CN220003212U

CN220003212U - Submerged micro-filter

Info

Publication number: CN220003212U
Application number: CN202320836754.5U
Authority: CN
Inventors: 颜文超
Original assignee: Yixing Chaozhong Fishery Machinery Co ltd
Current assignee: Yixing Chaozhong Fishery Machinery Co ltd
Priority date: 2023-04-15
Filing date: 2023-04-15
Publication date: 2023-11-14
Anticipated expiration: 2033-04-15

Abstract

The utility model relates to a submerged micro-filter, which aims to solve the technical problem that impurities attached to a screen are not thoroughly cleaned by rotation of the screen and back flushing of water flow, and comprises a cylinder, wherein a rotary drum type screen is rotatably arranged in the cylinder, and the submerged micro-filter further comprises a cleaning structure; the cleaning structure is arranged on the inner wall of the cylinder; the cleaning structure comprises a fixing plate, a fixing strip and a scraping strip; the two fixing plates are symmetrically and fixedly arranged on the inner wall of the cylinder; the fixing strip is arranged between the two fixing plates; the scraping strip is arranged on the inner side of the fixing strip; the scraper strip scraping side is in contact fit with the outer ring wall of the rotary drum type screen, the scraper strip is in contact with the rotary drum type screen, impurities which are firmly adhered are cleaned by the rotation of the rotary drum type screen and the contact of the scraper strip scraping side, the scraper strip can be adjusted adaptively, and the scraper strip can be extruded to be properly retracted into the movable cavity to pass through the cross beam when encountering the cross beam of the rotary drum type screen supporting screen, so that the continuous rotation of the rotary drum type screen is not influenced.

Description

Submerged micro-filter

Technical Field

The utility model relates to the technical field of micro-filters, in particular to a submerged micro-filter.

Background

The micro-filter is a purifying device which is fixed on a rotary drum type filtering device by adopting a micro-pore screen of 80-200 meshes/square inch and realizes solid-liquid separation by intercepting solid particles in a sewage body.

The submerged micro-filter is a micro-filter adopting a submerged discharge mode, the existing submerged micro-filter comprises a cylinder, a built-in rotary drum screen and a driving mechanism, the cylinder is arranged on a frame, the rotary drum screen is rotatably arranged in the cylinder, the driving mechanism drives the rotary drum screen to rotate so as to filter sewage, the filtered water is discharged from a drain outlet at the bottom of the micro-filter, and impurities are discharged from a drain outlet in a middle section area. But the rotary drum screen filters sewage for a long time, and impurities are inevitably attached to the screen, and the service life of the screen is influenced by the rotation of the screen and the incomplete back flushing cleaning of water flow.

In view of this, we propose a submerged microfilter.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide a submerged micro-filter so as to solve the technical problem that impurities attached to a screen are not thoroughly cleaned by rotation of the screen and back flushing of water flow.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: the submerged microfilter comprises a cylinder, wherein a rotary drum type screen is rotatably arranged in the cylinder, and the submerged microfilter further comprises a cleaning structure;

the cleaning structure is arranged on the inner wall of the cylinder;

the cleaning structure comprises a fixing plate, a fixing strip and a scraping strip;

the two fixing plates are symmetrically and fixedly arranged on the inner wall of the cylinder; the fixing strip is arranged between the two fixing plates; the scraping strip is arranged on the inner side of the fixing strip; wherein the scraping side of the scraping strip is in contact fit with the outer ring wall of the rotary drum type screen.

Preferably, the scraping strip connecting side is slidably arranged in a movable cavity formed in the inner side of the fixed strip, at least two connecting rods are symmetrically and fixedly arranged on the scraping strip connecting side, the connecting rods penetrate through the outer side of the fixed strip, a limiting block is fixedly arranged at the outer end of each connecting rod, and a spring is sleeved on each connecting rod between each limiting block and the outer side of the fixed strip; wherein the scraping side of the scraping strip is positioned outside the movable cavity.

Preferably, the middle section of the scraping side of the scraping strip is provided with an arc-shaped surface A; wherein, arced face A with rotary drum formula screen cloth outer lane wall radian is unanimous.

Preferably, two ends of the scraping side of the scraping strip are respectively provided with an arc-shaped surface B; the radian of the arc-shaped surface B is larger than that of the arc-shaped surface A.

Preferably, the arc-shaped surface A is in seamless connection with the two arc-shaped surfaces B.

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

1. the utility model has the advantages that the rotating drum type screen is contacted by the scraping strip, and the impurities firmly adhered to the scraping side of the scraping strip are cleaned by the rotation of the drum type screen, so that the problem that the impurities adhered to the screen are not thoroughly cleaned by the rotation of the screen and the back flushing of water flow is solved.

2. The utility model has the advantages that the scraping bar can be adaptively adjusted by arranging the connecting rod, the limiting block, the spring and the movable cavity, and the scraping bar can be extruded to be properly retracted into the movable cavity to pass through the cross beam frame when encountering the cross beam frame of the rotary drum type screen supporting screen, so that the continuous rotation of the rotary drum type screen is not influenced.

3. The arc-shaped surface A is arranged, so that the arc-shaped surface A is in contact with the outer ring wall of the rotary drum type screen, impurities attached to the outer ring wall of the rotary drum type screen can be thoroughly cleaned, and the cleaning effect is better.

4. The utility model has the advantages that the arc-shaped surface B is arranged, so that the resistance is reduced when the beam frame contacted with the rotary drum type screen supporting screen is extruded, and the scraping strip is extruded smoothly.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a cleaning structure according to the present utility model;

FIG. 3 is a schematic exploded view, partially in section, of a cleaning structure of the present utility model;

FIG. 4 is an enlarged schematic view of FIG. 3A in accordance with the present utility model;

in the figure: 1. a cylinder; 2. a rotary drum screen; 3. cleaning the structure;

301. a fixing plate; 302. a fixing strip; 303. scraping the strip; 304. a connecting rod; 305. a spring; 306. a limiting block;

3021. a movable cavity;

3031. an arc-shaped surface A; 3032. arc surface B.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

example 1: a submerged microfilter, see fig. 1 to 4, comprising a cylinder 1, a rotary drum type screen 2 arranged in the cylinder 1 in a rotary way, and a cleaning structure 3; the cleaning structure 3 is arranged on the inner wall of the cylinder 1; the cleaning structure 3 comprises a fixing plate 301, a fixing strip 302 and a scraping strip 303; the two fixing plates 301 are symmetrically fixed on the inner wall of the cylinder 1; the fixing bar 302 is arranged between the two fixing plates 301; the scraping strip 303 is arranged on the inner side of the fixing strip 302; wherein the scraping side of the scraping strip 303 is in contact engagement with the outer circumferential wall of the rotary drum type screen 2. The utility model has the advantages that the rotating drum type screen 2 is contacted by the scraping strip 303 through the fixed plate 301, the fixed strip 302 and the scraping strip 303, and impurities firmly adhered to the screen are cleaned by utilizing the rotation of the rotating drum type screen 2 and the contact of the scraping side of the scraping strip 303, so that the problem that the impurities adhered to the screen are cleaned thoroughly by the rotation of the screen and the back flushing of water flow is solved.

Specifically, the connection side of the scraping strip 303 is slidably arranged in a movable cavity 3021 formed in the inner side of the fixed strip 302, two connecting rods 304 are symmetrically and fixedly arranged on the connection side of the scraping strip 303, the connecting rods 304 penetrate through the outer side of the fixed strip 302, limiting blocks 306 are fixedly arranged at the outer ends of the connecting rods 304, springs 305 are sleeved on the connecting rods 304 between the limiting blocks 306 and the outer side of the fixed strip 302, two ends of each spring 305 are fixedly connected with the limiting blocks 306 and the outer side of the fixed strip 302 respectively, and the elastic coefficient of each spring 305 is selected and used by a person skilled in the art according to actual conditions; wherein the scraping side of the scraping strip 303 is located outside the active cavity 3021. The utility model has the advantages that the scraping strip 303 can be adaptively adjusted by arranging the connecting rod 304, the limiting block 306, the spring 305 and the movable cavity 3021, and the scraping strip can be extruded to be properly retracted into the movable cavity 3021 to pass through the cross beam frame when encountering the cross beam frame of the rotary drum type screen 2 supporting screen, so that the continuous rotation of the rotary drum type screen 2 is not influenced.

Further, the scraping side intermediate section of the scraping strip 303 is set to be an arc surface a3031; wherein, arced face A3031 is consistent with rotary drum formula screen cloth 2 outer lane wall radian. The arc-shaped surface A3031 is arranged, so that the arc-shaped surface A3031 is in contact with the outer ring wall of the rotary drum type screen 2, and can more thoroughly clean impurities attached to the outer ring wall of the rotary drum type screen 2, so that the cleaning effect is better.

Still further, both ends of the scraping side of the scraping strip 303 are respectively set to arc-shaped surfaces B3032; the radian of the arc-shaped surface B3032 is larger than that of the arc-shaped surface A3031. The present utility model has an advantage that the arc surface B3032 is provided to reduce resistance when the cross frame contacting the drum type screen 2 supporting the screen is pressed, so that the wiper strip 303 is smoothly pressed.

It should be noted that the arcuate surfaces a3031 are in seamless engagement with the arcuate surfaces B3032 so that the scraping side of the scraper bar 303 can smoothly contact the outer peripheral wall of the rotating drum screen 2.

Working principle: with the device of the utility model, sewage is introduced from the water inlet of the submerged micro-filter, the driving mechanism of the submerged micro-filter drives the rotary drum type screen 2 to rotate to filter the sewage, the filtered water is discharged from the water outlet at the bottom of the submerged micro-filter, and impurities are discharged from the impurity outlet in the middle section area of the submerged micro-filter. In the process of rotating the rotary drum type screen 2, the scraping side of the scraping strip 303 contacts the outer wall of the rotary drum type screen 2, the arc-shaped surface A3031 scrapes the outer wall of the rotary drum type screen 2, when the arc-shaped surface A3032 contacts the transverse beam frame of the rotary drum type screen 2 for supporting the screen, resistance is reduced when the transverse beam frame of the rotary drum type screen 2 is extruded, the scraping strip 303 is extruded smoothly, the scraping strip 303 is properly retracted into the movable cavity 3021, the connecting rod 304 drives the limiting block 306 to move outwards, the spring 305 is stretched, the scraping side of the scraping strip 303 passes through the transverse beam frame after waiting, under the elastic force of the spring 305, the scraping strip 303 properly stretches out of the movable cavity 3021, the arc-shaped surface A3031 continuously contacts the outer wall of the rotary drum type screen 2, and the rotary drum type screen 2 is not influenced, so that the outer wall of the rotary drum type screen 2 is cleaned in real time.

The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.

Claims

1. The utility model provides a submerged microfilter, includes the drum, the drum internal rotation is equipped with rotary drum type screen cloth, its characterized in that still includes:

a cleaning structure arranged on the inner wall of the cylinder;

the cleaning structure comprises:

the two fixing plates are symmetrically and fixedly arranged on the inner wall of the cylinder;

a fixing strip arranged between the two fixing plates;

a scraping strip arranged on the inner side of the fixing strip;

wherein the scraping side of the scraping strip is in contact fit with the outer ring wall of the rotary drum type screen.

2. The submerged microfilter according to claim 1, wherein the connecting side of the scraping strip is arranged in a movable cavity formed in the inner side of the fixed strip in a sliding manner, at least two connecting rods are symmetrically and fixedly arranged on the connecting side of the scraping strip, the connecting rods penetrate through the outer side of the fixed strip, a limiting block is fixedly arranged at the outer end of each connecting rod, and a spring is sleeved on each connecting rod between each limiting block and the outer side of the fixed strip;

wherein the scraping side of the scraping strip is positioned outside the movable cavity.

3. The submerged microfilter of claim 1, wherein the middle section of the scraping side of the scraping strip is provided with an arc-shaped surface a;

wherein, arced face A with rotary drum formula screen cloth outer lane wall radian is unanimous.

4. A submersible micro-filter as recited in claim 3, wherein both ends of the scraping side of the scraping strip are respectively provided with an arc-shaped surface B;

the radian of the arc-shaped surface B is larger than that of the arc-shaped surface A.

5. The submerged microfilter of claim 4, wherein said arced face a is in seamless engagement with two of said arced faces B.