CN106746418A - A kind of automatically cleaning flat board squeezing dewatering machine - Google Patents
A kind of automatically cleaning flat board squeezing dewatering machine Download PDFInfo
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- CN106746418A CN106746418A CN201710115118.2A CN201710115118A CN106746418A CN 106746418 A CN106746418 A CN 106746418A CN 201710115118 A CN201710115118 A CN 201710115118A CN 106746418 A CN106746418 A CN 106746418A
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- strainer
- flat board
- discharge
- dewatering
- automatically cleaning
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/006—Electrochemical treatment, e.g. electro-oxidation or electro-osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
- B01D25/127—Filter presses, i.e. of the plate or plate and frame type with one or more movable filter bands arranged to be clamped between the press plates or between a plate and a frame during filtration, e.g. zigzag endless filter bands
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of automatically cleaning flat board squeezing dewatering machine, including frame, one end of frame is feed end, and the other end is discharge end, also including strainer；Be provided with least one flat board dewatering module between feed end and discharge end, the top of flat board dewatering module include can reciprocating upper splenium part vertically, bottom includes the subiculum part of fixation；The bottom surface of the upper splenium part and top surface of subiculum part is parallel and horizontal plane；The subiculum part includes discharge opeing frid, and sump pit, the discharge outlet connection vacuum pick-up system of sump pit are laid with the discharge opeing frid；The vacuum pick-up system includes vavuum pump and auto liquor drainage tank, and the outlet connection vavuum pump of auto liquor drainage tank, the liquid-inlet of auto liquor drainage tank is connected with the discharge outlet of sump pit respectively；Strainer cycle rotation, wherein the part between feed end and discharge end is located between upper splenium part and subiculum part.The beneficial effects of the invention are as follows：Discharge effect, the cleaning strainer of filtrate can be strengthened, press dewatering is more effectively carried out.
Description
Technical field
The present invention relates to field of Environment Protection, more particularly, to a kind of automatically cleaning flat board squeezing dewatering machine for Treatment of Sludge.
Background technology
, close to 40,000,000 tons, the sludge average moisture content after primary dewatering is about for the annual Treatment of Sludge total demand of China
80%.The existing requirement to Treatment of Sludge is：Minimizing, innoxious, stabilisation, resource, wherein minimizing are most important,
Ask and the moisture content of sludge be reduced to 50% or so from 80%, sludge volume is reduced more than half, form relatively steady state,
Cannot be easily caused secondary pollution.The mode that link commonly uses drying or depth extruding is dehydrated in current Treatment of Sludge.Drying is needed
A large amount of energy consumptions are consumed, can also generate needs the foul smell of further treatment；Need to carry out sludge dosing in extrusion process quenched,
The side effect of medicament is that the over dry total amount for making sludge increases, and shale is deteriorated, and causes follow-up disposal difficult.Chinese patent literature
CN104817247A, " pressure electro-osmosis desiccation machine " is disclosed on the 5th in August in 2015, and the equipment includes：Frame；Modular unit,
It is arranged in the frame, including pressue device, pressure-bearing device, lead column, Flexible Reset part, upper insulation plate, lower insulation plate；
The pressue device is fixed in the frame；The two ends of the pressure-bearing device are set in the lead column, the reset bullet
Property part is also set in the lead column；The upper insulation plate is fixed on the bottom of the pressure-bearing device, the lower insulation plate
The lower section of upper insulation plate is set；The surface inserting of the upper insulation plate has positive plate；The surface inserting of the lower insulation plate has the moon
Pole plate；Material conveying device；Distribution device and device for discharging.The program is realized by way of direct current drives liquid to flow
Sludge dewatering.But the program there is also some defects, it is the suspension comprising a small amount of mud granule to be dehydrated the filtrate for producing,
Suspension is easily deposited in natural discharge process, blocks apocenosis passage, the sludge that the filtrate do not drained in time can be dehydrated
Back suction, influences dehydrating effect.Additionally, strainer frequently contacts sludge, mud granule can be attached on strainer, block the net on strainer
Hole, influences follow-up dehydrating effect.
The content of the invention
For the technical problem that above-mentioned existing scheme is present, the present invention is intended to provide a kind of automatically cleaning flat board press dewatering
Machine, can strengthen discharge effect, the cleaning strainer of filtrate, more effectively carry out press dewatering.
To achieve these goals, the present invention is adopted the following technical scheme that：A kind of automatically cleaning flat board squeezing dewatering machine, including
Frame, one end of frame is feed end, and the other end is discharge end, also including strainer；It is provided with least between feed end and discharge end
One flat board dewatering module, the top of flat board dewatering module include can reciprocating upper splenium part vertically, bottom includes fixation
Subiculum part；The bottom surface of the upper splenium part and top surface of subiculum part is parallel and horizontal plane；The subiculum part includes row
Liquid bath plate, is laid with sump pit, the discharge outlet connection vacuum pick-up system of sump pit on the discharge opeing frid；The vacuum suction
System includes vavuum pump and auto liquor drainage tank, the pumping end connection vavuum pump of auto liquor drainage tank, the liquid-inlet of auto liquor drainage tank
It is connected with the discharge outlet of sump pit respectively；Strainer cycle rotation, wherein the part between feed end and discharge end is positioned at upper
Between splenium part and subiculum part；Treating material is entered by feed end, is layed in the upper surface of strainer, and upper splenium part is transported downwards
It is dynamic, physical impact is implemented to the material on strainer, after material dewatering, dehydrated material band is implemented to discharge end by strainer
Material.
It is that dewaterer devises a strainer in the technical program, strainer sequentially passes through each roller under dynamic action
Body, forms a reciprocation cycle, wherein one section between feed end and discharge end, it is for carrying material, constituting
Squeezing is interval, and the squeezing for the treatment of material is just completed in the interval.Realize squeezing action is flat board dewatering module, Ke Yishi
One, can also be if necessary the multiple being together in series.Flat board dewatering module includes upper and lower two parts, and upper part is mainly
Upper splenium part, can move up and down under dynamic Control, and bottom point includes subiculum part, the bottom surface of upper splenium part and subiculum part
Top surface it is parallel to each other across strainer.When treating material is entered by feed end, and divide on strainer, strainer is transported to discharge end
Dynamic, by material web to squeezing when in interval, upper splenium part is moved downward, and across strainer pressing materials, carries out press dewatering.Squeezing
Sump pit of the filtrate of generation from discharge opeing frid is inhaled into vacuum pick-up system, finally enters auto liquor drainage tank and realizes automatic row
Liquid.Squeeze while aspirate filtrate, filtrate is difficult to accumulate in by material, will not be by dehydrated material back suction, can be all the time
Keep completing the relatively low moisture content after dehydration.Simultaneously as vacuum pick-up system is designed with, the salvage stores particle on strainer
Also can be sucked away, the mesh of strainer can as far as possible keep cleaning unimpeded, contribute to strainer to keep good in follow-up cycle operation
Good filterability.Material dewatering is finished, after upper splenium part rises, strainer carry dehydrated material to discharging end motion,
Discharge end completes discharging.General, feed end can configure feed arrangement, for example, keep the charger of feed balance, can make thing
Relatively uniform material scraping plate spread out on strainer of material etc.；Discharge end can configure drawing mechanism, for instance in resting position
Unloader knife, strainer is operated to discharge end, and dehydrated material touches discharging scraper and after being separated from strainer, strainer
Return downwards；With strainer drive device to drive, core component can be one or more power rollers to strainer；Upper splenium part it is upper
Lower reciprocating motion can be controlled by cylinder or oil cylinder；The power-equipment and DC power supply of whole equipment can be by PLC controls
Device is controlled.Flat board dewatering module can quantitatively be extended, and coordinate the strainer of necessary length, can meet not jljl
The different press dewaterings requirement of material.
Preferably, being additionally provided with dc source；The bottom surface of the upper splenium part is fixed between positive plate, the both sides of positive plate
Every the anode that dc source is uniformly connected with conductor；The top surface of the subiculum part is fixed with minus plate, the both sides of minus plate
The evenly spaced negative electrode that dc source is connected with conductor；When the material on filter-pressing strap under upper splenium part, dc source is connected,
Electric current flows into minus plate by positive plate by material, to material synchronization implementation electroosmotic dewatering.Can also be by introducing direct current
Mode electroosmotic dewatering is carried out to material.Dc source is connected with evenly spaced conductor in the both sides of pole plate, it is possible to achieve
The static input of electric energy and pole plate electric energy density mean allocation, it is to avoid virtual connection is struck sparks, extend the life-span of positive plate, improve electro-osmosis
Effect.Integrated cost and effect, the material of conductor are advisable with red copper.
Preferably, being additionally provided with sealing frame between positive plate and strainer；Treating material is by strainer band to correspondence sealing frame
Position after, upper splenium part is moved downward, and positive plate touches sealing frame first, and constitutes sealing space with sealing frame, minus plate,
Treating material is compressed into this sealing space, and electroosmotic dewatering is carried out while physical squeezing is dehydrated.Upper splenium part and
Relative motion between subiculum part, makes the material in squeezing interval to be overflowed to surrounding by pressure feedback deformation when being pressurized.
This programme devises sealing frame, and treating material is only capable of deforming in the space of sealing frame when being pressurized, is no longer overflowed to surrounding.
Material up and down respectively contact positive plate and minus plate, it is possible to persistently implement electro-osmosis.
Preferably, the sealing frame is connected with the compressible elastic component of vertical direction, the bottom pair of flat board dewatering module
That answers is provided with the guiding mechanism that guide direction is vertical direction；When upper splenium part touches treating material, with pending thing
Material institute water content is extruded discharge, and thickness is thinning, and sealing frame can be moved downward with the guide direction of guiding mechanism, and be remained
The bottom surface contact treating material of upper splenium part simultaneously applies pressure.The technical program can be perpendicular after devising compression for sealing frame
Nogata structure flexible upwards.When upper splenium part pushes material, material can be thinning in the range of sealing frame, but when material contains
When water is higher, material thickness is not higher than the height of sealing frame frame, and the bottom surface of upper splenium part is only capable of touching sealing frame
Frame, it is impossible to which the material of opposite side inframe applies enough pressure.After this programme is applied, when upper splenium part is pushed, first
Material can be spread out in the range of sealing frame；When upper splenium part continues to push, when bottom surface touches the housing of sealing frame, sealing frame
The elastic force of elastic component can be overcome to move gradually downward, the meeting of the distance between the top surface of splenium part and subiculum part is gone up in the process
It is less and less, and be located at this position material cannot displacement, can be subject to the increasing pressure, realize fully dehydration；Finally, reach
After being required to dehydration, upper splenium part rises, and seal groove drives strainer to recoil to home position upwards.The elastic component for wherein using can
To be steel spring or air spring, guiding mechanism can be with lead column, or the keyway being vertically arranged fit structure etc., can
To be together with spring assembly, or be independently arranged.
Preferably, the height that the sealing frame is higher by negative electrode plate top surface is not less than 30mm.Limit sealing frame and be higher by negative electrode
The height of plate top surface, volume is limited after the squeezing of material when making to squeeze every time in sealing frame.If highly set
Height, may cause squeezing insufficient, and dehydrating effect fails to meet requirement；Highly set too low, it is de- that single squeezing action is completed
Water workload is too small, influences operating efficiency.
Preferably, the material of the sealing frame is rigid insulating materials.Use insulating materials, it is to avoid electric current is direct
Minus plate is flow to from the sealed frame of positive plate, rigid makes sealing frame itself not to be pressed down to force compression deformation, so as to influence
The volume of sealing space.
Preferably, the discharge opeing groove depth laid on the discharge opeing frid is not less than 20mm.By the depth design of sump pit
It is relatively deep, the possibility blocked by the suspended particulate in filtrate can be reduced with aspect, on the one hand aspirated there is provided broader filtrate
Passage.Filtrate is accelerated to be sucked the speed for leaving treating material.
Preferably, the sump pit laid on discharge opeing frid is connected in length and breadth in the horizontal direction.Sump pit is in the horizontal direction
On connect in length and breadth, constitute the network structure of similar matts, the sump pit of any one position occurs blocking all without to entirety
Suction effect impact, filtrate can be still sucked away by network structure from the sump pit on blocking position periphery.
Preferably, being evenly equipped with the through hole of some confession pressing filtrate discharges on the minus plate, these through holes pass through discharge opeing
The discharge outlet connection vacuum pick-up system of groove.Through hole is directly opened up on minus plate, can make that filtrate is most fast to be entered from minus plate
Sump pit is sucked away, and improves dewatering speed.
Preferably, the bottom of the flat board dewatering module is additionally provided with purging system；The purging system includes rinse water
Pump and cleaning water pipe；Flushing water pump connection cleaning water pipe, the spray direction of the shower nozzle of cleaning water pipe is interval interior with non-squeezing
Strainer in-plane formed angle；When strainer returns back to feed end by discharge end, be pumped to for cleaning fluid by flushing water pump
Cleaning water pipe, is sprayed from shower nozzle to strainer surface.Because the squeezing effect of the technical program is preferable, the material after squeezing contains
Water is relatively low, therefore material particles are easily sticked on strainer, after same position is by repeatedly squeezing operation, the aperture on strainer
Easily it is blocked, influences follow-up squeezing effect.Therefore, this programme specially devises purging system, by purging system to filter
Band carries out cleaning showers, effectively solves this problem.In order to obtain more preferable spraying effect, it may be considered that in cleaning fluid
Mixing compressed air, is sprayed with gas-liquid mixture to strainer.
Preferably, the purging system also includes vacuum tank, vacuum tank is located at the shower nozzle for not setting cleaning water pipe of strainer
Side；Vacuum tank one end connects vavuum pump, and one end is provided with opening, and opening direction is just to the spray side of the shower nozzle of cleaning water pipe
To.In order to raffinate after improving cleaning performance and being easy to collection to clean, this programme are provided with vacuum tank, vacuum tank connects vavuum pump,
The spray direction of the shower nozzle being open just to cleaning water pipe of vacuum tank.When operation is sprayed, vavuum pump is opened, it is true in vacuum tank
Dummy status can by opening by spray liquid and by sweep away come material particles siphon away.
Preferably, the plane side of the spray direction of the shower nozzle of the cleaning water pipe and the strainer in non-squeezing interval
It is right angle to the angle for being formed.Right angle is sprayed, the best results of spray, and the consumption of spray liquid is minimum, and the pressure of spray can be adjusted
Section is most saved water and energy to minimum.
In sum, the beneficial effects of the invention are as follows：Discharge effect, the cleaning strainer of filtrate can be strengthened, more effectively
Carry out press dewatering.The dewaterer designed using this programme, can not only apply in traditional sludge dewatering treatment, moreover it is possible to
The fields such as food, bio-pharmaceuticals, chemical industry, construction material play a role.
Brief description of the drawings
Fig. 1 is structural representation of the invention, and dc source and connection circuit are not shown in the drawing.
Fig. 2 is the A-A sectional views of Fig. 1.
Fig. 3 is the structural representation of flat board dewatering module.
Fig. 4 is that sealing frame applies the fiting relation figure on flat board dewatering module.
Fig. 5 is the top view of sealing frame.
Fig. 6 is the schematic diagram of vacuum pick-up system and purging system.
Wherein：1 frame, 2 chargers, 3 power rollers, 4 sealing frames, 5 roll bodies, 6 strainers, 7 strainer motors, 8 dischargings are scraped
Knife, 9 purging systems, 10 vacuum pick-up systems, 14 oil cylinders, 15 increased pressure boards, 16 insulation boards, 17 positive plates, 18 minus plates, 19 discharge opeings
Frid, 20 pressure-bearing casings, 21 nylon laths, 22 springs, 23 lead columns, 24 fixed plates, 25 vavuum pumps, 26 auto liquor drainage tanks, 27
Pneumatic operated valve, 28 vacuum manifolds, 29 manifolds, 30 flushing water pumps, 31 cleaning water pipes, 32 vacuum tanks.
Specific embodiment
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3 shows, it is a kind of automatically cleaning flat board squeezing dewatering machine.The dewaterer includes being fixed on ground
Frame 1, the right-hand end of frame is feed end, and left-hand end is discharge end, and feed end is provided with charger 2, and discharge end is provided with and unloads
Material scraper 9.Strainer 6 is installed, strainer is propped up by several roll bodies 5 in frame, strainer motor 8 drives power roller 3 to rotate,
Strainer is driven to form the circulating ring for rotating counterclockwise.It is interval that strainer constitutes squeezing from charger to a section between unloader knife.
At least one flat board dewatering module is installed in the interval, this example is cascaded for two.Flat board dewatering module includes upper
Lower two parts：Top includes the increased pressure board 15, insulation board 16 and the positive plate 17 that from top to bottom overlap successively；The two ends of positive plate to
Upper bending, kink is detachably mounted to the relative position of insulation board by bolt, and increased pressure board is installed in and is fixed on frame
On the oil cylinder 14 of top, the bottom surface of positive plate is horizontal plane；Bottom point includes the minus plate 18, the insulation that from top to bottom overlap successively
Discharge opeing frid 19 and pressure-bearing casing 20, the both sides of minus plate are folded upward at, and kink is detachably mounted to row by bolt
The relative position of liquid bath plate.The evenly spaced anode that dc source is connected with copper belt in both sides of pole plate；The both sides of minus plate
The evenly spaced negative electrode that dc source is connected with copper belt.In this example, anode flat plate uses precious metal material, and sludge to connect
Tactile bottom surface sintering has the conductive coating of electrical erosion resistance；Minus plate material is 316 stainless steels.The sump pit laid on discharge opeing frid
Depth is not less than 20mm, and the depth in this example is 25mm, and sump pit is connected in length and breadth in the horizontal direction, constitutes similar matts
Network structure.
As shown in figure 5, sealing frame is rectangle, outer framework is nylon lath 21.As shown in Figure 3, Figure 4, sealing frame is located at the moon
The top of pole plate, the lower section of strainer, it is highly not less than 30mm higher than minus plate upper surface, and this example is higher than minus plate upper surface
35mm.The guiding mechanism of above-below direction is respectively and fixedly provided with four side lateral walls of outer framework, this example uses lead column 23,
The lower end of lead column is fixed with fixed plate 24, and location-plate is fixed with the side wall of pressure-bearing casing, and lead column passes through location-plate, fixed
Being abutted between position plate and the upper end fixing point of lead column has spring 22.
As shown in fig. 6, simultaneously combining shown in Fig. 1, this dewaterer is also devised with vacuum pick-up system 10 and purging system 9.Row
The groove and through hole of discharge opeing are evenly equipped with liquid bath plate, these grooves and through hole connect vacuum manifold 28 respectively, then are collected to collection
Liquid house steward 29, the import of the outlet connection auto liquor drainage tank 26 of manifold, the pumping end connection vavuum pump 25 of auto liquor drainage tank,
And the through hole that some confession pressing filtrates are discharged is evenly equipped with minus plate, the groove and through hole on these through holes and discharge opeing frid connect
It is logical, drain into auto liquor drainage tank for the filtrate for producing will be squeezed.Purging system is arranged on the lower section of frame, and flushing water pump 30 is connected
Cleaning water pipe 31, strainer is close to plane operating on vacuum tank 32, and cleaning water pipe is arranged on strainer top, and shower nozzle is perpendicular to strainer
Plane, vacuum tank lower end connects vavuum pump by vacuum pick-up system, and the upper end open of vacuum tank is just to the spray direction of shower nozzle.
The outlet side of vavuum pump can also be by compressed air feeding cleaning fluid, and the cleaning fluid that will be mixed with compressed air by water pump is pumped to spray
Head is sprayed.In vacuum pick-up system, in order to ensure vacuum effectiveness, multiple pneumatic operated valves 27 are provided with pipeline.
The automatically cleaning flat board squeezing dewatering machine of this example, its working condition is：Respectively will by the charger on the right side of machine first
Two parts of appropriate pending muds are delivered on strainer, strainer drive sludge to left movement, make two parts of sludge respectively correspond to one it is close
The position of frame is sealed, now the positive plate of top is pressed downward under oil cylinder pushing, and the bottom surface of positive plate contacts sludge first
Summit, gradually spreads out in the range of sealing frame after sludge stress around, and thickness is also gradually thinning, and part moisture content starts to overflow
Go out.Then, the bottom surface of positive plate contacts the outer framework of sealing frame, makes sealing frame integrally overcome spring to move down, and is located at
Sludge between sealing frame and the bottom surface of positive plate is supported by lower section discharge opeing frid, it is impossible to bottom offset, therefore suffered from
The increasing extruding force in top, its thickness more and more thinner, substantial amounts of moisture content is extruded.Simultaneously, dc source starts
Power supply, minus plate of the direct current by the positive plate of top through the sludge stream in sealing frame downwards, electro-osmosis is implemented to sludge
Dehydration, until meet dehydration requiring.Then oil cylinder pushing positive plate rises and resets, and circuitry cuts, electro-osmosis terminates, and spring is also pushed away
Dynamic sealing frame is risen overally reset, and strainer carries two parts of sludge for having completed dehydration to be continued to left movement, during to high order end, is unloaded
Material scraper successively with two parts dewatered sludge contact, sludge is separated with strainer, strainer cycle operation downwardly and to the right, to sludge
Press dewatering step is completed.
In the press dewatering step to sludge, there is substantial amounts of filtrate to carry a small amount of mud granule with the form of suspension
It is extruded, these suspension enter vacuum manifold by the through hole on minus plate, sump pit, the hole laid on discharge opeing frid etc.,
Manifold is collected to again, and auto liquor drainage tank is inhaled into by pull of vacuum, it is final to realize dealing carefully with and discharging.
In the press dewatering step to sludge, strainer can speckle with a small amount of mud granule after being separated with sludge, with
Operation continues, and these particles are more and more, blocks the filter opening on strainer, can influence the operating efficiency of equipment.Flushing water pump is opened
Supplied water after opening, vavuum pump supplies compressed air after opening, steam mixture is sprayed from shower nozzle, and cleaning showers are carried out to strainer, is washed away
These mud granules, keep the unobstructed of filter opening.The raffinate for sweeping away is siphoned away by the opening of vacuum tank, feeding auto liquor drainage tank treatment.
The automatically cleaning flat board squeezing dewatering machine of this example, substantial amounts of optimization, energy have been carried out in traditional electroosmotic dewatering equipment
More efficient realizes electro-osmosis press dewatering, has used sealing frame to improve the efficiency of press dewatering, has used vacuum suction
System can collect filtrate, use purging system to be rinsed to strainer.In the control of equipment, can be by each height
The power control system of equipment is integrated in PLC control cabinet, realizes the convenient manipulation of operator.
The automatically cleaning flat board squeezing dewatering machine of this example, has used two flat board dewatering modules.It is such as inessential, it is also possible to only to make
With a flat board dewatering module；If any application demand, flat board dewatering module can also quantitatively be extended, and be one another in series
Come, coordinate the strainer of necessary length, the different press dewatering requirements of different material can be met.In the multiple flat boards using series connection
During dewatering module, can also make marching to different flat boards dehydration moulds successively with portion treating material by programming Control
When in block, serial dehydration is carried out from shallow to deep, to realize running at high speed for equipment, improve disposed of in its entirety effect.
Claims (10)
1. a kind of automatically cleaning flat board squeezing dewatering machine, including frame（1）, one end of frame is feed end, and the other end is discharge end,
It is characterized in that, also including strainer（6）；At least one flat board dewatering module, flat board dehydration mould are provided between feed end and discharge end
The top of block include can reciprocating upper splenium part vertically, bottom includes the subiculum part of fixation；The bottom surface of upper splenium part
And horizontal plane parallel with the top surface of subiculum part；The subiculum part includes discharge opeing frid（19）, cloth on the discharge opeing frid
It is provided with sump pit, the discharge outlet connection vacuum pick-up system of sump pit；The vacuum pick-up system includes vavuum pump（25）With oneself
Dynamic Drainage tank（26）, the pumping end connection vavuum pump of auto liquor drainage tank, the liquid-inlet of auto liquor drainage tank respectively with sump pit
Discharge outlet is connected；Strainer cycle rotation, wherein the part between feed end and discharge end is located at upper splenium part and lower supporting portion
Between part；Treating material is entered by feed end, is layed in the upper surface of strainer, and upper splenium part is moved downward, on strainer
Material implements physical impact, after material dewatering, is implemented dehydrated material band to discharge end by strainer to discharge.
2. a kind of automatically cleaning flat board squeezing dewatering machine according to claim 1, it is characterized in that, it is additionally provided with dc source；Institute
The bottom surface for stating splenium part is fixed with positive plate（17）, the evenly spaced sun that dc source is connected with conductor in both sides of positive plate
Pole；The top surface of the subiculum part is fixed with minus plate（18）, the both sides of minus plate are evenly spaced to connect direct current with conductor
The negative electrode in source；When the material on filter-pressing strap under upper splenium part, dc source is connected, and electric current is flowed into cloudy by positive plate by material
Pole plate, to material synchronization implementation electroosmotic dewatering.
3. a kind of automatically cleaning flat board squeezing dewatering machine according to claim 2, it is characterized in that, between positive plate and strainer also
It is provided with sealing frame（4）；After treating material is by strainer band to the position of correspondence sealing frame, upper splenium part is moved downward, positive plate
Sealing frame being touched first, and constituting sealing space with sealing frame, minus plate, treating material is compressed into this sealing space,
Electroosmotic dewatering is carried out while physical squeezing is dehydrated.
4. a kind of automatically cleaning flat board squeezing dewatering machine according to claim 3, it is characterized in that, the sealing frame is connected with perpendicular
Nogata is to compressible elastic component（22）, the bottom of flat board dewatering module is corresponding to be provided with the guiding that guide direction is vertical direction
Mechanism（23）；When upper splenium part touches treating material, as treating material institute water content is extruded discharge, thickness becomes
Thin, sealing frame can be moved downward with the guide direction of guiding mechanism, and remain that the bottom surface contact of splenium part is pending
Material simultaneously applies pressure.
5. a kind of automatically cleaning flat board squeezing dewatering machine according to claim 1 or 2 or 3 or 4, it is characterized in that, the discharge opeing
The discharge opeing groove depth laid on frid is not less than 20mm.
6. a kind of automatically cleaning flat board squeezing dewatering machine according to claim 1 or 2 or 3 or 4, it is characterized in that, discharge opeing frid
The sump pit of upper laying is connected in length and breadth in the horizontal direction.
7. a kind of automatically cleaning flat board squeezing dewatering machine according to Claims 2 or 3 or 4, it is characterized in that, on the minus plate
The through hole of some confession pressing filtrate discharges is evenly equipped with, these through holes connect vacuum pick-up system by the discharge outlet of sump pit.
8. a kind of automatically cleaning flat board squeezing dewatering machine according to claim 1 or 2 or 3 or 4, it is characterized in that, the flat board
The bottom of dewatering module is additionally provided with purging system；The purging system includes flushing water pump（30）With cleaning water pipe（31）；Cleaning
Water pump connection cleaning water pipe, cleans the spray direction of the shower nozzle of water pipe and the in-plane shape of the strainer in non-squeezing interval
Into angle；When strainer returns back to feed end by discharge end, cleaning fluid is pumped to cleaning water pipe by flushing water pump, from shower nozzle to filter
Belt surface is sprayed.
9. a kind of automatically cleaning flat board squeezing dewatering machine according to claim 8, it is characterized in that, the purging system also includes
Vacuum tank（32）, vacuum tank is positioned at the side of the shower nozzle for not setting cleaning water pipe of strainer；Vacuum tank one end connects vavuum pump, one end
It is provided with opening, opening direction is just to cleaning the spray direction of the shower nozzle of water pipe.
10. a kind of automatically cleaning flat board squeezing dewatering machine according to claim 9, it is characterized in that, the spray of the cleaning water pipe
The angle that the spray direction of head is formed with the in-plane of the strainer in non-squeezing interval is right angle.
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| CN109432841A (en) * | 2018-12-06 | 2019-03-08 | 浙江核星机械制造有限公司 | A kind of band vacuum filtration formula filter press |
| CN115466033A (en) * | 2022-11-14 | 2022-12-13 | 枣庄市金地源环保设备有限公司 | A mud hydroextractor for sewage treatment |
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