CN211752851U

CN211752851U - Filter

Info

Publication number: CN211752851U
Application number: CN202020082422.9U
Authority: CN
Inventors: 龚典局; 朱官强; 缪锡飞; 杨钧潮
Original assignee: Shaoxing Jiuxin Environmental Protection Co ltd
Current assignee: Shaoxing Jiuxin Environmental Protection Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-10-27
Anticipated expiration: 2030-01-15

Abstract

The utility model discloses a filter, including one end open-ended cylinder casing, the opening side of casing is provided with the locating plate, the pivot is worn to be equipped with in the casing center, be fixed with one end open-ended cylinder rotary drum in the pivot, the opening direction of casing is unanimous with the opening direction of rotary drum, separate into two at least filter chambers by the baffle on the rotary drum, the filter chamber bottom is provided with the filter screen, the sealed lid of locating plate is established on the opening of filter chamber, be provided with liquid inlet on the locating plate, be provided with the filtrating export on the housing face of aiming at with the locating plate, still be provided with a plurality of washing liquid imports on the housing face, be provided. The filter can clean the filter screen while filtering, the filter is disassembled to be cleaned without stopping filtering, the filtering efficiency is effectively improved, and the filter is simple in structure and convenient to install.

Description

Filter

Technical Field

The utility model belongs to the technical field of the filter, specifically a filter.

Background

In the transport of liquid media, filters are necessary to separate the liquid from the foreign particles. And in the filter use, liquid flows through the filter screen in-process, can be continuous pile up impurity on the filter screen, leads to the flow efficiency of filter screen to descend gradually, and traditional filter need stop filtering when flow efficiency reduces, unpacks apart the filter and clears up the filter screen, consequently to the more liquid of impurity, the frequency that the filter was unpacked apart is very high, seriously influences filtration efficiency.

Disclosure of Invention

The utility model discloses not enough to prior art, provide a filter, this kind of filter can wash the filter screen when carrying out filteration, need not to stop filtering and unpack the filter apart and wash, effectively improves filtration efficiency to simple structure, simple to operate.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve: a filter comprises a cylindrical shell with an opening at one end, wherein a positioning plate is arranged at the opening side of the shell, a rotating shaft is arranged in the center of the shell in a penetrating mode, a cylindrical rotating drum with an opening at one end and an opening direction of the rotating drum are fixed on the rotating shaft, at least two filter chambers are separated from the rotating drum by a partition plate, a filter screen is arranged at the bottom of each filter chamber, a sealing cover of the positioning plate is arranged on the opening of each filter chamber, a liquid inlet is formed in the positioning plate, a filtrate outlet is formed in the end face of the shell, which is aligned with the positioning plate, a plurality of cleaning liquid inlets are further formed in the end face of the shell, and a motor for driving the rotating shaft. This kind of filter rotates through motor intermittent type's control rotary drum when using, liquid inlet gets into liquid all the time, after the filter screen, stay the filter residue in the filter chamber, the filtrating export goes out liquid all the time, after filtering a period, the motor rotates and drives the rotary drum and rotate, another filter chamber aims at liquid inlet and filtrating export, the filter chamber that has the filter residue before rotates to aim at with the washing liquid import, washing liquid import feed liquor washes out the filter residue from locating plate and casing open-ended clearance, this kind of filter can wash the filter screen when carrying out filterable, need not to stop filtering and unpack the filter apart and wash, effectively improve filtration efficiency, and simple structure, and convenient to operate.

In the above technical scheme, preferably, the rotary drum is uniformly divided into four filter chambers by partition plates, and the end face of the housing is provided with a filtrate outlet and three cleaning solution inlets.

In the above technical scheme, preferably, a first sealing ring is arranged between the rotating shaft and the end face of the housing, and a second sealing ring is arranged between the rotating shaft and the end face of the positioning plate. The structure is used for improving the sealing performance between the rotating shaft and the end face of the shell and between the rotating shaft and the end face of the positioning plate, and preventing liquid leakage at the position.

In the above technical solution, preferably, a first annular groove is provided on the inner wall of the housing and/or the outer wall of the rotating cylinder, and a third seal ring is provided in the first annular groove. Adopt this structure to be used for improving the leakproofness between casing and the rotary drum to can make casing and rotary drum location more accurate, prevent axial relative slip.

In the above technical solution, preferably, a second annular groove matched with the filter cavity is provided on the end surface of the housing and on one side of the positioning plate close to the rotary drum, and a fourth sealing ring is provided in the second annular groove. The structure is adopted to prevent the liquid in the filter cavity from flowing out of the gap between the shell and the rotary drum.

In the above technical scheme, preferably, the positioning plate is detachably connected with the housing through a screw. The adoption of the structure facilitates the disassembly and assembly of the filter.

Compared with the prior art, the utility model, following beneficial effect has: this kind of filter rotates through motor intermittent type's control rotary drum when using, liquid inlet gets into liquid all the time, after the filter screen, stay the filter residue in the filter chamber, the filtrating export goes out liquid all the time, after filtering a period, the motor rotates and drives the rotary drum and rotate, another filter chamber aims at liquid inlet and filtrating export, the filter chamber that has the filter residue before rotates to aim at with the washing liquid import, washing liquid import feed liquor washes out the filter residue from locating plate and casing open-ended clearance, this kind of filter can wash the filter screen when carrying out filterable, need not to stop filtering and unpack the filter apart and wash, effectively improve filtration efficiency, and simple structure, and convenient to operate.

Drawings

Fig. 1 is a schematic structural diagram of a housing in an embodiment of the present invention.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Fig. 3 is a radial cross-sectional view of an embodiment of the present invention.

Fig. 4 is an axial cross-sectional view of an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a fourth sealing ring in the embodiment of the present invention.

Detailed Description

The invention will be described in further detail with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 5, a filter comprises a cylindrical housing 1 with an opening at one end, a screw hole is arranged at the opening side of the housing 1, a through hole is arranged on a positioning plate 2, the positioning plate 2 is detachably connected with the housing 1 through a screw, a rotating shaft 3 is arranged at the center of the housing 1 in a penetrating way, a cylindrical rotating drum 4 with an opening at one end is fixed on the rotating shaft 3, the opening direction of the housing 1 is consistent with the opening direction of the rotating drum 4, the rotating drum 4 is uniformly divided into four filter cavities 41 with sector ring-shaped cross sections by partition plates, a filter screen 42 is arranged at the bottom of each filter cavity 41, the positioning plate 2 is sealed and arranged at the openings of the filter, a filtrate outlet 11 is arranged on the end surface of the shell 1 aligned with the positioning plate 2, three cleaning liquid inlets 12 aligned with the filter cavities 41 one by one are also arranged on the end surface of the shell 1, and a motor 5 for driving the rotating shaft 3 is arranged on the end surface of the shell 1.

In order to improve the sealing performance between the rotating shaft 3 and the end surfaces of the housing 1 and the positioning plate 2, a first sealing ring 61 is arranged between the rotating shaft 3 and the end surface of the housing 1, and a second sealing ring 62 is arranged between the rotating shaft 3 and the end surface of the positioning plate 2.

In order to improve the sealing performance between the shell 1 and the rotary drum 4 and prevent the shell 1 and the rotary drum 4 from sliding relatively in the axial direction, a first annular groove 7 is arranged on the inner wall of the shell 1 and the outer wall of the rotary drum 4, and a third sealing ring 8 is arranged in the first annular groove 7.

In order to prevent the liquid in the filter chamber 41 from flowing out of the gap between the housing 1 and the drum 4, the end surface of the housing 1 and the side of the positioning plate 2 close to the drum 4 are provided with a second annular groove 9 matched with the filter chamber 41, and a fourth sealing ring 10 is arranged in the second annular groove 9.

This kind of filter rotates through motor 5 intermittent type's control rotary drum 4 when using, liquid inlet 21 gets into liquid all the time, after filter screen 42, stay the filter residue in filter chamber 41, filtrate export 11 goes out liquid all the time, after filtering a period, motor 5 rotates and drives rotary drum 4 and rotate 90, another filter chamber 41 aims at liquid inlet 21 and filtrate export 11, filter chamber 41 that has the filter residue before rotates to aim at with washing liquid import 12, washing liquid import 12 feed liquor washes out the filter residue from locating plate 2 and the open-ended clearance of casing 1, this kind of filter can wash filter screen 42 when carrying out filterable, it washs to unpack the filter apart to need not to stop filtering, effectively improves filtration efficiency, and simple structure, and convenient installation.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A filter, characterized by: comprises a cylindrical shell (1) with an opening at one end, a positioning plate (2) is arranged on the opening side of the shell (1), a rotating shaft (3) penetrates through the center of the shell (1), a cylindrical rotating drum (4) with an opening at one end is fixed on the rotating shaft (3), the opening direction of the shell (1) is consistent with the opening direction of the rotary drum (4), the rotary drum (4) is divided into at least two filter chambers (41) by a clapboard, a filter screen (42) is arranged at the bottom of the filter cavity (41), the positioning plate (2) is sealed and arranged on the opening of the filter cavity (41), the positioning plate (2) is provided with a liquid inlet (21), a filtrate outlet (11) is arranged on the end surface of the shell (1) aligned with the positioning plate (2), the end surface of the shell (1) is also provided with a plurality of cleaning fluid inlets (12), and a motor (5) for driving the rotating shaft (3) is arranged on the end surface of the shell (1).

2. A filter as defined in claim 1, wherein: the rotary drum (4) is uniformly divided into four filter cavities (41) by partition plates, and the end face of the shell (1) is provided with a filtrate outlet (11) and three cleaning solution inlets (12).

3. A filter as defined in claim 1, wherein: the sealing device is characterized in that a first sealing ring (61) is arranged between the rotating shaft (3) and the end face of the shell (1), and a second sealing ring (62) is arranged between the rotating shaft (3) and the end face of the positioning plate (2).

4. A filter as defined in claim 1, wherein: a first annular groove (7) is formed in the inner wall of the shell (1) and/or the outer wall of the rotary drum (4), and a third sealing ring (8) is arranged in the first annular groove (7).

5. A filter as defined in claim 1, wherein: a second annular groove (9) matched with the filter cavity (41) is formed in the end face of the shell (1) and one side, close to the rotary drum (4), of the positioning plate (2), and a fourth sealing ring (10) is arranged in the second annular groove (9).

6. A filter as defined in claim 1, wherein: the positioning plate (2) is detachably connected with the shell (1) through a screw.