CN212818485U

CN212818485U - Leading filter equipment of sewage treatment

Info

Publication number: CN212818485U
Application number: CN202020685559.3U
Authority: CN
Inventors: 武立江; 刘斌; 王江红
Original assignee: Zhushui Guangdong Ecological Environment Research Institute Co Ltd
Current assignee: Zhushui Guangdong Ecological Environment Research Institute Co Ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-03-30
Anticipated expiration: 2030-04-28

Abstract

The utility model provides a pre-filtering device for sewage treatment, which comprises a filter cylinder, wherein the front end of the filter cylinder is provided with an end cover, the two sides of the bottom of the filter cylinder are respectively provided with a water inlet joint and a water outlet joint, a thick filter screen is arranged in the filter cylinder corresponding to the upper part of the water inlet joint, a thin filter screen is arranged in the filter cylinder corresponding to the upper part of the water outlet joint, a high-pressure water pump is arranged at the top of the filter cylinder above the thin filter screen, an isolating ring is arranged between the thick filter screen and the thin filter screen, a rotating shaft is arranged in the thin filter screen, a stainless steel brush is fixed at the outer side of the rotating shaft through a connecting rod, the outer side of the stainless steel brush is arranged at intervals with the inner wall of the thin filter screen, the stainless steel brush is arranged in a rectangular shape, one end of the, the filtering efficiency is high and the maintenance is easy.

Description

Leading filter equipment of sewage treatment

Technical Field

The utility model relates to a leading filter equipment of sewage treatment.

Background

The sewage treatment can be divided into primary treatment, secondary treatment and tertiary treatment according to the treatment degree. The first stage treatment mainly removes solid matter in a suspended state in sewage, and a physical method is commonly used. The BOD removal rate of the wastewater after the primary treatment is only 20 percent, the wastewater is still not suitable for discharge, and secondary treatment is also needed. The secondary treatment mainly aims at greatly removing the organic matters in colloid and dissolved state in the sewage, and the BOD removal rate is 80-90%. The sewage after secondary treatment can reach the discharge standard, and an activated sludge method and a biological film treatment method are commonly used. The purpose of the three-stage treatment is to further remove certain special pollutants, such as fluorine removal, phosphorus removal and the like, belonging to advanced treatment and common chemical methods.

Leading the filtration of sewage belongs to primary treatment, mainly is to remove the solid matter that is the suspended state in the sewage, and current filter produces impurity easily after filtering and piles up, need unpack the filter apart this moment and maintain, causes filter efficiency not high, and it is inconvenient to maintain.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a leading filter equipment of sewage treatment, be fit for the leading filtration of sewage, debris in the filtration sewage, filtration efficiency is high, easy to maintain.

The utility model is realized in such a way, a pre-filtering device for sewage treatment comprises a filter cylinder, wherein the front end of the filter cylinder is provided with an end cover, the two sides of the bottom of the filter cylinder are respectively provided with a water inlet joint and a water outlet joint, a thick filter screen is arranged in the filter cylinder corresponding to the upper part of the water inlet joint, a thin filter screen is arranged in the filter cylinder corresponding to the upper part of the water outlet joint, a high-pressure water pump is arranged at the top of the filter cylinder above the thin filter screen, the outer sides of the thick filter screen and the thin filter screen are both arranged at intervals with the inner wall of the filter cylinder, an isolating ring is arranged between the thick filter screen and the thin filter screen, a rotating shaft is arranged in the thin filter screen, a stainless steel brush is fixed at the outer side of the rotating shaft through a connecting rod, the outer side of, one end of the rotating shaft is in transmission connection with the motor through a coupler.

Preferably, the coarse filter screen and the fine filter screen are both in a cylindrical shape.

Preferably, the inner wall of the fine filter screen is welded with a baffle sheet protruding inwards.

Preferably, a disc is installed in the water inlet joint.

Preferably, the outer diameter of the disc is equal to the inner diameter of the water inlet joint.

Preferably, a movable shaft is mounted in the middle of the disc, one end of the movable shaft extends outwards through the water inlet joint, and a handle is mounted at one end of the movable shaft.

Preferably, the outer edge of the isolating ring is fixedly connected with the inner wall of the filter cylinder, and two sides of the isolating ring are respectively fixedly connected with the coarse filter screen and the fine filter screen.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: the arranged coarse filter screen and the fine filter screen can filter the sewage for two times, so that impurity particles in the sewage are effectively filtered, and the preposed filtration of the sewage is realized; the stainless steel brush can be driven to rotate by the arranged motor, so that sewage flows in the filter cartridge, the filtering efficiency of the sewage is improved, and the filtering efficiency is high; the high pressure water pump who sets up can be toward the interior injection high pressure water of cartridge filter for wash the cartridge filter, make and maintain the convenience.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a three-dimensional structure diagram of a pre-filtering device for sewage treatment provided by the embodiment of the utility model.

Fig. 2 is a section structure diagram of a fine filter screen of a pre-filtering device for sewage treatment provided by the embodiment of the utility model.

Fig. 3 is an internal structure view of a water inlet joint of a pre-filtering device for sewage treatment provided by the embodiment of the utility model.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-3, the embodiment provides a pre-filtering device for sewage treatment, which comprises a filter cartridge 1, wherein an end cap 2 is installed at the front end of the filter cartridge 1, and the end cap 2 is assembled with the filter cartridge 1 by screws, so as to facilitate the disassembly of the end cap 2. The filter cartridge is characterized in that a water inlet connector 3 and a water outlet connector 4 are respectively arranged on two sides of the bottom of the filter cartridge 1, the tops of the water inlet connector 3 and the water outlet connector 4 are communicated with the filter cartridge 1, and the joints are welded and fixed. The utility model discloses a water inlet joint, including water inlet joint 3, filter cartridge 1, water outlet joint 4, water inlet joint 3, water outlet joint, water inlet joint and water outlet joint, set up coarse filtration net 5 in the filter cartridge 1 that the top corresponds, be provided with fine filtration net 6 in the filter cartridge 1 that water outlet joint 4 top corresponds, coarse filtration net 5's aperture is greater than fine filtration 6's aperture, coarse filtration net 5 can filter the great impurity of granule.

The high pressure water pump 7 is installed at the cartridge filter 1 top of fine filter screen 6 top, and the high pressure water pump 7 can introduce the clear water and wash cartridge filter 1 inside. The 5 outsides of coarse filtration net and the 6 outsides of thin filter screen all are the interval setting with cartridge filter 1 inner wall, have the space and install fixedly with spacer ring 8, install spacer ring 8 between coarse filtration net 5 and the thin filter screen 6, spacer ring 8 adopts the metal ring, can separate cartridge filter 1 and be two filtration spaces. Install pivot 9 in the fine filter screen 6, the pivot 9 outside is fixed with stainless steel brush 11 through connecting rod 10, and pivot 9 can drive stainless steel brush 11 and rotate. The stainless steel brush 11 outside is the interval setting with the thin filter screen 6 inner wall, directly contacts with thin filter screen 6 when avoiding stainless steel brush 11 to rotate, causes thin filter screen 6 to damage. Stainless steel brush 11 is the rectangle setting, pivot 9 one end extends cartridge filter 1 rear end, pivot 9 one end is passed through shaft coupling 12 and is connected with the transmission of motor 13, and motor 13 can drive pivot 9 and rotate.

Coarse filter screen 5 and thin filter screen 6 all are the cylinder shape, shape and cartridge filter 1 adaptation for the equipment is convenient.

The inner wall of the fine filter screen 6 is welded with a baffle 14 protruding inwards, and the baffle 14 is used for easily attaching impurities, so that the fine filter screen 6 has a better filtering effect.

A disc 15 is arranged in the water inlet joint 3. The outer diameter of the disc 15 is equal to the inner diameter of the water inlet connector 3, the water inlet connector can be in a closed state by rotating the disc 15 to be in a horizontal position, and the water inlet connector 3 can be in an on state by rotating the disc 15 to incline. The middle part of the disc 15 is provided with a movable shaft 16 (a round hole is arranged at the corresponding position of the disc 15 for installing the movable shaft 16), one end of the movable shaft 16 extends outwards to extend through the water inlet joint 3, one end of the movable shaft 16 is provided with a handle 17, and the inclination angle of the disc 15 can be adjusted by rotating the handle 17. In a similar way, the water outlet joint 4 also adopts the same structure as the water inlet joint 4, and the internal connection and disconnection can be realized.

The outer edge of isolating ring 8 and 1 inner wall fixed connection of cartridge filter, 8 both sides of isolating ring respectively with coarse filtration net 5 and 6 fixed connection of thin filter screen for the position of coarse filtration net 5 and thin filter screen 6 is stable, and cartridge filter 1, coarse filtration net 5, thin filter screen 6 and isolating ring 8 all adopt stainless steel.

When the device is used, sewage is led into the filter cylinder 1 from the water inlet joint 3 and is filtered by the coarse filter screen 5, larger impurity particles are positioned at the interval between the inner wall of the filter cylinder 1 and the outer side of the coarse filter screen 5 at the moment, the primarily filtered sewage flows into the fine filter screen 6, smaller impurity particles are filtered by the fine filter screen 6 and are remained in the fine filter screen 6, and the sewage after twice filtering is discharged from the water outlet joint 4 to finish the pre-filtering of the sewage; after long-time use, dismantle lower end cover 2, adopt high pressure water pump 7 to let in the clear water in cartridge filter 1, water supply connector 3 and water connectors 4 inside all are in the closed condition this moment, and less foreign particles is followed in fine filtration net 6 and is gone into coarse filtration net 5, then gets into the interval department between cartridge filter 1 inner wall and the coarse filtration net 5 outside and great foreign particles mixes, from end cover 2 (having torn down this moment) the cartridge filter 1 of one end discharge.

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

Claims

1. The utility model provides a leading filter equipment of sewage treatment, includes cartridge filter (1), end cover (2) are installed to cartridge filter (1) front end, its characterized in that, cartridge filter (1) bottom both sides are provided with water supply connector (3) and water connectors (4) respectively, set up coarse filtration net (5) in the cartridge filter (1) that water supply connector (3) top corresponds, be provided with fine filter screen (6) in the cartridge filter (1) that water connectors (4) top corresponds, high pressure water pump (7) are installed at cartridge filter (1) top above fine filter screen (6), the coarse filtration net (5) outside and fine filter screen (6) outside all are the interval setting with cartridge filter (1) inner wall, install isolating ring (8) between coarse filtration net (5) and fine filter screen (6), install pivot (9) in fine filter screen (6), the utility model discloses a filter cartridge, including pivot (9), connecting rod (10), stainless steel brush (11) outside and fine filter screen (6) inner wall are the interval setting, stainless steel brush (11) are the rectangle setting, pivot (9) one end extends cartridge filter (1) rear end, pivot (9) one end is passed through shaft coupling (12) and is connected with motor (13) transmission.

2. A pre-filter device according to claim 1, characterised in that the coarse filter screen (5) and the fine filter screen (6) are both cylindrical in shape.

3. The advanced wastewater treatment filtration unit according to claim 1, wherein the inner wall of the fine filter screen (6) is welded with inward convex baffle plates (14).

4. A pre-filter device according to claim 1, characterised in that a disc (15) is mounted in the inlet fitting (3).

5. A pre-filter device according to claim 4, characterised in that the outer diameter of the disc (15) is equal to the inner diameter of the inlet fitting (3).

6. The advanced wastewater treatment filter unit according to claim 4, wherein a movable shaft (16) is installed in the middle of the disc (15), one end of the movable shaft (16) extends outwards through the water inlet joint (3), and one end of the movable shaft (16) is provided with a handle (17).

7. The pre-filtering device for sewage treatment according to claim 1, wherein the outer edge of the isolating ring (8) is fixedly connected with the inner wall of the filter cylinder (1), and two sides of the isolating ring (8) are respectively fixedly connected with the coarse filter screen (5) and the fine filter screen (6).