation technology field, more particularly to a kind of multi-stage separation technique.
Background technology
Existing solid-liquid separating machine only has one layer of screen filtration structure, and separating capacity depends on the gap of grating, due to sieve
The gap of bar can not adjust, it is impossible to change screen cloth, therefore can not be actually needed and be adjusted according to scene.If necessary to finer
Filtering, then need equipment subsequently separately build engineering, increase screen pack, cost is higher, and the humidity of filter residue also without
Method adjusts well, after filtering the cleaning of screen cloth be also required to take artificial.
The content of the invention
In order to solve above-mentioned the deficiencies in the prior art, the present invention provides a kind of multi-stage separation technique of suspension, using more
Level screen filtration mechanism and multiple screw extrusion solid-liquid separation devices are combined filtering to suspension simultaneously, it is possible to provide more preferable,
Finer solid-liquid separation effect.
The technical problems to be solved by the invention are achieved by the following technical programs：
A kind of multi-stage separation technique of suspension, applied in multistage equipment for separating liquid from solid, the multistage equipment for separating liquid from solid includes
Casing and the multilevel screen filter mechanism being arranged in the casing and multiple screw extrusion solid-liquid separation devices；The casing is set
Charging aperture and the wastewater trough of bottom are equipped with, the wastewater trough has delivery port；The first order sieve of the multilevel screen filter mechanism
The feed end of net is arranged at the charging aperture of the casing, and a screw extrusion solid-liquid is provided with per the discharge end of one-level screen cloth
Separating mechanism；The solid material discharge end of all screw extrusion solid-liquid separation devices is arranged at outside the casing；
Step includes：
Step 1：The suspension for needing separation of solid and liquid is put into the multistage equipment for separating liquid from solid；
Step 2：Waste water of the suspension after multilevel screen filter mechanism filtering is flowed into the wastewater trough；
Step 3：Rolled into per the solid material after one-level screen filtration in its corresponding screw extrusion solid-liquid separation device；
Step 4：The solid material entered in each screw extrusion solid-liquid separation device is caused useless after screw extrusion
Water is drained into the wastewater trough, and caused solid material is drained into outside the multistage equipment for separating liquid from solid.
Further, the multilevel screen filter mechanism includes the multilevel screen being obliquely installed, in addition to afterbody screen cloth,
A weather board is provided with below screen cloth per one-level, the water side of the weather board of upper level screen cloth is arranged on next stage sieve
Above the feed end of net；
The step includes：
Step 2.1：The weather board that waste water in suspension is flowed out to below this grade of screen cloth from the grating gap of upper level screen cloth
On；
Step 2.2：Waste water on the weather board is drained to the feed end of next stage screen cloth；
Step 2.3：Repeat step 2.1 and 2.3, finally, waste water flow into the waste water from the grating gap of afterbody screen cloth
In groove.
Further, the screw extrusion solid-liquid separation device includes delivery pipe and the filter cylinder axially connected, the conveying
Helical axis is axially provided with pipe and filter cylinder, the surface of the helical axis is provided with helical blade；The delivery pipe offer into
Material opening, the opening of the filter cylinder are to expect discharge end admittedly；The helical axis is connected with screw motor；The solid material discharging of the filter cylinder
Some elastic pressuring plates in stepped construction are installed, the elastic pressuring plate is loop configuration, and its endoporus is radial to be extended at end
Some flutings, shell fragment is formed between adjacent fluting；
Also include step 0 before the step 1：The humidity of solid material according to required for final, adjusts each spiral
Extrude the quantity of some elastic pressuring plates on the solid material discharge end of solid-liquid separation device.
Further, the step 4 includes：
Step 4.1：The solid material entered in screw extrusion solid-liquid separation device is delivered to the filter cylinder by the helical axis
Place；
Step 4.2：The solid material is stopped and accumulated in the filter cylinder by some elastic pressuring plates 35；
Step 4.3：Increase with the solid material of the accumulation in the filter cylinder, some elastic pressuring plates 35, helical axis and
Filter cylinder increases the extruding force of solid material, and the moisture in solid material further is squeezed out and flowed out to from the filter cylinder
In the wastewater trough；
Step 4.4：With further increasing for the solid material gathered in the filter cylinder, some elastic pressuring plates, helical axis
It is excessive to the extruding force of solid material with filter cylinder, cause the shell fragment of some elastic pressuring plates to produce deformation, solid material is from institute
State and discharged at the endoporus of some elastic pressuring plates.
Further, a backwash mechanism is each provided with below every one-level screen cloth；
Also include step 5 after the step 4：Start the backwash mechanism, own to the multilevel screen filter mechanism
Screen cloth is backwashed.
Further, the backwash mechanism includes the first guide rail, the second guide rail, jet pipe and backwash driver element；Institute
State the first guide rail and the second guide rail is arranged on the both ends of its corresponding screen cloth, and the incline direction phase of the corresponding screen cloth in direction
It is parallel；The sliding block by its both ends of the jet pipe is arranged between first guide rail and the second guide rail, and corresponding towards it
The side of screen cloth be provided with some shower nozzles, the jet pipe is provided with water inlet/air inlet；The sliding block connects the backwash
Driver element, and come and go and slide on first guide rail and the second guide rail under the drive of the backwash driver element；
The step 5 includes：
Step 5.1：Pass through water under high pressure/high pressure gas in toward water inlet/air inlet of the jet pipe；
Step 5.2：Start the backwash driver element, the jet pipe is carried out under the drive of backwash driver element to screen cloth
Toward back flushing.
Further, the backwash driver element is calmly sliding including backwash motor, rotary shaft, the first fixed pulley, second
Wheel, the first belt and the second belt；First fixed pulley and the second fixed pulley are separately fixed at first guide rail and second
Higher one end of guide rail, the backwash motor connection rotary shaft；One end connection institute of first belt and the second belt
State rotary shaft, the other end is respectively around connecting the sliding block at the jet pipe both ends after first fixed pulley and the second fixed pulley.
The present invention has the advantages that：
（1）Suspension was combined simultaneously using multilevel screen filter mechanism and multiple screw extrusion solid-liquid separation devices
Filter, it is possible to provide more preferable, finer solid-liquid separation effect；
（2）The solid material discharge end of screw extrusion solid-liquid separation device uses the stack design of some elastic pressuring plates, simple in construction, system
It is low to make cost, it is only necessary to which different stop extruding forces can be provided solid material by increasing or decreasing the quantity of elastic pressuring plate, with reality
The different humidity of existing solid material, it is easy to operate, flexible；
（3）It is separately provided with backwashing mechanism per one-level screen cloth, screen cloth is rinsed upon completion of filtration, shower nozzle operation road
Footpath is parallel to screen cloth, multiple shower nozzle cooperations, the efficiency high of flushing, and whole screen cloth is not present and rinses dead angle；
（4）Screen cloth is optimized, improves anti-performance and the strainability of backflowing of screen cloth.
Brief description of the drawings
Fig. 1 is the schematic diagram of multistage equipment for separating liquid from solid provided by the invention；
Fig. 2 is the schematic diagram of multilevel screen filter mechanism provided by the invention；
Fig. 3 is the schematic diagram of screw extrusion solid-liquid separation device provided by the invention；
Fig. 4 is the schematic diagram of the filter cylinder of the screw extrusion solid-liquid separation device shown in Fig. 3；
Fig. 5 is the schematic diagram of the elastic pressuring plate of the screw extrusion solid-liquid separation device shown in Fig. 3；
Fig. 6 is the schematic diagram of the helical axis of the screw extrusion solid-liquid separation device shown in Fig. 3；
Fig. 7 is the schematic diagram of backwash mechanism provided by the invention；
Fig. 8 is the schematic diagram of screen cloth provided by the invention；
Fig. 9 is the profile of screen cloth provided by the invention；
Figure 10 is enlarged drawing at the A of the screen cloth shown in Fig. 9.
Embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
Embodiment one
As illustrated in fig. 1 and 2, a kind of multistage equipment for separating liquid from solid, including casing 1 and the multilevel screen that is arranged in the casing 1
Filter mechanism 2 and multiple screw extrusion solid-liquid separation devices 3；The casing 1 is provided with charging aperture 11 and the wastewater trough 12 of bottom,
The wastewater trough 12 has delivery port 13；The feed end of the first order screen cloth 21 of the multilevel screen filter mechanism 2 is arranged on institute
State at the charging aperture 11 of casing 1, a screw extrusion solid-liquid separation device 3 is provided with per the discharge end of one-level screen cloth 21；Institute
The solid material discharge end for having screw extrusion solid-liquid separation device 3 is arranged at outside the casing 1.
The multistage equipment for separating liquid from solid is same using multilevel screen filter mechanism 2 and multiple screw extrusion solid-liquid separation devices 3
When filtering is combined to suspension, it is possible to provide more preferable, finer solid-liquid separation effect；Without subsequently separately building work
Journey, cost is relatively low, and can control the precision of filtering as needed.
During work：Suspension enters the multilevel screen filter mechanism 2 from the charging aperture 11 of the multistage equipment for separating liquid from solid,
Under gravity, the waste water in suspension flows down from the gap of screen cloth 21 enters in next stage screen cloth 21 mistake again
Filter, finally flow in the wastewater trough 12；Its corresponding screw extrusion separation of solid and liquid is rolled into per the solid material of one-level screen cloth 21
In mechanism 3, screw extrusion is carried out, the waste water in solid material is squeezed out and flowed into the wastewater trough 12, solid material
Then it is vented directly to carry out follow-up processing outside the multistage equipment for separating liquid from solid.
The density of grating 211 of every one-level screen cloth 21 of the multilevel screen filter mechanism 2 increases successively, higher to obtain
Filtering accuracy.
Specifically, the multilevel screen filter mechanism 2 includes the multilevel screen 21 being obliquely installed, except afterbody screen cloth 21
Outside, the lower section of the screen cloth 21 per one-level is provided with a weather board 22, and the water side of the weather board 22 of upper level screen cloth 21 is set
Put above the feed end of next stage screen cloth 21.
Preferably, all screen clothes 21 of the multilevel screen filter mechanism 2 continuous S-shaped of formation in the casing 1 is walked
To reduce the size of the multilevel screen filter mechanism 2, reducing the area occupied of the multistage equipment for separating liquid from solid.
As seen in figures 3-6, the screw extrusion solid-liquid separation device 3 includes delivery pipe 31 and the filter cylinder 32 axially connected,
Helical axis 33 is axially provided with the delivery pipe 31 and filter cylinder 32, the surface of the helical axis 33 is provided with helical blade 331；
The delivery pipe 31 offers feed openings, and the opening of the filter cylinder 32 is to expect discharge end admittedly；The helical axis 33 and spiral electricity
Machine 34 connects；Some elastic pressuring plates 35 in stepped construction, the elasticity pressure are installed at the solid material discharge end of the filter cylinder 32
Piece 35 is loop configuration, and its endoporus 351 is radial to extend some flutings 352, and shell fragment 355 is formed between adjacent fluting 352.
Set at the solid material discharge end of the screw extrusion solid-liquid separation device 3 using some elastic pressuring plates 35 of stepped construction
Meter, the extruding force stopped is provided for solid material, at work：Solid material is transported to the filter cylinder by the helical axis 33
At 32, the moisture in solid material flows out at the filter cylinder 32, and solid material is by the shell fragment 355 of some elastic pressuring plates 35
Stop and stay in the filter cylinder 32；With accumulation of the solid material at some elastic pressuring plates 35, solid material is in institute
Under the common extruding for stating helical axis 33, filter cylinder 32 and some elastic pressuring plates 35, the extruding force suffered by it is increasing, and moisture enters
One step is squeezed out and flowed out at the filter cylinder 32 from solid material；When extruding force exceedes some elastic pressuring plates 35
Shell fragment 355 the elastic force limit when, the shell fragments 355 of some elastic pressuring plates 35 produces deformation, and solid material is from described some
It is extruded out at the endoporus 351 of elastic pressuring plate 35.
The structure of the screw extrusion solid-liquid separation device 3 is simple, low manufacture cost, it is only necessary to increases or decreases elastic pressuring plate 35
Quantity can provide different stop extruding force to solid material, to realize the different humidity of solid material, it is easy to operate,
Flexibly.
The filter cylinder 32 of the screw extrusion solid-liquid separation device 3 can also be arranged on the casing 1 of the multistage equipment for separating liquid from solid
Outside, a water leg 4 is set below, and led back waste water in the wastewater trough 12 of the bottom of casing 1 by pipeline.
The material of the elastic pressuring plate 35 can use plastics, can also use metal, the bullet made using unlike material
Property the extruding force that is provided of tabletting 35 would also vary from, and the thickness of the elastic pressuring plate 35, slot 352 quantity and
The length difference of fluting 352 also brings along different extruding forces.
The end of the fluting 352 is provided with stop hole 353, and making the elastic pressuring plate 35, stress exists in compressional deformation
Disconnected at the stop hole 353, prevent the elastic pressuring plate 35 from causing fluting 352 to continue extension because of compressional deformation and tearing the bullet
Property tabletting 35.Some mounting holes 354 are additionally provided with the elastic pressuring plate 35.
Specifically, the filter cylinder 32 includes the first ring of tubular filter screen 321 and integration at the both ends of tubular filter screen 321
322 and second annular connection sheet 323 of shape connection sheet, between the first annular 322 and second annular connection sheet 323 of connection sheet also
It is connected with some fixed columns 324；The first annular connection sheet 322 is located at the solid material discharge end of the filter cylinder 32, and described second
Annular connection sheet 323 is located at the filter cylinder 32 away from the other end for expecting discharge end admittedly；Some elastic pressuring plates 35 pass through spiral shell select
Installation is connected in the first annular connection sheet 322；The delivery pipe 31 is provided with the 3rd annular even close to the one end of filter cylinder 32
Contact pin 311, and pass through the second annular connection sheet 323 of the spiral shell select installation connection filter cylinder 32；The delivery pipe 31 is away from described
One end of filter cylinder 32 is additionally provided with fourth annular connection sheet 312, for being connected to protect the helical axis by the installation of spiral shell select
33 and the containment vessel 36 of the junction of screw motor 34.
The solid material discharge end of the filter cylinder 32 is also associated with bearing block 37, and the helical axis 33 is arranged on the bearing block 37
Bearing in, it is described some specifically, the first annular connection sheet 322 is connected with bearing block 37 by some connecting poles 371
The both ends of connecting pole 371 are equipped with screw thread, and by coordinating tightening nut to connect the ring of bearing block 37 and first respectively
Shape connection sheet 322；The helical axis 33 is arranged in the bearing of the bearing block 37, certainly, the connection of helical axis 33 rotation
One end of motor 34 should also be as being provided with bearing and bearing block.
The spiral spacing that the helical axis 33 is located at the helical blade 331 in the filter cylinder 32 is passed along the conveying direction of material
Subtract, and the thickness of helical blade 331 is incremented by along the conveying direction of material；The helical axis 33 is located at the spiral shell in the delivery pipe 31
The spiral spacing of vane piece 331 is equal（That is D1 ＞ D2 ＞ D3 ＞ D4 ＞ D5 ＞ D6）.
The spiral spacing that the helical axis 33 is located to the helical blade 331 in the filter cylinder 32 is successively decreased design, Ke Yisui
The push of material, gradually increases the extruding force to solid material, further improves the efficiency of separation of solid and liquid, but in solids
In the friction process of material and helical blade 331, extruding force is bigger, then loss of the solid material to helical blade 331 is also bigger, because
This, is located at the thickness of the helical blade 331 in the filter cylinder 32 using incremental design by the helical axis 33.
A backwash mechanism 5 is each provided with per the lower section of one-level screen cloth 21.
As shown in fig. 7, the backwash mechanism 5 includes the first guide rail 51, the second guide rail 52, jet pipe 53 and backwash driving
Unit；The guide rail 52 of first guide rail 51 and second is arranged on the both ends of its corresponding screen cloth 21, and the sieve that direction is corresponding
The incline direction of net 21 is parallel；The sliding block 54 by its both ends of the jet pipe 53 is arranged on first guide rail 51 and second
Between guide rail 52, and the side of its corresponding screen cloth 21 is provided with some shower nozzles 510, the jet pipe 53 is provided with into water
Mouth/air inlet；The sliding block 54 connects the backwash driver element, and in institute under the drive of the backwash driver element
State to come and go on the first guide rail 51 and the second guide rail 52 and slide.
The operating path of shower nozzle 510 of the backwash mechanism 5 is parallel to screen cloth 21, multiple cooperations of shower nozzle 510, flushing
Efficiency high, and whole screen cloth 21 is not present and rinses dead angle.During specific implementation, the guide rail 52 of the first guide rail 51 and second can be consolidated
Be scheduled on the casing 1, can also be fixed on the back side of the screen cloth 21 corresponding to it, when solid-liquid separating machine often work one section when
Between or per task it is complete after, be passed through water under high pressure/high pressure gas from water inlet/air inlet of the jet pipe 53, can be with to the sieve
Net 21 is rinsed, while starts the backwash driver element, and the jet pipe 53 can be with first guide rail 51 and
Come and go and slide on two guide rails 52.
The backwash driver element includes backwash motor 55, rotary shaft 56, the first fixed pulley 57, the second fixed pulley
58th, the first belt 511 and the second belt 512；The fixed pulley 58 of first fixed pulley 57 and second is separately fixed at described first
Higher one end of the guide rail 52 of guide rail 51 and second, the backwash motor 55 connect rotary shaft 56；The He of first belt 511
One end of second belt 512 connects the rotary shaft 56, and the other end bypasses the fixed pulley of the first fixed pulley 57 and second respectively
The sliding block 54 at the both ends of jet pipe 53 is connected after 58.
During specific implementation, the backwash motor 55 and rotary shaft 56 are fixed in solid-liquid separating machine, pass through the recoil
Washing motor 55 drives the rotary shaft 56 to rotate, and the rotary shaft 56 rotates and by the belt 512 of the first belt 511 and second
Roll or release, the volume of the belt 512 of the first belt 511 and second lets off journey and drives the jet pipe 53 to make to come and go cunning
It is dynamic.
The fixed pulley 58 of first fixed pulley 57 and second is fixed on described first each via a pair of T-shaped stators 59 and led
On the guide rail 52 of rail 51 and second；The head of each pair T-shaped stator 59 is fixed on first guide rail by two spiral shell selects or screw
51 or second guide rail 52 two sides on, afterbody is calmly sliding in first fixed pulley 57 or second by a spiral shell select or mode connects for screw
On the two sides of the core wheel of wheel 58, the fixed pulley 58 of the first fixed pulley 57 and second is free to rotate.
Preferably, the quantity of the shower nozzle 510 is 8, is uniformly arranged on the jet pipe 53.
As seen in figs. 8-10, include per one-level screen cloth 21 by some support bars 212 being arranged side by side and some set side by side
The screen cloth main body that the grating 211 put forms, all gratings 211 are each attached on all support bars 212, and all gratings 211
Direction is vertical with the direction of all support bars 212；All support bars 212 at last root grating 211 outside extend 10mm's
Drainage piece 213 is fixed with lower end extension L, the lower end extension L of all support bars 212；The drainage piece 213 is included successively
Fixed part 2131, pars intermedia 2132 and conduction part 2133, the lower end that the fixed part 2131 is fixed on all support bars 212 is prolonged
On extending portion L, the back side of the pars intermedia 2132 is fixed with flow blocking piece 217, and the conduction part 2133 is inclined to the back side of the screen cloth 21
Tiltedly.
10mm lower end extension L is extended in the lower end of all support bars 212 of the screen cloth 21, for fixing drainage piece
213, the flow blocking piece 217 and last root grating 211 are separated into 10mm, and kept off with the fixed part 2131 of the drainage piece 213
The waste water firmly splash, it can prevent the waste water after screen cloth 21 filters from being splash in the lower end of screen cloth 21 because impacting flow blocking piece 217
Backflow to the front of the screen cloth 21.
The cross section of the flow blocking piece 217 is right-angle structure, and its one side is fixed on the pars intermedia 2132 of the drainage piece 213
The back side, pars intermedia 2132 of the another side perpendicular to the drainage piece 213, it is preferable that the flow blocking piece 217 is perpendicular to the drainage
The outer surface of the one side of the pars intermedia 2132 of piece 213 and the distance of last root grating 211 are 10mm, i.e., described flow blocking piece 217
Perpendicular to the drainage piece 213 pars intermedia 2132 one side preferably just with the lower end extension L's of all support bars 212
Edge offsets.
Preferably, the edge of the fixed part 2131 of the drainage piece 213 offsets with last root grating 211, i.e., described to draw
Gap is not present between flow 213 and last root grating 211, more preferably, the side of the fixed part 2131 of the drainage piece 213
Edge forms integral structure with last root grating 211 by welding.
The upper end of all support bars 212 at first grating 211 outside extended upper end epitaxy part, all support bars 212
Upper end epitaxy part on be fixed with reinforcing plate 214, it is preferable that the reinforcing plate 214 front height with all gratings 211 just
Highly align in face；Left water fender 215 is fixed with the front of the support bar 212 of high order end, positioned at the support bar of low order end
Right water fender 216 is fixed with 212 front.
The cross section of all gratings 211 is triangular structure, and its top surface is oblique with all support bars 212, so that
The front end of the top surface of latter grating 211 is higher than the top surface rear end of previous grating 211 on the incline direction of the screen cloth 21；It is towards sieve
The one side of the feed end of net 21 is perpendicular with horizontal plane when the screen cloth 21 is inclined in the multistage equipment for separating liquid from solid；Its
It is perpendicular towards the one side of the discharge end of screen cloth 21 and all support bars 212.
The front end of the top surface of the latter grating 211 of screen cloth 21 is on the incline direction of the screen cloth 21 higher than previous grating 211
Top surface rear end, the top surface of all gratings 211 collectively constitute the mistake of an out-of-flatness with projective structure between adjacent grating 211
Inclined-plane is filtered, effective stop can be formed to suspension, solid mixture is trapped between adjacent grating 211, in suspension
Waste water flows down at the spaced slot between adjacent grating 211, with the increase of solid material quantity, in the effect of self gravitation
It is lower to be rolled down along inclined-plane to the lower end of screen cloth 21, when the flow of suspension is larger, the flow velocity of suspension can be slowed down, improve solid-liquid
The effect of separation.
Preferably, top surface rear end the inclining in the screen cloth 21 of the front end of the top surface of latter grating 211 and previous grating 211
Height difference H on tilted direction is preferably between 0.25 ~ 0.75mm.
The cross section of all gratings 211 is triangular structure, and its bottom is wedge angle, towards the one of the feed end of the screen cloth 21
Face is perpendicular with horizontal plane when the screen cloth 21 is inclined in solid-liquid separating machine, could be formed with the dash effect of effect, prevents
Bottom of the waste water along grating 211 after only filtering is back to the top of grating 211.
Embodiment two
A kind of multi-stage separation technique of suspension, applied in the multistage equipment for separating liquid from solid described in embodiment one, step bag
Include：
Step 0：The humidity of solid material according to required for final, adjusts each screw extrusion solid-liquid separation device 3
Admittedly expect the quantity of some elastic pressuring plates 35 on discharge end；
Step 1：The suspension for needing separation of solid and liquid is put into the multistage equipment for separating liquid from solid；
Step 2：Waste water of the suspension after the multilevel screen filter mechanism 2 filtering is flowed into the wastewater trough 12；
Wherein, the step 2 includes：
Step 2.1：Waste water in suspension is flowed out to from the gap of grating 211 of upper level screen cloth 21 below this grade of screen cloth 21
On weather board 22；
Step 2.2：Waste water on the weather board 22 is drained to the feed end of next stage screen cloth 21；
Step 2.3：Repeat step 2.1 and 2.3, finally, waste water flow into described from the gap of grating 211 of afterbody screen cloth 21
In wastewater trough 12；
Step 3：Solid material after being filtered per one-level screen cloth 21 is rolled into its corresponding screw extrusion solid-liquid separation device 3；
Step 4：The solid material entered in each screw extrusion solid-liquid separation device 3 is caused after screw extrusion
Waste water is drained into the wastewater trough 12, and caused solid material is drained into outside the multistage equipment for separating liquid from solid；
Wherein, the step 4 includes：
Step 4.1：The solid material entered in screw extrusion solid-liquid separation device 3 is delivered to the filter by the helical axis 33
At cylinder 32；
Step 4.2：The solid material is stopped and accumulated in the filter cylinder 32 by some elastic pressuring plates 35；
Step 4.3：Increase with the solid material of the accumulation in the filter cylinder 32, some elastic pressuring plates 35, helical axis
33 and filter cylinder 32 extruding force of solid material is increased, the moisture in solid material further is squeezed out and from the filter cylinder
32 flow out in the wastewater trough 12；
Step 4.4：With further increasing for the solid material gathered in the filter cylinder 32, some elastic pressuring plates 35, spiral shell
Spin axis 33 and filter cylinder 32 are excessive to the extruding force of solid material, cause the shell fragment of some elastic pressuring plates 35 to produce deformation, Gu
Body material is discharged at the endoporus of some elastic pressuring plates 35；
Step 5：Start the backwash mechanism 5 per one-level screen cloth, all screen clothes 21 of the multilevel screen filter mechanism 2 are carried out
Backwash；
Wherein, the step 5 includes：
Step 5.1：Pass through water under high pressure/high pressure gas in toward water inlet/air inlet of the jet pipe 53；
Step 5.2：Start the backwash driver element, the jet pipe 53 is under the drive of backwash driver element to all sieves
Net 21 is carried out toward back flushing.
Certainly, should also include in the step 0：According to required filter effect, the multilevel screen is selected to filter
The precision of every one-level screen cloth 211 in mechanism 2.
Embodiment described above only expresses embodiments of the present invention, and its description is more specific and detailed, but can not
Therefore the limitation to the scope of the claims of the present invention is interpreted as, as long as the skill obtained using the form of equivalent substitution or equivalent transformation
Art scheme, it all should fall within the scope and spirit of the invention.
Claims (7)
- A kind of 1. multi-stage separation technique of suspension, applied in multistage equipment for separating liquid from solid, it is characterised in that the multistage solid-liquid Separator includes casing and the multilevel screen filter mechanism being arranged in the casing and multiple screw extrusion solid-liquid separating machines Structure；The casing is provided with charging aperture and the wastewater trough of bottom, and the wastewater trough has delivery port；The multilevel screen filter The feed end of the first order screen cloth of structure is arranged at the charging aperture of the casing, and one is provided with per the discharge end of one-level screen cloth Screw extrusion solid-liquid separation device；The solid material discharge end of all screw extrusion solid-liquid separation devices is arranged at outside the casing；Step includes：Step 1：The suspension for needing separation of solid and liquid is put into the multistage equipment for separating liquid from solid；Step 2：Waste water of the suspension after multilevel screen filter mechanism filtering is flowed into the wastewater trough；Step 3：Rolled into per the solid material after one-level screen filtration in its corresponding screw extrusion solid-liquid separation device；Step 4：The solid material entered in each screw extrusion solid-liquid separation device is caused useless after screw extrusion Water is drained into the wastewater trough, and caused solid material is drained into outside the multistage equipment for separating liquid from solid.
- 2. the multi-stage separation technique of suspension according to claim 1, it is characterised in that the multilevel screen filter mechanism Including the multilevel screen being obliquely installed, in addition to afterbody screen cloth, a weather board is provided with below the screen cloth per one-level, The water side of the weather board of upper level screen cloth is arranged on above the feed end of next stage screen cloth；The step includes：Step 2.1：The weather board that waste water in suspension is flowed out to below this grade of screen cloth from the grating gap of upper level screen cloth On；Step 2.2：Waste water on the weather board is drained to the feed end of next stage screen cloth；Step 2.3：Repeat step 2.1 and 2.3, finally, waste water flow into the waste water from the grating gap of afterbody screen cloth In groove.
- 3. the multi-stage separation technique of suspension according to claim 1, it is characterised in that the screw extrusion separation of solid and liquid Mechanism includes delivery pipe and the filter cylinder axially connected, and helical axis, the helical axis are axially provided with the delivery pipe and filter cylinder Surface be provided with helical blade；The delivery pipe offers feed openings, and the opening of the filter cylinder is to expect discharge end admittedly；It is described Helical axis is connected with screw motor；Some elastic pressuring plates in stepped construction, institute are installed at the solid material discharge end of the filter cylinder It is loop configuration to state elastic pressuring plate, and its endoporus is radial to extend some flutings, and shell fragment is formed between adjacent fluting；Also include step 0 before the step 1：The humidity of solid material according to required for final, adjusts each spiral Extrude the quantity of some elastic pressuring plates on the solid material discharge end of solid-liquid separation device.
- 4. the multi-stage separation technique of suspension according to claim 3, it is characterised in that the step 4 includes：Step 4.1：The solid material entered in screw extrusion solid-liquid separation device is delivered to the filter cylinder by the helical axis Place；Step 4.2：The solid material is stopped and accumulated in the filter cylinder by some elastic pressuring plates 35；Step 4.3：Increase with the solid material of the accumulation in the filter cylinder, some elastic pressuring plates 35, helical axis and Filter cylinder increases the extruding force of solid material, and the moisture in solid material further is squeezed out and flowed out to from the filter cylinder In the wastewater trough；Step 4.4：With further increasing for the solid material gathered in the filter cylinder, some elastic pressuring plates, helical axis It is excessive to the extruding force of solid material with filter cylinder, cause the shell fragment of some elastic pressuring plates to produce deformation, solid material is from institute State and discharged at the endoporus of some elastic pressuring plates.
- 5. the multi-stage separation technique of suspension according to claim 1, it is characterised in that the lower section per one-level screen cloth is each It is provided with a backwash mechanism；Also include step 5 after the step 4：Start the backwash mechanism, own to the multilevel screen filter mechanism Screen cloth is backwashed.
- 6. the multi-stage separation technique of suspension according to claim 5, it is characterised in that the backwash mechanism includes the One guide rail, the second guide rail, jet pipe and backwash driver element；First guide rail and the second guide rail are arranged on its corresponding screen cloth Both ends, and the incline direction of the corresponding screen cloth in direction is parallel；The jet pipe is arranged on by the sliding block at its both ends Between first guide rail and the second guide rail, and the side of its corresponding screen cloth is provided with some shower nozzles, the jet pipe is set It is equipped with water inlet/air inlet；The sliding block connects the backwash driver element, and in the drive of the backwash driver element Under on first guide rail and the second guide rail come and go slide；The step 5 includes：Step 5.1：Pass through water under high pressure/high pressure gas in toward water inlet/air inlet of the jet pipe；Step 5.2：Start the backwash driver element, the jet pipe is carried out under the drive of backwash driver element to screen cloth Toward back flushing.
- 7. the multi-stage separation technique of suspension according to claim 6, it is characterised in that the backwash driver element bag Include backwash motor, rotary shaft, the first fixed pulley, the second fixed pulley, the first belt and the second belt；First fixed pulley and Second fixed pulley is separately fixed at higher one end of first guide rail and the second guide rail, the backwash motor connection rotation Axle；One end of first belt and the second belt connects the rotary shaft, the other end respectively around first fixed pulley and The sliding block at the jet pipe both ends is connected after second fixed pulley.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710134683.3A CN106880978A (en) | 2017-03-08 | 2017-03-08 | A kind of multi-stage separation technique of solidliquid mixture |
| CN2017101346833 | 2017-03-08 |
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| Publication Number | Publication Date |
|---|---|
| CN107551654A true CN107551654A (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710134683.3A Pending CN106880978A (en) | 2017-03-08 | 2017-03-08 | A kind of multi-stage separation technique of solidliquid mixture |
| CN201710882373.XA Withdrawn CN107551654A (en) | 2017-03-08 | 2017-09-26 | A kind of multi-stage separation technique of suspension |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710134683.3A Pending CN106880978A (en) | 2017-03-08 | 2017-03-08 | A kind of multi-stage separation technique of solidliquid mixture |
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| CN (2) | CN106880978A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173374B (en) * | 2018-10-12 | 2024-09-20 | 江阴市鹏鹞联业生物科技有限公司 | Pipeline filtering slag remover of high temperature resistant dilute sulfuric acid |
-
2017
- 2017-03-08 CN CN201710134683.3A patent/CN106880978A/en active Pending
- 2017-09-26 CN CN201710882373.XA patent/CN107551654A/en not_active Withdrawn
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| CN106880978A (en) | 2017-06-23 |
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Application publication date: 20180109 |