CN207418545U - A kind of electro-osmosis press filtration synergistic mud dewatering device - Google Patents
A kind of electro-osmosis press filtration synergistic mud dewatering device Download PDFInfo
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- CN207418545U CN207418545U CN201721210433.5U CN201721210433U CN207418545U CN 207418545 U CN207418545 U CN 207418545U CN 201721210433 U CN201721210433 U CN 201721210433U CN 207418545 U CN207418545 U CN 207418545U
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Abstract
The utility model is related to a kind of electro-osmosis press filtration synergistic mud dewatering device, including：Electro-osmosis press filtration unit, press filtration chamber is equipped in it, after charging dehydration is realized in the press filtration chamber, then carries out electro-osmosis and filter-press dehydration, with the reduction of the moisture percentage in sewage sludge of the anode plate side of electro-osmosis press filtration unit, clay shredder structure starts to carry out cutting mud action at regular intervals；Clay shredder structure is equipped in the anode plate side of corresponding electro-osmosis press filtration unit and cuts mud seam gap, the sludge blanket that the clay shredder structure cuts off the anode plate side of electro-osmosis press filtration unit by cutting mud seam gap at regular intervals.For the utility model by carrying out energization processing to required processing sludge, the sludge with negative electrical charge is attracted to anode, and in time cuts off anode dewatered sludge layer, reduces anode slime resistance increase electric current and reduces the influence generated to electroosmotic dewatering.
Description
Technical field
The utility model is related to technical field of sludge treatment, specifically a kind of electro-osmosis press filtration synergistic mud dewatering dress
It puts.
Background technology
Sludge high-moisture percentage is the bottleneck that restrict specific resistance to filtration, and the high sludge of moisture content is not only bulky, and
And contained a large amount of organic matters, heavy metal and harmful microorganism is also easily degenerated or can be discharged into environment, and causes secondary pollution, it is right
It is all adversely affected in the subsequent landfill of sludge, burning, recycling etc..Therefore, deeply dehydrating sludge minimizing is
Treatment of Sludge primary and foremost purpose, minimizing are to realize the basis of sludge other " three change ", and sludge is more dry, and subsequent processing disposal more has
Profit.
Contain 4 kinds of form moisture, i.e. Free water, absorption water, capillary water and internal water in sludge.Adsorb water, capillary water and
Although internal water only accounts for the fraction of sludge water content, the quality of its total content or remote super dewatered sludge, using conventional method not
It easily removes, moisture percentage in sewage sludge is difficult to further reduce.The special flocculation structure of sludge be influence deeply dehydrating sludge it is main because
Element, it is mainly formed by the suspended particulate in extracellular polymeric (EPS) the package absorption water of high degree of hydration, has special pair
Electric layer structure causes sludge settling property and dewatering very poor.Realize the deep dehydration of sludge, it is necessary to destroy sludge first
Special flocculation structure, discharge bound moisture, weaken Sludge Surface hydrophily.
Electroosmotic dewatering technology is exactly to realize dehydration using a kind of special double electrical layers existing for sludge.Mud granule
It is negatively charged, and hydrone positively charged, under electric field force effect, electronegative mud granule is moved toward anode plate, and positively charged water
Molecule is moved toward cathode plate.As a kind of new, green, efficient solid-liquid separation technique, electroosmotic dewatering technology is due to having
It the advantages that good dewatering, high, pollution-free, controllability is strong flexibility, receives significant attention, more and more grinds in recent years
Study carefully personnel to be applied among sludge dewatering, to achieve the purpose that carry out deep dehydration to sludge.
Compared with existing deeply dehydrating sludge technology (heat drying, chemical conditioning+high-pressure compressing method etc.), electroosmotic dewatering
Technology has the advantages that a series of uniquenesses, is embodied in：Good dehydrating effect, during electroosmotic dewatering, in electrochemistry
Under reagentia, for sludge cell by electro photoluminescence, electrolysis water directional strength, which moves, generates Brownian movement, the rise of intracellular temperature,
Pressure increases so that membranolysis, water outflow in part film, electroosmotic dewatering, which can remove tradition machinery dehydration, to be taken off
The partial moisture removed, by electroosmotic dewatering, the moisture content of sludge can be reduced to less than 60%；Have compared with heat drying certain
Power savings advantages, reduce sludge deep processing desiccation expense；Minimizing dehydration only is carried out to sludge, does not change the property of sludge
Matter, ingredient do not increase new substance, on subsequent any sludge treating method without influence；Processing procedure cleans, without secondary dirt
Dye.
Current Electroosmosis sludge dewatering equipment primary structure form has electro-osmosis belt mud dewatering equipment, electro-osmosis plate and frame
Sludge dewatering equipment and electro-osmosis Stacked sludge dewatering machine.The Electroosmosis sludge dewatering equipment of three of the above structure, in order to gather
Collect the moisture discharge near cathode, generally require great squeeze force, cause equipment volume huge, complicated, energy consumption
Height, efficiency are low.And in order to which the water effective in sludge is squeezed out, distance is close between positive and negative anodes, once occur in sludge good
Conductor easily punctures strainer, results in the need for frequently safeguarding, replaces strainer.
If the very high sludge of moisture content is directly entered electro-osmosis, it is necessary to remove substantial amounts of moisture, will increase substantially
The energy consumption of electro-osmosis, it is necessary to before electroosmotic dewatering, preliminary hydro-extraction be carried out to sludge using the method for mechanical dehydration so that dirty
Mud moisture content enters back into electroosmotic dewatering after reaching certain degree, reaches optimal energy-saving effect.
However, the sludge dewatering technology that electroosmotic dewatering technology is emerging as one, is also mainly asked at present there is following
Topic：1st, the final moisture content of dehydrated sludge still has 50%-60%, it is difficult to break through 50%, it is difficult to form sludge electroosmotic high mass dryness fraction thoroughly
Dehydration technique；2nd, during electro-osmosis, the moisture content of sludge quickly reduces near anode, and the generation of electrochemical reaction gas
And occurring crack in sludge cake, the contact area between sludge cake and electrode plate reduces, and sludge resistance is caused to increase, electric current
Decline, dehydrating effect is deteriorated；3rd, in dehydration, electric field generation electric current has electric energy and is converted into thermal energy, raises sludge temperature,
It there are in fact energy consumption problem bigger than normal；4th, the porous media of mud cake in a thickness direction is uneven, anode layer moisture percentage in sewage sludge
Relatively low, hydrone accumulates in cathode layer and causes moisture percentage in sewage sludge near cathode plate higher.
Utility model content
In view of this, the utility model increases electric current reduction, electric osmose for anode slime layer resistance existing in the prior art
It is difficult to keep constant the technical issues of voltage gradient, energy consumption are higher, dehydrating effect is poor during thoroughly, a kind of anode slime is provided
Layer can be cut off, and pole plate both end voltage can be according to the electro-osmosis press filtration synergistic mud dewatering device that cake thickness is adjusted in real time, to carry
High dehydration efficiency, effect, and reduce dehydration energy.
The technical solution of the utility model is to provide a kind of electro-osmosis press filtration synergistic mud dewatering with lower structure and fills
It puts, including：
Electro-osmosis press filtration unit, it is interior to be equipped with press filtration chamber, after charging dehydration is realized in the press filtration chamber, then carry out
Electro-osmosis and filter-press dehydration, with the reduction of the moisture percentage in sewage sludge of the anode plate side of electro-osmosis press filtration unit, clay shredder structure starts
It carries out cutting mud action at regular intervals；
Clay shredder structure is equipped in the anode plate side of corresponding electro-osmosis press filtration unit and cuts mud seam gap, at regular intervals institute
State the sludge blanket that clay shredder structure cuts off the anode plate side of electro-osmosis press filtration unit by cutting mud seam gap.
Optionally, the electro-osmosis press filtration unit includes anode plate component, cathode plate component and cylinder, the cylinder
It is installed on the rack slide of rack, the anode plate component, cathode plate component are slidably arranged in cylinder, the press filtration
The space that chamber is made of barrel wall and anode plate component, cathode plate component；It is equipped on the cylinder for clay shredder structure
Perform cut mud action cut mud seam gap, when needing to cut mud, make to cut mud seam gap by mobile cylinder and be placed in press filtration chamber, and close
Anode plate component, it is non-cut pureed state under, then move cylinder and make to cut mud seam gap and leave press filtration chamber.
Optionally, the electro-osmosis press filtration unit further includes connecting plate, and the connecting plate is also mounted at the rack of rack
On slide, the cathode plate component pushes away column by pole plate and is fixedly connected with the connecting plate；The anode plate component also connects
There is pole plate to push away column, driving push rod is with to the extruding of press filtration chamber under the action of force piece.
Optionally, anode plate component includes anode plate and anode cover board, and anode plate is mounted on anode cover board, passes through sealing
Circle realizes sealing installation, and enters mud pipe makes mud enter press filtration chamber through anode plate and anode cover board；Cathode plate component includes
Cathode cover board, cathode plate, cathode pressure ring, outlet pipe and filter cloth, wherein cathode plate are mounted on cathode cover board, and filter cloth is covered in cathode
On plate, filter cloth is pressed on cathode plate by cathode pressure ring, and sealing ring is fitted on cathode cover board and cathode plate, is played sealing and is made
With, have several salient points on cathode cover board, had the gap between salient point, moisture pass through filter cloth and anode plate, then from cathode cover board
Gap flow to outlet pipe.
Optionally, adjusted according to the thickness of press filtration chamber internal filter cake the anode plate component of the electro-osmosis press filtration unit with
Voltage between cathode plate component so that the voltage constant in the unit distance of mud cake.
Optionally, the electro-osmosis press filtration unit further includes orthogonal slide link mechanism, the orthogonal slide link machine
Structure at least one end is connected on cylinder, and wherein one end is connected on connecting plate, by its drive end movement come adjust cylinder with
The relative position of press filtration chamber.
Optionally, the orthogonal slide link mechanism include vertical connecting rod, waling stripe, connecting rod base, diagonal control arm and
Vertical slip ring, wherein connecting rod base are fixedly mounted on cylinder and connecting plate journal stirrup, and the journal stirrup passes through sliding slot and rack slide
Connection, on vertical connecting rod, vertical connecting rod and linkage slide synchronously move up and down and waling stripe are driven to turn vertical slip ring sleeve
It is dynamic, and then change the distance between cylinder and connecting plate and be pushed into cut at mud seam by mud cake, the vertical slip ring of the diagonal control arm connects
It connects, the active force of horizontal direction is provided for vertical connecting rod, be allowed in pressure-filtering process vertically horizontal to slide.
Optionally, the clay shredder structure includes the pusher bar support, cuts mud push rod and push away mud push rod, the pusher bar support
One end be mounted on cylinder, cut mud push rod and push away mud push rod and slides to realize on pusher bar support to cut and mud and push away mud, it is multiple to cut
The equal slidable connection of mud push rod cutting on mud bar slide in rack is cut by mud mechanism, and multiple clay shredder structures push away mud push rod and can slide
It is dynamic to be connected to the pushing away on mud bar slide of rack.
Optionally, the electro-osmosis press filtration unit further includes constant voltage gradient control system, the constant voltage gradient control
System processed includes displacement sensor and supply voltage adjustment module, institute's displacement sensors detection cake thickness, and is fed back
Supply voltage adjustment module to adjust the voltage between cathode plate component and anode plate component, realizes constant voltage gradient electro-osmosis
Dehydration.
Optionally, it is provided on cylinder by anode plate component one side for the blend stop of blocking anode plate component, institute's rheme
Displacement sensor detects anode plate component to the distance and cathode plate component of blend stop to the distance of blend stop in real time, measures mud cake indirectly
Real-time thickness sends thickness signal to controller, and via controller is handled sends signal to change to supply voltage adjustment module
Reference voltage, the voltage for adjusting mud cake both ends in real time so that the voltage gradient on mud cake is constant.
Using more than structure, the utility model has the following advantages：The utility model is high using energy-saving electrical infiltration sludge
When dry dewatering system carries out electroosmotic dewatering, by carrying out energization processing to required processing sludge, the dirt with negative electrical charge
Mud is attracted to anode, and in time cuts off anode dewatered sludge layer, reduces anode slime resistance increase electric current and reduces to electric osmose
The influence that dehydration generates thoroughly.Electroosmotic dewatering is carried out by the way of constant voltage gradient in whole process, further to reduce
Energy consumption improves dehydrating effect and efficiency.
Description of the drawings
Fig. 1 is the structure diagram of the utility model electro-osmosis press filtration synergistic mud dewatering device；
Fig. 2 is the front view of the utility model electro-osmosis press filtration synergistic mud dewatering device；
Fig. 3 is the axis side view of the utility model electro-osmosis press filtration synergistic mud dewatering device；
Fig. 4 is the structure diagram of cathode cover board；
Fig. 5 is the structure diagram of cathode plate；
Fig. 6 is the assembly structure diagram of multiple electro-osmosis press filtration synergistic mud dewatering devices；
Fig. 7 is the front view of multiple electro-osmosis press filtration synergistic mud dewatering devices；
Fig. 8 is the structure diagram of filtrate cache box.
As shown in the figure：1st, mud cylinder is pushed away, 2, cut mud cylinder, 3, cylinder sliding oil cylinder, 4, first plate, 5, push away mud bar slide, 6,
Extrusion oil cylinder, 7, linkage slide, 8, push away mud push rod, 9, cut mud push rod, 10, pusher bar support, 11, connecting plate, 12, orthogonal
Slide link mechanism, 12-1, vertical connecting rod, 12-2, waling stripe, 12-3, connecting rod base, 12-4, diagonal control arm are 12-5, vertical
Slip ring, 13, cut mud bar slide, 14, tailgate, 15, journal stirrup, 16, controlling bus, 17, power cord, 18, cylinder, 19, sliding slot, 20,
Pole plate pushes away column, and 21, displacement sensor, 22, filter cloth cleaning sparge pipe, 23, anode plate limiting cylinder, 24, rack slide, 25, control
Device processed, 26, anode plate component, 26-1, anode cover board, 26-2, anode plate, 26-3, enters mud pipe, 27, cathode plate component, 27-1,
Cathode cover board, 27-2, cathode plate, 27-3, cathode pressure ring, 28, blend stop, 29, filtrate cache box, 30, suction pump, 31, Pneumatic ball
Valve, 32, filtrate cache box water inlet, 33, filtrate cache box water outlet.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
The utility model cover any replacement made in the spirit and scope of the utility model, modification, equivalent method with
And scheme.In order to which the public is made to have thorough understanding to the utility model, in following the preferred embodiment in the utility model specifically
Understand concrete details, and description without these details can also understand that this practicality is new completely for a person skilled in the art
Type.In addition, be not drawn to scale accurately completely for the needs of signal in the attached drawing of the utility model,
This is explained.
The basic solution of the utility model is electro-osmosis press filtration synergistic mud dewatering device, including：
Electro-osmosis press filtration unit, it is interior to be equipped with press filtration chamber, after charging dehydration is realized in the press filtration chamber, then carry out
Electro-osmosis and filter-press dehydration, with the reduction of the moisture percentage in sewage sludge of the anode plate side of electro-osmosis press filtration unit, clay shredder structure starts
It carries out cutting mud action at regular intervals；
Clay shredder structure is equipped in the anode plate side of corresponding electro-osmosis press filtration unit and cuts mud seam gap, at regular intervals institute
State the sludge blanket that clay shredder structure cuts off the anode plate side of electro-osmosis press filtration unit by cutting mud seam gap.
Although single electro-osmosis press filtration synergistic mud dewatering device can complete electroosmotic dewatering work, multiple practicalities
New electro-osmosis press filtration synergistic mud dewatering device forms the dewatering system of whole group, passes through synchronization by being mounted in rack
Work and control, further raising efficiency embody collaboration advantage.
Specific technical detail will be expanded on further with reference to attached drawing.
As shown in the figure, electro-osmosis press filtration unit includes anode plate component 26, cathode plate component 27 and cylinder 18, the cylinder
Body 18 is installed on the rack slide 2 of rack, and the anode plate component 26, cathode plate component 27 are slidably arranged at cylinder 18
Space interior, that the press filtration chamber is made of barrel wall and anode plate component 26, cathode plate component 27；In the cylinder 18
It is equipped with and cuts mud seam gap for what mud action was cut in the execution of clay shredder structure, when needing to cut mud, make to cut mud seam gap by mobile cylinder 18
Be placed in press filtration chamber, and close to anode plate component 26, it is non-cut pureed state under, then move cylinder 18 and make to cut mud seam gap and leave press filtration
Chamber.
The electro-osmosis press filtration unit further includes connecting plate 11, and the connecting plate 11 is also mounted at the rack slide of rack
On 2, the cathode plate component 27 pushes away column 20 by pole plate and is fixedly connected with the connecting plate 11；The anode plate component 26
It is connected with pole plate and pushes away column 20, driving pole plate pushes away column 20 to squeeze press filtration chamber under the action of force piece.
The clay shredder structure includes the pusher bar support 10, cuts mud push rod 9 and push away mud push rod 8, the pusher bar support 10
One end be mounted on cylinder 18, cut mud push rod 9 and push away mud push rod 8 and slides to realize on pusher bar support 10 to cut and mud and push away mud,
Multiple clay shredder structures cut 9 equal slidable connection of mud push rod cutting on mud bar slide 13 in rack, and multiple clay shredder structures push away mud
8 equal slidable connection of push rod is pushed away rack on mud bar slide 5.
Force piece involved by the utility model mainly includes pushing away mud cylinder 1, cuts mud cylinder 2, cylinder sliding oil cylinder 3 and squeeze
Compressing cylinder 6, the control of mud cylinder 1 pushes away 5 rise and fall of mud bar slide and then drive pushes away 8 rise and fall of mud push rod for described pushing away, and cuts mud
The control of cylinder 2, which is cut 13 rise and fall of mud bar slide and then driven, pushes away 9 rise and fall of mud push rod.In addition, anode plate component is by anode
Plate limiting cylinder 23 carries out it /V, and the anode limiting cylinder 23 is mounted at 18 lower half of cylinder cutting mud seam gap,
Front and rear each one and size it is customized according to slit width, stretch out and block from seam in the piston boit into mud anodic limiting cylinder 23
Anode plate component 26.It cuts mud steel wire and pushes away mud and push away item and drop to above enters mud pipe so that anode piston plate will not slide into and cut mud
The left side of seam can cooperate with carry out /V.Servo motion can be used in cylinder sliding oil cylinder 3, its major control cylinder 18 and connecting plate
11 relative distance according to the distance measured by the displacement sensor 21 of anode plate component 26, makes cylinder sliding oil cylinder 3 rise one
Fixed distance, i.e. linkage slide 7 and vertical connecting rod 12-1 rise certain distance, and waling stripe 12-2 tilts cylinder 18 and connects
Fishplate bar 11 slides, and the dry mud layer exposure of anode is cut at mud seam gap.
The electro-osmosis press filtration unit further includes orthogonal slide link mechanism, and described at least one end is connected to cylinder 18
On, wherein one end is connected on connecting plate 11, by it the movement at end is driven to adjust the opposite position of cylinder 18 and press filtration chamber
It puts.The orthogonal slide link mechanism 12 includes vertical connecting rod 12-1, waling stripe 12-2, connecting rod base 12-3, diagonal control arm
12-4 and vertical slip ring 12-5, wherein connecting rod base 12-3 are fixedly mounted on 11 journal stirrup 15 of cylinder 18 and middle connecting plate, institute
It states journal stirrup 15 to be connected with rack slide 24 by sliding slot 19, vertical slip ring 12-5 is sleeved on vertical connecting rod 12-1, vertical connecting rod 12-
1 and linkage slide 7 synchronously move up and down and waling stripe 12-2 driven to rotate, and then change cylinder 18 and middle connecting plate 11
The distance between mud cake is pushed into cut at mud seam, the diagonal control arm 12-4 connect with vertical slip ring 12-5, for vertical connecting rod
12-1 provides the active force of horizontal direction, is allowed in pressure-filtering process vertically horizontal to slide.
First plate 4 is equipped with before multiple electro-osmosis press filtration units, tailgate 14 is equipped with after multiple electro-osmosis press filtration units,
The extrusion oil cylinder 6 is mounted on first plate 4, and the tailgate 14 props up the connecting plate of afterbody electro-osmosis press filtration unit.
The electro-osmosis press filtration unit further includes constant voltage gradient control system, the constant voltage gradient control system bag
Including displacement sensor 21 and supply voltage adjustment module, institute's displacement sensors 21 detect cake thickness, and by its fed power supplies
VRM Voltage Regulator Module to adjust the voltage between cathode plate component 27 and anode plate component 26, realizes constant voltage gradient electro-osmosis
Dehydration.Supply voltage adjustment module can be placed in controller 25, can be also provided separately, and power supply via controller 25 passes through power cord
17 pairs of anode plate components 26 and cathode plate assembly power supply 27 supply anode plate component 26 and cathode plate component by controlling bus 16
Electric 27 supply voltages are controlled.
It is provided on cylinder 18 by 26 one side of anode plate component for the blend stop 28 of blocking anode plate component 26, it is described
Detection anode plate component 26 arrives the distance of blend stop 28 to displacement sensor 21 in real time and cathode plate component 26 arrives the distance of blend stop 28,
The real-time thickness for measuring mud cake is connect, sends thickness signal to controller 25, via controller 25 handles to supply voltage and adjusts mould
Block sends signal to change reference voltage, and the voltage for adjusting mud cake both ends in real time so that the voltage gradient on mud cake is constant.
Pusher bar support 10 is mounted on the cylinder 18, cuts mud push rod 9 and pushes away mud push rod 8 mounted on pusher bar support 10
On, it can independently slide up and down, and cut mud push rod 9 and pushing away mud push rod 8 in the following, anode plate component 26 and cathode plate component 27 exist always
Cylinder 18 is free to slide, but its cylinder that will not slip away under the limitation of blend stop 28.One is provided with immediately below item pushing away pushing away for mud push rod 8
It is a through 18 slot of cylinder, which is used to that the dry mud layer of anode to be exposed to outside cylinder and then be cut off, and the filtrate cache box 29 will
The liquid of press filtration caches one case water source as filter cloth cleaning, and filtrate extraction is cleaned sparge pipe 22 by suction pump 30 by filter cloth
It sprays on filter cloth, and filter cloth can be moved with the slip of cathode plate component 27 so that spray site is one from filter cloth center to outside
It is moved between week.Filtrate cache box 29 is set to be inclined upwardly within 18 weeks equipped with more in the cylinder for collecting the moisture being press-filtered out
A filter cloth cleans sparge pipe 22, and the suction pump 30 is right through filter cloth cleaning sparge pipe 22 by the water extraction in filtrate cache box 29
Filter cloth is cleaned.Filtrate cache box 29, suction pump 30, pneumatic ball valve 31, filtrate cache box water inlet 32 and filtrate cache box
Water outlet 33 forms filtrate buffer unit, and water source is provided for cleaning filter cloth.Filtrate cache box water inlet 32 is less than cathode plate component
Outlet pipe 27-4, in electro-osmosis pressure-filtering process, filtrate is flowed under the effect of gravity in filtrate cache box 29, until liquid is deposited in case
Full, filtrate is discharged automatically from filtrate cache box water outlet 33.
There are the slot of fixed width in 18 top half of cylinder and the latter half and the slot is through cylinder, and are used as and cut
Mud seam gap, the pusher bar support 10 are located at the surface for the slot opened on cylinder 18, and the mud push rod 9 of cutting includes bottom two
The pressing plate of steel wire, the draw runner of both sides and top, the slip ring above pressing plate are hollow among pressing plate for being connected with cutting mud bar slide
Passed through for the item that pushes away that pushes away mud push rod, the mud push rod 8 that pushes away includes the pressure for pushing away item, the draw runner of both sides and top of bottom
Item, the mud push rod 9 of cutting are always positioned at pushing away 8 lower section of mud push rod.
It is that electrode plate includes anode plate component 26 and cathode plate component 27, anode plate to realize one of critical component of electro-osmosis
26-2 is mounted on anode cover board 26-1, realizes sealing installation by sealing ring, enters mud pipe 26-3 runs through anode plate 26-2 and sun
Polar cap plate 26-1 allows mud to enter electro-osmosis chamber.Cathode cover board 27-1, cathode plate 27-2, cathode pressure ring 27-3, go out
Water pipe 27-4, filter cloth and sealing ring composition cathode plate component 27, wherein cathode plate 27-2 is mounted on cathode cover board 27-1, filter cloth
It covers on cathode plate 27-2, filter cloth is pressed on cathode plate 27-2 by cathode pressure ring 27-3, cathode cover board 27-1 and cathode plate
Sealing ring is fitted on 27-2, sealing function is played, there are several salient points on cathode cover board 27-1, had the gap between salient point, electricity
Moisture passes through filter cloth and anode plate during infiltration, then flows to outlet pipe 27-4 from the gap on cathode cover board 27-1.
Rack is equipped with first plate 4, tailgate 14, rack slide 24, pushes away mud bar slide 5, cuts mud bar slide 13 and linkage
Slide 7, is equipped with sliding slot 19 on the journal stirrup 15 on cylinder 18, and sliding slot 19 is fitted close with rack slide 24 so that pressure
Filter unit Stable sliding on guide rail will not tilt.Mud push rod 9 is cut in whole device operational process, pushes away mud push rod 8 and orthogonal
Slide link mechanism 12 is slided on corresponding slide.
Present apparatus operation principle is as follows：
If initial state all reaches minimum for all chamber volumes and anode plate component is close to pole plate blend stop, orthogonal slip
Waling stripe in linkage is in horizontality, and at this moment controller sends corresponding instruction, cuts mud push rod and pushes away mud push rod
Drop to the top of enters mud pipe so that cut pushing away item and can block anode plate component and slide to the left on mud push rod, while anode plate
Limiting cylinder acts, and the stress of three points is fitted through with pushing away item ensures that anode plate will not slip over and cut mud seam.When mud is electric osmose
When saturating chamber shifts maximum onto, anode assemblies plate is close to the piston rod for pushing away item and anode plate limiting cylinder, this is in lasting charging pressure
Under power effect, between 1.5-2.0MPa, mud continues to be pumped to the pressure that sludge is subject to, moisture by filter cloth and cathode plate into
Enter into the water outlet gap on cathode cover board, flowed to from outlet pipe in filtrate cache box, and sludge then stays in electro-osmotic pressure filter chamber
It is interior, it is dehydrated through charging after a while, electro-osmotic pressure filter chamber room is enriched, and mud cannot be introduced into, and is stopped into mud, is realized preliminary de-
Water.
Then extrusion oil cylinder starts to provide pressure for press filtration chamber, i.e., pushing away column by pole plate exerts a force.Power module is negative and positive
Pole plate is powered, and is started to the saturating filter-press dehydration of sludge electroosmotic, and cake thickness can ceaselessly change during this, pass through displacement sensor
It measures the thickness of sludge indirectly in real time, then there is controller to adjust the voltage in each chamber on cathode-anode plate so that entire electricity
The voltage gradient being subject in process of osmosis on mud cake is constant, and anode slime layer becomes to compare after a certain period of time for electro-osmosis press filtration
The dry dramatic rise of resistance, at this time in order to keep the efficiency of electro-osmosis and save electric energy, clay shredder structure is started to work.
Before the action of clay shredder structure, dry mud layer need to be moved to and cut at mud seam gap, controller sends instruction by anode plate /V
The piston of cylinder is retracted, and is cut mud push rod and is pushed away mud push rod and returns to initial state, generally rises to peak.These actions are completed
Rear cylinder body sliding oil cylinder acts, and the distance that anode plate component to blend stop are measured according to displacement sensor determines linkage slide need
The distance to be risen, linkage slide obtain lifting under the action of cylinder sliding oil cylinder, and corresponding cylinder can be to the right
Connecting plate moves, and the dry mud layer of anode is just exposed to cutting at mud seam gap on cylinder, cuts the drive of mud cylinder and cuts mud bar slide and moves downwards
Make, and then cut mud push rod and slide into extreme lower position, dry mud layer with the incision of entire mud cake is separated, the drive of mud cylinder is then pushed away and pushes away mud
Bar slide moves down, and then pushes away mud push rod and slide into extreme lower position, and dry mud layer is released cylinder, realizes dry mud layer excision simultaneously
Also part dump is realized, then cylinder sliding oil cylinder drives linkage slide to move down, and orthogonal slide link mechanism is restored to just
Beginning state, that is, waling stripe keeps horizontal, and chamber is closed again at this time.
It is repeated again after chamber closing into the action after the completion of mud, discharges the action nothing that blocking anode piston plate slides certainly
It needs to repeat, i.e. electro-osmosis press filtration, cuts mud, electro-osmosis press filtration ... is all removed up to mud all in chamber, an electro-osmosis
Press filtration end cycle.
After several electro-osmosis press filtration cycles, start to clean filter cloth, open pneumatic ball valve and suction pump, filtrate caching
Water in case, which is extracted, flows to filter cloth cleaning sparge pipe, is ejected into through the inclination pore on cylinder on filter cloth, at this time blocking anode
The mechanism action that plate slides, anode plate are close to the item that pushes away for pushing away mud push rod, and cylinder sliding oil cylinder moves up and down so that cathode plate component
It ceaselessly horizontally slips in cylinder, the water ejected in such pore can clean entire filter cloth, i.e. water column injection falls
It is ceaselessly moved in the range of putting from filter cloth center to surrounding.
Although embodiment is separately illustrated and is illustrated above, it is related to the common technology in part, in ordinary skill
Personnel apparently, can be replaced and integrate between the embodiments, be related to one of embodiment and the content recorded is not known, then
It can refer to another embodiment on the books.
Only the utility model preferred embodiment is described above, but is not to be construed as the limit to claim
System.The utility model is not only limited to above example, and concrete structure is allowed to vary.It is in short, all only in the utility model
The various change made in vertical scope of the claims is within the protection scope of the present utility model.
Claims (8)
1. a kind of electro-osmosis press filtration synergistic mud dewatering device, including：
Electro-osmosis press filtration unit, it is interior to be equipped with press filtration chamber, after charging dehydration is realized in the press filtration chamber, then carry out electric osmose
Thoroughly and filter-press dehydration, with the reduction of the moisture percentage in sewage sludge of the anode plate side of electro-osmosis press filtration unit, clay shredder structure start every
A period of time carries out cutting mud action；
Clay shredder structure is equipped in the anode plate side of corresponding electro-osmosis press filtration unit and cuts mud seam gap, described at regular intervals to cut
The sludge blanket that mud mechanism cuts off the anode plate side of electro-osmosis press filtration unit by cutting mud seam gap；
The electro-osmosis press filtration unit includes anode plate component (26), cathode plate component (27) and cylinder (18), the cylinder
Body (18) is installed on the rack slide (2) of rack, and the anode plate component (26), cathode plate component (27) are slidably set
It is interior in cylinder (18), the space that the press filtration chamber is made of barrel wall and anode plate component (26), cathode plate component (27)；
On the cylinder (18) be equipped with for clay shredder structure execution cut mud action cut mud seam gap, when needing to cut mud, pass through movement
Cylinder (18) makes to cut mud seam gap and is placed in press filtration chamber, and close to anode plate component (26), it is non-cut pureed state under, then move cylinder
(18) make to cut mud seam gap and leave press filtration chamber；
The clay shredder structure includes pusher bar support (10), cuts mud push rod (9) and push away mud push rod (8), the pusher bar support (10)
One end be mounted on cylinder (18), cut mud push rod (9) and push away mud push rod (8) and slided on pusher bar support (10) and cut mud to realize
With push away mud, multiple clay shredder structures cut mud push rod (9) slidable connection cutting on mud bar slide (13) in rack, multiple to cut mud
Mechanism pushes away mud push rod (8) slidable connection pushing away on mud bar slide (5) in rack.
2. electro-osmosis press filtration synergistic mud dewatering device according to claim 1, it is characterised in that：The electro-osmosis press filtration
Unit further includes connecting plate (11), and the connecting plate (11) is also mounted on the rack slide (2) of rack, the cathode plate
Component (27) pushes away column (20) by pole plate and is fixedly connected with the connecting plate (11)；The anode plate component (26) is also connected with pole
Plate pushes away column (20), and driving pole plate pushes away column (20) to squeeze press filtration chamber under the action of force piece.
3. electro-osmosis press filtration synergistic mud dewatering device according to claim 2, it is characterised in that：Anode plate component (26)
Including anode plate (26-2) and anode cover board (26-1), anode plate (26-2) is mounted on anode cover board (26-1), passes through sealing
Circle realizes sealing installation, and enters mud pipe (26-3) makes mud enter press filtration chamber through anode plate (26-2) and anode cover board (26-1)
Room；Cathode plate component (27) includes cathode cover board (27-1), cathode plate (27-2), cathode pressure ring (27-3), outlet pipe (27-4)
And filter cloth, wherein cathode plate (27-2) are mounted on cathode cover board (27-1), filter cloth is covered on cathode plate (27-2), cathode pressure ring
Filter cloth is pressed on cathode plate (27-2) by (27-3), is fitted with sealing on cathode cover board (27-1) and cathode plate (27-2)
Circle, plays sealing function, has several salient points on cathode cover board (27-1), had the gap between salient point, and moisture passes through filter cloth and anode
Then plate flows to outlet pipe (27-4) from the gap on cathode cover board (27-1).
4. the electro-osmosis press filtration synergistic mud dewatering device according to claim 1,2 or 3, it is characterised in that：According to press filtration
The thickness of chamber internal filter cake is adjusted between the anode plate component (26) of the electro-osmosis press filtration unit and cathode plate component (27)
Voltage so that the voltage constant in the unit distance of mud cake.
5. electro-osmosis press filtration synergistic mud dewatering device according to claim 3, it is characterised in that：The electro-osmosis press filtration
Unit further includes orthogonal slide link mechanism, and described orthogonal slide link mechanism at least one end is connected on cylinder (18),
Middle one end is connected on connecting plate (11), by it the movement at end is driven to adjust the opposite position of cylinder (18) and press filtration chamber
It puts.
6. electro-osmosis press filtration synergistic mud dewatering device according to claim 5, it is characterised in that：The orthogonal slip
Linkage (12) includes vertical connecting rod (12-1), waling stripe (12-2), connecting rod base (12-3), diagonal control arm (12-4) and erects
Straight slip ring (12-5), wherein connecting rod base (12-3) is fixedly mounted on cylinder (18) and connecting plate (11) journal stirrup (15), described
Journal stirrup (15) is connected by sliding slot (19) with rack slide (24), and vertical slip ring (12-5) is sleeved on vertical connecting rod (12-1), is erected
Straight connecting rod (12-1) and linkage slide (7), which synchronously move up and down, drives waling stripe (12-2) to rotate, and then changes cylinder
(18) and mud cake is pushed into cut at mud seam by the distance between connecting plate (11), the diagonal control arm (12-4) and vertical slip ring
(12-5) is connected, and the active force of horizontal direction is provided for vertical connecting rod (12-1), and being allowed in pressure-filtering process being capable of vertically water
It is smooth dynamic.
7. electro-osmosis press filtration synergistic mud dewatering device according to claim 5, it is characterised in that：The electro-osmosis press filtration
Unit further includes constant voltage gradient control system, and the constant voltage gradient control system includes displacement sensor (21) and power supply
VRM Voltage Regulator Module, institute's displacement sensors (21) detection cake thickness, and by its fed power supplies VRM Voltage Regulator Module, to adjust
Voltage between cathode plate component (27) and anode plate component (26) realizes constant voltage gradient electroosmotic dewatering.
8. electro-osmosis press filtration synergistic mud dewatering device according to claim 7, it is characterised in that：It is leaned on cylinder (18)
Anode plate component (26) one side is provided with the blend stop (28) for blocking anode plate component (26), and institute's displacement sensors (21) are real
When detect anode plate component (26) to blend stop (28) distance and cathode plate component (26) arrive blend stop (28) distance, measure indirectly
The real-time thickness of mud cake sends thickness signal to controller (25), and via controller (25) is handled to supply voltage adjustment module
Signal is sent to change reference voltage, the voltage for adjusting mud cake both ends in real time so that the voltage gradient on mud cake is constant.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721210433.5U CN207418545U (en) | 2017-09-19 | 2017-09-19 | A kind of electro-osmosis press filtration synergistic mud dewatering device |
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| CN201721210433.5U CN207418545U (en) | 2017-09-19 | 2017-09-19 | A kind of electro-osmosis press filtration synergistic mud dewatering device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109824236A (en) * | 2019-04-07 | 2019-05-31 | 饶宾期 | Ultrasonic wave, electro-osmosis couple mud dewatering method with mechanism filter-pressing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109824236A (en) * | 2019-04-07 | 2019-05-31 | 饶宾期 | Ultrasonic wave, electro-osmosis couple mud dewatering method with mechanism filter-pressing |
| CN109824236B (en) * | 2019-04-07 | 2022-05-17 | 杭州雅洲智能科技有限公司 | Ultrasonic, electroosmosis and mechanical filter pressing coupled sludge dewatering method |
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