CN219231612U

CN219231612U - Self-cleaning disc filter device

Info

Publication number: CN219231612U
Application number: CN202320099934.XU
Authority: CN
Inventors: 刘冠武; 彭有兴; 钟伙文
Original assignee: Dongguan Huayu Jieming Frp Container Co ltd
Current assignee: Dongguan Huayu Jieming Frp Container Co ltd
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-06-23
Anticipated expiration: 2033-02-02

Abstract

The utility model discloses a self-cleaning disc filter device, comprising: and a filter housing for filtering water. According to the self-cleaning disc type filter device, the filter shell, the filter cover body, the filter mechanism, the back flushing mechanism, the drain pipe, the three-way connector, the drain valve, the water inlet valve and the drain valve are mutually matched, the top plate is pushed by the electric push rod to separate the blockage from the connecting support, the entered sewage is filtered by the filter disc and discharged by the drain pipe below, when the pressure in the pipe is sensed by the external pressure gauge to reach a critical value, the gap of the connecting support is blocked by the blockage, the clean water entering by the drain pipe enters the back flushing pipe through the opening at the bottom of the back flushing pipe, the filter disc is back flushed through the opening at the side surface of the back flushing pipe, and meanwhile, the rotating motor rotates to drive the filter disc to rotate, so that flushing is more comprehensive, and meanwhile, the water flow velocity in the filter bin is accelerated by the rotation of the filter disc, and the cleaning effect is enhanced.

Description

Self-cleaning disc filter device

Technical Field

The utility model relates to the technical field of disc filters, in particular to a self-cleaning disc filter device.

Background

The disc filter is formed by combining filter units in parallel, and the filter units mainly comprise a group of annular reinforced plastic filter discs with grooves or ribs. When in filtration, sewage enters from the outside, and the rims formed by the edges of the grooves on the adjacent filter discs entrap solid matters in the water; during back flushing, water flows from the inside to the outside of the annular filter disc, and dirt trapped on the filter disc is washed down and discharged through the sewage outlet. The discs are tightly compacted and overlapped in the unit, and the grooves in the middle of the upper and lower layers of discs play a role in filtering and intercepting.

In the prior art, the disc filter is only used for back flushing the inside of the device by the impact force of reverse water flow, but the flushing area is not comprehensive enough, and meanwhile, the impact strength of the water flow is not enough to fully clean the filter disc, so that impurity residues are easy to cause, and therefore, a self-cleaning disc filter device is required to be provided.

Disclosure of Invention

The utility model aims to provide a self-cleaning disc filter device to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a self-cleaning disc filter apparatus comprising:

a filter housing for filtering water;

the filtering cover body is used for being matched with the filtering shell to form a closed space, and the filtering cover body is connected with the filtering shell through bolts;

the filtering mechanism is used for filtering the sewage, and the filtering mechanism is arranged in the filtering cover body;

the back flush mechanism is used for back flushing the inside of the filtering shell, the back flush mechanism is arranged in the filtering cover body and is matched with the filtering mechanism for use, the back flush mechanism comprises back flush pipes, the number of the back flush pipes is four, the tops of the back flush pipes are connected through fixing brackets, the four back flush pipes are connected through connecting brackets, the fixing brackets are provided with connecting rods with the inside of the connecting brackets, the bottom of the connecting rods is fixedly connected with a blocking block, the surface of the connecting rods is fixedly connected with a blocking block, the top of the fixing brackets is fixedly connected with the top of the inner wall of the filtering cover body, the top of the connecting rods penetrates through the filtering cover body and is fixedly connected with a top block, the bottom of the top block is fixedly connected with an electric push rod, and the top of the fixing brackets is fixedly connected with the bottom of the filtering cover body through supporting rods.

Preferably, the filter mechanism comprises a mounting top ring, the mounting top ring is arranged in the filter cover body, a mounting bottom ring is arranged in the filter cover body, a plurality of filter discs penetrate through connecting strips between the mounting top ring and the mounting bottom ring, a toothed ring is fixedly connected to the surface of the mounting top ring, a rotating motor is fixedly connected to the top of the filter cover body, an output shaft at the bottom of the rotating motor penetrates through the filter cover body and is fixedly connected with a driving gear, and the driving gear is meshed with the toothed ring.

Preferably, the bottom fixedly connected with drain pipe of filtering the casing, the right side fixedly connected with three-way joint of filtering the casing, the below fixedly connected with drain valve of drain pipe, the right side fixedly connected with water intaking valve of three-way joint, the bottom fixedly connected with blowoff valve of three-way joint.

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

1. according to the self-cleaning disc type filter device, the filter shell, the filter cover body, the filter mechanism, the back flushing mechanism, the drain pipe, the three-way connector, the drain valve, the water inlet valve and the drain valve are mutually matched, the top plate is pushed by the electric push rod to separate the blockage from the connecting support, the water inlet valve is opened, the entered sewage is filtered by the filter disc and discharged by the drain pipe below, when the pressure in the pipe reaches a critical value, the back flushing device is controlled to be opened by the external controller, the gap of the connecting support is blocked by the blockage, clean water entering the drain pipe enters the back flushing pipe through the opening at the bottom of the back flushing pipe, the filter disc is back flushed through the opening at the side surface of the back flushing pipe, and meanwhile, the filter disc is driven to rotate by the rotation of the rotating motor, so that the flushing is more comprehensive, and meanwhile, the water flow velocity in the filter bin is accelerated by the rotation of the filter disc, and the cleaning effect is enhanced.

2. According to the utility model, through the separated design of the filter shell and the filter cover body, the maintenance and replacement of all parts in the filter are facilitated, and the filter disc is conveniently fixed through the connecting strip arranged between the mounting top ring and the mounting bottom ring, so that the filter disc is prevented from shifting in the using and rotating processes, and damage caused by collision between the filter discs is avoided, thereby influencing the filtering effect.

Drawings

FIG. 1 is a cross-sectional view of a front view of the present utility model;

fig. 2 is a schematic top view of the connecting bracket of the present utility model.

In the figure: the filter comprises a filter shell 1, a filter cover 2, a filter mechanism 3, a filter disc 301, a filter bottom 302, a filter disc 303, a toothed ring 304, a rotary motor 305, a driving gear 306, a back flushing mechanism 4, a back flushing pipe 401, a fixing support 402, a connecting support 403, a connecting rod 404, a blocking block 405, a blocking block 406, a top block 407, an electric push rod 408, a supporting rod 409, a water drain pipe 5, a three-way joint 6, a water drain valve 7, a water inlet valve 8 and a drain valve 9.

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.

Referring to fig. 1-2, a self-cleaning disc filter apparatus comprising:

a filter housing 1 for filtering water.

The filtering cover body 2 is used for being matched with the filtering shell body 1 to form a closed space, the filtering cover body 2 is connected with the filtering shell body 1 through bolts, and the filtering shell body 1 and the filtering cover body 2 are designed in a separated mode, so that maintenance and replacement of all parts in the filtering shell body are facilitated.

The filtering mechanism 3 is used for filtering sewage, the filtering mechanism 3 is arranged in the filtering cover body 2, the filtering mechanism 3 comprises a mounting top ring 301, the mounting top ring 301 is arranged in the filtering cover body 2, a mounting bottom ring 302 is arranged in the filtering cover body 1, the mounting top ring 301 and the mounting bottom ring 302 penetrate through a plurality of filtering discs 303 through connecting strips, the filtering discs 303 are convenient to fix, the filtering discs 303 are prevented from shifting in the using and rotating process, damage caused by collision between the filtering discs 303 is avoided, the filtering effect is affected, the surface of the mounting top ring 301 is fixedly connected with a toothed ring 304, the top of the filtering cover body 2 is fixedly connected with a rotating motor 305, an output shaft at the bottom of the rotating motor 305 penetrates through the filtering cover body 2 and is fixedly connected with a driving gear 306, and the driving gear 306 is meshed with the toothed ring 304.

The back flush mechanism 4 is used for back flushing the inside of the filtering shell 1, the back flush mechanism 4 is arranged in the filtering cover 2 and is matched with the filtering mechanism 3 for use, the back flush mechanism 4 comprises back flush pipes 401, the number of the back flush pipes 401 is four, the tops of the back flush pipes are connected through fixing brackets 402, the four back flush pipes 401 are connected through connecting brackets 403, the fixing brackets 402 are provided with connecting rods 404 in the connecting brackets 403, the bottoms of the connecting rods 404 are fixedly connected with blocking blocks 405, the surfaces of the connecting rods 404 are fixedly connected with blocking 406, the tops of the fixing brackets 402 are fixedly connected with the tops of the inner walls of the filtering cover 2, the tops of the connecting rods 404 penetrate through the filtering cover 2 and are fixedly connected with top blocks 407, the bottoms of the top blocks 407 are fixedly connected with electric push rods 408, the bottoms of the filtering shell 1 are fixedly connected with drain pipes 5, the right side of the filtering shell 1 is fixedly connected with three-way connectors 6, the drain valve 7 is fixedly connected below the drain pipe 5, the water inlet valve 8 is fixedly connected to the right side of the three-way joint 6, the drain valve 9 is fixedly connected to the bottom of the three-way joint 6, the ejector block 407 is pushed by the electric push rod 408 to separate the blocking 406 from the connecting bracket 403, the water inlet valve 8 is opened, the entered sewage is filtered by the filter disc 303, the sewage is discharged through the drain pipe 5 below, when the pressure in the pipe reaches a critical value as sensed by the external pressure gauge, the back flushing device is controlled to be opened by the external controller, the gap of the connecting bracket 403 is blocked by the blocking 406, the clean water entered by the drain pipe 5 enters the back flushing pipe 401 through the bottom opening of the back flushing pipe 401, the filter disc 303 is back flushed through the opening on the side surface of the back flushing pipe 401, and simultaneously the rotary motor 305 rotates to drive the filter disc 303 to rotate, so that the flushing is more comprehensive, while the flow rate of the water in the filter housing 1 is accelerated by the rotation of the filter disk 303, enhancing the cleaning effect.

When the sewage treatment device is used, the water inlet valve 8 and the water outlet valve 7 are opened, the top block 407 is pushed by the electric push rod 408, the blocking 406 is driven by the connecting rod 404 to deviate from the connecting support 403, sewage is sent into the shell 1 through the three-way joint 6, the sewage is filtered by the filter disc 303, filtered clean water is discharged through the water outlet pipe 5, when the external pressure gauge detects that the pressure in the pipe reaches a critical value, the external controller controls the back flushing device to open, the water inlet valve 8 is closed to open the blow-down valve 9, the electric push rod 408 is contracted, the blocking 406 seals the connecting support 403 again, the water outlet pipe 5 is sent into clean water, the clean water enters the inside of the back flushing pipe 401 through the opening at the bottom of the back flushing pipe 401, the filter disc 303 is backwashed through the opening at the side surface of the back flushing pipe 401, meanwhile, the driving gear 306 is driven by the rotary motor 305 to rotate, the contact area of the filter disc 303 and the water flow is enabled to be more comprehensive through the toothed ring 304 meshed with the driving gear disc 303, the water flow velocity in the filter shell 1 is accelerated, the impact force of the water flow is enhanced, the sewage is discharged through the blow-down valve 9, and the cleaning effect is improved.

To sum up: the self-cleaning disc filter solves the problems in the background art by the mutual matching of the filtering shell 1, the filtering cover 2, the filtering mechanism 3, the back flushing mechanism 4, the water draining pipe 5, the three-way joint 6, the water draining valve 7, the water inlet valve 8 and the blow-off valve 9.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A self-cleaning disc filter device comprising:

a filter housing (1) for filtering water;

the filtering cover body (2) is used for being matched with the filtering shell (1) to form a closed space, and the filtering cover body (2) is connected with the filtering shell (1) through bolts;

the filtering mechanism (3) is used for filtering sewage, and the filtering mechanism (3) is arranged in the filtering cover body (2);

the back flush mechanism (4) is used for back flushing the inside of filtering shell (1), back flush mechanism (4) set up in the inside of filtering lid (2) to cooperate with filtering mechanism (3) and use, back flush mechanism (4) are including back flush pipe (401), back flush pipe (401) quantity is four and the top is connected through fixed bolster (402), is connected through linking bridge (403) between four back flush pipes (401), the inside of fixed bolster (402) and linking bridge (403) is provided with connecting rod (404), the bottom fixedly connected with of connecting rod (404) is blocked block (405), the surface fixedly connected with of connecting rod (404) blocks (406), the top of fixed bolster (402) and the top fixedly connected with of filtering lid (2) inner wall, the top of connecting rod (404) runs through filtering lid (2) fixedly connected with kicking block (407), the bottom fixedly connected with electric putter (408) of kicking block (407), the top of fixed bolster (402) is through the bottom fixedly connected with of bracing piece (409) and filtering lid (2).

2. A self-cleaning disc filter device according to claim 1, characterized in that: the filter mechanism (3) comprises a mounting top ring (301), the mounting top ring (301) is arranged in the filter cover body (2), a mounting bottom ring (302) is arranged in the filter housing (1), a plurality of filter discs (303) penetrate through the mounting top ring (301) and the mounting bottom ring (302) through connecting strips, a toothed ring (304) is fixedly connected to the surface of the mounting top ring (301), a rotary motor (305) is fixedly connected to the top of the filter cover body (2), a driving gear (306) is fixedly connected to an output shaft at the bottom of the rotary motor (305) and penetrates through the filter cover body (2), and the driving gear (306) is meshed with the toothed ring (304).

3. A self-cleaning disc filter device according to claim 2, characterized in that: the novel sewage treatment device is characterized in that a drain pipe (5) is fixedly connected to the bottom of the filtering shell (1), a three-way joint (6) is fixedly connected to the right side of the filtering shell (1), a drain valve (7) is fixedly connected to the lower portion of the drain pipe (5), a water inlet valve (8) is fixedly connected to the right side of the three-way joint (6), and a sewage draining valve (9) is fixedly connected to the bottom of the three-way joint (6).