CN220176315U

CN220176315U - Graded filter

Info

Publication number: CN220176315U
Application number: CN202321706348.3U
Authority: CN
Inventors: 叶挺朋; 叶挺勇; 张俊; 潘淼森; 朱槐丁
Original assignee: Zhejiang Jinggang Pressure Vessel Co ltd
Current assignee: Zhejiang Jinggang Pressure Vessel Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-12-15
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a graded filter, which comprises a liquid storage tank and a supporting frame, wherein the liquid storage tank is fixedly connected with the supporting frame, the top of the liquid storage tank is provided with a sealing cover, the bottom of the liquid storage tank is provided with a conical surface and is of a funnel structure, a first filter cylinder and a plurality of second filter cylinders are arranged in the liquid storage tank, the diameter of the first filter cylinder is larger than that of the second filter cylinder, the diameters of the second filter cylinders are different, the second filter cylinders and the first filter cylinders are arranged concentrically, the first filter cylinders and the second filter cylinders are provided with first filter holes with the diameters decreasing from outside to inside in sequence, the lower ends of the first filter cylinders and the second filter cylinders are matched with the conical surface of the liquid storage tank, and a shielding cylinder is rotatably arranged on the inner wall of the second filter cylinder and provided with second filter holes corresponding to the first filter holes on the second filter cylinders.

Description

Graded filter

Technical Field

The utility model discloses a classifying filter, and belongs to the technical field of solid-liquid separation devices.

Background

The filter is an industrial device, generally refers to a device for realizing solid-liquid separation by utilizing porosity, and is widely applied to the departments of chemical industry, petroleum, pharmacy, light industry, food, mineral separation, coal, water treatment and the like, a filter medium is used for dividing a container into an upper cavity and a lower cavity to form a simple filter, suspension is added into the upper cavity, the suspension enters the lower cavity to form filtrate under the action of pressure, and solid particles are trapped on the surface of the filter medium to form filter residues.

Most of the existing filters adopt round containers, and filter plates are added on the inner sides of the existing filters to realize solid-liquid separation, when the filtering precision of liquid needs to be improved, a plurality of filter plates which are distributed in a laminated mode are arranged, but by adopting the method, the filtering efficiency of the filter plates is low, and meanwhile, when the filter plates positioned on the upper layer are easy to block, the filter plates on the lower layer cannot work normally, and the filtering precision of the liquid cannot be well controlled.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a hierarchical filter.

The utility model realizes the purpose through the following technical scheme, the graded filter comprises a liquid storage tank and a supporting frame, wherein the liquid storage tank is fixedly connected with the supporting frame, the top of the liquid storage tank is provided with a sealing cover, the bottom of the liquid storage tank is provided with a conical surface and is of a funnel structure, a first filter cylinder and a plurality of second filter cylinders are arranged in the liquid storage tank, the diameter of the first filter cylinder is larger than that of the second filter cylinder, the diameters of the plurality of second filter cylinders are different, the second filter cylinders and the first filter cylinders are arranged concentrically, the first filter cylinders and the second filter cylinders are provided with first filter holes with the diameters decreasing from outside to inside in sequence, the lower ends of the first filter cylinders and the second filter cylinders are matched with the conical surface of the liquid storage tank, the inner wall of the second filter cylinder is rotatably provided with a shielding cylinder, the upper end of the liquid storage tank is provided with a mounting plate, the mounting plate is provided with a driving piece for driving the first filter cylinder to rotate by a preset angle, the upper end of the liquid storage tank is provided with a liquid inlet pipe, the liquid storage tank corresponds to the first filter cylinder and the second filter cylinder is provided with a second liquid draining pipe, the bottom of the liquid storage tank is provided with a liquid draining center pipe, and the liquid draining pipe is arranged between the first filter cylinder and the second filter cylinder.

Preferably, the driving piece comprises a rack, arc teeth, a first limit bolt, a pressing strip and a positioning piece, the pressing strip is fixed on the mounting plate, the second filter cylinder is provided with an arc protrusion penetrating through the mounting plate, the arc teeth are fixed on the arc protrusion, the rack is located between the pressing strip and the arc teeth, one end of the first limit bolt is located on the outer side of the sealing cover, the other end of the first limit bolt penetrates through the sealing cover and is fixedly connected with the first limit bolt, a sliding groove for the arc protrusion to slide is formed in the mounting plate, and the positioning piece is installed on the pressing strip and is used for the sliding distance of the rack.

Preferably, the locating piece comprises a second limit bolt, a limit column and a spring, wherein the limit column and the pressing strip are arranged in a sliding mode, one end of the second limit bolt penetrates through the pressing strip and then is fixedly connected with the limit column, two ends of the spring are respectively abutted to the limit column and the pressing strip, two wave point grooves are formed in the rack, and one end of the limit column is of a hemispherical structure.

Preferably, the lower end of the second filter cartridge is provided with an annular groove, and the lower end of the shielding cartridge is positioned in the annular groove.

Preferably, flanges are arranged at the upper ends of the first filter cartridge and the second filter cartridge, and the flanges are fixed on the mounting plate in an embedded manner through bolts.

Preferably, the second filter cartridge and the shielding cartridge are all provided with three, the first fluid-discharge tube is equiangular symmetry and is provided with three, and the axis of first fluid-discharge tube sets up perpendicularly with the conical surface of liquid storage pot.

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

through setting up first cartridge filter, second cartridge filter, shelter from section of thick bamboo and driving piece, through promoting first stop bolt for shelter from section of thick bamboo and second cartridge filter and take place relative rotation, make first filtration pore and second filtration pore coincidence or dislocation, so the liquid circulation state of steerable second cartridge filter not only can reach hierarchical filterable effect, the filterable precision of control liquid that simultaneously can also be selective.

Drawings

FIG. 1 is a schematic diagram of a hierarchical filter according to the present utility model;

FIG. 2 is a schematic view showing the internal structure of a classifying filter according to the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic view of the structure of the mounting plate and the limiting member according to the present utility model;

FIG. 5 is a schematic view of the shielding cylinder and the limiting member in the present utility model;

FIG. 6 is a partial enlarged view at B in FIG. 5;

fig. 7 is a schematic view showing a structure of a second filter cartridge according to the present utility model;

reference numerals: 1. a support frame; 2. a liquid storage tank; 3. sealing cover; 4. a first liquid discharge pipe; 5. a second liquid discharge pipe; 6. a liquid inlet pipe; 7. a driving member; 8. a mounting plate; 9. a first filter cartridge; 10. a second filter cartridge; 11. a shielding cylinder; 12. an annular groove; 13. a second filter aperture; 14. a first filter aperture; 15. a rack; 16. a first limit bolt; 17. arc teeth; 18. a chute; 19. pressing strips; 20. arc-shaped bulges; 21. a wave point groove; 22. a limit column; 23. the second limit bolt; 24. a spring; 25. and a flange.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-7, a graded filter comprises a liquid storage tank 2 and a supporting frame 1, wherein the liquid storage tank 2 is fixedly connected with the supporting frame 1, a sealing cover 3 is arranged at the top of the liquid storage tank 2, a conical surface is arranged at the bottom of the sealing cover, the sealing cover is of a funnel structure, a first filter cartridge 9 and a plurality of second filter cartridges 10 are arranged in the liquid storage tank 2, the diameter of the first filter cartridge 9 is larger than that of the second filter cartridge 10, the diameters of the plurality of second filter cartridges 10 are different, the second filter cartridges 10 and the first filter cartridges 9 are concentrically arranged, first filter holes 14 with the diameters decreasing from outside to inside are arranged on the first filter cartridges 9 and the second filter cartridges 10, the lower ends of the first filter cartridges 9 and the second filter cartridges 10 are matched with the conical surface of the liquid storage tank 2, a shielding cylinder 11 is rotatably arranged on the inner wall of the second filter cartridge 10, a mounting plate 8 is arranged at the upper end of the liquid storage tank 2, a driving piece 7 for driving the shielding cylinder 11 to rotate by a preset angle is arranged on the mounting plate 8, a liquid inlet pipe 6 is arranged at the upper end of the liquid storage tank 2, and a liquid drain pipe 4 is arranged between the first filter cartridge 9 and the second filter cartridge 10.

The driving piece 7 comprises a rack 15, an arc tooth 17, a first limit bolt 16, a pressing strip 19 and a positioning piece, wherein the pressing strip 19 is fixed on the mounting plate 8, an arc protrusion 20 penetrating through the mounting plate 8 is arranged on the second filter cartridge 10, the arc tooth 17 is fixed on the arc protrusion 20, the rack 15 is positioned between the pressing strip 19 and the arc tooth 17, one end of the first limit bolt 16 is positioned at the outer side of the sealing cover 3, the other end of the first limit bolt 16 penetrates through the sealing cover 3 and is fixedly connected with the first limit bolt 16, a sliding groove 18 for the arc protrusion 20 to slide is arranged on the mounting plate 8, the positioning piece is arranged on the pressing strip 19 and is used for controlling the sliding distance of the rack 15, the rack 15 is enabled to slide along the pressing strip 19 in an oriented manner through pressing the first limit bolt 16, the arc tooth 17 is meshed with the rack 15 to rotate a certain angle relative to the second filter cartridge 10, the arc protrusion 20 slides in the sliding groove 18, and the positioning piece can position the sliding distance of the rack 15, so that the second filter hole 13 on the shielding cartridge 11 is overlapped with the first filter hole 14 on the second filter cartridge 10 or misplaced, and the liquid circulation state of the second filter cartridge 10 can be controlled.

The locating piece includes second spacing bolt 23, spacing post 22 and spring 24, spacing post 22 and layering 19 slip setting, spacing post 22 and layering 19 back and spacing post 22 fixed connection are passed to the one end of second spacing bolt 23, the both ends of spring 24 are contradicted with spacing post 22 and layering 19 respectively, be provided with two wave point grooves 21 on the rack 15, the one end of spacing post 22 is hemispherical structure, spring 24 applys certain effort to spacing post 22, make the one end embedding wave point groove 21 of spacing post 22, so can make meshing transmission have certain resistance between arc tooth 17 and the rack 15, thereby make shelter from a section of thick bamboo 11 and second cartridge filter 10 can keep relatively fixed, in order to conveniently adjust the circulation state of second cartridge filter 10, the lower extreme of second cartridge filter 10 is provided with annular groove 12, shelter from the lower extreme of section of thick bamboo 11 and be located annular groove 12, annular groove 12 can support shelter from the lower extreme of a section of thick bamboo 11, thereby avoid shelter from a section of thick bamboo 11 and take place the deformation when receiving liquid impact, the upper end of first cartridge filter 9 and second cartridge filter 10 is provided with stock solution flange 25, make sure that the meshing transmission has certain resistance between arc tooth 17 and the rack 15, thereby make shelter from a section of thick bamboo 11 and second cartridge filter 10 can keep out liquid drain the first cartridge 10 and the first filter tube and third cartridge filter tube setting up the equal angle with the axial line of symmetry 10 through the bolt, the mounting plate 8, thereby the filter cartridge filter cylinder is provided with the third filter drain pipe 2.

Working principle: when the liquid to be filtered is added into the liquid storage tank 2 from the liquid inlet pipe 6, the liquid can be subjected to primary filtration after passing through the first filter cartridge 9, when the filtration precision meets the requirement, the first filter holes 14 on the outermost second filter cartridge 10 and the second filter holes 13 on the shielding cylinder 11 are kept in a staggered state, the filtered liquid can be discharged from one of the first liquid discharge pipes 4, and when the liquid is required to be subjected to secondary or multistage filtration, the first filter holes 14 on the second filter cartridge 10 and the second filter holes 13 on the shielding cylinder 11 are in a superposed state by pressing the first limit bolts 16, and the liquid can pass through the first filter holes 14 with different diameters on the second filter cartridge 10, so that the filtration is finished, and finally the liquid is discharged from the first liquid discharge pipe 4 or the second liquid discharge pipe 5.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a hierarchical filter, includes liquid storage pot (2) and support frame (1), a serial communication port, liquid storage pot (2) and support frame (1) fixed connection, and the top of liquid storage pot (2) is provided with sealed lid (3), and its bottom has the conical surface and is the funnel structure, be provided with first cartridge filter (9) and a plurality of second cartridge filter (10) in liquid storage pot (2), the diameter of first cartridge filter (9) is greater than the diameter of second cartridge filter (10), a plurality of the diameter of second cartridge filter (10) is different, and second cartridge filter (10) and first cartridge filter (9) are according to concentric setting, first cartridge filter (9) and second cartridge filter (10) are gone up to have first filtration pore (14) that reduce in proper order from outside to inside diameter, and the conical surface cooperation of both lower extreme and liquid storage pot (2), the inner wall rotation of second cartridge filter (10) is provided with section of thick bamboo (11), be provided with on cartridge filter (11) and shelter from first filtration pore (14) on second cartridge filter (10) position corresponding to shelter from top of second cartridge filter (10) and shelter from top of the first cartridge filter (14) and shelter from top of the first cartridge filter (8) have on cartridge filter (8) and shelter from top of the mounting panel (8) set up in advance angle setting up on mounting panel (8), and the liquid storage tank (2) is provided with a first liquid discharge pipe (4) corresponding to the position between the first filter cartridge (9) and the second filter cartridges (10) and between the two second filter cartridges (10), and the bottom center of the liquid storage tank (2) is provided with a second liquid discharge pipe (5).

2. The classifying filter according to claim 1, wherein the driving member (7) comprises a rack (15), arc teeth (17), a first limit bolt (16), a pressing bar (19) and a positioning member, the pressing bar (19) is fixed on the mounting plate (8), the arc-shaped protrusion (20) penetrating through the mounting plate (8) is arranged on the second filter cartridge (10), the arc teeth (17) are fixed on the arc-shaped protrusion (20), the rack (15) is located between the pressing bar (19) and the arc teeth (17), one end of the first limit bolt (16) is located on the outer side of the sealing cover (3), the other end of the first limit bolt (16) is fixedly connected with the first limit bolt (16) after penetrating through the sealing cover (3), a sliding groove (18) for the arc-shaped protrusion (20) to slide is arranged on the mounting plate (8), and the positioning member is arranged on the pressing bar (19) and is used for the sliding distance of the rack (15).

3. The grading filter according to claim 2, characterized in that the positioning piece comprises a second limit bolt (23), a limit column (22) and a spring (24), the limit column (22) and the pressing strip (19) are arranged in a sliding mode, one end of the second limit bolt (23) penetrates through the pressing strip (19) and then is fixedly connected with the limit column (22), two ends of the spring (24) respectively collide with the limit column (22) and the pressing strip (19), two wave point grooves (21) are formed in the rack (15), and one end of the limit column (22) is of a hemispherical structure.

4. A graded filter according to claim 1, wherein the lower end of the second filter cartridge (10) is provided with an annular recess (12), and the lower end of the shielding cartridge (11) is located in the annular recess (12).

5. A graded filter according to claim 1, wherein the upper ends of the first filter cartridge (9) and the second filter cartridge (10) are provided with flanges (25), said flanges (25) being fastened to the mounting plate (8) by means of bolts.

6. A graded filter according to claim 1, wherein the second filter cartridge (10) and the shielding cartridge (11) are three, the first drain pipe (4) is symmetrically arranged at equal angles, and the axis of the first drain pipe (4) is perpendicular to the conical surface of the liquid storage tank (2).