CN103111106B - Plate-and-frame filter press - Google Patents
Plate-and-frame filter press Download PDFInfo
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- CN103111106B CN103111106B CN201310088236.0A CN201310088236A CN103111106B CN 103111106 B CN103111106 B CN 103111106B CN 201310088236 A CN201310088236 A CN 201310088236A CN 103111106 B CN103111106 B CN 103111106B
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Abstract
The invention relates to a plate-and-frame filter press which comprises a support, two cross beams and a hydraulic compressing device arranged on the support, wherein a push plate, a stop plate and a plate-and-frame group are arranged between the two cross beams, one side of each plate frame is in a plane structure, another side of each plate frame is a frame convex, each plate frame has a concave structure inside, one side of each plate frame plane is provided with a plate frame extruding balance beam, a spring and a small hydraulic cylinder are arranged between each plate frame and each plate frame extruding balance beam, a hydraulic oil opening is arranged on a small hydraulic cylinder body, the hydraulic oil opening is connected with a hydraulic oil support pipe, and a hydraulic oil branch pipe on each plate frame is communicated with a hydraulic oil main pipe on each plate frame. The position except a material inlet on the surface at one side of each plate frame is provided with an automatic filter cloth cleaning device. The plate-and-frame filter press is simple in structure, each plate frame can be synchronously pushed in the process of filter-press, the plate frames can be compacted with one another, the material can not be lost, the plate-and-frame filter press is high in filter-press efficiency, the workload of the hydraulic compressing device can be effectively reduced, each plate frame can not deform or be damaged, and the plate-and-frame filter press has a function for cleaning a filter cloth on line.
Description
Technical field
The present invention relates to a kind of plate and frame filter press, belong to solid-liquid separating equipment technical field.
Background technology
Plate and frame filter press is a kind of intermittent solid-liquid separating equipment, has the features such as light and handy, flexible, reliable, is to be arranged and formed filter chamber by filter plate, filter frame, under the effect of dehvery pump, feed liquid is delivered to each filter chamber, by filter medium, by solid and fluid separation applications.Plate and frame filter press is compared other solid-liquid separating equipments such as centrifuge, has reduced investment, economize on electricity, and the advantages such as safety, are widely used in the sewage disposal of chemical industry, dyestuff, oil, pottery, medicine, food, smelting and all trades and professions etc.The compression mode of filter press has manual compression (small dimension), mechanical compaction and three kinds of forms of hydraulic compression.Manually compress is that screw-jack promotes pressure strip compression; Mechanical compaction is that motor is joined H type reduction box, promotes pressure strip compress through frame drive disk assembly; Hydraulic compression is to have the hydraulic cylinder parts of Hydraulic Station in frame to promote pressure strip to compress.Two crossbeams are thrust plate and the hold down gag formation frame that connects together, in frame, pressure strip and hold down gag are hinged, between thrust plate and pressure strip, be arranged in order filter plate (porose or atresia), plate and thrust plate match, laminate and pressure strip match, and filter plate two sealing surfaces clip filter medium; Hold down gag promotes pressure strip, and all filter plates are pressed in frame, reaches after specified thrust, can filter.The charging hole of suspension from thrust plate enters each filter chamber (space between adjacent filter plate), and solid particle is filtered medium and is trapped in filter chamber, and filtering sees through medium, by going out to determine outside hole discharge machine.Existing hydraulic compression is all that the hydraulic cylinder parts of Hydraulic Station in frame promote pressure strip compression filter plate towards a direction, and because hydraulic cylinder parts are to promote to compress filter plate towards a direction, lower, a same energy consumption of binder output, easily causes energy waste.
For improving press filtration effect, reduce the water content after press filtration, increase work efficiency, current filter press is provided with spring mechanism between mainboard and secondary frame, but, the use of spring mechanism makes this patent have following shortcoming: 1) spring mechanism is arranged between mainboard and secondary frame, mainboard to both sides and secondary frame produce tension force, the too much use of spring, in press filtration compaction process, resistance is large, hydraulic compressing device workload is strengthened, Efficiency Decreasing, one time press filtration material is less, 2) due to the difference of each spring tension, in pressure-filtering process, can not keep sheet frame balance to advance, error is large, after easily making sheet frame distortion and press filtration, moisture percentage in sewage sludge is higher, 3) spring is along with the increase of access times, can there is permanent deformation in spring mechanism, if the spring generation deformation of mainboard and a certain position of secondary frame, in pressure-filtering process, hydraulic cylinder parts promote pressure strip sheet frame are pushed, the deformation of spring causes mainboard and secondary frame all angles discontinuity, easily cause sheet frame distortion, when serious, even material is revealed, cannot normally work, according to practical production experience, need to just change spring every a period of time, but spring is arranged between mainboard and secondary frame, changing spring need all dismantle sheet frame device, replacing difficulty is large, maintenance cost is high.
Chinese patent CN102728114A discloses a kind of hydraulic variable chamber filter press frame, comprise base plate and frame, described sheet frame entirety is frame protrusion, inner recess structure, described base plate is arranged at a side of frame, on described frame, is provided with charging aperture, and its opposite side is provided with movably push pedal, between described base plate and push pedal, be provided with hydraulic cylinder, described push pedal is connected with hydraulic cylinder.Described hydraulic variable chamber filter press frame is simple in structure, be easy to realize, it adopts cast-iron structure, can bear immense pressure and indeformable, extremely strong sealing load can be provided, feed pressure can reach 1.6MPa-2MPa, inner squeezing can provide the 4MPa squeezing strength of left and right, and the material water ratio after dehydration reaches 50% left and right, has significantly reduced the disposal cost in mud later stage.But the oil cylinder of this patent directly acts on push pedal, easily cause push pedal distortion, the use of oil cylinder causes in pressure-filtering process, and poorly sealed reality between sheet frame and sheet frame is easily leaked material.
Due in filter process, a part is thin, clay material can be attached in the middle of filter cloth surface or filter opening, needs filter cloth to clean after scraper etc. is unsnatched filter cake, to ensure the good air permeability of filter cloth, improves filter efficiency.Existing filter cloth cleaning device complex structure, equipment investment is high, complex operation.
Chinese patent CN102921679A discloses the self-driven cleaning device of filter cloth cleaner, comprises the wiper mechanism and the PLC flow governor that are placed on housiung separator, is also provided with the walking mechanism for wiper mechanism is moved left and right on housiung separator; Wiper mechanism, walking mechanism are connected with PLC flow governor respectively and are all controlled.Wiper mechanism is connected in walking mechanism by elevating mechanism, and elevating mechanism is the cylinder combining structure being connected with PLC flow governor.The self-driven cleaning device of this filter cloth cleaner has not only adopted stable truss structure, and adopts PLC control system, and it accomplishes that a key presses the organic connections of machine-electricity-liquid-gas together, automatic operation, thus save manpower, improve operating efficiency.But complex structure, cost is high, complex operation.
The plate and frame filter press of prior art, the sheet frame size of existing plate and frame filter press is 1.7m × 1.7m, the quantity of pushing sheet frame in pressure-filtering process is not more than 50, if be more than 50, large hydraulic cylinder is because excess load cannot normally be worked.In 50 sheet frames, on between the mainboard of each sheet frame and secondary frame, be provided with 72 springs, the elastic force of every spring is approximately 90 kgfs, the all spring forces of each sheet frame are: 0.648 ton, the elastic force of all springs of whole plate and frame filter press adds up to: 324 tons, after need overcoming the elastic force of all springs when large hydraulic cylinder works, could push sheet frame, when large hydraulic cylinder works, need overcome after the elastic force of all springs is 176 tons to sheet frame extruding force, and large hydraulic cylinder is 3.52 tons to the active force of each sheet frame after overcoming the elastic force of all springs.
The sheet frame of plate and frame filter press of the present invention, due to the setting of small cylinder 11, small cylinder 11 is in press filtration pressing materials process, the piston rod of small cylinder shrinks, sheet frame to both sides and sheet frame extruding balance money do not produce power, reduce because the setting of small cylinder 11 makes the number of springs between sheet frame 9 of the present invention and sheet frame extruding balance frame 10, are provided with 32 springs on each sheet frame, the elastic force of every spring is approximately 90 kgfs, and all spring forces of each sheet frame are: 0.288 ton.Compared with existing plate and frame filter press, the elastic force of all springs of whole plate and frame filter press reduces, after overcoming the elastic force of all springs when large hydraulic cylinder works, the extruding force of sheet frame is increased, use identical large hydraulic cylinder, the quantity of pushing sheet frame in pressure-filtering process increases, through evidence, when 500 tons of large hydraulic cylinder press filtrations of the present invention, can push 70～80 sheet frames.
Therefore when small cylinder of the present invention seals, large hydraulic cylinder is not produced to any resistance, plate and frame filter press of the present invention is compared with existing plate and frame filter press, use same large hydraulic cylinder, the sheet frame of a press filtration of the present invention is more, the output that has improved a press filtration, has improved operating efficiency, Energy Intensity Reduction.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of plate and frame filter press, this plate and frame filter press is simple in structure, and in pressure-filtering process, each sheet frame can synchronously promote, tight between sheet frame and sheet frame, material does not run off, efficiency of press filtering is high, effectively reduces the workload of hydraulic compressing device, and sheet frame is indeformable, do not damage, and there is the function of on-line cleaning filter cloth.
Technical scheme of the present invention is as follows:
A kind of plate and frame filter press, comprise support, rack-mount two crossbeams and be arranged on the hydraulic compressing device in frame, between two crossbeams, be fixedly installed slurcam, stop plate, slurcam, stop between plate and be provided with several filter plates and sheet frame, sheet frame, filter plate composition filter chamber, above filter chamber, be provided with filter cloth, it is characterized in that: the one side of described each sheet frame is planar structure, another side is that frame protrudes, inner recess structure, be provided with sheet frame extruding balance frame in a side of sheet frame plane, between described sheet frame and sheet frame extruding balance frame, be provided with spring, between four frames of sheet frame extruding balance frame and sheet frame, be respectively provided with small cylinder, small cylinder comprises cylinder body and is slidably arranged at the piston in cylinder body, cylinder body is connected on sheet frame, the piston rod of piston is connected with sheet frame extruding balance frame, small cylinder is arranged between spring, on the cylinder body of small cylinder, be provided with hydraulic oil port, hydraulic oil port connecting fluid force feed arm, hydraulic oil arm on each sheet frame is connected with hydraulic oil house steward.
Preferred according to the present invention, in the middle of each sheet frame, be provided with material inlet, position on sheet frame one side surface except material inlet arranges filter cloth automatic flushing device, described filter cloth automatic flushing device comprises scavenge pipe and nozzle, scavenge pipe comprises branch's scavenge pipe, be connected with the vertical cleaning pipe vertical with branch scavenge pipe in a side of branch's scavenge pipe, between vertical cleaning pipe, be connected with and parallel scavenge pipe, vertical cleaning pipe is connected with parallel scavenge pipe, be provided with spray apertures at vertical cleaning pipe with on parallel scavenge pipe, spray apertures is connected with nozzle, one end of branch's scavenge pipe is by the external high-pressure wash house steward of flexible pipe.
According to the present invention, further preferred, the spray apertures on adjacent vertical cleaning pipe is crisscross arranged, and the spray apertures on adjacent parallel scavenge pipe is crisscross arranged.The advantage of this kind of design: spray apertures is evenly distributed, makes clean range wider, and area is larger, cleans without dead angle.
According to the present invention, further preferred, vertical cleaning pipe connects by three-way pipe or four-way pipe with parallel scavenge pipe.Make convenient disassembly by three-way pipe or four-way pipe, convenient maintenance and replacement.
At the densely covered bossed particle of one side of filter plate, another side is provided with projection, forms groove between projection, and the groove between scavenge pipe and projection is relative, described nozzle extends to filter plate and is densely covered with the one side of projection particle through filter plate, the upper end of described nozzle is lower than the upper surface of projection particle.Filter cloth is arranged on filter chamber top, also be filter plate top, nozzle reaches the object of direct cleaning filter cloth through filter plate, entering water under high pressure by high-pressure wash house steward directly utilizes water under high pressure to carry out on-line auto-cleaning to the filter cloth on every filter plate, cleaning efficiency is high, when the upper end of nozzle prevents press filtration lower than the upper surface of projection particle, material extruding jet nozzle damages nozzle.
The one side that described vertical cleaning pipe, parallel scavenge pipe contact with sheet frame is provided with spray apertures, and the spray nozzle in spray apertures extends to filter plate and be densely covered with the one side of projection particle through sheet frame and filter plate.Be provided with scavenge pipe in the one side of sheet frame like this, another side is not established scavenge pipe, and the scavenge pipe of one side cleans the filter cloth of sheet frame both sides simultaneously, saving resource, resources effective utilization.
The upper surface of the frame upper surface protruding in each sheet frame one side and sheet frame extruding balance frame is equipped with sealing ring.Sealing ring ensures between sheet frame in conjunction with tight, make the filter chamber that forms between adjacent sheet frame tight, the material that high pressure injects does not outflow, when extruding, do not leak material, prevent contaminated environment, prevent that filter cloth from directly contacting with irony sheet frame simultaneously, the long-time filter cloth of grinding away that uses, or particle on irony sheet frame cuts filter cloth, the use of sealing ring has extended the service life of filter cloth.
Described sealing ring is silicone rubber O-ring.
Cylinder base at small cylinder arranges screw rod, the cylinder body of small cylinder is threaded on sheet frame, small cylinder piston rod end outer surface is provided with screw thread, and small cylinder piston rod is threaded with sheet frame extruding balance frame, between hydraulic oil arm and hydraulic oil house steward, is connected with oil cylinder synchronous valve.
Side at sheet frame and sheet frame extrusion stability frame is provided with sheet frame steady wheel, described sheet frame steady wheel comprises pulley, guide rail and pulley bracket, described guide rail is fixed on the sidewall of sheet frame, pulley is arranged on guide rail and can slides along guide rail, described pulley bracket is rectangular flat plate shape, be fixedly connected on the sidewall of sheet frame extrusion stability frame, described pulley bracket is two, be symmetricly set on guide rail both sides, on pulley bracket, be provided with pulley regulating tank, insert respectively in pulley regulating tank the end of the pulley spindle of pulley both sides.Sheet frame extrusion stability frame moves with the direction of extrusion on the guide rail of sheet frame along pulley, existing stable pin produces deviation resistance in sheet frame extrusion process, resistance is larger, increase the load of hydraulic compressing device, sheet frame steady wheel design of the present invention is in the side of sheet frame and sheet frame extrusion stability frame, sheet frame and sheet frame extrusion stability frame are moved with the direction of extrusion in extrusion process, prevent in pressure-filtering process, sheet frame and sheet frame extrusion stability frame translation dislocation, play stable sheet frame and sheet frame extrusion stability frame, in stabilization process, do not produce resistance.
Described sheet frame, sheet frame extruding balance frame all adopt cast iron or Steel material to make.
Described hydraulic oil house steward and high-pressure wash house steward are separately positioned on the both sides of support.
Preferably, hydraulic compressing device comprises large hydraulic cylinder, and hydraulic cylinder comprises cylinder body and is slidably arranged at the piston in cylinder body greatly, and the cylinder body of large hydraulic cylinder is fixed on support, and the piston rod of piston is connected and is connected to slurcam central authorities by flange.
The position, middle and upper part of described sheet frame both sides is connected between two crossbeams by connecting rod.
Excellent results of the present invention is as follows:
1, plate and frame filter press of the present invention, be provided with sheet frame extruding balance frame in a side of sheet frame plane, between sheet frame and sheet frame extruding balance frame, be provided with spring and small cylinder, spring and small cylinder are used in combination, spring plays cushioning effect, small cylinder is by the control of oil cylinder synchronous valve, in pressure-filtering process, hydraulic cylinder plays synchronous propelling sheet frame, utilize the pasta balance of hydraulic cylinder to promote sheet frame, avoid the difference due to each spring tension, in pressure-filtering process, can not keep sheet frame balance to advance, cause sheet frame distortion, the setting of small cylinder makes press filtration extrusion process sheet frame and sheet frame extruding balance frame producing balanced forces, can bear immense pressure indeformable, the present invention reduces the quantity of spring, small cylinder is set, make to reduce to the tension force of both sides, reduce the resistance in press filtration compaction process, improve efficiency of press filtering, increase press filtration output.
2, sheet frame of the present invention and sheet frame extruding balance frame are used in combination, and intensity is large, and resistance to pressure is strong, not yielding, and the filter chamber forming between sheet frame and sheet frame is tight, and material can not be revealed, and efficiency of press filtering is high.
3, filter cloth automatic flushing device of the present invention, simple in structure, equipment investment is few, simple to operate, easy to use, nozzle reaches the object of direct cleaning filter cloth through filter plate, enter water under high pressure directly utilize water under high pressure to carry out on-line auto-cleaning to the filter plate on every filter plate by high-pressure wash house steward, and cleaning efficiency is high, spray apertures is densely distributed evenly, make clean range wider, area is larger, cleans without dead angle.
4, the frame upper surface protruding in each sheet frame one side of the present invention and sheet frame extruding balance frame upper surface are equipped with sealing ring, sealing ring ensures between sheet frame in conjunction with tight, make the filter chamber that forms between adjacent sheet frame tight, the material that high pressure injects does not outflow, when extruding, do not leak material, prevent contaminated environment, prevent that filter cloth from directly contacting with irony sheet frame simultaneously, the long-time filter cloth of grinding away that uses, or particle on irony sheet frame is cut filter cloth, the use of sealing ring has extended the service life of filter cloth, and sealing ring adopts elastomeric material withstand voltage, that elasticity is strong to make.
5, the present invention is at the lateral layout sheet frame steady wheel of sheet frame and sheet frame extrusion stability frame, sheet frame and sheet frame extrusion stability frame are moved with the direction of extrusion in extrusion process, prevent in pressure-filtering process, sheet frame and sheet frame extrusion stability frame translation dislocation, play stable sheet frame and sheet frame extrusion stability frame, and in stabilization process, do not produce resistance.
6, scavenge pipe repair and replacement of the present invention are convenient.
Brief description of the drawings
Fig. 1 is the structural representation of plate and frame filter press of the present invention;
Fig. 2 is sheet frame of the present invention and the oblique side partial structurtes of sheet frame extruding balance frame schematic diagram;
Fig. 3 is that automatic flushing device of the present invention is arranged on the structural representation on sheet frame;
Fig. 4 is that sheet frame of the present invention is loaded onto the structural representation after filter plate;
Fig. 5 is the structural representation that filter plate is provided with projection one side;
Fig. 6 is the structural representation that filter plate is provided with projection particle one side;
Direction of motion structural representation when Fig. 7 is the large hydraulic cylinder works of plate and frame filter press;
Fig. 8 is the cross-sectional view of adjacent two sheet frames, and now the small cylinder between sheet frame and sheet frame extruding balance frame is not worked;
Fig. 9 is the cross-sectional view of adjacent two sheet frames, and now the small cylinder between sheet frame and sheet frame extruding balance frame is started working;
Figure 10 is the plan structure schematic diagram of sheet frame and sheet frame extruding balance frame,
Figure 11 is Figure 10 partial structurtes enlarged drawings;
Wherein, 1, hydraulic compressing device, 2, slurcam, 3, filter frame group, 4, crossbeam, 5, stop plate, 6, flexible pipe, 7, high-pressure wash house steward, 8, support, 9, sheet frame, 10, sheet frame extruding balance frame, 11, small cylinder between sheet frame and sheet frame extruding balance frame, 12, spring between sheet frame and sheet frame extruding balance frame, 13, material inlet on sheet frame, 14, vertical cleaning pipe, 15, parallel scavenge pipe, 16, spray apertures, 17, branch's scavenge pipe, 18, the flexible pipe that branch's scavenge pipe connects, 19, projection on filter plate, 20, filter plate, 21, material inlet on filter plate, 22, groove between filter plate projection, 23, sealing ring, 24, nozzle, 25, projection particle on filter plate, 26, large hydraulic cylinder, 27, large hydraulic cylinder piston rod, 28, the cylinder body of small cylinder, 29, small cylinder piston rod, 30, sheet frame steady wheel, 31, guide rail, 32, pulley, 33, pulley bracket.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, technical scheme of the present invention is described further, but institute of the present invention protection domain is not limited to this.
Embodiment 1
A kind of plate and frame filter press, structure is as Fig. 1, shown in Fig. 2, comprise support 8, be arranged on two crossbeams 4 on support 8 and be arranged on the hydraulic compressing device 1 in frame, between two crossbeams 4, be fixedly installed slurcam 2, stop plate 5, between slurcam 2 and prevention plate 5, be provided with several filter plates and sheet frame, several filter plates and sheet frame form filter frame group 3, sheet frame 9, filter plate 20 forms filter chamber, above filter chamber, be provided with filter cloth (not shown), the one side of each sheet frame 9 is planar structure, another side is that frame protrudes, inner recess structure, be provided with sheet frame extruding balance frame 10 in a side of sheet frame 9 planes, between sheet frame 9 and sheet frame extruding balance frame 10, be provided with spring 12, between four frames of sheet frame extruding balance frame 10 and sheet frame 9, be respectively provided with small cylinder 11, small cylinder 11 comprises cylinder body 28 and is slidably arranged at the piston in cylinder body, cylinder body 28 bottoms of small cylinder arrange screw rod, the cylinder body 28 of small cylinder 11 is threaded on sheet frame 9, small cylinder piston rod 29 end outer surface are provided with screw thread, small cylinder piston rod 29 is threaded with sheet frame extruding balance frame, small cylinder 11 is arranged between spring 12, on the cylinder body of small cylinder 11, be provided with hydraulic oil port, hydraulic oil port connecting fluid force feed arm, hydraulic oil arm on each sheet frame 9 is connected with hydraulic oil house steward, between hydraulic oil arm and hydraulic oil house steward, be connected with oil cylinder synchronous valve.Oil cylinder synchronous valve adjusted in concert small cylinder is worked the small cylinder 11 between each sheet frame 9 and sheet frame extruding balance frame 10 simultaneously.
Structure is as Fig. 3, shown in Fig. 4, 9 of each sheet frames are provided with material inlet 13, position on sheet frame 9 one side surfaces except material inlet 13 arranges filter cloth automatic flushing device, filter cloth automatic flushing device comprises scavenge pipe and nozzle, scavenge pipe comprises branch's scavenge pipe 17, be connected with the vertical cleaning pipe 14 vertical with branch scavenge pipe 17 in a side of branch's scavenge pipe 17, between vertical cleaning pipe 14, be connected with and parallel scavenge pipe 15, vertical cleaning pipe 14 is connected by three-way pipe or four-way pipe with parallel scavenge pipe 15, be provided with spray apertures 16 at vertical cleaning pipe 14 with on parallel scavenge pipe 15, spray apertures 16 is connected with nozzle 24, one end of branch's scavenge pipe 17 is by the external high-pressure wash house steward 7 of flexible pipe 18.
Spray apertures 16 on adjacent vertical cleaning pipe 14 is crisscross arranged, and the spray apertures 16 on adjacent parallel scavenge pipe 15 is crisscross arranged.Nozzle 24 extends to filter plate and is densely covered with the one side of projection particle through filter plate 20, the upper end of nozzle 24 is lower than the upper surface of projection particle 25.Filter cloth is arranged on filter chamber top, also be filter plate top, nozzle 24 reaches the object of direct cleaning filter cloth through filter plate, entering water under high pressure by high-pressure wash house steward 7 directly utilizes water under high pressure to carry out on-line auto-cleaning to the filter cloth on every filter plate, cleaning efficiency is high, when the upper end of nozzle 24 prevents press filtration lower than the upper surface of projection particle, material extruding jet nozzle damages nozzle.The one side contacting with sheet frame 9 at vertical cleaning pipe 14, parallel scavenge pipe 15 is also provided with spray apertures 16, nozzle in spray apertures 16 24 extends to filter plate and is densely covered with the one side of projection particle 25 through sheet frame 9 and filter plate 20, be provided with scavenge pipe in the one side of sheet frame like this, another side is not established scavenge pipe, the scavenge pipe of one side cleans the filter cloth of sheet frame both sides simultaneously, saving resource, resources effective utilization.
As shown in Figure 5, Figure 6, at the densely covered bossed particle 25 of one side of filter plate 20, another side is provided with projection 19, between projection 19, form horizontal and vertical groove 22, horizontal and vertical groove 22 between scavenge pipe and projection is relative, and in the time that filter plate 20 is arranged on sheet frame 9, the scavenge pipe on sheet frame is positioned at the groove of filter plate 20, prevent filter plate extruding scavenge pipe, rationally utilize space.
As shown in Figure 4, the frame upper surface protruding in each sheet frame 9 one sides and sheet frame extruding balance frame 10 upper surfaces are equipped with sealing ring 23 to structure, and sealing ring 23 adopts the elastomeric material withstand voltage, elasticity is strong to make.
Sheet frame 9, sheet frame extruding balance frame 10 all adopt cast iron materials to make, and hydraulic oil house steward and high-pressure wash house steward 7 are separately positioned on the both sides of support 1.The position, middle and upper part of each sheet frame 9 both sides is connected between two crossbeams 4 by connecting rod.
Hydraulic compressing device 1 comprises large hydraulic cylinder 26, and hydraulic cylinder 26 comprises cylinder body and is slidably arranged at the piston rod in cylinder body greatly, and the cylinder body of large hydraulic cylinder is fixed on support 1, and large hydraulic cylinder piston rod 27 is connected to slurcam 2 central authorities by flange.
Plate and frame filter press small cylinder of the present invention helps out to the large hydraulic cylinder of hydraulic compressing device, and each sheet frame is compressed.When plate and frame filter press work of the present invention, structure as shown in Figure 7, the piston rod 27 of large hydraulic cylinder pushes filter frame group 3 to the right, sheet frame group 3 is tentatively compressed, when large hydraulic cylinder 26 is worked, the piston rod of small cylinder is in contraction state, and structure as shown in Figure 8, now do not work by the small cylinder between sheet frame and sheet frame extruding balance frame, large hydraulic cylinder 26 is preliminary to be compressed after end-of-job, large hydraulic cylinder 26 quits work, small cylinder 11 between each sheet frame 9 and sheet frame extruding balance frame 10 is started working, structure as shown in Figure 9, small cylinder 11 produces tension force to the sheet frame 9 of both sides with sheet frame extruding balance frame 10, adjacent sheet frame 9 is further compressed, sealing effectiveness between adjacent sheet frame 9 is better, in high injection material process, do not produce leakage, small cylinder 11 quits work, the high injection material of plate and frame filter press, after material feeding, large hydraulic cylinder 26 is started working, material is carried out to press filtration extruding, in extrusion process, the piston rod of small cylinder shrinks, sheet frame to both sides and sheet frame extruding balance money do not produce power, under the same effect of large hydraulic cylinder, the sheet frame of plate and frame filter press press filtration of the present invention is more, improve the output of press filtration, reduce the workload of large hydraulic cylinder.
Comparative example
Compared with the plate and frame filter press of plate and frame filter press of the present invention and prior art:
Plate and frame filter press of the present invention uses identical large hydraulic cylinder with the plate and frame filter press of prior art, calculates as an example of 500 tons of large hydraulic cylinders example, and the present invention uses identical spring with prior art, identical sheet frame, and identical large hydraulic cylinder,
Embodiment 2
With the plate and frame filter press described in embodiment 1, side at sheet frame and sheet frame extrusion stability frame is also provided with sheet frame steady wheel 30, structure is as Figure 10, shown in Figure 11, described sheet frame steady wheel 30 comprises pulley 32, guide rail 31 and pulley bracket 33, guide rail 31 is fixed on the sidewall of sheet frame 9, pulley 32 is arranged on guide rail 31 and can slides along guide rail, pulley bracket 33 is rectangular flat plate shape, be fixedly connected on the sidewall of sheet frame extrusion stability frame 10, pulley bracket 33 is two, be symmetricly set on guide rail 31 both sides, on pulley bracket 33, be provided with pulley regulating tank, insert respectively in pulley regulating tank the end of the pulley spindle of pulley both sides.Sheet frame extrusion stability frame moves with the direction of extrusion on the guide rail of sheet frame along pulley, existing stable pin produces deviation resistance in sheet frame extrusion process, resistance is larger, increase the load of hydraulic compressing device, sheet frame steady wheel design of the present invention is in the side of sheet frame and sheet frame extrusion stability frame, sheet frame and sheet frame extrusion stability frame are moved with the direction of extrusion in extrusion process, prevent in pressure-filtering process, sheet frame and sheet frame extrusion stability frame translation dislocation, play stable sheet frame and sheet frame extrusion stability frame, in stabilization process, do not produce resistance.
Claims (10)
1. a plate and frame filter press, comprise support, rack-mount two crossbeams and be arranged on the hydraulic compressing device in frame, between two crossbeams, be fixedly installed slurcam, stop plate, slurcam, stop between plate and be provided with several filter plates and sheet frame, sheet frame, filter plate composition filter chamber, above filter chamber, be provided with filter cloth, it is characterized in that: the one side of described each sheet frame is planar structure, another side is that frame protrudes, inner recess structure, be provided with sheet frame extruding balance frame in a side of sheet frame plane, between described sheet frame and sheet frame extruding balance frame, be provided with spring, between four frames of sheet frame extruding balance frame and sheet frame, be respectively provided with small cylinder, small cylinder comprises cylinder body and is slidably arranged at the piston in cylinder body, cylinder body is connected on sheet frame, the piston rod of piston is connected with sheet frame extruding balance frame, small cylinder is arranged between spring, on the cylinder body of small cylinder, be provided with hydraulic oil port, hydraulic oil port connecting fluid force feed arm, hydraulic oil arm on each sheet frame is connected with hydraulic oil house steward.
2. plate and frame filter press according to claim 1, it is characterized in that, in the middle of each sheet frame, be provided with material inlet, position on sheet frame one side surface except material inlet arranges filter cloth automatic flushing device, described filter cloth automatic flushing device comprises scavenge pipe and nozzle, scavenge pipe comprises branch's scavenge pipe, be connected with the vertical cleaning pipe vertical with branch scavenge pipe in a side of branch's scavenge pipe, between vertical cleaning pipe, be connected with and parallel scavenge pipe, vertical cleaning pipe is connected with parallel scavenge pipe, be provided with spray apertures at vertical cleaning pipe with on parallel scavenge pipe, spray apertures is connected with nozzle, one end of branch's scavenge pipe is by the external high-pressure wash house steward of flexible pipe.
3. plate and frame filter press according to claim 2, is characterized in that, the spray apertures on adjacent vertical cleaning pipe is crisscross arranged, and the spray apertures on adjacent parallel scavenge pipe is crisscross arranged.
4. plate and frame filter press according to claim 2, is characterized in that, vertical cleaning pipe connects by three-way pipe or four-way pipe with parallel scavenge pipe.
5. plate and frame filter press according to claim 2, it is characterized in that, at the densely covered bossed particle of one side of filter plate, another side is provided with projection, between projection, form groove, groove between scavenge pipe and projection is relative, and described nozzle extends to filter plate and be densely covered with the one side of projection particle through filter plate, and the upper end of described nozzle is lower than the upper surface of projection particle.
6. plate and frame filter press according to claim 2, it is characterized in that, the one side that described vertical cleaning pipe, parallel scavenge pipe contact with sheet frame is provided with spray apertures, and the spray nozzle in spray apertures extends to filter plate and be densely covered with the one side of projection particle through sheet frame and filter plate.
7. according to the arbitrary plate and frame filter press described in claim 1-6, it is characterized in that, the frame upper surface protruding in each sheet frame one side and sheet frame extruding balance frame upper surface are equipped with sealing ring, and described sealing ring is silicone rubber O-ring.
8. according to the arbitrary plate and frame filter press described in claim 1-6, it is characterized in that, cylinder base at small cylinder arranges screw rod, the cylinder body of small cylinder is threaded on sheet frame, small cylinder piston rod end outer surface is provided with screw thread, small cylinder piston rod is threaded with sheet frame extruding balance frame, between hydraulic oil arm and hydraulic oil house steward, is connected with oil cylinder synchronous valve.
9. according to the arbitrary plate and frame filter press described in claim 1-6, it is characterized in that, side at sheet frame and sheet frame extruding balance frame is provided with sheet frame steady wheel, described sheet frame steady wheel comprises pulley, guide rail and pulley bracket, described guide rail is fixed on the sidewall of sheet frame, pulley is arranged on guide rail and can slides along guide rail, described pulley bracket is rectangular flat plate shape, be fixedly connected on the sidewall of sheet frame extruding balance frame, described pulley bracket is two, be symmetricly set on guide rail both sides, on pulley bracket, be provided with pulley regulating tank, insert respectively in pulley regulating tank the end of the pulley spindle of pulley both sides.
10. according to the arbitrary plate and frame filter press described in claim 1-6, it is characterized in that, described sheet frame, sheet frame extruding balance frame all adopt cast iron or Steel material to make, and hydraulic oil house steward and high-pressure wash house steward are separately positioned on the both sides of support; The position, middle and upper part of described sheet frame both sides is connected between two crossbeams by connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104587718A (en) * | 2014-12-26 | 2015-05-06 | 上海市政工程设计研究总院（集团）有限公司 | Variable-capacitance plate frame dehydration device for sludge |
| CN104998448A (en) * | 2015-07-27 | 2015-10-28 | 无锡市金大压滤机有限公司 | High-efficiency filter press |
| CN107008043A (en) * | 2017-05-22 | 2017-08-04 | 株洲天合天颐环境设备有限公司 | Filter cloth cleaning device and filter press |
| CN108721959A (en) * | 2018-07-02 | 2018-11-02 | 浙江建华集团环保科技有限公司 | A kind of hollow filter press plate and the filter press including the filter press plate |
| CN110124371A (en) * | 2019-06-06 | 2019-08-16 | 西安航天华威化工生物工程有限公司 | The plate frame structure of vertical full automatic plate frame filter press |
| CN110755896B (en) * | 2019-10-24 | 2023-06-09 | 贵州三合电子商务科技有限公司 | Filter press for extracting barley beta-amylase |
| CN112619897B (en) * | 2020-12-01 | 2022-12-27 | 山东方正环保科技有限责任公司 | Heat-resistant oil-resistant magnetic filter element |
| CN112957784B (en) * | 2021-04-02 | 2021-10-26 | 江河工程检验检测有限公司 | Sludge filter press and treatment method thereof |
| CN113413650B (en) * | 2021-07-10 | 2022-05-31 | 濮阳天健生物科技有限公司 | Plate-frame filter press |
| CN113617077A (en) * | 2021-08-26 | 2021-11-09 | 曾飞 | Filter plate mechanism of plate-and-frame filter press for reducing water content of filter residue |
| CN114452692B (en) * | 2022-01-25 | 2023-04-21 | 山东德沃环保科技有限公司 | Double-cavity balanced type combined filter plate and filter press |
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