CN214344792U - Multifunctional filtering device - Google Patents

Abstract

The utility model provides a multifunctional filtering device, which comprises a shell, wherein the shell is sequentially divided into a cavity area, a filtering area, a stirring area and a liquid discharge area which are communicated with each other from top to bottom; the filtering area is provided with a filtering component, the stirring area is provided with a stirring component, and a filtering plate is arranged between the stirring area and the liquid discharge area. The utility model discloses a from top to bottom divide into cavity district, filtering area, stirring district and flowing back district in proper order in with the casing, have different functions respectively, filter the raw materials through filtering component in the filtering area, in the cavity district, can let in gaseous solid after filtering and press futilely to gather the solid on the filter, the rethread solvent dissolves the making beating to the solid under the effect of stirring subassembly. The utility model discloses can realize filtering, making beating, press dry and dissolve etc. function, have simple structure and characteristics such as area is little.

Description

Multifunctional filtering device

Technical Field

The utility model belongs to the technical field of filter, especially, relate to a multifunctional filtering device.

Background

At present, in the industries of pharmacy, food, chemical industry and the like, the process is used for multiple processes of filtering, cleaning, drying, crushing and the like of materials, one or two processes are mostly finished in one device, and the materials are required to be poured through an intermediate link and enter another device for the next process. Therefore, the utilization rate of the equipment is low, the production cost is increased, and the labor intensity is high.

In the post-treatment process of the azoxystrobin wastewater and the mother liquor, solid-liquid separation and pulping are required, and the filter cake is pressed to be dry and then is supplemented with another solvent for dissolution. To realize the process, the traditional equipment needs to be provided with a centrifugal machine, a solid conveyor, a filter press, a dissolving kettle and other equipment, and relates to solid material transportation, and the problems of large investment, large occupied area, poor field environment, low safety level and the like exist.

CN110563008A discloses a method for recycling sodium nitrate from waste nitric acid, and the reaction device comprises a box body, wherein the inner cavity of the box body is fixedly connected with a reaction kettle, the top of the box body is communicated with a feeding pipeline, and the bottom end of the feeding pipeline sequentially penetrates through the box body and the reaction kettle from top to bottom and extends to the inner cavity of the reaction kettle. The bottom of charge-in pipeline and reation kettle's top intercommunication, the right side fixedly connected with driving motor of box inner chamber, the top of box inner chamber is rotated and is connected with the dwang, and the dwang is located the fixed surface of reation kettle inner chamber and is connected with the stirring leaf. The reaction is carried out through the reaction kettle, the contact area is increased through the stirring of the stirring blades, so that the reaction is carried out more quickly and fully, and the processing efficiency of the process is increased.

CN108379892A discloses a dual-path filter-pressing separation device and an operation method, the separation device includes a filter-pressing box and a reaction box, the filter-pressing box is provided with a first feed inlet, the top of the filter-pressing box is provided with a motor, the motor is connected with a pressure plate through a hydraulic rod, an opening is arranged below the filter-pressing box, a filter screen is arranged at the opening, one side of the filter screen is provided with a second feed inlet, the lower part of the second feed inlet is connected with the bottom end of a spiral evaporator, the top end of the spiral evaporator is communicated with a pump, the pump is provided with two pipeline channels, one of the pipeline channels is connected with a heating box, the other pipeline channel is connected with a cooling box, one side of the heating box is provided with a plurality of guide pipes, the guide pipes are communicated with the filter box, the first cooling box is communicated with a vacuum box, and the filter box and the vacuum box are communicated with a material tank through hoses. But still has the problems of large occupied area, complex structure and the like.

CN209010166U discloses a filtration washing device for nickel carbonate ground paste solid-liquid separation, including mother liquor pressure filter, unloading funnel and the washing cauldron that connects gradually, be connected with washing hot water supply system on the washing cauldron, still include mounting platform, the mother liquor pressure filter sets up on the mounting platform mesa, and unloading funnel and washing cauldron are located the mounting platform lower part, the unloading funnel connects the material position to be located the solid material export below of mother liquor pressure filter, and unloading funnel discharge gate is connected in the washing cauldron feed inlet. The utility model discloses an add proper amount hot water in the washing cauldron, go into synthetic back nickel carbonate thick liquids pump the pressure filter carries out solid-liquid separation, with mother liquor (filtrating) thoroughly discharge, and the automatic hopper that unloads of nickel carbonate filter cake is washed into the washing cauldron with remaining filter cake in the hot water with the hopper, very big reduction the water consumption of nickel carbonate washing, shortened operation cycle simultaneously, improved output and quality, alleviateed intensity of labour.

The existing filtering device has the problems of single function, complex structure, large occupied area and the like, so that the filtering device has the characteristics of multifunction and integration under the condition of ensuring simple structure and small occupied area, and becomes the problem which needs to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a multifunctional filtering device through divide into cavity district, filtering area, stirring district and flowing back district from top to bottom in proper order in with filtering device, carries out different operations respectively, can realize filtering, making beating, presses dry and dissolve the function such as, has characteristics such as simple structure and area are little.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a multifunctional filtering device, which comprises a shell, wherein the shell is sequentially divided into a cavity area, a filtering area, a stirring area and a liquid discharge area which are communicated with each other from top to bottom; the filtering area is provided with a filtering component, the stirring area is provided with a stirring component, and a filtering plate is arranged between the stirring area and the liquid discharge area.

The utility model discloses a from top to bottom divide into the cavity district in proper order in with the casing, the filtration district, stirring district and flowing back district, different functions have respectively, the raw materials gets into the filtration district and filters the back through the filtering component, through cavity district discharge filter equipment, after filtering the completion, aerify in the cavity district, make the liquid in the filter equipment through flowing back district discharge filter equipment, and blow off the solid matter in the filter equipment to the filter, and by gaseous pressure dry on the filter, press dry to pour into the cleaner washing into in the filter equipment into, press dry the back again and pour into the diluent into, start agitating unit and make beating to the solid, discharge by the flowing back district after the making beating is accomplished. The utility model discloses can realize filtering, making beating, press dry and dissolve etc. function, have simple structure and characteristics such as area is little.

As the utility model discloses a preferred technical scheme, be provided with the card between cavity district and the filtering area, filtering component is located card filtering area one side.

The filter assembly comprises at least one filter stick hung on the pattern plate.

It should be noted that the utility model discloses do not do specific requirement and special restriction to the material and the structure of filter rod, the material, length and the aperture of filter rod can be rationally selected according to the operation demand to the technical staff in the field, for example, the material of filter rod is metal sintering or polymer polyethylene etc..

It should be noted that, the utility model discloses do not do specific requirements and special restriction to the connected form of filter rod and card, the connection form of filter rod and card can rationally be selected according to the operation demand to the technical staff in the art, for example, filter rod and card pass through NPT sealed pipe thread or bolted connection.

As the utility model discloses a preferred technical scheme, the stirring subassembly includes the (mixing) shaft to and set up in the epaxial stirring rake of stirring, the stirring rake is located the top of filter.

It should be noted that, the utility model discloses the contact department of (mixing) shaft and casing must be provided with seal structure, guarantees the leakproofness of casing, the utility model discloses do not specifically require and specially prescribe a limit to seal structure's form, technical personnel in the field can rationally select seal structure's form according to the operation demand, for example, seal structure is mechanical seal.

The stirring paddle comprises at least two stirring paddle blades, and the cross sections of the stirring paddle blades are trapezoidal.

The utility model discloses a set up stirring paddle leaf's cross-section into trapezoidal, strengthen stirring paddle leaf's intensity, avoid stirring paddle leaf to warp at stirring solid in-process, influence stirring effect.

As a preferred embodiment of the present invention, the distance between the edge of the stirring blade and the inner wall of the casing is less than or equal to 10mm and does not include 0, for example, the distance between the edge of the stirring blade and the inner wall of the casing is 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm or 10mm, but the distance is not limited to the recited values, and other values not recited in the numerical range are also applicable.

The distance between the stirring paddle and the filter plate is less than or equal to 10mm and does not include 0, for example, the distance between the stirring paddle and the filter plate is 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm or 10mm, but the distance is not limited to the values listed, and other values not listed in the range of the values are also applicable.

As a preferred technical scheme of the utility model, the (mixing) shaft runs through cavity district and filtering area.

The top of the shell is provided with a power device connected with the stirring shaft, and the power device is used for driving the stirring shaft and driving the stirring paddle to rotate.

It should be noted that the present invention does not have specific requirements and special limitations on the structure and driving form of the power device, and those skilled in the art can reasonably select the structure and driving form of the power device according to the operation requirement, for example, the power device includes an electric or hydraulic motor, a speed regulation device, a speed reducer and a speed reduction frame.

The stirring shaft in the cavity area is separated from the cavity area through a sealing plate and is sealed.

The stirring paddle is fixed through a fixed shaft sleeve, and the fixed shaft sleeve is located in a shell where the stirring area is located.

As a preferred technical scheme of the utility model, the filter bottom is provided with the backup pad.

The supporting plate is provided with at least one partition plate which is arranged side by side along the horizontal direction on one side in contact with the filter plate, and the partition plate divides the surface of the filter plate into at least two flow guide grooves.

At least one through hole is formed in the bottom of the flow guide groove.

The utility model discloses a backup pad strengthens the intensity of filter to prevent at filter-pressing in-process filter scheduling problem that drops, in addition, through forming the guiding gutter between backup pad and filter, to the liquid refluence after filtering, and through seting up the through-hole in the guiding gutter bottom, make liquid flow in the flowing back district, avoid filter pressure too big.

As a preferred technical scheme of the utility model, stirring district place casing is provided with the clamp cover with flowing back district place casing outer wall.

The utility model discloses a be provided with to stirring district and flowing back district outer wall and press from both sides the cover, can heat or cool off stirring and discharged liquid, can effectively improve stirring efficiency to functions such as multiplicable heating and cooling crystallization further improve the utility model discloses a functionality.

As a preferred technical scheme of the utility model, the cover that presss from both sides divide into mutually independent stirring district and press from both sides the cover with the flowing back district, the stirring district presss from both sides the cover and is located stirring district place casing outer wall, the flowing back district presss from both sides the cover and is located flowing back district place casing outer wall.

The stirring area jacket and the liquid discharge area jacket are connected through a connecting pipe.

The utility model discloses a stirring district presss from both sides the cover and controls the temperature to stirring district and flowing back district respectively, and further control liquid temperature distributes, can improve stirring effect to control liquid discharge temperature.

As an optimal technical scheme of the utility model, the casing include the barrel to and be located the upper cover and the low head at barrel both ends, the cavity district is located the upper cover, filtering area and stirring zone are located the barrel, the flowing back district is located casing down.

The cylinder body is detachably connected with the upper end enclosure.

The cylinder body is detachably connected with the lower end enclosure.

The utility model discloses a set up the barrel and can dismantle with upper cover and low head respectively and be connected, make things convenient for the change and the maintenance of devices such as filter and filter rod, have the characteristics of the maintenance nursing of being convenient for.

It should be noted that the present invention does not have specific requirements and limitations on the detachable connection form, and those skilled in the art can reasonably select the detachable connection form according to the operation requirement, for example, the detachable connection form is a flange connection.

As an optimal technical scheme of the utility model, liquid outlet, notes agent mouth and air inlet have been seted up respectively to the casing top.

The bottom of the shell is provided with a liquid outlet, the side wall of the shell is provided with a liquid inlet, and the liquid inlet is positioned at the bottom of the shell where the filtering area is positioned.

Be provided with pressure sensor and temperature sensor on the casing, pressure sensor is used for detecting casing internal pressure, temperature sensor is used for detecting casing internal temperature.

Exemplarily, a using method of the multifunctional filtering device is provided, and the using method specifically includes:

the raw materials enter a filtering area from a liquid inlet, solid is filtered by a filter stick, and then the solid enters a cavity area and is discharged from a liquid outlet, so that liquid is completely filtered;

(II) blowing gas from the gas inlet to discharge liquid in the shell from the liquid outlet, and blowing the solid from the surface of the filter stick onto the filter plate for drying;

(III) injecting a cleaning agent through an injection port after the solid is dried by pressing, cleaning the solid, repeating the step (II) after the cleaning is finished, and drying the solid by pressing; and after the drying, injecting the solvent again, pulping the solid under the stirring of a stirring paddle, and discharging the solid from a liquid outlet after the pulping is finished.

In the steps (I), (II) and (III), the starting of the jacket can be reasonably controlled by a person skilled in the art according to the operation requirement, and the temperature in the shell can be regulated and controlled.

The numerical range of the present invention includes not only the point values listed above, but also any point values between the above numerical ranges not listed, which is limited to space and for the sake of brevity, the present invention does not exhaust the specific point values included in the range.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a from top to bottom divide into cavity district, filtering area, stirring district and flowing back district in proper order in with the casing, have different functions respectively, filter the raw materials through filtering component in the filtering area, in the cavity district, can let in gaseous solid after filtering and press futilely to gather the solid on the filter, the rethread solvent dissolves the making beating to the solid under the effect of stirring subassembly. The utility model discloses can realize filtering, making beating, press dry and dissolve etc. function, have simple structure and characteristics such as area is little.

Drawings

Fig. 1 is a schematic structural diagram of a multifunctional filtering apparatus provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a stirring blade provided in an embodiment of the present invention.

Wherein, 1-a power plant; 2, sealing an upper end; 3-pattern plate; 4-filtering the filter stick; 5-a pressure sensor; 6-cylinder body; 7-fixing the shaft sleeve; 8-stirring zone jacket; 9-stirring paddle; 10-a filter plate; 11-a support plate; 12-lower end enclosure; 13-drain region jacket; 14-a connecting tube; 15-a temperature sensor; 16-a stirring shaft; 17-stirring blade.

Detailed Description

It is to be understood that in the description of the present invention, the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

It should be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected" and "connected" in the description of the present invention are to be construed broadly, and may for example be fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

It should be understood by those skilled in the art that the present invention inevitably includes necessary pipelines, conventional valves and general pump devices for realizing the complete process, but the above contents do not belong to the main invention point of the present invention, and those skilled in the art can select types based on the process flow and the device structure to automatically add the layout, and the present invention does not have special requirements and specific limitations for the above.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In a specific embodiment, the present invention provides a multifunctional filtering device, as shown in fig. 1, the multifunctional filtering device comprises a casing, the casing is sequentially divided into a cavity area, a filtering area, a stirring area and a liquid discharge area from top to bottom, the cavity area, the filtering area, the stirring area and the liquid discharge area are communicated with each other; the filtering area is provided with a filtering component, the stirring area is provided with a stirring component, and a filtering plate 10 is arranged between the stirring area and the liquid discharge area.

The utility model discloses a from top to bottom divide into the cavity district in proper order in with the casing, the filtration district, stirring district and flowing back district, different functions have respectively, the raw materials gets into the filtration district and filters the back through the filtering component, through cavity district discharge filter equipment, after filtering the completion, aerify in the cavity district, make the liquid in the filter equipment through flowing back district discharge filter equipment, and blow off the solid matter in the filter equipment to filter 10, and dry by gaseous pressure on filter 10, press dry and pour into the cleaner washing into in the filter equipment into, press dry again and pour into the diluent into, start agitating unit and make beating to the solid, discharge by the flowing back district after the making beating is accomplished. The utility model discloses can realize filtering, making beating, press dry and dissolve etc. function, have simple structure and characteristics such as area is little.

Be provided with card 3 between cavity district and the filtering area, filtering component is located card 3 filtering area one side, and further, filtering component includes that at least one hangs filter rod 4 of locating on card 3.

The stirring assembly comprises a stirring shaft 16 and a stirring paddle 9 arranged on the stirring shaft 16, the stirring shaft 16 penetrates through the cavity area and the filtering area, and the stirring paddle 9 is positioned above the filtering plate 10. As shown in fig. 2, the stirring paddle 9 includes at least two stirring paddles, the cross section of the stirring paddle 17 is trapezoidal, further, the distance between the edge of the stirring paddle 9 and the inner wall of the housing is not more than 10mm and not more than 0, the distance between the stirring paddle 9 and the filter plate 10 is not more than 10mm and not more than 0, the stirring shaft 16 located in the cavity region is separated and sealed from the cavity region through a sealing plate, the stirring paddle 9 is fixed by a fixing shaft sleeve 7, and the fixing shaft sleeve 7 is located in the housing where the stirring region is located. The utility model discloses a set up stirring paddle 17's cross-section into trapezoidal, strengthen stirring paddle 17's intensity, avoid stirring paddle 17 to warp at stirring solid in-process, influence stirring effect.

The top of the shell is provided with a power device 1 connected with the stirring shaft 16, the power device 1 is used for driving the stirring shaft 16 and driving the stirring paddle 9 to rotate, and optionally, the power device 1 comprises an electric or hydraulic motor, a speed regulating device, a speed reducer and a speed reducing frame.

Further, the bottom of the filter plate 10 is provided with a supporting plate 11, one side of the supporting plate 11 contacting with the filter plate 10 is provided with at least one partition plate arranged side by side along the horizontal direction, the partition plate divides the surface of the filter plate 10 into at least two flow guide grooves, and at least one through hole is formed in the bottom of the flow guide groove. The utility model discloses a backup pad 11 strengthens the intensity of filter 10 to prevent at filter-pressing in-process filter 10 scheduling problem that drops, in addition, through forming the guiding gutter between backup pad 11 and filter 10, to the liquid refluence after filtering, and through seting up the through-hole in the guiding gutter bottom, make liquid flow in the flowing back district, avoid filter pressure too big.

Furthermore, a jacket is arranged on the outer wall of the shell where the stirring area and the liquid discharge area are located. The utility model discloses a be provided with to stirring district and flowing back district outer wall and press from both sides the cover, can heat or cool off stirring and discharged liquid, can effectively improve stirring efficiency to functions such as multiplicable heating and cooling crystallization further improve the utility model discloses a functionality.

Furthermore, the jacket is divided into a stirring area jacket 8 and a liquid discharge area jacket 13 which are independent from each other, the stirring area jacket 8 is positioned on the outer wall of the shell where the stirring area is located, and the liquid discharge area jacket 13 is positioned on the outer wall of the shell where the liquid discharge area is located. Stirring zone jacket 8 and liquid discharge zone jacket 13 are connected by connecting pipe 14. The utility model discloses a stirring district presss from both sides cover 8 and flowing back district clamp cover 13 and controls the temperature to stirring district and flowing back district respectively, and further control liquid temperature distribution can improve stirring effect to control liquid exhaust temperature.

Further, the shell comprises a barrel body 6, an upper end enclosure 2 and a lower end enclosure 12, wherein the upper end enclosure 2 and the lower end enclosure 12 are located at two ends of the barrel body 6, a cavity area is located at the upper end enclosure 2, a filtering area and a stirring area are located at the barrel body 6, a liquid discharging area is located at the lower shell body, the barrel body 6 is detachably connected with the upper end enclosure 2, the barrel body 6 is detachably connected with the lower end enclosure 12, and optionally, the detachable connection is in a flange connection mode. The utility model discloses a set up barrel 6 and can dismantle with upper cover 2 and low head 12 respectively and be connected, make things convenient for the change and the maintenance of devices such as filter 10 and filter rod 4, have the characteristics of the maintenance nursing of being convenient for.

Furthermore, a liquid outlet, an agent injection port and an air inlet are respectively formed in the top of the shell, a liquid outlet is formed in the bottom of the shell, a liquid inlet is formed in the side wall of the shell, and the liquid inlet is located at the bottom of the shell where the filtering area is located.

Further, a pressure sensor 5 and a temperature sensor 15 are arranged on the shell, the pressure sensor 5 is used for detecting the pressure in the shell, and the temperature sensor 15 is used for detecting the temperature in the shell.

Exemplarily, a using method of the multifunctional filtering device is provided, and the using method specifically includes:

the raw materials enter a filtering area from a liquid inlet, solid is filtered by a filter stick 4, and then the solid enters a cavity area and is discharged from a liquid outlet, so that liquid is completely filtered;

(II) blowing gas from the gas inlet to discharge liquid in the shell from the liquid outlet, and blowing the solid from the surface of the filter stick 4 onto the filter plate 10 for drying;

(III) injecting a cleaning agent through an injection port after the solid is dried by pressing, cleaning the solid, repeating the step (II) after the cleaning is finished, and drying the solid by pressing; after the drying, the solvent is injected again, the solid is beaten under the stirring of the stirring paddle 9, and after the beating is finished, the solid is discharged from a liquid outlet.

In the steps (I), (II) and (III), the starting of the jacket can be reasonably controlled by a person skilled in the art according to the operation requirement, and the temperature in the shell can be regulated and controlled.

Application example 1

The application example provides a method for producing azoxystrobin mother liquor by using the multifunctional filtering device of a specific embodiment, and the production method specifically comprises the following steps:

The solid-liquid mixture of the azoxystrobin mother liquor enters a filtering area from a liquid inlet, the solid is filtered by a filter stick 4, and then the solid enters a cavity area and is discharged from a liquid outlet, so that the liquid is completely filtered;

(II) blowing nitrogen into the filter rod from the air inlet to discharge liquid in the shell from the liquid outlet, blowing the solid from the surface of the filter rod 4 onto the filter plate 10, and drying the solid by pressing;

(III) injecting a first solvent from an injection port after the pressing and drying, cleaning the solid, repeating the step (II) after the cleaning is finished, and pressing and drying the solid; and after the drying, injecting the second solvent again, introducing steam into the stirring area jacket 8 and the liquid discharge area jacket 13 for heating, pulping the solid under the stirring of the stirring paddle 9, and discharging the solid from a liquid discharge port after the pulping is finished.

Application example 2

The application example provides a method for discharging E/Y wastewater decolorization waste activated carbon by using a multifunctional filtering device of a specific embodiment, and the discharging method specifically comprises the following steps:

E/Y waste water enters a filtering area from a liquid inlet after being decolored by active carbon, and liquid enters a cavity area and is discharged from the liquid outlet after being filtered by a filter stick 4, so that the liquid is completely filtered;

and (II) blowing nitrogen into the filter rod from the air inlet to discharge liquid in the shell from the liquid outlet, blowing the activated carbon from the surface of the filter rod 4 onto the filter plate 10 for drying, starting the stirring paddle 9 after drying, and collecting the activated carbon on the filter plate 10.

The utility model discloses a from top to bottom divide into cavity district, filtering area, stirring district and flowing back district in proper order in with the casing, have different functions respectively, filter the raw materials through filtering component in the filtering area, in the cavity district, can let in gaseous solid after filtering and press futilely to on gathering solid and filter 10, the rethread solvent dissolves the making beating to the solid under the effect of stirring subassembly. The utility model discloses can realize filtering, making beating, press dry and dissolve etc. function, have simple structure and characteristics such as area is little.

The applicant states that the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present invention are within the protection scope and the disclosure scope of the present invention.

Claims (10)

1. The multifunctional filtering device is characterized by comprising a shell, wherein the shell is sequentially divided into a cavity area, a filtering area, a stirring area and a liquid discharging area which are communicated with one another from top to bottom;

The filtering area is provided with a filtering component, the stirring area is provided with a stirring component, and a filtering plate is arranged between the stirring area and the liquid discharge area.

2. The multifunctional filtering device according to claim 1, wherein a flower plate is arranged between the cavity zone and the filtering zone, and the filtering component is positioned at one side of the filtering zone of the flower plate;

the filter assembly comprises at least one filter stick hung on the pattern plate.

3. The multifunctional filter device according to claim 1, wherein the stirring assembly comprises a stirring shaft, and a stirring paddle arranged on the stirring shaft, wherein the stirring paddle is positioned above the filter plate;

the stirring paddle comprises at least two stirring blades, and the cross sections of the stirring blades are trapezoidal.

4. The multifunctional filtering device according to claim 3, wherein the distance between the edge of the stirring paddle and the inner wall of the shell is less than or equal to 10mm and does not include 0;

the distance between the stirring paddle and the filter plate is less than or equal to 10mm and does not include 0.

5. The multifunctional filter device according to claim 3, wherein the stirring shaft penetrates the cavity zone and the filter zone;

the top of the shell is provided with a power device connected with the stirring shaft, and the power device is used for driving the stirring shaft and driving the stirring paddle to rotate;

The stirring shaft positioned in the cavity area is separated and sealed from the cavity area through a sealing plate;

the stirring paddle is fixed through a fixed shaft sleeve, and the fixed shaft sleeve is located in a shell where the stirring area is located.

6. The multifunctional filter device according to claim 1, wherein a support plate is provided at the bottom of the filter plate;

at least one partition board which is arranged side by side along the horizontal direction is arranged on one side of the support board, which is in contact with the filter plate, and the partition board divides the surface of the filter plate into at least two diversion trenches;

at least one through hole is formed in the bottom of the flow guide groove.

7. The multifunctional filtering device according to claim 1, wherein the outer walls of the shell in which the stirring area is located and the shell in which the liquid discharging area is located are provided with jackets.

8. The multifunctional filtering device according to claim 7, wherein the jacket is divided into a stirring zone jacket and a drainage zone jacket which are independent from each other, the stirring zone jacket is positioned on the outer wall of the shell where the stirring zone is positioned, and the drainage zone jacket is positioned on the outer wall of the shell where the drainage zone is positioned;

the stirring area jacket and the liquid discharge area jacket are connected through a connecting pipe.

9. The multifunctional filtering device as claimed in claim 1, wherein the housing comprises a cylinder, and an upper end enclosure and a lower end enclosure located at two ends of the cylinder, the cavity area is located at the upper end enclosure, the filtering area and the stirring area are located at the cylinder, and the liquid discharge area is located at the lower housing;

The cylinder body is detachably connected with the upper end enclosure;

the cylinder body is detachably connected with the lower end enclosure.

10. The multifunctional filtering device according to claim 1, wherein the top of the housing is provided with a liquid outlet, an agent injection port and an air inlet respectively;

the bottom of the shell is provided with a liquid outlet, the side wall of the shell is provided with a liquid inlet, and the liquid inlet is positioned at the bottom of the shell where the filtering area is positioned;

be provided with pressure sensor and temperature sensor on the casing, pressure sensor is used for detecting casing internal pressure, temperature sensor is used for detecting casing internal temperature.

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