CN114082243A

CN114082243A - Rotary belt filter

Info

Publication number: CN114082243A
Application number: CN202111571242.2A
Authority: CN
Inventors: 李小玲; 陈一
Original assignee: Shanghai Fuchan Machinery Technology Co ltd
Current assignee: Shanghai Fuchan Machinery Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-02-25

Abstract

The invention discloses a rotary belt filter, which comprises a closed cover, wherein the closed cover comprises a box body and a water inlet, wherein one side of the box body is provided with a trash discharge port, and the water inlet is formed in one side of the box body; the drive roll, pass through the motor with helical blade and drive and clockwise rotation, mixed liquid when the inside interpolation of box this moment is under the effect of V template, make solution stay in the top of V template, the direction flow of water guide plate when arriving the front end of first U template, suspended solid in the liquid carries out the throttle through the filter mesh belt of continuous rotation and filters, the solid is held back on the filter mesh belt, when reacing the top, make solid particle drop to inside the second U template under the effect of natural gravity, discharge from trash discharge port through clockwise pivoted helical blade, wash the filter mesh belt through the air knife of filter mesh belt bottom, after the filter mesh belt washs the piece and washs, can use repeatedly, and need not to shut down and realize solid-liquid separation, and wash the filter mesh belt, and improve filtration efficiency.

Description

Rotary belt filter

Technical Field

The invention relates to the field of filters, in particular to a rotary belt type filter.

Background

The filter is a device for realizing solid-liquid separation by utilizing a porous filter. The filter is applied to chemical, petroleum, pharmacy, light industry, food, ore dressing, coal and water treatment and other departments. The filter is a novel filtering system, has novel structure, small volume, simple, convenient and flexible operation, high efficiency and sealed work, and is multipurpose filtering equipment with strong applicability.

The solid-liquid separation is realized through fixed filter to current filter structure when separating solid-liquid, and then need clear up the solid of filter top after long-time the use, and can lead to the filter to block up after long-time the filtration, consequently need take out and carry out solitary clearance, needs equipment to shut down during the clearance, and then has increased the filter effect of filter.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a rotary belt type filter, suspended matters in liquid are subjected to throttling filtration through a continuously rotating mesh belt, solid matters are intercepted on the mesh belt and scraped out through a scraping system, and the mesh belt can be used repeatedly after being cleaned through an air-water cleaning system.

In order to solve the technical problems, the invention provides the following technical scheme: a rotary belt filter comprises a closed cover, wherein the closed cover comprises a box body with a trash discharge port on one side and a water inlet arranged on one side of the box body; a cleaning and filtering system is arranged in the box body;

wash filtration system including install inside the box through the roller set transmission connect be L type structure and surface set up a plurality of filtration pore filter mesh belt, filter mesh belt is close to water inlet one side and is the horizontal structure for incline structure and upper end, install under the filter mesh belt and be the V template that the V structure was set for between the box seal structure, V template upper end is connected with the first U template that the outlet was seted up to the bottom, and installs the second U template for the first U template other end, the coaxial rotatable helical blade that is provided with of second U template, the inboard fixed mounting in second U template top has the filter screen cleaning piece to filter mesh belt bottom washing, first U template riser is close to V template one side and is less than the opposite side.

As a preferred technical scheme of the invention, the roller set comprises driving rollers arranged at two ends of the inner side of the filter mesh belt and two correcting rollers arranged between the two driving rollers of the filter mesh belt, and motors are arranged on the driving rollers and the sides of the spiral blades far away from the impurity discharging port.

As a preferred technical scheme of the invention, the bottom of the first U-shaped plate is provided with a filter plate, and two sides of the bottom of the filter plate are provided with water guide plates.

As a preferable technical solution of the present invention, the screen cleaning member includes an air knife disposed between a lower surface of the screen belt and the second U-shaped plate.

As a preferred technical scheme of the invention, the L-shaped structure of the filter mesh belt comprises a solid-liquid separation section and a comprehensive sludge concentration section, the solid-liquid separation section is obliquely arranged from bottom to top along the material transportation direction, and the comprehensive sludge concentration section is connected with the upper end of the solid-liquid separation section and is horizontally arranged.

Compared with the prior art, the invention can achieve the following beneficial effects:

1. adding a solid-liquid mixture into the interior of the box body through the water inlet, driving the driving roller and the helical blade to rotate clockwise through the drive of the motor, enabling the solution to be retained above the V-shaped plates under the action of the V-shaped plates when the mixed solution added into the box body flows towards the direction of the water guide plate when the mixed solution reaches the front end of the first U-shaped plate, throttling and filtering suspended matters in the liquid through the continuously rotating filter mesh belt, enabling the solid matters to be retained on the filter mesh belt and to flow into the second U-shaped plate under the action of natural gravity when the solid matters reach the uppermost end, discharging the solid matters from the impurity discharging port through the helical blade rotating clockwise, cleaning the filter mesh belt through the air knife at the bottom of the filter mesh belt, enabling the filter mesh belt to be used repeatedly after being cleaned by the filter screen cleaning part, realizing solid-liquid separation without stopping, and cleaning the filter mesh belt, the filtering efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of a filter belt and roller set configuration of the present invention;

fig. 4 is a front view of the structure of fig. 2.

Wherein:

1. a closure cap; 11. a box body; 12. a water inlet;

2. cleaning the filtering system; 21. a filter mesh belt; 211. a filtration pore; 22. a roller set; 221. a drive roll; 222. a correcting roller; 23. a V-shaped plate; 24. a first U-shaped plate; 241. a filter plate; 25. a water guide plate; 26. a second U-shaped plate; 27. a helical blade; 28. a filter screen cleaning member; 281. an air knife.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in figures 1-4, the invention provides a rotary belt filter, which comprises a closed cover 1, wherein the closed cover 1 comprises a box body 11 with a trash discharge port on one side and a water inlet 12 arranged on one side of the box body 11; a cleaning and filtering system 2 is arranged in the box body 11; wash filtration system 2 including installing the filter mesh belt 21 that is L type structure and the surface has seted up a plurality of filtration pores 211 inside being connected through the transmission of roller group 22 at box 11, filter mesh belt 21 is close to water inlet 12 one side and is the horizontal structure for incline structure and upper end, install under filter mesh belt 21 and be the V template 23 that the V structure set for with seal structure between the box 11, V template 23 upper end is connected with the first U template 24 that the outlet was seted up to the bottom, and second U template 26 is installed to the first U template 24 other end, second U template 26 is coaxial to be provided with rotatable helical blade 27, the inboard fixed mounting in second U template 26 top has the abluent filter screen cleaning member 28 in filter mesh belt 21 bottom, first U template 24 riser is less than the opposite side near V template 23 one side.

When in use, a solid-liquid mixture is added into the box body 11 through the water inlet 12, the driving roller 221 and the helical blade 27 are driven by a motor (not shown in the figure) and rotate clockwise, at this time, when the mixed liquid added into the box body 11 is under the action of the V-shaped plates 23, the solution is retained above the V-shaped plates 23 and flows towards the water guide plate 25 when reaching the front end of the first U-shaped plate 24, suspended matters in the liquid are subjected to throttling filtration through the continuously rotating filter mesh belt 21, the solid matters are retained on the filter mesh belt 21 and reach the uppermost end, the solid particles are caused to fall into the second U-shaped plate 26 under the action of natural gravity, and are discharged from a trash discharge port through the helical blade 27 rotating clockwise, meanwhile, the filter mesh belt 21 is cleaned through the air knife 281 at the bottom of the filter mesh belt 21, and the filter mesh belt 21 is cleaned through the filter screen cleaning part 28, can be used repeatedly, does not need to be stopped to realize solid-liquid separation, and cleans the filter mesh belt 21, thereby improving the filtering efficiency.

In other embodiments, the roller set 22 includes a driving roller 221 disposed at both ends of the inner side of the filter mesh belt 21, and two correcting rollers 222 disposed between the two driving rollers 221 of the filter mesh belt 21, and the driving rollers 221 and the helical blades 27 are installed with a motor on the side away from the trash discharging opening.

Under the drive of motor through one side drive roll 221 and helical blade 27 for filter mesh belt 21 and helical blade 27 clockwise rotate, and then realize filter mesh belt 21's circulation and rotate, make the granule circulation separation of upper surface, and through correcting roller 222, make filter mesh belt 21 upper end be horizontal structure, the transport of the solid particle of being convenient for.

In other embodiments, the filter plate 241 is installed at the bottom of the first U-shaped plate 24, and the water guide plates 25 are installed at two sides of the bottom of the filter plate 241, the filter plate 241 installed at the bottom of the first U-shaped plate 24 performs secondary filtration on the solution overflowing into the first U-shaped plate 24, and the water guide plates 25 guide the flow direction of the outlet solution.

In other embodiments, the screen cleaning member 28 includes an air knife 281 disposed between the lower surface of the screen belt 21 and the second U-shaped plate 26, and the air knife 281 is powered on to clean the bottom of the screen belt 21 without stopping the machine for cleaning, thereby improving the production efficiency.

The air knife 281 operates on the same principle as is known to those skilled in the art: compressed air enters the air knife high pressure chamber through the air inlet, and the air flow passes through a narrow and thin nozzle to form a uniform air flow sheet in the length direction of the air knife 281. Since the compression ratio of the chamber to the high pressure gas stream is 40: 1, so that the air flow velocity loss is minimized and the pressure is maximized, thus creating an air flow sheet with strong impact force and minimal shear force.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A rotary belt filter comprising a closed cover (1), characterized in that: the closed cover (1) comprises a box body (11) with a miscellaneous discharge opening on one side, and a box body (11) opened on one side. ) a water inlet (12) on one side; a cleaning and filtering system (2) is installed inside the box (11);

The cleaning and filtering system (2) comprises an L-shaped filter belt (21) installed inside the box body (11) and connected by a roller set (22) and having a plurality of filter holes (211) on the surface, The filter mesh belt (21) has an inclined structure on the side close to the water inlet (12) and a horizontal structure at the upper end, and a sealing structure between the filter mesh belt (21) and the box body (11) is installed in a V structure directly below the filter mesh belt (21). The set V-shaped plate (23), the upper end of the V-shaped plate (23) is connected with a first U-shaped plate (24) with a drain opening at the bottom, and the other end of the first U-shaped plate (24) is installed with a first U-shaped plate (24). Two U-shaped plates (26), the second U-shaped plates (26) are coaxially provided with rotatable helical blades (27), and a pair of filter mesh belts are fixedly installed on the upper and inner sides of the second U-shaped plates (26). (21) A filter screen cleaning member (28) for cleaning at the bottom, one side of the vertical plate of the first U-shaped plate (24) close to the V-shaped plate (23) is lower than the other side.

2. A rotary belt filter according to claim 1, characterized in that: the roller set (22) comprises driving rollers (221) arranged at both ends of the inner side of the filter mesh belt (21), The two correcting rollers (222) between the two driving rollers (221) of the filter mesh belt (21) are provided with motors on the side of the driving rollers (221) and the helical blades (27) away from the waste discharge port.

3. A rotary belt filter according to claim 1, characterized in that: a filter plate (241) is installed at the bottom of the first U-shaped plate (24), and the filter plate (241) is installed on both sides of the bottom There are water deflectors (25).

4. A rotary belt filter according to claim 1, characterized in that: the filter screen cleaning member (28) comprises a second U-shaped plate (26) placed on the lower surface of the filter screen belt (21) and the second U-shaped plate (26). ) between the air knife (281).

5. A rotary belt filter according to claim 1, characterized in that: the L-shaped structure of the filter belt (21) comprises a solid-liquid separation section and a comprehensive sludge concentration section, and the solid-liquid separation The section is inclined from bottom to top along the material transportation direction, and the integrated sludge thickening section is connected to the upper end of the solid-liquid separation section and is set horizontally.