Sewage treatment device with filter screen convenient to replace

Abstract

The utility model relates to the technical field of sewage treatment, and provides a sewage treatment device convenient to replace a filter screen, which comprises a base, a treatment assembly is fixed at the top end of the base, and the treatment assembly comprises a treatment box, a treatment cavity, a sewage pipe, a cover body, a first door plate, a second door plate and a drainage pipe. The cleaning structure is arranged, the driving motor is started, the driving motor rotates to drive the connecting shaft to rotate, the connecting shaft rotates to drive the scraping plate to rotate, the scraping plate rotates to clean the surface of the filter plate, and it is avoided that filter residues are accumulated on the surface of the filter plate in the filtering process to affect the filtering efficiency; the sewage treatment device has the function of conveniently cleaning impurities on the surface of the filter plate, and the working efficiency of the sewage treatment device capable of conveniently replacing the filter screen during use is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field especially sewage treatment device of convenient filter screen replacement. BACKGROUND

[0002] With the rapid development of industrialization and urbanization, sewage discharge is increasing, which has caused serious threat to the environment and human health. In the sewage treatment process, filter screen is one of the key filtration equipment. It is mainly used for removing suspended solids, particulate matter and other impurities in sewage to improve the water quality. However, with the extension of use time, a large amount of pollutants will accumulate on the filter screen, resulting in a decrease in filtration efficiency and even blocking the filter screen. Therefore, it is necessary to design a sewage treatment device convenient for replacing filter screen.

[0003] Therefore, the patent with publication number CN213912541U discloses a sewage treatment device convenient for replacing filter screen, which comprises a case, a fixed ring fixedly installed outside the case, a support rod fixedly installed at the bottom of the fixed ring, and a support seat fixedly installed at the bottom of the support rod. A filter water tank is opened in the inside of the case, a water inlet is installed at the top of the case, the other end of the water inlet is connected with the top of the filter water tank, a water outlet is installed at the bottom of the case, and the other end of the water outlet is connected with the bottom of the filter water tank. A plate groove is opened in the side wall of the case, a filter plate is arranged in the inside of the plate groove, and a positioning device is arranged in the inside of the plate groove and matched with the filter plate. The device uses the plug-in mode to insert the filter plate into the inside of the case through the additional fixing device, drives the fixing device to operate through the process of inserting the filter plate into the case, and realizes the fixation of the filter plate through the pressing of the filter plate by the fixing plate. This mode facilitates the disassembly of the filter plate and brings great convenience to the subsequent work.

[0004] The sewage treatment device convenient for replacing filter screen in the above can facilitate the replacement of filter screen, but the filter screen will be blocked by impurities during use, affecting the filtration efficiency. Therefore, it is necessary to design a sewage treatment device convenient for replacing filter screen. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a sewage treatment device convenient for replacing filter screen to solve the defects that the filter screen of the existing sewage treatment device will be blocked by impurities during use, affecting the filtration efficiency.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a sewage treatment device convenient for replacing filter screen, which comprises a base;

[0007] The top end of the base is fixed with a treatment assembly, the treatment assembly comprises a treatment box, a treatment cavity, a sewage pipe, a cover, a first door plate, a second door plate and a drain pipe, the inside of the treatment box is provided with a treatment cavity, the top end of the treatment box is fixed with a cover, one side of the top of the treatment box is fixed with a sewage pipe, the side of the top of the treatment box away from the sewage pipe is hinged with a first door plate, the side of the bottom of the treatment box away from the sewage pipe is hinged with a second door plate, and the bottom end of the treatment box is fixed with a drain pipe.

[0008] The top of the treatment cavity is provided with a cleaning structure, the cleaning structure comprises a driving motor, a connecting shaft and a scraper, the scraper is arranged on the top of the treatment cavity, the top end of the scraper is fixed with a connecting shaft, and the driving motor is installed on the top end of the cover.

[0009] The bottom of the treatment cavity is provided with a treatment structure.

[0010] Further, the top end of the connecting shaft extends to the outside of the cover and is fixedly connected with the output end of the driving motor.

[0011] Further, the filter structure comprises a mounting plate, a connecting groove, a clamping block, a filter plate and a filter hole, the mounting plate is arranged below the scraper, connecting grooves are uniformly formed in the two sides of the inside of the mounting plate, the clamping blocks are clamped in the connecting grooves, the filter plates are fixed to the top ends of the clamping blocks, and filter holes are uniformly formed in the inside of the filter plates.

[0012] Further, the outer wall of the mounting plate is fixedly connected with the inner wall of the treatment box, the connecting grooves are equidistantly distributed in the inside of the mounting plate, and the clamping blocks are symmetrically distributed on the two sides of the mounting plate.

[0013] Further, the filter holes are equidistantly distributed in the inside of the filter plate, and the top end of the filter plate is in contact with the bottom end of the scraper.

[0014] Further, the treatment structure comprises a protection frame, a water permeable hole, a first filter layer and a second filter layer, the protection frame is arranged at the bottom of the treatment cavity, the water permeable holes are uniformly formed in the two sides of the protection frame, the first filter layer is arranged on one side of the inside of the water permeable hole, and the second filter layer is arranged on one side of the first filter layer.

[0015] Further, the protection frame is slidably connected with the treatment box, the first filter layer is a polyacrylonitrile fiber filter layer, and the second filter layer is an activated carbon layer.

[0016] The sewage treatment device provided by the utility model has the advantages that:

[0017] By setting up the cleaning structure, starting the driving motor, the driving motor rotation will drive the connecting shaft rotation, the connecting shaft rotation will drive the scraper rotation, the scraper rotation can clean the surface of the filter plate, avoid the filter residue accumulation on the surface of the filter plate when filtering affecting the filtering efficiency, realize the device has the function of convenient cleaning of the filter plate surface impurities, improve the working efficiency of the convenient filter screen replacement sewage treatment device in use;

[0018] By setting up the filtering structure, the filter hole can filter the large impurities in the sewage, and subsequent fine filtering is facilitated, the filter plate and the mounting plate are connected by the connecting groove and the clamping block, which can facilitate subsequent disassembly and replacement, so that the device has the functions of convenient filtering and convenient disassembly of the filter plate, and the convenience of the convenient filter screen replacement sewage treatment device in use is improved.

[0019] By setting up the processing structure, the first filter layer is a polyacrylonitrile fiber filter layer, which has a large specific surface area and porosity, can accommodate more suspended solids and particulate matter, thereby improving the filtering efficiency, and the second filter layer is an activated carbon layer, which is a porous carbon-containing substance with strong adsorption capacity, which can adsorb organic matter, odor, pigment and other impurities in the sewage, thereby achieving the purpose of purifying water quality, and the device has the function of convenient sewage treatment, and the convenience of the convenient filter screen replacement sewage treatment device in use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the overall three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2 It is the main view cross section structure schematic diagram of the utility model;

[0022] Figure 3 It is the Figure 2 It is the enlarged structure schematic diagram of A place in the middle;

[0023] Figure 4 It is the side view cross section structure schematic diagram of the utility model;

[0024] Figure 5 It is the main view cross section three-dimensional structure schematic diagram of the utility model;

[0025] Figure 6 It is the overhead view cross section three-dimensional structure schematic diagram of the utility model.

[0026] The reference signs in the drawings are explained as follows: 1, base; 2, processing assembly; 21, processing box; 22, processing cavity; 23, sewage pipe; 24, cover body; 25, first door plate; 26, second door plate; 27, drain pipe; 3, cleaning structure; 31, driving motor; 32, connecting shaft; 33, scraper; 4, filtering structure; 41, mounting plate; 42, connecting groove; 43, clamping block; 44, filter plate; 45, filter hole; 5, processing structure; 51, protection frame; 52, water-permeable hole; 53, first filter layer; 54, second filter layer. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments only represent some of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-6 The utility model provides a sewage treatment device convenient for replacing filter screen, including base 1.

[0029] Refer to Figure 1 , Figure 2 and Figures 4-6 , the top of base 1 is fixed with processing assembly 2, processing assembly 2 includes processing box 21, processing cavity 22, sewage pipe 23, cover body 24, first door plate 25, second door plate 26 and drain pipe 27, the inside of processing box 21 is provided with processing cavity 22, the top of processing box 21 is fixed with cover body 24, one side of the top of processing box 21 is fixed with sewage pipe 23, the side of the top of processing box 21 away from sewage pipe 23 is hinged with first door plate 25, the side of the bottom of processing box 21 away from sewage pipe 23 is hinged with second door plate 26, the bottom of processing box 21 is fixed with drain pipe 27, the top of processing cavity 22 is provided with cleaning structure 3, cleaning structure 3 includes driving motor 31, connecting shaft 32 and scraper 33, scraper 33 is arranged at the top of processing cavity 22, the top of scraper 33 is fixed with connecting shaft 32, driving motor 31 is installed at the top of cover body 24, the top of connecting shaft 32 extends to the outside of cover body 24 and is fixedly connected with the output end of driving motor 31.

[0030] Connect power supply, start driving motor 31, driving motor 31 rotates and drives connecting shaft 32 to rotate, connecting shaft 32 rotates and drives scraper 33 to rotate, scraper 33 rotates and can clean the surface of filter plate 44, so that the filter residue is prevented from accumulating on the surface of filter plate 44 and affecting the filtering efficiency.

[0031] Refer to Figures 2-4The lower portion of the scraper 33 is provided with a filtering structure 4, which comprises a mounting plate 41, connecting grooves 42, clamping blocks 43, filtering plates 44 and filtering holes 45, the mounting plate 41 is arranged below the scraper 33, the connecting grooves 42 are evenly arranged on both sides of the mounting plate 41, the clamping blocks 43 are clamped and connected in the connecting grooves 42, the filtering plates 44 are fixed on the top ends of the clamping blocks 43, the filtering holes 45 are evenly arranged in the filtering plates 44, the outer wall of the mounting plate 41 is fixedly connected with the inner wall of the treatment box 21, the connecting grooves 42 are equidistantly distributed in the mounting plate 41, the clamping blocks 43 are symmetrically distributed on both sides of the mounting plate 41, and the filtering holes 45 are equidistantly distributed in the filtering plates 44.

[0032] The filtering holes 45 can filter large impurities in the sewage, so that subsequent fine filtering is facilitated, and the filtering plates 44 and the mounting plate 41 are clamped and connected through the connecting grooves 42 and the clamping blocks 43, so that subsequent disassembly and replacement are facilitated.

[0033] With reference to Figure 2 , Figure 4 and Figure 5 , the bottom of the treatment cavity 22 is provided with a treatment structure 5, the treatment structure 5 comprises a protection frame 51, water permeable holes 52, a first filter layer 53 and a second filter layer 54, the protection frame 51 is arranged at the bottom of the treatment cavity 22, the water permeable holes 52 are evenly arranged on both sides of the protection frame 51, the first filter layer 53 is arranged on one side of the water permeable holes 52, the second filter layer 54 is arranged on one side of the first filter layer 53, and the protection frame 51 is slidably connected with the treatment box 21, the first filter layer 53 is a polyacrylonitrile fiber filter layer, and the second filter layer 54 is an activated carbon layer.

[0034] The first filter layer 53 is a polyacrylonitrile fiber filter layer, has a large specific surface area and porosity, can accommodate more suspended solids and particulate matter, and thus improves the filtering efficiency, and the second filter layer 54 is an activated carbon layer, which is a porous carbon-containing substance and has strong adsorption capacity, can adsorb organic matter, odors, pigments and other impurities in the sewage, and thus achieves the purpose of purifying water quality.

[0035] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sewage treatment device with filter screen convenient to replace, comprising a base (1); Its characterized in that: The top end of the base (1) is fixed with a treatment assembly (2), the treatment assembly (2) comprises a treatment box (21), a treatment cavity (22), a sewage pipe (23), a cover (24), a first door plate (25), a second door plate (26) and a drain pipe (27), the inside of the treatment box (21) is provided with a treatment cavity (22), the top end of the treatment box (21) is fixed with a cover (24), one side of the top of the treatment box (21) is fixed with a sewage pipe (23), the top of the treatment box (21) is hinged with a first door plate (25) away from the sewage pipe (23), the bottom of the treatment box (21) is hinged with a second door plate (26) away from the sewage pipe (23), and the bottom end of the treatment box (21) is fixed with a drain pipe (27); The top of the treatment cavity (22) is provided with a cleaning structure (3), the cleaning structure (3) comprises a driving motor (31), a connecting shaft (32) and a scraper (33), the scraper (33) is arranged on the top of the treatment cavity (22), the top end of the scraper (33) is fixed with the connecting shaft (32), and the driving motor (31) is installed at the top end of the cover (24); The bottom of the scraper (33) is provided with a filter structure (4), and the bottom of the treatment cavity (22) is provided with a treatment structure (5).

2. A sewage treatment device with a filter screen that is easy to replace according to claim 1, characterized in that: The top end of the connecting shaft (32) extends to the outside of the cover (24) and is fixedly connected with the output end of the driving motor (31).

3. The device according to claim 1, wherein: The filter structure (4) comprises a mounting plate (41), a connecting groove (42), a clamping block (43), a filter plate (44) and a filter hole (45), the mounting plate (41) is arranged below the scraper (33), connecting grooves (42) are uniformly formed in the both sides of the mounting plate (41), the clamping blocks (43) are clamped in the connecting grooves (42), the filter plates (44) are fixed to the top ends of the clamping blocks (43), and filter holes (45) are uniformly formed in the filter plates (44).

4. A sewage treatment device with a filter screen that is easy to replace according to claim 3, characterized in that: The outer wall of the mounting plate (41) is fixedly connected with the inner wall of the treatment box (21), the connecting grooves (42) are equidistantly distributed in the mounting plate (41), and the clamping blocks (43) are symmetrically distributed on the both sides of the mounting plate (41).

5. A sewage treatment device with a filter screen that is easy to replace according to claim 3, characterized in that: The filter holes (45) are equidistantly distributed in the filter plates (44), and the top end of the filter plate (44) is in contact with the bottom end of the scraper (33).

6. The easy-to-change filter screen sewage treatment device according to claim 1, characterized in that: The treatment structure (5) comprises a protection frame (51), a water permeable hole (52), a first filter layer (53) and a second filter layer (54), the protection frame (51) is arranged at the bottom of the treatment cavity (22), the water permeable holes (52) are uniformly formed in the both sides of the protection frame (51), the first filter layer (53) is arranged on one side of the water permeable hole (52), and the second filter layer (54) is arranged on one side of the first filter layer (53).

7. A sewage treatment device with a filter screen that is easy to replace according to claim 6, characterized in that: The protection frame (51) is slidably connected with the processing box (21), the first filter layer (53) is a polyacrylonitrile fiber filter layer, and the second filter layer (54) is an activated carbon layer.

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