WO2020000212A1

WO2020000212A1 - Filter screen for sewage treatment device

Info

Publication number: WO2020000212A1
Application number: PCT/CN2018/092941
Authority: WO
Inventors: 徐渊
Original assignee: 江苏宏大环保科技有限公司
Priority date: 2018-06-26
Filing date: 2018-06-26
Publication date: 2020-01-02

Abstract

A filter screen for a sewage treatment device, comprising a screen frame (1); two sides of the screen frame (1) are welded with fixing sheets (2), threaded holes (3) being provided on the fixing sheets (2); the front surface of the screen frame (1) is provided with a stainless steel filter screen (9), a pressing strip (8) being provided on the front side of the stainless steel filter screen (9), the pressing strip (8) and the stainless steel filter screen (9) being mounted, by means of fastening bolts (4), on the front side of the screen frame (1), filter holes (16) being provided on the stainless steel filter screen (9), saw teeth (15) being provided in the filter holes (16); the upper side of the screen frame (1) is provided with a bracket (7), electric telescopic rods (5) on the lower side of the bracket (7) being connected to a fixing bracket (10), a cleaning roller (6) being mounted inside the fixing bracket (10); and the rear surface of the screen frame (1) is mounted with a transverse baffle plate (14) and a vertical baffle plate (13), and the rear surface of the screen frame (1) is provided with a transparent protective cover (11) and an ultraviolet germicidal lamp (12).

Description

Filter screen for sewage treatment device

Technical field

The utility model relates to the field of filter screens, in particular to a filter screen for a sewage treatment device.

Background technique

The filter screen is an important part of the sewage treatment device. The existing filter screen cannot filter filamentous impurities. When filtering, the large water impact easily damages the filter screen. The installation stability of the filter screen and the frame is not enough, and the filter screen Blockages often occur.

Utility model content

The purpose of the utility model is to provide a filter screen for a sewage treatment device, so as to solve the problems that the filter screen is clogged in the prior art, the stability is insufficient, and the large water flow impact easily damages the filter screen and cannot filter filamentous impurities.

In order to achieve the above object, the present utility model provides the following technical solution: a filter screen for a sewage treatment device includes a screen frame, two sides of the screen frame are welded with fixing pieces, and the fixing piece is provided with threaded holes, and the mesh frame The front surface is provided with a stainless steel filter screen, and a bead is provided on the front side of the stainless steel filter screen. The bead and the stainless steel filter screen are installed on the front side of the screen frame by fastening bolts. The stainless steel filter screen is provided with filter holes, and the filter is provided. Sawtooth is provided in the hole, a bracket is provided on the upper side of the net frame, and a lower side of the bracket is connected with a fixed telescopic rod, a cleaning roller is installed inside the fixed frame, and a crossbar is installed on the rear surface of the net frame. A plate and a vertical baffle, the rear surface of the net frame is provided with a transparent protective cover and an ultraviolet germicidal lamp.

Preferably, the rung plate and the vertical baffle plate are vertically arranged together.

Preferably, the bead is a rubber bead.

Preferably, the saw teeth are uniformly arranged around the filtering hole.

Preferably, the ultraviolet germicidal lamp is located inside a transparent protective cover.

Preferably, the cleaning roller is rotatably installed inside the fixed frame.

Compared with the prior art, the utility model has the beneficial effects that: the utility model is arranged vertically and horizontally together through the crosspiece plate and the vertical baffle plate, and can well withstand the impact force of the water flow on the stainless steel filter screen, and avoids the stainless steel filter The damage of the mesh improves the stability of the stainless steel filter by the beading of the rubber bead. The sawtooth is evenly arranged around the filter hole, which can well filter the filamentous impurities. The ultraviolet sterilization lamp is located inside the transparent protective cover, which can The sewage is well sterilized and sterilized, and the cleaning roller is rotated and installed inside the fixed frame, which can effectively prevent the stainless steel filter from being blocked.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a side view of the present invention.

FIG. 3 is a partially enlarged view of part A of the present invention.

In the picture: 1-net frame, 2-fixing piece, 3-threaded hole, 4-fastening bolt, 5-electric telescopic rod, 6-cleaning roller, 7-bracket, 8-bead, 9-stainless steel filter, 10 -Fixed frame, 11-transparent protective cover, 12-ultraviolet germicidal lamp, 13-vertical baffle, 14-runner plate, 15-sawtooth, 16-filter hole.

detailed description

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of them. example. Based on the embodiments of the present invention, all other embodiments obtained by a person having ordinary skill in the art without making creative work belong to the protection scope of the present invention.

Please refer to FIGS. 1 to 3. In an embodiment of the present invention, a filter for a sewage treatment device includes a net frame 1, and a fixing piece 2 is welded on both sides of the net frame 1, and a threaded hole 3 is provided on the fixing piece 2. The front surface of the frame 1 is provided with a stainless steel filter 9 and a bead 8 is provided on the front side of the stainless steel filter 9. The bead 8 and the stainless steel filter 9 are installed on the front side of the frame 1 by fastening bolts 4 and a filter is provided on the stainless steel filter 9 Holes 16, filter teeth 16 are provided with saw teeth 15, a bracket 7 is provided on the upper side of the mesh frame 1, and a lower side of the bracket 7 is connected to the fixing frame 10 through an electric telescopic rod 5. The cleaning frame 6 is installed inside the fixing frame 10, and the mesh frame 1 The rear surface is provided with a rung plate 14 and a vertical baffle plate 13. The rear surface of the screen frame 1 is provided with a transparent protective cover 11 and an ultraviolet sterilization lamp 12. When in use, the screen frame 1 is fixed to the corresponding through the screw holes 3 on the fixing sheet 2. Position, the stainless steel filter 9 is provided with saw teeth 15 in the filter hole 16, which can well realize the filtering of filamentous impurities, the rung plate 14 and the vertical baffle plate 13 can withstand the impact of water flow on the stainless steel filter 9 Pressure to avoid damage to the stainless steel filter 9 and UV kill The bacteria 12 can have the effect of sterilizing and sterilizing the sewage. When the stainless steel filter 9 is blocked, the electric telescopic rod 5 drives the cleaning roller 6 to perform cleaning. The crosspiece plate 14 and the vertical baffle plate 13 are vertically intersected together. Reference numeral 8 is a rubber bead, saw teeth 15 are evenly arranged around the filtering hole 16, an ultraviolet sterilization lamp 12 is located inside the transparent protective cover 11, and the cleaning roller 6 is rotatably installed inside the fixing frame 10.

The working principle of the utility model is: when in use, the mesh frame 1 is fixed at the corresponding position through the threaded holes 3 on the fixing sheet 2, and the saw holes 15 are set in the filter hole 16 of the stainless steel filter 9, which can well realize the alignment. The filamentous impurities are filtered. The rung plate 14 and the vertical baffle plate 13 can well withstand the pressure of the stainless steel filter 9 by the impact of water flow, so as to prevent the stainless steel filter 9 from being damaged. The ultraviolet sterilization 12 can play a role in sterilizing and disinfecting sewage Effectively, when the stainless steel filter 9 is blocked, the electric telescopic rod 5 drives the cleaning roller 6 to perform cleaning.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and the present invention can be realized in other specific forms without departing from the spirit or basic features of the present invention. Therefore, the embodiments are to be regarded as exemplary and non-limiting in every respect. The scope of the present invention is defined by the appended claims rather than the above description, and is therefore intended to fall within the scope of the rights. All changes within the meaning and scope of the required equivalent requirements are encompassed within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

A filter screen for a sewage treatment device includes a screen frame (1), characterized in that: two sides of the screen frame (1) are welded with fixing pieces (2), and the fixing pieces (2) are provided with threaded holes ( 3), a stainless steel filter (9) is provided on the front surface of the screen frame (1), and a bead (8) is provided on the front side of the stainless steel filter (9), the bead (8) and the stainless steel filter (9) ) Is installed on the front side of the screen frame (1) by fastening bolts (4), the stainless steel filter screen (9) is provided with filter holes (16), and the filter holes (16) are provided with saw teeth (15), A bracket (7) is provided on the upper side of the net frame (1), and a lower side of the bracket (7) is connected to a fixing frame (10) through an electric telescopic rod (5), and cleaning is installed inside the fixing frame (10) Roller (6), the rear surface of the screen frame (1) is installed with a rung plate (14) and a vertical baffle (13), and the rear surface of the screen frame (1) is provided with a transparent protective cover (11) and ultraviolet sterilization Lamp (12).
The filter screen for a sewage treatment device according to claim 1, characterized in that the rung plate (14) and the vertical baffle plate (13) are vertically intersected together.
The filter screen for a sewage treatment device according to claim 1, wherein the bead (8) is a rubber bead.
The filter screen for a sewage treatment device according to claim 1, wherein the saw teeth (15) are uniformly arranged around the filter hole (16).
The filter for a sewage treatment device according to claim 1, wherein the ultraviolet sterilization (12) lamp is located inside the transparent protective cover (11).
The filter screen for a sewage treatment device according to claim 1, wherein the cleaning roller (6) is rotatably installed inside the fixed frame (10).