CN112206555A - Large circular plate high-pressure automatic filter press - Google Patents
Large circular plate high-pressure automatic filter press Download PDFInfo
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- CN112206555A CN112206555A CN202011153628.7A CN202011153628A CN112206555A CN 112206555 A CN112206555 A CN 112206555A CN 202011153628 A CN202011153628 A CN 202011153628A CN 112206555 A CN112206555 A CN 112206555A
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- pulling device
- pressure
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- 238000001914 filtration Methods 0.000 claims abstract description 38
- 238000003825 pressing Methods 0.000 claims abstract description 34
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000009471 action Effects 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 5
- 230000003578 releasing effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 11
- 230000010354 integration Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 39
- 239000007788 liquid Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000000306 component Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012065 filter cake Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
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- 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
-
- 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
- B01D25/172—Plate spreading means
-
- 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
- B01D25/30—Feeding devices ; Discharge devices
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a large circular plate high-pressure automatic filter press, which relates to the field of environmental protection equipment and mainly comprises a frame part, a filtering part, a hydraulic system, an automatic plate pulling device and an electric control system. The invention improves the single-machine yield by adopting the large-area circular filter pressing plate, is assisted by the sealing surface, is used for ensuring the sealing performance of each filter chamber during filter pressing, and effectively avoids the phenomenon of slurry leakage among the filter plates during high-pressure filter pressing. Meanwhile, the double oil cylinders are horizontally arranged side by side, so that the space is saved, and the filtering pressure can be effectively improved; the invention also adopts a mode of simultaneously feeding slurry at two ends, thereby further reducing the filter pressing time and improving the filtering efficiency. In addition, the automatic filter press provided by the invention is designed and manufactured by adopting mechanical, electrical and hydraulic integration, can realize the automatic control of each procedure of pressing, filtering, squeezing, loosening and unloading the filter plate and the like, and has strong practicability.
Description
Technical Field
The invention relates to the field of environment-friendly equipment, in particular to a large circular plate high-pressure automatic filter press.
Background
The automatic filter press is a pressurized filtering device, is suitable for solid-liquid separation of various suspensions, has the advantages of wide application range, good separation effect, simple structure, convenient operation, safety, reliability and the like, and is widely applied to various fields needing solid-liquid separation, such as ceramic mud making, sand washing, tailing treatment, industrial wastewater, urban domestic sewage treatment and the like.
The existing filter press mostly adopts a square filter plate, but the square filter plate has small area, low yield and low filtering pressure, and when the pressure flow of a material pump is ultrahigh, slurry leakage can be generated, so that the filter press cannot be used for ceramic filter press. In addition, the existing filter press only carries out single-side pulp feeding at the tail part, so that the pulp feeding pressure is small, the flow is small, the speed is slow, and the efficiency is low. The present invention is therefore directed to solve the above problems of low single-machine throughput, low filtration pressure and long pressing time.
Disclosure of Invention
The invention aims to provide a large circular plate high-pressure automatic filter press, which solves the problems in the prior art, adopts a circular filter plate, has large filter press area and high single-machine yield, and improves the filter pressure, the filter press time and the working efficiency by arranging double oil cylinders.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a large circular plate high-pressure automatic filter press, which specifically comprises:
the device comprises a rack, a positioning device and a control device, wherein the rack comprises a base, two ends of the base are respectively provided with a thrust plate and a pushing plate, and the pushing plate is connected with more than two pushing oil cylinders;
the filtering mechanism is arranged between the thrust plate and the push plate and comprises a plurality of circular filter plates and a filtering medium positioned between the plates; the two ends of the filtering mechanism are provided with slurry inlets;
the automatic plate pulling device comprises a plate pulling device and a driving motor for driving the plate pulling device to operate, and the plate pulling device is slidably mounted on two sides of the base; the plate pulling device is used for performing plate pulling and discharging actions after filter pressing is completed so as to sequentially pull the circular filter plates back to the original positions;
the hydraulic system is used for controlling the operation of the pushing oil cylinder so as to realize the compressing and releasing actions of the filtering mechanism;
and the driving motor and the hydraulic system are electrically connected with the electric control system, and the electric control system is used for realizing the automatic control of the whole machine.
Optionally, the two sides of the base are respectively provided with a crossbeam, the crossbeam is provided with a slide rail, and the plate pulling device is slidably mounted on the slide rail.
Optionally, a filter plate handle is arranged on the periphery of the top of the circular filter plate.
Optionally, a plate taking hook is arranged on the plate pulling device and used for hooking the filter plate handle when the plate pulling device reaches the position of the filter plate.
Optionally, a drain pipe is arranged at the bottom of the circular filter plate.
Optionally, the filter medium is a filter cloth.
Optionally, the two pushing oil cylinders are arranged side by side.
Optionally, an oil cylinder seat is arranged at one end of the frame, the pushing oil cylinder is mounted on one side of the oil cylinder seat, and the hydraulic system is mounted above the oil cylinder seat.
Optionally, each circular filter plate is provided with a sealing surface for ensuring the sealing performance of each filter chamber during filter pressing.
Compared with the prior art, the invention has the following technical effects:
the large circular plate high-pressure automatic filter press provided by the invention improves the single-machine yield by adopting the large-area circular filter press plate, is assisted by the sealing surface, is used for ensuring the sealing performance of each filter chamber during filter pressing, and effectively avoids the phenomenon of slurry leakage among the filter plates during high-pressure filter pressing. Meanwhile, the double oil cylinders are horizontally arranged side by side, so that the space is saved, and the filtering pressure can be effectively improved; the invention also adopts a mode of simultaneously feeding slurry at two ends, thereby further reducing the filter pressing time and improving the filtering efficiency.
In addition, the automatic filter press provided by the invention is designed and manufactured by adopting mechanical, electrical and hydraulic integration, can realize the automatic control of each procedure of pressing, filtering, squeezing, loosening and unloading the filter plate and the like, and has strong practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of the right side perspective structure of a large circular plate high pressure automatic filter press according to the present invention;
FIG. 2 is a schematic diagram of the left side perspective structure of the large circular plate high pressure automatic filter press according to the present invention;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is a rear view of FIG. 1;
FIG. 6 is a left side view of FIG. 3;
FIG. 7 is a right side view of FIG. 3;
FIG. 8 is a schematic structural view of a plate puller;
FIG. 9 is a schematic diagram of the hydraulic system of the present invention;
FIG. 10 is a schematic diagram of the electrical control system of the present invention;
wherein the reference numerals are: 1. a frame; 2. a machine base; 3. a thrust plate; 4. a push plate; 5. pushing and pressing the oil cylinder; 6. a filtering mechanism; 7. a circular filter plate; 8. a filter medium; 9-1, a front slurry inlet; 9-2, a rear slurry inlet; 10. a plate pulling device; 10-1, taking a plate hook; 10-2, a top plate hook; 11. a drive motor; 12. a hydraulic system; 13. a cross beam; 14. a slide rail; 15. a filter plate handle; 16. a liquid discharge pipe; 17. a cylinder block; 18. an electric cabinet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a large circular plate high-pressure automatic filter press which adopts a circular filter plate, has large filter pressing area and high single-machine yield, and improves the filter pressure, reduces the filter pressing time and improves the working efficiency by arranging double oil cylinders.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The first embodiment is as follows:
as shown in fig. 1 to 7, the present embodiment provides a large round plate high pressure automatic filter press, which has a length dimension of up to two meters and is a large filter press compared to the conventional filter press; on the basis, the area of the circular filter plate is larger than that of the existing filter plate, so that the single-machine yield is improved. The large circular plate high-pressure automatic filter press mainly comprises a frame part, a filtering part, a hydraulic system, an automatic plate pulling device and an electric control system. Wherein:
the frame part includes frame 1, and frame 1 includes frame 2, and the both ends of frame 2 are provided with thrust plate 3 and bulldoze board 4 respectively, and one side of bulldozing board 4 is connected with two and bulldozes hydro-cylinders 5 side by side. The piston rod on the oil cylinder body pushes the push plate 4 to press the filter plate and the filter medium between the push plate 4 and the thrust plate 3, so as to ensure that the filter pulp with pressure is pressurized and filtered in the filter chamber. In the embodiment, the diameter of the oil cylinder is increased to improve the filtering pressure and reduce the squeezing time.
The filtering mechanism 6 is arranged between the thrust plate 3 and the push plate 4, and comprises a plurality of circular filter plates 7 and a filtering medium 8 positioned between the plates; and two ends of the filtering mechanism 6 are respectively provided with a slurry inlet, namely a front slurry inlet 9-1 and a rear slurry inlet 9-2. In this embodiment, the circular filter plate 7 and the filter media 8 between the plates are arranged in order on the housing, and the production can be improved by increasing the diameter of the circular filter plate 7. The filter plate is a core component of the filter press, the material, form and quality of the filter plate can directly influence the quality of a final product, and the modified reinforced high-density polyethylene filter plate is preferably adopted in the embodiment, so that the filter plate has the characteristics of good mechanical property, stable chemical property, pressure resistance, heat resistance, corrosion resistance, no toxicity, good sealing property, easiness in washing and the like. Meanwhile, the filtering medium 8 is preferably a filtering cloth, which plays a very critical role in the filtering process, and the performance of the filtering cloth is good or bad, which directly affects the filtering effect, and the non-woven fabric and the polypropylene fabric are preferably used in this embodiment.
The automatic plate pulling device comprises a plate pulling device 10 and a driving motor 11 for driving the plate pulling device 10 to operate; the cross beams 13 on the two sides of the base are provided with slide rails 14, and the plate pulling device 10 is slidably mounted on the slide rails 14 and used for performing plate pulling and discharging actions after filter pressing is completed so as to sequentially pull the circular filter plates 7 back to the original positions; the driving motor 11 is installed at the bottom of the machine base 2, and its output shaft is connected with the plate pulling device 10 through a conventional transmission component such as a chain wheel, a chain and the like, so as to drive the plate pulling device 10 to slide on the slide rail 14. After the filtering is finished, the discharging is started, the pushing plate 4 is loosened in place, the driving motor 11 is electrified to rotate, and the plate pulling devices 10 on the two main beams are driven by the chain wheels and the chains to synchronously move the filter plates until all the filter plates are pulled. The puller 10 then receives a reset signal back to the initial position so that a discharge process is completed. The structure of the plate pulling device 10 is shown in fig. 8, a plate taking hook 10-1 and a top plate hook 10-2 are arranged on the plate pulling device 10, the plate taking hook 10-1 and the top plate hook 10-2 are oppositely arranged and are respectively hinged and installed at the top of the plate pulling device 10 through rotating shafts, and each hinged pull is provided with a torsion spring for restoring the plate hook when the plate hook is pulled up or jacked up.
The hydraulic system 12, in this embodiment, the hydraulic system 12 is used to control the operation of each pushing cylinder 5 to realize the compressing and releasing actions of the filtering mechanism, and the hydraulic components and the main control valve of the hydraulic station adopt the prior art, so that the hydraulic system has the characteristics of flexible operation, safety and reliability, and can ensure various performance indexes of the filter press. The control scheme of the hydraulic system 12 is shown in fig. 9, in which: the electric contact pressure gauge can set the upper and lower control pressure values at will, and has the advantages of stable and reliable action, high precision, good vibration resistance, long service life and the like. The hydraulic oil pump adopts a variable axial plunger pump, and has the advantages of high volumetric efficiency, stable operation, good flow uniformity, low noise, high working pressure and the like. The large flow rate is realized during the empty load, the empty stroke time of the oil cylinder can be shortened, the cycle times are increased, and the working efficiency is improved; the flow is automatically reduced when the pressure is increased, the power of the motor is saved, and the energy consumption is reduced. The Y2 series three-phase asynchronous motor used in the hydraulic station has the advantages of high efficiency, energy conservation, small vibration, low noise, long service life, high reliability, convenient maintenance and the like. The whole oil cylinder device is customized, the surface of the piston rod is plated with chrome, and the precision of each part is strictly controlled to ensure stable and reliable work.
In this embodiment, the hydraulic system 12 is a power device for the main machine to perform the compressing and releasing actions, and under the action of the electric control system, a part of the system is completed by the oil cylinder, the oil pump and the hydraulic component; when the system is pressed by the hydraulic station and the oil cylinder, the system seals each filter chamber for filtering, and when the system is released, the system is used for discharging. The embodiment can realize the functions of automatic pressing, automatic pressure maintaining, automatic pressure supplementing, automatic pressure relief, automatic loosening and the like, and specifically comprises the following steps:
a. automatic pressing
When the pressing is started, the motor of the oil pump of the hydraulic station and the electro-hydraulic reversing valve are electrified (as shown in figure 9), the motor drives the oil pump to start supplying oil to the high-pressure cavity of the oil cylinder, the piston rod moves forward under the action of oil pressure to push the pushing plate 4 to press the filter plate, when the pressure reaches the upper limit of the electric contact pressure gauge, the motor and the electro-hydraulic reversing valve are de-electrified, the motor automatically stops running, and the pressure maintaining state is achieved.
B. Automatic pressure compensation
After the filter press compresses the filter plate, the hydraulic control one-way valve locks a loop and maintains pressure, the valve core of the electro-hydraulic reversing valve is in a middle position, when the oil pressure is reduced to the lower limit of the electric contact pressure gauge, the electric contact pressure gauge sends an electric signal, the pump station motor and the electromagnetic reversing valve are powered, and the oil pump supplies oil to the rear cavity of the oil cylinder for pressure compensation. When the pressure reaches the upper limit of the electric contact pressure gauge, the pump station motor and the electromagnetic directional valve are de-energized, the pump station motor automatically stops running, and the automatic pressure compensation is completed in such a circulating way.
C. Automatic release
When the filtration is finished, the high-pressure unloading valve is unloaded (time is 3-5 seconds), then the pump station motor and the electromagnetic directional valve are powered on, the pump station motor drives the oil pump to supply oil to the low-pressure cavity of the oil cylinder, the piston rod drives the push plate to retreat, when the push plate is in contact with the limit switch, the pump station motor and the electromagnetic directional valve are powered off, and at the moment, the system automatically stops. And when the automatic discharging is completed, one cycle is completed.
And the electric control system is arranged on the oil cylinder seat 17 in the form of an electric cabinet 18, the driving motor 11 and the hydraulic system 12 are electrically connected with the electric control system, and the electric control system is used for realizing the automatic control of the whole machine. In this embodiment, the electrical control system is a control center of the whole system, which is a conventional control technology, and as shown in fig. 10, it mainly includes an electrical control cabinet, a circuit breaker, an air switch, an intermediate relay, a PLC, a frequency converter, a travel switch, a proximity switch, and the like. The electric control system has two working modes: automatic and manual. Wherein:
in an automatic mode, the whole action process of the filter press runs in sequence according to a design program. The operation process is as follows: the air switch is closed, the power supply is turned on, the selection switch is turned to the automatic position, the push plate advancing button is pressed, the pump station motor starts, the pressing electromagnetic valve is electrified, the push plate advances, and after the upper limit of the pressure of the oil cylinder is reached, the push plate automatically stops, and the pressure maintaining and automatic pressure supplementing state is achieved. After filtration is finished, a push plate retreating button is pressed, a high-pressure unloading valve is opened to release pressure, the unloading valve is closed after the pressure is reduced to a certain degree, then a pump station motor is started, a loosening electromagnetic valve is powered on, a piston rod drives a push plate to retreat continuously, and after the loosening limit is reached, the pump station motor is stopped, and the loosening valve is powered off. And when all the filter plates are pulled open and unloaded, the plate pulling device returns to the initial position under the control of a program. Such a cycle is complete. The next cycle can then proceed.
The manual mode is usually used in the equipment debugging stage, and the forward and backward functions of the push plate are equivalent to the automatic mode, and the difference is that the plate taking action is different from the plate pulling action. In a manual mode, a plate taking button is pressed down, a plate pulling motor drives a plate pulling device to move forward towards the direction of a filter plate, the plate pulling device stops automatically when a plate taking hook abuts against a handle of the filter plate, then the plate pulling button is pressed down, the plate pulling motor drives the plate pulling device, an upper plate pulling hook of the plate pulling device hooks the handle of the filter plate to drive the filter plate to retreat so as to finish plate pulling action, and single-step action of a plate pulling trolley can be realized by repeatedly pressing the plate taking button and the plate pulling button.
In this embodiment, as shown in fig. 1, 6, and 7, a filter plate handle 15 is disposed on the periphery of the top of the circular filter plate 7, and when the plate pulling device 10 pulls the plate to discharge, the plate taking hook 10-1 hooks the filter plate handle 15 to discharge.
In this embodiment, as shown in fig. 1, a drain pipe 16 is provided at the bottom of the circular filter plate 7. When the filtration starts, the filter pulp enters the filter chamber through the front slurry inlet 9-1 and the rear slurry inlet 9-2 under the driving of the feed pump, the filter pulp performs solid-liquid separation by the pressure generated by the feed delivery pump, the solid is left in the filter chamber to form a filter cake under the action of the filter medium, and the filtrate is discharged by the liquid discharge pipe 16.
In this embodiment, as shown in fig. 1, an oil cylinder base 17 is disposed at one end of the frame, the fixed end of the pushing oil cylinder 5 is mounted on one side of the oil cylinder base 17, and the hydraulic system 12 and the electric cabinet 18 are both mounted above the oil cylinder base 17.
In this embodiment, each circular filter plate 7 is provided with a sealing surface for ensuring the sealing performance of each filter chamber during filter pressing.
In this embodiment, the overall material of the base 2 is 45# overall steel plate, which can ensure safe and stable use, and has the characteristics of strong lateral bending resistance, large tensile strength and good mechanical properties. Meanwhile, the thrust plate 3, the pushing plate 4 and the cylinder block 17 are preferably made of integral cast steel, so that the thrust plate is not easy to deform and has high strength.
The operation of the filter press according to the present embodiment will be described in detail below:
the method comprises the following steps: pressing tightly
Firstly, checking whether an upper limit pointer of an electric contact pressure gauge on a lower oil cylinder is adjusted to a pressure maintaining range, then closing an air switch, rotating a rotary switch to be manual, then pressing a push plate advancing button, starting pressing a push plate 4, and automatically stopping running of a motor when the pressure reaches the upper limit of the electric contact pressure gauge;
step two: automatic pressure maintaining device
After the motor stops operating, opening a feed inlet valve to start feeding; at the moment, the filter press is in an automatic pressure maintaining state, the filter pulp starts to be filtered through the filter medium under the action of feeding pressure, and when the pressure of the oil cylinder reaches the lower limit of the electric contact pressure gauge, the filter press can automatically supplement pressure;
step three: is loosened
When the filtration is finished, a push plate retreating button is pressed to relieve pressure, the push plate retreats automatically after 3-5 seconds of delay, and the motor stops automatically after contacting with a travel switch;
step four: manual pull plate
Pressing down a plate taking button, automatically taking a plate by a plate pulling device 10, pressing down the plate pulling button after the plate is taken, automatically pulling the plate by the plate pulling device 10, unloading a filter cake between two filter plates in the process, repeatedly taking and pulling the plate by the plate pulling device 10, unloading the filter cake, returning a trolley to the original position to contact a limit switch, and stopping the operation of a driving motor 11, thereby completing a working cycle;
step five: or automatically take out the pulling plate
When the automatic control is used, the pressing and loosening procedure is the same as the manual mode operation, the manual plate taking and pulling is in a single-step working state, and the automatic mode is in a continuous plate taking and pulling state: rotating the rotary switch to an 'automatic' position, then pressing a 'plate taking' button, automatically completing plate taking and plate pulling actions by the system, automatically returning to a starting plate pulling device stop position after all plate taking is completed, and waiting for the next work cycle;
when the pulling plate is taken, the sliding rod on one side of the main beam is pulled to contact with the proximity switch sensing signal, so that the action interruption and pause of the plate pulling device can be realized, and the plate pulling device can continue to work by pulling the sliding rod for the second time.
After the work is finished, a switchboard switch is turned off, and a power supply is cut off; the hydraulic pipeline needs to be safely unloaded; to ensure safety.
Therefore, the large circular plate high-pressure automatic filter press provided by the embodiment improves the single-machine yield by adopting the large-area circular filter press plate, is assisted by the sealing surface, is used for ensuring the sealing performance of each filter chamber during filter pressing, and effectively avoids the phenomenon of slurry leakage among the filter plates during high-pressure filter pressing. Meanwhile, the double oil cylinders are horizontally arranged side by side, so that the space is saved, the structural compactness of the mechanism is improved, and the filtering pressure can be effectively improved; the invention also adopts a mode of simultaneously feeding slurry at two ends, thereby further reducing the filter pressing time and improving the filtering efficiency.
In addition, the automatic filter press that this embodiment provided adopts machine, electricity, liquid integration design and manufacturing, can realize that the filter plate compresses tightly, filters, squeezes, the filter plate loosens, the automatic control of each process such as unloading, and the practicality is strong.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. A large circular plate high-pressure automatic filter press is characterized by comprising:
the device comprises a rack, a positioning device and a control device, wherein the rack comprises a base, two ends of the base are respectively provided with a thrust plate and a pushing plate, and the pushing plate is connected with more than two pushing oil cylinders;
the filtering mechanism is arranged between the thrust plate and the push plate and comprises a plurality of circular filter plates and a filtering medium positioned between the plates; the two ends of the filtering mechanism are provided with slurry inlets;
the automatic plate pulling device comprises a plate pulling device and a driving motor for driving the plate pulling device to operate, and the plate pulling device is slidably mounted on two sides of the base; the plate pulling device is used for performing plate pulling and discharging actions after filter pressing is completed so as to sequentially pull the circular filter plates back to the original positions;
the hydraulic system is used for controlling the operation of the pushing oil cylinder so as to realize the compressing and releasing actions of the filtering mechanism;
and the driving motor and the hydraulic system are electrically connected with the electric control system, and the electric control system is used for realizing the automatic control of the whole machine.
2. The large circular plate high-pressure automatic filter press according to claim 1, wherein the machine base is provided with cross beams on both sides thereof, the cross beams are provided with slide rails, and the plate pulling device is slidably mounted on the slide rails.
3. The large circular plate high pressure automatic filter press according to claim 1, wherein a filter plate handle is provided on the top periphery of the circular filter plate.
4. The large circular plate high-pressure automatic filter press according to claim 3, wherein the plate pulling device is provided with a plate taking hook for hooking the filter plate handle when the plate pulling device reaches the filter plate position.
5. The large circular plate high pressure automatic filter press according to claim 1, wherein a drain pipe is provided at the bottom of the circular filter plate.
6. A large circular plate high pressure automatic filter press according to claim 1, wherein the filter medium is a filter cloth.
7. The large circular plate high pressure automatic filter press according to claim 1, wherein two pushing cylinders are provided side by side.
8. The large circular plate high-pressure automatic filter press according to claim 1, wherein an oil cylinder base is provided at one end of the frame, the push oil cylinder is installed at one side of the oil cylinder base, and the hydraulic system is installed above the oil cylinder base.
9. The large circular plate high-pressure automatic filter press according to claim 1, wherein each circular filter plate is provided with a sealing surface for ensuring the sealing performance of each filter chamber during filter pressing.
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| CN202011153628.7A CN112206555A (en) | 2020-10-26 | 2020-10-26 | Large circular plate high-pressure automatic filter press |
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| CN202011153628.7A CN112206555A (en) | 2020-10-26 | 2020-10-26 | Large circular plate high-pressure automatic filter press |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813658A (en) * | 2021-08-04 | 2021-12-21 | 长沙市市政工程有限责任公司 | Slurry filter press for bridge pile foundation construction |
| CN114405085A (en) * | 2022-01-25 | 2022-04-29 | 泉州市创绿机械工贸有限公司 | Bidirectional parallel voltage-stabilizing feeding type circular plate filter press |
Citations (8)
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| CN213555544U (en) * | 2020-10-26 | 2021-06-29 | 潮州市潮安区增盛陶瓷机械科技有限公司 | Large circular plate high-pressure automatic filter press |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113813658A (en) * | 2021-08-04 | 2021-12-21 | 长沙市市政工程有限责任公司 | Slurry filter press for bridge pile foundation construction |
| CN113813658B (en) * | 2021-08-04 | 2022-08-26 | 长沙市市政工程有限责任公司 | Slurry filter press for bridge pile foundation construction |
| CN114405085A (en) * | 2022-01-25 | 2022-04-29 | 泉州市创绿机械工贸有限公司 | Bidirectional parallel voltage-stabilizing feeding type circular plate filter press |
| CN114405085B (en) * | 2022-01-25 | 2023-02-10 | 泉州市创绿机械工贸有限公司 | Bidirectional parallel voltage-stabilizing feeding type circular plate filter press |
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