CN115872595A

CN115872595A - Cleaning mechanism of high-pressure vertical filter-pressing electrophoresis and electromagnetic vacuum drying equipment

Info

Publication number: CN115872595A
Application number: CN202111303509.XA
Authority: CN
Inventors: 吴威; 曹儒耀; 周泽华
Original assignee: First Environmental Protection Shenzhen Co ltd
Current assignee: First Environmental Protection Shenzhen Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2023-03-31
Also published as: CN115872591A; CN115872594A; CN115872593A; CN115872588A; CN115849670A; CN115872589A; CN115872592A; CN113651517A; CN115872587A

Abstract

The invention relates to the field of filter pressing equipment, in particular to a cleaning mechanism of high-pressure vertical filter pressing electrophoresis and electromagnetic vacuum drying equipment. For solving the deficiency of the prior art, it is necessary to provide a filter-pressing integration device which has high integration level, good automation degree, intelligent cleaning of the filter belt, low energy consumption and simple operation, and is more efficient and lower in cost when applied to the treatment of filter-pressing objects. The invention relates to a cleaning mechanism of high-pressure vertical filter-pressing electrophoresis and electromagnetic vacuum drying equipment, which is arranged at the bottom of a frame and comprises a cleaning box body, an air injection pipe and a water spraying pipe, wherein a filter conveyor belt passes through a belt inlet and a belt outlet of the filter conveyor belt, the air injection pipe is provided with a plurality of air injection heads, and the air injection direction of the air injection heads is vertical to the filter conveyor belt; the water spray pipe is provided with a plurality of water spray heads, and the water spray direction of the water spray heads is vertical to the filtering and conveying belt.

Description

Cleaning mechanism of high-pressure vertical filter-pressing electrophoresis and electromagnetic vacuum drying equipment

Technical Field

The invention relates to the field of filter pressing equipment, in particular to a cleaning mechanism of high-pressure vertical filter pressing electrophoresis and electromagnetic vacuum drying equipment.

Background

The filter press is one of the commonly used filter press devices, and is a mechanical device which applies a certain pressure to a target by using a special filter medium to dialyze liquid, and is a commonly used solid-liquid separation device. The method is applied to chemical production at the beginning of the eighteenth century, and is still widely applied to industries such as chemical industry, pharmacy, metallurgy, dye, food, brewing, ceramics, environmental protection and the like until now. Especially for sludge treatment in the environmental protection industry, at present, a horizontal pressing mode is adopted for most of pressure filters, namely, the pressing force applied to a pressure filtering object is in the horizontal direction, and in view of the prior art, the pressure provided in the horizontal direction is small, the pressing efficiency is not high, and the equipment is complex and large, the energy consumption is large, the operation is complex and the cost is high. A small part of filter presses adopt a vertical mode, the squeezing effect is improved, but the further drying effect on squeezed matters is poor, the automation degree is low, the filter cloth is not intelligent enough to clean, and in addition, the recycling effect on the equipment is not ideal.

Disclosure of Invention

For solving the deficiency of the prior art, it is necessary to provide a filter-pressing integration device which has high integration level, good automation degree, intelligent cleaning of filter belt, low energy consumption and simple operation, and is more efficient and lower in cost when applied to the treatment of filter-pressing objects. The invention relates to a cleaning mechanism of high-pressure vertical filter-pressing electrophoresis and electromagnetic vacuum drying equipment, which comprises an electrophoresis mode, an electromagnetic vortex drying mode, a heating drying mode such as vacuumizing on sealed squeezed sludge and the like, filtrate is discharged through horizontal diversion, a filter belt conveys materials in the horizontal direction, a conveying channel keeps side sealing, a vertical guide mechanism is arranged during squeezing, synchronous feeding, synchronous discharging and synchronous cleaning are realized through automatic detection and computer program control, the time is saved, a middle squeezing unit can extend, the squeezing amount of each period is improved, the cleaning mechanism has the characteristics of ultrahigh squeezing force and the like, and the production efficiency is greatly improved.

The invention relates to a cleaning mechanism of high-pressure vertical filter-pressing electrophoresis and electromagnetic vacuum drying equipment, which comprises a feeding area, a filter-pressing area and a discharging area according to physical positions, wherein the filter-pressing area can be formed by assembling a plurality of groups to form a larger filter-pressing area, and the feeding area and the discharging area are shared areas. The feeding area comprises a material conditioning and stirring system, a material distributing mechanism and a cleaning mechanism. The filter pressing area contains driving system, portable squeezing mechanism, rack construction, the fixed filter pressing device of equipment of exerting pressure, and material conveying system includes the bearing roller of high strength filter belt drive mechanism and direction filter belt walking, and the unloading area contains discharge hopper, discharge shovel, and air-drying device. The high-strength filter belt transmission process in the material conveying system integrates the through connection of the feeding area, the filter pressing area and the discharging area.

The high-pressure vertical filter-pressing electrophoresis and electromagnetic vacuum drying equipment comprises a frame, a material distribution mechanism, a filtering and conveying mechanism, a squeezing mechanism, a material unloading mechanism, a cleaning mechanism, an auxiliary mechanism and a control system, wherein a driving roller and an auxiliary roller of the filtering and conveying mechanism are fixed at two ends of the frame, a rotatable filtering and conveying belt is sleeved between the driving roller and the auxiliary roller, the squeezing mechanism is located in the middle section of the frame and comprises a squeezing plate and a bearing plate, the bearing plate is horizontally and fixedly arranged on the frame, the squeezing plate is provided with squeezing sealing strips at the periphery and is located at the relative positions above the bearing plate, the width of the squeezing plate is matched with that of the bearing plate, the width of the squeezing plate is slightly narrower than that of the bearing plate, when squeezing is carried out, the squeezing plate is matched with the bearing plate and falls onto the bearing plate to generate squeezing force on sludge, the squeezing force direction is perpendicular to the bearing plate, the squeezing plate, the bearing plate and the squeezing sealing strips jointly form a sealed squeezing cavity, and a heating and drying mechanism is arranged on the lower side of the sealed squeezing cavity to heat the sludge. The heating mechanism is a functional plate with a plate-shaped structure, can be consistent with the size of the extrusion plate or the bearing plate and can be overlapped with the extrusion plate or the bearing plate, the material distribution mechanism is arranged at one end of the frame and is positioned above the bearing plate, a material distribution opening at the bottom of the material distribution mechanism is flush with the bearing plate, the filtering conveyor belt penetrates through the material distribution opening and the bearing plate and then passes through the space between the extrusion plate and the bearing plate, and the width of the filtering conveyor belt is consistent with the width of the extrusion plate. In the operation process, the sludge distributed by the material distributing opening of the material distributing mechanism is moved to the squeezing mechanism through the filtering conveyer belt so as to be dried by squeezing and heating, then the material unloading mechanism moved to the other end of the frame separates the sludge from the filtering conveyer belt, or the filter residue is separated from the filter cloth, and the filter residue falls into the material unloading hopper. The periphery of the closed squeezing cavity is closed, so that steam generated in the heating and drying process does not leak to pollute the environment, and the closed squeezing cavity is favorably vacuumized.

Furthermore, a movable pressure plate is connected above the extrusion plate, and a pressure bearing seat connected with a pressure applying device is arranged on the top surface of the movable pressure plate. The two can be connected by bolts, so that the installation and the disassembly are convenient.

Further, the stripper plate among the squeezing mechanism is equipped with all around and squeezes the sealing strip, four squeeze the sealing strip mutually independent, do not interconnect between them promptly, but the end is hugged closely the contact each other, aim at, do not interfere each other and seal squeezing sealed in-process, squeeze the guiding axle lower extreme that flexible director is connected to sealing strip top, be provided with a plurality of same flexible director align to grid and squeeze sealing strip top in both sides, like this because the flexible action of flexible director can make and squeeze the sealing strip upper and lower removal, squeeze in-process, squeeze sealing strip below (or lower terminal surface) contact the loading board earlier, make the mud that needs squeeze enclose be convenient for squeeze in the frame that squeezes the sealing strip and form, filter and mummification.

Furthermore, the telescopic guider comprises a guide cylinder, a guide shaft and a pressure spring, the guide shaft is movably arranged in the guide cylinder, the upper end of the guide shaft is connected with the pressure spring in the guide cylinder, the guide cylinder moves downwards during operation, the pressure spring is compressed, and the guide cylinders of all the guider are uniformly fixed around a movable pressure plate connected with the extrusion plate.

The squeezing plate, the squeezing sealing strips on the periphery of the squeezing plate and the bearing plate are in squeezing process, the squeezing sealing strips contact the bearing plate firstly and form a closed squeezing cavity together with the squeezing plate and the bearing plate, and the squeezing plate is connected with an external vacuum pump through the air suction holes formed in the top end of the squeezing plate.

The pressure intensity of the pressure of the extrusion plate on the bearing plate is more than or equal to 50 kilograms per square centimeter. The vertical pressing mode has much higher pressure than the common pressing mode (the pressure of the common pressing is about 12-16 kilograms per square centimeter), and the pressing effect is greatly improved.

Furthermore, the heating mechanism is an electrophoresis mode, namely, a medium is electrified between the polar plates, the metal layer which is arranged on the surface layer of the extrusion plate is used as an anode, the metal layer which is arranged on the surface layer of the loading plate is used as a cathode, when the heating mechanism works, a direct current power supply is connected between the polar plates, a filter pressing object (namely sludge) is used as a medium, water molecules in the medium move from the anode to the cathode under the action of an electric field after the heating mechanism is electrified, heat is generated, and the sludge is dried.

Further, the heating mechanism is an inter-plate medium energization system, and the voltage applied across the medium is a safe voltage of 36V or less. The preferred solution is a 36V voltage, which provides security for the operator of the machine.

In another heating mode, the heating mechanism is an electromagnetic eddy current heating drying mode and comprises an electromagnetic coil plate arranged on the inner side of the extrusion plate or the bearing plate, the electromagnetic coil plate substrate is an insulating plate, a metal conductor arranged in a spiral gradually-opening mode is embedded in the substrate, and after the conductor is electrified, the metal material (generally iron-containing material, such as stainless steel) on the surface of the extrusion plate or the bearing plate generates eddy current to generate heat so as to dry the sludge. Alternatively, the metal conductor may also be directly embedded in the pressing plate or the carrying plate, i.e., the pressing plate or the carrying plate and the solenoid plate are the same plate.

Further, the pressing mechanism including the heating mechanism may be provided in a plurality of cycles in the horizontal direction of the frame. For greater efficiency, a plurality of squeezing mechanisms and heating mechanisms can be arranged in the horizontal direction, namely the included heating mechanisms are assembled in a plurality of ways along the horizontal direction of the machine frame to form a large mechanism with the same function, and other mechanisms can be shared.

The extrusion plate is internally provided with an upper water chute, an upper water collecting tank and an air suction hole, the water chute is arranged in the middle of the extrusion plate, the end part of the water chute is communicated with the upper water collecting tank, and steam generated in the heating process enters the upper water chute, then is converged into the upper water collecting tank and is then sucked away from the air suction hole. The extrusion plate is fixedly connected with the movable pressing plate and is positioned in the horizontal direction. In the embodiment, the upper water guiding groove is arranged in the squeezing area of the squeezing plate, namely the range surrounded by the squeezing sealing strips, the water collecting groove is arranged at the edge part and is vertical to the water guiding groove, and water generated in the squeezing process of the sludge passes through the water guiding groove and enters the water collecting groove to be discharged from the air suction holes.

Furthermore, an upper porous plate is fixed below the extrusion plate, and a plurality of micropores of the upper porous plate are distributed on the upper porous plate. The upper water permeable plate has the effects of increasing the extrusion force borne by the extrusion plate and preventing the filter cloth from being extruded into the upper water chute of the extrusion plate by huge pressure in the squeezing process. The preferable diameter of the micropores of the upper permeable plate is 6-8mm. The upper porous plate is made of stainless steel (or titanium alloy). The upper permeable plate is preferably 2-5mm thick.

Furthermore, the upper porous plate covers the extrusion plate, the extrusion plate plays a role in circuit insulation, and the upper porous plate is used as an anode of the electrode when the heating mechanism is in an electrophoresis mode. The upper porous plate is made of stainless steel (or titanium alloy), so that it can be directly used as anode.

And a lower water guiding groove, a lower water collecting groove and a water outlet are arranged in the bearing plate, and filtrate or water generated in the squeezing process of sludge enters the lower water guiding groove and then is collected to the lower water collecting groove and is discharged from the water outlet.

Furthermore, a reticular bearing support is arranged below the bearing plate, the bearing support is fixedly connected with the frame, and the bearing support bears the super-strong pressure generated by the extrusion plate.

Furthermore, a lower permeable plate is arranged above the bearing plate, and lower permeable micropores are distributed on the lower permeable plate and used for preventing the filtering and conveying belt from sinking into the bearing plate water guide groove in the squeezing process. The diameter of the micropores of the lower permeable plate is 6-8mm. The lower water-permeable partition plate is made of stainless steel. The thickness of the lower water permeable plate is 2-5mm. The function of the lower permeable plate is similar to that of the upper permeable partition plate. The upper layer of the bearing plate is provided with a lower water permeable plate which is used as a cathode of the electrode when the heating mechanism is in an electrophoresis mode.

Furthermore, the materials of the bearing plate and the extrusion plate are both insulating and pressure-resistant materials, such as PPO, PPA, PE, SMC and the like.

Furthermore, the two side edges of the bearing plate are provided with anti-leakage strips, a water collecting tank is arranged below the anti-leakage strips and communicated with the lower water guiding tank, and a water outlet communicated with the filtrate pipe is arranged in the lower water collecting tank. The antiseep strip can prevent to filter thereby the side that the mud on the conveyer belt scatters to the loading board in the operation process causes the pollution. The interval width of the anti-leakage strips at the two sides corresponds to the interval width between the squeezing strips at the two sides of the squeezing plate, namely when the squeezing plate falls onto the bearing plate, the squeezing strips just fall into the anti-leakage strips and are close to or contacted with each other two by two. Thus, the sludge is fully ensured not to be leaked or leaked as little as possible in the closed pressing cavity in the pressing process.

The bearing plate is horizontally erected on the rack, and the lower water guide groove and the lower water collecting groove in the bearing plate are also in the horizontal direction, so that the squeezed filtered water is discharged from the lower water guide groove to the lower water collecting groove and then to the water outlet, and a horizontal flow guide mode is formed instead of a common vertical discharge mode.

A movable pressing plate is connected above an extrusion plate in the squeezing mechanism, the interior of the movable pressing plate is of a grid reinforcing structure, and a pressure bearing seat connected with a pressing device is arranged on the top surface of the movable pressing plate. The grid structure can strengthen the bearing capacity of the movable pressing plate and reduce the weight of the movable pressing plate.

Furthermore, the squeezing plate in the squeezing mechanism is fixedly connected with the movable pressing plate through bolts. Other attachment means, such as snap-fit structures or riveting, may be substituted.

Furthermore, the frame of the movable pressing plate is provided with a guide seat which is movably connected with a vertical guide rail fixed on the frame, and the guide seat can slide up and down in the vertical guide rail. Therefore, the movable pressing plate drives the extrusion plate to move up and down along the vertical direction, and the extrusion plate can be downwards pressed on the bearing plate to generate pressure in the vertical direction on sludge.

Furthermore, the guide seat comprises a dovetail groove, the vertical guide rail comprises a dovetail protrusion, and the guide seat and the vertical guide rail are in adaptive connection. The vertical guide rail with the dovetail groove can ensure that the movable pressing plate can move accurately, stably and smoothly.

The alternative is that the guide seat contains a cylindrical hole, the vertical guide rail is cylindrical, and the guide seat and the vertical guide rail are matched and connected, and the function is consistent with the function.

The pressure equipment comprises a hydraulic cylinder, a hydraulic cylinder fixing frame and an external hydraulic system, and an oil inlet and an oil outlet of the hydraulic cylinder (oil hydraulic cylinder) are connected with the hydraulic system through a high-pressure pipe.

Furthermore, a hydraulic cylinder fixing frame is arranged on a rack at the top end of the squeezing mechanism, and a cylinder barrel of the hydraulic cylinder is fixed on the hydraulic cylinder fixing frame. The hydraulic cylinder fixing frame is of a plate-shaped structure, and holes for loading the hydraulic cylinder, bolt holes for fixing and a bracket for binding various pipelines are arranged on the hydraulic cylinder fixing frame.

Furthermore, the hydraulic cylinder fixing frame is stably arranged on the machine frame through a thrust member, the machine frame comprises a base, a stand column and the thrust member, and the thrust member comprises a thrust plate, a thrust connecting plate, a shear plate, a column connecting plate, a shear sleeve and a shear sleeve bolt. The frame and the accessories for fixing can be made of common steel.

The hydraulic cylinder fixing frame is movably placed on a bracket rod fixed on the inner side surface of the upright column, a plurality of thrust members are uniformly arranged on the periphery of the upper side surface of the hydraulic cylinder fixing frame, the shear plate is tightly attached to the inner side of the upright column, the lower end of the shear plate is abutted against the upper side surface of the hydraulic cylinder fixing frame, and the upright column, the column connecting plate, the shear plate, the thrust connecting plate and the thrust plate are sequentially connected together through a shear sleeve and a shear sleeve bolt. The thrust member is used for reducing the reaction force of the movable pressing plate to the frame in the pressing process. In addition, the disassembly, the replacement and the maintenance are convenient.

Furthermore, the hydraulic cylinder is a single-piston-rod hydraulic cylinder and can perform double-acting cylinder movement in two directions, and the movable pressing plate is driven to move up and down during operation. The double-acting cylinder has the function of enabling the piston rod to generate pressure when entering and exiting, and the movable pressure plate needs to be lifted upwards while generating extrusion force downwards.

Furthermore, the end of the piston rod of the hydraulic cylinder is fixedly connected with a bearing seat arranged on the movable upper end surface. As mentioned above, the hydraulic cylinder must be fixedly connected to the pressure-bearing seat to both generate a downward pressing force and lift the movable pressure plate. The connection mode can adopt bolt fixing.

In the preferred mode, the end of the piston rod of the hydraulic cylinder is a spherical head, and the pressure bearing seat is a concave spherical seat which are connected in a matched mode. Therefore, the stress of the movable pressing plate can be more uniform.

Furthermore, a plurality of hydraulic cylinders with the same type are uniformly distributed on the hydraulic cylinder fixing frame. The effect of adopting a plurality of pneumatic cylinders lies in: the movable pressing plate can be loaded with larger pressure, and the overall pressure is more uniform.

An alternative is that the pressing device comprises an electric screw press instead of a hydraulic cylinder. In an example, the sludge may be pressed by pressing a movable platen with an electric screw press.

The material distribution mechanism comprises a stirring barrel, a stirring motor, a stirring body, a material distribution port and a spatula. Can directly add medicine and take care of to mud in the agitator for mud structure is even and better mobility.

Furthermore, a material distribution gate valve is arranged at the material distribution port and consists of a material distribution port frame, a material distribution gate and two material distribution electric valves, wherein the material distribution gate is used for opening or closing the outflow or stop of sludge, and the material distribution electric valves are used for controlling the material distribution gate to move back and forth.

Furthermore, the stirring motor is arranged above the stirring barrel, and the lower end of the stirring shaft of the stirring motor is connected with the stirring body. The stirring shaft is a rotating shaft of a stirring motor, and a stirring body is fixedly connected to the stirring shaft.

Furthermore, the stirring body is composed of more than one spiral sheet. The spiral piece can not only stir the sludge but also generate downward pressure in the rotating process, so that the sludge is easier to discharge from the material distribution port.

Furthermore, the stirring body is a metal stainless steel sheet, and the sludge has a larger barrier effect on the stirring body, so that the stirring body is made of a stronger stainless steel material, and the stainless steel material is more corrosion-resistant and durable.

Furthermore, the stirring barrel is of a cylindrical structure corresponding to the shape of the stirring body. The stirring body is of a spiral structure, and the outline of the stirring body is more suitable for a cylinder shape.

Furthermore, the spatula is of a long strip-shaped structure with elastic rotating shafts at two ends, and the rotating shafts at two ends of the spatula are arranged on the rack outside the cloth barrel. The filtering conveyer belt conveys the sludge flowing out of the material distributing opening to the lower part of the spatula, and the lower edge of the spatula finishes and smoothes the sludge.

In an alternative mode, the lower edge of the spatula is provided with a toothed protrusion, and the toothed protrusion can better finish sludge.

The filtering and conveying mechanism consists of a driving roller, an auxiliary roller, a tensioning roller, more than one turning roller, more than one carrier roller and a filtering and conveying belt sleeved among the rollers. And two ends of the driving roller and the auxiliary roller are respectively provided with a limiting ring, so that the filtering and conveying belt is kept to run in the limiting rings at the two ends.

The filtering conveyor belt is a closed annular filter cloth connected end to end. The driving roller is driven by a driving motor through a belt or a chain; the auxiliary roller is driven by an auxiliary motor through a belt or a chain. The tensioning roller is driven by two tensioning hydraulic pumps arranged on an elastic seat, and the elastic seat is fixed on the frame.

Further, the filter conveyer belt is in the removal of cloth mechanism to the discharge mechanism direction under the drive of initiative motor and supplementary motor, and speed range is: 8-12m/min. If the speed is too slow, the efficiency is affected, the sludge is easy to disperse aside and is not pressed, and in addition, the speed is too fast, so that the pulling force of a driving motor is too large, and the filter conveyor belt is easy to damage.

Further, a rotary encoder is arranged above the filtering conveying belt between the squeezing mechanism and the discharging mechanism to count the walking distance of the filtering conveying belt. When the counting value reaches a set value, the filtering conveyor belt conveys sludge to a bearing plate area corresponding to the closed squeezing cavity, and the computer instruction is fed back to the control system, so that the driving roller and the auxiliary roller stop rotating, and the filtering conveyor belt stops moving.

Further, filter conveyer belt top between squeezing mechanism and the discharge mechanism is equipped with the resistance meter in order to detect the mud resistance after handling, and two probes of resistance meter are replaced with two metal wheels that keep a determining deviation, and the metal wheel contact is on the mud surface after handling, and filter conveyer belt walking makes it follow the rotation, and two metal wheels add behind the direct current voltage, and mud between the two-wheeled produces direct current, and the transform can obtain its resistivity, and control system can convert the mud moisture content, and then decides and squeeze time and heat the mummification time.

The discharging mechanism comprises a discharger and a discharging hopper. The stripper comprises a stripper seat and a stripper shovel, wherein the two stripper seats are fixed on the frame, a stripper shovel rotating shaft is movably connected to the stripper seat, a torsional spring is arranged in the stripper seat, and the torsional spring forces the stripper shovel to be elastically close to the filtering conveying belt on the auxiliary roller. The unloading shovel is rectangular arc structure, and the opposite side of unloading the shovel is equipped with the blade, and the installation back blade is close to the assistance roller and makes the mud and the filter conveyer belt separation after squeezing the mummification.

Further, the unloading hopper is tubaeform, and its big opening is located under the stripper, and the mud that the stripper unloaded falls into in the unloading hopper. The bottom of unloading hopper is for unloading the mouth, and this department is equipped with the push-pull valve of unloading, comprises unloading mouth frame, unloading picture peg and unloading motorised valve.

Further, the unloading board activity is installed in the edge groove of unloading mouth frame, can make a round trip smooth movement, and its unloading valve push rod of keeping away from a side edge fixed connection unloading motorised valve of unloading mouth can make the unloading valve push rod stretch out and draw back and drive the unloading picture peg and open or closed unloading mouth after the unloading motorised valve circular telegram.

Alternatively, the unloading electric valve is replaced with a pneumatic valve.

The bearing plate is a through plate, the passage from the driving roller to the auxiliary roller is a whole plate, corresponding sections can be sunken to add other function plates, and when all the addition is completed, the whole surface is level so that the filter conveyor belt can smoothly move on the filter conveyor belt without being blocked. The carrier plate can also be formed by segmented plate splicing, such as into three segment plates of a feed zone, a filter press zone, and a discharge zone, after the splicing and addition of other function plates is completed, the same overall surface flush is required so that the filter belt can move smoothly without being hindered thereon.

The cleaning mechanism is arranged at the bottom of the rack and comprises a cleaning box body, an air injection pipe and a water spray pipe, and the filtering and conveying belt passes through a belt inlet and a belt outlet of the filtering and conveying belt.

Furthermore, the air injection pipe is communicated with a plurality of air injection heads, and the air injection direction of the air injection heads is vertical to the filtering conveyor belt.

Furthermore, the belt inlet and the belt outlet are respectively provided with a soft water-resisting baffle for preventing water and air from being sprayed out of the cleaning box body.

Furthermore, a clapboard is arranged in the cleaning box body to separate the air injection pipe and the water spray pipe. Therefore, the air spraying cleaning and the water spraying cleaning can be separately executed without mutual interference, and the filtering conveyor belt can be cleaned more cleanly.

Further, the water pressure ejected by the sprinkler head is >5MPA. Therefore, under the cleaning of higher water pressure, the washing speed is high, and the effect is better.

Furthermore, the bottom of the cleaning box body is provided with a cleaning box water outlet, and the cleaning box body cannot contain accumulated water, so that the filtering conveyor belt can be secondarily polluted if the accumulated water exists.

More than two cleaning mechanisms are arranged along the filtering conveyor belt. The number of cleaning mechanisms can be selected according to the pollution degree of the filter conveyor belt after sludge treatment.

The auxiliary mechanism comprises an air heater (which can also be a common air blower), an air extractor and a deodorization box, and is arranged at one end, close to the discharging mechanism, of the rack. The hot air blower is used for supplementing drying and deodorizing the sludge which is squeezed, heated, vacuumized and dried, and the hot air blower can be selected according to the actual production requirements.

The hot air blower comprises a heater and an air blower, and the air blower blows hot air generated by the heater to the sludge to be unloaded so as to further carry out drying treatment.

Further, the exhaust fan pumps away waste gas generated after the sludge is heated by the air heater.

Furthermore, deodorant liquid is stored in the deodorant box, and waste gas pumped by the air pump enters the deodorant box to be deodorized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of the overall appearance of a high-pressure vertical filter-pressing electrophoresis and electromagnetic vacuum drying device;

FIG. 2 is a schematic cross-sectional view taken along the line P-P of FIG. 1; FIG. 3 is an enlarged view of area A of FIG. 2;

FIG. 4 is a schematic front view of a high-pressure vertical filter-pressing electrophoresis and electromagnetic vacuum drying apparatus after superposition of an extrusion plate and a movable pressing plate;

FIG. 5 is an enlarged view of the area B in FIG. 4;

FIG. 6 is a top view of FIG. 4;

FIG. 7 is a schematic cross-sectional view taken along the axis of the telescoping guide and taken along line Q-Q of FIG. 6;

FIG. 8 is an enlarged view of area C of FIG. 7;

FIG. 9 is a schematic front view of a cloth gate valve;

FIG. 10 is a schematic front view of a carrier plate of a high-pressure vertical filter-press electrophoresis and electromagnetic vacuum drying apparatus;

FIG. 11 is an enlarged view of area D of FIG. 10;

FIG. 12 is a schematic front view of a carrier rack;

FIG. 13 is a perspective view of a portion of the press mechanism;

FIG. 14 is an enlarged view of area E of FIG. 13;

FIG. 15 is a schematic view of the R-R cut front of FIG. 13;

FIG. 16 is an enlarged view of the area F in FIG. 15;

FIG. 17 is a schematic front view of a discharge gate valve;

FIG. 18 is a schematic diagram of the auxiliary roller with stop rings added at both ends.

Labeling in the figure: the device comprises a frame 100, a vertical column 110, a base 120, a thrust member 130, a thrust plate 131, a thrust connecting plate 132, a shear plate 133, a column connecting plate 134, a shear sleeve 135, a shear sleeve bolt 136 and a bracket rod 137;

the squeezing mechanism 200, a bearing plate 210, an anti-leakage strip 211, a lower water guide groove 212, a lower water collecting groove 213, a water outlet 214, a bearing support 220, an extrusion plate 230, a squeezing sealing strip 231, an upper water guide groove 232, an upper water collecting groove 233, an air suction hole 234, a telescopic guider 235, a guide cylinder 236, a guide shaft 237, a pressure spring 238, a movable pressure plate 240, a pressure bearing seat 241, a guide seat 242, a dovetail groove 243, a vertical guide rail 244, a dovetail protrusion 245, a pressing device 250, a hydraulic cylinder fixing frame 251, a hydraulic cylinder 252, a piston rod 253 and a closed squeezing cavity 260;

the device comprises a filtering and conveying mechanism 300, a filtering and conveying belt 310, a driving roller 320, a driving motor 321, an auxiliary roller 330, an auxiliary motor 331, a limiting ring 332, a turning roller 340, a carrier roller 350, a tensioning roller 360 and a tensioning cylinder 370;

the material distribution mechanism 400, the stirring barrel 410, the stirring motor 420, the stirring shaft 430, the stirring body 440, the material distribution gate valve 450, the material distribution opening frame 451, the material distribution gate 452, the material distribution electric valve 453, the material distribution opening 460 and the spatula 470;

the material unloading machine comprises a material unloading mechanism 500, a material unloading hopper 510, a material unloading gate valve 520, a material unloading gate frame 521, a material unloading gate 522, a material unloading electric valve 523, a material unloading valve push rod 524, a material unloading gate 530, a material unloading device 540, a material unloading shovel 541 and a material unloading seat 542;

a cleaning mechanism 600, a cleaning box body 610, a belt inlet 611, a belt outlet 612, a cleaning box water outlet 613, a cleaning box clapboard 614, a gas spray pipe 620 and a water spray pipe 630;

auxiliary mechanism 700, hot air blower 710, air extractor 720, deodorization box 730.

Detailed Description

In order that the invention may be readily understood, reference will now be made to the following description taken in conjunction with the accompanying drawings. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

In an example, as shown in fig. 1, the high-pressure vertical filter-pressing electrophoresis and electromagnetic vacuum drying apparatus includes a feeding area, a filter-pressing area, and a discharging area (not labeled in the figure) according to physical positions, where the feeding area includes an area where the distributing mechanism 400, the driving roller 320, and the cleaning mechanism 600 are located, the filter-pressing area includes an area where the squeezing mechanism 200 is located, and the discharging area includes an area where the auxiliary mechanism 700 and the auxiliary roller 330 are located. Wherein the drive roll 320 and the auxiliary roll 330 may be interchanged in nomenclature.

In an example, as shown in fig. 1 and fig. 2, there is a schematic perspective view of an appearance of a high-pressure vertical filter-pressing electrophoresis and electromagnetic vacuum drying apparatus, wherein a frame 100, a filtering and conveying mechanism 300, a pressing mechanism 200, a discharging mechanism 500, a cleaning mechanism 600, and an auxiliary mechanism 700 are shown, a driving roller 320 and an auxiliary roller 330 of the filtering and conveying mechanism 300 are fixed at two ends of the frame 100, a filtering and conveying belt 310 is sleeved between the driving roller 320 and the auxiliary roller 330, the pressing mechanism 200 is located at a middle section of the frame 100 and includes a pressing plate 230 and a bearing plate 210, the bearing plate 210 is horizontally and fixedly disposed on the frame 100, the pressing plate 230 is located above the bearing plate 210, and has a width corresponding to that of the bearing plate 210, when pressing, the pressing plate 230 fits onto the bearing plate 210 to generate a pressing force on sludge and forms a sealed pressing cavity 260 with the bearing plate 210, and heating mechanisms (not shown in the figures) are disposed on the upper and lower sides of the sealed pressing cavity 260 to heat and dry the sludge. The distributing mechanism 400 is disposed at one end of the frame 100 and above the carrying plate 210, and a distributing opening 460 (see fig. 9) at the bottom thereof is flush with the carrying plate 210, and the filter conveyer 310 passes through the space between the distributing opening 460 and the carrying plate 210 and then passes through the space between the pressing plate 230 and the carrying plate 210 (to form a closed pressing cavity 260 during pressing). In the operation process, the sludge distributed through the distributing port 460 of the distributing mechanism 400 is moved to the squeezing mechanism 200 through the filter conveyor belt 310 to be squeezed and dried by heating, and then the discharging mechanism 500 moved to the other end of the frame 100 separates the sludge from the filter conveyor belt 310, and the sludge forms filter residues and falls into the discharging hopper 510.

The upper part of the pressing plate 230 is connected with a movable pressing plate 240, and the top surface thereof is provided with a bearing seat 241 connected with a pressing device 250, see fig. 2.

As shown in fig. 4, a press seal strip 231 is arranged around the pressing plate 230 in the pressing mechanism 200, the lower end of a guide shaft 237 of a telescopic guide 235 is connected above the press seal strip 231, as shown in fig. 6 to 7, a plurality of identical telescopic guides 235 are arranged uniformly above the press seal strips 231 on both sides, and during pressing, the press seal strips 231 first contact the bearing plate 210, as shown in fig. 2.

As shown in fig. 7 and 8, the telescopic guide 235 includes a guide cylinder 236, a guide shaft 237 and a pressure spring 238, the guide shaft 237 is movably installed in the guide cylinder 236, the upper end of the guide shaft 237 is connected to the pressure spring 238 in the guide cylinder 236, when the telescopic guide 235 is operated, the guide shaft 237 moves upward, the pressure spring 238 is compressed, and the guide cylinders 236 of all the telescopic guides 235 are uniformly fixed around the movable pressure plate 240.

As can be seen from fig. 2 and 4, the pressing plate 230 and the pressing sealing strips 231 around the pressing plate form a sealed pressing chamber 260 with a sealed periphery in the pressing process with the bearing plate 210, and are connected to an external vacuum pump (not shown) through the air exhaust holes 234 formed at the top end of the pressing plate 230.

The pressing plate 230 applies a pressure of 50 kg or more per square centimeter to the loading plate 210.

The heating mechanism is an inter-plate medium electrifying mode, the metal layer arranged on the surface layer of the extrusion plate 230 and the metal layer arranged on the surface layer of the bearing plate 210 are used as electrode plates to be powered on, the filter pressing object is used as a medium, and after the medium is electrified, the medium is electrified to self-heat and be dried (the medium is contained in the extrusion plate 230 and the bearing plate 210 and is not shown in the figure).

The heating mechanism adopts an inter-pole plate medium electrifying mode, and the voltage applied to the two ends of the medium is a safe voltage below 36V.

The heating mechanism is in an electromagnetic vortex current drying mode and comprises an electromagnetic coil plate arranged on the inner side of the extrusion plate 230, and after the electromagnetic coil plate is electrified, the metal material on the surface of the extrusion plate 230 generates vortex current to generate heat so as to dry sludge.

The press mechanism 200 including the heating mechanism may be disposed in a plurality of cycles along the horizontal direction of the frame 100, see fig. 1.

As shown in fig. 5, an upper water guiding groove 232, an upper water collecting groove 233 and an air extracting hole 234 are formed in the pressing plate 230, the water guiding groove is formed in the middle of the pressing plate 230, the end portion of the water guiding groove is communicated with the upper water collecting groove 233, and steam generated in the heating process enters the upper water guiding groove 232, then is converged into the upper water collecting groove 233, and is then extracted from the air extracting hole 234.

An upper porous plate is fixed below the pressing plate 230 and is provided with a plurality of upper porous plate micropores.

The diameter of the micropores of the upper permeable plate is 6-8mm (not shown in the figure).

Stainless steel is used as the material of the upper permeable plate.

The thickness of the upper water permeable plate is 4-6mm.

The pressing plate 230 has a width corresponding to that of the loading plate 210, and the pressing plate 230 is slightly narrower than that of the loading plate 210.

The periphery of the pressing plate 230 is provided with a press seal strip 231, and the press seal strip 231 and the pressing water-stop sheet are covered with a filter cloth (not shown) of the pressing plate 230.

Referring to fig. 10 and 11, a lower water chute 212, a lower water collecting tank 213 and a water outlet 214 are disposed in the bearing plate 210, and filtrate or water generated during the pressing process of sludge enters the lower water chute 212, then is collected into the lower water collecting tank 213, and is discharged from the water outlet 214.

As shown in fig. 12 and fig. 2, a net-shaped supporting bracket 220 is disposed below the supporting plate 210, and the supporting bracket 220 is fixedly connected to the rack 100.

A lower permeable plate is disposed above the bearing plate 210, and lower permeable micropores are disposed on the lower permeable plate to prevent the filtering conveyer 310 from sinking into a water guiding trough (not shown) of the bearing plate 210 during the pressing process.

The diameter of the micropores of the lower permeable plate is 6-8mm; the material of the carrier plate 210 is stainless steel; the lower water-permeable partition plate is made of stainless steel; the thickness of the lower water permeable plate is 5-8mm.

Referring to fig. 10, the two sides of the supporting plate 210 are provided with anti-leakage strips 211, a water collecting tank is further provided below the anti-leakage strips 211 and communicated with the lower water guiding tank 212, and a water outlet 214 communicated with the filtrate pipe is further provided in the lower water collecting tank 213.

In the pressing mechanism 200, a movable pressing plate 240 is connected above the pressing plate 230, the movable pressing plate 240 is internally provided with a grid reinforcing structure (not shown), and a pressure bearing seat 241 is arranged on the top surface and connected with a pressing device 250, as shown in fig. 2 and 6.

In the press mechanism 200, the pressing plate 230 is fixedly connected with the movable pressing plate 240 through bolts.

The movable platen 240 has a guide base 242, see fig. 4, 6 and 14, movably connected to a vertical guide rail 244 fixed to the frame 100, and the guide base 242 can slide up and down in the vertical guide rail 244.

As shown in fig. 14, the guide holder 242 has a dovetail groove 243, and the vertical guide rail 244 has a dovetail projection 245, which are fit together. The dovetail groove 243 is sleeved on the dovetail protrusion 245 and can slide up and down.

The guide base 242 includes a cylindrical bore and the vertical guide 244 is cylindrical and is adapted to be coupled to the cylindrical bore (not shown).

As shown in fig. 1 to 2, the pressing device 250 includes a hydraulic cylinder 252, a hydraulic cylinder fixing frame 251, and an external hydraulic system, and an oil inlet and an oil outlet of the hydraulic cylinder 252 are connected to the hydraulic system through a high-pressure pipe. A hydraulic cylinder fixing frame 251 is arranged on the rack 100 at the top end of the squeezing mechanism 200, the hydraulic cylinder fixing frame 251 is of a plate-shaped structure and is provided with a plurality of hole sites, a cylinder barrel of the hydraulic cylinder 252 is fixed on the hydraulic cylinder fixing frame 251, and the hydraulic cylinder fixing frame 251 is fixed on the rack 100.

As shown in fig. 15 and 16, the hydraulic cylinder holder 251 is stably mounted on the frame 100 through the thrust member 130, the frame includes the base 120, the upright 110 and the thrust member 130, and the thrust member 130 includes the thrust plate 131, the thrust connecting plate 132, the shear plate 133, the column connecting plate 134, the shear sleeve 135 and the shear sleeve bolt 136.

Referring to fig. 15 and 16, the hydraulic cylinder fixing frame 251 is movably placed on the bracket rod 137 fixed on the inner side surface of the upright column 110, a plurality of thrust members are uniformly arranged on the periphery of the upper side surface of the hydraulic cylinder fixing frame 251, the shear plate 133 is tightly attached to the inner side of the upright column 110, the lower end of the shear plate is abutted against the upper side surface of the hydraulic cylinder fixing frame 251, and the upright column 110, the column connecting plate 134, the shear plate 133, the thrust connecting plate 132 and the thrust plate 131 are sequentially connected together through the shear sleeve 135 and the shear sleeve bolt 136.

The hydraulic cylinder 252 is a single-piston rod hydraulic cylinder and can perform a double-acting cylinder with two-way movement, and drives the movable platen 240 to move up and down when operating.

The end of the piston rod 253 of the hydraulic cylinder 252 is fixedly connected to a bearing block 241 provided on the movable upper end surface, see fig. 2.

In this example, the end of the piston rod 253 of the hydraulic cylinder 252 is a spherical head, and the pressure-bearing seat 241 is a concave spherical seat, which are connected in a matching manner.

A plurality of hydraulic cylinders with the same type are uniformly distributed on the hydraulic cylinder fixing frame 251.

Alternatively, the pressing device 250 of the press mechanism 200 may be operated by an electric screw press instead of the hydraulic cylinder.

In an example, the material distributing mechanism 400 includes a stirring barrel 410, a stirring motor 420, a stirring body 440, a material distributing opening 460 and a spatula 470, as shown in fig. 1, 2 and 9.

As shown in fig. 1, 2 and 9, a material distribution gate valve 450 is disposed at the material distribution opening 460, the gate valve is composed of a material distribution opening frame 451, a material distribution gate 452 and a material distribution electric valve 453, the material distribution gate 452 opens or closes the outflow of sludge or stops, and the material distribution electric valve 453 controls the material distribution gate 452 to move back and forth. The stirring barrel 410 has a cylindrical shape. The stirring motor 420 is disposed above the stirring barrel 410, and the lower end of the stirring shaft 430 is connected to the stirring body 440. The stirring body 440 is formed by more than one spiral blade, and alternatively, a rotating comb strip, in which the lower edge of the spatula 470 is provided with a tooth-shaped protrusion (not shown in the figure), can be used.

As shown in fig. 1 and 2, the conveying and filtering mechanism is composed of a driving roller 320, an auxiliary roller 330, a tension roller 360, more than one direction-changing roller 340, more than one supporting roller 350 and a filtering and conveying belt 310 sleeved between the rollers.

Preferably, the driving roller 320 and the auxiliary roller 330 are respectively provided with a limiting ring 332 at two ends thereof, so that the filter transmission belt 310 can be kept running in the limiting rings 332 at two ends, see fig. 18, wherein only the auxiliary roller 330 is shown, and the driving roller 320 is the same as the driving roller (not shown).

The filtering conveyer belt 310 is an annular filter cloth, which can be made of common filter cloth by sewing or sticking, or directly by weaving.

The driving roller 320 is driven by a driving motor 321 through a belt or a chain; the auxiliary roller 330 is driven by an auxiliary motor 331 via a belt or chain, see fig. 1 and 2 (the connecting belt or chain is not shown).

The tension roller 360 is driven by two tension cylinders 370 mounted on elastic mounts, alternatively the tension cylinders 370 can be springs or pneumatic cylinders.

As shown in fig. 1, 2 and 17, the discharging mechanism 500 includes a discharging body 540 and a discharging hopper 510. The stripper 540 comprises a stripper seat 542 and a stripper shovel 541, two stripper seats 542 are fixed on the frame 100, the revolving shaft of the stripper shovel 541 is movably connected to the stripper seat 542, a torsion spring is arranged in the stripper seat 542, and the torsion spring forces the stripper shovel 541 to be elastically close to the filter conveyor belt 310 on the auxiliary roller 330. The discharging shovel 541 is a long arc structure. The discharging hopper 510 is located under the discharging device 540 for a large opening, and the sludge discharged by the discharging device 540 falls into the discharging hopper 510. The bottom of unloading hopper 510 is unloading mouth 530, and this department is equipped with unloading push-pull valve 520, comprises unloading mouth frame 521, unloading picture peg 522 and unloading motorised valve 523.

As shown in fig. 17, the movable loading of the unloading insert plate 522 in the edge groove of the unloading frame 521 can make a round trip to move smoothly, the unloading valve push rod 524 of the side edge fixed connection unloading electric valve 523 far away from the unloading 530 can make the unloading valve push rod 524 stretch out and draw back to drive the unloading insert plate 522 to open or close the unloading 530 after the unloading electric valve 523 is powered on.

The cleaning mechanism is disposed at the bottom of the housing 100 through which the filter conveyor 310 passes.

As shown in fig. 1 to 3, the cleaning mechanism 600 includes a cleaning tank 610 having a plurality of nozzles 620 therein, the nozzles being arranged in a direction perpendicular to the filter conveyor 310. The cleaning mechanism 600 comprises a cleaning box 610, a water spraying pipe 630 with a plurality of nozzles is arranged in the cleaning box 610, the filtering conveyor belt passes through a belt inlet 611 and a belt outlet 612 of the cleaning box, the belt inlet 611 and the belt outlet 612 are both provided with a soft water-proof baffle (not shown in the figure) to prevent water and air from spraying out of the cleaning box 610, and a cleaning box water outlet 613 is arranged at the bottom of the cleaning box 610. The spraying direction of the spraying head is perpendicular to the filtering and conveying belt 310, and preferably, a cleaning box partition 614 is arranged between the gas spraying pipe 620 and the water spraying pipe 630, so that the gas spraying and the water spraying are not affected mutually.

Alternatively, more than one cleaning mechanism may be provided along the filter conveyor belt 310.

Referring to fig. 1, the auxiliary mechanism 700 includes a hot air blower 710, an air extractor 720 and a deodorization tank 730, which are provided at an end of the frame 100 near the discharging mechanism 500.

The hot air blower 710 includes a heater and an air blower, and the air blower blows hot air generated by the heater to the sludge to be discharged, so that the sludge is further dried.

The exhaust fan draws away the exhaust gas generated after the sludge is heated by the hot air blower 710.

The deodorizing box 730 stores the deodorizing liquid, and the exhaust gas pumped by the air pump 720 enters the deodorizing box 730 for deodorization.

Sealing strips or sealing rings (not shown) are arranged at the positions where the relative movement and the sealing are needed.

As shown in fig. 1 to 15, the production process is that, the sludge is added into the stirring barrel 410, the stirring motor 420 is started to drive the stirring shaft 430 and the stirring body 440 to stir the sludge, after a suitable time (set by a program), the distributing gate valve 450 is opened, the distributing gate valve 452 is driven by the distributing electric valve 453 to move out of the distributing opening 460, the sludge flows out of the distributing opening 460 onto the filter conveyor belt 310, meanwhile, the filter conveyor belt 310 is driven by the driving roller 320 and the auxiliary roller 330 to move from the distributing mechanism 400 to the discharging mechanism 500, the sludge is leveled by the bottom edge of the spatula 470 and moves to a position between the squeezing plate 230 and the loading plate 210 in the squeezing mechanism 200, and when the sludge moves to a suitable distance, that is, when the front end of the distributed sludge reaches the area of the extrusion plate 230 close to the bearing plate 210 corresponding to the inner side edge of the pressing sealing strip 231 of the discharging mechanism 500, the movement of the filter conveyor belt 310 is suspended, and meanwhile, an external hydraulic system (not shown in the figure) forces the hydraulic cylinder 252 to pressurize the movable press plate 240, the movable press plate 240 moves downwards along the vertical guide rail 244, the extrusion plate 230 moves along with the movable press plate 240, and after moving to a certain distance, the extrusion plate 230, the pressing sealing strip 231 and the bearing plate 210 form a sealed pressing cavity 260, the sludge is located in the sealed pressing cavity 260, in the example, the extrusion plate 230 is sequentially covered with a water permeable plate and a filter cloth, the bearing plate 210 is similar to the above, and as the movable press plate 240 continues to move downwards, the filtrate in the sludge is extruded, and the filtrate is discharged from the water outlet 214 of the bearing plate 210. After the sludge is squeezed, the hydraulic system stops pressurizing, the power supply of the heating mechanism is started, the inter-polar plate electrophoresis mode or the electromagnetic eddy drying mode is started, two drying modes can be started sequentially, in addition, the negative pressure pipeline can be communicated with the air exhaust hole 234 of the squeezing plate 230 to vacuumize the sealed squeezing cavity 260, so that negative pressure is formed in the sealed squeezing cavity 260, the boiling point of water is reduced, the sludge drying is accelerated, steam generated by heating is exhausted, multiple drying is carried out on the sludge, the hydraulic system forces the movable pressing plate 240 to move upwards after the drying is completed, the filtering and conveying belt 310 continuously moves in the original direction, the squeezed and dried sludge moves close to the discharging mechanism 500, the hot air blower 710 (alternatively, an air blower) of the auxiliary mechanism 700 starts to blow the sludge to continuously dry the sludge, meanwhile, waste gas generated by the operation of the air extractor 720 of the auxiliary mechanism 700 enters the deodorizing box 730 to purify and discharge the sludge, the finally treated sludge moves to the discharging shovel 541 in the discharging mechanism 500, the discharging shovel 541 separates the discharging mechanism from the filtering and discharges the discharging conveyor belt 310 and discharges the discharging shovel 510 into the discharging hopper 510. The continuous movement of the filter conveyer belt 310 in the original direction returns to the drive roll through the turning roll 340, the carrier roller 350 and the tension roll 360 to complete a cycle, in addition, a cleaning mechanism 600 is arranged at the tension roll 360 (or at other places or at a plurality of suitable places), the filter conveyer belt 310 blows air and sprays water to the filter conveyer belt 310 through the air spraying pipe 620 and the water spraying pipe 630 in the cleaning box 610, all the mechanical action processes are completed under the control of a detection device, a control circuit and a computer program, and the material distribution, the material unloading, the auxiliary cleaning and the cleaning can be carried out synchronously, so that the time is saved, and the efficiency is greatly improved (a rotary encoder and a resistance meter are not drawn in the figure).

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims

1. The utility model provides a wiper mechanism of perpendicular filter-pressing electrophoresis of high pressure and electromagnetism vacuum drying equipment, this equipment includes frame, cloth mechanism, filters transport mechanism, squeezing mechanism, wiper mechanism, unloading mechanism and complementary unit, its characterized in that: a driving roller and an auxiliary roller of the filtering and conveying mechanism are fixed at two ends of the frame, and a rotatable filtering and conveying belt is sleeved between the driving roller and the auxiliary roller; the squeezing mechanism is positioned in the middle section of the rack and comprises a squeezing plate and a bearing plate, the bearing plate is horizontally and fixedly arranged on the rack, the squeezing plate is positioned above the bearing plate, the width of the squeezing plate is matched with that of the bearing plate, the squeezing plate is matched with the bearing plate and falls onto the bearing plate to generate squeezing force on sludge during squeezing, a closed squeezing cavity is formed by the squeezing plate and the bearing plate, and heating mechanisms are arranged on the upper side and the lower side of the closed squeezing cavity to heat and dry the sludge; the material distribution mechanism is arranged at one end of the frame and positioned above the bearing plate, a material distribution opening at the bottom of the material distribution mechanism is parallel to the bearing plate, the filtering conveyor belt penetrates through the material distribution opening and the bearing plate and then passes through a space between the extrusion plate and the bearing plate and then reaches the material unloading mechanism arranged at the other end of the frame, and the filtering conveyor belt links material distribution, filter pressing and material unloading into a whole; and the non-working section of the filtering and conveying belt is provided with a cleaning mechanism for cleaning the filtering and conveying belt.

2. The cleaning mechanism of the high-pressure vertical filter-pressing electrophoresis and electromagnetic vacuum drying equipment as claimed in claim 1, wherein: the cleaning mechanism is arranged at the bottom of the rack and comprises a cleaning box body, an air injection pipe and a water spray pipe, and the filtering and conveying belt passes through a belt inlet and a belt outlet of the filtering and conveying belt.

3. The cleaning mechanism for the high-pressure vertical filter-pressing electrophoresis and electromagnetic vacuum drying equipment as claimed in claim 2, wherein: and the air injection pipe is provided with a plurality of air injection heads, and the air injection direction of the air injection heads is vertical to the filtering conveyor belt.

4. The cleaning mechanism of the high-pressure vertical filter-pressing electrophoresis and electromagnetic vacuum drying equipment as claimed in claim 3, wherein: the water spraying pipe is provided with a plurality of water spraying heads, and the water spraying direction of the water spraying heads is vertical to the filtering and conveying belt.

5. The cleaning mechanism of the high-pressure vertical filter-pressing electrophoresis and electromagnetic vacuum drying equipment as claimed in claim 2, wherein: the belt inlet and the belt outlet are respectively provided with a soft water-proof baffle for preventing water and air from being sprayed out of the cleaning box body.

6. The cleaning mechanism of the high-pressure vertical filter-pressing electrophoresis and electromagnetic vacuum drying equipment as claimed in claim 1, wherein: a partition board is arranged in the cleaning box body and used for separating the air injection pipe and the water spray pipe.

7. The cleaning mechanism for the high-pressure vertical filter-press electrophoresis and electromagnetic vacuum drying equipment according to any one of claims 4 to 6, which is characterized in that: the water pressure sprayed by the sprinkler head is more than 5MPA.

8. The cleaning mechanism of the high-pressure vertical filter-pressing electrophoresis and electromagnetic vacuum drying equipment as claimed in claim 6, wherein: and a cleaning box water outlet is formed in the bottom of the cleaning box body.

9. The cleaning mechanism of the high-pressure vertical filter-pressing electrophoresis and electromagnetic vacuum drying equipment as claimed in claim 4, wherein: more than two cleaning mechanisms are arranged along the filtering and conveying belt.