CN219376204U - Filtering device - Google Patents

Abstract

The utility model relates to the technical field of solid-liquid separation, in particular to a filtering device. Including the jar body, install the material pipe on the jar body, the exit tube is installed to jar body lower extreme, installs into the pipe on the jar body lateral wall, jar body upper end is provided with the main shaft, and the main shaft lower extreme extends to jar internally, and main shaft and jar body upper end movable sealing connection, main shaft allow to rotate and follow jar axial direction motion of body, jar body upper end is fixed with drive arrangement, and jar internal main shaft lower extreme is fixed with the stirring subassembly, and filter media is installed to the jar internal below the stirring subassembly. The rotating plate can rotate when the blades rotate clockwise along with the rotary table and scrape and disperse filter cakes on the filter medium. At this time, only the blade parts at two sides of the rectangular groove scrape and disperse the filter cake, and the resistance is small in the process of blade rotation, so that the overload of a driving device for driving the main shaft can be avoided.

Description

Filtering device

Technical Field

The utility model relates to the technical field of solid-liquid separation, in particular to a filtering device.

Background

In the solid-liquid separation technology, in order to improve the efficiency of solid-liquid separation, partial filter equipment adopts a tank structure, and the inside filter medium that is provided with of tank, tank lower extreme are provided with the filtrate exit tube, and the internal agitator that still is provided with of tank simultaneously. The tank body design and manufacture of the filtering device are carried out according to the requirements of GB/T150.1-150.4-2011 pressure vessel and NB/T47015-2011 steel pressure vessel welding regulations, and products are ensured to meet the requirements of production technology.

During the filtration process, the stirrer is stopped at the very bottom, at which time the stirrer is started to rotate and simultaneously the material is started to be added into the tank, so that the solids in the suspension can not be precipitated in the filter medium rapidly by stirring. After a significant amount of filtrate has passed, the agitator can be raised to spin agitation, allowing more thorough filtration. After the filtering material and the liquid are uniformly mixed, the stirrer is moved to the highest point, stirring is stopped, and the tank body is pressurized for filter pressing. After filter pressing, the solids will agglomerate on the filter media to form a filter cake, and the filtrate will begin to decrease. Then adding washing liquid into the tank body, starting the stirrer, scraping the filter cake by using the stirrer, beating the filter cake into slurry, and discharging.

Because the filter cake adheres to filter medium upper end, when utilizing the agitator to scrape the filter cake, the agitator can receive great resistance, consequently the drive arrangement of agitator appears the overload condition easily, can lead to drive arrangement to damage when serious. In the process of scraping the filter cake by the stirrer, the filter can transmit torque to the filter medium through the filter cake, and when the torque to which the filter medium is subjected is large, the filter medium is easy to damage. This is easily the case on filter media with filter cloth. In the process of scraping the filter cake by the stirrer, the filter cloth is easily torn.

Disclosure of Invention

The utility model aims to solve the technical problems that in the process of scraping and dispersing a filter cake, the stirrer can reduce the torque transmitted to a filter medium, can effectively protect the filter medium and can improve the efficiency of preparing the filter cake into slurry.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model provides a filter equipment, includes the jar body, installs the material pipe on the jar body, and the exit tube is installed to jar body lower extreme, installs into the pipe on the jar body lateral wall, and jar body upper end is provided with the main shaft, and the main shaft lower extreme extends to jar internally, and main shaft and jar body upper end movable sealing connection, main shaft allow rotate and follow jar axial direction motion of body, jar body upper end are fixed with drive arrangement, and jar internal main shaft lower extreme is fixed with the stirring subassembly, and filter media is installed in the jar body of stirring subassembly below.

The stirring assembly comprises a turntable fixed at the lower end of the main shaft, a plurality of lower stirring pieces are uniformly distributed and fixed on the circumference of the lower end of the turntable, each lower stirring piece comprises a plurality of connecting plates, each lower end of each connecting plate is fixedly provided with a blade, each lower end of each blade is provided with a plurality of rectangular grooves, each rectangular groove is internally provided with a rotating plate, each rotating plate is obliquely arranged, one end of each rotating plate, far away from the axis of the turntable, extends to the outer side of each rectangular groove, one end of each rotating plate, close to the axis of the turntable, is connected with each blade through a rotating shaft, and the axis of each rotating shaft is parallel to the axis of the main shaft.

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

1. according to the utility model, the rectangular grooves are formed in the lower ends of the blades, and the rotating plates which can only rotate in one direction are rotationally connected in the rectangular grooves, so that the rotating plates can rotate when the blades rotate clockwise along with the rotary table and scrape and disperse filter cakes on the filter medium. At this time, only the blade parts at two sides of the rectangular groove scrape and disperse the filter cake, and the resistance is small in the process of blade rotation, so that the overload of a driving device for driving the main shaft can be avoided.

2. When the blades rotate clockwise along with the rotary table and scrape and disperse filter cakes on the filter media, the filter cakes can be prevented from transmitting larger torque to the filter cloth of the filter media, the filter cloth can be prevented from being torn, and the service life of the filter cloth is prolonged.

3. When the blades rotate anticlockwise along with the turntable and stir the solid-liquid mixture in the tank body, the rotating plate cannot rotate and block the rectangular groove. At this time, the shearing force on the solid-liquid mixture can be ensured in the rotation process of the blades.

Drawings

Fig. 1 is a cross-sectional view of the present utility model.

Fig. 2 is a schematic view of a blade.

The names of the parts in the drawings are as follows:

1. base seat

2. Tank body

3. Pipe feeding

4. Material pipe

5. Calandria tube

6. Manhole (manhole)

7. Filter medium

8. Main shaft

9. Lower support

10. Driving device

11. Oil cylinder

12. Upper bracket

13. Corrugated pipe sleeve

14. Turntable

15. Connecting plate

16. Blade

17. Rectangular groove

18. Rotating plate

19. Rotating shaft

20. Hydraulic station

21. Electric control cabinet

22. And (5) exiting the pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-2, a filtering apparatus includes a tank 2, and a lower end of the tank 2 is fixed to an upper end of a base 1. The material pipe 4 is arranged on the tank body 2, the exit pipe 22 is arranged at the lower end of the tank body 2, and the inlet pipe 3 is arranged on the side wall of the tank body 2. A calandria 5 is arranged on the side wall of the tank body 2 above the filter medium 7, and a blank plate is detachably, fixedly and hermetically connected on the calandria 5. And a manhole 6 is arranged on the tank body 2, and the manhole 6 is plugged by a sealing plate.

The upper end of the tank body 2 is provided with a main shaft 8, the lower end of the main shaft 8 extends into the tank body 2, and the main shaft 8 in the tank body 2 is sleeved with a corrugated pipe sleeve 13. The bellows sleeve 13 can protect the main shaft 8 in the tank 2 from corrosion. The main shaft 8 is movably and hermetically connected with the upper end of the tank body 2, and the main shaft 8 allows rotation and moves along the axial direction of the tank body 2. A driving device 10 is fixed at the upper end of the tank body 2. The lower end of a main shaft 8 in the tank body 2 is fixed with a stirring assembly, and a filter medium 7 is arranged in the tank body 2 below the stirring assembly.

The filter medium 7 comprises a filter plate, wherein the filter plate is a porous plate, and filter cloth is fixed at the upper end of the filter plate. The filter plate is made of 10mm thick S30508 stainless steel, and is formed by splitting and assembling a plurality of filter plates. The filter plate is fixed on the tank body 2 by bolts, and the filter aperture of the filter plate is phi 14. The filter cloth is laid on the upper end of the filter plate, and the filter cloth is fixed on the filter plate by adopting a compression ring after 4 mm.

The stirring assembly comprises a rotary table 14 fixed at the lower end of a main shaft 8, a plurality of lower stirring pieces are uniformly distributed and fixed on the circumference of the lower end of the rotary table 14, each lower stirring piece comprises a plurality of connecting plates 15, blades 16 are fixed at the lower ends of the connecting plates 15, a plurality of rectangular grooves 17 are formed in the lower ends of the blades 16, a rotary plate 18 is arranged in each rectangular groove 17, the rotary plate 18 is obliquely arranged, one end, far away from the axis of the rotary table 14, of the rotary plate 18 extends to the outer side of each rectangular groove 17, one end, close to the axis of the rotary table 14, of the rotary plate 18 is rotationally connected with the corresponding blade 16 through a rotary shaft 19, and the axis of the rotary shaft 19 is parallel to the axis of the main shaft 8. The rotating plate 18 is allowed to rotate in the rectangular groove 17 during clockwise rotation of the rotor disk 14 with the blades 16. In the process that the turntable 14 drives the blades 16 to rotate anticlockwise, under the blocking effect of the blades 16 on the rotating plate 18, the rotating plate 18 cannot rotate in the rectangular groove 17 and block the rectangular groove 17.

Through set up rectangular channel 17 in the blade 16 lower extreme to rotating plate 18 that can only carry out unidirectional rotation in rectangular channel 17 swivelling joint, blade 16 rotates clockwise along with carousel 14 and scrapes the dispersion to the filter cake on the filter medium 7, under the blocking effect of filter cake, rotating plate 18 can take place the rotation. At this time, only the blade 16 portions on both sides of the rectangular groove 17 can scrape and disperse the cake, and the resistance in the process of rotating the blade 16 is small, so that overload of the driving device 10 for driving the main shaft 8 can be avoided. When the blades 16 rotate clockwise along with the rotary table 14 and scrape and disperse the filter cake on the filter medium 7, the filter cake can be prevented from transmitting larger torque to the filter cloth of the filter medium 7, the filter cloth can be prevented from being torn, and the service life of the filter cloth is prolonged.

The driving device 10 comprises a lower support 9 fixed at the upper end of the tank body 2, a main shaft 8 penetrates through the lower support 9, a speed reducer is fixed on the lower support 9, the main shaft 8 penetrates through an output shaft of the speed reducer, the main shaft 8 is in spline connection with the output shaft of the speed reducer, a motor is fixed on the speed reducer, the output shaft of the motor is fixedly connected with the output shaft of the speed reducer, an upper support 12 is arranged above the lower support 9, the upper support 12 and the lower support 9 are in sliding connection in the vertical direction, the main shaft 8 is in rotary connection with the upper support 12, a cylinder body of the oil cylinder 11 is fixedly connected with the lower support 9, a telescopic rod of the oil cylinder 11 is fixedly connected with the upper support 12, and the oil cylinder 11 is vertically arranged. The oil cylinder 11 is connected with the hydraulic station 20 through a high-pressure pipeline, and the motor is electrically connected with the electric control cabinet 21.

The oil cylinder 11 is started through the hydraulic station 20, the telescopic rod of the oil cylinder 11 drives the upper bracket 12 to ascend, the stirring assembly can be driven to ascend through the main shaft 8 in the ascending process of the upper bracket 12, and after the motor is started, the main shaft 8 and the stirring assembly are driven to rotate through the speed reducer by the motor.

The solid-liquid mixture is added into the tank body 2 through the material pipe 4, then the oil cylinder 11 is started, the stirring assembly descends in the tank body 2 and is close to the filter medium 7, the motor is started, the stirring assembly rotates, and at the moment, filtrate can be discharged through the outlet pipe 22 after passing through the filter medium 7. By stirring with the stirring member, the solids in the solid-liquid mixture can be prevented from rapidly precipitating in the filter medium 7. After a significant amount of filtrate has passed, the stirring assembly may be lifted for rotational stirring, allowing more thorough filtration. When the filtrate is discharged slowly, the stirring assembly is moved to the highest point, the motor is turned off, and high-pressure air is introduced into the tank body 2 for pressure filtration. After the press filtration is completed, the stirring assembly is enabled to move downwards, and then the stirring assembly is enabled to rotate clockwise, and the blade 16 of the stirring assembly is utilized to scrape and disperse the filter cake above the filter cloth. Then the washing liquid is filled into the tank body 2 through the inlet pipe 3, the washing liquid forms slurry with the filter cake under the rotation action of the stirring assembly, and the slurry can be discharged from the discharge pipe 5 by opening the blank plate.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (8)

1. The utility model provides a filter equipment, including jar body (2), install material pipe (4) on jar body (2), exit tube (22) are installed to jar body (2) lower extreme, install into tub (3) on jar body (2) lateral wall, a serial communication port, jar body (2) upper end is provided with main shaft (8), main shaft (8) lower extreme extends to jar body (2) in, main shaft (8) and jar body (2) upper end movable seal connection, main shaft (8) allow to rotate and follow jar body (2) axial direction motion, jar body (2) upper end is fixed with drive arrangement (10), main shaft (8) lower extreme in jar body (2) is fixed with stirring subassembly, install filter medium (7) in jar body (2) of stirring subassembly below, stirring subassembly is including carousel (14) of fixing at main shaft (8) lower extreme, carousel (14) lower extreme circumference is fixed with a plurality of lower stirring piece, lower stirring piece includes a plurality of connecting plates (15), connecting plate (15) lower extreme is fixed with blade (16), a plurality of rectangular shape groove (17) are seted up to blade (16) lower extreme, rectangular shape groove (17) are set up, rectangular shape groove (17) are kept away from in the axle center (18) and are set up, rectangular shape groove (18) are kept away from in the groove (18), one end of the rotating plate (18) close to the axis of the turntable (14) is rotationally connected with the blades (16) through a rotating shaft (19), and the axis of the rotating shaft (19) is parallel to the axis of the main shaft (8).

2. A filter device according to claim 1, wherein the lower end of the tank (2) is fixed to the upper end of the base (1).

3. The filtering device according to claim 1, wherein the driving device (10) comprises a lower bracket (9) fixed at the upper end of the tank body (2), the main shaft (8) penetrates through the lower bracket (9), a speed reducer is fixed on the lower bracket (9), the main shaft (8) penetrates through an output shaft of the speed reducer, the main shaft (8) is in spline connection with the output shaft of the speed reducer, a motor is fixed on the speed reducer, the output shaft of the motor is fixedly connected with the output shaft of the speed reducer, an upper bracket (12) is arranged above the lower bracket (9), the upper bracket (12) and the lower bracket (9) are in sliding connection in the vertical direction, the main shaft (8) is rotationally connected with the upper bracket (12), a cylinder body of the oil cylinder (11) is fixedly connected with the lower bracket (9), a telescopic rod of the oil cylinder (11) is fixedly connected with the upper bracket (12), and the oil cylinder (11) is vertically arranged.

4. The filtering device according to claim 1, wherein a drain pipe (5) is mounted on the side wall of the tank body (2) above the filtering medium (7), and a sealing plate is detachably, fixedly and hermetically connected to the drain pipe (5).

5. A filter device according to claim 1, characterized in that the tank (2) is fitted with a manhole (6), the manhole (6) being sealed by a sealing plate.

6. A filter device according to claim 1, characterized in that the filter medium (7) comprises a filter plate, which is a perforated plate, to the upper end of which filter plate a filter cloth is fixed.

7. A filter device according to claim 3, characterized in that the cylinder (11) is connected to the hydraulic station (20) via a high-pressure line, and the motor is electrically connected to the electric control cabinet (21).

8. A filter device according to claim 1, characterized in that the spindle (8) in the tank (2) is provided with a bellows sleeve (13).